Adjustable artificial branch and injection mold

Abstract

An adjustable artificial branch is provided, including a trunk and a plurality of leaves which are inserted into the trunk, where the leaf includes a twig and a vane connected on the twig; one end of the twig is injection-molded on the trunk; and an angle adjustment mechanism and a height adjustment mechanism for twig position adjustment are arranged on a connection position of the twig and the trunk. After the leaves are inserted into the trunk, positions and angles of the leaves can be adjusted according to a density of the leaves and a gap condition among the leaves. The leaves not only can be adjusted through auto-rotation, but also all leaves on a same skin layer can be rotated through the angle adjustment mechanism. In addition, height of the leaves on the same outer skin layer can be further adjusted through the height adjustment mechanism.

What is claimed is: 
     
         1 . An adjustable artificial branch, comprising a trunk and a plurality of leaves, wherein the plurality of leaves are inserted into the trunk, wherein the leaf comprises a twig and a vane connected on the twig; an end of the twig is injection-molded on the trunk; and an angle adjustment mechanism and a height adjustment mechanism for a twig position adjustment are arranged on a connection position of the twig and the trunk. 
     
     
         2 . The adjustable artificial branch according to  claim 1 , wherein the trunk comprises a metal core and a plurality of skin layers wrapped on an outer wall of the metal core, the angle adjustment mechanism comprises a sleeve, wherein the sleeve is rotatably mounted on the skin layer, and a positioning assembly for locking the twig at a needed rotation angle is arranged on the sleeve. 
     
     
         3 . The adjustable artificial branch according to  claim 2 , wherein a mounting hole is provided on the skin layer, the positioning assembly comprises a spring, wherein the spring is connected on the outer wall of the metal core and is positioned inside the mounting hole, and an end of the spring is connected to a limiting ball. 
     
     
         4 . The adjustable artificial branch according to  claim 3 , wherein a plurality of through holes are provided at an upper end and a lower end of a side wall of the sleeve at an annular equal spacing, and an end of the limiting ball passes through the mounting hole and is clamped into one through hole. 
     
     
         5 . The adjustable artificial branch according to  claim 4 , wherein an annular limiting slot is provided on an inner wall of the sleeve, a limiting ring is mounted on an outer wall of the skin layer, and the limiting ring is slidably mounted inside the annular limiting slot. 
     
     
         6 . The adjustable artificial branch according to  claim 5 , wherein the twig comprises a convex base, wherein the convex base is disposed in an inclined manner, a V-shaped insertion base is rotatably mounted on a first end part of the convex base, a first circular ring is mounted on an inner wall of the first end part of the convex base, a second circular ring is mounted on a bottom of the V-shaped insertion base, and the second circular ring is rotatably mounted inside the first circular ring. 
     
     
         7 . The adjustable artificial branch according to  claim 6 , wherein the height adjustment mechanism comprises a C-shaped bar fastened on an outer wall of the sleeve, and a connecting plate mounted on a second end part of the convex base, wherein first positioning blocks are vertically arranged on an inner wall of the C-shaped bar at equal spacings. 
     
     
         8 . The adjustable artificial branch according to  claim 7 , wherein fastening blocks are mounted on two sides of the connecting plate, a second positioning block is mounted on the fastening block, and the second positioning block is clamped between two adjacent first positioning blocks. 
     
     
         9 . The adjustable artificial branch according to  claim 8 , wherein both the first positioning block and the second positioning block are hemispheric positioning blocks, and both the first positioning block and the second positioning block are silicone rubber blocks, wherein the silicone rubber blocks are allowed for deforming. 
     
     
         10 . An injection mold for an adjustable artificial branch, wherein the injection mold is configured for injection-molding the adjustable artificial branch according to  claim 1 , comprising a trunk mold for injection-molding a skin layer of the trunk, and a leaf mold for injection-molding the plurality of leaves, wherein a mold cavity is arranged inside the leaf mold, wherein the mold cavity fits a convex base and a V-shaped insertion base in the twig, and a vane shape. 
     
     
         11 . The injection mold according to  claim 10 , wherein in the adjustable artificial branch, the trunk comprises a metal core and a plurality of skin layers wrapped on an outer wall of the metal core, the angle adjustment mechanism comprises a sleeve, wherein the sleeve is rotatably mounted on the skin layer, and a positioning assembly for locking the twig at a needed rotation angle is arranged on the sleeve. 
     
     
         12 . The injection mold according to  claim 11 , wherein in the adjustable artificial branch, a mounting hole is provided on the skin layer, the positioning assembly comprises a spring, wherein the spring is connected on the outer wall of the metal core and is positioned inside the mounting hole, and an end of the spring is connected to a limiting ball. 
     
     
         13 . The injection mold according to  claim 12 , wherein in the adjustable artificial branch, a plurality of through holes are provided at an upper end and a lower end of a side wall of the sleeve at an annular equal spacing, and an end of the limiting ball passes through the mounting hole and is clamped into one through hole. 
     
     
         14 . The injection mold according to  claim 13 , wherein in the adjustable artificial branch, an annular limiting slot is provided on an inner wall of the sleeve, a limiting ring is mounted on an outer wall of the skin layer, and the limiting ring is slidably mounted inside the annular limiting slot. 
     
     
         15 . The injection mold according to  claim 14 , wherein in the adjustable artificial branch, the twig comprises the convex base, wherein the convex base is disposed in an inclined manner, the V-shaped insertion base is rotatably mounted on a first end part of the convex base, a first circular ring is mounted on an inner wall of the first end part of the convex base, a second circular ring is mounted on a bottom of the V-shaped insertion base, and the second circular ring is rotatably mounted inside the first circular ring. 
     
     
         16 . The injection mold according to  claim 15 , wherein in the adjustable artificial branch, the height adjustment mechanism comprises a C-shaped bar fastened on an outer wall of the sleeve, and a connecting plate mounted on a second end part of the convex base, wherein first positioning blocks are vertically arranged on an inner wall of the C-shaped bar at equal spacings. 
     
     
         17 . The injection mold according to  claim 16 , wherein in the adjustable artificial branch, fastening blocks are mounted on two sides of the connecting plate, a second positioning block is mounted on the fastening block, and the second positioning block is clamped between two adjacent first positioning blocks. 
     
     
         18 . The injection mold according to  claim 17 , wherein in the adjustable artificial branch, both the first positioning block and the second positioning block are hemispheric positioning blocks, and both the first positioning block and the second positioning block are silicone rubber blocks, wherein the silicone rubber blocks are allowed for deforming.