Energy storage high-voltage connector

Abstract

The utility model discloses an energy storage high-voltage connector, which comprises a plug structure and a socket structure electrically connected with the plug structure, the plug structure comprises a shell, the socket structure comprises a rubber shell movably mounted in the shell, an integrally formed terminal is arranged in the shell, a crown spring is arranged in the integrally formed terminal, and the crown spring is connected with the shell. An inner conductor is arranged in the rubber shell, and the inner conductor is installed in the crown spring and is electrically connected with the integrally-formed terminal through the crown spring. The energy storage high-voltage connector has the advantages of safety and stability, and solves the problems that an existing energy storage high-voltage connector is poor in safety in the using process, a user is likely to touch an unlocking switch by mistake, a plug and a socket are separated and loosened, the sealing performance is poor, the internal structure of the connector is likely to be corroded and damaged, and the service life of the connector is prolonged. And the service life of the connector is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of power systems, in particular to an energy storage high-voltage connector. Background Art

[0002] Energy storage high-voltage connectors are specialized equipment used in power systems, pure electric or hybrid vehicles, which require safe, reliable and efficient electrical connections between energy storage facilities such as batteries and drive motors or other loads. It has the characteristics of high voltage resistance, arc resistance, and vibration resistance. The reasons for using energy storage high-voltage connectors include the following: Through specially designed interfaces and locking mechanisms, it is ensured that there will be no unplugging incidents even in harsh environments such as vibration and impact. In addition, they can withstand high voltages of up to thousands of volts, prevent arcing, and ensure the safety of users and equipment. Its materials and manufacturing processes are carefully selected and optimized to ensure long-term and stable operation under various working conditions. It provides a quick and easy way to connect or disconnect electrical equipment, greatly reducing downtime and costs when equipment needs to be repaired, replaced or inspected. Many energy storage high-voltage connectors are designed as universal types to adapt to engines and electric drive systems, and meet the design needs of various reference or OEM products.

[0003] The existing energy storage high-voltage connector has poor safety during use, which may easily cause the user to accidentally touch the unlocking switch, resulting in the plug and socket being separated and loosened. The sealing is also poor, which may easily cause the internal structure of the connector to be corroded and damaged, reducing the service life of the connector. Utility Model Content

[0004] The purpose of the utility model is to provide an energy storage high-voltage connector, which has the advantages of safety and stability, and solves the problem that the existing energy storage high-voltage connector has poor safety during use, which easily causes the user to accidentally touch the unlocking switch, resulting in the separation and loosening between the plug and the socket, and the sealing is poor, which easily causes the internal structure of the connector to be corroded and damaged, thereby reducing the service life of the connector.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy storage high-voltage connector, comprising a plug structure and a socket structure electrically connected thereto, the plug structure comprising a shell, the socket structure comprising a plastic shell movably mounted inside the shell, an integrally formed terminal is arranged inside the shell, a crown spring is arranged inside the integrally formed terminal, an inner conductor is arranged inside the plastic shell, the inner conductor is mounted inside the crown spring, and is electrically connected to the integrally formed terminal through the crown spring,

[0006] A key mechanism is movably connected inside the shell, and the key mechanism includes a key body, a locking key that can be moved up and down is movably connected to the key body, a first arc-shaped card slot and a second arc-shaped card slot are respectively provided on the front and rear sides of the key body, an arc-shaped damping protrusion used in conjunction with the first arc-shaped card slot and the second arc-shaped card slot is provided on the inner wall of the locking key, a sliding groove is provided on the right side of the key body, a sliding rod movably connected to the inner wall of the sliding groove is provided on the inner wall of the locking key, a fixing head for limiting the position of the plastic shell is provided on the top of the key body, an elastic claw is provided on the front side of the key body, and a spring is installed on the inner wall of the key body;

[0007] A nut sleeve is provided on the threaded sleeve at the bottom of the shell, a wiring harness conductor is provided inside the nut sleeve, a waterproof sleeve is provided on the surface of the wiring harness conductor for sealing, three corrugated grooves are provided inside the waterproof sleeve, a support sleeve is provided on the inner wall of the nut sleeve for limiting the waterproof sleeve, and a crimping ring is provided between the surface of the wiring harness conductor and the inner wall of the one-piece molded terminal to increase the connection firmness.

[0008] As a preferred energy storage high-voltage connector of the utility model, a waterproof pad is connected to one side of the plastic shell.

[0009] As a preferred energy storage high-voltage connector of the utility model, the front end of the one-piece terminal is provided with a pressure cover, the one-piece terminal and the pressure cover surface are provided with a mounting sleeve, the surface of the mounting sleeve is provided with a first anti-foolproof key, and the inner wall of the plastic shell is provided with a second anti-foolproof key that engages with the first anti-foolproof key.

[0010] As a preferred energy storage high-voltage connector of the utility model, the surface of the plastic shell is provided with anti-rotation teeth, and the inner wall of the shell is provided with anti-rotation grooves used in conjunction with the anti-rotation teeth.

[0011] As a preferred energy storage high-voltage connector of the utility model, the top of the nut sleeve is provided with a triangular anti-loosening tooth, the bottom of the shell is provided with an annular anti-loosening tooth, and a waterproof ring is provided on the opposite side of the triangular anti-loosening tooth and the annular anti-loosening tooth.

[0012] As a preferred energy storage high-voltage connector of the utility model, the inner wall of the shell is provided with a waterproof corrugated ring, and the surface of the waterproof corrugated ring is movably connected to the inner wall of the plastic shell.

[0013] As a preferred energy storage high-voltage connector of the utility model, a clamping hole is opened on the surface of the shell, and the claw head of the elastic clamping claw extends into the clamping hole.

[0014] As a preferred energy storage high-voltage connector of the utility model, the one-piece molded terminal is provided with an anti-touch finger inside, the inner conductor is connected with an insulating cap, the insulating cap is sleeved on the surface of the anti-touch finger, and the raised part of the anti-touch finger surface drives the waterproof corrugated ring to stretch and fix the inner conductor.

[0015] As a preferred energy storage high-voltage connector of the utility model, a sealing ring is sleeved on the surface of the inner conductor, and the sealing ring is movably connected to the inner wall of the plastic shell.

[0016] As a preferred energy storage high-voltage connector of the utility model, the top of the support sleeve is movably connected to the bottom of the shell, a plurality of anti-slip strips are arranged on the surface of the nut sleeve, a hidden button track is arranged inside the shell, and the button mechanism is located inside the hidden button track.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model can realize the rapid disassembly of the socket structure by setting a button mechanism, and the button mechanism adopts a two-stage unlocking structure. By adopting a split button mechanism, unlocking requires two steps of horizontal pushing and vertical pressing to prevent accidental contact and misoperation from causing circuit breaking, effectively enhancing the structural stability and durability, and increasing the safety of high-voltage connector use. When unlocking is required, push the locking key downward, the locking key moves to the second arc-shaped slot, and press the button body to unlock. After locking, pull the locking key upward, the locking key moves to the first arc-shaped slot, and the locking key moves to the surface of the shell to prevent the button body from moving left and right. During the unlocking process of the button body, the elastic claw is driven to disengage from the card hole, and the spring is squeezed to move the fixed head away from the surface of the plastic shell, thereby releasing the limit on the plastic shell.

[0019] 2. When the plastic shell of the utility model is inserted into the shell, the installation angle can be adjusted arbitrarily. After the installation is completed, the first anti-foolproof key and the second anti-foolproof key are engaged and assembled together to make the connection between the plastic shell and the shell more stable, and the anti-rotation tooth is inserted into the anti-rotation groove on the inner wall of the shell to prevent the plastic shell from rotating on the inner wall of the shell.

[0020] 3. The one-piece terminal of the utility model adopts a cold pressing process and is formed in one step, which not only reduces the cost but also avoids the problems of excessive internal resistance and uneven force caused by welding and riveting.

[0021] 4. The utility model can prevent water and air from entering the connection between the wiring harness conductor and the nut sleeve by arranging a waterproof sleeve on the surface of the wiring harness conductor. The corrugated groove inside the waterproof sleeve is forced to expand inward, squeezing the surface of the wiring harness conductor to enhance the sealing effect, and the support sleeve limits the top of the waterproof sleeve, and the nut sleeve limits the bottom of the waterproof sleeve, so that the corrugated groove can only expand inward.

[0022] 5. The utility model can increase the sealing performance of the connection between the shell and the nut sleeve by using triangular anti-loosening teeth, annular anti-loosening teeth and a waterproof ring. The waterproof ring is arranged between the shell and the nut sleeve. After the nut sleeve is screwed on the bottom of the shell, the triangular anti-loosening teeth and the annular anti-loosening teeth squeeze the waterproof ring at the same time, which can not only seal but also prevent the nut sleeve from loosening.

[0023] 6. The utility model can make the assembly of the wire harness conductor more secure by providing a crimping ring. The crimping ring is an optional part with various specifications. The corresponding crimping ring is selected according to the wire harness conductors of different diameters. The crimping ring is sleeved on the top of the wire harness conductor and installed on the inner wall of the one-piece terminal to prevent the wire harness conductor from detaching from the one-piece terminal.

[0024] 7. The utility model can fix the inner conductor through the coordinated use of the anti-touch finger and the insulating cap, thereby increasing the stability of the connection between the inner conductor and the one-piece molded terminal. In addition, the utility model is insulated and does not conduct electricity, thereby increasing the safety of the high-voltage connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is the main axonometric drawing of the utility model;

[0026] Figure 2 It is the left axonometric drawing of the utility model;

[0027] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the front cross-sectional view of the utility model;

[0029] Figure 5 This is a rear exploded view of the utility model;

[0030] Figure 6 This is an exploded diagram of the socket structure of the utility model;

[0031] Figure 7 This is an exploded diagram of the plug structure of the utility model;

[0032] Figure 8 An exploded view of the terminal of the utility model and its internal structure;

[0033] Fig. 9 This is the main axonometric view of the key mechanism of the utility model;

[0034] Fig.10 This is a left axonometric view of the button mechanism of the utility model;

[0035] Fig.11 This is the main axonometric view of the nut sleeve of the utility model;

[0036] Fig.12This is the main axonometric view of the housing of the utility model;

[0037] Fig.13 This is a bottom-up axonometric view of the housing of the utility model;

[0038] Fig.14 It is a left axonometric drawing of the utility model.

[0039] In the figure: 1, housing; 2, key mechanism; 201, key body; 202, slide groove; 203, locking key; 204, fixed head; 205, spring; 206, first arc-shaped slot; 207, elastic claw; 208, second arc-shaped slot; 209, slide rod; 3, nut sleeve; 4, wire harness conductor; 5, inner conductor; 6, waterproof pad; 7, plastic shell; 8, card hole; 9, installation sleeve; 10, first anti-fouling key; 11. One-piece terminal; 12. Waterproof ring; 13. Support sleeve; 14. Waterproof sleeve; 15. Crimp ring; 16. Sealing ring; 17. Gland; 18. Crown spring; 19. Anti-touch finger; 20. Anti-rotation tooth; 21. Second foolproof key; 22. Triangular anti-loosening tooth; 23. Annular anti-loosening tooth; 24. Insulation cap; 25. Waterproof corrugated ring; 26. Corrugated groove; 27. Anti-rotation groove; 28. Hidden key track. DETAILED DESCRIPTION

[0040] See also Figure 1-Figure 14 A high-voltage energy storage connector includes a plug structure and a socket structure electrically connected thereto, wherein the plug structure includes a shell 1, and the socket structure includes a plastic shell 7 movably mounted inside the shell 1, an integrally formed terminal 11 is arranged inside the shell 1, and a crown spring 18 is arranged inside the integrally formed terminal 11, and an inner conductor 5 is arranged inside the plastic shell 7, and the inner conductor 5 is installed inside the crown spring 18 and is electrically connected to the integrally formed terminal 11 through the crown spring 18.

[0041] The power is conducted to the integrally formed terminal 11 through the harness conductor 4 and the crimping ring 15 , and the integrally formed terminal 11 transmits the power to the inner conductor 5 through the crown spring 18 inside the integrally formed terminal 11 , thereby transmitting the power.

[0042] The one-piece formed terminal 11 is formed in one step by cold pressing, which not only reduces the cost but also avoids the problems of excessive internal resistance and uneven force caused by welding and riveting.

[0043] Furthermore, a button mechanism 2 is movably connected inside the shell 1, and the button mechanism 2 includes a button body 201, on which a locking key 203 that can be moved up and down is movably connected, a first arc-shaped slot 206 and a second arc-shaped slot 208 are respectively provided on the front and rear sides of the button body 201, and an arc-shaped damping protrusion used in conjunction with the first arc-shaped slot 206 and the second arc-shaped slot 208 is provided on the inner wall of the locking key 203, a slide groove 202 is provided on the right side of the button body 201, and a slide rod 209 movably connected to the inner wall of the slide groove 202 is provided on the inner wall of the locking key 203, a fixed head 204 for limiting the rubber shell 7 is provided on the top of the button body 201, an elastic claw 207 is provided on the front side of the button body 201, and a spring 205 is installed on the inner wall of the button body 201.

[0044] Furthermore, a hidden button track 28 is provided inside the shell 1, and the button mechanism 2 is located inside the hidden button track 28. By providing the hidden button track 28, the button mechanism 2 can be limited to prevent it from shaking during movement.

[0045] By setting up the button mechanism 2, the socket structure can be quickly disassembled, and the button mechanism 2 adopts a two-stage unlocking structure. By adopting a split button mechanism 2, unlocking requires two steps of horizontal pushing and vertical pressing to prevent accidental contact and misoperation from causing circuit breaking, effectively enhancing the structural stability and durability, and increasing the safety of the high-voltage connector. When unlocking is required, push the locking key 203 downward, the locking key 203 moves to the second arc-shaped slot 208, and press the button body 201 to unlock. After locking, pull the locking key 203 upward, the locking key 203 moves to the first arc-shaped slot 206, and the locking key 203 moves to the surface of the shell 1 to prevent the button body 201 from moving left and right. During the unlocking process of the button body 201, the elastic claw 207 is driven to disengage from the card hole 8, and the spring 205 is squeezed to move the fixed head 204 away from the surface of the plastic shell 7, thereby releasing the limit on the plastic shell 7.

[0046] Furthermore, a nut sleeve 3 is provided on the threaded sleeve at the bottom of the shell 1, a wiring harness conductor 4 is provided inside the nut sleeve 3, a waterproof sleeve 14 is provided on the surface of the wiring harness conductor 4 for sealing, three corrugated grooves 26 are provided inside the waterproof sleeve 14, a support sleeve 13 is provided on the inner wall of the nut sleeve 3 for limiting the waterproof sleeve 14, and a crimping ring 15 is provided between the surface of the wiring harness conductor 4 and the inner wall of the integrally formed terminal 11 to increase the connection firmness.

[0047] By setting the crimping ring 15, the assembly of the wiring harness conductor 4 can be made more secure. The crimping ring 15 is an optional part with various specifications. The corresponding crimping ring 15 is selected according to the wiring harness conductor 4 of different diameters. The crimping ring 15 is sleeved on the top of the wiring harness conductor 4 and installed on the inner wall of the integrally formed terminal 11 to prevent the wiring harness conductor 4 from detaching from the integrally formed terminal 11.

[0048] By sleeved the surface of the wiring harness conductor 4 with a waterproof sleeve 14, water and air can be prevented from entering the connection between the wiring harness conductor 4 and the nut sleeve 3. The corrugated groove 26 inside the waterproof sleeve 14 is forced to expand inward, squeezing the surface of the wiring harness conductor 4 to enhance the sealing effect.

[0049] Furthermore, a waterproof pad 6 is connected to one side of the plastic shell 7 , and a sealing ring 16 is sleeved on the surface of the inner conductor 5 , and the sealing ring 16 is movably connected to the inner wall of the plastic shell 7 .

[0050] When the plastic shell 7 is installed on the device, the waterproof pad 6 is located between the plastic shell 7 and the installation position to increase the sealing performance. The sealing ring 16 increases the sealing performance of the connection between the inner conductor 5 and the plastic shell 7 to prevent water and air from entering the interior of the plastic shell 7.

[0051] Furthermore, a pressure cover 17 is provided at the front end of the one-piece terminal 11, and a mounting sleeve 9 is provided on the surface of the one-piece terminal 11 and the pressure cover 17. A first anti-foolproofing key 10 is provided on the surface of the mounting sleeve 9. A second anti-foolproofing key 21 engaged with the first anti-foolproofing key 10 is provided on the inner wall of the plastic shell 7. An anti-rotation tooth 20 is provided on the surface of the plastic shell 7, and an anti-rotation groove 27 used in conjunction with the anti-rotation tooth 20 is opened on the inner wall of the shell 1.

[0052] When the plastic shell 7 is inserted into the shell 1, the installation angle can be adjusted at will. After the installation is completed, the first anti-foolproof key 10 and the second anti-foolproof key 21 are meshed and assembled together, making the connection between the plastic shell 7 and the shell 1 more stable, and the anti-rotation tooth 20 is inserted into the anti-rotation groove 27 on the inner wall of the shell 1 to prevent the plastic shell 7 from rotating on the inner wall of the shell 1.

[0053] Furthermore, a triangular anti-loosening tooth 22 is provided on the top of the nut sleeve 3, an annular anti-loosening tooth 23 is provided on the bottom of the shell 1, and a waterproof ring 12 is provided on the opposite side of the triangular anti-loosening tooth 22 and the annular anti-loosening tooth 23.

[0054] By using the triangular anti-loosening teeth 22, the annular anti-loosening teeth 23 and the waterproof ring 12 in combination, the sealing of the connection between the shell 1 and the nut sleeve 3 can be increased. The waterproof ring 12 is arranged between the shell 1 and the nut sleeve 3. After the nut sleeve 3 is screwed onto the bottom of the shell 1, the triangular anti-loosening teeth 22 and the annular anti-loosening teeth 23 squeeze the waterproof ring 12 at the same time, which can not only seal but also prevent the nut sleeve 3 from loosening.

[0055] Furthermore, a waterproof corrugated ring 25 is provided on the inner wall of the shell 1 , and the surface of the waterproof corrugated ring 25 is movably connected to the inner wall of the plastic shell 7 , and the waterproof corrugated ring 25 increases the sealing of the connection between the shell 1 and the plastic shell 7 .

[0056] Furthermore, a clamping hole 8 is opened on the surface of the housing 1, and the claw head of the elastic clamping claw 207 extends into the clamping hole 8. The clamping hole 8 can limit the elastic clamping claw 207 to prevent the button body 201 from loosening.

[0057] Furthermore, an anti-touch finger 19 is provided inside the integrally formed terminal 11, and an insulating cap 24 is connected to the inner conductor 5. The insulating cap 24 is sleeved on the surface of the anti-touch finger 19, and the raised portion on the surface of the anti-touch finger 19 drives the waterproof corrugated ring 25 to extend and fix the inner conductor 5.

[0058] The inner conductor 5 can be fixed by using the anti-touch finger 19 and the insulating cap 24, thereby increasing the stability of the connection between the inner conductor 5 and the integrally formed terminal 11. In addition, the inner conductor 5 is insulated and does not conduct electricity, thereby increasing the safety of the high-voltage connector.

[0059] Furthermore, the top of the support sleeve 13 is movably connected to the bottom of the shell 1 , and a plurality of anti-slip strips are provided on the surface of the nut sleeve 3 , which increase the friction force on the surface of the nut sleeve 3 .

[0060] The support sleeve 13 limits the top of the waterproof sleeve 14, and the nut sleeve 3 limits the bottom of the waterproof sleeve 14, so that the corrugated groove 26 can only expand inwards.

[0061] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy storage high-voltage connector, comprising a plug structure and a socket structure electrically connected thereto, the plug structure comprising a housing (1), the socket structure comprising a plastic shell (7) movably mounted inside the housing (1), an integrally formed terminal (11) being arranged inside the housing (1), a crown spring (18) being arranged inside the integrally formed terminal (11), an inner conductor (5) being arranged inside the plastic shell (7), the inner conductor (5) being mounted inside the crown spring (18) and being electrically connected to the integrally formed terminal (11) through the crown spring (18), characterized in that: A key mechanism (2) is movably connected inside the housing (1), and the key mechanism (2) comprises a key body (201), and a locking key (203) that can be moved up and down is movably connected to the key body (201), and a first arc-shaped card slot (206) and a second arc-shaped card slot (208) are respectively provided on the front and rear sides of the key body (201), and the inner wall of the locking key (203) is provided with a first arc-shaped card slot (206) and a second arc-shaped card slot (208) that are connected to the first arc-shaped card slot (206) and the second arc-shaped card slot (208). 8) an arc-shaped damping protrusion for use with the key body (201), a slide groove (202) is provided on the right side of the key body (201), a slide rod (209) movably connected to the inner wall of the slide groove (202) is provided on the inner wall of the locking key (203), a fixed head (204) for limiting the position of the plastic shell (7) is provided on the top of the key body (201), an elastic claw (207) is provided on the front side of the key body (201), and a spring (205) is installed on the inner wall of the key body (201); A nut sleeve (3) is threadedly sleeved at the bottom of the shell (1), a wiring harness conductor (4) is arranged inside the nut sleeve (3), a waterproof sleeve (14) is sleeved on the surface of the wiring harness conductor (4) for sealing, three corrugated grooves (26) are opened inside the waterproof sleeve (14), a support sleeve (13) is provided on the inner wall of the nut sleeve (3) for limiting the waterproof sleeve (14), and a crimping ring (15) is provided between the surface of the wiring harness conductor (4) and the inner wall of the integrally formed terminal (11) to increase the connection firmness.

2. An energy storage high voltage connector according to claim 1, characterized in that: One side of the plastic shell (7) is connected to a waterproof pad (6).

3. The energy storage high voltage connector according to claim 1, characterized in that: The front end of the integrally formed terminal (11) is provided with a pressure cover (17), the surfaces of the integrally formed terminal (11) and the pressure cover (17) are sleeved with a mounting sleeve (9), the surface of the mounting sleeve (9) is provided with a first foolproof key (10), and the inner wall of the plastic shell (7) is provided with a second foolproof key (21) engaged with the first foolproof key (10).

4. The energy storage high voltage connector according to claim 1, characterized in that: The surface of the plastic shell (7) is provided with anti-rotation teeth (20), and the inner wall of the housing (1) is provided with anti-rotation grooves (27) used in conjunction with the anti-rotation teeth (20).

5. The energy storage high voltage connector according to claim 1, characterized in that: The top of the nut sleeve (3) is provided with a triangular anti-loosening tooth (22), the bottom of the housing (1) is provided with an annular anti-loosening tooth (23), and a waterproof ring (12) is provided on the opposite side of the triangular anti-loosening tooth (22) and the annular anti-loosening tooth (23).

6. The energy storage high voltage connector according to claim 1, characterized in that: The inner wall of the housing (1) is provided with a waterproof corrugated ring (25), and the surface of the waterproof corrugated ring (25) is movably connected to the inner wall of the plastic shell (7).

7. The energy storage high voltage connector according to claim 1, characterized in that: A clamping hole (8) is provided on the surface of the housing (1), and the claw head of the elastic clamping claw (207) extends into the clamping hole (8).

8. The energy storage high voltage connector according to claim 1, characterized in that: An anti-touch finger (19) is provided inside the integrally formed terminal (11), an insulating cap (24) is connected inside the inner conductor (5), the insulating cap (24) is sleeved on the surface of the anti-touch finger (19), and a raised portion on the surface of the anti-touch finger (19) drives the waterproof corrugated ring (25) to extend and fix the inner conductor (5).

9. The energy storage high voltage connector according to claim 1, characterized in that: A sealing ring (16) is sleeved on the surface of the inner conductor (5), and the sealing ring (16) is movably connected to the inner wall of the plastic shell (7).

10. The energy storage high voltage connector according to claim 1, characterized in that: The top of the support sleeve (13) is movably connected to the bottom of the shell (1), a plurality of anti-slip strips are arranged on the surface of the nut sleeve (3), a hidden key track (28) is arranged inside the shell (1), and the key mechanism (2) is located inside the hidden key track (28).

Images