Connector for automobile brake pump

Abstract

According to the technical scheme, the connector for the automobile brake pump comprises a socket shell, the socket shell is provided with a plug inserting cavity, one side of the socket shell is provided with a lock catch inserting groove and a lock catch positioning groove, and the lock catch inserting groove is communicated with the plug inserting cavity; the terminal seat is arranged in the socket shell and is provided with a female terminal plugging cavity; the lock catch is arranged in the lock catch slot of the socket shell in a pluggable mode, and a first sliding groove and an elastic positioning buckle are arranged on the two sides of the lock catch. The socket has the advantages that the two sides of the plug shell are locked at the same time through the pluggable lock catch on the side face of the socket shell, and the socket is small in size, more convenient to use and good in reliability.

Description

Technical Field

[0001] The invention belongs to the field of connectors, and in particular relates to a connector for an automobile brake pump. Background Art

[0002] The connector for automobile brake pump (brake caliper) is mainly used for connecting the circuit of automobile brake system. The structure of the connector for traditional automobile brake pump includes: a plug-in connector plug and a connector socket. Among them, the connector plug includes: a plug housing and a male terminal arranged in the plug housing; the connector socket includes: a socket housing and a female terminal arranged in the socket housing. When the connector plug is inserted into the connector socket, the male terminal will be inserted into the female terminal, thereby realizing the connection of the circuit. However, the main disadvantages are: 1. The plug housing usually adopts an elastic buckle on one side of the outer wall to connect with the hook on the outer wall of the socket housing to lock the connector, which has the disadvantages of large size, inconvenient use, and poor reliability; 2. There is no power-assisting mechanism for plugging and unplugging the connector, which has the problem of difficulty in plugging and unplugging; 3. The sealing ring is usually set on the plug housing, which not only causes excessive resistance to plugging and unplugging the plug, but also fails to seal the gap between the terminal seat and the socket housing. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a connector for an automobile brake pump which is small in size, good in reliability, convenient in use and more labor-saving in plugging and unplugging.

[0004] To solve the above problems, the technical solution adopted by the present invention includes: A socket housing, which is provided with a plug insertion cavity, and a lock slot and a lock positioning groove are provided on one side, and the lock slot is communicated with the plug insertion cavity; A terminal seat is arranged in the socket housing and is provided with a female terminal insertion cavity; A lock buckle is pluggably arranged in the lock buckle slot of the socket shell, and is provided with a first slide groove and an elastic positioning buckle on both sides, the first slide groove includes a first inclined slide groove and a first horizontal slide groove that smoothly transitions with the first inclined slide groove, a first positioning protrusion and a second positioning protrusion are provided at the front end of the inner wall of the elastic positioning buckle, a positioning opening that cooperates with the lock buckle positioning groove is formed between the first positioning protrusion and the second positioning protrusion, an unlocking inclined surface is provided at the upper end of the first positioning protrusion, and an unlocking clearance is left between the elastic positioning buckle and the side wall of the lock buckle; A plug housing is pluggably disposed in the plug insertion cavity of the socket housing, and a side wall is provided with a first sliding block adapted to the first sliding groove and an unlocking portion applying pressure to the unlocking inclined surface; The upper ends of both sides of the lock buckle are provided with a first slider insertion opening that smoothly transitions with the first sliding groove. When the plug shell is inserted into the socket shell and the first slider slides to the bottom of the first slider insertion opening, the unlocking portion applies pressure to the unlocking inclined surface to make the positioning opening move away from the lock buckle positioning groove.

[0005] A second slide groove is provided on both sides of the lock buckle corresponding to the lower front of the first slide groove, the second slide groove includes a second inclined slide groove and a second horizontal slide groove which smoothly transitions with the second inclined slide groove, the side wall of the plug shell is provided with a second slider which is adapted to the second slide groove, and the front ends of both sides of the lock buckle are provided with second slider loading openings which smoothly transition with the second slide groove.

[0006] The terminal seat is connected to the positioning groove and the hanging platform at the bottom of the socket shell respectively through the positioning flange and the barb at the bottom.

[0007] A sealing ring is provided at the bottom of the terminal seat. When the barb is connected to the hanging platform, the bottom of the sealing ring is pressed against the connection gap between the positioning flange and the socket shell, and the side is sealed against the inner wall of the plug shell.

[0008] A pluggable terminal stopper is provided on one side of the terminal seat, and the terminal stopper includes a U-shaped slot inserted into the terminal seat and a U-shaped side wall, the U-shaped slot is provided with a stopper surface extending into the female terminal insertion cavity, and the U-shaped side wall is provided with a clamping rib connected to the terminal seat.

[0009] A positioning convex point is arranged on the side of the lock buckle, and a positioning hole matching with the positioning convex point is arranged on the side of the socket shell.

[0010] A power-assist button installation opening is provided at the bottom of the lock, a slidable power-assist unlocking button and a reset spring for resetting the power-assist unlocking button are provided in the power-assist unlocking button installation opening, a power inclined surface and a labor-saving lever portion are provided at the bottom of the power-assist unlocking button, and a resistance inclined surface cooperating with the power inclined surface is provided on the socket housing.

[0011] An insert molding part is integrally formed at the bottom of the socket housing, and a drawing rib is arranged on the insert molding part.

[0012] Positioning grooves adapted to the first positioning protrusion and the second positioning protrusion are provided on both sides of the plug housing, a first inclined guiding surface is provided at the rear end of the second positioning protrusion, and a second guiding surface is provided at the rear end of the positioning groove.

[0013] The upper end of the socket housing is provided with a first slider positioning groove and a second slider positioning groove.

[0014] The advantages of the connector for the automobile brake pump of the present invention are as follows: 1. The two sides of the plug shell are locked simultaneously by the plug-in lock on the side of the socket shell, which has the advantages of small size, more convenient use, and good reliability; 2. The connector is provided with a power assist mechanism to facilitate the plugging and unplugging of the plug; 3. The sealing ring is arranged at the bottom of the terminal seat, the plug plugging and unplugging resistance is small, and the gap between the terminal seat and the socket shell can be sealed at the same time.

[0015] The present invention will be further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the connector for the automobile brake pump of the present invention, showing the state where the lock is pulled out; Figure 2 This is a schematic diagram of the structure of the connector for the automobile brake pump of the present invention, showing the state of the lock being inserted Figure 3 It is an exploded view of the connector for the automobile brake pump of the present invention; Figure 4 It is a cross-sectional view of the connector for the automobile brake pump of the present invention, showing the state where the lock is pulled out; Figure 5 It is a cross-sectional view of the connector for the automobile brake pump of the present invention, showing the state where the lock is inserted; Figure 6 It is a schematic diagram of the structure of the lock buckle of the present invention; Figure 7 2 is a cross-sectional view of the socket housing of the present invention Figure 8 It is a schematic structural diagram of the plug housing of the present invention; Fig. 9 It is a structural schematic diagram of the terminal retaining clamp of the present invention.

[0017] Among them: 1. socket housing; 2. terminal seat; 3. lock; 4. plug housing; 5. plug insertion cavity; 6. lock slot; 7. lock positioning slot; 8. first slide slot; 9. elastic positioning buckle; 10. first inclined slide slot; 11. first horizontal slide slot; 12. first positioning protrusion; 13. second positioning protrusion; 14. positioning opening; 15. unlocking inclined surface; 16. unlocking clearance; 17. first slider; 18. unlocking part; 19. first slider 1. the first guide surface; 2. the second guide surface; 3. the first slider positioning groove; 4. the second slider positioning groove; 5. the second guide surface; 6. the second guide surface; 7. the first slider positioning groove; 8. the second slider positioning groove; 9. the female terminal plug-in cavity; 10. the labor-saving lever portion; 11. the power ramp; 12. the resistance ramp; 13. the second slider positioning groove; 14. the second slider positioning groove; 15. the first guide surface; 16. the second guide surface; 17. the first slider positioning groove; 18. the second slider positioning groove; 19. the female terminal plug-in cavity; 20. the second guide surface; 21. the second slider positioning groove; 22. the second horizontal slide groove; 23. the second slider; 24. the second slider positioning groove; 25. the second slider positioning groove; 26. the second slider positioning groove; 27. the second slider positioning groove; 28. the second slider positioning groove; 29. ​​the female terminal plug-in cavity; 21. the second guide surface; 22. the second horizontal slide groove; 23. the second slider; 24. the second guide surface; 25. the second slider positioning groove; 26. the second guide surface; 27. the second slider positioning groove; 28. the second slider positioning groove; 29. ​​the female terminal plug-in cavity; 29. ​​the labor-saving lever portion; 30. the first guide surface; 31. the first guide surface; 32. the second guide surface; 33. the first slider positioning groove; 34. the female terminal plug-in cavity; 35. the first guide surface; 36. the second slider positioning groove; 37. the female terminal plug-in cavity; 38. the labor-saving lever portion; 39. the female terminal plug-in cavity; 30. the second guide surface; 31. the first guide surface; 32. the second guide surface; 33. the first slider positioning DETAILED DESCRIPTION

[0018] Reference Figure 1-Figure 9As shown, the connector for automobile brake pump of the present invention comprises: a socket housing 1, a terminal seat 2, a lock 3 and a plug housing 4. The socket housing 1 is provided with a plug insertion cavity 5 for inserting the plug housing 4, and a lock slot 6 and a lock positioning groove 7 are provided on one side of the socket housing 1, and the lock slot 6 is communicated with the plug insertion cavity 5. The terminal seat 2 is arranged in the center of the plug insertion cavity 5 of the socket housing 1 in an integral or split manner, and a female terminal insertion cavity 49 is provided in the terminal seat 2 for plugging in the female terminal. The lock 3 is pluggable and arranged in the lock slot 6 of the socket housing 1, and a first slide groove 8 and an elastic positioning buckle 9 are provided on both sides of the lock 3. The first slide groove 8 includes a first inclined slide groove 10 and a first horizontal slide groove 11 that smoothly transitions with the first inclined slide groove 10. The front end of the inner wall of the elastic positioning buckle 9 is provided with a first positioning protrusion 12 and a second positioning protrusion 13, and a positioning port 14 that cooperates with the lock positioning groove 7 is formed between the first positioning protrusion 12 and the second positioning protrusion 13. When the lock buckle 3 is pulled out and in place, the positioning port 14 is inserted into the lock buckle positioning groove 7 to fix the lock buckle 3 and prevent it from falling off. An unlocking inclined surface 15 is provided at the upper end of the first positioning protrusion 12, and an unlocking clearance gap 16 is left between the elastic positioning buckle 9 and the side wall of the lock buckle 3. The plug housing 4 is pluggable and arranged in the plug insertion cavity 5 of the socket housing 1, and the side wall of the plug housing 4 is provided with a first slider 17 adapted to the first slide groove 8 and an unlocking portion 18 applied to the unlocking inclined surface 15. The upper ends of both sides of the lock buckle 3 are provided with first slider loading ports 19 that smoothly transition with the first slide groove 8. When the plug housing 4 is inserted into the socket housing 1 and the first slider 17 slides to the bottom of the first slider loading port 19, the unlocking portion 18 applies pressure to the unlocking inclined surface 15 to move the positioning port 14 away from the lock catch positioning slot 7, so as to automatically unlock the lock catch 3, so as to ensure that the plug housing 4 can continue to be inserted normally. At this time, the lock catch 3 can be pushed inward, and the first inclined slot 10 and the first slider 17 can cooperate to drive the plug housing 4 to be inserted downward, so as to play a role of assisting. When the first slider 17 slides to the end of the first horizontal slot 11, the lock catch 3 completes the locking of the plug housing 4. When the plug housing 4 is to be pulled out, the lock catch 3 needs to be pulled out first, and during the pulling out process, the plug housing 4 can be pulled out upward with the cooperation of the first inclined slot 10 and the first slider 17, which also plays a role of assisting.

[0019] Preferably, second slide grooves 20 are provided on both sides of the lock buckle 3 corresponding to the lower front of the first slide groove 8, and the second slide groove 20 includes a second inclined slide groove 21 and a second horizontal slide groove 22 smoothly transitioning with the second inclined slide groove 21, and the side wall of the plug housing 4 is provided with a second slider 23 adapted to the second slide groove 20, and the front ends of both sides of the lock buckle 3 are provided with a second slider loading port 24 smoothly transitioning with the second slide groove 20. Through the cooperation of the two slide grooves and the two sliders, the plug housing 4 can be locked and driven to be plugged in and out more stably.

[0020] Preferably, the terminal block 2 is connected to the positioning groove 27 and the hanging platform 28 at the bottom of the socket shell 1 through the positioning flange 25 and the barb 26 at the bottom. This realizes the detachable assembly between the terminal block 2 and the socket shell 1, so as to facilitate the assembly of the female terminal, the terminal stopper 30 and the sealing ring 29. A sealing ring 29 is provided at the bottom of the terminal block 2. When the barb 26 is connected to the hanging platform 28, the bottom of the sealing ring 29 is pressed against the connection gap between the positioning flange 25 and the socket shell 1, and the side is sealed against the inner wall of the plug shell 4. Thereby, the sealing effect of the connector as a whole is achieved. And under the elastic force of the sealing ring 29, the connection between the terminal block 2 and the socket shell 1 is more stable and reliable.

[0021] Preferably, a pluggable terminal stopper 30 is provided on one side of the terminal seat 2, and the terminal stopper 30 includes a U-shaped bayonet 31 and a U-shaped side wall 32 inserted into the terminal seat 2, and a stopper surface 33 extending into the female terminal plug-in cavity 49 is provided in the U-shaped bayonet 31, and a clamping rib 34 connected to the terminal seat 2 is provided in the U-shaped bayonet 31. When the female terminal is inserted into the female terminal plug-in cavity 49, the terminal stopper 30 is inserted so that the stopper surface 33 abuts against the rear of the female terminal to play a role in stopping the female terminal from retreating. After the terminal stopper 30 is inserted, it forms an integral part with the terminal seat 2, which not only does not occupy space but also has good aesthetics. In addition, since it is arranged in the plug plug-in cavity 5 of the socket housing 1, there will be no problem of the terminal stopper falling off.

[0022] Preferably, the lock buckle 3 is provided with a positioning protrusion 35 on the side, and the socket housing 1 is provided with a positioning hole 36 that cooperates with the positioning protrusion 35. When the lock buckle 3 is inserted into place, the positioning protrusion 35 is embedded in the positioning hole 36 to fix the lock buckle 3 and prevent it from falling off.

[0023] Preferably, a power button installation opening 37 is provided at the bottom of the lock catch 3, a slidable power unlocking button 38 and a reset spring 39 for resetting the power unlocking button 38 are provided in the power button installation opening 37, a power slope 40 and a labor-saving lever portion 50 are provided at the bottom of the power unlocking button 38, and a resistance slope 41 cooperating with the power slope 40 is provided on the socket housing 1. Since the resistance of the connector at the starting position is the largest, and the positioning of the positioning protrusion 35 and the positioning hole 36, it is difficult to directly pull out the lock catch 3. The above-mentioned power unlocking button 38 structure utilizes the principle of lever. When unlocking, the labor-saving lever portion 50 is pushed upward, and under the interaction of the power slope 40 and the resistance slope 41, the lock catch 3 and the plug housing 4 can be easily pulled out.

[0024] Preferably, the bottom of the socket housing 1 is integrally formed with an insert molding part 42, and the insert molding part 42 is provided with a drawing rib 43. The socket housing 1 can be insert-molded on the cable of the automobile brake pump through the insert molding part 42, so that the connection between the two is more secure.

[0025] Preferably, the plug housing 4 is provided with positioning grooves 44 adapted to the first positioning protrusion 12 and the second positioning protrusion 13 on both sides, the second positioning protrusion 13 is provided with an inclined first guide surface 45 at the rear end, and the positioning groove 44 is provided with a second guide surface 46 at the rear end. When the lock buckle 3 is inserted into place, the first positioning protrusion 12 and the second positioning protrusion 13 are positioned in the positioning groove 44 to further fix the lock buckle 3. At the same time, the cooperation between the first guide surface 45 and the second guide surface 46 can ensure that the lock buckle 3 can be pulled out smoothly.

[0026] Preferably, a first slider positioning groove 47 and a second slider positioning groove 48 are provided at the upper end of the socket housing 1 to ensure accurate insertion of the first slider 17 and the second slider 23 .

[0027] As mentioned above, the present invention is not limited in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of the structures and technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A connector for an automobile brake pump, characterized in that: include: A socket housing (1) is provided with a plug insertion cavity (5), and one side is provided with a lock slot (6) and a lock positioning slot (7), wherein the lock slot (6) is in communication with the plug insertion cavity (5); A terminal seat (2) is arranged in the socket housing (1) and is provided with a female terminal insertion cavity (49); A lock buckle (3) is pluggably arranged in a lock buckle slot (6) of the socket housing (1), and is provided with a first slide groove (8) and an elastic positioning buckle (9) on both sides, the first slide groove (8) includes a first inclined slide groove (10) and a first horizontal slide groove (11) smoothly transitioning with the first inclined slide groove (10), a first positioning protrusion (12) and a second positioning protrusion (13) are provided at the front end of the inner wall of the elastic positioning buckle (9), a positioning opening (14) that cooperates with the lock buckle positioning groove (7) is formed between the first positioning protrusion (12) and the second positioning protrusion (13), an unlocking inclined surface (15) is provided at the upper end of the first positioning protrusion (12), and an unlocking clearance gap (16) is left between the elastic positioning buckle (9) and the side wall of the lock buckle (3); A plug housing (4) which is pluggably disposed in the plug insertion cavity (5) of the socket housing (1), and the side wall of which is provided with a first sliding block (17) adapted to the first sliding groove (8) and an unlocking portion (18) which applies pressure to the unlocking inclined surface (15); The upper ends of both sides of the lock buckle (3) are provided with first slide block insertion openings (19) which smoothly transition with the first slide groove (8); when the plug housing (4) is inserted into the socket housing (1) and the first slide block (17) slides to the bottom of the first slide block insertion opening (19), the unlocking portion (18) applies pressure to the unlocking inclined surface (15) so that the positioning opening (14) is away from the lock buckle positioning groove (7).

2. The connector for an automobile brake pump according to claim 1, characterized in that: Second slide grooves (20) are provided on both sides of the lock buckle (3) corresponding to the lower front of the first slide groove (8), and the second slide groove (20) includes a second inclined slide groove (21) and a second horizontal slide groove (22) smoothly transitioning with the second inclined slide groove (21). The side wall of the plug housing (4) is provided with a second slide block (23) adapted to the second slide groove (20), and the front ends of both sides of the lock buckle (3) are provided with second slide block installation openings (24) smoothly transitioning with the second slide groove (20).

3. The connector for an automobile brake pump according to claim 1, characterized in that: The terminal seat (2) is connected to the positioning groove (27) and the hanging platform (28) at the bottom of the socket housing (1) respectively via the positioning flange (25) and the barb (26) at the bottom.

4. The connector for an automobile brake pump according to claim 3, characterized in that: A sealing ring (29) is provided at the bottom of the terminal seat (2); when the barb (26) is connected to the hanging platform (28), the bottom of the sealing ring (29) is pressed against the connection gap between the positioning flange (25) and the socket housing (1), and the side is sealed against the inner wall of the plug housing (4).

5. The connector for an automobile brake pump according to claim 1, characterized in that: A pluggable terminal stopper (30) is provided on one side of the terminal seat (2), the terminal stopper (30) comprising a U-shaped bayonet (31) inserted into the terminal seat (2) and a U-shaped side wall (32), a stopper surface (33) extending into the female terminal insertion cavity (49) is provided in the U-shaped bayonet (31), and a clamping rib (34) connected to the terminal seat (2) is provided on the U-shaped side wall (32).

6. The connector for an automobile brake pump according to claim 1, characterized in that: A positioning protrusion (35) is provided on the side of the lock buckle (3), and a positioning hole (36) matching with the positioning protrusion (35) is provided on the side of the socket housing (1).

7. The connector for an automobile brake pump according to claim 1, characterized in that: The lock buckle (3) is provided with a power button mounting opening (37) at the bottom, a slidable power unlocking button (38) and a reset spring (39) for resetting the power unlocking button (38) are provided in the power button mounting opening (37), a power inclined surface (40) and a labor-saving lever portion (50) are provided at the bottom of the power unlocking button (38), and a resistance inclined surface (41) cooperating with the power inclined surface (40) is provided on the socket housing (1).

8. The connector for an automobile brake pump according to claim 1, characterized in that: An insert molding portion (42) is integrally formed at the bottom of the socket housing (1), and a drawing rib (43) is provided on the insert molding portion (42).

9. The connector for an automobile brake pump according to claim 1, characterized in that: Positioning grooves (44) adapted to the first positioning protrusion (12) and the second positioning protrusion (13) are provided on both sides of the plug housing (4); a first guiding surface (45) arranged obliquely is provided at a rear end of the second positioning protrusion (13); and a second guiding surface (46) is provided at a rear end of the positioning groove (44).

10. The connector for an automobile brake pump according to claim 2, characterized in that: The upper end of the socket housing (1) is provided with a first slider positioning groove (47) and a second slider positioning groove (48).

Images