CN214274854U - Sealing structure for high-pressure pump and high-pressure pump - Google Patents
Sealing structure for high-pressure pump and high-pressure pump Download PDFInfo
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- CN214274854U CN214274854U CN202023227947.6U CN202023227947U CN214274854U CN 214274854 U CN214274854 U CN 214274854U CN 202023227947 U CN202023227947 U CN 202023227947U CN 214274854 U CN214274854 U CN 214274854U
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- pressure pump
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Abstract
The utility model provides a sealing structure for a high-pressure pump and the high-pressure pump, which belongs to the technical field of high-pressure pumps, the sealing structure of the high-pressure pump comprises a sealing cover, a spring and a pushing structure, an inner ring sleeve is arranged in the sealing cover, an inner hole of the inner ring sleeve penetrates through the sealing cover, the sealing cover is used for being connected with a first flange plate, an oil liquid pipe is arranged on the inner ring sleeve, and a containing cavity is enclosed by the sealing cover and the inner ring sleeve; spring quantity is a plurality of, and the intracavity is held in locating to the spring, and a plurality of springs evenly set up along the circumferencial direction of oil liquid pipe, and spring one end compresses tightly the second ring flange of oil liquid pipe: the pushing structure is connected with the other end of the spring and used for pushing the spring to press the second flange plate and adjusting the pressing force of the spring. The utility model discloses high-pressure pump is including the seal structure who is used for the high-pressure pump. The utility model provides a seal structure and high-pressure pump for high-pressure pump can make the more lasting leakproofness that keeps of high-pressure pump, need not frequently to detect the high-pressure pump.
Description
Technical Field
The utility model belongs to the technical field of the high-pressure pump, more specifically say, relate to a seal structure and high-pressure pump for high-pressure pump.
Background
And an oil liquid pipe is arranged on a pump body of the high-pressure pump and is used for liquid to flow into or out of the high-pressure pump. Be equipped with the influent stream mouth on the casing of high-pressure pump and flow out the mouth, influent stream mouth all is equipped with first ring flange with flow out mouth department, is equipped with the second ring flange on the fluid pipe, is equipped with seal gasket between first ring flange and second ring flange, and the second ring flange passes through the bolt with first ring flange and links to each other. The connecting structure has poor sealing performance, and liquid leakage is easily caused due to loosening of the bolts, so that the normal operation of the high-pressure pump is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal structure for high-pressure pump aims at solving the casing of current high-pressure pump and the connection structure of oil liquid pipe, and the leakproofness is relatively poor, easily because the bolt is not hard up to cause liquid leakage, influences the problem of the normal operating of high-pressure pump.
In order to achieve the above object, the utility model adopts the following technical scheme: the sealing structure for the high-pressure pump comprises a sealing cover, a spring and a pushing structure, wherein an inner ring sleeve is arranged in the sealing cover, an inner hole of the inner ring sleeve penetrates through the sealing cover, the sealing cover is used for being connected with a first flange plate, an oil liquid pipe is sleeved on the inner ring sleeve, and an accommodating cavity is defined by the sealing cover and the inner ring sleeve; spring quantity is a plurality of, and the intracavity is held in locating to the spring, and a plurality of springs evenly set up along the circumferencial direction of oil liquid pipe, and spring one end compresses tightly the second ring flange of oil liquid pipe: the pushing structure is connected with the other end of the spring and used for pushing the spring to press the second flange plate and adjusting the pressing force of the spring.
As another embodiment of this application, a seal structure for high-pressure pump still includes the clamping ring, and the clamping ring is arranged in holding the chamber, and the cover is located outside the fluid pipe, and the clamping ring links to each other with the spring, and the spring compresses tightly the second ring flange through the clamping ring.
As another embodiment of the application, the ejection structure comprises an ejection ring and an ejection piece, the ejection ring is located in the containing cavity and sleeved outside the oil pipe, and the ejection ring is connected with the spring; the ejection piece is connected with the ejection ring, and the ejection piece adjusts the pressing force of the spring on the second flange plate through the ejection ring.
According to another embodiment of the application, the ejection part is an ejection bolt, the ejection bolts are arranged in a plurality of numbers, the ejection bolts are uniformly arranged along the circumferential direction, the sealing cover is provided with a plurality of threaded holes, the ejection bolt is in threaded connection with the threaded holes, and the ejection bolt is in rotating connection with the ejection ring.
According to another embodiment of the application, the ejection part is an ejection bolt, the ejection bolts are arranged in a plurality of numbers, the ejection bolts are uniformly arranged along the circumferential direction, the sealing cover is provided with a plurality of threaded holes, the ejection bolts are in threaded connection with the threaded holes, and the ejection bolts are in spherical hinge connection with the ejection ring.
As another embodiment of this application, be equipped with the upper limit post on the ejector ring, be equipped with down the limit post on the clamping ring, on the upper limit post was located to spring pot head, on the other end cover of spring was located down the limit post.
As another embodiment of the present application, the seal cap is welded to the first flange.
As another embodiment of the present application, the sidewall of the sealing cover is provided with a plurality of openings along the circumferential direction.
As another embodiment of this application, be equipped with the elastic cushion layer on the clamping ring, the clamping ring compresses tightly the second ring flange through the elastic cushion layer.
There is provided a high-pressure pump including any one of the above-described seal structures for a high-pressure pump.
The utility model provides a seal structure for high-pressure pump's beneficial effect lies in: compared with the prior art, the sealing structure for the high-pressure pump is characterized in that an inner ring sleeve is arranged in the sealing cover, an inner hole of the inner ring sleeve penetrates through the sealing cover, the sealing cover is connected with the first flange plate, the inner ring sleeve is provided with the oil liquid pipe, and the sealing cover and the inner ring sleeve form an accommodating cavity; the containing cavity is internally provided with a plurality of springs, the springs are uniformly arranged along the circumferential direction, one end of each spring compresses the second flange, the other end of each spring is connected with the ejection structure, the pressing force of the springs on the second flange is adjusted through the ejection structure, the second flange is compressed on the first flange, and the second flange and the first flange are clamped with the sealing gasket tightly. The utility model discloses high-pressure pump has improved the leakproofness of high-pressure pump including the seal structure who is used for the high-pressure pump.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view illustrating a sealing structure for a high-pressure pump according to an embodiment of the present invention connected to the high-pressure pump;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion B of FIG. 3;
fig. 5 is a schematic view of a sealing structure for a high-pressure pump according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the ejector ring and the compression ring according to the embodiment of the present invention.
In the figure: 1. a housing; 2. a sealing cover; 3. an oil liquid pipe; 4. pushing the bolt; 5. a first flange plate; 6. a spring; 7. pushing the top ring; 8. pressing a ring; 9. an inner ring sleeve; 10. an upper limiting column; 11. a lower restraining post.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4 together, the sealing structure for a high-pressure pump according to the present invention will now be described. The sealing structure for the high-pressure pump comprises a sealing cover 2, a spring 6 and a pushing structure, wherein an inner ring sleeve 9 is arranged in the sealing cover 2, an inner hole of the inner ring sleeve 9 penetrates through the sealing cover 2, the sealing cover 2 is used for being connected with a first flange plate 5, an oil liquid pipe 3 is sleeved on the inner ring sleeve 9, and a containing cavity is defined by the sealing cover 2 and the inner ring sleeve 9; 6 a plurality of, 6 locating of spring hold the intracavity, and a plurality of springs 6 evenly set up along the circumferencial direction of fluid pipe 3, and 6 one end of spring compresses tightly the second ring flange of fluid pipe 3: the pushing structure is connected with the other end of the spring 6 and used for pushing the spring 6 to press the second flange and adjusting the pressing force of the spring 6.
Compared with the prior art, the sealing structure for the high-pressure pump provided by the utility model has the advantages that the inner ring sleeve 9 is arranged in the sealing cover 2, the inner hole of the inner ring sleeve 9 penetrates through the sealing cover 2, the sealing cover 2 is connected with the first flange plate 5, the oil liquid pipe 3 is sleeved on the inner ring sleeve 9, and the sealing cover 2 and the inner ring sleeve 9 form an accommodating cavity; the accommodating cavity is internally provided with a plurality of springs 6, the springs 6 are uniformly arranged along the circumferential direction, one ends of the springs 6 compress the second flange plate, the other ends of the springs 6 are connected with the ejection structure, the pressing force of the springs 6 on the second flange plate is adjusted through the ejection structure, the second flange plate is compressed on the first flange plate 5, so that the second flange plate and the first flange plate 5 clamp the sealing gasket, even if the connecting bolts between the first flange plate 5 and the second flange plate are loosened, the second flange plate can be tightly attached to the first flange plate 5, the sealing property of the high-pressure pump is kept more durably, and the high-pressure pump is not required to be frequently detected.
As a specific implementation manner of the sealing structure for high-pressure pump provided in the present invention, please refer to fig. 1 to 6, the sealing structure for high-pressure pump further includes a pressing ring 8, the pressing ring 8 is located in the accommodating cavity and is sleeved outside the oil pipe 3, the pressing ring 8 is connected with the spring 6, and the spring 6 compresses the second flange through the pressing ring 8.
In this embodiment, the first flange 5 on the housing 1 is provided with a connecting threaded hole, the second flange of the oil pipe 3 is provided with a countersunk hole, and the bolt is inserted into the countersunk hole and connected to the first flange 5. The clamping ring 8 compresses tightly the second ring flange, covers the counter sink to 8 clamping rings compress tightly the second ring flange on first ring flange 5 the time, still can be spacing in the counter sink with the bolt, avoid the bolt not hard up, thereby guarantee the leakproofness that second ring flange and first ring flange 5 are connected.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, the pushing structure includes a pushing ring 7 and a pushing member, the pushing ring 7 is located in the accommodating cavity and sleeved outside the oil pipe 3, and the pushing ring 7 is connected to the spring 6; the ejection piece is connected with the ejection ring 7, and the ejection piece adjusts the pressing force of the spring 6 on the second flange plate through the ejection ring 7.
In this embodiment, the ejector is connected with the ejector ring 7, the ejector ring 7 is connected with the springs 6, and the ejector pushes the springs 6 through the ejector ring 7, so as to ensure uniform compression of the springs 6.
As a specific implementation manner of the embodiment of the present invention, refer to fig. 3 and fig. 4, the ejection member is the ejection bolt 4, the ejection bolt 4 is provided with a plurality of, a plurality of ejection bolts 4 are evenly provided along the circumferential direction, the sealing cover 2 is provided with a plurality of threaded holes, the ejection bolt 4 is in threaded connection with the threaded holes, and the ejection bolt 4 is rotatably connected with the ejection ring 7.
In this embodiment, the ejector bolt 4 is rotated, the ejector bolt 4 moves along the length direction of the threaded hole, so that the spring 6 is compressed by the ejector ring 7, the spring 6 pushes the press ring 8 to be pressed on the second flange, and the compression amount of the spring 6 is controlled by controlling the pressing length of the ejector bolt 4, so that the pressing force on the second flange is controlled.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the ejection member is the ejection bolt 4, the ejection bolt 4 is provided with a plurality of ejection bolts 4, the plurality of ejection bolts 4 are uniformly arranged along the circumferential direction, the sealing cover 2 is provided with a plurality of threaded holes, the ejection bolt 4 is in threaded connection with the threaded holes, and the ejection bolt 4 is in ball-joint with the ejection ring 7.
In this embodiment, if the ejector bolt 4 is rotatably connected to the ejector ring 7, a plurality of people are required to simultaneously and synchronously move the plurality of ejector bolts 4. The ejection bolt 4 is in ball hinge joint with the ejection ring 7, the pressing length of the ejection bolt 4 can be adjusted in sequence, and finally the pressure of all the springs 6 can be adjusted.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, an upper limit post 10 is disposed on the ejector ring 7, a lower limit post 11 is disposed on the pressing ring 8, one end of the spring 6 is sleeved on the upper limit post 10, and the other end of the spring 6 is sleeved on the lower limit post 11.
In this embodiment, the ejector ring 7 is provided with an upper limit post 10, the press ring 8 is provided with a lower limit post 11, one end of the spring 6 is sleeved on the upper limit post 10, and the other end of the spring 6 is sleeved on the lower limit post 11, so that when the ejector ring 7 presses the spring 6 downwards, the spring 6 cannot bend under the limit guiding action of the upper limit post 10 and the lower limit post 11, and the pressing force of the spring 6 is stably transmitted to the press ring 8.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the sealing cover 2 is welded to the first flange 5.
In this embodiment, the sealing cover 2 is welded to the first flange 5, so that the pressing force of the pressing ring 8 on the second flange is prevented from being affected due to the loose connection between the sealing cover 2 and the first flange 5, and the stable connection between the sealing cover 2 and the first flange 5 is ensured.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, a plurality of openings are formed on the sidewall of the sealing cover 2 along the circumferential direction.
In this embodiment, be equipped with a plurality of openings along the circumferencial direction on the lateral wall of sealed lid 2, conveniently when operating personnel inspection and maintenance, change spring 6, perhaps fasten the bolt that uses with the second ring flange to first ring flange 5.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, an elastic cushion layer is disposed on the pressing ring 8, and the pressing ring 8 compresses the second flange plate through the elastic cushion layer.
In this embodiment, the clamping ring 8 compresses tightly the second ring flange through the elastic cushion layer, because of the elasticity of elastic cushion layer, when the contact of elastic cushion layer and second ring flange, but carry on spacingly because elasticity protruding counter sink with the elastic cushion layer part that the counter sink of second ring flange corresponds. And the elastic cushion layer is arranged, so that the clamping ring 8 can be ensured to be in more stable contact with the second flange plate.
There is provided a high-pressure pump including any one of the above-described seal structures for a high-pressure pump.
In this embodiment, the high-pressure pump includes the seal structure for the high-pressure pump, has improved the leakproofness of high-pressure pump.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A seal structure for a high-pressure pump, comprising:
an inner ring sleeve is arranged in the sealing cover, an inner hole of the inner ring sleeve penetrates through the sealing cover, the sealing cover is used for being connected with the first flange plate, the inner ring sleeve is sleeved with the oil liquid pipe, and the sealing cover and the inner ring sleeve form an accommodating cavity in a surrounding mode;
spring, quantity is a plurality of, the spring is located hold the intracavity, it is a plurality of the spring is followed the circumferencial direction of oil liquid pipe evenly sets up, spring one end compresses tightly the second ring flange of oil liquid pipe: and
and the pushing structure is connected with the other end of the spring and used for estimating that the spring presses the second flange plate and adjusting the pressing force of the spring.
2. The sealing structure for a high-pressure pump according to claim 1, further comprising a pressing ring, wherein the pressing ring is located in the accommodating chamber and sleeved outside the oil pipe, the pressing ring is connected to the spring, and the spring presses the second flange plate through the pressing ring.
3. The seal structure for a high-pressure pump according to claim 2, characterized in that the ejector structure comprises:
the ejection ring is positioned in the accommodating cavity and sleeved outside the oil pipe, and the ejection ring is connected with the spring;
and the ejection piece is connected with the ejection ring, and the ejection piece adjusts the pressing force of the spring on the second flange plate through the ejection ring.
4. The seal structure for a high-pressure pump according to claim 3, wherein said ejector is a plurality of ejector bolts, said plurality of ejector bolts are arranged uniformly in a circumferential direction, said seal cover is provided with a plurality of threaded holes, said ejector bolts are screwed into said threaded holes, and said ejector bolts are rotatably connected to said ejector ring.
5. The seal structure for a high-pressure pump according to claim 3, wherein said ejector is a plurality of ejector bolts, said plurality of ejector bolts are arranged uniformly in a circumferential direction, said seal cover is provided with a plurality of threaded holes, said ejector bolts are screwed into said threaded holes, and said ejector bolts are ball-hinged to said ejector ring.
6. The seal structure for a high-pressure pump according to claim 3, wherein an upper limit post is provided on the knock ring, a lower limit post is provided on the press ring, one end of the spring is fitted on the upper limit post, and the other end of the spring is fitted on the lower limit post.
7. The seal structure for a high-pressure pump according to claim 1, wherein the seal cover is welded to the first flange.
8. The seal structure for a high-pressure pump according to claim 7, wherein a plurality of openings are provided in a circumferential direction on a side wall of the seal cover.
9. The seal structure for a high-pressure pump according to claim 2, wherein an elastic cushion layer is provided on the pressing ring, and the pressing ring presses the second flange plate via the elastic cushion layer.
10. High-pressure pump, characterized in that it comprises a sealing structure for a high-pressure pump according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227947.6U CN214274854U (en) | 2020-12-28 | 2020-12-28 | Sealing structure for high-pressure pump and high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227947.6U CN214274854U (en) | 2020-12-28 | 2020-12-28 | Sealing structure for high-pressure pump and high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274854U true CN214274854U (en) | 2021-09-24 |
Family
ID=77783861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023227947.6U Active CN214274854U (en) | 2020-12-28 | 2020-12-28 | Sealing structure for high-pressure pump and high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274854U (en) |
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2020
- 2020-12-28 CN CN202023227947.6U patent/CN214274854U/en active Active
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