CN210970666U

CN210970666U - Fuel tank lock

Info

Publication number: CN210970666U
Application number: CN201921807224.8U
Authority: CN
Inventors: 陈洋洋; 杜兴如
Original assignee: Zhejiang Lisheng Locomotive Technology Co ltd
Current assignee: Zhejiang Lisheng Locomotive Technology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-10
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a fuel tank lock, which comprises an outer ring, a face cover, a lock core and a base, wherein the upper surface of the outer ring is provided with the face cover, the outer ring is provided with a hole for installing a waterproof cover, the lower surface of the outer ring is provided with the base, the lock core is arranged in the base, the top end of a circular rubber sealing gasket is connected with a check ring, the check ring is arranged on the inner wall of the base, and the base is provided with a first vent valve and a second vent valve, thereby realizing the normal use of the vehicle.

Description

Fuel tank lock

Technical Field

The utility model relates to an oil tank lock technical field especially relates to an oil tank lock.

Background

The vehicle of internal-combustion engine power supply can set up an oil tank that supplies the fuel to store, and the oil tank is provided with the fuel filler nozzle so that the interpolation of fuel, is equipped with the oil cap on this fuel filler nozzle, and this oil cap avoids in external water or foreign matter get into this oil tank, can avoid the interior fuel oil volatile oil gas of this oil tank wantonly to disperse in the atmosphere simultaneously and cause the pollution. The existing oil tank cover is poor in anti-theft effect, meanwhile, a strong negative pressure is formed in a traditional oil tank when an internal combustion engine runs, the oil temperature in the oil tank can rise when a large truck runs, when the temperature rises to a certain temperature, the air pressure in the oil tank rises sharply, the oil tank is prone to explosion when the air pressure is too high, and potential safety hazards exist.

Disclosure of Invention

The utility model provides a fuel tank lock, aim at can lock the fuel tank lock, the leakproofness is good and have good ventilative function, can be balanced inside and outside atmospheric pressure.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a fuel tank lock, includes outer lane, face lid, lock core and base, the last surface mounting of outer lane has the face lid, waterproof cover is installed to the trompil on the outer lane, the lower surface mounting of outer lane has the base, install the lock core in the base, the spring bolt is installed to the below of lock core, the lower surface of base is provided with the position circle, the position circle and install the return spring between the base, just the outer wall joint of position circle has circular rubber seal pad, circular rubber seal pad's top is connected with the retaining ring, the retaining ring is installed on the inner wall of base, first breather valve and second breather valve have been seted up on the base.

Preferably, in the above fuel tank lock, a hinge is installed at one end of the waterproof cover, and the waterproof cover is movably connected with the face cover through the hinge.

Based on the technical characteristics, the waterproof cover can be arranged to play a waterproof or dustproof role in structures such as an oil tank lock body and the like.

Preferably, in the above fuel tank lock, a sealing gasket is disposed at a joint between the base and the cover.

Based on above-mentioned technical characteristics, through the setting of seal ring, can improve the leakproofness between base and the face lid, be favorable to using for a long time.

Preferably, in the above oil tank lock, an outer ring buffer rubber ring is installed at the lower surface edge of the outer ring.

Based on the technical characteristics, the outer ring is provided with the buffer rubber ring, so that the oil tank lock body can be conveniently installed and operated, and a certain damping function is realized.

Preferably, in the above oil tank lock, the first vent valve and the second vent valve are disposed through the sealing gasket, and both the first vent valve and the second vent valve are disposed in a one-way vent valve.

Based on above-mentioned technical characteristics, through the setting of first breather valve and second breather valve, the stability of atmospheric pressure inside and outside the oil tank can automatic balance to realize the normal use of vehicle.

Preferably, in the above oil tank lock, the first vent valve and the second vent valve are arranged in parallel with the lock cylinder.

Based on above-mentioned technical characteristic, structural design is reasonable and the gas tightness is good.

The utility model has the advantages that: the utility model provides an oil tank lock accessible face lid and outer lane perfect adaptation, can stop the face lid in arbitrary angular position, convenience of customers refuels the operation, and the setting is equipped with the lock core, it can prevent effectively that the fuel tank lock is opened by force to the outsider and fuel in the oil tank is stolen without authorization, the theftproof performance is good, the oil tank lock is provided with two breather valves simultaneously, atmospheric pressure in outside atmospheric pressure and the oil tank is different, two breather valves can be mutual corresponding carry out the work regulation, and then can realize inside and outside atmospheric pressure basic balance at any time, thereby realize the normal use of vehicle.

Drawings

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

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

fig. 2 is a top view of the fuel tank cap of the present invention;

fig. 3 is an external top view of the fuel tank cap of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer ring; 2. a face cover; 3. a lock cylinder; 4. a waterproof cover; 5. a sealing gasket; 6. a return spring; 7. a retainer ring; 8. a circular rubber gasket; 9. positioning rings; 10. a base; 11. a latch bolt; 12. an outer ring buffer rubber ring; 13. a first vent valve; 14. a second vent valve.

Detailed Description

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment is a fuel tank lock, including an outer ring 1, a face cover 2, a lock cylinder 3 and a base 10, wherein an outer ring cushion rubber ring 12 is installed at a lower surface edge of the outer ring 1, and the outer ring cushion rubber ring 12 is installed to facilitate installation work of the fuel tank lock, and has a certain damping function, the face cover 2 is installed on an upper surface of the outer ring 1, a waterproof cover 4 is installed on an opening of the outer ring 1, a hinge is installed at one end of the waterproof cover 4, and the waterproof cover 4 is movably connected to the face cover 2 through the hinge, a waterproof or dustproof function can be performed on structures such as the fuel tank lock through the installation of the waterproof cover 4, the base 10 is installed on a lower surface of the outer ring 1, a sealing gasket 5 is installed at a joint between the base 10 and the face cover 2, and the sealing performance between the base 10 and the face cover 2 can, the lock cylinder is installed in the base 10, the lock tongue 11 is installed below the lock cylinder 3, the lower surface of the base 10 is provided with the positioning ring 9, the return spring 6 is installed between the positioning ring 9 and the base 10, the outer wall of the positioning ring 9 is clamped with the circular rubber sealing gasket 8, the top end of the circular rubber sealing gasket 8 is connected with the check ring 7, the check ring 7 is installed on the inner wall of the base 10, the base 10 is provided with the first vent valve 13 and the second vent valve 14, the first vent valve 13 and the second vent valve 14 are arranged to penetrate through the sealing gasket 5, the first vent valve 13 and the second vent valve 14 are both arranged as one-way vent valves, the stability of the air pressure inside and outside the oil tank can be automatically balanced through the arrangement of the first vent valve 13 and the second vent valve 14, so that the normal use of a vehicle is realized, the first vent valve 13 and the second vent valve 14 are arranged in parallel with the lock, structural design is reasonable and the gas tightness is good.

The utility model discloses a concrete implementation, the utility model has the advantages of reasonable design, when using, the oil tank lock can pass face lid 2 and outer lane 1 perfect adaptation, can stop face lid 2 in arbitrary angular position, convenience of customers refuels the operation, through the setting of waterproof lid 4, can play a waterproof or dustproof function to structures such as oil tank lock body, the setting is equipped with lock core 3, use the lock core 3 of mating, can open this oil tank lid, refuel the operation, it can prevent effectively that the outsider from opening the oil tank lock by force and unauthorized steal the fuel in the oil tank, be provided with two breather valves on the base 10, when outside atmospheric pressure is showing to be higher than the atmospheric pressure in the oil tank, first breather valve 13 can be closed, second breather valve 14 is opened; when the external air pressure is obviously lower than the air pressure in the oil tank, the first vent valve 13 is opened, and the second vent valve 14 is closed, so that the internal and external air pressures can be basically balanced at any time, and the normal use of the vehicle is realized.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A fuel tank lock, its characterized in that: comprises an outer ring (1), a face cover (2), a lock core (3) and a base (10), the upper surface of the outer ring (1) is provided with a surface cover (2), a hole on the outer ring (1) is provided with a waterproof cover (4), the lower surface of the outer ring (1) is provided with a base (10), a lock cylinder (3) is arranged in the base (10), a bolt (11) is arranged below the lock core (3), a positioning ring (9) is arranged on the lower surface of the base (10), a return spring (6) is arranged between the positioning ring (9) and the base (10), and the outer wall of the positioning ring (9) is clamped with a circular rubber sealing gasket (8), the top end of the round rubber sealing gasket (8) is connected with a check ring (7), the check ring (7) is arranged on the inner wall of the base (10), the base (10) is provided with a first vent valve (13) and a second vent valve (14).

2. The fuel tank lock according to claim 1, wherein: the hinge is installed to the one end of waterproof cover (4), just waterproof cover (4) are through hinge swing joint face lid (2).

3. The fuel tank lock according to claim 1, wherein: and a sealing gasket (5) is arranged at the joint between the base (10) and the face cover (2).

4. The fuel tank lock according to claim 1, wherein: and an outer ring buffer rubber ring (12) is arranged at the edge of the lower surface of the outer ring (1).

5. The fuel tank lock according to claim 3, wherein: the first ventilation valve (13) and the second ventilation valve (14) penetrate through the sealing washer (5) to be arranged, and the first ventilation valve (13) and the second ventilation valve (14) are both arranged in a one-way ventilation valve mode.

6. The fuel tank lock according to claim 5, wherein: the first vent valve (13) and the second vent valve (14) are arranged in parallel with the lock cylinder (3).