CN215256444U - Radiator tank cover and radiator tank - Google Patents
Radiator tank cover and radiator tank Download PDFInfo
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- CN215256444U CN215256444U CN202120632196.1U CN202120632196U CN215256444U CN 215256444 U CN215256444 U CN 215256444U CN 202120632196 U CN202120632196 U CN 202120632196U CN 215256444 U CN215256444 U CN 215256444U
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- main valve
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- valve core
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Abstract
The utility model relates to the technical field of automobile production and manufacturing, in particular to a radiator tank cover and a radiator tank; the utility model discloses a radiator water tank cover, which comprises a tank cover and a main valve body, wherein the upper end of the main valve body is closed and is connected with the inner bottom surface of the tank cover, and the side wall of the main valve body is provided with a pressure relief port; the lower valve body is screwed at the lower end of the main valve body, the upper end of the lower valve body is opened and extends into the main valve body, the upper end of the lower valve body is also provided with a sealing seat, the lower end of the lower valve body is provided with a vent hole, and the vent hole is communicated with the pressure relief port through the main valve body and the inner cavity of the lower valve body; the valve core assembly comprises a positive pressure valve core, a negative pressure valve core, a positive pressure elastic piece and a negative pressure elastic piece. The utility model discloses a pressure value that radiator tank lid was opened can be adjusted to adapt to the atmospheric pressure under the different height above sea level, improve engine system's stability.
Description
Technical Field
The utility model relates to an automotive production makes technical field, concretely relates to radiator tank lid and radiator tank.
Background
Radiator water tanks are also called automobile water tanks or radiators, and are widely used for water cooling systems of engines of generators, engineering machinery, ships and the like besides automobiles. One of the key components of pressure and temperature control of an engine water cooling system is a radiator tank cover, and design references and quality control of the radiator tank cover are directly related to the stability of the system and the working state and performance of an engine.
The radiator water tank cover is arranged on the water filling port seat at the upper part of the radiator. The radiator tank cover controls supply of the antifreeze in the radiator tank and discharge of the antifreeze and steam from the radiator tank. The steam discharge pressure of the existing radiator water tank cover is fixed, namely when the pressure difference value between the pressure in the water tank and the external atmospheric pressure reaches a set value, the radiator water tank cover is opened and steam is discharged. When the engine is used in different altitude areas, the atmospheric pressure is reduced due to the increase of the altitude, so that when the radiator tank cover is opened, the pressure in the water tank is correspondingly reduced. Thereby affecting the operating state and performance of the engine.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a radiator water tank cover and a radiator water tank; the pressure value of opening the radiator tank cover can be adjusted to adapt to the atmospheric pressure under different altitudes, and the stability of an engine system is improved.
To achieve the above object, the radiator tank cover of the present invention comprises a tank cover, and
the upper end of the main valve body is closed and is connected with the inner bottom surface of the box cover, and a pressure relief opening is formed in the side wall of the main valve body;
the lower valve body is screwed at the lower end of the main valve body, the upper end of the lower valve body is opened and extends into the main valve body, a sealing seat is further arranged at the upper end of the lower valve body, a vent hole is formed in the lower end of the lower valve body, and the vent hole is communicated with the pressure relief port through the main valve body and an inner cavity of the lower valve body;
the valve core assembly comprises a positive pressure valve core, a negative pressure valve core, a positive pressure elastic piece and a negative pressure elastic piece; the positive pressure valve core is arranged in the main valve body in a sliding manner; the positive pressure elastic piece is elastically connected with the positive pressure valve core and the main valve body, and provides elasticity to enable the positive pressure valve core to be abutted against the sealing seat so as to separate the main valve body from the inner cavity of the lower valve body; the positive pressure valve core is also provided with a connecting hole which communicates the main valve body with the inner cavity of the lower valve body; the negative pressure valve core is arranged in the lower valve body in a sliding manner, the negative pressure elastic piece is elastically connected with the negative pressure valve core and the lower valve body, and the negative pressure elastic piece provides elastic force to enable the negative pressure valve core to be abutted against the lower end of the positive pressure valve core and block the connecting hole.
According to the radiator tank cover in the technical scheme, when the radiator tank cover is used, the radiator tank cover is arranged on the water filling port seat at the upper part of the radiator. When the internal pressure of the water tank rises, steam in the water tank overcomes the elasticity of the positive pressure elastic piece and the atmospheric pressure to enable the positive pressure valve core to be far away from the sealing seat, and the pressure relief port is communicated with the vent hole to discharge the steam to reduce the internal pressure of the water tank, so that the internal pressure of the water tank is maintained at a limit value; when the internal pressure of the water tank is reduced, the air outside the water tank overcomes the elasticity of the negative pressure elastic piece and the internal pressure of the water tank to enable the negative pressure valve core to be far away from the connecting hole, and the air enters the water tank to enable the internal pressure of the water tank to be increased. When the elevation changes and leads to atmospheric pressure to change, the length that valve body and main valve body spiral shell closed under the adjustment can adjust the compression length of malleation elastic component, changes the malleation elastic component and just presses the size of valve core effort with the difference that balanced atmospheric pressure changed to make the water tank internal pressure when pressure release mouth and air vent intercommunication not change along with elevation. The pressure value that radiator tank lid was opened can be adjusted to the atmospheric pressure under the different altitudes of adaptation makes the water tank internal pressure maintain the setting value, improves engine system's stability.
In one embodiment, the valve further comprises a threaded locking piece which is screwed on the lower end of the lower valve body, and the threaded locking piece can abut against the main valve body in a rotating mode.
The thread locking piece is propped against the main valve body to lock the lower valve body, so that the lower valve body is prevented from loosening.
In one embodiment, the positive pressure valve core comprises a supporting seat and a sealing gasket, the sealing gasket is arranged at the lower end of the supporting seat and abuts against the sealing seat, the upper end of the supporting seat is connected with the positive pressure elastic piece, and the connecting hole penetrates through the supporting seat and the sealing gasket; the negative pressure valve core is abutted against the lower end face of the sealing gasket.
The sealing gasket abuts against the sealing seat to separate the main valve body from the inner cavity of the lower valve body; the negative pressure valve core is abutted with the sealing gasket to seal the connecting hole.
In one embodiment, the upper end of the main valve body is open, an upper sealing cover for sealing the opening is further arranged at the upper end of the main valve body, a limiting block is arranged on the upper sealing cover, a limiting groove is further arranged on the main valve body, and the limiting block is limited in the limiting groove to enable the sealing cover to be mounted on the main valve body.
The upper sealing cover is arranged on the main valve body through the limiting block and the limiting groove, and the positive pressure valve core and the positive pressure elastic piece can be conveniently arranged by opening the upper sealing cover.
In one embodiment, the inner side wall of the box cover is further provided with clamping blocks, the clamping blocks are arranged at intervals along the circumferential direction of the box cover, the upper end of the main valve body is further provided with a mounting flange, and the mounting flange is clamped between the clamping blocks and the bottom wall of the box cover.
The main valve body is mounted on the box cover by the fixture block clamping mounting flange.
In one embodiment, two sides of the pressure relief port along the axial direction of the main valve body are respectively provided with a sealing structure, and the sealing structures are used for being matched with a water filling port seat of a water tank so as to prevent steam exhausted from the pressure relief port from leaking along the side wall of the main valve body.
The sealing structure is matched with the water filling port seat so as to facilitate the steam to be discharged from an exhaust port on the water filling port seat.
In one embodiment, the sealing structure comprises a sealing groove arranged on the side wall of the main valve body and a sealing ring arranged in the sealing groove.
In one embodiment, the positive pressure elastic member and the negative pressure elastic member are springs.
The radiator tank of the utility model comprises the radiator tank cover in any one of the above embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a front sectional view of a radiator tank cover according to an embodiment of the present invention;
fig. 2 is an exploded view of the radiator tank cover shown in fig. 1;
FIG. 3 is a schematic view of the radiator tank cover shown in FIG. 1;
reference numerals:
1-box cover, 11-clamping block;
2-main valve body, 21-pressure relief port, 22-limit groove, 23-upper seal cover, 231-limit block, 24-mounting flange, 25-sealing structure, 251-sealing groove and 252-sealing ring;
3-lower valve body, 31-sealing seat and 32-vent hole;
4-valve core component, 41-positive pressure valve core, 411-supporting seat, 412-sealing gasket, 413-connecting hole, 42-negative pressure valve core, 421-sealing part, 422-guide rod, 43-positive pressure elastic part and 44-negative pressure elastic part;
5-a threaded locking piece, 6-a sealing sheet and 7-a water tank.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Referring to fig. 1 to 3, a radiator tank cover according to an embodiment includes a cover 1, a main valve body 2, a lower valve body 3, and a valve core assembly 4, where the valve core assembly 4 includes a positive pressure valve core 41, a negative pressure valve core 42, a positive pressure elastic member 43, and a negative pressure elastic member 44. The opening pressure value can be adjusted to adapt to the atmospheric pressure under different altitudes, and the stability of an engine system is improved.
Specifically, the inner side wall of the tank cover 1 is provided with threads, and the tank cover 1 can be screwed on a water filling port seat of the water tank.
The upper end of the main valve body 2 is closed and connected with the inner bottom surface of the box cover 1. The side wall of the main valve body 2 is provided with a pressure relief port 21. Specifically, the inner side wall of the box cover 1 is further provided with a clamping block 11. The latch 11 is provided at intervals in the circumferential direction of the cover 1. The upper end of the main valve body 2 is also provided with a mounting flange 24. The mounting flange 24 is clamped between the latch 11 and the bottom wall of the cover 1. In one embodiment, the latch 11 is formed in an arc-shaped strip structure. The latch 11 extends along the inner sidewall of the cover 1. The width and the thickness of the fixture block 11 are matched with the size of the mounting flange 24 and the cover 1, and the mounting flange 24 can stretch the fixture block 11 to be clamped between the fixture block 11 and the bottom wall of the cover 1 under the action of external force. In one embodiment, the mounting flange 24 is further provided with an annular sealing plate 6 to seal the filler nozzle in cooperation with the filler nozzle seat. The latch 11 snaps onto the mounting flange 24 to mount the main valve body 2 to the cover 1. In one embodiment, the upper end of main valve body 2 is open. The upper end of the main valve body 2 is also provided with an upper sealing cover 23 for sealing the opening. The upper cover 23 is provided with a stopper 231. The main valve body 2 is also provided with a limit groove 22. The stopper 231 is stopped in the stopper groove 22 so that the cap is mounted to the main valve body 2. Specifically, the stoppers 231 are spaced apart from each other on the sidewall of the upper cover 23. The limiting groove 22 is matched with the limiting block 231 and arranged on the inner wall of the upper end opening of the main valve body 2, one end of the limiting groove 22 extends to the upper end face of the main valve body 2, and the other end of the limiting groove 22 extends along the circumferential direction of the main valve body 2. The upper cover 23 is mounted to the main valve body 2 through the stopper 231 and the stopper groove 22. In one embodiment, a sealing ring is further provided between the upper cover 23 and the main valve body 2.
The lower valve body 3 is screwed to the lower end of the main valve body 2. The upper end of the lower valve body 3 is opened and extends into the main valve body 2. The upper end of the lower valve body 3 is also provided with a sealing seat 31. The lower end of the lower valve body 3 is provided with a vent hole 32. The vent hole 32 is communicated with the pressure relief port 21 through the inner cavities of the main valve body 2 and the lower valve body 3. Specifically, the lower end of the main valve body 2 is provided with a threaded hole, and the lower valve body 3 is screwed in the threaded hole. The upper end of the lower valve body 3 extends into the inner cavity of the main valve body 2. The vent hole 32 is communicated with the pressure relief port 21 through the inner cavity of the lower valve body 3 and the inner cavity of the main valve body 2. In one embodiment, the lower end of the lower valve body 3 is screwed into the threaded hole. A sealing ring is arranged between the upper end of the lower valve body 3 and the main valve body 2. In one embodiment, a threaded locking member 5 is also included. The screw locking piece 5 is screwed and installed at the lower end of the lower valve body 3. The thread locking piece 5 rotates to be capable of abutting against the main valve body 2. The thread locking piece 5 is propped against the main valve body 2 to lock the lower valve body 3, so that the lower valve body 3 is prevented from loosening. In one embodiment, the threaded locking member 5 is a plate-shaped structure having the same shape as the cross-sectional shape of the lower end of the main valve body 2, and the threaded locking member 5 is provided with a threaded hole.
The valve core assembly 4 includes a positive pressure valve core 41, a negative pressure valve core 42, a positive pressure elastic member 43, and a negative pressure elastic member 44. The positive pressure spool 41 is slidably provided in the main valve body 2. The positive pressure elastic member 43 elastically connects the positive pressure valve core 41 and the main valve body 2, and the positive pressure elastic member 43 provides an elastic force to make the positive pressure valve core 41 abut against the seal seat 31, thereby blocking the inner cavities of the main valve body 2 and the lower valve body 3. The positive pressure valve core 41 is further provided with a connecting hole 413, and the connecting hole 413 connects the inner cavities of the main valve body 2 and the lower valve body 3. A negative pressure spool 42 is slidably disposed within lower valve body 3. The negative pressure elastic member 44 elastically connects the negative pressure spool 42 and the lower valve body 3. The negative pressure elastic member 44 provides an elastic force to make the negative pressure valve core 42 abut against the lower end of the positive pressure valve core 41 and to close the connection hole 413. Specifically, the sealing seat 31 is of an annular structure and is disposed at an opening at the upper end of the lower valve body 3. One end of the positive pressure elastic member 43 abuts against the upper end surface of the positive pressure valve body 41, and the other end of the positive pressure elastic member 43 abuts against the upper end of the main valve body 2. One end of the negative pressure elastic piece 44 is abutted against the lower end of the negative pressure valve core 42, and the other end of the negative pressure elastic piece 44 is abutted against the lower end of the lower valve body 3. The installation of the positive pressure valve core 41 and the positive pressure elastic member 43 can be facilitated by opening the upper cover 23. In one embodiment, the positive pressure spool 41 includes a support seat 411 and a gasket 412. The gasket 412 is disposed at the lower end of the support base 411 and abuts against the seal base 31. The upper end of the supporting seat 411 is connected to the positive pressure elastic member 43. The connection hole 413 penetrates the support base 411 and the gasket 412. The negative pressure valve body 42 abuts against the lower end surface of the gasket 412. The sealing gasket 412 is abutted against the sealing seat 31 to separate the inner cavities of the main valve body 2 and the lower valve body 3; the negative pressure valve core 42 abuts against the gasket 412 to close the connection hole 413. In one embodiment, a sealing portion 421 is further provided on the top surface of the negative pressure valve core 42. The sealing portion 421 forms an annular boss structure, and the sealing portion 421 abuts against the sealing gasket 412 and surrounds the opening of the connecting hole 413. In one embodiment, a guide rod 422 is further disposed on the top surface of the negative pressure valve core 42. The guide rods 422 are inserted into the connection holes 413. The diameter of the guide 422 is smaller than that of the connection hole 413. In one embodiment, the positive pressure elastic member 43 and the negative pressure elastic member 44 are springs.
In one embodiment, the pressure relief port 21 is provided with a sealing structure 25 along both sides of the main valve body 2 in the axial direction. Seal 25 is adapted to engage the tank filler seat to prevent steam exiting the pressure relief port 21 from leaking along the side wall of the main valve body 2. Specifically, the sealing structure 25 includes a sealing groove 251 provided on the sidewall of the main valve body 2, and a sealing ring 252 installed in the sealing groove 251. It will be appreciated that the dimensions of the seal groove 251 and the seal ring 252 are based on the filler seat. The seal structure on both sides of the pressure relief port 21 may not be uniform in size. The seal 25 engages the filler neck seat to facilitate the venting of steam from the vent in the filler neck seat.
The utility model discloses a radiator tank includes the radiator tank lid in the above-mentioned arbitrary embodiment.
According to the radiator tank cover in the technical scheme, when the radiator tank cover is used, the radiator tank cover is arranged on the water filling port seat at the upper part of the radiator. When the internal pressure of the water tank rises, the steam in the water tank overcomes the elasticity of the positive pressure elastic piece 43 and the atmospheric pressure to enable the positive pressure valve core 41 to be far away from the sealing seat 31, the pressure relief port 21 is communicated with the vent hole 32 to discharge the steam to reduce the internal pressure of the water tank, and therefore the internal pressure of the water tank is maintained at a limit value; when the internal pressure of the water tank is reduced, the air outside the water tank overcomes the elastic force of the negative pressure elastic piece 44 and the pressure in the water tank to enable the negative pressure valve core 42 to be far away from the connecting hole 413, and the air enters the water tank to enable the internal pressure of the water tank to be increased. When the atmospheric pressure changes due to altitude changes, the length of the lower valve body 3 screwed with the main valve body 2 is adjusted, the compression length of the positive pressure elastic piece 43 can be adjusted, the acting force of the positive pressure elastic piece 43 on the positive pressure valve core 41 is changed to balance the difference of the atmospheric pressure changes, and therefore the pressure in the water tank does not change along with the altitude when the pressure relief port 21 is communicated with the vent hole 32. The pressure value that radiator tank lid was opened can be adjusted to the atmospheric pressure under the different altitudes of adaptation makes the water tank internal pressure maintain the setting value, improves engine system's stability.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. The utility model provides a radiator tank lid, has the case lid, its characterized in that still includes:
the upper end of the main valve body is closed and is connected with the inner bottom surface of the box cover, and a pressure relief opening is formed in the side wall of the main valve body;
the lower valve body is screwed at the lower end of the main valve body, the upper end of the lower valve body is opened and extends into the main valve body, a sealing seat is further arranged at the upper end of the lower valve body, a vent hole is formed in the lower end of the lower valve body, and the vent hole is communicated with the pressure relief port through the main valve body and an inner cavity of the lower valve body;
the valve core assembly comprises a positive pressure valve core, a negative pressure valve core, a positive pressure elastic piece and a negative pressure elastic piece; the positive pressure valve core is arranged in the main valve body in a sliding manner; the positive pressure elastic piece is elastically connected with the positive pressure valve core and the main valve body, and provides elasticity to enable the positive pressure valve core to be abutted against the sealing seat so as to separate the main valve body from the inner cavity of the lower valve body; the positive pressure valve core is also provided with a connecting hole which communicates the main valve body with the inner cavity of the lower valve body; the negative pressure valve core is arranged in the lower valve body in a sliding manner, the negative pressure elastic piece is elastically connected with the negative pressure valve core and the lower valve body, and the negative pressure elastic piece provides elastic force to enable the negative pressure valve core to be abutted against the lower end of the positive pressure valve core and block the connecting hole.
2. The radiator tank cap according to claim 1, further comprising a screw lock threadedly mounted on a lower end of the lower valve body, the screw lock being rotatable against the main valve body.
3. The radiator tank cover according to claim 1, wherein the positive pressure valve element includes a support seat and a gasket, the gasket is disposed at a lower end of the support seat and abuts against the seal seat, an upper end of the support seat is connected to the positive pressure elastic member, and the connecting hole penetrates through the support seat and the gasket; the negative pressure valve core is abutted against the lower end face of the sealing gasket.
4. The radiator tank cover according to claim 1, wherein the upper end of the main valve body is open, an upper cover for closing the opening is further provided at the upper end of the main valve body, a limiting block is provided on the upper cover, a limiting groove is further provided on the main valve body, and the limiting block is limited in the limiting groove so that the upper cover is mounted on the main valve body.
5. The radiator tank cover according to claim 1, wherein the inner sidewall of the tank cover further comprises a plurality of clamping blocks, the plurality of clamping blocks are arranged at intervals along the circumferential direction of the tank cover, the upper end of the main valve body further comprises a mounting flange, and the mounting flange is clamped between the plurality of clamping blocks and the bottom wall of the tank cover.
6. The radiator tank cover according to claim 1, wherein said pressure relief port is provided with sealing structures along both sides of said main valve body in the axial direction, said sealing structures being adapted to engage with a tank filler seat to prevent steam discharged from said pressure relief port from leaking along the side wall of said main valve body.
7. The radiator tank cover according to claim 6, wherein the seal structure comprises a seal groove provided on the side wall of the main valve body, and a seal ring installed in the seal groove.
8. The radiator tank cover according to claim 1, wherein the positive pressure elastic member and the negative pressure elastic member are springs.
9. A radiator tank characterized by comprising a radiator tank cover according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632196.1U CN215256444U (en) | 2021-03-29 | 2021-03-29 | Radiator tank cover and radiator tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632196.1U CN215256444U (en) | 2021-03-29 | 2021-03-29 | Radiator tank cover and radiator tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256444U true CN215256444U (en) | 2021-12-21 |
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ID=79505032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120632196.1U Active CN215256444U (en) | 2021-03-29 | 2021-03-29 | Radiator tank cover and radiator tank |
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| Country | Link |
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| CN (1) | CN215256444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517731A (en) * | 2022-04-20 | 2022-05-20 | 华丰动力股份有限公司 | Pressure stabilizer for engine cooling system |
-
2021
- 2021-03-29 CN CN202120632196.1U patent/CN215256444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517731A (en) * | 2022-04-20 | 2022-05-20 | 华丰动力股份有限公司 | Pressure stabilizer for engine cooling system |
| CN114517731B (en) * | 2022-04-20 | 2022-07-12 | 华丰动力股份有限公司 | Pressure stabilizer for engine cooling system |
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