CN220134265U - Pump body with good sealing performance - Google Patents
Pump body with good sealing performance Download PDFInfo
- Publication number
- CN220134265U CN220134265U CN202321554295.8U CN202321554295U CN220134265U CN 220134265 U CN220134265 U CN 220134265U CN 202321554295 U CN202321554295 U CN 202321554295U CN 220134265 U CN220134265 U CN 220134265U
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- Prior art keywords
- pump body
- sealing
- ring
- mounting hole
- screw rod
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- 238000007789 sealing Methods 0.000 title claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a pump body with good sealing performance, which comprises a shell of the pump body and a main shaft of the pump body; the shell is provided with a mounting hole, the main shaft is provided with a shaft sleeve, and the shaft sleeve penetrates through the mounting hole; a circular groove is formed in the wall of the mounting hole, and a plurality of sealing rings are filled in the circular groove; the periphery of the outer ring of the sealing ring is provided with a plurality of compressing mechanisms distributed in an annular array, and the compressing mechanisms compress the inner ring of the sealing ring. The sealing ring has the advantages that the contact position of the inner ring of the sealing ring and the shaft sleeve is provided with the plurality of pressing mechanisms distributed in the annular array, so that uniform pressing can be provided for the periphery of the inner ring of the sealing ring, the sealing effect of the inner ring of the sealing ring on the shaft sleeve is improved, and the overall sealing performance is good.
Description
Technical Field
The utility model relates to the field of pump bodies, in particular to a pump body with good sealing performance.
Background
At present, a shell of a pump body is in rotary sealing connection with a main shaft, and a sealing ring is adopted to provide sealing.
According to the water pump sealing structure and the water pump with the publication number of CN206682033U, most of energy of a transmission medium is lost through the spiral sealing groove, the pressure of a packing sealing section is reduced, the lip sealing ring works under a lower pressure, and the sealing effect of the lip sealing ring is best. The first lip seal ring, the seal ring and the second lip seal ring are sequentially arranged, so that the two lip seal rings are kept in a correct form and can work normally, and the first lip seal ring and the second lip seal ring can be tightly pressed together by the packing gland;
the above patent has the defect that the contact position of the lip seal ring and the shaft sleeve on the main shaft lacks a compacting design, the contact of the seal ring and the cylindrical surface of the shaft sleeve may not be good, and the tightness may not be good.
Therefore, a pump body having a good sealing performance has been proposed against the above-mentioned problems.
Disclosure of Invention
The pump body with good sealing performance is provided in the embodiment and is used for solving the problem that in the prior art, a compression contact design is lacking between an inner ring of a sealing ring and a main shaft.
According to one aspect of the utility model, a pump body with good sealing performance is provided, which comprises a shell of the pump body and a main shaft of the pump body; the shell is provided with a mounting hole, the main shaft is provided with a shaft sleeve, and the shaft sleeve penetrates through the mounting hole; a circular groove is formed in the wall of the mounting hole, and a plurality of sealing rings are filled in the circular groove; the periphery of the outer ring of the sealing ring is provided with a plurality of compressing mechanisms distributed in an annular array, and the compressing mechanisms compress the inner ring of the sealing ring.
Further, hold-down mechanism includes the screw rod and sets up the jack in screw rod one end department, jack clearance fit is connected with the inserted bar, the one end fixed mounting that the screw rod was kept away from to the inserted bar has the pressure post, the inner circle of sealing washer is pressed to the pressure post, be provided with the spring in the jack, the inserted bar passes through spring and screw rod elastic connection.
Further, one end of the pressing column far away from the inserted link is of a spherical structure.
Further, a plurality of groove bodies distributed in an annular array are formed around the outer ring of the sealing ring.
Further, the screw is in threaded connection with a threaded hole formed in the shell, and the threaded hole is communicated with the mounting hole.
Further, the screw rod is kept away from the one end fixedly connected with sealing plate of inserted bar, and sealing plate covers and seals the one end that the screw hole kept away from the mounting hole.
The utility model has the advantages that: compared with the prior art, the pump body with good sealing performance has the advantages that the plurality of pressing mechanisms distributed in the annular array are arranged at the contact position of the inner ring of the sealing ring and the shaft sleeve, uniform pressing can be provided for the periphery of the inner ring of the sealing ring, the sealing effect of the inner ring of the sealing ring on the shaft sleeve position is improved, and the overall sealing performance is good.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to one embodiment of the present utility model;
fig. 3 is a schematic diagram of a groove distribution structure according to an embodiment of the present utility model.
In the figure: 1. a housing; 2. a mounting hole; 3. a main shaft; 4. a shaft sleeve; 5. circular ring grooves; 6. a seal ring; 7. a tank body; 8. a threaded hole; 9. a screw; 10. sealing plate; 11. pressing a column; 12. a rod; 13. and (3) a spring.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. 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.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-3, a pump body with good sealing performance includes a housing 1 of the pump body and a main shaft 3 of the pump body;
the shell 1 is provided with a mounting hole 2, the main shaft 3 is provided with a shaft sleeve 4, and the shaft sleeve 4 penetrates through the mounting hole 2;
a circular ring groove 5 is formed in the wall of the mounting hole 2, and a plurality of sealing rings 6 are filled in the circular ring groove 5;
the periphery of the outer ring of the sealing ring 6 is provided with a plurality of compressing mechanisms distributed in an annular array, and the compressing mechanisms compress the inner ring of the sealing ring 6.
The compressing mechanism comprises a screw rod 9 and a jack arranged at one end of the screw rod 9, the jack is connected with an inserting rod 12 in clearance fit, a compressing column 11 is fixedly arranged at one end, far away from the screw rod 9, of the inserting rod 12, the compressing column 11 compresses the inner ring of the sealing ring 6, a spring 13 is arranged in the jack, and the inserting rod 12 is elastically connected with the screw rod 9 through the spring 13;
the screw 9 is in threaded connection with a threaded hole 8 arranged on the shell 1, and the threaded hole 8 is communicated with the mounting hole 2;
the end of the screw rod 9 far away from the inserted link 12 is fixedly connected with a sealing plate 10, and the sealing plate 10 covers one end of the closed threaded hole 8 far away from the mounting hole 2.
As a specific technical scheme of the utility model, the sealing ring can provide compression for the inner ring of the sealing ring 6, so that the sealing is ensured.
The end of the pressing column 11 far away from the inserted link 12 is of a spherical structure.
A plurality of groove bodies 7 distributed in an annular array are formed in the periphery of the outer ring of the sealing ring 6 and used for the pressing mechanism to penetrate through.
The using method comprises the following steps: when the pump body with good sealing performance is used, the spring 13 is in a compressed state and provides pressure for the inserted link 12, so that the spherical end of the pressing column 11 is tightly pressed on the inner ring of the sealing ring 6, the inner ring of the sealing ring 6 is tightly contacted with the shaft sleeve 4, the contact pressing effect is improved, the sealing between the pump body and the main shaft 3 is improved, and the sealing effect is good;
specifically, when the sealing plate is installed, the sealing plate is screwed into the threaded hole 8 through the screw rod 9, so that the pressing column 11 is in pressing contact with the sealing ring 6, the spring 13 in the sealing plate is compressed, elastic pressure is provided, and the installation is realized, wherein the sealing plate 10 and the shell 1 are sealed by welding; the outer ring of the sealing ring 6 can be fixedly arranged with the circular ring groove 5, and can be bonded and sealed by glue;
the utility model can also design a lubrication structure for the annular groove 5, such as a water pump sealing structure with the publication number of CN206682033U and a design of a water pump and an oil cup communicated sealing ring, which are not described in detail in the prior art;
compared with the prior art, the pump body with good sealing performance has the advantages that the plurality of pressing mechanisms distributed in the annular array are arranged at the contact position of the inner ring of the sealing ring 6 and the shaft sleeve 4, so that uniform pressing can be provided for the periphery of the inner ring of the sealing ring 6, the sealing effect of the inner ring of the sealing ring 6 on the position of the shaft sleeve 4 is improved, and the overall sealing performance is good.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a pump body that leakproofness is better, its characterized in that: comprises a shell (1) of the pump body and a main shaft (3) of the pump body;
the shell (1) is provided with a mounting hole (2), the main shaft (3) is provided with a shaft sleeve (4), and the shaft sleeve (4) penetrates through the mounting hole (2);
a circular ring groove (5) is formed in the hole wall of the mounting hole (2), and a plurality of sealing rings (6) are filled in the circular ring groove (5);
the periphery of the outer ring of the sealing ring (6) is provided with a plurality of compressing mechanisms distributed in an annular array, and the compressing mechanisms are in compressing contact with the inner ring of the sealing ring (6).
2. The pump body with good sealing performance according to claim 1, wherein: the compression mechanism comprises a screw rod (9) and a jack formed in one end of the screw rod (9), the jack is connected with an inserting rod (12) in a clearance fit mode, a compression column (11) is fixedly arranged at one end, far away from the screw rod (9), of the inserting rod (12), the compression column (11) compresses an inner ring of the sealing ring (6), a spring (13) is arranged in the jack, and the inserting rod (12) is elastically connected with the screw rod (9) through the spring (13).
3. The pump body with good sealing performance according to claim 2, wherein: one end of the pressing column (11) far away from the inserted link (12) is of a spherical structure.
4. The pump body with good sealing performance according to claim 1, wherein: a plurality of groove bodies (7) distributed in an annular array are formed in the periphery of the outer ring of the sealing ring (6).
5. The pump body with good sealing performance according to claim 2, wherein: the screw rod (9) is in threaded connection with a threaded hole (8) formed in the shell (1), and the threaded hole (8) is communicated with the mounting hole (2).
6. The pump body with good sealing performance according to claim 2, wherein: one end of the screw rod (9) far away from the inserted link (12) is fixedly connected with a sealing plate (10), and the sealing plate (10) covers one end of the closed threaded hole (8) far away from the mounting hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554295.8U CN220134265U (en) | 2023-06-17 | 2023-06-17 | Pump body with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554295.8U CN220134265U (en) | 2023-06-17 | 2023-06-17 | Pump body with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134265U true CN220134265U (en) | 2023-12-05 |
Family
ID=88954971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321554295.8U Active CN220134265U (en) | 2023-06-17 | 2023-06-17 | Pump body with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134265U (en) |
-
2023
- 2023-06-17 CN CN202321554295.8U patent/CN220134265U/en active Active
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| GR01 | Patent grant | ||
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