CN209699718U - Mould lid fixed sensor - Google Patents
Mould lid fixed sensor Download PDFInfo
- Publication number
- CN209699718U CN209699718U CN201920359730.9U CN201920359730U CN209699718U CN 209699718 U CN209699718 U CN 209699718U CN 201920359730 U CN201920359730 U CN 201920359730U CN 209699718 U CN209699718 U CN 209699718U
- Authority
- CN
- China
- Prior art keywords
- magnet
- copper piece
- piece
- inner hole
- counterbore
- 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
Mould lid fixed sensor, including copper piece, counterbore is offered in the copper piece, magnet is placed in the counterbore, the side annular spread of the copper piece is provided with multiple bolts hole, and the external integrated injection molding of the copper piece has plastic lid, the plastic lid includes fixed part, interconnecting piece and the cross sealing for injecting bolt hole, the interconnecting piece includes an inner hole, and cross sealing is arranged in the inner hole, and the diameter of the inner hole is less than the diameter of magnet.The utility model has the following beneficial effects: one end is fixed in copper piece by integrally formed plastic lid, one end wraps up magnet and is close to magnet, therefore the sensor fixed function is very good, will not fall off easily, long service life.
Description
Technical field
The utility model belongs to automobile sensor field, and in particular to modeling lid fixed sensor.
Background technique
The production method of automobile sensor on the market is very single at present, it is generally the case that one is opened in copper piece
Deep gouge applies glue in deep gouge in advance, and then magnet is put into, by glue magnet and copper piece it is glutinous together with.
This adhesive method, magnet are easy to drop out out of copper piece, will lead to sensor failure, the magnet to drop out is all
Disappear, be difficult to repair, needs replacing a new sensor.
Summary of the invention
Aiming at the shortcomings in the prior art, the utility model provides modeling lid fixed sensor, to solve existing sensing
The problem of magnet of device is binded merely with glue, is simply fallen out.
The utility model is achieved through the following technical solutions.
Lid fixed sensor, including copper piece are moulded, counterbore is offered in the copper piece, places magnetic in the counterbore
Body, the side annular spread of the copper piece are provided with multiple bolts hole, and the external integrated injection molding of the copper piece has modeling
Material lid, the plastic lid include fixed part, interconnecting piece and the cross sealing for injecting bolt hole, and the interconnecting piece includes one
A inner hole, the inner hole is interior to be arranged cross sealing, and the diameter of the inner hole is less than the diameter of magnet.By increasing one
The plastic lid of injection molding, the plastic lid can either play the role of fixed magnet, and will not influence the normal work of magnet, at
This is cheap, and effect is good.
Preferably, the cross sealing is made of a criss-cross moulding, and the centre of moulding is circle
Cylindricality processes clout.Facilitate the demoulding of entire mold.
Preferably, the bolt hole is four.Minimum is three, can also be designed as six according to the size of copper piece
It is a.
Preferably, the thickness of the cross sealing is less than the thickness of interconnecting piece.Reduce injection molding cost.
Keep flushing with the upper surface of copper piece preferably, the magnet is put into after counterbore, the connecting portion in
The surface of copper piece and magnet.Magnet is blocked, so that the position of magnet is limited, will not be tampered.
Compared with prior art: by integrally formed plastic lid, one end is fixed in copper piece, and magnet and tight is wrapped up in one end
Magnet is pasted, therefore the sensor fixed function is very good, will not fall off easily, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the sensor finished parts of the utility model.
Fig. 3 is the top view of the sensor finished parts of the utility model.
Fig. 4 is the enlarged drawing in the utility model Fig. 2 at A.
Specific embodiment
Lid fixed sensor, including copper piece 1 are moulded, counterbore is offered in the copper piece 1, places magnetic in the counterbore
Body 2, the side annular spread of the copper piece 1 are provided with multiple bolts hole 4, the external integrated injection molding of the copper piece 1
There is plastic lid 3, the plastic lid 3 includes fixed part, interconnecting piece 31 and the cross sealing 32 of injection bolt hole 4, described
Interconnecting piece 31 includes an inner hole, and cross sealing 32 is arranged in the inner hole, and the diameter of the inner hole is less than magnet 2
Diameter, the cross sealing 32 are made of a criss-cross moulding, and the centre of moulding is more than cylindrical processing
Material 32, the bolt hole 4 are four, and the thickness of the cross sealing 32 is less than the thickness of interconnecting piece 31, the magnetic
Body 2 is put into after counterbore and keeps flushing with the upper surface of copper piece 1, and the interconnecting piece 31 is located at the surface of copper piece 1 and magnet 2.
In use, magnet 2 is put into copper piece 1 first, so that the upper end of magnet 2 and the upper end of copper piece 1 are neat
Flat, whole that the semi-finished product are put into injection molding machine, the injection molding machine and semi-finished product form a cavity, the injection melting in the cavity
The plastic liquid of state forms plastic lid 3, and plastic liquid is formed fixed part after entering bolt hole 4, and fixed part also forms
Internal screw thread cooperates with the thread of bolt hole 4, is fixed.
And interconnecting piece 31 and cross sealing 32 are yet formed in cavity, the diameter of the inner hole of interconnecting piece 31 is less than magnet 2
Diameter, made magnet 2 that can not escape copper piece 1, in order to play the role of reinforcing protection, and be additionally arranged cross sealing
32, and using the intermediate position of cross sealing 32 as cutting plastics surplus position at.
Plastic part will not magnet 2 inside stealth magnetism, and copper piece 1 and magnet 2 can be fixed together again, will not
Arbitrarily shake.
The protection scope of the utility model includes but is not limited to embodiment of above, and the protection scope of the utility model is to weigh
Subject to sharp claim, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that are each fallen within
The protection scope of the utility model.
Claims (5)
1. moulding lid fixed sensor, including copper piece (1), counterbore is offered in the copper piece (1), is placed in the counterbore
Magnet (2), which is characterized in that the side annular spread of the copper piece (1) is provided with multiple bolts hole (4), the copper piece
(1) external integrated injection molding has plastic lid (3), and the plastic lid (3) includes the fixed part of injection bolt hole (4), connects
Socket part (31) and cross sealing (32), the interconnecting piece (31) include an inner hole, and setting cross is close in the inner hole
Envelope portion (32), the diameter of the inner hole are less than the diameter of magnet (2).
2. modeling lid fixed sensor according to claim 1, which is characterized in that the cross sealing (32) is by one
A criss-cross moulding is constituted, and the centre of moulding is cylindrical processing clout.
3. modeling lid fixed sensor according to claim 1, which is characterized in that the bolt hole (4) is four.
4. modeling lid fixed sensor according to claim 1, which is characterized in that the thickness of the cross sealing (32)
Degree is less than the thickness of interconnecting piece (31).
5. modeling lid fixed sensor according to claim 1, which is characterized in that after the magnet (2) is put into counterbore
It keeps flushing with the upper surface of copper piece (1), the interconnecting piece (31) is located at the surface of copper piece (1) and magnet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359730.9U CN209699718U (en) | 2019-03-21 | 2019-03-21 | Mould lid fixed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359730.9U CN209699718U (en) | 2019-03-21 | 2019-03-21 | Mould lid fixed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209699718U true CN209699718U (en) | 2019-11-29 |
Family
ID=68644827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920359730.9U Expired - Fee Related CN209699718U (en) | 2019-03-21 | 2019-03-21 | Mould lid fixed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209699718U (en) |
-
2019
- 2019-03-21 CN CN201920359730.9U patent/CN209699718U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191129 |