CN212555821U - Explosion-proof automobile oil tank - Google Patents

Abstract

The utility model provides an explosion-proof automobile oil tank, which comprises an outer box body, an inner box body, a damping interlayer, an oil tank oil filler hole, an auxiliary inner cover and an oil filler hole cover, wherein the inner box body is arranged in the outer box body, and the damping interlayer is bonded and arranged between the outer box body and the inner box body; the oil tank oil filling port comprises a first convex ring arranged in the outer tank body and a first concave ring arranged outside the inner tank body, the first convex ring is arranged in the first concave ring, a first shock absorption pad is filled and bonded between the first convex ring and the first concave ring, a first extension pipe capable of extending out of the outer tank body is further arranged on the inner side of the first concave ring, a connecting ring annularly arranged outside the first extension pipe is further arranged on the outer side of the outer tank body, the oil filling port cover is connected to the outer side of the connecting ring in a covering mode, and the auxiliary inner cover is connected to the inner side of the extension pipe in a covering mode; supplementary inner cup is including articulated including in the box two sets of apron and can compress tightly apron sealing cap close at the inboard elastic component of extension pipe, the utility model discloses anti-collision explosion-proof effect is better, and can improve its security performance greatly.

Description

Explosion-proof automobile oil tank

Technical Field

The utility model relates to an automobile fuel tank, especially an explosion-proof automobile fuel tank.

Background

Along with the popularization of automobiles in life, people also put forward higher and higher requirements on the safety performance of automobile driving, as is well known, an automobile fuel tank provides fuel for an automobile engine to form mechanical power energy, and the automobile fuel tank is an important component in an automobile fuel supply system and also has larger potential safety hazards, for example, when an automobile is knocked over, the anti-collision damping effect of the fuel tank is poor, the oil leakage phenomenon is easily caused due to the fact that a fuel filling port of the fuel tank is knocked over and a fuel filling port cover is influenced, the oil body can explode when encountering sparks, and the fireproof and explosion-proof capability of the fuel tank is poor.

Therefore, an anti-explosion automobile fuel tank which has better anti-collision and anti-explosion effects and can greatly improve the safety performance is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion-proof car oil tank, the anti-impact explosion-proof effect is better, and can improve its security performance greatly.

The utility model provides a following technical scheme:

an explosion-proof automobile oil tank comprises an outer tank body, an inner tank body, a damping interlayer, an oil tank oil filling port, an auxiliary inner cover and an oil filling port cover, wherein the inner tank body is arranged in the outer tank body, and the damping interlayer is arranged between the outer tank body and the inner tank body in a bonding manner; the oil tank oil filling port comprises a first convex ring arranged in the outer tank body and a first concave ring arranged outside the inner tank body, the first convex ring is arranged in the first concave ring, a first shock absorption pad is filled and bonded between the first convex ring and the first concave ring, a first extension pipe capable of extending out of the outer tank body is further arranged on the inner side of the first concave ring, a connecting ring annularly arranged outside the first extension pipe is further arranged on the outer side of the outer tank body, the oil filling port cover is connected to the outer side of the connecting ring in a covering mode, and the auxiliary inner cover is connected to the inner side of the extension pipe in a covering mode; the auxiliary inner cover comprises two groups of cover plates hinged in the inner box body and an elastic piece capable of pressing the cover plates to be sealed and covered on the inner side of the extension pipe.

Furthermore, the elastic part comprises a connecting rod, an L-shaped sliding block, a spring, a piston rod and a supporting block, the supporting block is fixed on the inner side of the inner box body, one end of the connecting rod is hinged on the inner side of the cover plate, the other end of the connecting rod is hinged on the sliding block, the sliding block is connected on a transverse plate of the supporting block in a sliding mode, one end of the piston rod is connected on the sliding block, the other end of the piston rod penetrates through a vertical plate of the supporting block, the spring is sleeved outside the piston rod, and a.

Further, still include gas vent and pressure sensor, pressure sensor installs the inboard at interior box, and the gas vent is including setting up the second bulge loop in the outer box, setting up the second notch ring outside the inner box, and the configuration of second bulge loop is in the second notch ring, and it has the second shock pad to fill the bonding between second bulge loop and the second notch ring, and the inboard of second notch ring still is equipped with and can prolongs to the outer second extension pipe of outer box.

Furthermore, an exhaust valve is arranged outside the second extension pipe.

Furthermore, the oil tank oil outlet comprises a third convex ring arranged in the outer tank body and a third concave ring arranged outside the inner tank body, the third convex ring is arranged in the third concave ring, a third shock pad is filled and bonded between the third convex ring and the third concave ring, and a third extension pipe which can be extended out of the outer tank body is further arranged on the inner side of the third concave ring.

Preferably, the shock absorbing interlayer, the first shock absorbing pad, the second shock absorbing pad and the third shock absorbing pad are all rubber layers.

The utility model has the advantages that: because the first convex ring and the first concave ring at the oil filling port of the oil tank are matched, and the first shock absorption pad is arranged between the first convex ring and the first concave ring, when the outer box body receives impact, can play a certain role in damping and protecting the oil filling port of the oil tank, the first extension pipe is arranged in the first concave ring, the outer side of the first extension pipe is connected with the oil filling port cover, the inner side of the first extension pipe is abutted against the auxiliary inner cover, after the oil filler cover is opened, the cover plate is pushed by the force applied by an external pipeline, so that the communication between the inner box body and the external box body can be realized only when the cover plate is opened by overcoming the elasticity of the spring, namely, when in oil filling, after the oil filler cap is unscrewed manually, the oil filling operation can be carried out only after the oil filler pipe pushes the cover plate to be inserted into the inner box body, before this the interior box is in isolated state with external, therefore the anti-impact explosion-proof effect is better, and can improve its security performance greatly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a structural cross-sectional view of a fuel tank filler opening;

FIG. 3 is a sectional view of the structure of the exhaust port;

FIG. 4 is a structural cross-sectional view of the fuel tank outlet;

notation in the figure: 1 is outer box, 2 is the inner box, 3 is the shock attenuation intermediate layer, 4 is the oil tank oil filler hole, 5 is supplementary inner cup, 6 is the filler cap, 7 is the gas vent, 8 is pressure sensor, 9 is the oil tank oil-out, 10 is the discharge valve, 41 is first bulge loop, 42 is first concave ring, 43 is first extension pipe, 44 is the go-between, 51 is the apron, 52 is the connecting rod, 53 is the sliding block, 54 is the spring, 55 is the piston rod, 56 is the supporting shoe, 57 is the stopper, 71 is the second bulge loop, 72 is the second concave ring, 73 is the second extension pipe, 91 is the third bulge loop, 92 is the third concave ring, 93 is the third extension pipe.

Detailed Description

Referring to fig. 1 to 4, in the present embodiment, the explosion-proof automobile fuel tank includes an outer tank 1, an inner tank 2, a shock-absorbing interlayer 3, a fuel tank filler opening 4, an auxiliary inner cap 5, and a fuel filler cap 6, wherein the inner tank 2 is disposed in the outer tank 1, and the shock-absorbing interlayer 3 is adhesively disposed between the outer tank 1 and the inner tank 2; the oil tank filler opening 4 comprises a first convex ring 41 arranged in the outer tank body 1 and a first concave ring 42 arranged outside the inner tank body 2, the first convex ring 41 is arranged in the first concave ring 42, a first shock absorption pad is filled and bonded between the first convex ring 41 and the first concave ring 42, a first extension pipe 43 capable of extending to the outside of the outer tank body 1 is further arranged on the inner side of the first concave ring 42, a connecting ring 44 annularly arranged outside the first extension pipe 43 is further arranged on the outer side of the outer tank body 1, the oil filler opening cover 6 is in threaded connection with the outer side of the connecting ring 44, and the auxiliary inner cover 5 is in covering connection with the inner side of the extension pipe; the auxiliary inner cover 5 comprises two groups of cover plates 51 hinged in the inner box body 2 and an elastic piece which can press the cover plates 51 to cover the inner side of the extension pipe in a sealing way; the elastic element comprises a connecting rod 52, an L-shaped sliding block 53, a spring 54, a piston rod 55 and a supporting block 56, the supporting block 56 is fixed on the inner side of the inner box body 2, one end of the connecting rod 52 is hinged on the inner side of the cover plate 51, the other end of the connecting rod is hinged on the sliding block 53, the sliding block 53 is connected on a transverse plate of the supporting block 56 in a sliding mode, one end of the piston rod 55 is connected on the sliding block 53, the other end of the piston rod 55 penetrates through a vertical plate of the supporting block 56, the spring 54 is sleeved outside the piston rod 55, one end of the spring is abutted against the sliding block, the other end of the spring is abutted against the vertical.

With reference to fig. 1 to 4, in this embodiment, the explosion-proof automobile fuel tank further includes an exhaust port 7 and a pressure sensor 8, the pressure sensor 8 is installed inside the inner tank body 2, the exhaust port 7 includes a second convex ring 71 disposed inside the outer tank body 1 and a second concave ring 72 disposed outside the inner tank body 2, the second convex ring 71 is disposed inside the second concave ring 72, a second shock pad is filled and bonded between the second convex ring 71 and the second concave ring 72, and a second extension pipe 73 capable of extending to the outside of the outer tank body 1 is further disposed inside the second concave ring 72; still install discharge valve 10 outside the second extension pipe 73, when pressure sensor 8 detected interior box 2 internal pressure great, discharge valve 10 was opened to the accessible, carries out the exhaust operation, has avoided frequent opening of filler cap 6, and is comparatively labour saving and time saving.

With reference to fig. 1 to 4, in this embodiment, the explosion-proof vehicle fuel tank further includes a fuel tank outlet 9, the fuel tank outlet 9 includes a third convex ring 91 disposed in the outer tank 1 and a third concave ring 92 disposed outside the inner tank 2, the third convex ring 91 is disposed in the third concave ring 92, a third shock pad is filled and bonded between the third convex ring 91 and the third concave ring 92, and a third extension pipe 93 capable of extending to the outside of the outer tank 1 is further disposed on the inner side of the third concave ring 92; the shock absorption interlayer 3, the first shock absorption pad, the second shock absorption pad and the third shock absorption pad are all rubber layers.

The utility model discloses a theory of operation is: because the first convex ring 41 and the first concave ring 42 at the oil tank filler opening 4 are matched, and the first shock absorption pad is arranged between the first convex ring 41 and the first concave ring 42, when the outer tank body 1 receives impact, a certain shock absorption protection effect can be achieved on the oil tank filler opening 4, the first extension pipe 43 is arranged in the first concave ring 42, the outer side of the first extension pipe 43 is connected with the oil filler cover 6, the inner side of the first extension pipe is abutted to the auxiliary inner cover 5, after the oil filler cover 6 is opened, the cover plate 51 is pushed by external pipeline force application, the cover plate 51 overcomes the spring 54 to be opened by elasticity, the inner tank body 2 and the external connection can be communicated, namely, when oil is filled, after the oil filler cover 6 is unscrewed manually, the oil filler pipe is required to push the cover plate 51 to be inserted into the inner tank body 2 continuously, the inner tank body 2 is in an isolated state with the external connection, and the anti-impact explosion protection effect is good, and the safety performance can be greatly improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An explosion-proof automobile oil tank is characterized by comprising an outer tank body, an inner tank body, a damping interlayer, an oil tank oil filling port, an auxiliary inner cover and an oil filling port cover, wherein the inner tank body is arranged in the outer tank body, and the damping interlayer is arranged between the outer tank body and the inner tank body in a bonding manner;

the oil tank oil filling port comprises a first convex ring arranged in the outer tank body and a first concave ring arranged outside the inner tank body, the first convex ring is arranged in the first concave ring, a first shock absorption pad is filled and bonded between the first convex ring and the first concave ring, a first extension pipe capable of extending out of the outer tank body is further arranged on the inner side of the first concave ring, a connecting ring annularly arranged outside the first extension pipe is further arranged on the outer side of the outer tank body, the oil filling port cover is connected to the outer side of the connecting ring in a covering mode, and the auxiliary inner cover is connected to the inner side of the extension pipe in a covering mode;

the auxiliary inner cover comprises two groups of cover plates hinged in the inner box body and an elastic piece capable of pressing the cover plates to be sealed and covered on the inner side of the extension pipe.

2. The explosion-proof automobile fuel tank as claimed in claim 1, wherein the elastic member comprises a connecting rod, an L-shaped sliding block, a spring, a piston rod and a supporting block, the supporting block is fixed inside the inner tank body, one end of the connecting rod is hinged inside the cover plate, the other end of the connecting rod is hinged on the sliding block, the sliding block is slidably connected on a transverse plate of the supporting block, one end of the piston rod is connected on the sliding block, the other end of the piston rod penetrates through a vertical plate of the supporting block, the spring is sleeved outside the piston rod, and a limiting block capable of abutting against the outside of the supporting block is further fixed at the end of the piston rod.

3. The explosion-proof automobile fuel tank as claimed in claim 1, further comprising a vent and a pressure sensor, wherein the pressure sensor is mounted inside the inner tank, the vent comprises a second convex ring arranged inside the outer tank and a second concave ring arranged outside the inner tank, the second convex ring is arranged inside the second concave ring, a second shock pad is filled and bonded between the second convex ring and the second concave ring, and a second extension pipe capable of extending to the outside of the outer tank is further arranged inside the second concave ring.

4. An explosion-proof automobile fuel tank as claimed in claim 3, wherein an exhaust valve is further installed outside the second extension pipe.

5. The explosion-proof automobile fuel tank of claim 1, further comprising a fuel tank outlet, wherein the fuel tank outlet comprises a third convex ring arranged in the outer tank body and a third concave ring arranged outside the inner tank body, the third convex ring is arranged in the third concave ring, a third shock pad is filled and bonded between the third convex ring and the third concave ring, and a third extension pipe capable of extending out of the outer tank body is further arranged on the inner side of the third concave ring.

6. The explosion-proof automobile fuel tank as claimed in claim 1, wherein the shock-absorbing interlayer, the first shock-absorbing pad, the second shock-absorbing pad and the third shock-absorbing pad are all rubber layers.

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