CN210015821U - High-sensitivity hydraulic switch connector - Google Patents
High-sensitivity hydraulic switch connector Download PDFInfo
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- CN210015821U CN210015821U CN201921339813.8U CN201921339813U CN210015821U CN 210015821 U CN210015821 U CN 210015821U CN 201921339813 U CN201921339813 U CN 201921339813U CN 210015821 U CN210015821 U CN 210015821U
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Abstract
The utility model discloses a high-sensitivity hydraulic switch connector, which comprises a connector rubber core and a connector shell, and further comprises a compression spring, a conductive metal sheet, two conductive needles and a rubber sealing gasket, wherein the front end surface of the connector rubber core is sequentially provided with a rubber core movable cavity and a spring mounting cavity, the rear end surface of the connector rubber core is provided with a welding cavity, the two conductive needles are arranged inside the connector rubber core in a penetrating way, one end of each conductive needle extends into the welding cavity, and the other end of each conductive needle extends into the rubber core movable cavity and is integrally provided with a conductive needle cap; the rear end of the connector shell is provided with a hydraulic oil cavity, the inner wall of the hydraulic oil cavity is provided with an annular step, and the rubber sealing gasket comprises a sealing gasket cap protruding towards the front end. The utility model discloses structural arrangement is reasonable, and less oil pressure can drive the sealed pad of rubber and produce deformation, and then the electrically conductive sheetmetal of drive is connected with the electrically conductive needle cap contact that corresponds, is favorable to improving the sensitivity of hydraulic switch connector.
Description
Technical Field
The utility model relates to a hydraulic switch technical field specifically is a high hydraulic switch connector of sensitivity.
Background
Currently, bicycles, electric bicycles, and motorcycles widely use oil pressure disc brakes with hydraulic switch connectors. The hydraulic switch connector on the market mostly has certain structural defect, lead to the oil pressure dish to stop the during operation and need very big oil pressure to use on the inside EPDM sealing gasket of hydraulic switch connector, the elasticity of compression spring is overcome to the sealed atress of EPDM sealing gasket, upward movement finally makes metal conducting strip and two pin needle contacts that correspond for the circuit of connecting on the pin needle switches on, hydraulic switch connector could work.
How to improve the inner structure of hydraulic switch connector, can be with metal conducting strip and two pin needle contacts under less oil pressure effect to improve the sensitivity of hydraulic switch connector, become the problem that this application needs to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high hydraulic switch connector of sensitivity to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-sensitivity hydraulic switch connector comprises a connector rubber core, a connector shell, a compression spring, a conductive metal sheet, two conductive needles and a rubber sealing gasket, wherein a rubber core movable cavity and a spring mounting cavity are sequentially formed in the front end face of the connector rubber core; the rear end of the connector shell is provided with a hydraulic oil cavity, the inner wall of the hydraulic oil cavity is provided with an annular step, the rubber sealing gasket comprises a sealing gasket cap protruding towards the front end, the circumferential outer wall of the sealing gasket cap extends to form a sealing cap annular edge, the inner wall of the sealing gasket cap protrudes to form a protruding part, the conductive metal sheet is arranged in the rubber core movable cavity, the front end of the conductive metal sheet is connected with the protruding part in an installing mode, a compression spring is arranged in the spring installing cavity, and the other end of the compression spring is connected with the rear end face of the conductive metal sheet in an abutting mode; the connector rubber core is embedded in the hydraulic oil cavity, the front end of the connector rubber core presses and pastes the sealing cap ring edge on the annular step, the front end of the connector shell extends to form a connecting plug column and a connecting stud, an oil inlet through hole is formed in the connecting stud, the oil inlet through hole penetrates through the connecting plug column and is communicated with the hydraulic oil cavity, and an oil outlet hole communicated with the oil inlet through hole is formed in the outer wall of the connecting plug column.
Preferably, the end face, far away from the connector rubber core, of the annular edge of the sealing cap is provided with an annular groove, and the end face of the annular step is provided with an annular convex part matched with the annular groove.
Preferably, the conductive pin is located at the end of the welding cavity and connected with the corresponding lead in a welding mode, and the welding cavity is filled with an epoxy resin block for covering the end of the conductive pin.
Preferably, the rear end of the connector rubber core is further wrapped with a connector protective sleeve.
Preferably, the rubber gasket is made of EPDM rubber.
Preferably, the end face of the protruding portion is provided with a clamping groove, the center of the front end of the conductive metal sheet extends to form an insertion portion with a T-shaped cross section, and the insertion portion is embedded in the clamping groove in a matched mode.
Compared with the prior art, the beneficial effects of the utility model are that: the rubber sealing gasket comprises a sealing gasket cap protruding towards the front end, a sealing cap ring edge extends from the outer wall of the circumference of the sealing gasket cap, a protruding part is arranged on the inner wall of the sealing gasket cap in a protruding mode, the front end of the conductive metal sheet is connected with the protruding part in an installing mode, when hydraulic oil is introduced into the hydraulic oil cavity, due to the cap-shaped structure of the rubber sealing gasket, the rubber sealing gasket can be driven to deform by small oil pressure, the conductive metal sheet is driven to be in contact connection with the corresponding conductive needle cap, and the sensitivity of the hydraulic switch connector is improved; the end face, away from the connector rubber core, of the sealing cap annular edge is provided with an annular groove, and the end face of the annular step is provided with an annular convex part matched with the annular groove; the clamping groove is formed in the end face of the protruding portion, the inserting portion with the T-shaped cross section is extended from the center of the front end of the conductive metal sheet, the inserting portion is matched and embedded in the clamping groove, the conductive metal sheet and the rubber sealing gasket are reasonable in mounting structure design, assembly is convenient, and the conductive metal sheet is not prone to falling off in the actual working process and is beneficial to prolonging the service life of the hydraulic switch connector. The utility model discloses structural arrangement is reasonable, and less oil pressure can drive the sealed pad of rubber and produce deformation, and then the electrically conductive sheetmetal of drive is connected with the electrically conductive needle cap contact that corresponds, is favorable to improving the sensitivity of hydraulic switch connector.
Drawings
FIG. 1 is a schematic diagram of a high sensitivity hydraulic switch connector;
fig. 2 is a schematic diagram of a connection structure between a connector rubber core and a rubber sealing gasket in a high-sensitivity hydraulic switch connector.
In the figure: 1-connector rubber core, 11-welding cavity, 12-rubber core movable cavity, 13-spring installation cavity, 2-conductive pin, 21-conductive pin cap, 3-compression spring, 4-conductive metal sheet, 41-insertion part, 5-sealing pad cap, 51-protrusion part, 52-sealing cap ring edge, 53-annular groove, 6-connector shell, 61-hydraulic oil cavity, 611-annular protrusion part, 62-connecting plug, 621-oil outlet, 63-connecting stud, 631-oil inlet through hole and 7-connector protecting sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a high-sensitivity hydraulic switch connector comprises a connector rubber core 1, a connector shell 6, a compression spring 3, a conductive metal sheet 4, two conductive needles 2 and a rubber sealing gasket, wherein a rubber core movable cavity 12 and a spring mounting cavity 13 are sequentially formed in the front end face of the connector rubber core 1, a welding cavity 11 is formed in the rear end face of the connector rubber core 1, the two conductive needles 2 penetrate through the connector rubber core 1, one ends of the conductive needles 2 extend into the welding cavity 11, the other ends of the conductive needles 2 extend into the rubber core movable cavity 12, and a conductive needle cap 21 is integrally arranged; the rear end of the connector shell 6 is provided with a hydraulic oil cavity 61, the inner wall of the hydraulic oil cavity 61 is provided with an annular step, the rubber sealing gasket comprises a sealing gasket cap 5 protruding towards the front end, a sealing cap annular edge 52 extends from the circumferential outer wall of the sealing gasket cap 5, a protruding part 51 protrudes from the inner wall of the sealing gasket cap 5, the conductive metal sheet 4 is arranged in the rubber core movable cavity 12, the front end of the conductive metal sheet 4 is connected with the protruding part 51 in an installing mode, a compression spring 3 is arranged in the spring installation cavity 13, and the other end of the compression spring 3 is connected with the rear end face of the conductive metal sheet 4 in an abutting mode; the connector rubber core 1 is embedded in the hydraulic oil cavity 61, the front end of the connector rubber core 1 presses the sealing cap annular edge 52 to be attached to the annular step, the front end of the connector shell 6 extends to form a connecting plug column 62 and a connecting stud 63, an oil inlet through hole 631 is formed in the connecting stud 63, the oil inlet through hole 631 penetrates through the connecting plug column 62 and is communicated with the hydraulic oil cavity 61, and an oil outlet 621 communicated with the oil inlet through hole 631 is formed in the outer wall of the connecting plug column 62.
Rubber seal includes the convex sealing pad cap 5 of front end, the circumference outer wall extension of sealing pad cap 5 has sealing cap ring limit 52, the inner wall protrusion of sealing pad cap 5 is provided with bulge 51, the front end and the bulge 51 erection joint of electrically conductive sheetmetal 4, when letting in hydraulic oil in the hydraulic pressure oil chamber 61, because the foretell cap-shaped structure of rubber seal, consequently, less oil pressure can drive rubber seal and produce deformation, and then drive electrically conductive sheetmetal 4 and the electrically conductive needle cap 21 contact connection that corresponds, be favorable to improving the sensitivity of hydraulic switch connector.
The end face of the sealing cap annular edge 52, which is far away from the connector rubber core 1, is provided with an annular groove 53, and the end face of the annular step is provided with an annular convex part 611 matched with the annular groove 53. Due to the structural arrangement, the sealing cap annular edge 52 can be tightly attached to the annular step, a good sealing effect is achieved, and hydraulic oil is prevented from leaking into the rubber core movable cavity 12.
The end part of the conductive needle 2, which is positioned in the welding cavity 11, is connected with a corresponding lead in a welding manner, and the welding cavity 11 is filled with an epoxy resin block for coating the end part of the conductive needle 2. The epoxy resin block can effectively protect the welding point position, and the conductive pin 2 and the lead welding position are prevented from falling off or having poor contact due to the vibrating working environment.
And the rear end of the connector rubber core 1 is also coated with a connector protective sleeve 7. The rubber sealing gasket is made of EPDM rubber.
The end face of the protruding part 51 is provided with a clamping groove, the center of the front end of the conductive metal sheet 4 extends to form an insertion part 41 with a T-shaped cross section, and the insertion part 41 is embedded in the clamping groove in a matching mode. The installation structure of the conductive metal sheet 4 and the rubber sealing gasket is reasonable in design, convenient to assemble and not easy to fall off in the actual working process, and the service life of the hydraulic switch connector is prolonged.
The utility model discloses a theory of operation is: when the oil pressure disc brake works, the oil way corresponding to the oil outlet 621 is sealed, hydraulic oil enters the hydraulic oil cavity 61 through the oil inlet through hole 631, the oil pressure pushes the sealing pad cap 5 to overcome the elastic force of the compression spring 3, the conductive metal sheet 4 is driven to be in contact connection with the corresponding conductive needle cap 21, and the corresponding circuit is conducted, so that the brake lamp is lightened. When the oil pressure disc brake does not work, the oil path corresponding to the oil outlet 621 is conducted, and hydraulic oil is discharged from the oil outlet 621.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a high hydraulic switch connector of sensitivity, includes that core (1) and connector housing (6) are glued to the connector, its characterized in that: the connector rubber core comprises a connector rubber core (1), and is characterized by further comprising a compression spring (3), a conductive metal sheet (4), two conductive needles (2) and a rubber sealing gasket, wherein a rubber core movable cavity (12) and a spring installation cavity (13) are sequentially formed in the front end face of the connector rubber core (1), a welding cavity (11) is formed in the rear end face of the connector rubber core (1), the two conductive needles (2) penetrate through the connector rubber core (1), one ends of the conductive needles (2) extend into the welding cavity (11), and the other ends of the conductive needles (2) extend into the rubber core movable cavity (12) and are integrally provided with conductive needle caps (21); the rear end of the connector shell (6) is provided with a hydraulic oil cavity (61), the inner wall of the hydraulic oil cavity (61) is provided with an annular step, the rubber sealing gasket comprises a sealing gasket cap (5) protruding towards the front end, a sealing gasket ring edge (52) extends from the outer wall of the circumference of the sealing gasket cap (5), a protruding part (51) is protruding from the inner wall of the sealing gasket cap (5), the conductive metal sheet (4) is arranged in the rubber core movable cavity (12), the front end of the conductive metal sheet (4) is connected with the protruding part (51) in an installing mode, a compression spring (3) is arranged in the spring installing cavity (13), and the other end of the compression spring (3) is connected with the rear end face of the conductive metal sheet (4) in an abutting mode; the connector rubber core (1) is embedded in the hydraulic oil cavity (61), the front end of the connector rubber core (1) presses the sealing cap ring edge (52) to be attached to the annular step, the front end of the connector shell (6) extends to be connected with the inserting column (62) and the connecting stud (63), an oil inlet through hole (631) is formed in the connecting stud (63), the oil inlet through hole (631) penetrates through the connecting inserting column (62) and is communicated with the hydraulic oil cavity (61), and an oil outlet (621) communicated with the oil inlet through hole (631) is formed in the outer wall of the connecting inserting column (62).
2. A high sensitivity hydraulic switch connector according to claim 1, wherein: the end face, away from the connector rubber core (1), of the sealing cap annular edge (52) is provided with an annular groove (53), and the end face of the annular step is provided with an annular convex part (611) matched with the annular groove (53).
3. A high sensitivity hydraulic switch connector according to claim 1, wherein: the end part of the conductive needle (2) positioned in the welding cavity (11) is connected with the corresponding lead in a welding way, and the welding cavity (11) is filled with an epoxy resin block for coating the end part of the conductive needle (2).
4. A high sensitivity hydraulic switch connector according to claim 3, wherein: and the rear end of the connector rubber core (1) is also coated with a connector protective sleeve (7).
5. A high sensitivity hydraulic switch connector according to claim 1, wherein: the rubber sealing gasket is made of EPDM rubber.
6. A high sensitivity hydraulic switch connector according to claim 1, wherein: the end face of the protruding portion (51) is provided with a clamping groove, the center of the front end of the conductive metal sheet (4) extends to form an insertion portion (41) with a T-shaped cross section, and the insertion portion (41) is embedded in the clamping groove in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339813.8U CN210015821U (en) | 2019-08-19 | 2019-08-19 | High-sensitivity hydraulic switch connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339813.8U CN210015821U (en) | 2019-08-19 | 2019-08-19 | High-sensitivity hydraulic switch connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015821U true CN210015821U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339813.8U Active CN210015821U (en) | 2019-08-19 | 2019-08-19 | High-sensitivity hydraulic switch connector |
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| Country | Link |
|---|---|
| CN (1) | CN210015821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI745246B (en) * | 2021-02-26 | 2021-11-01 | 廣大工業股份有限公司 | Switch with two-way signal |
-
2019
- 2019-08-19 CN CN201921339813.8U patent/CN210015821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI745246B (en) * | 2021-02-26 | 2021-11-01 | 廣大工業股份有限公司 | Switch with two-way signal |
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