CN104260272A - Injection molding structure of assembling type auxiliary handle - Google Patents
Injection molding structure of assembling type auxiliary handle Download PDFInfo
- Publication number
- CN104260272A CN104260272A CN201410355928.1A CN201410355928A CN104260272A CN 104260272 A CN104260272 A CN 104260272A CN 201410355928 A CN201410355928 A CN 201410355928A CN 104260272 A CN104260272 A CN 104260272A
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- CN
- China
- Prior art keywords
- bolt
- injection molding
- handle
- diameter
- injection
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
An injection molding structure of an assembling type auxiliary handle comprises a hard rubber handle with an inner hole and a bolt. The injection molding structure is characterized in that the diameter of the inner hole is larger than the maximum outer diameter of the bolt; a rib plate is arranged at the lower end of the inner hole; the inner diameter of the rib plate is in interference fit with the thread outer diameter of the bolt; water treatment is firstly carried out on the hard rubber handle obtained after injection moulding, then, the bolt is pressed into the inner hole of the hard rubber handle on a press machine through a tool, the head of the bolt is embedded into the middle of the rib plate, and the bolt is compressed by the rib plate, and therefore the bolt is fixed. Due to the fact that positioning and placing of a bolt insert are removed, an injection mold is simple in structure, injection molding of a multi-mode cavity can be achieved, the production efficiency and the automatic degree can be improved, and meanwhile the problem that a metal part is rusted due to water treatment is solved.
Description
Technical field
The present invention relates to a kind of injection molding product structure, particularly the injection structure of assembly type assist handle.
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 invention provides a kind of injection structure of assembly type assist handle.
The technical scheme that the present invention takes is: the injection structure of assembly type assist handle, 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.
The invention has the beneficial effects as follows: the location 1, owing to 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; 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 present invention is further described.
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 present invention, but is not used for limiting the scope of the invention.Under the prerequisite not departing from the technology of the present invention principle, the present invention can also do some modifications and variations, and these modifications and variations are also considered as protection scope of the present invention.
Claims (2)
1. the injection structure of assembly type assist handle, 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 injection structure of assembly type assist handle 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 |
|---|---|---|---|
| CN201410355928.1A CN104260272A (en) | 2014-07-22 | 2014-07-22 | Injection molding structure of assembling type auxiliary handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355928.1A CN104260272A (en) | 2014-07-22 | 2014-07-22 | Injection molding structure of assembling type auxiliary handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104260272A true CN104260272A (en) | 2015-01-07 |
Family
ID=52151915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410355928.1A Pending CN104260272A (en) | 2014-07-22 | 2014-07-22 | Injection molding structure of assembling type auxiliary handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260272A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274428A (en) * | 2007-03-29 | 2008-10-01 | 罗伯特·博世有限公司 | Handle |
-
2014
- 2014-07-22 CN CN201410355928.1A patent/CN104260272A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274428A (en) * | 2007-03-29 | 2008-10-01 | 罗伯特·博世有限公司 | Handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |