CN214189298U

CN214189298U - Fuel tank exposed anti-theft oil drain plug screw for light and heavy truck

Info

Publication number: CN214189298U
Application number: CN202120220658.9U
Authority: CN
Inventors: 姜丽勇
Original assignee: Wenzhou Huanggang Hardware Co ltd
Current assignee: Wenzhou Huanggang Hardware Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-14
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a fuel tank exposed anti-theft oil drain plug for a light truck, which comprises a plug body, wherein the bottom of the inner cavity of the plug body is provided with an upper counter bore, the inner cavity of the upper counter bore is provided with a magnet block, and the inner cavity of the plug body below the upper counter bore is provided with a lower counter bore, the L-shaped limiting rod can be clamped into the inner cavity of the plug body through the elastic action of a reset spring to limit the plug body, the fuel tank plug can be unscrewed at the moment to perform oiling work, the L-shaped limiting rods are pulled inwards to enable the two groups of L-shaped limiting rods to mutually approach and compress the reset spring, the L-shaped limiting rods slide in the inner cavity of a slide rail through a slide block, then a nut is rotated to fix the L-shaped limiting rods on the outer wall of a screw rod, at the moment, the screw cap and the plug body are in a free rotation matching state, the screwing cap only idles, and the screw cap can shield the plug body, the plug body is prevented from being exposed outside, and the screw plug can play a good anti-theft role.

Description

Fuel tank exposed anti-theft oil drain plug screw for light and heavy truck

Technical Field

The utility model relates to a fuel tank accessory technical field specifically is a fuel tank exposes theftproof oil drain plug screw for light truck car.

Background

The fuel tank is a container for loading fuel on a light truck, and can be divided into a metal fuel tank and a nonmetal fuel tank according to materials, at present, along with the development of the automobile industry and the joyful of the automobile industry in China, the demand of each large automobile production enterprise on the automobile fuel tank is an obvious increasing trend, as is well known, a plug screw is an indispensable part on the fuel tank, however, the existing plug screw has some defects in the using process, and the specific problems are as follows:

the existing screw plug does not have the advantage of theft prevention, because the heavy truck is heavy, the oil tank volume is large, and the oil storage is also many, once the oil in the oil tank is stolen, can cause huge economic loss for the car owner, and in addition, the machine oil in the oil tank can inevitably bring the dirt in the machine oil lubricating system into the oil tank after being used for a long time, causes certain pollution for the machine oil, has reduced the cleanliness of machine oil.

Disclosure of Invention

An object of the utility model is to provide a fuel tank exposes theftproof oil drain plug screw for light truck to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-theft oil drain plug with an exposed fuel tank for a light truck comprises a plug body, wherein the bottom of an inner cavity of the plug body is provided with an upper counter bore, the inner cavity of the upper counter bore is provided with a magnet block, the inner cavity of the plug body below the upper counter bore is provided with a lower counter bore, the top of the inner cavity of the plug body is provided with a groove, the center of the inner cavity of the groove is provided with a rotating shaft through a bearing, one end of the rotating shaft, which is far away from the groove, is provided with a rotary cover through the bearing, the bottom of the rotary cover is provided with a turning edge, the turning edge is sleeved at the upper end of the outer wall of the plug body, the left end and the right end of the inner cavity of the rotary cover are symmetrically provided with L-shaped limiting rods, one end of the L-shaped limiting rod, which is far away from the vertical central line of the rotary cover, penetrates through the groove and extends into the inner cavity of the plug body, the inner cavity of the groove is provided with limiting holes which are matched with the L-shaped limiting rods, and reset springs are evenly arranged between the inner sides of the L-shaped limiting rods, and the reset spring is positioned in the inner cavity of the screw cap, the screw cap extends out of the top of the L-shaped limiting rod, a screw rod transversely penetrates through the inner cavity of the L-shaped limiting rod, and nuts are symmetrically screwed at the left end and the right end of the outer wall of the screw rod.

Preferably, the lower end of the outer wall of the plug body is uniformly provided with external threads, and the upper end face of the external threads and the lower end face of the turning edge are in the same horizontal line.

Based on the technical characteristics, the plug body can be well shielded, the plug body is prevented from being exposed, and the anti-theft performance of the screw plug is improved.

Preferably, the inner wall of the plug body is provided with a polyethylene corrosion-resistant layer, one end of the inner wall of the plug body, which is close to the polyethylene corrosion-resistant layer, is provided with a carbon steel reinforcing layer, an inner cavity of the carbon steel reinforcing layer is provided with a first reinforcing rib and a second reinforcing rib respectively, and an included angle between the first reinforcing rib and the second reinforcing rib is 90 degrees.

Based on above-mentioned technical characteristics, through setting up polyethylene corrosion resistant layer, improved the corrosion resisting property of cock body, simultaneously through setting up first strengthening rib and second strengthening rib for the inner structure of cock body is more stable, has improved the intensity of cock body, has prolonged the life of cock body.

Preferably, the bottom of the L-shaped limiting rod is provided with a sliding block, sliding rails are symmetrically arranged at the left end and the right end of the bottom of the inner cavity of the spiral cover, and the sliding rails are connected with the sliding blocks in a sliding mode.

Based on the technical characteristics, the L-shaped limiting rod is smoother in the sliding process, and the situation of blocking is avoided.

Preferably, a sealing ring is arranged at the joint of the screw cap and the plug body.

Based on the technical characteristics, the sealing performance is improved, and the condition that engine oil in the oil tank leaks is avoided.

Preferably, the thickness of the magnet block is the same as the depth of the upper counter bore.

Based on the technical characteristics, the dirt in the oil tank is conveniently adsorbed and is better stored in the lower counter bore, and the cleaning of the engine oil can be facilitated.

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

(1) the L-shaped limiting rod can be clamped into an inner cavity of the plug body through the elastic force of the reset spring to limit the plug body, the oil tank plug can be unscrewed at the moment, oiling work is carried out, the L-shaped limiting rod is pulled inwards after oiling is finished, two groups of L-shaped limiting rods are close to each other and compress the reset spring, the L-shaped limiting rods slide in the inner cavity of the sliding rail through the sliding blocks, then the nut is rotated to enable the L-shaped limiting rods to be fixed on the outer wall of the screw rod, the screwing cap only idles when the screwing cap and the plug body are in a free rotation fit state, the plug body can be shielded by the screwing cap, the plug body is prevented from being exposed outside, and the screwing cap can play a good anti-theft role;

(2) the magnet piece set up can adsorb the dirt in the oil tank, goes up the setting of counter bore and sink hole and can make the adsorbed dirt of magnet store in counter bore under better, the influence of the machine oil during operation disturbance in the less oil tank to be favorable to the cleanness of machine oil in the oil tank most.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic bottom view of the present invention;

fig. 4 is a schematic view of the plug body of the present invention.

In the figure: 1. screwing a cover; 2. an L-shaped limiting rod; 3. a limiting hole; 4. a groove; 5. an upper counter bore; 6. a magnet block; 7. a lower counter bore; 8. a plug body; 9. turning over edges; 10. a rotating shaft; 11. a seal ring; 12. a nut; 13. a return spring; 14. a slide rail; 15. a screw; 16. a slider; 17. a polyethylene corrosion resistant layer; 18. a carbon steel reinforcement layer; 19. a first reinforcing rib; 20. and a second reinforcing rib.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides an embodiment: an exposed anti-theft oil drain plug for a fuel tank of a light truck comprises a plug body 8, wherein the bottom of an inner cavity of the plug body 8 is provided with an upper counter bore 5, the inner cavity of the upper counter bore 5 is provided with a magnet block 6, the thickness of the magnet block 6 is the same as the depth of the upper counter bore 5, the inner wall of the plug body 8 is provided with a polyethylene corrosion resistant layer 17, one end of the inner wall of the plug body 8, which is close to the polyethylene corrosion resistant layer 17, is provided with a carbon steel reinforcing layer 18, the inner cavity of the carbon steel reinforcing layer 18 is respectively provided with a first reinforcing rib 19 and a second reinforcing rib 20, the included angle between the first reinforcing rib 19 and the second reinforcing rib 20 is 90 degrees, the inner cavity of the plug body 8, which is arranged below the upper counter bore 5, the top of the inner cavity of the plug body 8 is provided with a groove 4, the center of the inner cavity of the groove 4 is provided with a rotating shaft 10 through a bearing, one end of the rotating shaft 10, which is far away from the groove 4, is provided with a rotating cover 1 through the bearing, and the joint of the rotating cover 1 and the plug body 8 is provided with a sealing ring 11, the bottom of the screw cap 1 is provided with a turning edge 9, the turning edge 9 is sleeved at the upper end of the outer wall of the plug body 8, the lower end of the outer wall of the plug body 8 is uniformly provided with external threads, the upper end surface of the external threads and the lower end surface of the turning edge 9 are positioned at the same horizontal line, the left end and the right end of the inner cavity of the screw cap 1 are symmetrically provided with L-shaped limiting rods 2, one ends of the L-shaped limiting rods 2, far away from the vertical central line of the screw cap 1, penetrate through the grooves 4 and extend into the inner cavity of the plug body 8, the bottom of the L-shaped limiting rods 2 is provided with sliding blocks 16, the left end and the right end of the inner cavity of the screw cap 1 are symmetrically provided with sliding rails 14, the sliding rails 14 are in sliding connection with the sliding blocks 16, the inner cavity of the grooves 4 is provided with limiting holes 3 matched with the L-shaped limiting rods 2, return springs 13 are uniformly arranged between the inner sides of the L-shaped limiting rods 2, the return springs 13 are positioned in the inner cavity of the screw cap 1, the top of the L-shaped limiting rods 2 extends out of the screw cap 1, a screw rod 15 transversely penetrates through the inner cavity of the L-shaped limiting rod 2, and nuts 12 are symmetrically screwed at the left end and the right end of the outer wall of the screw rod 15.

The working principle is as follows: when the oil tank is required to be opened for oiling, the outer peripheral surface of the lower end of the plug body 8 is provided with external threads, so that the plug screw is in spiral sealing fit with a corresponding oil inlet or a corresponding sewage outlet, when the oil tank is required to be opened for oiling, the L-shaped limiting rod 2 can be clamped into the inner cavity of the plug body 8 under the elastic action of the reset spring 13 to limit the plug body 8, the screw cap 1 and the plug body 8 are in a rotation stopping state, the plug screw can be unscrewed for oiling, after oiling is finished, the L-shaped limiting rod 2 is pulled inwards to enable the two groups of L-shaped limiting rods 2 to be close to each other and compress the reset spring 13, the L-shaped limiting rod 2 slides in the inner cavity of the slide rail 14 through the slide block 16, the phenomenon that the L-shaped limiting rod 2 is clamped when sliding is avoided, then the nut 12 is rotated and is close to the L-shaped limiting rod 2 until the L-shaped limiting rod 2 is separated from the inner cavity of the plug body 8, and at this moment, the screw cap 1 and the plug body 8 are in a free rotation fit state, the screwing of the screw cap 1 only idles for 360 degrees, and simultaneously, because the lower end surface of the screw cap 1 and the upper end surface of the external thread of the plug body 8 are positioned on the same horizontal line, so that the screw cap 1 can shield the plug body 8 and prevent the plug body 8 from being exposed, and further the screw plug can play a good anti-theft role to avoid oil spilling of an oil tank, the sealing ring 11 is arranged between the screw cap 1 and the plug body 8, the corrosion resistance of the plug body 8 is improved by arranging the polyethylene corrosion-resistant layer 17 on the inner wall of the plug body 8, meanwhile, the first reinforcing rib 19 and the second reinforcing rib 20 are arranged, so that the internal structure of the plug body 8 is more stable, the strength of the plug body 8 is improved, the service life of the plug body 8 is prolonged, dirt in the oil tank can be adsorbed in the lower counter bore 7 through the arrangement of the magnet block 6 for storage, the screw plug is less affected by the disturbance of the engine oil in the oil tank during operation, thereby being most beneficial to the cleaning of the engine oil in the oil tank.

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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a fuel tank exposes theftproof oil drain plug for light heavy truck car, includes cock body (8), its characterized in that: the plug is characterized in that an upper counter bore (5) is formed in the bottom of an inner cavity of the plug body (8), a magnet block (6) is arranged in the inner cavity of the upper counter bore (5), a lower counter bore (7) is formed in an inner cavity of the plug body (8) below the upper counter bore (5), a groove (4) is formed in the top of the inner cavity of the plug body (8), a rotating shaft (10) is arranged at the center of the inner cavity of the groove (4) through a bearing, a rotary cover (1) is installed at one end, far away from the groove (4), of the rotating shaft (10) through the bearing, a turning edge (9) is arranged at the bottom of the rotary cover (1), the turning edge (9) is sleeved at the upper end of the outer wall of the plug body (8), L-shaped limiting rods (2) are symmetrically arranged at the left end and the right end of the inner cavity of the rotary cover (1), far away from the vertical central line of the rotary cover (1), of each L-shaped limiting rod (2) penetrates through the groove (4) and extends into the inner cavity of the plug body (8), spacing hole (3) of matcing each other with L type gag lever post (2) are all seted up to the inner chamber of recess (4), evenly be provided with reset spring (13) between the inboard of L type gag lever post (2), and reset spring (13) all are located the inner chamber of spiral cover (1), spiral cover (1) all is stretched out at the top of L type gag lever post (2), the inner chamber of L type gag lever post (2) transversely runs through there is screw rod (15), screw rod (15) outer wall about both ends symmetry spiro union have nut (12).

2. The fuel tank exposed anti-theft oil drain plug for the light truck automobile according to claim 1, characterized in that: the lower end of the outer wall of the plug body (8) is uniformly provided with external threads, and the upper end face of the external threads and the lower end face of the turning edge (9) are positioned on the same horizontal line.

3. The fuel tank exposed anti-theft oil drain plug for the light truck automobile according to claim 1, characterized in that: the inner wall of the plug body (8) is provided with a polyethylene corrosion-resistant layer (17), one end, close to the polyethylene corrosion-resistant layer (17), of the inner wall of the plug body (8) is provided with a carbon steel reinforcing layer (18), an inner cavity of the carbon steel reinforcing layer (18) is provided with a first reinforcing rib (19) and a second reinforcing rib (20) respectively, and an included angle between the first reinforcing rib (19) and the second reinforcing rib (20) is 90 degrees.

4. The fuel tank exposed anti-theft oil drain plug for the light truck automobile according to claim 1, characterized in that: the bottom of the L-shaped limiting rod (2) is provided with a sliding block (16), sliding rails (14) are symmetrically arranged at the left end and the right end of the bottom of the inner cavity of the spiral cover (1), and the sliding rails (14) are connected with the sliding block (16) in a sliding mode.

5. The fuel tank exposed anti-theft oil drain plug for the light truck automobile according to claim 1, characterized in that: and a sealing ring (11) is arranged at the joint of the screw cap (1) and the plug body (8).

6. The fuel tank exposed anti-theft oil drain plug for the light truck automobile according to claim 1, characterized in that: the thickness of the magnet block (6) is the same as the depth of the upper counter bore (5).