CN219062047U - Sealing strip for middle open surface of water pump - Google Patents
Sealing strip for middle open surface of water pump Download PDFInfo
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- CN219062047U CN219062047U CN202223481686.XU CN202223481686U CN219062047U CN 219062047 U CN219062047 U CN 219062047U CN 202223481686 U CN202223481686 U CN 202223481686U CN 219062047 U CN219062047 U CN 219062047U
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Abstract
The utility model relates to the technical field of water pump sealing, and particularly discloses a water pump middle-open-face sealing strip which comprises a main sealing ring, an auxiliary sealing ring and a pressure ring; the main sealing ring, the auxiliary sealing ring and the pressure ring are all arranged on the middle opening surface of the water pump and are fixed through the pressure between the pump body and the pump cover of the water pump; one end of the pressure ring, which is far away from the pressure sealing groove, is connected with the pump cover, the bottom end of the pressure ring presses the bottom wall of the pressure sealing groove, and the two sides of the auxiliary sealing ring are deformed by the tensile force of the bottom wall, so that the two sides of the pressure ring are clamped; the contact surface of the auxiliary sealing ring and the main sealing ring is provided with a sealing lug for multiple sealing, and the contact surface of the pressure ring and the auxiliary sealing ring is provided with a sealing patch for multiple sealing. The main sealing ring, the auxiliary sealing ring and the pressure ring which are matched with each other for use are arranged on the middle opening surface, so that the tightness of the connection among the sealing strip, the pump body and the pump cover can be ensured, and the sealing strip can be prevented from loosening.
Description
Technical Field
The utility model relates to the technical field of water pump sealing, in particular to a water pump middle-open-face sealing strip.
Background
The horizontal split pump is difficult to seal due to high pressure and large sealing surface, and most of the horizontal split pump needs to be provided with a sealing gasket to ensure tightness between the pump body and the pump cover, so that leakage of medium in the pump body is prevented. Whether the gasket is properly installed has a direct effect on the sealing effect, and because microscopic irregularities are always present on the sealing gasket and the open face in the pump, enough pressing force is a key for ensuring sealing.
The prior patent application number is: CN201920173865.6, patent name: the utility model relates to an open-face sealing structure of a double-suction pump, which is characterized in that the sealing structure of a pump body and a pump cover is used for sealing the pump body and the pump cover by utilizing the sealing principle similar to an O-shaped ring under the action of gravity of the pump cover and fastening force of a stud.
Because the O-shaped sealing strip that adopts in this scheme is when in actual use, this kind of single seal structure is under the long-term extrusion of pump cover, because close pump cover screw has very big extrusion force to the sealing washer, in addition the sealing strip is soaked for a long time in the water pump, leads to itself can lose original elasticity because ageing, deformation for this seal structure inefficacy, leads to the open face to have the risk of revealing in this water pump, needs to improve it.
Disclosure of Invention
The utility model aims to provide a water pump middle-open-face sealing strip which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a middle open-face sealing strip of a water pump comprises a main sealing ring, an auxiliary sealing ring and a pressure ring; the main sealing ring, the auxiliary sealing ring and the pressure ring are all arranged on the middle opening surface of the water pump and are fixed through the pressure between the pump body and the pump cover of the water pump;
the pump body is provided with a main sealing groove, and the main sealing ring is arranged in the main sealing groove; an auxiliary sealing groove is formed in one surface, close to the pump cover, of the main sealing ring, and the auxiliary sealing ring is embedded into the auxiliary sealing groove; a pressure sealing groove is formed in one surface, close to the pump cover, of the auxiliary sealing ring, and the pressure ring is embedded into the pressure sealing groove; one end of the pressure ring, which is far away from the pressure sealing groove, is connected with the pump cover, the bottom end of the pressure ring presses the bottom wall of the pressure sealing groove, and the two sides of the auxiliary sealing ring are deformed by the tensile force of the bottom wall, so that the two sides of the pressure ring are clamped;
the contact surface of the auxiliary sealing ring and the main sealing ring is provided with a sealing lug for multiple sealing, and the contact surface of the pressure ring and the auxiliary sealing ring is provided with a sealing patch for multiple sealing.
Preferably, the outer side wall of the main sealing ring is tightly connected with the main sealing groove, and the main sealing ring is structurally matched with the main sealing groove.
Preferably, the cross section of the auxiliary sealing ring is of an arc-shaped structure.
Preferably, the section of the pressure ring is of a T-shaped structure.
Preferably, an elastic pressure head is arranged at the bottom end of the pressure ring and is connected with the bottom wall of the pressure sealing groove.
Preferably, the bottom of the main sealing ring is provided with a telescopic cavity in the vertical downward moving direction of the elastic pressure head, a downward pressing space is provided for the pressure sealing ring, the auxiliary sealing ring is convenient to deform in the later period, and two sides of the pressure sealing ring are clamped.
Preferably, one end of the sealing lug, which is far away from the auxiliary sealing ring, is embedded and arranged on the main sealing ring, so that the connection tightness of the main sealing ring and the auxiliary sealing ring is improved.
Preferably, the sealing patch is tightly attached to the inner wall of the pressure sealing groove, the sealing patches on two sides of the pressure ring are distributed in an inverted splayed structure, and when the sealing patch is installed, the sealing patch is upwards inclined to be attached to the inner wall of the pressure sealing groove after being extruded by the pressure sealing groove, a certain reaction force is generated on the pressure sealing ring through the elasticity of the sealing patch, and the sealing performance of the pressure sealing groove is improved.
Compared with the prior art, the utility model has the beneficial effects that:
according to the water pump middle-opening sealing strip, the technical problems that an elastic sealing component adopted by the traditional water pump middle-opening sealing strip is easy to deform and is insufficient in sealing performance are solved, the middle-opening sealing strip is provided with the main sealing ring, the auxiliary sealing ring and the pressure ring which are matched with each other for use, so that after the pump cover is connected and fastened with a pump body, the pressure ring is compacted by means of the dead weight of the pump cover, the bottom end of the pressure ring is pressed against the bottom wall of the pressure sealing strip, the two sides of the auxiliary sealing ring and the main sealing ring are deformed by the pulling force of the bottom wall, and further the two sides of the pressure ring are clamped by the wing edges of the two sides of the auxiliary sealing ring, so that the sealing strip, the pump body and the pump cover can be mutually connected in sealing performance, and the sealing strip can be prevented from loosening.
Drawings
FIG. 1 is a schematic illustration of a specific structure of a main seal groove of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a partial specific structure of the present utility model;
fig. 4 is a schematic diagram of a connection structure between a seal patch and a secondary seal ring according to the present utility model.
In the figure: 1. a main seal ring; 2. an auxiliary sealing ring; 3. a pressure ring; 4. a pump body; 5. a pump cover; 6. a main seal groove; 7. an auxiliary seal groove; 8. a pressure seal groove; 9. a sealing bump; 10. sealing the patch; 11. an elastic pressure head; 12. a telescopic chamber.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Any one embodiment of the present utility model will be described below with reference to fig. 1 to 4 for further explanation:
example 1: a water pump middle-open surface sealing strip comprises a main sealing ring 1, an auxiliary sealing ring 2 and a pressure ring 3; the main sealing ring 1, the auxiliary sealing ring 2 and the pressure ring 3 are all arranged on the middle opening surface of the water pump, and are fixed through the pressure between the pump body 4 and the pump cover 5 of the water pump;
the pump body 4 is provided with a main sealing groove 6, and the main sealing ring 1 is arranged in the main sealing groove 6; a secondary sealing groove 7 is formed in one surface, close to the pump cover 5, of the main sealing ring 1, and the secondary sealing ring 2 is embedded into the secondary sealing groove 7; a pressure sealing groove 8 is formed in one surface, close to the pump cover 5, of the auxiliary sealing ring 2, and the pressure ring 3 is embedded into the pressure sealing groove 8; one end of the pressure ring 3, which is far away from the pressure sealing groove 8, is connected with the pump cover 5, the bottom end of the pressure ring 3 presses the bottom wall of the pressure sealing groove 8, and the two sides of the auxiliary sealing ring 2 are deformed by the tensile force of the bottom wall, so that the two sides of the pressure ring 3 are clamped;
as a preferred embodiment, the outer side wall of the main seal ring 1 is tightly connected with the main seal groove 6, and the end of the main seal ring 1 away from the main seal groove 6 is tightly connected with the pump cover 5.
As a preferred embodiment, the bottom of the main sealing ring 1 is provided with a telescopic cavity 12 in the vertical downward moving direction of the elastic pressure head 11.
As a preferred embodiment, the cross section of the secondary sealing ring 2 is in an arc-shaped structure.
As a preferred embodiment, the cross section of the pressure ring 3 is of a T-shaped structure.
As a preferred embodiment, the bottom end of the pressure ring 3 is provided with an elastic pressure head 11, and the elastic pressure head 11 is connected with the bottom wall of the pressure sealing groove 8.
In this embodiment: this scheme is provided with the main sealing washer 1, vice sealing washer 2, the pressure circle 3 of mutually supporting use on the well open face of water pump, make it can be in sealed state at pump cover 5 and pump body 4 after fastening, rely on the dead weight of pump cover 5 to extrude pressure circle 3 to one side of pump body 4, the pressure circle 3 atress back, homonymy extrusion vice sealing washer 2, main sealing washer 1, owing to offered flexible chamber 12 on the main sealing washer 1, make the bottom extrusion pressure seal groove 8's of pressure circle 3 diapire, take place deformation after the pulling force that makes the both sides of vice sealing washer 2 receive the production of diapire, and then press from both sides tight pressure circle 3, make main sealing groove 6, vice sealing groove 7, pressure seal groove 8 all be in sealed state, make it both can ensure sealing strip structure wholly and pump body 4, the leakproofness of being connected each other between pump cover 5, also can prevent the whole circumstances that the sealing strip from appearing not hard up.
Example 2: a sealing lug 9 for multiple sealing is arranged on the contact surface of the auxiliary sealing ring 2 and the main sealing ring 1, and one end, far away from the auxiliary sealing ring 2, of the sealing lug 9 is embedded and arranged on the main sealing ring 1; the contact surface of the pressure ring 3 and the auxiliary sealing ring 2 is provided with sealing patches 10 for multiple sealing, the sealing patches 10 are tightly attached to the inner wall of the pressure sealing groove 8, and the sealing patches 10 on two sides of the pressure ring 3 are distributed in an inverted splayed structure.
In this embodiment: in this scheme, through add sealing lug 9, sealing paster 10 on the sealed face of adjacent, make it can improve the compactness of being connected between a plurality of sealing washer, simultaneously, can form multiple seal structure between a plurality of seal grooves, make its further sealing washer structure wholly and pump body 4, pump cover 5 each other be connected's leakproofness of guaranteeing, also can prevent that the sealing washer wholly from appearing not hard up condition.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An open-faced sealing strip in a water pump is characterized in that: comprises a main sealing ring (1), an auxiliary sealing ring (2) and a pressure ring (3); the main sealing ring (1), the auxiliary sealing ring (2) and the pressure ring (3) are all arranged on the middle opening surface of the water pump, and are fixed through the pressure between the pump body (4) and the pump cover (5) of the water pump;
a main sealing groove (6) is formed in the pump body (4), and the main sealing ring (1) is arranged in the main sealing groove (6); an auxiliary sealing groove (7) is formed in one surface, close to the pump cover (5), of the main sealing ring (1), and the auxiliary sealing ring (2) is embedded into the auxiliary sealing groove (7); a pressure sealing groove (8) is formed in one surface, close to the pump cover (5), of the auxiliary sealing ring (2), and the pressure ring (3) is embedded into the pressure sealing groove (8); one end of the pressure ring (3) far away from the pressure sealing groove (8) is connected with the pump cover (5), and two sides of the auxiliary sealing ring (2) clamp two sides of the pressure ring (3);
the sealing device is characterized in that a sealing convex block (9) for multiple sealing is arranged on the contact surface of the auxiliary sealing ring (2) and the main sealing ring (1), and a sealing patch (10) for multiple sealing is arranged on the contact surface of the pressure ring (3) and the auxiliary sealing ring (2).
2. The water pump split seal strip of claim 1, wherein: the outer side wall of the main sealing ring (1) is tightly connected with the main sealing groove (6).
3. The water pump split seal strip of claim 1, wherein: the section of the auxiliary sealing ring (2) is of an arc-shaped structure.
4. The water pump split seal strip of claim 1, wherein: the section of the pressure ring (3) is of a T-shaped structure.
5. The water pump split seal strip of claim 1, wherein: the bottom of the pressure ring (3) is provided with an elastic pressure head (11), and the elastic pressure head (11) is connected with the bottom wall of the pressure seal groove (8).
6. The water pump split seal strip of claim 1, wherein: the bottom of the main sealing ring (1) is provided with a telescopic cavity (12) in the vertical direction of the elastic pressure head (11).
7. The water pump split seal strip of claim 1, wherein: one end of the sealing lug (9) far away from the auxiliary sealing ring (2) is embedded and arranged on the main sealing ring (1).
8. The water pump split seal strip of claim 1, wherein: the sealing patches (10) are tightly attached to the inner wall of the pressure sealing groove (8), and the sealing patches (10) on two sides of the pressure ring (3) are distributed in an inverted splayed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481686.XU CN219062047U (en) | 2022-12-26 | 2022-12-26 | Sealing strip for middle open surface of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481686.XU CN219062047U (en) | 2022-12-26 | 2022-12-26 | Sealing strip for middle open surface of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062047U true CN219062047U (en) | 2023-05-23 |
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ID=86368932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223481686.XU Active CN219062047U (en) | 2022-12-26 | 2022-12-26 | Sealing strip for middle open surface of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062047U (en) |
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2022
- 2022-12-26 CN CN202223481686.XU patent/CN219062047U/en active Active
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