CN108638843B

CN108638843B - Car that security performance is high refuels sealing device

Info

Publication number: CN108638843B
Application number: CN201810768427.4A
Authority: CN
Inventors: 汪超; 李广松; 李凌钰; 易帆顺; 刘炼; 苏颖兵; 何义群; 黄�俊; 夏阳
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2018-07-13
Filing date: 2018-07-13
Publication date: 2021-06-01
Anticipated expiration: 2038-07-13
Also published as: CN108638843A

Abstract

The invention discloses an automobile refueling sealing device with high safety performance, which comprises a pipe head, a cover body, a refueling port box plate and a pipe head buffering member, wherein the cover body comprises a cover plate, a valve body and a handle, the valve body is fixedly connected to the bottom of the cover plate through a connecting column, the handle is fixedly arranged at the top of the cover plate, a first clamping groove is formed in the top end of the pipe head along the circumferential direction of the inner edge, a second clamping groove corresponding to the first clamping groove is formed in the top end of the valve body along the circumferential direction of the outer edge, the valve body and the pipe head are in sealing connection through a first sealing ring matched with the first clamping groove and the second clamping groove, and external threads are arranged on the valve body. According to the invention, through the arrangement of multi-stage sealing, the sealing performance of the oil tank is greatly improved, the pipe head has good buffering performance, the pipe head is effectively prevented from loosening or cracking, the stability is high, the tightness of the connection between the cover body and the pipe head is ensured, and the sealing effect of the oil tank is ensured.

Description

Car that security performance is high refuels sealing device

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an automobile refueling sealing device with high safety performance.

Background

At present, with the rapid development of economy and the improvement of living standard of people, automobiles gradually enter families to become a tool instead of walking, and an oil tank of the automobiles is provided with an oil filling port so as to be convenient for filling fuel oil and is sealed by an oil tank cover. Traditional fuel tank cap includes the valve body and installs the handle on the valve body, through valve body and oil filling pipe tube head inner wall screwed connection for sealed oil tank prevents that fuel and oil gas from revealing. However, the traditional fuel tank cap is too single in structure and cannot achieve the expected sealing effect, the fuel filling pipe head is fastened in the fuel filling port box on the vehicle body through a bolt, the fuel filling pipe head is easy to loosen or break due to vibration in the driving process of the vehicle, the stability is poor, the tightness of the fuel tank cap and the fuel filling pipe head cannot be guaranteed, and the sealing effect of the fuel tank cap is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automobile refueling sealing device with high safety performance, and solves the problems that the expected sealing effect cannot be achieved due to an excessively single oil tank cover structure, the loosening or the breakage of a refueling pipe head is easily caused by the vibration of a vehicle in the driving process, the stability is poor, the tightness between the oil tank cover and the refueling pipe head cannot be guaranteed, and the sealing effect of the oil tank cover is influenced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the automobile refueling sealing device with high safety performance comprises a tube head, a cover body, a refueling port box plate and a tube head buffer piece, wherein the cover body comprises a cover plate, a valve body and a handle, the valve body is fixedly connected to the bottom of the cover plate through a connecting column, the handle is fixedly installed at the top of the cover plate, a first clamping groove is formed in the top end of the tube head along the inner edge circumferential direction, a second clamping groove corresponding to the first clamping groove is formed in the top end of the valve body along the outer edge circumferential direction, the valve body is in sealing connection with the tube head through a first sealing ring matched with the first clamping groove and a second sealing ring matched with the second clamping groove, external threads are arranged on the valve body, internal threads in threaded connection with the external threads are arranged on the inner wall of the tube head, a bearing part is arranged on the inner wall of the tube head and below the internal threads, a bearing groove matched with the bearing part is arranged at, the outer surface of the top end of the tube head is provided with an installation part, the box plate of the oil filling port box is provided with an installation groove matched with the installation part, the top of the mounting part is provided with an annular groove, the bottom of the annular groove is provided with an annular sealing element, the bottom of the cover plate is provided with an annular clamping block matched with the annular groove, the tube head buffer piece comprises a chute, a sliding block, a fixed plate and a connecting spring, the sliding grooves are provided with a plurality of sliding grooves which are uniformly and fixedly arranged on the inner wall of the mounting groove, the fixing plate is supported and fixed in the mounting groove through a connecting spring, be equipped with the through-hole that sets up with the tube head clearance on the fixed plate, the quantity of slider is the same with the quantity of spout and even fixed connection on the marginal side of fixed plate and with spout one by one sliding fit, the installation department with correspond on the fixed plate and be equipped with the mounting hole and pass through bolt-up connection.

Furthermore, the annular sealing element is composed of a transverse annular sealing gasket and a longitudinal annular sealing ring arranged at the top of the transverse annular sealing gasket, and an annular clamping groove clamped with the longitudinal annular sealing ring is formed in the bottom of the annular clamping block.

Further, mounting groove and installation department correspond and set up to the annular, through soft waterproof circle sealing connection between the top of oil filler hole box board and the top of installation department.

Furthermore, a bulge is arranged on the soft waterproof ring.

Furthermore, arc-shaped grooves are symmetrically arranged on two sides of the middle of the handle.

(III) advantageous effects

The invention provides an automobile refueling sealing device with high safety performance, which can realize primary sealing of an oil tank by matching the pipe head, a cover body, a refueling port box plate and a pipe head buffer part, namely, a first sealing ring is arranged between a first clamping groove on the pipe head and a second clamping groove on a valve body, a bearing part on the inner wall of the pipe head is matched with a bearing groove at the bottom of the valve body and is connected with the bearing groove through a second sealing ring, so that secondary sealing of the oil tank can be realized, an annular groove and an annular sealing part are arranged at the top of an installation part, and an annular clamping block is arranged at the bottom of a cover plate in a matching way, so that tertiary sealing of the oil tank can be realized, the pipe head buffer part can be provided for the pipe head when a vehicle vibrates, the pipe head is effectively prevented from loosening or cracking, the stability is high, and the tightness of the connection between the cover body and the pipe head is, the invention greatly improves the sealing performance of the oil tank through the arrangement of multi-stage sealing, so that the tube head has good buffering performance, the tube head is effectively prevented from loosening or breaking, the stability is high, the tightness of the connection between the cover body and the tube head is ensured, and the sealing effect of the oil tank is ensured.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a partial structural schematic diagram of the present invention.

In the figure: 1. a pipe head; 2. a cover body; 201. a cover plate; 202. a valve body; 203. a handle; 3. a fuel filler box panel; 4. a tube head buffer member; 401. a chute; 402. a slider; 403. a fixing plate; 404. a connecting spring; 5. connecting columns; 6. a first clamping groove; 7. a second clamping groove; 8. a first seal ring; 9. an external thread; 10. an internal thread; 11. a receiving part; 12. a receiving groove; 13. a second seal ring; 14. an installation part; 15. mounting grooves; 16. an annular groove; 17. an annular seal; 18. an annular clamping block; 19. a bolt; 20. an annular clamping groove; 21. a soft waterproof ring; 1701. a transverse annular seal; 1702. a longitudinal annular seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a car that security performance is high refuels sealing device, includes tube head 1, lid 2, oil filler hole box plate 3 and tube head bolster 4, lid 2 includes apron 201, valve body 202 and handle 203, valve body 202 is through spliced pole 5 fixed connection in the bottom of apron 201, handle 203 fixed mounting is in the top of apron 201, the top of tube head 1 is equipped with first joint groove 6 along inner edge circumference, the top of valve body 202 is equipped with the second joint groove 7 that corresponds the setting with first joint groove 6 along outer edge circumference, through the first sealing washer 8 sealing connection with first joint groove 6 and second joint groove 7 looks adaptation between valve body 202 and the tube head 1, be equipped with external screw thread 9 on the valve body 202, the inner wall of tube head 1 is equipped with the internal thread 10 with external screw thread 9 screwed connection, just be located the below of internal screw thread 10 and be equipped with accepting part 11 on the inner wall of tube head 1, the bottom of valve body 202 is equipped with and accepts portion 11 assorted accepting groove 12, accept portion 11 with accept and be connected through second sealing washer 13 between the groove 12, the top surface of tube head 1 is equipped with installation department 14, be equipped with on the oil filler hole box board 3 with installation department 14 looks adaptation mounting groove 15, the top of installation department 14 is equipped with annular groove 16, the bottom of annular groove 16 is equipped with annular sealing member 17, the bottom of apron 201 is equipped with annular joint piece 18 with annular groove 16 assorted, tube head bolster 4 includes spout 401, slider 402, fixed plate 403 and coupling spring 404, spout 401 is provided with a plurality ofly and even fixed mounting on the inner wall of mounting groove 15, fixed plate 403 supports the inside that is fixed in mounting groove 15 through coupling spring 404, be equipped with the through-hole that sets up with tube head 1 clearance on the fixed plate 403, the quantity of slider 402 is the same with the quantity of spout 401 and even fixed connection on the marginal side of fixed plate 403 and with spout 401 sliding fit one by one, installation department 14 with correspond on the fixed plate 403 and be equipped with the mounting hole and pass through bolt 19 fastening connection.

Specifically, the annular sealing member 17 is composed of a transverse annular sealing gasket 1701 and a longitudinal annular sealing ring 1702 arranged on the top of the transverse annular sealing gasket 1701, and the bottom of the annular clamping block 18 is provided with an annular clamping groove 20 clamped with the longitudinal annular sealing ring 1702; the mounting groove 15 and the mounting part 14 are correspondingly arranged in an annular shape, and the top of the oil filling port box plate 3 is hermetically connected with the top of the mounting part 14 through a soft waterproof ring 21; the soft waterproof ring 21 is provided with a bulge; arc-shaped grooves are symmetrically formed in the two sides of the middle of the handle 203.

When the oil tank is specifically applied, the primary sealing of the oil tank can be realized by the matching arrangement of the pipe head 1, the cover body 2, the oil filler box plate 3 and the pipe head buffer piece 4, namely, the first sealing ring 8 is arranged between the first clamping groove 6 on the pipe head 1 and the second clamping groove 7 on the valve body 202, the bearing part 11 on the inner wall of the pipe head 1 is matched with the bearing groove 12 at the bottom of the valve body 202 and is connected with the bearing groove through the second sealing ring 13, the secondary sealing of the oil tank can be realized, the annular groove 16 and the annular sealing piece 17 are arranged at the top of the mounting part 14, the annular clamping block 18 arranged at the bottom of the cover plate 201 is matched, the tertiary sealing of the oil tank can be realized, the pipe head buffer piece 4 is arranged, namely, the sliding groove 401, the sliding block 402, the fixing plate 403 and the connecting spring 404 are matched, the looseness or buffer breakage, the stability is high, the tightness of the connection between the cover body 2 and the pipe head 1 is guaranteed, and the sealing effect of the oil tank is guaranteed.

In conclusion, the invention greatly improves the sealing performance of the oil tank through the arrangement of multi-stage sealing, so that the pipe head 1 has good buffering performance, the pipe head 1 is effectively prevented from loosening or cracking, the stability is high, the tightness of the connection between the cover body 2 and the pipe head 1 is ensured, and the sealing effect of the oil tank is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, it being noted that the electrical components appearing therein are each electrically connected to an external master controller and 220V mains, and the master controller may be a conventionally known device, such as a computer, which controls the electrical components.

Claims

1. The automobile refueling sealing device with high safety performance is characterized by comprising a pipe head (1), a cover body (2), a refueling box plate (3) and a pipe head buffering piece (4), wherein the cover body (2) comprises an cover plate (201), a valve body (202) and a handle (203), the valve body (202) is fixedly connected to the bottom of the cover plate (201) through a connecting column (5), the handle (203) is fixedly installed at the top of the cover plate (201), a first clamping groove (6) is formed in the top end of the pipe head (1) along the circumferential direction of the inner edge, a second clamping groove (7) correspondingly arranged with the first clamping groove (6) is formed in the top end of the valve body (202) along the circumferential direction of the outer edge, a first sealing ring (8) in fit with the first clamping groove (6) and the second clamping groove (7) is hermetically connected between the valve body (202) and the pipe head (1), and an external thread (9) is arranged on the valve body (202), the inner wall of tube head (1) is equipped with internal thread (10) with external screw thread (9) screwed connection, the below that just is located internal thread (10) on the inner wall of tube head (1) is equipped with accepting portion (11), the bottom of valve body (202) is equipped with and accepts groove (12) with accepting portion (11) assorted, accepting portion (11) and accepting are connected through second sealing washer (13) between groove (12), the top surface of tube head (1) is equipped with installation department (14), be equipped with mounting groove (15) with installation department (14) looks adaptation on oil filler hole box board (3), the top of installation department (14) is equipped with annular groove (16), the bottom of annular groove (16) is equipped with annular sealing member (17), the bottom of apron (201) be equipped with annular groove (16) assorted annular joint piece (18), tube head (4) are including spout (401), Slider (402), fixed plate (403) and coupling spring (404), spout (401) are provided with a plurality ofly and even fixed mounting on the inner wall of mounting groove (15), fixed plate (403) support through coupling spring (404) and are fixed in the inside of mounting groove (15), be equipped with the through-hole that sets up with tube head (1) clearance on fixed plate (403), the quantity of slider (402) is the same with the quantity of spout (401) and even fixed connection on the border side of fixed plate (403) and with spout (401) sliding fit one by one, installation department (14) with correspond on fixed plate (403) and be equipped with the mounting hole and through bolt (19) fastening connection.

2. The automobile refueling sealing device with high safety performance as claimed in claim 1, wherein: the annular sealing element (17) is composed of a transverse annular sealing gasket (1701) and a longitudinal annular sealing ring (1702) arranged at the top of the transverse annular sealing gasket (1701), and an annular clamping groove (20) clamped with the longitudinal annular sealing ring (1702) is formed in the bottom of the annular clamping block (18).

3. The automobile refueling sealing device with high safety performance as claimed in claim 1, wherein: mounting groove (15) and installation department (14) correspond and set up to the annular, through soft waterproof circle (21) sealing connection between the top of oil filler hole box board (3) and the top of installation department (14).

4. The automobile refueling sealing device with high safety performance as claimed in claim 3, wherein: the soft waterproof ring (21) is provided with a bulge.

5. The automobile refueling sealing device with high safety performance as claimed in claim 1, wherein: arc-shaped grooves are symmetrically formed in two sides of the middle of the handle (203).