CN210423720U - High-sealing lubrication booster pump - Google Patents
High-sealing lubrication booster pump Download PDFInfo
- Publication number
- CN210423720U CN210423720U CN201921248298.2U CN201921248298U CN210423720U CN 210423720 U CN210423720 U CN 210423720U CN 201921248298 U CN201921248298 U CN 201921248298U CN 210423720 U CN210423720 U CN 210423720U
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- CN
- China
- Prior art keywords
- annular
- reinforcing
- sealing
- groove
- sealing piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 123
- 238000005461 lubrication Methods 0.000 title claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 59
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a high-sealing lubrication booster pump, which comprises a pump shell, wherein a neck is arranged on the pump shell, a shaft hole which is axially penetrated is arranged on the neck, a rotating shaft is arranged on the shaft hole, a first annular groove which is coaxially arranged with the shaft hole is arranged at the end surface of the neck, a framework oil seal is arranged on the first annular groove, a lubrication hole which is communicated with the shaft hole is arranged on the pump shell, a first sealing groove is arranged in the shaft hole and outside a bushing, a reinforcing groove which extends towards the inner side of the pump shell is arranged on the first sealing groove, and the lubrication hole is communicated with the reinforcing groove; the annular sealing piece is positioned on the inner side of the second sealing piece, the outer edge of the annular sealing piece is provided with a reinforcing convex edge which is integrally formed and matched with the reinforcing groove, an annular reinforcing body with the outline similar to that of the annular sealing piece is arranged in the annular sealing piece, and an annular oil storage cavity is formed in the middle of the reinforcing body.
Description
Technical Field
The utility model belongs to the technical field of the booster pump, refer in particular to a high sealed lubricated booster pump.
Background
The booster pump is used for an automobile steering system and is a power source for automobile steering. The booster pump for automobile steering system is also named as power steering pump and includes pump body, belt pulley, rotating shaft, oil seal, oil distributing disc, stator, rotor, blades, flow control valve, etc. the belt pulley is connected to the rotating shaft of the automobile engine or other power rotating shaft.
However, the sealing effect of the conventional booster pump is not ideal, so that the pump shell and the rotating shaft are abraded, and the service life of the whole booster pump is further influenced.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a booster pump of simple structure and sealing performance good lubrication effect ideal.
In order to achieve the above purpose, the utility model provides a following technical scheme: a high-sealing lubrication booster pump comprises a pump shell, wherein a neck is arranged on the pump shell, an axial through shaft hole is formed in the neck, a rotating shaft is arranged on the shaft hole, a bushing is arranged on the inner side of the shaft hole, a first annular groove which is coaxial with the shaft hole is formed in the end face of the neck, a framework oil seal is arranged on the first annular groove, a lubricating hole communicated with the shaft hole is formed in the pump shell, a first sealing groove is formed in the shaft hole and the outer side of the bushing, a reinforcing groove extending towards the inner side of the pump shell is formed in the first sealing groove, and the lubricating hole is communicated with the reinforcing groove; an annular sealing piece and a second sealing piece are arranged on the first sealing groove, the annular sealing piece is positioned on the inner side of the second sealing piece, a reinforcing convex edge which is integrally formed and matched with the reinforcing groove is arranged on the outer edge of the annular sealing piece, an annular reinforcing body with a contour similar to that of the annular sealing piece is arranged in the annular sealing piece, an annular oil storage cavity is formed in the middle of the reinforcing body, an oil filling groove communicated with the oil storage cavity is formed in the outer side end face of the annular sealing piece, and an oil outlet hole penetrating to the oil storage cavity is formed in the inner side end face of the annular sealing piece; the central angle of the arc formed by the oil injection groove is 25-35 degrees.
By adopting the technical scheme, the sealing performance of the shaft hole can be ensured by arranging the annular sealing piece, and the second sealing piece can further play a role in sealing; the outer edge of the annular sealing element is provided with a reinforcing convex edge which is integrally formed and matched with the reinforcing groove, so that the annular sealing element can be supported and positioned; the reinforcing body is arranged in the sealing element, so that the integral structural strength of the sealing element can be improved; an oil storage cavity is formed in the reinforcing body, so that lubricating oil is convenient to store; an oil filling groove with a central angle of 25-35 degrees is formed in the annular sealing element, so that the annular sealing element is convenient to align to a lubricating hole during assembly; and an oil outlet hole penetrating to the oil storage cavity is formed in the end face of the inner side of the annular sealing element, so that the rotating shaft can be lubricated conveniently.
The utility model discloses further set up to: and a wear-resistant layer is arranged on the end surface of the inner side of the annular sealing element.
By adopting the technical scheme, the wear-resistant layer is arranged on the end surface of the inner side of the annular sealing element, so that the wear resistance of the annular sealing element can be improved, and the service life of the whole annular sealing element is prolonged.
The utility model discloses further set up to: and a reinforced sealing piece is arranged in the shaft hole and on the outer side of the second sealing piece, and a supporting bearing is arranged on the outer side of the reinforced sealing piece.
Through adopting foretell technical scheme, be provided with the enhancement sealing member in the shaft hole, the outside of second sealing member, the enhancement sealing member can further ensure sealed effect, is provided with support bearing in the outside of strengthening the sealing member to its supporting role of ability counter rotating shaft, in order to ensure the stability of rotation axis operation.
The utility model discloses further set up to: the cross section of the reinforcing sealing element is in an 'seam' shape, a fixing edge is arranged in the shaft hole, and a reinforcing rib with an I-shaped cross section is arranged in the reinforcing sealing element; and a plurality of sealing lips with arc-shaped cross sections and axially and uniformly distributed are arranged on the end surface of the inner side of the reinforced sealing piece.
By adopting the technical scheme, the reinforcing sealing element with the cross section in the shape of the notch is convenient to install, and the displacement of the reinforcing sealing element can be avoided; the reinforcing ribs are arranged on the reinforcing sealing element, so that the reinforcing sealing element can be supported, and the service life of the whole reinforcing sealing element is prolonged; the inner side of the reinforcing sealing element is provided with a plurality of arc-shaped sealing lips, so that the contact area between the reinforcing sealing element and the rotating shaft is reduced, and meanwhile, multiple sealing is realized, and the integral sealing effect of the reinforcing sealing element is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a pump housing according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a schematic structural view of an annular seal in an embodiment of the present invention;
reference numbers in the drawings and corresponding part names: 1-pump shell, 2-neck, 3-shaft hole, 4-rotating shaft, 5-bushing, 6-framework oil seal, 7-first seal groove, 8-reinforcing groove, 9-annular seal, 10-second seal, 11-reinforcing convex edge, 12-reinforcing body, 13-oil storage cavity, 14-oil injection groove, 15-oil outlet, 16-wear layer, 17-reinforcing seal, 18-support bearing, 19-reinforcing rib, 20-seal lip and 21-lubrication hole.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 3.
A high-sealing lubrication booster pump comprises a pump shell 1, wherein a neck 2 is arranged on the pump shell 1, an axial through shaft hole 3 is formed in the neck 2, a rotating shaft 4 is arranged on the shaft hole 3, a bushing 5 is arranged on the inner side of the shaft hole 3, a first annular groove which is coaxial with the shaft hole 3 is arranged at the end face of the neck 2, a framework oil seal 6 is arranged on the first annular groove, a lubricating hole 21 which is communicated with the shaft hole 3 is formed in the pump shell 1, a first sealing groove 7 which is arranged in the shaft hole 3 and on the outer side of the bushing 5 is provided with a reinforcing groove 8 which extends towards the inner side of the pump shell 1, and the lubricating hole 21 is communicated with the reinforcing groove 8; a second sealing element 10 of an annular sealing element 9 is arranged on the first sealing groove 7, the annular sealing element 9 is positioned at the inner side of the second sealing element 10, a reinforcing convex edge 11 which is integrally formed and matched with the reinforcing groove 8 is arranged at the outer edge of the annular sealing element 9, an annular reinforcing body 12 with the outline similar to that of the annular sealing element 9 is arranged in the annular sealing element 9, an annular oil storage cavity 13 is formed in the middle of the reinforcing body 12, an oil filling groove 14 is formed in the annular sealing element 9, and an oil outlet 15 penetrating to the oil storage cavity 13 is arranged on the inner side end surface of the annular sealing element 9; the oil tank 14 is formed so that the central angle of the arc is 25 to 35.
The sealing performance of the shaft hole 3 can be ensured by arranging the annular sealing piece 9, and the second sealing piece 10 can further play a role in sealing; the outer edge of the annular sealing element 9 is provided with a reinforcing convex edge 11 which is integrally formed and is matched with the reinforcing groove 8, so that the annular sealing element 9 can be supported and positioned; the reinforcing body 12 is arranged in the sealing element, so that the integral structural strength of the sealing element can be improved; an oil storage cavity 13 is formed in the reinforcing body 12, so that lubricating oil is conveniently stored; the annular sealing element 9 is provided with an oil filling groove 14 with a central angle of 25-35 degrees, so that the lubricating hole 21 is aligned during the transfer; and an oil outlet hole 15 penetrating to the oil storage chamber 13 is provided at an inner end surface of the annular seal 9, thereby facilitating lubrication of the rotary shaft 4.
Further: an abrasion resistant layer 16 is arranged on the inner side end surface of the annular sealing element 9.
The wear-resistant layer 16 is arranged on the end face of the inner side of the annular sealing element 9, so that the wear resistance of the annular sealing element 9 can be improved, and the service life of the whole annular sealing element 9 can be prolonged.
Further: a reinforcing seal 17 is provided inside the shaft hole 3 and outside the second seal 10, and a support bearing 18 is provided outside the reinforcing seal 17.
The reinforcing seal 17 is provided inside the shaft hole 3 and outside the second seal 10, so that the reinforcing seal 17 can further ensure the sealing effect, and the support bearing 18 is provided outside the reinforcing seal 17, so that the support function for the rotating shaft 4 can be realized, and the stability of the operation of the rotating shaft 4 can be ensured.
Further: the section of the reinforced sealing piece 17 is in an 'suture' shape, a fixing edge is arranged in the shaft hole 3, and a reinforcing rib 19 with an I-shaped section is arranged in the reinforced sealing piece 17; and the end surface of the inner side of the reinforced sealing member 17 is provided with a plurality of sealing lips 20 which are evenly distributed in the axial direction and have arc-shaped sections.
The reinforcing sealing element 17 with the cross section in the shape of a flap is convenient to install, and the displacement of the reinforcing sealing element 17 can be avoided; the reinforcing rib 19 is arranged on the reinforcing sealing piece 17, so that the reinforcing sealing piece 17 can be supported, and the service life of the whole reinforcing sealing piece 17 is prolonged; a plurality of arc-shaped sealing lips 20 are arranged on the inner side of the reinforced sealing member 17, so that multiple sealing is realized while the contact area of the reinforced sealing member 17 and the rotating shaft 4 is reduced, and the integral sealing effect of the reinforced sealing member 17 is ensured.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (4)
1. The utility model provides a high sealed lubricated booster pump, includes pump case (1), is provided with neck (2) on pump case (1), is provided with axial through shaft hole (3) on neck (2), is provided with rotation axis (4) on shaft hole (3), is provided with bush (5) at shaft hole (3) inboard, is provided with the first annular with shaft hole (3) coaxial setting in the terminal surface department of neck (2) first annular on be provided with skeleton oil blanket (6), and pump case (1) on be provided with communicating lubrication hole (21) in shaft hole (3), characterized by: a first sealing groove (7) is arranged on the outer side of the lining (5) in the shaft hole (3), a reinforcing groove (8) extending towards the inner side of the pump shell (1) is arranged on the first sealing groove (7), and the lubricating hole (21) is communicated with the reinforcing groove (8); an annular sealing piece (9) and a second sealing piece (10) are arranged on the first sealing groove (7), the annular sealing piece (9) is positioned on the inner side of the second sealing piece (10), a reinforcing convex edge (11) which is integrally formed and matched with the reinforcing groove (8) is arranged on the outer edge of the annular sealing piece (9), an annular reinforcing body (12) with the outline similar to that of the annular sealing piece (9) is arranged in the annular sealing piece (9), an annular oil storage cavity (13) is formed in the middle of the reinforcing body (12), and an oil injection groove (14) is formed in the outer end face of the annular sealing piece (9); and an oil outlet hole (15) penetrating to the oil storage cavity (13) is formed in the end surface of the inner side of the annular sealing element (9).
2. The booster pump with high sealing and lubrication as set forth in claim 1, wherein: and a wear-resistant layer (16) is arranged on the end surface of the inner side of the annular sealing element (9).
3. The booster pump with high sealing and lubrication as set forth in claim 2, wherein: a reinforcing seal (17) is arranged in the shaft hole (3) and outside the second seal (10), and a support bearing (18) is arranged outside the reinforcing seal (17).
4. The booster pump with high sealing and lubrication as set forth in claim 3, wherein: the cross section of the reinforced sealing piece (17) is in a 'seam' shape, and a reinforcing rib (19) with an I-shaped cross section is arranged in the reinforced sealing piece (17); and the end surface of the inner side of the reinforced sealing piece (17) is provided with a plurality of sealing lips (20) which are uniformly distributed in the axial direction and have arc-shaped sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248298.2U CN210423720U (en) | 2019-08-02 | 2019-08-02 | High-sealing lubrication booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248298.2U CN210423720U (en) | 2019-08-02 | 2019-08-02 | High-sealing lubrication booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423720U true CN210423720U (en) | 2020-04-28 |
Family
ID=70384565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248298.2U Expired - Fee Related CN210423720U (en) | 2019-08-02 | 2019-08-02 | High-sealing lubrication booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423720U (en) |
-
2019
- 2019-08-02 CN CN201921248298.2U patent/CN210423720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |