CN217705705U

CN217705705U - Anti-theft anti-corrosion license plate fixing and sealing device

Info

Publication number: CN217705705U
Application number: CN202221174920.1U
Authority: CN
Inventors: 李新城; 李尚目; 蔡苏真; 蒋招方
Original assignee: Wenzhou Shengdun Traffic Equipment Co ltd
Current assignee: Wenzhou Shengdun Traffic Equipment Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-01
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a license plate seals technical field admittedly, especially relates to a theftproof anticorrosion license plate seals device admittedly. The technical scheme includes that the screw cap comprises a screw cap and a screw bolt, an elastic washer is sleeved on the screw bolt, a nut is installed on the screw bolt in a threaded mode, a screw head is fixedly arranged at the top end of the screw bolt, the screw head is inserted into a circular groove formed in the screw cap, a sealing ring is fixedly arranged on one side, opposite to the screw head, of the circular groove, and the inner wall of the sealing ring is in butt joint with an annular groove formed in the outer side of the top of the screw head. The utility model has the advantages that the rainwater can rapidly flow through the outer wall of the gland and the outer wall of the sealing ring, thereby preventing the rainwater from entering the gap between the gland and the number plate and corroding the number plate; the external tension of the gland is increased, and the anti-theft strength is improved.

Description

Anti-theft anti-corrosion license plate fixing and sealing device

Technical Field

The utility model relates to a license plate seals technical field admittedly, specifically is a theftproof anticorrosion license plate seals device admittedly.

Background

The license plate fixing and sealing device is an important component of a motor vehicle license plate, a license plate on a motor vehicle is fixed on a license plate mounting frame by adopting a screw connecting piece of the fixing and sealing device, and a screw head is covered by a pressing cover clamped at the front end of a screw.

The number plate is fixed on the number plate frame through the fixing and sealing device, the stud penetrates through a hole in the number plate and is fixed by mounting a nut on the stud in a threaded mode, and the screw head is sealed by a pressing cover on the screw head clamp. After screw head was sealed to general gland, the position of contact can be left the space between gland and the license plate, and the rainwater can enter into the junction of license plate and stud through the space, easily leads to the license plate to be corroded. In view of this, an anti-theft and anti-corrosion license plate sealing device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a theftproof anticorrosion license plate seals device admittedly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a theftproof anticorrosion license plate seals device admittedly, includes gland and double-screw bolt, the cover has the elasticity packing ring on the double-screw bolt, the nut is installed to the screw thread on the double-screw bolt, the double-screw bolt top has set firmly the spiral shell head, the spiral shell head injects the circular slot that the gland was seted up, the circular slot has set firmly the sealing washer for one side of spiral shell head, the inner wall of sealing washer docks with the ring channel that the spiral shell head top outside was seted up.

Preferably, a limiting ring is fixedly arranged inside the circular groove, the screw head penetrates through the limiting ring, and the outer wall of the screw head is in contact with the inner wall of the limiting ring.

Preferably, the outer wall of the gland and the outer wall of the sealing ring are designed by inclined outer walls of round tables, and the inclination of the outer wall of the gland is consistent with that of the outer wall of the sealing ring.

Preferably, sealing washer inner wall bottom is provided with first annular inclined plane, sealing washer inner wall top is provided with second annular inclined plane, the sealing washer inner wall between first annular inclined plane and the second annular inclined plane sets to vertical face, annular spacing groove has been seted up on the sealing washer inner wall of second annular inclined plane department, annular spacing groove top is provided with the third annular inclined plane of leanin.

Preferably, the top of the annular groove is provided with a fifth annular inclined plane, the bottom of the annular groove is provided with an annular surface, the fifth annular inclined plane is in complete contact with the second annular inclined plane, and a vertical surface formed by the inner wall of the sealing ring between the first annular inclined plane and the second annular inclined plane is in contact with the annular surface.

Preferably, the outer wall of the fifth annular inclined plane is fixedly provided with a positioning ring, the top of the positioning ring is provided with a fourth annular inclined plane which inclines inwards, the positioning ring is clamped into the annular limiting groove, the third annular inclined plane is completely contacted with the fourth annular inclined plane, and the embedding design formed by the third annular inclined plane and the fourth annular inclined plane increases the external tension of the gland.

Compared with the prior art, the beneficial effects of the utility model are that:

1. after the double-screw bolt passes the hole on number plate and number plate frame, sheathe in the spring washer behind the double-screw bolt and twist the nut, tighten the nut, the gland card is on the spiral shell, the spiral shell head stretches into from the circular slot of gland entering end, the gland covers the back with the spiral shell head completely, the sealing washer is extruded between gland and number plate, the sealing washer seals the space between gland and the number plate, gland outer wall and sealing washer outer wall all adopt the slope outer wall design of round platform simultaneously, the rainwater can flow through gland outer wall and sealing washer outer wall fast, thereby the space that the rainwater got into between gland and the number plate has been avoided corrodes the number plate.

2. The in-process that the spiral shell head stretched into from the circular slot of gland entering end, the spiral shell head contacted first annular inclined plane earlier, under the effect on first annular inclined plane, the spiral shell head was with the inboard jack-up of sealing washer, the spiral shell head gets into the circular slot, wait to the spiral shell head gets into the circular slot in the whole back, the sealing washer gets back to the normal position under the effect of self elasticity, fifth annular inclined plane and the contact of second annular inclined plane this moment, the holding ring card goes into annular spacing inslot, fourth annular inclined plane and the contact of third annular inclined plane, the inboard vertical face of sealing washer between first annular inclined plane and the second annular inclined plane supports the spiral shell head with the annular face contact, second annular inclined plane supports fifth annular inclined plane, thereby fix a position the spiral shell head in the circular slot. When the gland is pulled outwards, the external tension of the gland is increased by the embedded design formed by the fourth annular inclined plane and the third annular inclined plane, and the anti-theft strength is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional connection structure of the present invention;

fig. 3 is an enlarged schematic structural view of fig. 2 according to the present invention;

fig. 4 is a schematic view of the inner side structure of the sealing ring of the present invention;

FIG. 5 is a schematic view of the screw head connection structure of the present invention;

fig. 6 is an enlarged schematic structural view of fig. 5 of the present invention.

In the figure: 1. a gland; 101. a circular groove; 102. a limiting ring; 2. a seal ring; 201. a first annular chamfer; 202. a second annular chamfer; 203. an annular limiting groove; 204. a third annular chamfer; 3. a stud; 4. an elastic washer; 5. a nut; 6. a screw head; 601. an annular groove; 602. a positioning ring; 603. a fourth annular ramp; 604. an annular face; 605. a fifth annular inclined surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a technical scheme:

referring to fig. 1-2, an anti-theft and anti-corrosion license plate sealing device includes a gland 1 and a stud 3, the stud 3 is sleeved with an elastic washer 4, the stud 3 is provided with a nut 5 by a thread, the top end of the stud 3 is fixedly provided with a screw head 6, the screw head 6 is inserted into a circular groove 101 formed in the gland 1, a limit ring 102 is fixedly arranged in the circular groove 101, the screw head 6 penetrates through the limit ring 102, and the outer wall of the screw head 6 contacts with the inner wall of the limit ring 102. The stop ring 102 positions the screw head 6 so that the screw head 6 in the circular groove 101 is held stable with respect to the gland 1. After the stud 3 penetrates through holes in the number plate and the number plate frame, an elastic washer 4 is sleeved on the rear portion of the stud 3, a nut 5 is screwed on the rear portion of the stud 3, the nut 5 is screwed tightly, the gland 1 is clamped on the screw head 6, the screw head 6 extends into the circular groove 101 in the inlet end of the gland 1, and the gland 1 completely covers the screw head 6.

Specifically, a sealing ring 2 is fixedly arranged on one side of the circular groove 101, which is opposite to the screw head 6, and the inner wall of the sealing ring 2 is butted with an annular groove 601 formed in the outer side of the top of the screw head 6. The outer wall of the gland 1 and the outer wall of the sealing ring 2 are designed by adopting inclined outer walls of round tables, and the inclination of the outer wall of the gland 1 is consistent with that of the outer wall of the sealing ring 2. Gland 1 covers the back completely with spiral shell head 6, and sealing washer 2 extrudees between gland 1 and No. tablet, and sealing washer 2 seals the space between gland 1 and No. tablet, and the slope outer wall design of round platform is all adopted to 1 outer wall of gland and 2 outer walls of sealing washer simultaneously, and the rainwater can flow through 1 outer wall of gland and 2 outer walls of sealing washer fast to the space that has avoided the rainwater to get into between gland 1 and the No. tablet corrodes the No. tablet.

The utility model provides a technical scheme:

referring to fig. 2-6, a first annular inclined surface 201 is disposed at the bottom of the inner wall of the sealing ring 2, a second annular inclined surface 202 is disposed at the top of the inner wall of the sealing ring 2, the inner wall of the sealing ring 2 between the first annular inclined surface 201 and the second annular inclined surface 202 is disposed as a vertical surface, an annular limiting groove 203 is disposed on the inner wall of the sealing ring 2 at the position of the second annular inclined surface 202, and a third annular inclined surface 204 which is inclined inward is disposed at the top of the annular limiting groove 203. The top of the annular groove 601 is provided with a fifth annular inclined surface 605, the bottom of the annular groove 601 is provided with an annular surface 604, the fifth annular inclined surface 605 is completely contacted with the second annular inclined surface 202, and the vertical surface of the inner wall of the sealing ring 2 between the first annular inclined surface 201 and the second annular inclined surface 202 is contacted with the annular surface 604. The outer wall of the fifth annular inclined surface 605 is fixedly provided with a positioning ring 602, the top of the positioning ring 602 is provided with a fourth annular inclined surface 603 which is inclined inwards, the positioning ring 602 is clamped in the annular limiting groove 203, and the third annular inclined surface 204 is completely contacted with the fourth annular inclined surface 603. In the process that the screw head 6 extends into the circular groove 101 at the inlet end of the gland 1, the screw head 6 contacts the first annular inclined surface 201 first, the screw head 6 jacks up the inner side of the sealing ring 2 under the action of the first annular inclined surface 201, the screw head 6 enters the circular groove 101, after the screw head 6 completely enters the circular groove 101, the sealing ring 2 returns to the original position under the action of self elasticity, the fifth annular inclined surface 605 contacts the second annular inclined surface 202 at the moment, the positioning ring 602 is clamped into the annular limiting groove 203, and the fourth annular inclined surface 603 contacts the third annular inclined surface 204. The vertical surface of the inside of the sealing ring 2 between the first 201 and second 202 annular ramps is in contact with the annular surface 604 against the screw head 6 and the second 202 annular ramp is against the fifth 605 annular ramp, thereby positioning the screw head 6 in the circular groove 101. When the gland 1 is pulled outwards, the external pulling force of the gland 1 is increased by the embedded design formed by the fourth annular inclined surface 603 and the third annular inclined surface 204, and the anti-theft strength is improved.

The working principle is as follows: after the stud 3 passes through holes in a number plate and a number plate frame, an elastic washer 4 is sleeved on the rear portion of the stud 3 and a nut 5 is screwed, the nut 5 is screwed tightly, the gland 1 is clamped on the screw head 6, the screw head 6 extends into the circular groove 101 at the inlet end of the gland 1, the screw head 6 contacts with the first annular inclined surface 201 first, under the action of the first annular inclined surface 201, the screw head 6 jacks up the inner side of the sealing ring 2, the screw head 6 enters the circular groove 101, after the screw head 6 completely enters the circular groove 101, the sealing ring 2 returns to the original position under the action of self elastic force, at the moment, the fifth annular inclined surface 605 contacts with the second annular inclined surface 202, the positioning ring 602 is clamped into the annular limiting groove 203, and the fourth annular inclined surface 603 contacts with the third annular inclined surface 204. The vertical surface inside the seal ring 2 between the first annular chamfer 201 and the second annular chamfer 202 is in contact with the annular surface 604 against the screw head 6, and the second annular chamfer 202 is against the fifth annular chamfer 605, thereby positioning the screw head 6 in the circular groove 101.

Gland 1 covers the back completely with spiral shell head 6, and sealing washer 2 extrudees between gland 1 and number tablet, and sealing washer 2 seals the space between gland 1 and the number tablet, and the rainwater can flow through 1 outer wall of gland and 2 outer walls of sealing washer fast.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a theftproof anticorrosion license plate seals device admittedly, includes gland (1) and double-screw bolt (3), the cover has spring washer (4) on double-screw bolt (3), nut (5), its characterized in that are installed to the screw thread on double-screw bolt (3): the screw bolt is characterized in that a screw head (6) is fixedly arranged at the top end of the screw bolt (3), the screw head (6) is inserted into a circular groove (101) formed in the gland (1), a sealing ring (2) is fixedly arranged on one side, opposite to the screw head (6), of the circular groove (101), and the inner wall of the sealing ring (2) is in butt joint with an annular groove (601) formed in the outer side of the top of the screw head (6).

2. The anti-theft anti-corrosion license plate fixing and sealing device according to claim 1, characterized in that: a limiting ring (102) is fixedly arranged inside the circular groove (101), the screw head (6) penetrates through the limiting ring (102), and the outer wall of the screw head (6) is in contact with the inner wall of the limiting ring (102).

3. The anti-theft anti-corrosion license plate fixing and sealing device according to claim 1, characterized in that: the outer wall of the gland (1) and the outer wall of the sealing ring (2) are designed by inclined outer walls of round tables, and the inclination of the outer wall of the gland (1) is consistent with that of the outer wall of the sealing ring (2).

4. The anti-theft anti-corrosion license plate fixing and sealing device according to claim 1, characterized in that: the sealing ring is characterized in that a first annular inclined plane (201) is arranged at the bottom of the inner wall of the sealing ring (2), a second annular inclined plane (202) is arranged at the top of the inner wall of the sealing ring (2), a vertical plane is arranged on the inner wall of the sealing ring (2) between the first annular inclined plane (201) and the second annular inclined plane (202), an annular limiting groove (203) is formed in the inner wall of the sealing ring (2) at the position of the second annular inclined plane (202), and a third annular inclined plane (204) which inclines inwards is arranged at the top of the annular limiting groove (203).

5. The anti-theft anti-corrosion license plate fixing and sealing device according to claim 4, characterized in that: the sealing ring is characterized in that a fifth annular inclined surface (605) is arranged at the top of the annular groove (601), an annular surface (604) is arranged at the bottom of the annular groove (601), the fifth annular inclined surface (605) is completely contacted with the second annular inclined surface (202), and a vertical surface formed by the inner wall of the sealing ring (2) between the first annular inclined surface (201) and the second annular inclined surface (202) is contacted with the annular surface (604).

6. The anti-theft anti-corrosion license plate fixing and sealing device according to claim 5, characterized in that: the outer wall of the fifth annular inclined surface (605) is fixedly provided with a positioning ring (602), the top of the positioning ring (602) is provided with an inward inclined fourth annular inclined surface (603), the positioning ring (602) is clamped into the annular limiting groove (203), the third annular inclined surface (204) is completely contacted with the fourth annular inclined surface (603), and the embedding design formed by the third annular inclined surface (204) and the fourth annular inclined surface (603) increases the external tension of the gland (1).