CN204149138U - For the assembly type assist handle injection structure of electric tool - Google Patents
For the assembly type assist handle injection structure of electric tool Download PDFInfo
- Publication number
- CN204149138U CN204149138U CN201420406267.6U CN201420406267U CN204149138U CN 204149138 U CN204149138 U CN 204149138U CN 201420406267 U CN201420406267 U CN 201420406267U CN 204149138 U CN204149138 U CN 204149138U
- Authority
- CN
- China
- Prior art keywords
- bolt
- gusset
- endoporus
- injection
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
For the assembly type assist handle injection structure of electric tool, comprise ebonite handle and the bolt of band endoporus, it is characterized in that: the diameter of endoporus is greater than the maximum outside diameter of bolt, and the lower end of endoporus is provided with gusset, the internal diameter of gusset and the major diameter of thread of bolt are interference fit; Ebonite handle after injection mo(u)lding first carries out water treatment, on forcing press, then by frock, bolt is pressed into the endoporus of ebonite handle, and bolt head is embedded in the middle of gusset, and gusset hold-down bolt makes it fix; Because the location eliminating bolt mold insert is put, make the structure of injection mold simple, the injection mo(u)lding of multimode cave can be realized, improve production efficiency and automaticity, it also avoid the problem because water treatment causes metalwork to get rusty simultaneously.
Description
Technical field
The utility model relates to a kind of injection molding product structure, especially for the assembly type assist handle injection structure of electric tool.
Background technology
The assist handle of current electric tool adopts in-mould injection method mostly, completes injection mo(u)lding after namely bolt being put into injection mould inner position, makes together with bolt is embedded in ebonite handle.There is following defect when adopting in-mould injection molding mode to produce: 1, higher to the positioning accuracy request of bolt inserts, once pressing mold appears in mold insert putting position non commuting, cause burn failure, and production efficiency is lower.2, in equal die cavity situation, the size of injection mold is comparatively large, and structure is more complicated.3, when after injection moulding, assist handle carries out water treatment, metal bolts can cause bolt to get rusty after also soaking together, affects using function.
Summary of the invention
In order to solve the problem, by change injection molding product structure, the utility model provides a kind of assembly type assist handle injection structure for electric tool.
The technical scheme that the utility model is taked is: for the assembly type assist handle injection structure of electric tool, comprise ebonite handle and the bolt of band endoporus, it is characterized in that: the diameter of endoporus is greater than the maximum outside diameter of bolt, the lower end of endoporus is provided with gusset, and the internal diameter of gusset and the major diameter of thread of bolt are interference fit.
Ebonite handle after injection mo(u)lding first carries out water treatment, on forcing press, then by frock, bolt is pressed into the endoporus of ebonite handle, and bolt head is embedded in the middle of gusset, and gusset hold-down bolt makes it fix.
The beneficial effects of the utility model are: the location 1, owing to eliminating bolt mold insert is put, and make the structure of injection mold simple, can realize the injection mo(u)lding of multimode cave, improve production efficiency and automaticity; 2, the problem because water treatment causes metalwork to get rusty is avoided.
Accompanying drawing explanation
Fig. 1 is the sectional view of ebonite handle;
Fig. 2 is the sectional view after bolt and ebonite handle are assembled.
In figure: 1. ebonite handle, 2. endoporus, 3. gusset, 4. bolt head, 5. bolt.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As depicted in figs. 1 and 2, be provided with endoporus 2 in ebonite handle 1, the diameter of endoporus 2 is greater than the head outer diameter of bolt 5; The lower end of endoporus 2 is provided with gusset 3, and the internal diameter of gusset 3 and the major diameter of thread of bolt 5 are interference fit, can hold-down bolt 5, ensures the extrusion pressure requirement of bolt.
During production, first the ebonite handle 1 of injection mo(u)lding is passed through batch water treatment, then by frock, bolt 5 is pressed in the endoporus 2 of ebonite handle 1 on forcing press, bolt head 4 is embedded in gusset 3, realize bolt 5 fixing in ebonite handle 1.
The above is for illustration of the utility model, but is not used for limiting scope of the present utility model.Under the prerequisite not departing from the utility model know-why, the utility model can also do some modifications and variations, and these modifications and variations are also considered as protection domain of the present utility model.
Claims (2)
1. for the assembly type assist handle injection structure of electric tool, comprise ebonite handle (1) and the bolt (5) of band endoporus (2), it is characterized in that: the diameter of described endoporus (2) is greater than bolt (5) maximum outside diameter, the lower end of endoporus (2) is provided with gusset (3), and the internal diameter of described gusset (3) and the major diameter of thread of bolt (5) are interference fit.
2. the assembly type assist handle injection structure for electric tool according to claim 1, it is characterized in that: bolt (5) is assembled in the endoporus (2) of ebonite handle (1), bolt head (4) embeds in the middle of gusset (3), gusset (3) hold-down bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406267.6U CN204149138U (en) | 2014-07-23 | 2014-07-23 | For the assembly type assist handle injection structure of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406267.6U CN204149138U (en) | 2014-07-23 | 2014-07-23 | For the assembly type assist handle injection structure of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204149138U true CN204149138U (en) | 2015-02-11 |
Family
ID=52507290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406267.6U Expired - Fee Related CN204149138U (en) | 2014-07-23 | 2014-07-23 | For the assembly type assist handle injection structure of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204149138U (en) |
-
2014
- 2014-07-23 CN CN201420406267.6U patent/CN204149138U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20160723 |