CN220134575U

CN220134575U - Ventilation plug and vehicle

Info

Publication number: CN220134575U
Application number: CN202321770953.7U
Authority: CN
Inventors: 孙鹏飞; 娄政渊; 梁学礼; 樊立桃; 张博
Original assignee: Honeycomb Drive System Jiangsu Co Ltd
Current assignee: Honeycomb Drive System Jiangsu Co Ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-05
Anticipated expiration: 2033-07-06

Abstract

The utility model provides a ventilation plug and a vehicle, wherein the ventilation plug comprises a plug seat and a plug cap, the plug cap is clamped on the plug seat through a clamping structure, and a ventilation channel is defined between the plug seat and the plug cap; the vent plug also comprises an operating piece arranged in the vent channel and an unlocking piece arranged in the plug seat in a sliding manner, one end of the operating piece penetrates out of the plug cap, and the other end of the operating piece is in transmission connection with the unlocking piece; when the operating piece is driven, the operating piece can drive the unlocking piece to slide, and the clamping structure is pushed to expand radially outwards, so that the clamping of the clamping structure and the plug seat is released. According to the ventilation plug, the operating piece arranged in the ventilation channel and the unlocking piece which is arranged in the plug seat and is in transmission connection with the operating piece are in sliding connection, so that the unlocking piece can be driven to slide when the operating piece is driven, the clamping structure is pushed to expand radially outwards, the clamping of the clamping structure and the plug seat is released, the plug cap and the plug seat are detached, the operation is convenient, the clamping structure is not damaged, and the disassembly and maintenance cost of the ventilation plug are reduced.

Description

Ventilation plug and vehicle

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a ventilation plug. The utility model also relates to a vehicle provided with the vent plug.

Background

Currently, in devices having a gear structure inside such as a gear box (e.g., a gearbox) in a vehicle, a vent plug is usually required to be installed to realize ventilation inside and outside the device, which is beneficial to air pressure balance inside and outside the device, and meanwhile, has a waterproof effect.

The conventional vent plug comprises a plug seat and a plug cap, wherein the plug cap is clamped on the plug seat through an elastic claw, and an air passage is formed between the plug cap and the plug seat in a surrounding manner. When the vent plug is maintained and replaced and the plug cap is required to be disassembled, the problem of difficult disassembly exists. If the mode and the angle of dismantling the claw are improper, the fracture of the claw is easy to cause, so that the plug cap is scrapped, and the cost of disassembling and maintaining the vent plug is further improved.

Disclosure of Invention

In view of this, the present utility model aims to propose a vent plug that facilitates the removal of the plug cap.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the ventilation plug comprises a plug seat and a plug cap, wherein the plug cap is clamped on the plug seat through a clamping structure, and a ventilation channel is defined between the plug seat and the plug cap; the vent plug further comprises an operating piece arranged in the vent channel and an unlocking piece arranged in the plug seat in a sliding manner, one end of the operating piece penetrates out of the plug cap, and the other end of the operating piece is in transmission connection with the unlocking piece;

when the operating piece is driven, the operating piece can drive the unlocking piece to slide and push the clamping structure to expand radially outwards, so that the clamping of the clamping structure and the plug seat is released.

Further, the operating member is arranged perpendicular to the unlocking member;

the operating piece is provided with a conical surface positioned in the air passage;

the unlocking piece is provided with an inclined plane connected with the conical surface, and when the operating piece pushes the inclined plane through the conical surface, the unlocking piece slides.

Further, the clamping structure comprises a plurality of clamping claws which are arranged on the periphery of the plug cap at intervals, and the unlocking pieces are a plurality of clamping claws which are arranged in one-to-one correspondence with the clamping claws.

Further, an anti-rotation part is arranged between the plug seat and the unlocking piece and is used for limiting the unlocking piece to rotate relative to the plug seat.

Further, the anti-rotation part comprises an anti-rotation block arranged on the unlocking piece and an anti-rotation groove arranged on the plug seat, and the anti-rotation block is arranged in the anti-rotation groove in a sliding manner;

the cross section of the anti-rotation block is polygonal, and the anti-rotation groove is formed along with the anti-rotation block.

Further, when the clamping structure is clamped on the plug seat, one end of the unlocking piece is connected with the clamping structure, and the other end of the unlocking piece is connected with the operating piece.

Further, an air outlet of the air passage is arranged on the plug cap, and an air inlet of the air passage is arranged at the bottom of the plug seat;

an air passing gap is formed between the operating piece and the air passage and is used for communicating the air inlet and the air outlet.

Further, one end of the operating piece, which is positioned outside the plug cap, is detachably connected with an operating block.

Further, a sealing structure for forming sealing between the plug cap and the plug seat is arranged between the plug cap and the plug seat.

Compared with the prior art, the utility model has the following advantages:

according to the ventilation plug, the operating piece arranged in the ventilation channel and the unlocking piece which is arranged in the plug seat in a sliding manner and is in transmission connection with the operating piece are adopted, so that when the operating piece is driven, the unlocking piece can be driven to slide through the operating piece and push the clamping structure to expand radially outwards, the clamping of the clamping structure and the plug seat is released, the plug cap and the plug seat are detached, the operation is convenient, the clamping structure is not damaged, and the disassembly and maintenance cost of the ventilation plug are reduced.

In addition, the conical surface on the operating piece is connected with the inclined surface on the unlocking piece in a transmission way, so that the operating piece is beneficial to driving the unlocking piece to slide, and the conical surface and the inclined surface are simple in structure and easy to arrange and implement. The setting of a plurality of jack catchs can improve the joint intensity of cock cap and stopper seat, and a plurality of unblock pieces then do benefit to the dismantlement efficiency that improves the cock cap on stopper seat. The anti-rotation part arranged between the plug seat and the unlocking piece can prevent the unlocking piece from rotating, so that the stability of the unlocking piece in use is improved. The cross section of preventing changeing the piece personally submits the polygon, prevents changeing the groove and along with shape in preventing changeing the piece setting for prevent that the structure of changeing the portion is simple, the machine-shaping of being convenient for, and prevent changeing effectually.

In addition, when the clamping structure is clamped on the plug seat, two ends of the unlocking piece are respectively connected with the clamping structure and the operating piece, so that when the operating piece is operated to push the unlocking piece, the clamping structure can be timely pushed to expand radially outwards, the disassembly efficiency of the plug cap is improved, and meanwhile the stability of the unlocking piece in the plug seat is improved. The air passing gap between the operating member and the air passage is beneficial to ensuring that the air flow flowing into the air inlet can flow out through the air outlet. The operation block is detachably connected to the operation member, so that external force can be conveniently applied to the operation member to operate the operation member. The sealing structure between the plug cap and the plug seat is beneficial to improving the sealing effect of the air passage.

In addition, another object of the present utility model is to propose a vehicle provided with a vent plug as described above.

The vehicle has the same beneficial effects as the vent plug, and the vehicle is not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a plug cap clamped on a plug seat in a vent plug according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a structure for releasing a plug cap from engagement with a plug seat in a vent plug according to an embodiment of the utility model.

Reference numerals illustrate:

1. a plug seat; 2. a plug cap; 3. an operating member; 4. an unlocking member;

100. an upper airway; 101. an annular protrusion; 102. an air inlet; 103. a clamping table;

200. a lower airway; 201. a claw; 202. a chuck; 203. a seal ring;

301. an operation block; 302. pushing blocks; 303. a conical surface;

401. an anti-rotation block; 402. and (5) an inclined plane.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The present embodiment relates to a vent plug comprising a plug base 1 and a plug cap 2. The plug cap 2 is clamped on the plug seat 1 through a clamping structure, and an air passage is defined between the plug seat 1 and the plug cap 2.

The vent plug in this embodiment further includes an operating member 3 disposed in the vent passage, and an unlocking member 4 slidably disposed in the plug seat 1, wherein one end of the operating member 3 penetrates out of the plug cap 2, and the other end is in transmission connection with the unlocking member 4. When the operating piece 3 is driven, the operating piece 3 can drive the unlocking piece 4 to slide and push the clamping structure to expand radially outwards, so that the clamping of the clamping structure and the plug seat 1 is released.

The vent plug of this embodiment locates in the stopper seat 1 through locating the operating piece 3 in the air vent to and slide, and the unblock piece 4 that links to each other with the transmission of operating piece 3, when making order about operating piece 3, can drive unblock piece 4 through operating piece 3 and slide, and push away the joint structure radially outwards expands, and release the joint of joint structure and stopper seat 1, thereby pull down on stopper cap 2 and stopper seat 1, the operation of being convenient for can not harm the joint structure moreover, thereby do benefit to the dismantlement and the maintenance cost of reduction vent plug.

Based on the above general description, an exemplary configuration of the vent plug in this embodiment is shown in figures 1 and 2. The plug seat 1 is provided with a lower air passage 200 which is communicated with the plug seat 1 and is axially arranged, the plug cap 2 is provided with an upper air passage 100 which is arranged with an opening at the bottom, and when the plug cap 2 is in a clamping state of being clamped on the plug seat 1, the lower air passage 200 and the upper air passage 100 are communicated to form the air passage. Wherein, the gas outlet of the air passage is arranged on the plug cap 2, and the gas inlet 102 of the air passage is arranged at the bottom of the plug seat 1.

In this embodiment, the air inlet 102 is located at the bottom end of the lower airway 200, and a seal is provided between the operating element 3 and the plug cap 2, so as to ensure tightness between the operating element 3 and the plug cap 2 when the operating element 3 is operated. An air gap is formed between the operation member 3 and the air duct, and the air gap is used for communicating the air inlet 102 and the air outlet. Air flows into the lower airway 200 via the air inlet 102 and into the upper airway 100 via the air gap and finally out of the airway plug through the air outlet. The provision of an overair gap between the operating member 3 and the airway here facilitates ensuring that air flow into the air inlet 102 is able to flow out via the air outlet.

In combination with the illustration in fig. 1, an annular protrusion 101 is provided on the top of the plug seat 1 in the circumferential direction, and an installation space is formed in the inner periphery of the annular protrusion 101, and the plug cap 2 is specifically inserted in the installation space. As a preferred embodiment, the above-mentioned engaging structure includes a plurality of claws 201 arranged at intervals in the circumferential direction of the plug cap 2, and the unlocking members 4 are provided in a plurality of one-to-one correspondence with the respective claws 201. Here, the setting of a plurality of jack catchs 201 can improve the joint intensity of cock cap 2 and stopper seat 1, and a plurality of unlatching pieces 4 are then favorable to improving the dismantlement efficiency of cock cap 2 on stopper seat 1.

Specifically, as shown in fig. 1 and 2, each of the claws 201 is located outside the annular projection 101 and extends downward, the bottom end of each of the claws 201 is provided with a chuck 202, and a chuck table 103 for the chuck 202 of each of the claws 201 to chuck is provided in the circumferential direction of the bottom of the annular projection 101. With the plug cap 2 inserted in the installation space, the chuck 202 on the chuck 201 can be clamped on the clamping table 103. In the locked state, the tip of the annular projection 101 abuts against the plug cap 2 to prevent the plug cap 2 from moving in the axial direction of the plug holder 1, and to secure the locking strength of the plug cap 2 to the plug holder 1. It should be noted that, the number of the jaws 201 may be increased or decreased adaptively according to the use requirement, except for two of the jaws shown in fig. 1, so long as the clamping requirement is satisfied.

As a preferred embodiment, the operating member 3 is disposed perpendicular to the unlocking member 4, wherein the operating member 3 is disposed to extend in the axial direction of the plug base 1, and the operating member 3 is capable of moving up and down in the axial direction of the plug base 1 under the urging of an external force. The unlocking piece 4 is arranged on the plug seat 1 in a sliding manner along the radial direction of the plug seat 1. As shown in fig. 1, the operating member 3 is provided with a tapered surface 303 positioned in the air duct, the unlocking member 4 is provided with a inclined surface 402 connected with the tapered surface 303, and when the operating member 3 pushes the inclined surface 402 through the tapered surface 303, the unlocking member 4 slides.

Specifically, the top of the plug seat 1 is provided with sliding grooves extending in the radial direction and corresponding to the unlocking pieces 4 one by one, and the unlocking pieces 4 are specifically slidably arranged in the corresponding sliding grooves. The bottom of the operating element 3 is inserted into the top of the lower airway 200, a radially-outward pushing block 302 is arranged at the bottom of the operating element 3, the pushing block 302 is positioned at the top of the lower airway 200, and the conical surface 303 is arranged on the periphery of the pushing block 302. The above-mentioned air passing gap is also provided between the tapered surface 303 and the airway in this embodiment to ensure the ventilation effect of the airway.

The conical surface 303 on the operating member 3 can be simultaneously abutted against the inclined surfaces 402 on the unlocking members 4 and push the unlocking members 4 to slide, so that the structure is simple, the operating direction is simple, and the operating convenience is good. At the same time, the conical surface 303 can form guiding fit with the communication port at the top of the lower air passage 200 in the process of axially moving the operating element 3 along the plug seat 1, so that the stability of the operating element 3 in moving is improved.

In this embodiment, the sliding groove is located below the clamping table 103, and the inclined surface 402 on the unlocking member 4 is located at one end of the unlocking member 4 near the operating member 3, so that when the conical surface 303 moves along with the operating member 3 in the direction of the air inlet 102, the conical surface 303 is connected with the inclined surface 402, so that the unlocking member 4 can slide outwards of the plug seat 1, thereby pushing the clamping head 202, enabling the clamping jaw 201 to turn outwards around the root of the clamping jaw as a rotation center and expand radially outwards, and releasing the clamping connection of the plug cap 2 on the plug seat 1.

In a preferred embodiment, the inclined surface 402 is curved along with the tapered surface 303. The contact area between the inclined surface 402 and the conical surface 303 is increased, the stability of the unlocking piece 4 in sliding is improved, and the pushing effect of the unlocking piece 4 on the clamping jaw 201 is further improved. In addition, at least part of the tapered surface 303 is larger than the top of the lower air passage 200, so that when the operating member 3 moves towards the air inlet 102, the tapered surface 303 can be blocked by the bottom of the lower air passage 200, thereby being beneficial to limiting the downward movement of the operating member 3 and improving the use stability of the operating member 3.

In this embodiment, an anti-rotation portion is disposed between the plug seat 1 and the unlocking member 4, and the anti-rotation portion is used for limiting the unlocking member 4 to rotate relative to the plug seat 1. The anti-rotation part is arranged between the plug seat 1 and the unlocking piece 4, so that the unlocking piece 4 can be prevented from rotating, the stability of the unlocking piece 4 in use is improved, the inclined surface 402 is ensured to be upward, and the unlocking piece can be connected with the conical surface 303.

In a specific structure, as shown in fig. 1 and 2, the anti-rotation part in the present embodiment includes an anti-rotation block 401 provided on the unlocking member 4, and an anti-rotation groove provided on the plug seat 1, and the anti-rotation block 401 is slidably provided in the anti-rotation groove. The cross section of the anti-rotation block 401 is polygonal, and the anti-rotation groove is arranged along with the anti-rotation block 401. Here, the cross section of the anti-rotation block 401 is polygonal, and the anti-rotation groove is formed along with the anti-rotation block 401, so that the anti-rotation part has a simple structure, is convenient to process and form, and has a good anti-rotation effect.

As a preferable arrangement, the anti-rotation block 401 is disposed at one end of the unlocking member 4 facing the pawl 201, and the cross section of the anti-rotation block 401 is rectangular. The anti-rotation groove is positioned at one end of the chute facing the clamping jaw 201, and the cross section of the anti-rotation groove is also rectangular. When the unlocking piece 4 is pushed by the operating piece 3 to slide outwards, the clamping head 202 is pushed by the anti-rotation block 401, so that the clamping jaw 201 is expanded outwards.

In this embodiment, the cross-sectional area of the anti-rotation block 401 is preferably larger than the cross-sectional area of other positions of the unlocking member 4, and the anti-rotation block 401 is used for pushing the chuck 202, so that the contact area between the unlocking member 4 and the chuck 202 is increased, the pushing effect on the chuck 202 is improved, and the unlocking member 4 is prevented from damaging the chuck 202. It should be noted that, in this embodiment, the positions and shapes of the anti-rotation block 401 and the anti-rotation groove may be adaptively adjusted according to the use requirement, so long as the use requirement is satisfied.

As shown in fig. 1, preferably, when the locking structure is locked to the plug holder 1, one end of the unlocking member 4 is connected to the locking structure, and the other end is connected to the operating member 3. Here, when the cock cap 2 is in the joint state, the both ends of unblock piece 4 are connected with joint structure and operating element 3 respectively for when operating element 3 pushes away unblock piece 4, the top that can be timely pushes away joint structure radially expands outward, and improves the dismantlement efficiency of joint structure, still does benefit to simultaneously and improves the stability of unblock piece 4 in stopper seat 1.

As shown in fig. 1 and 2, an operation block 301 is detachably attached to one end of the operation member 3 located outside the pack 2. In practice, an external force may be applied to the operation block 301, so that the operation member 3 moves up and down in the axial direction of the plug holder 1. Here, the operation block 301 may be fixed to the operation member 3 by a detachable connection such as a screw connection. In addition, the operation block 301 is detachably connected with the operation piece 3, and the operation piece 3 is further convenient to install on the plug cap 2. Specifically, before the plug cap 2 is clamped to the plug seat 1, the operating member 3 is first threaded through the top of the plug cap 2 from bottom to top, and then the operating block 301 is mounted on the operating member 3.

In addition, a sealing structure for forming sealing between the plug cap 2 and the plug seat 1 is arranged between the plug cap and the plug seat. Specifically, as shown in fig. 1, the plug cap 2 and the plug holder 1 are provided with annular grooves in the circumferential direction of the plug cap 2, and the sealing structure is a seal ring 203 sleeved in the annular grooves. The sealing ring 203 in the clamped state is abutted between the inner wall of the annular protrusion 101 and the bottom of the annular groove, thereby being beneficial to improving the sealing effect of the air passage.

In addition, in the embodiment, the plug seat 1 and the unlocking member 4 are preferably made of metal materials, and the plug cap 2 is preferably made of elastic materials, so as to have a better use effect.

In this embodiment, when the plug cap 2 on the plug seat 1 needs to be disassembled, the operation block 301 on the operation member 3 is first pressed down, so that the operation member 3 moves toward the air inlet 102 along the axial direction of the plug seat 1, the tapered surface 303 is connected with the inclined surface 402, the contact area between the tapered surface 303 and the inclined surface is increased, and the unlocking member 4 is pushed by the tapered surface 303 to slide outwards along the radial direction of the plug seat 1. At this time, the anti-rotation block 401 on the unlocking piece 4 extends out of the plug body and pushes the clamping head 202 on the clamping jaw 201, so that the clamping jaw 201 expands outwards until the clamping head 202 releases the clamping connection on the clamping table 103, and then the plug cap 2 on the plug seat 1 can be detached by pulling up the plug cap 2.

In this embodiment, when the unlocking member 4 and the operating member 3 are reset, the external force acts on the anti-rotation block 401, so that the unlocking member 4 can slide into the plug seat 1, and the conical surface 303 is pushed by the inclined surface 402, so that the operating member 3 moves along the axial direction of the plug seat 1 towards the air outlet direction until the anti-rotation block 401 is reset into the anti-rotation groove, and at the same time, the operating member 3 is reset. Of course, when the plug cap 2 is clamped on the plug seat 1, the unlocking piece 4 is slid and reset due to pushing of the anti-rotation block 401 by the clamping head 202, and the operating piece 3 is also reset due to matching of the inclined surface 402 and the conical surface 303.

The ventilation plug of this embodiment, through the cooperation of operating piece 3 and release member 4, do benefit to and pull down cock cap 2 on stopper seat 1 to improve the stability in use of release member 4 through preventing changeing the portion, still promote the leakproofness of ventilation plug through seal structure etc. so make this ventilation plug not only have better operating convenience, still have better ventilation effect, and have better practicality.

In addition, the present embodiment also relates to a vehicle provided with the vent plug as described above. In the concrete implementation, the ventilation plug can be arranged on a gearbox and other structures of a vehicle so as to have a good ventilation waterproof effect.

The vehicle of the embodiment has the same beneficial effects as the vent plug described above, and will not be described here again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The ventilation plug comprises a plug seat (1) and a plug cap (2), wherein the plug cap (2) is clamped on the plug seat (1) through a clamping structure, and a ventilation channel is defined between the plug seat (1) and the plug cap (2); the method is characterized in that:

the ventilation plug further comprises an operating piece (3) arranged in the ventilation channel and an unlocking piece (4) arranged in the plug seat (1) in a sliding manner, one end of the operating piece (3) penetrates out of the plug cap (2), and the other end of the operating piece is in transmission connection with the unlocking piece (4);

when the operating piece (3) is driven, the operating piece (3) can drive the unlocking piece (4) to slide and push the clamping structure to expand radially outwards, so that the clamping of the clamping structure and the plug seat (1) is released.

2. A vent plug according to claim 1, wherein:

the operating piece (3) is arranged perpendicular to the unlocking piece (4);

the operating piece (3) is provided with a conical surface (303) positioned in the air passage;

the unlocking piece (4) is provided with an inclined surface (402) connected with the conical surface (303), and when the operating piece (3) pushes the inclined surface (402) through the conical surface (303), the unlocking piece (4) slides.

3. A vent plug according to claim 1, wherein:

the clamping structure comprises a plurality of clamping claws (201) which are arranged at intervals in the circumferential direction of the plug cap (2), and the unlocking pieces (4) are a plurality of clamping claws (201) which are arranged in one-to-one correspondence.

4. A vent plug according to claim 1, wherein:

an anti-rotation part is arranged between the plug seat (1) and the unlocking piece (4), and the anti-rotation part is used for limiting the unlocking piece (4) to rotate relative to the plug seat (1).

5. A vent plug according to claim 4, wherein:

the anti-rotation part comprises an anti-rotation block (401) arranged on the unlocking piece (4) and an anti-rotation groove arranged on the plug seat (1), and the anti-rotation block (401) is slidably arranged in the anti-rotation groove;

the cross section of the anti-rotation block (401) is polygonal, and the anti-rotation groove is arranged along with the anti-rotation block (401).

6. A vent plug according to claim 1, wherein:

when the clamping structure is clamped on the plug seat (1), one end of the unlocking piece (4) is connected with the clamping structure, and the other end of the unlocking piece is connected with the operating piece (3).

7. A vent plug according to claim 1, wherein:

an air outlet of the air passage is arranged on the plug cap (2), and an air inlet (102) of the air passage is arranged at the bottom of the plug seat (1);

an air passing gap is formed between the operating piece (3) and the air passage, and the air passing gap is used for communicating the air inlet (102) and the air outlet.

8. A vent plug according to claim 1, wherein:

one end of the operating piece (3) positioned outside the plug cap (2) is detachably connected with an operating block (301).

9. A vent plug according to any one of claims 1 to 8, wherein:

a sealing structure for forming sealing between the plug cap (2) and the plug seat (1) is arranged between the plug cap and the plug seat.

10. A vehicle, characterized in that:

the vehicle is provided with a vent plug according to any one of claims 1 to 9.