CN219067328U

CN219067328U - Onboard DC connector

Info

Publication number: CN219067328U
Application number: CN202223400560.5U
Authority: CN
Inventors: 钱志华; 陆凯民; 王晔
Original assignee: Jiangsu Handa Power Technology Co ltd
Current assignee: Jiangsu Handa Power Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-23
Anticipated expiration: 2032-12-19

Abstract

The utility model provides a board-mounted direct current connector, and belongs to the technical field of connectors. The on-board direct current connector is used for being electrically connected with equipment and comprises an on-board component and a terminal component, wherein the on-board component comprises a base and a through hole penetrating through the base, and a clamping groove is formed in the inner side wall of the through hole; the terminal assembly comprises a rubber core and a conductive terminal accommodated in the rubber core, the rubber core comprises a plug-in end and a clamping piece arranged at the plug-in end, the plug-in end is used for being inserted into the through hole and enabling the clamping piece to be clamped in the clamping groove, the rubber core is connected with the base in a clamping mode, and the conductive terminal stretches into the equipment and is electrically connected with the equipment. According to the on-board direct current connector, the rubber core and the base are in snap-fit connection, so that the base can be directly placed in equipment, then the on-board component can be installed on the equipment by means of snap-fit connection of the rubber core and the base, the occupied space of the on-board direct current connector in the equipment is reduced, and meanwhile the on-board direct current connector and the equipment are quickly and conveniently assembled.

Description

Onboard DC connector

Technical Field

The utility model relates to a board-mounted direct current connector, and belongs to the technical field of connectors.

Background

At present, the quick-plug connector is widely applied to almost all electronic power utilization industries such as automobiles, aerospace, communication, industrial control, electric power, medical treatment and the like. With the development of industry, people tend to miniaturize the equipment, so that the occupied space of the equipment can be small on the premise of having the original functions, and therefore, the volume of the equipment is reduced as much as possible for each equipment manufacturer.

The existing connector is usually to pass a part of the connector through a shell of the device, and a locking member connected with the connector is arranged inside the device to fix the connector on the device, that is, a space for installing the connector needs to be reserved inside the device, so that an operator can install the connector on the device, but the connection mode occupies a larger device space, and on the other hand, the connection mode between the connector and the device is complex, so that the operation of the operator is inconvenient.

In view of the foregoing, there is a need for an improved connector that solves the above-described problems.

Disclosure of Invention

The utility model aims to provide an on-board direct current connector, which solves the problems of large occupied space and complex connection mode of the existing connector in equipment.

In order to achieve the above object, the present utility model provides an onboard dc connector for electrically connecting with a device, the onboard dc connector comprising:

the on-board assembly comprises a base, wherein a through hole is formed in the base, and a clamping groove is formed in the inner side wall of the through hole; a kind of electronic device with high-pressure air-conditioning system

The terminal assembly comprises a rubber core and a conductive terminal accommodated in the rubber core, the rubber core comprises a plug end and a clamping piece arranged at the plug end, the plug end is used for being inserted into the through hole and enabling the clamping piece to be clamped in the clamping groove, the rubber core is connected with the base in a clamping mode, and the conductive terminal stretches into the equipment and is electrically connected with the equipment.

As a further improvement of the utility model, the outer wall surface of the plug-in end is provided with a positioning groove, the base also comprises a positioning block arranged on the inner side wall of the through hole, and when the plug-in end is inserted into the through hole and slides along the through hole, the positioning block is accommodated in the positioning groove and slides along the positioning groove.

As a further improvement of the utility model, the positioning blocks are provided with two opposite positioning grooves, and the positioning grooves are provided with two positioning blocks corresponding to the positioning blocks.

As a further improvement of the utility model, the plug-in end is provided with a movable area, the clamping piece is accommodated in the movable area and can elastically deform relative to the movable area, the clamping piece comprises a clamping end and a clamping plate, the clamping plate and the plug-in end are integrally formed and extend towards the inside of the movable area, and the clamping end is arranged at the tail end of the clamping plate and protrudes towards the direction away from the movable area.

As a further improvement of the utility model, the through hole is matched with the insertion end, the clamping groove is arranged at one end of the base far away from the terminal assembly, and when the insertion end is inserted into the through hole and slides along the through hole, the clamping end is abutted with the inner side wall of the through hole and slides along the inner side wall until the clamping end is clamped into the clamping groove.

As a further improvement of the utility model, the rubber core is provided with a through accommodating cavity for accommodating the conductive terminal; the movable area is communicated with the accommodating cavity, two opposite movable areas are arranged, two clamping pieces are arranged corresponding to the movable areas, and two clamping grooves are also arranged corresponding to the clamping pieces.

As a further improvement of the utility model, the base comprises an inner end and an outer end, the inner end is provided with an abutting piece protruding outwards from the outer edge of the base, the outer end is configured to penetrate out from the inside of the equipment and enable the abutting piece to abut against the inner wall surface of the equipment, and the clamping groove is formed in one side of the inner end away from the outer end.

As a further improvement of the utility model, the on-board assembly further comprises a sealing member and a locking plate member, wherein the locking plate member is used for being in threaded connection with the outer end of the machine, and the sealing member is arranged between the locking plate member and the abutting member so as to seal a gap between the on-board assembly and equipment.

As a further improvement of the utility model, the base is arranged in a cylindrical shape, and the diameter of the inner end of the machine is larger than that of the outer end of the machine.

As a further improvement of the utility model, the outer side wall of the outer end of the machine is provided with a limiting surface and a thread structure, the limiting surface is a plane and extends from the free end of the outer end of the machine to one side of the abutting piece, and the thread structure is separated by the limiting surface.

The beneficial effects of the utility model are as follows: according to the on-board direct current connector, the rubber core and the base are in snap-fit connection, so that the base can be directly placed in equipment, then the on-board component can be installed on the equipment by means of snap-fit connection of the rubber core and the base, the occupied space of the on-board direct current connector in the equipment is reduced, and meanwhile the on-board direct current connector and the equipment are quickly and conveniently assembled.

Drawings

Fig. 1 is a schematic perspective view of an onboard dc connector according to a preferred embodiment of the present utility model.

Fig. 2 is a cross-sectional view of the board-mounted dc female connector of fig. 1.

Fig. 3 is a cross-sectional view of the board-mounted dc female connector of fig. 1 at another angle.

Fig. 4 is an exploded view of the board-mounted dc female connector of fig. 1.

Fig. 5 is a perspective view of the base of fig. 4.

Fig. 6 is a schematic perspective view of the core of fig. 4.

Fig. 7 is an enlarged view of a portion of the clip of fig. 6.

Fig. 8 is an exploded view of the dc-loaded male connector of fig. 1.

Reference numerals illustrate: the on-board direct current connector 300, the on-board direct current male connector 200, the connector/on-board direct current female connector 100, the on-board component 1, the base 11, the through hole 111, the limit surface 112, the inboard end 113, the clamping groove 114, the locating block 115, the abutting piece 116, the outboard end 117, the sealing piece 12 and the locking plate piece 13; terminal assembly 2, conductive terminal 21, rubber core 22, plug end 221, movable area 222, clamping piece 223, clamping end 2231, clamping plate 2234, positioning groove 224, sealing groove 225, connecting end 226, holding cavity 227, sealing gasket 228, and limiting piece 23.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the present utility model discloses an onboard dc connector 300 electrically connected to a device (not shown) to input a current or signal to the device or output a current or signal from the device. Specifically, the device includes a housing (not shown) and a connection hole (not shown) formed in the housing, and one end of the onboard dc connector 300 extends into the device through the connection hole, and makes the onboard dc connector 300 electrically connected with electronic components in the device, so as to output current or signals in the device outwards through the onboard dc connector 300, or input external current or signals into the device through the onboard dc connector 300.

The onboard dc connector 300 includes an onboard dc male connector 200 and an onboard dc female connector 100, and the technical solution can be used for the onboard dc male connector 200 and the onboard dc female connector 100, for convenience of description, the onboard dc female connector 100 (hereinafter referred to as the connector 100) is described in the following description by way of example, but not by way of limitation.

Referring to fig. 2 to 4, the connector 100 includes a board-mounted assembly 1 and a terminal assembly 2, the board-mounted assembly 1 is used for being connected with a device, the terminal assembly 2 is connected with the board-mounted assembly 1, so that the terminal assembly 2 is conveniently connected with the device, specifically, the board-mounted assembly 1 includes a base 11 and a locking plate 13, a part of the base 11 passes through a connecting hole from the inside of the device to be connected with the locking plate 13, the terminal assembly 2 includes a rubber core 22 and a conductive terminal 21 accommodated in the rubber core 22, one end of the rubber core 22 extends into the base 11 and is in snap connection with the base 11, and the conductive terminal 21 extends into the device and is electrically connected with the device. Specifically, when the on-board component 1 is connected with the device, the lock plate 13 is placed outside the device and corresponds to the connecting hole, a part of the base 11 passes through the connecting hole from the inside of the device to be connected with the lock plate 13 outside the device, and one end of the base 11, which is far away from the lock plate 13, is placed inside the device and is abutted against the shell, so that the whole of the base 11 is prevented from passing through the connecting hole, and the shell is limited between the lock plate 13 and the base 11, namely, the on-board component 1 is installed on the device through the connecting hole.

As shown in fig. 5, the base 11 includes an inner end 113 and an outer end 117, the inner end 113 is provided with an abutment 116 protruding outwards from the outer edge of the base 11, the outer end 117 is configured to penetrate from the inside of the device and make the abutment 116 abut against the inner wall surface of the device, and the lock plate 13 is sleeved outside the outer end 117 to limit the housing between the lock plate 13 and the abutment 116. Specifically, the base 11 is cylindrical, the diameter of the inner end 113 is larger than that of the outer end 117, the abutting piece 116 is annular, and the abutting piece 116 is connected to the tail end of the inner end 113, so that the base 11 extends out of the casing as far as possible, and the inner space of the equipment is prevented from being occupied.

The outer wall surface of the outer end 117 is provided with a limiting surface 112 and a thread structure, specifically, the outer wall surface of the outer end 117 is provided with external threads, the lock plate 13 is provided with internal threads, when the lock plate 13 is sleeved on the outer end 117, the internal threads and the external threads are mutually embedded, so that the lock plate 13 is in threaded connection with the outer end 117, and the connection strength of the lock plate 13 and the base 11 is improved. Of course, in other embodiments, the lock plate 13 and the base 11 may be connected by other means, such as a snap connection, a connection glue connection, etc., so long as the housing can be limited between the lock plate 13 and the base 11 for the purpose of being not limited herein.

The limiting surface 112 is a plane and extends from the free end of the outer end 117 toward the abutting part 116, so that the threaded structure on the outer wall surface of the outer end 117 is separated by the limiting surface 112, a limiting edge (not shown) corresponding to the limiting surface 112 is arranged on the connecting hole, and part of the base 11 passes through the connecting hole, so that the limiting edge abuts against the limiting surface 112. Specifically, the base 11 is cylindrically arranged, and the limiting surface 112 is disposed at the outer side of the base 11, specifically on the outer side surface of the outer end 117, so that a complete outer circumference cannot be formed at the outer side of the outer end 117; the connecting hole is circular, and the limiting edge is arranged in the connecting hole, so that the connecting hole cannot form a complete circle, wherein the size and the shape of the outer end 117 of the machine are the same as those of the connecting hole, so that the outer end 117 of the machine can outwards extend from the inside of the device through the connecting hole, and when the outer end 117 of the machine is accommodated in the connecting hole, the limiting edge is abutted with the limiting surface 112, so that the base 11 cannot rotate in the connecting hole.

In this embodiment, the outer end 117 is cylindrically configured, the outer side surface is only provided with one limiting surface 112, the connecting hole is a round hole, and only one limiting edge is provided in the hole, however, in other embodiments, the outer end 117 may not be cylindrically configured, and the connecting hole may not be a round hole, for example, the outer end 117 is configured in a square column, an oval shape, or a polygonal shape, and the connecting hole is configured in a square hole, an oval hole, or a polygonal hole; the number of the limiting surfaces 112 may be plural on the outer side of the outer end 117, and the number of the limiting edges may be plural, so long as the outer end 117 passes through the connection hole and the outer end 117 does not rotate relative to the connection hole, which is not limited herein.

The board-mounted assembly 1 comprises a sealing member 12, a lock plate member 13 is used for being in threaded connection with an outer end 117, and the sealing member 12 is arranged between the lock plate member 13 and an abutting member 116 so as to seal a gap between the board-mounted assembly 1 and equipment. That is, the sealing member 12 may be disposed between the lock plate member 13 and the housing, or between the housing and the abutment member 116, and the sealing member 12 may be disposed between the lock plate member 13 and the housing, or between the abutment member 116 and the housing, when one is disposed, and disposed on both sides of the housing, respectively, when two are disposed, so as to realize sealing and waterproofing between the board-mounted assembly 1 and the housing. Preferably, the sealing member 12 is a silicone pad, however, in other embodiments, the sealing member 12 may be a sealant or other elastic structure, so long as the sealing between the board assembly 1 and the housing can be achieved, which is not limited herein.

Referring to fig. 2 to 4 and fig. 6 and 7, a through hole 111 penetrating through the base 11 is formed in the base 11, a clamping groove 114 is formed on an inner side wall of the through hole 111, the rubber core 22 includes a plugging end 221 and a clamping piece 223 disposed on the plugging end 221, the plugging end 221 extends into the through hole 111, and the clamping piece 223 is clamped in the clamping groove 114, so that the rubber core 22 is in snap connection with the base 11, and the conductive terminal 21 extends into the device to be electrically connected with the device. Specifically, the through hole 111 is matched with the plugging end 221, and when the plugging end 221 is inserted into the through hole 111 and slides along the through hole 111, the locking end 2231 abuts against the inner sidewall of the through hole 111 and can slide along the inner sidewall of the through hole 111 until the locking end 2231 is accommodated in the locking groove 114.

The through hole 111 penetrates through the outer end 117 and the inner end 113 to achieve communication between the inner space of the device and the outside, the clamping piece 223 protrudes from the inserting end 221 towards the direction away from the inserting end 221, the clamping piece 223 has elasticity, when the inserting end 221 stretches into the through hole 111, the clamping piece 223 is extruded to move towards the inserting end 221 to generate elastic deformation, the inserting end 221 moves along the through hole 111 until the clamping piece 223 corresponds to the clamping groove 114, the clamping piece 223 moves towards the direction away from the inserting end 221 under the action of the elastic force, so that part of the clamping piece 223 is accommodated in the clamping groove 114 to achieve buckling connection between the inserting end 221 and the base 11, and falling of the inserting end 221 from the base 11 is avoided.

The plugging end 221 includes a movable area 222 recessed inward from an outer sidewall of the plugging end 221, the clamping member 223 is accommodated in the movable area 222 and can be elastically deformed relative to the movable area 222, the clamping member 223 includes a clamping end 2231 and a clamping plate 2234, the clamping plate 2234 is integrally formed from the plugging end 221 and extends toward the movable area 222, the clamping end 2231 is disposed at one end of the clamping plate 2234 away from the plugging end 221, and the clamping end 2231 protrudes from the clamping plate 2234 toward a direction away from the movable area 222. Specifically, the clamping member 223 is connected to the insertion end 221 forming the side wall of the active area 222, so that the clamping member 223 is suspended in the active area 222, the clamping plate 2234 has elasticity, and the clamping end 2231 is disposed at one side of the clamping plate 2234 away from the active area 222; the size and shape of the through hole 111 is the same as the size and shape of the plugging end 221, so that the plugging end 221 can extend into the through hole 111 to realize the snap connection of the terminal assembly 2 and the board assembly 1.

In the free state, the clamping member 223 is flush with the outer side wall of the plugging end 221, the clamping end 2231 protrudes outwards from the outer side wall of the plugging end 221, when the plugging end 221 stretches into the through hole 111, the side wall of the through hole 111 presses the clamping end 2231, so that the clamping end 2231 moves towards the movable area 222 to press the clamping plate 2234, so that the clamping plate 2234 generates elastic potential energy, and in the process that the plugging end 221 slides along the through hole 111, the clamping end 2231 is kept in contact with the inner wall of the through hole 111 and slides along the inner wall of the through hole 111 until the clamping end 2231 moves towards the clamping groove 114 under the action of elastic force of the clamping plate 2234, so as to realize the snap connection of the terminal assembly 2 and the board assembly 1.

The locking end 2231 includes an inclined surface 2232 and a step surface 2233, wherein an acute angle is formed between the inclined surface 2232 and the locking plate 2234, the step surface 2233 is perpendicular to the locking plate 2234, when the locking end 2231 contacts with an inner wall of the through hole 111, an edge of the inner wall abuts against the inclined surface 2232 and moves along the inclined surface 2232, so that the locking end 2231 presses the locking plate 2234, the locking plate 2234 moves towards the movable region 222, and when the locking end 2231 is accommodated in the locking groove 114, the step surface 2233 abuts against a side wall of the locking groove 114, so that the locking end 2231 is limited in the locking groove 114, and the glue core 22 is prevented from falling off from the base 11.

The clamping groove 114 is formed in one end, far away from the terminal assembly 2, of the base 11, specifically, the clamping groove 114 is formed in one side, far away from the outer end 117, of the inner end 113, the clamping groove 114 is recessed outwards from the inner wall of the through hole 111, so that when the clamping piece 223 is contained in the clamping groove 114, the plug-in end 221 is flush with the inner end 113 or the plug-in end 221 extends out of a part from the inner end 113 towards the inside of the device, water vapor or dust is prevented from entering a gap between the plug-in end 221 and the base 11, and the tightness between the plug-in end 221 and the base 11 is improved.

The rubber core 22 comprises a containing cavity 227 penetrating the rubber core 22, the conductive terminal 21 is contained in the containing cavity 227, the movable area 222 is communicated with the containing cavity 227, the movable area 222 is provided with two opposite parts, the clamping piece 223 is provided with two corresponding to the movable area 222, and the clamping groove 114 is also provided with two corresponding to the clamping piece 223. Specifically, the movable area 222 is recessed from and penetrates the outer sidewall of the plug end 221, so as to provide enough deformation space for the clamping member 223. When the plugging terminal 221 is accommodated in the through hole 111, one end of the conductive terminal 21 extends into the device and is electrically connected with the electronic component of the device, and the other end is outside the device and is electrically connected with other devices, so as to realize electrical transmission or signal transmission between two or more devices.

When the plugging end 221 is accommodated in the through hole 111, the clamping piece 223 can correspond to the clamping groove 114, so that convenient assembly between the rubber core 22 and the base 11 is realized, however, in other embodiments, a plurality of movable areas 222, the clamping piece 223 and the clamping groove 114 can be provided, so long as the clamping piece 223 can be accommodated in the movable area 222, and the clamping piece 223 can be in snap connection with the clamping groove 114, which is not limited herein.

In this embodiment, the clamping groove 114 is disposed at the end of the inner end 113 of the machine, so that when the rubber core 22 is connected with the base 11, a portion of the plugging end 221 extends into the device, however, in other embodiments, the clamping groove 114 may be disposed at any position in the through hole 111, and the clamping end 2231 may be disposed at a position matching with the clamping groove 114, so long as the purpose of snap connection between the rubber core 22 and the base 11 can be achieved, which is not limited herein.

The outer wall surface of the inserting end 221 is provided with a positioning groove 224, the base 11 further comprises a positioning block 115 arranged on the inner side wall of the through hole 111, when the inserting end 221 is inserted into the through hole 111 and slides along the through hole 111, the positioning block 115 is contained in the positioning groove 224 and slides along the positioning groove 224, so that the positioning connection between the inserting end 221 and the base 11 is realized, the connection error between the rubber core 22 and the base 11 is avoided, and meanwhile, the rubber core 22 is prevented from rotating relative to the base 11.

In this embodiment, the positioning block 115 is provided with two opposite positioning blocks 115, the positioning slots 224 are provided with two positioning blocks 115 corresponding to each other, and a connecting line between the two positioning slots 224 is perpendicular to a connecting line between the two clamping pieces 223, so as to improve the connection accuracy between the rubber core 22 and the base 11.

The rubber core 22 comprises a sealing gasket 228 sleeved on the plug end 221, the plug end 221 is provided with a sealing groove 225, the sealing element 12 is matched with the sealing groove 225, and part of the sealing element 12 is contained in the sealing groove 225, when the plug end 221 stretches into the through hole 111 and the plug end 221 is in buckling connection with the base 11, the sealing element 12 is arranged between the plug end 221 and the outer end 117, and the plug end 221 and the outer end 117 mutually squeeze the sealing element 12, so that the sealing element 12 deforms, and sealing and waterproofing between the plug end 221 and the outer end 117 are realized.

The rubber core 22 comprises a connecting end 226 fixedly connected with the inserting end 221, the connecting end 226 is used for being in buckling connection with a conventional connector (not shown), the terminal assembly 2 further comprises a limiting piece 23, the limiting piece 23 is arranged at the joint of the inserting end 221 and the connecting end 226 and in the accommodating cavity 227, the limiting piece 23 extends in a contracted mode from the inserting end 221 to the connecting end 226, a convex strip (not shown) is arranged in the middle of the conductive terminal 21, the conductive terminal 21 is accommodated in the accommodating cavity 227, and the limiting piece 23 is abutted to the convex strip to achieve connection between the conductive terminal 21 and the rubber core 22. In this embodiment, the conductive terminals 21 are female conductive terminals 21, and the conventional connector includes a male conductive terminal 21, and when the conventional connector is connected to the connection end 226, the male conductive terminal 21 is received in the female conductive terminal 21 to electrically connect the connection end 226 to the conventional connector.

Referring to fig. 1 to 8, when the dc-to-board connector 300 in the present embodiment is the dc-to-board male connector 200, the difference is that the connection end 226 and the conductive terminal 21 of the dc-to-board male connector 200 and the dc-to-board female connector 100 are different, and the other structures are the same. Specifically, the conductive terminals 21 in the onboard dc male connector 200 are male conductive terminals 21, and female conductive terminals 21 are disposed in the conventional connector, and when the conventional connector is snapped to connect with the connection end 226, the male conductive terminals 21 are accommodated in the female conductive terminals 21 to realize electrical connection.

The specific structure of the connection end 226, the specific structure of the conventional connector, the fastening structure of the connection end 226 and the conventional connector, and the connection manner may be set according to the prior art, and will not be described herein.

In summary, in the on-board dc connector 300 of the present utility model, the glue core 22 and the base 11 are configured to be in snap-fit connection, so that the base 11 can be directly placed inside the device, and then the on-board component 1 can be mounted on the device by using the snap-fit connection of the glue core 22 and the base 11, so that the occupied space of the on-board dc connector 300 inside the device is reduced, the on-board dc connector 300 can be used for miniaturized devices, and the practicality of the on-board dc connector 300 is improved; meanwhile, the on-board direct current connector 300 and the device are assembled quickly and conveniently.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. An onboard direct current connector for electrical connection with a device, the onboard direct current connector comprising:

2. The onboard dc connector of claim 1, wherein: the outer wall surface of the plug-in end is provided with a positioning groove, the base further comprises a positioning block arranged on the inner side wall of the through hole, and when the plug-in end is inserted into the through hole and slides along the through hole, the positioning block is accommodated in the positioning groove and slides along the positioning groove.

3. The onboard dc connector of claim 2, wherein: the positioning blocks are arranged in two opposite directions, and the positioning grooves are arranged in two directions corresponding to the positioning blocks.

4. The onboard dc connector of claim 1, wherein: the plug-in end is provided with an active area, the clamping piece is contained in the active area and can elastically deform relative to the active area, the clamping piece comprises a clamping end and a clamping plate, the clamping plate and the plug-in end are integrally formed and extend towards the active area, and the clamping end is arranged at the tail end of the clamping plate and protrudes towards the direction away from the active area.

5. The onboard dc connector of claim 4, wherein: the through hole is matched with the inserting end, the clamping groove is formed in one end, far away from the terminal assembly, of the base, when the inserting end is inserted into the through hole and slides along the through hole, the clamping end abuts against the inner side wall of the through hole and slides along the inner side wall until the clamping end is clamped into the clamping groove.

6. The onboard dc connector of claim 4, wherein: the rubber core is provided with a through accommodating cavity for accommodating the conductive terminal; the movable area is communicated with the accommodating cavity, two opposite movable areas are arranged, two clamping pieces are arranged corresponding to the movable areas, and two clamping grooves are also arranged corresponding to the clamping pieces.

7. The onboard dc connector of claim 1, wherein: the base comprises an inner end and an outer end, the inner end is provided with an abutting part protruding outwards from the outer edge of the base, the outer end is configured to penetrate out of the equipment and enable the abutting part to abut against the inner wall surface of the equipment, and the clamping groove is formed in one side, far away from the outer end, of the inner end.

8. The onboard dc connector of claim 7, wherein: the on-board component further comprises a sealing piece and a locking plate piece, wherein the locking plate piece is used for being in threaded connection with the outer end of the machine, and the sealing piece is arranged between the locking plate piece and the abutting piece so as to seal a gap between the on-board component and equipment.

9. The onboard dc connector of claim 7, wherein: the base is cylindrical, and the diameter of the inner end of the machine is larger than that of the outer end of the machine.

10. The onboard dc connector of claim 9, wherein: the outer side wall of the outer end of the machine is provided with a limiting surface and a thread structure, the limiting surface is a plane and extends from the free end of the outer end of the machine towards one side of the abutting part, and the thread structure is separated by the limiting surface.