CN218287635U

CN218287635U - Fixing and sealing device for automobile license plate

Info

Publication number: CN218287635U
Application number: CN202222669547.3U
Authority: CN
Inventors: 董国沛
Original assignee: Wenzhou Shengyuan Signs Co ltd
Current assignee: Wenzhou Shengyuan Signs Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-13
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to the field of automobiles, a solid sealing device of car number plate is disclosed, including screw, base, closing cap, the screw rod portion of screw pass the base, the head of screw be located the base, set up the slide opening of intercommunication outer wall and inner wall on the base, the inner wall of base on fixedly connected with shell fragment, the shell fragment keep away from the one end fixedly connected with reference column of base, the reference column pass slide opening and tip and be hemispherical, the inner wall of closing cap on offer be used for with reference column complex annular groove, the head of closing cap and screw between be provided with the linkage subassembly. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization reaches the purpose that promotes the practicality.

Description

Fixing and sealing device for automobile license plate

Technical Field

The utility model relates to a solid sealing device, more specifically say that it relates to a solid sealing device of car license plate.

Background

The number plate of the car is usually fixed to a fixed plate at the front end of the car and at the rear end of the trunk.

At present, chinese patent with publication number CN208816487U discloses an inner-buckled type fixing and sealing screw, which includes a base, a sealing cover sleeved outside the base, and a screw inserted in the base, wherein the sealing cover is provided with a connecting piece which is adapted to the head of the screw and can screw the screw; the connecting piece comprises a first connecting piece and a second connecting piece; the second connecting piece can be elastically and telescopically arranged in the axial direction and is in circumferential linkage arrangement relative to the first connecting piece; the outer side wall of the base is provided with a fastener; the sealing cover is provided with an annular chute which can be buckled with the buckling piece; the annular sliding groove can circumferentially slide after being buckled with the buckling piece.

When the automobile license plate is damaged and needs to be replaced, the sealing cover is taken out due to the matching between the buckling piece and the annular sliding groove, the buckling piece is inevitably damaged and cannot be reused, and therefore the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a solid sealing device of car number plate through making in the reference column slips into the slide opening, makes the reference column difficult and can used repeatedly, reaches the purpose that promotes the practicality.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a solid sealing device of car number plate, includes screw, base, closing cap, the screw rod portion of screw pass the base, the head of screw be located the base, the base on set up the slide opening of intercommunication outer wall and inner wall, the inner wall of base on fixedly connected with shell fragment, the shell fragment one end fixedly connected with reference column of keeping away from the base, the reference column pass slide opening and tip and be hemispherical, the inner wall of closing cap on offer be used for with reference column complex annular groove, the head of closing cap and screw between be provided with the linkage subassembly.

By adopting the technical scheme, when the number plate is damaged and needs to be replaced, the sealing cover is rotated, the screw is rotated through the linkage assembly, the screw is separated from the automobile, the acting force in the direction away from the base is applied to the sealing cover, the friction force between the positioning column and the annular groove is overcome, the sealing cover can be drawn out from the base, during the period, the end part of the positioning column is abutted against the inner wall of the sealing cover and slides into the sliding hole, and after the sealing cover is separated from the positioning column, the positioning column stretches out from the sliding hole again due to the elastic force of the elastic sheet; after changing the number plate, pass the number plate with the screw, establish the closing cap lid on the base again, when the reference column corresponds with the annular groove, the elastic action through the shell fragment with the reference column embedding annular groove in, then rotatory with the closing cap, make the screw rotate through the linkage subassembly, the screw fixation is on the car to realize used repeatedly, greatly promote the practicality.

The utility model discloses further set up to: the linkage subassembly include spread groove, connecting rod, dead lever, the spread groove set up on the outer wall of the head of screw, the length direction of spread groove be parallel with the length direction of screw rod portion, the inner wall fixed connection of connecting rod one end and closing cap, the other end and dead lever fixed connection, the dead lever keep away from connecting rod one end and be located the spread groove.

Through adopting above-mentioned technical scheme, establish the closing cap cover on the base, make the dead lever arrange the spread groove in, after annular groove and reference column cooperation, rotate the closing cap, the dead lever contradicts with the inner wall of spread groove and makes the screw rotate, and the screw fixation is on the car to, because the connecting rod is located one side of screw, the power arm of rotating the screw is great, has laborsaving effect, makes and is connected more stably between screw and the car.

The utility model discloses further set up to: the opening of the connecting groove is provided with a guide inclined plane which is used for abutting against the fixed rod.

By adopting the technical scheme, the sealing cover is sleeved on the base, so that the fixed rod is arranged in the connecting groove along the guide inclined plane.

The utility model discloses further set up to: the sealing cover is provided with an anti-falling component for screws.

By adopting the technical scheme, the screw is not easy to separate from the automobile.

The utility model discloses further set up to: the anticreep subassembly include bearing, slide bar, sliding sleeve and shell fragment, the diapire of closing cap on seted up the fixed orifices, bearing embedding fixed orifices in, the inner wall fixed connection of one end of slide bar and bearing, the other end and sliding sleeve sliding connection, the both ends of shell fragment respectively with sliding sleeve, slide bar fixed connection, the sliding sleeve keep away from the one end of slide bar and conflict with the head of screw.

By adopting the technical scheme, the sealing cover is sleeved on the base, the outer wall of the sliding sleeve is abutted against the head of the screw, the sliding sleeve is abutted against the head of the screw through the elastic action of the elastic sheet, the sliding rod and the sliding sleeve can rotate in the circumferential direction through the arrangement of the bearing, and when the screw tends to rotate and loosen, the screw is not easy to be separated from an automobile due to the acting force exerted by the sliding sleeve on the screw; the sliding sleeve rotates at a certain angle along with the screw, so that the sliding sleeve and the screw are not easy to wear and damage.

The utility model discloses further set up to: the outer wall of closing cap on seted up a plurality of anti-skidding recesses, it is a plurality of anti-skidding recess is along the axle center evenly distributed of closing cap.

Through adopting above-mentioned technical scheme, hold anti-skidding recess, be convenient for rotate the closing cap.

The utility model discloses further set up to: and the inner wall of the anti-skid groove is fixedly connected with an anti-skid pad made of rubber.

Through adopting above-mentioned technical scheme, promote the frictional force between hand and the anti-skidding recess, be more convenient for rotate the closing cap.

To sum up, the utility model discloses following beneficial effect has:

1. when the number plate is damaged and needs to be replaced, the sealing cover is rotated, the screw is rotated through the linkage assembly, the screw is separated from the automobile, an acting force in the direction far away from the base is applied to the sealing cover, the friction force between the positioning column and the annular groove is overcome, the screw can be drawn out from the base, during the period, the end part of the positioning column is abutted against the inner wall of the sealing cover and slides into the sliding hole, and after the sealing cover is separated from the positioning column, the positioning column stretches out from the sliding hole again due to the elastic force of the elastic sheet; after changing the number plate, pass the number plate with the screw, establish the closing cap lid on the base again, when the reference column corresponds with the annular groove, the elastic action through the shell fragment with the reference column embedding annular groove in, then rotatory with the closing cap, make the screw rotate through the linkage subassembly, the screw fixation is on the car to realize used repeatedly, greatly promote the practicality.

2. Through setting up the anticreep subassembly, make the screw be difficult for deviating from the car because of car vibrations, promote the reliability.

Drawings

FIG. 1 is a schematic view showing a connection structure of a base and a cover;

FIG. 2 is a schematic view showing a structure of a screw;

fig. 3 is a schematic cross-sectional view of a closure.

Reference numerals are as follows: 1. a screw; 2. a base; 3. sealing the cover; 41. a slide hole; 42. a spring plate; 43. a positioning column; 44. an annular groove; 51. an anti-slip groove; 52. a non-slip mat; 6. a linkage assembly; 61. connecting grooves; 62. a connecting rod; 63. fixing the rod; 7. a guide ramp; 8. an anti-drop component; 81. a bearing; 82. a slide bar; 83. a sliding sleeve; 84 spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, a fixing and sealing device for a car number plate comprises a screw 1, a base 2 and a sealing cover 3. The screw part of the screw 1 penetrates through the base 2 and is used for being in threaded connection with an automobile; the head of the screw 1 is located within the base 2.

Set up the slide opening 41 of intercommunication outer wall and inner wall on base 2, fixedly connected with shell fragment 42 on the inner wall of base 2, the one end fixedly connected with reference column 43 that base 2 was kept away from to shell fragment 42, reference column 43 passes slide opening 41 and the tip is hemispherical, and the external diameter of reference column 43 is less than the internal diameter of slide opening 41.

An annular groove 44 for matching with the positioning column 43 is formed on the inner wall of the sealing cover 3.

A plurality of anti-slip grooves 51 are formed in the outer wall of the sealing cover 3, and the anti-slip grooves 51 are uniformly distributed along the axis of the sealing cover 3; a non-slip pad 52 made of rubber is fixedly connected to the inner wall of the non-slip groove 51.

A linkage assembly 6 is provided between the cap 3 and the head of the screw 1. The linkage assembly 6 includes a connecting groove 61, a connecting rod 62, and a fixing rod 63. The connecting groove 61 is opened on the outer wall of the head of the screw 1, and the length direction of the connecting groove 61 is parallel to the length direction of the screw part.

One end of the connecting rod 62 is fixedly connected with the inner wall of the sealing cover 3, and the other end is fixedly connected with the fixing rod 63. The end of the fixed rod 63 remote from the connecting rod 62 is located in the connecting groove 61.

The cover 3 is sleeved on the base 2, the positioning column 43 is embedded in the annular groove 44, and the fixing rod 63 is arranged in the connecting groove 61. When the cover 3 rotates, the screw 1 can rotate by the interference of the fixing rod 63 and the inner wall of the connecting groove 61.

The opening of the connecting groove 61 is opened with a guide slope 7 for abutting against the fixing rod 63.

The sealing cover 3 is provided with an anti-falling component 8 for the screw 1. The anti-drop assembly 8 comprises a bearing 81, a sliding rod 82, a sliding sleeve 83 and a spring. The bottom wall of the cover 3 is provided with a fixing hole, and the bearing 81 is embedded into the fixing hole. One end of the sliding rod 82 is fixedly connected with the inner wall of the bearing 81, and the other end is connected with the sliding sleeve 83 in a sliding manner. The two ends of the spring are respectively fixedly connected with the sliding sleeve 83 and the sliding rod 82. One end of the sliding sleeve 83 away from the sliding rod 82 is abutted against the head of the screw 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a solid sealing device of car number plate, includes screw, base, closing cap, the screw rod portion of screw pass the base, the head of screw be located the base, characterized by: the base on set up the sliding hole of intercommunication outer wall and inner wall, the inner wall of base on fixedly connected with shell fragment, the shell fragment keep away from the one end fixedly connected with reference column of base, the reference column pass the sliding hole and the tip is hemispherical, the inner wall of closing cap on set up and be used for with reference column complex annular groove, the closing cap and the head of screw between be provided with the linkage subassembly.

2. The fixing and sealing device for the number plate of the automobile as claimed in claim 1, wherein: the linkage subassembly include spread groove, connecting rod, dead lever, the spread groove set up on the outer wall of the head of screw, the length direction of spread groove parallel with the length direction of screw rod portion, the inner wall fixed connection of connecting rod one end and closing cap, the other end and dead lever fixed connection, the dead lever keep away from connecting rod one end and be arranged in the spread groove.

3. The fixing and sealing device for the number plate of the automobile as claimed in claim 2, wherein: the opening of the connecting groove is provided with a guide inclined plane which is used for abutting against the fixed rod.

4. The fixing and sealing device for the number plate of the automobile as claimed in claim 1, wherein: the sealing cover is provided with an anti-falling component for screws.

5. The fixing and sealing device for the number plate of the automobile as set forth in claim 4, wherein: the anticreep subassembly include bearing, slide bar, sliding sleeve and spring, the diapire of closing cap on seted up the fixed orifices, bearing embedding fixed orifices in, the inner wall fixed connection of one end of slide bar and bearing, the other end and sliding sleeve sliding connection, the both ends of spring respectively with sliding sleeve, slide bar fixed connection, the sliding sleeve keep away from the one end of slide bar and conflict with the head of screw.

6. The fixing and sealing device for the number plate of the automobile as claimed in claim 1, wherein: the outer wall of the sealing cover is provided with a plurality of anti-skidding grooves which are uniformly distributed along the axis of the sealing cover.

7. The fixing and sealing device for the number plate of the automobile as set forth in claim 6, wherein: and the inner wall of the anti-skid groove is fixedly connected with an anti-skid pad made of rubber.