CN219492386U

CN219492386U - Valve assembly of automobile water tank cover

Info

Publication number: CN219492386U
Application number: CN202320990091.2U
Authority: CN
Inventors: 蓝同山
Original assignee: Zhejiang Fenghua Standard Component Manufacture Co ltd
Current assignee: Zhejiang Fenghua Standard Component Manufacture Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-08-08
Anticipated expiration: 2033-04-27

Abstract

The utility model provides an automobile water tank lid valve subassembly, includes the enclosing cover, the geometric center department in enclosing cover top slides and is provided with the connecting axle, the enclosing cover is close to connecting axle department circumference and has seted up a plurality of exhaust hole, the cover is equipped with the exhaust spring with enclosing cover upside butt on the connecting axle, the lower extreme tip of connecting axle runs through the upper cover and extends to the enclosing cover downside and the tip is provided with the inner cup, the connecting axle is equipped with sealed the pad between enclosing cover and inner cup, sealed pad butt in the exhaust hole department of enclosing cover and separate the upper and lower both sides of enclosing cover, realizes the intercommunication and the closure of the inside and outside both sides of enclosing cover through promoting the connecting axle to solved because the condition of interior too little water tank lid of pressure opens the difficulty and takes place, also guaranteed the leakproofness of the inside and outside both sides of enclosing cover.

Description

Valve assembly of automobile water tank cover

Technical Field

The utility model relates to a valve assembly, in particular to a valve assembly of an automobile water tank cover.

Background

The water tank is an important part in an automobile engine cooling system, and cooling water in the water tank exchanges heat with the engine through a circulating pipeline to dissipate heat of the engine. The heat that the engine during operation produced can lead to the water tank internal pressure to rise, opens the water tank lid at this moment more difficult and causes the people injury that splashes easily, and when the water tank internal pressure was too low, the water tank lid also can appear opening the difficult condition.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides the automobile water tank cover valve assembly which has the advantages of simple structure, reasonable design and strong sealing performance, can effectively adjust the internal and external pressure of a water tank and ensures that the water tank cover is convenient to open.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automobile water tank lid valve subassembly, includes the enclosing cover, the geometric centre position department in enclosing cover top slides and is provided with the connecting axle, a plurality of exhaust hole has been seted up to enclosing cover near connecting axle department circumference, the cover is equipped with the exhaust spring with enclosing cover upside butt on the connecting axle, the lower extreme tip of connecting axle runs through the upper cover and extends to enclosing cover downside and tip is provided with the inner cup, the connecting axle is equipped with sealed the pad in the cover between enclosing cover and inner cup, sealed pad butt in the exhaust hole department of enclosing cover and separate the upper and lower both sides of enclosing cover. By adopting the structure, the connection and the closing of the inner side and the outer side of the outer cover are realized by pushing the connecting shaft, so that the problem that the water tank cover is difficult to open due to too small internal pressure is solved, and the tightness of the inner side and the outer side of the outer cover is also ensured.

Preferably, the whole cap structure that is of enclosing cover, the top of enclosing cover is equipped with the exhaust groove of undercut, the connecting axle sets up in the geometric center position of exhaust groove, the exhaust hole is four, four the exhaust hole evenly sets up in the exhaust inslot, the enclosing cover is equipped with the outer sealing butt circle on sealed the pad in the outer lane department of exhaust groove. By adopting the structure, the outer sealing abutting ring can effectively cooperate with the sealing gasket to enhance the inner sealing effect and the outer sealing effect of the outer cover, the exhaust groove can improve the exhaust effect of the exhaust hole, and the cap-shaped structure can set the sealing gasket and the inner cover in the inner cavity of the outer cover, so that the overall size of the assembly can be reduced, and good sealing performance can be provided.

Preferably, the outer ring of the bottom of the outer cover is provided with an upward-opening mounting ring groove, the outer ring of the bottom of the outer cover is provided with a downward-opening sealing ring groove, a sealing ring is arranged in the sealing ring groove, the sealing ring is connected with the sealing ring groove in an interference fit manner, and the lower end of the sealing ring extends to the outer side of the sealing ring groove. By adopting the structure, when the assembly is installed in the water tank cover, the installation annular groove can ensure the connection stability of the assembly and the pressure release spring in the water tank cover, and the sealing ring is completely filled in the sealing annular groove by extrusion during assembly, so that the sealing effect of the upper side and the lower side of the outer tank can be further enhanced.

Preferably, the exhaust spring is a conical compression exhaust spring, a push plate is arranged at the top of the connecting shaft, one end with a small outer diameter of the exhaust spring is abutted against the lower surface of the push plate, and one end with a large outer diameter of the exhaust spring is abutted against the upper surface of the outer cover. By adopting the structure, the sliding stability of the connecting shaft on the outer cover is ensured, and the movement and the resetting of the connecting shaft on the outer cover are better controlled.

Preferably, the geometric center position of the inner cover is sleeved on the connecting shaft and riveted with the connecting shaft, the outer ring of the inner cover is provided with an inner sealing abutting ring abutting on the sealing gasket, the inner sealing abutting ring and the outer sealing abutting ring are correspondingly arranged through the sealing gasket, the lower surface of the outer ring of the inner cover inner sealing abutting ring is provided with a positioning cylinder, and the bottom of the positioning cylinder is provided with an umbrella-shaped opening. By adopting the structure, the sealing effect of the sealing gasket can be ensured higher by the inner sealing abutting ring matched with the outer sealing abutting ring, the positioning cylinder can play a role in positioning when the inner cover is riveted with the connecting shaft, the riveting of the inner cover and the connecting shaft is facilitated, the bearing area of the assembly subjected to the internal pressure of the water tank can be increased by the umbrella-shaped opening, and the pressure release effect inside the water tank is improved.

Preferably, a transition groove matched with the outline of the outer sealing abutting ring is formed in the position, corresponding to the outer sealing abutting ring, of the upper surface of the sealing gasket. By adopting the structure, the sealing effect of the sealing gasket and the outer cover can be improved.

Preferably, the sealing gasket is processed by nitrile rubber, and the outer cover and the inner cover are punched by stainless steel. By adopting the structure, the service life can be effectively prolonged on the premise of ensuring the strength.

When the water tank cover pressure relief device is used, the assembly is installed in the pressure relief opening of the water tank cover, and a pressure relief spring is arranged between the installation ring groove and the water tank cover; when the pressure in the water tank is overlarge, the pushing assembly moves upwards to compress the pressure relief spring, and the pressure in the water tank is relieved from the pressure relief opening through the pressure relief hole of the water tank cover; when the pressure in the water tank is too small, the connecting shaft is pushed to move downwards through the pushing hole at the top of the water tank cover, and the pressure outside the water tank enters the water tank from the exhaust hole to be pressurized.

The utility model has the advantages of simple structure, reasonable design, strong sealing performance, effective adjustment of the internal and external pressure of the water tank, convenient opening of the water tank cover, and the like.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of an embodiment of the present utility model;

fig. 3 is a schematic diagram of a usage structure of an embodiment of the present utility model.

In the figure: 1. an outer cover; 11. an exhaust hole; 12. an exhaust groove; 13. an outer sealing abutting ring; 14. installing a ring groove; 15. sealing ring grooves; 2. a connecting shaft; 21. a push plate; 3. an exhaust spring; 4. an inner cover; 41. an inner sealing abutting ring; 42. a positioning cylinder; 43. an umbrella-shaped opening; 5. a sealing gasket; 51. a transition groove; 6. a seal ring; 7. a water tank cover; 71. a pressure relief port; 72. a pressure relief spring; 73. and the pressure relief hole.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings.

Examples:

the automobile water tank cover valve assembly as shown in fig. 1 to 3 comprises an outer cover 1, wherein a connecting shaft 2 is slidably arranged at the geometric center position of the top of the outer cover 1, a plurality of exhaust holes 11 are circumferentially formed in the position, close to the connecting shaft 2, of the outer cover 1, an exhaust spring 3 abutted to the upper side of the outer cover 1 is sleeved on the connecting shaft 2, the lower end part of the connecting shaft 2 penetrates through the upper cover to extend to the lower side of the outer cover 1, an inner cover 4 is arranged at the end part of the connecting shaft 2, a sealing gasket 5 is sleeved between the outer cover 1 and the inner cover 4, the sealing gasket 5 abuts against the exhaust holes 11 of the outer cover 1 and cuts off the upper side and the lower side of the outer cover 1, and the communication and closing of the inner side and the outer side of the outer cover 1 are realized by pushing the connecting shaft 2, so that the situation that the inner pressure is too small water tank cover 7 is difficult to open is solved, and the tightness of the inner side and the outer side of the outer cover 1 is ensured; the sealing gasket 5 is formed by processing nitrile rubber, the outer cover 1 and the inner cover 4 are formed by punching stainless steel, and the service life can be effectively prolonged on the premise of ensuring the strength.

The whole of the outer cover 1 is of a cap-shaped structure, the sealing gasket 5 and the inner cover 4 can be arranged in the inner cavity of the outer cover 1 by the cap-shaped structure, the whole size of the assembly can be reduced, good sealing performance can be provided, the top of the outer cover 1 is provided with a downward concave exhaust groove 12, the exhaust groove 12 can improve the exhaust effect of the exhaust hole 11, the connecting shaft 2 is arranged at the geometric center position of the exhaust groove 12, the number of the exhaust holes 11 is four, the four exhaust holes 11 are uniformly arranged in the exhaust groove 12, the outer ring of the exhaust groove 12 of the outer cover 1 is provided with an outer sealing abutting ring 13 abutting against the sealing gasket 5, the position, corresponding to the outer sealing abutting ring 13, of the upper surface of the sealing gasket 5 is provided with a transition groove 51 matched with the outline of the outer sealing abutting ring 13, and the outer sealing abutting ring 13 can be effectively matched with the sealing gasket 5 to enhance the inner sealing effect and the outer sealing effect of the outer cover 1; the outer lane department of enclosing cover 1 bottom is equipped with opening up installation annular 14, and when the subassembly was installed in tank lid 7, installation annular 14 can guarantee the connection stability of the pressure release spring 72 in subassembly and the tank lid 7, the enclosing cover 1 bottom is equipped with opening down sealing annular 15 in the outer lane department of installation annular 14, be equipped with sealing washer 6 in the sealing annular 15, sealing washer 6 is connected with sealing annular 15 interference fit and sealing washer 6's lower extreme extends to sealing annular 15 outside, and sealing washer 6 receives the extrusion when the equipment and packs completely in sealing annular 15, can further strengthen the sealed effect of both sides about the outer box.

The exhaust spring 3 is conical compression exhaust spring 3, the top of connecting axle 2 is equipped with push pedal 21, the small one end butt in push pedal 21 lower surface of exhaust spring 3 external diameter, the big one end butt in enclosing cover 1 upper surface of exhaust spring 3 external diameter has guaranteed the sliding stability of connecting axle 2 on enclosing cover 1, also better control connecting axle 2 removes and resets on enclosing cover 1.

The geometric center position cover of inner cup 4 is located on connecting axle 2 and is riveted fixedly rather than, the outer lane of inner cup 4 is equipped with the inner seal butt circle 41 of butt on sealed pad 5, inner seal butt circle 41, outer seal butt circle 13 correspond the setting through sealed pad 5, and inner seal butt circle 41 cooperation outer seal butt circle 13 can guarantee the sealed effect of sealed pad 5 higher, inner cup 4 is equipped with location section of thick bamboo 42 in the outer lane lower surface of inner seal butt circle 41, and location section of thick bamboo 42 can play the location effect when inner cup 4 rivets with connecting axle 2, has made things convenient for the riveting of inner cup 4 and connecting axle 2, the bottom of location is equipped with umbrella-shaped opening 43, and umbrella-shaped opening 43 can increase the atress area that the subassembly received the water tank internal pressure to the effect of the inside pressure release of water tank has more improved.

When the water tank cover 7 is used, the assembly is installed in the pressure relief opening 71 of the water tank cover 7, and the pressure relief spring 72 is arranged between the installation ring groove 14 and the water tank cover 7; when the pressure in the water tank is overlarge, the pushing component moves upwards to compress the pressure relief spring 72, and the pressure in the water tank is relieved from the pressure relief opening 71 through the pressure relief hole 73 of the water tank cover 7; when the pressure in the water tank is too small, the connecting shaft 2 is pushed to move downwards through the pushing hole at the top of the water tank cover 7, and the pressure outside the water tank enters the water tank from the exhaust hole 11 to be pressurized.

The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims

1. An automotive water tank cap valve assembly, characterized by: including enclosing cover (1), enclosing cover (1) top geometric centre position department slides and is provided with connecting axle (2), a plurality of exhaust hole (11) have been seted up to enclosing cover (1) department circumference near connecting axle (2), the cover is equipped with exhaust spring (3) with enclosing cover (1) upside butt on connecting axle (2), the lower extreme tip of connecting axle (2) runs through the upper cover and extends to enclosing cover (1) downside and tip is provided with inner cup (4), connecting axle (2) cover is equipped with sealed pad (5) between enclosing cover (1) and inner cup (4), sealed pad (5) butt is in exhaust hole (11) department of enclosing cover (1) and is cut off the upper and lower both sides of enclosing cover (1).

2. The automotive water tank cap valve assembly of claim 1, wherein: the whole of the outer cover (1) is of a cap-shaped structure, the top of the outer cover (1) is provided with a downward concave exhaust groove (12), the connecting shaft (2) is arranged at the geometric center position of the exhaust groove (12), the number of the exhaust holes (11) is four, the four exhaust holes (11) are uniformly formed in the exhaust groove (12), and the outer ring of the outer cover (1) is provided with an outer sealing abutting ring (13) abutting against the sealing gasket (5) at the outer ring of the exhaust groove (12).

3. The automotive water tank cap valve assembly of claim 1, wherein: the novel sealing device is characterized in that an installing ring groove (14) with an upward opening is formed in the outer ring at the bottom of the outer cover (1), a sealing ring groove (15) with a downward opening is formed in the outer ring at the bottom of the outer cover (1), a sealing ring (6) is arranged in the sealing ring groove (15), and the sealing ring (6) is connected with the sealing ring groove (15) in an interference fit mode.

4. The automotive water tank cap valve assembly of claim 1, wherein: the exhaust spring (3) is a conical compression exhaust spring (3), a push plate (21) is arranged at the top of the connecting shaft (2), one end with a small outer diameter of the exhaust spring (3) is abutted to the lower surface of the push plate (21), and one end with a large outer diameter of the exhaust spring (3) is abutted to the upper surface of the outer cover (1).

5. The automotive water tank cap valve assembly of claim 2, wherein: the utility model discloses a connecting shaft, including connecting axle (2), inner cup (4), sealing pad (5) and umbrella-shaped opening (43) are equipped with in the outer lane of inner cup (4), the geometric center position cover of inner cup (4) is located on connecting axle (2) and is riveted rather than fixed, the outer lane of inner cup (4) is equipped with the inner seal and supports circle (41) on butt pad (5), inner seal supports circle (41), outer seal supports circle (13) and corresponds the setting with sealing pad (5) in the interval, the outer lane lower surface of inner cup (4) is equipped with positioning tube (42) in sealing support circle (41), the bottom of location is equipped with umbrella-shaped opening (43).

6. The automotive water tank cap valve assembly of claim 2, wherein: the upper surface of the sealing gasket (5) is provided with a transition groove (51) which is matched with the outline of the outer sealing abutting ring (13) at the position corresponding to the outer sealing abutting ring (13).

7. The automotive water tank cap valve assembly of claim 1, wherein: the sealing gasket (5) is formed by processing nitrile rubber, and the outer cover (1) and the inner cover (4) are formed by punching stainless steel.