CN220138168U - Integrated waterproof switch base and die structure thereof - Google Patents
Integrated waterproof switch base and die structure thereof Download PDFInfo
- Publication number
- CN220138168U CN220138168U CN202321646301.2U CN202321646301U CN220138168U CN 220138168 U CN220138168 U CN 220138168U CN 202321646301 U CN202321646301 U CN 202321646301U CN 220138168 U CN220138168 U CN 220138168U
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- CN
- China
- Prior art keywords
- injection molding
- conductive terminal
- switch base
- injection
- waterproof switch
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- 238000001746 injection moulding Methods 0.000 claims abstract description 45
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000012778 molding material Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000003292 glue Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an integrated waterproof switch base and a die structure thereof, wherein the base comprises a body and a conductive terminal, the conductive terminal is injection-molded in the body and is exposed on the inner wall of an inner cavity of the body, a plurality of injection molding press pin holes are further formed in the body, an isolation layer is arranged between the conductive terminal and the outer surface of the body, and the isolation layer is positioned at a press pin gap between the isolation conductive terminal and the injection molding press pin holes at the bottom of the injection molding press pin holes; according to the waterproof switch base, the structural design of the waterproof switch base is adopted, the improved design of the die is utilized, the switch base structure which is completely blocked and is seamless is integrally formed in production, and the potential safety hazard of the prior art, which is needed to be sealed by later-stage dispensing, can be avoided, the production difficulty can be reduced, and the production cost can be saved.
Description
Technical Field
The utility model relates to the technical field of switch accessories, in particular to an integrated waterproof switch base and a die structure thereof.
Background
With the enhancement of environmental awareness, electric vehicles have become one of the important vehicles for office workers today. The existing reset switch used on the electric vehicle has the defect of complex internal structure, a large number of parts are required to be assembled one by one during assembly, the assembly efficiency is reduced, the action of the reset switch is unstable, the instant action weakening phenomenon of the reset function can occur after long-term use, the waterproof performance is relatively poor, and the normal service life and the usability safety of the electric vehicle are affected.
The prior art CN202221355889.1 is a double-reset waterproof switch, which is improved on a shell to make water more unable to enter the inside, breaks a dispensing process (dispensing is basically only a theoretical seal, and the glue and the plastic are impossible to be completely integrated, so that after long-term use, water is immersed into a base from a fusion line of the glue and the plastic), and prevents water seepage after plastic sealing process is performed on the outside of the base, because the original design of the switch is to embed a conductive terminal on one side of an inner cavity, core pulling and mold drawing are required to be performed on the outside during manufacturing, so that the manufactured base needs to be subjected to glue fixing and sealing in later period, and the design is shown in fig. 1. In the prior art, the product is provided with the injection hole and is required to be plugged in the later stage, however, the glue and the base material always belong to later-stage gluing, so that the split type structure can not avoid the problems of cracking caused by ageing of the glue and the plastic, and the like, so that the waterproof performance is reduced, and hidden danger still exists.
Disclosure of Invention
In view of the prior art, the present utility model aims to provide a structural design of an integrated waterproof switch base and a mold thereof, and the waterproof switch of the present embodiment realizes improvement of the base structure through the mold design, has good protection performance and can reduce production procedures, thereby achieving the effect of half effort.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the integrated waterproof switch base comprises a body and a conductive terminal, wherein the conductive terminal is injection-molded and sealed in the body, and is exposed on the inner wall of an inner cavity of the body, a plurality of injection molding press pinholes are further formed in the body, an isolation layer is arranged on the outer surfaces of the conductive terminal and the body, and the isolation layer is positioned at the bottom of the injection molding press pinholes to isolate the conductive terminal from the injection molding press pinholes.
The base that sets up through above-mentioned scheme includes body and binding post, binding post moulds plastics in the base is originally internal, and its expose on the inner wall of base inner chamber, still has a plurality of pinhole on the base, binding post and base surface pinhole are provided with the isolation layer, the isolation layer is located binding post and the middle of the pinhole of pressing, makes its hole not expose copper, forms the terminal casing result of integral type, prevents oxidation and the waterproof effect of sealing of here.
As a further setting of above-mentioned scheme, the isolation layer sets up with body an organic whole moulding plastics, just the thickness of isolation layer is greater than 0.1mm.
As a further arrangement of the above aspect, the die includes an upper die, a lower die, and a pressing pin for fixing the conductive terminal against the upper die during injection molding.
As a further setting of above-mentioned scheme, press the needle to be provided with the secondary and fade the core mechanism, the secondary is faded the core mechanism and is used for pressing the needle to keep away from and be close to relative conductive terminal, the secondary is faded the core mechanism and is in the injection molding machine injection molding process, utilizes the injection molding machine mould to press the time delay action after the needle annotates the pressure, drives to press the needle to keep away from conductive terminal direction activity and removes 0.1mm at least.
As a further arrangement of the scheme, the secondary core removing mechanism is arranged as a spring piece, and the elastic force of the spring piece is smaller than or equal to the pressure value of the injection molding machine.
The beneficial effects are that: according to the waterproof switch base, the structural design of the waterproof switch base is utilized, the switch base structure which is completely blocked and is seamless is integrally formed during production, the potential safety hazard of later gluing in the prior art can be avoided through the structural design of the switch base, the production difficulty can be reduced, and the production cost is saved.
Drawings
Fig. 1 is a prior art base structure arrangement requiring secondary processing.
Fig. 2 is a schematic view of the base structure of the present embodiment.
Fig. 3 is a schematic view of the base mold structure of the present embodiment.
Reference numerals: 1. a base; 2. a body; 3. a conductive terminal; 4. an isolation layer; 5. pressing the needle; 8. and (5) injection molding the pinhole.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present utility model and the features in the embodiments may be combined with each other without collision.
The integrated waterproof switch base and the die structure thereof as shown in fig. 2-3, wherein the base 1 comprises a body 2 and a conductive terminal 3, the conductive terminal 3 is injection-molded in the body 2 and is exposed on the inner wall of the inner cavity of the body 2, a plurality of injection molding press pin holes 8 are further formed in the body 2, an isolation layer 4 is arranged on the outer surfaces of the conductive terminal 3 and the body 2, and the isolation layer 4 is positioned at the bottom of the injection molding press pin holes 8 to isolate the conductive terminal 3 from the injection molding press pin holes 8.
As a further arrangement of the above solution, the isolating layer 4 is integrally injection-molded with the body 2, and the thickness of the isolating layer 4 is greater than 0.1mm.
As a further arrangement of the above-mentioned aspects, the mold includes an upper mold, a lower mold, and a pressing pin 5 for fixing the conductive terminal 3 against the upper mold during injection molding.
As a further setting of above-mentioned scheme, press 5 is provided with the secondary and fade the core mechanism, the secondary is faded the core mechanism and is used for controlling to press 5 to keep away from and be close to relative conductive terminal 3, the secondary is faded the core mechanism and is annotated the time delay action after pressing at the injection molding machine, drives to press 5 to keep away from conductive terminal 3 direction activity and remove 0.1mm at least, the secondary is faded the core mechanism and is included the spring spare, the elasticity of spring spare is less than the injection molding machine pressure numerical value.
Through the arrangement of the above scheme, the base structure of the embodiment is shown in fig. 2-3, compared with the structure shown in fig. 1 in the prior art, in the injection hole 8 after the body 2 and the positioning core rod 5 of the base are drawn away, the isolation layer 4 is also formed integrally with the body 2 during injection, and is blocked between the conductive sheet 3 and the outside, so that the conductive sheet 3 cannot have holes because of the positioning core rod 5, and the hole repairing is carried out in the later stage because of the schemes such as glue dispensing, and the like, compared with the prior art, the positioning core rod 5 keeps in contact with the conductive terminal 3 until demoulding, the embodiment obtains the design of the body 2 which is completely integrally formed through the improved arrangement of the die core module of the secondary core removing mechanism, and compared with the design of the injection hole of the later stage glue dispensing sealing and needle pressing in the prior art, the present potential safety hazard is realized, the integral base structure design of the utility model is more in accordance with the requirements of water resistance and the like, and as shown in the figure, on the mold structure, the embodiment proposes to use a spring part as pressure resistance to form a mold stripping design after a delay of a plurality of seconds, compared with the prior art, the integral base structure design of the utility model is characterized in that the pressure is kept unchanged when an injection molding machine is used for injection molding by carrying out a small-amplitude mold stripping action on the positioning core rod 5 of the conductive terminal 3, the injection molding material is continuously fed into the inner cavity of the mold under the same pressure, the spring part is used for providing the pressure of the positioning core rod 5 at the beginning, therefore, the conductive sheet 3 is continuously attached to the upper mold, thereby forming a very flat structure exposed on the inner wall of the inner cavity of the body 2, and when the injection molding material fills the whole injection molding cavity, the pressure is continuously conveyed in the mold cavity, and at the moment, the injection molding pressure of the injection molding machine is still kept at a constant value, but the setting of core withdrawing module on the mould still includes to the setting of location core bar 5 has the secondary and fades the core mechanism, promptly at the beginning of moulding plastics, the injection molding material gets into this moment, injection molding machine pressure is continuous input, but, based on the contact direction and the volume of injection molding material and pressure needle, the spring receives the power that is less than self elasticity and the die cavity has the release guarantee that the injection molding material can get into, at this moment, the spring can drive the pressure needle and keep the butt, and after the injection molding material is crowded into the die cavity completely, the pressure needle can receive the pressure material pressure that is greater than self elasticity, can produce the compression at this moment, make location core bar 5 to keeping away from the direction of conductive terminal 3, injection molding hole 8 department between conductive terminal 3 and location core bar 5 forms the cavity, this cavity can make still the injection molding material secondary filling of the injection molding machine that continues the injection molding, it is notable that location 5 is small as shown in fig. 3 to the area, consequently, in the delay time before the spring compression, the body 2 that forms around location core bar 5 can form and keep away from the last mould and produce the spacing to the displacement, that is located the conductive terminal 3, namely, the material that the injection molding material can form around the location core bar 3 still forms around the fixed, the location core bar is still forming around the cavity 4, the solidification, thereby the location is difficult forms the cavity is formed around the insulation layer.
According to the utility model, the structural design of the die is improved, the spring with specific elasticity is arranged by utilizing the change principle of the pressure in the injection molding cavity, so that in the injection molding process, the conductive terminal 3 can be well positioned by the initial pressure needle 5 for injecting plastic, after a plurality of seconds are continuously spent, after the injection molding cavity is filled with the material, the spring piece is subjected to pressure which is larger than the elasticity of the spring piece to complete shrinkage deformation, so that the pressure needle 5 is retreated to form the isolation layer 4, and the pressure of the injection molding machine is kept constant and is always larger than the spring piece.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. Integral type waterproof switch base and mould structure thereof, its characterized in that: the base (1) comprises a body (2) and a conductive terminal (3), wherein the conductive terminal (3) is injection-molded in the body (2) and is exposed on the inner wall of the inner cavity of the body (2), a plurality of injection-molded pin pressing holes (8) are further formed in the body (2), an isolating layer (4) is arranged on the outer surfaces of the conductive terminal (3) and the body (2), and the isolating layer (4) is positioned at the bottom of the injection-molded pin pressing holes (8) to isolate the conductive terminal (3) from the injection-molded pin pressing holes (8).
2. The integrated waterproof switch base and mold structure thereof according to claim 1, wherein: the isolation layer (4) and the body (2) are integrally arranged in an injection molding mode, and the thickness of the isolation layer (4) is larger than 0.1mm.
3. The integrated waterproof switch base and mold structure thereof according to claim 1, wherein: the die comprises an upper die, a lower die and a pressing needle (5) for fixing the conductive terminal (3) against the upper die during injection molding.
4. The integrated waterproof switch base and mold structure thereof according to claim 3, wherein: the secondary core removing mechanism is used for enabling the needle (5) to be far away from and close to the conductive terminal (3), and the secondary core removing mechanism utilizes a time delay action after needle pressing and injection of an injection molding machine die to drive the needle (5) to move at least 0.1mm away from the conductive terminal (3) in the injection molding process of the injection molding machine die.
5. The integrated waterproof switch base and mold structure thereof according to claim 4, wherein: the secondary core removing mechanism comprises a spring piece, and the elastic force of the spring piece is smaller than the pressure value of the injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321646301.2U CN220138168U (en) | 2023-06-27 | 2023-06-27 | Integrated waterproof switch base and die structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321646301.2U CN220138168U (en) | 2023-06-27 | 2023-06-27 | Integrated waterproof switch base and die structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138168U true CN220138168U (en) | 2023-12-05 |
Family
ID=88951147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321646301.2U Active CN220138168U (en) | 2023-06-27 | 2023-06-27 | Integrated waterproof switch base and die structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138168U (en) |
-
2023
- 2023-06-27 CN CN202321646301.2U patent/CN220138168U/en active Active
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