CN220487841U - Anti-abrasion part plunger sleeve - Google Patents
Anti-abrasion part plunger sleeve Download PDFInfo
- Publication number
- CN220487841U CN220487841U CN202322221936.4U CN202322221936U CN220487841U CN 220487841 U CN220487841 U CN 220487841U CN 202322221936 U CN202322221936 U CN 202322221936U CN 220487841 U CN220487841 U CN 220487841U
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- CN
- China
- Prior art keywords
- plunger
- shell
- lower shell
- upper shell
- sleeve
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- 238000005299 abrasion Methods 0.000 title description 7
- 230000000670 limiting effect Effects 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model provides an abrasion-proof part plunger sleeve, which relates to the technical field of plunger protection and comprises a lower shell sleeve; the top of the lower shell is connected with an upper shell, and a rubber sealing ring is arranged at the connection part of the lower shell and the upper shell; positioning columns are respectively connected to two ends of the upper shell, and the positioning columns are connected with the lower shell; the movable limiting sleeve is sleeved outside the lower shell and connected with the upper shell; a lower spring is arranged in the bottom of the lower shell, and an upper spring is arranged in the top of the upper shell; the plunger is positioned in the lower shell, and the plunger top is positioned in the upper shell. According to the utility model, the connecting part of the lower shell and the upper shell is sealed through the rubber sealing ring, so that plunger corrosion caused by water flow entering the inside is avoided, the subsequent assembly and use of the plunger are influenced, and the plunger is protected through the lower shell and the upper shell, and the plunger is prevented from being worn in the transportation and storage process.
Description
Technical Field
The utility model belongs to the technical field of plunger protection, and particularly relates to a plunger sleeve of an anti-abrasion part.
Background
The plunger pump is an important device of a hydraulic system, and the plunger is used as one of core components of the plunger pump and needs to be stored and protected by using a plunger sleeve by means of reciprocating motion of the plunger in a cylinder body to change the volume of a sealed working cavity so as to realize oil absorption and pressure oil.
When the existing similar plunger sleeve is used, the protection effect on the internal plunger is poor, abrasion phenomenon of the plunger is extremely easy to occur, subsequent assembly and use of the plunger are affected, the plunger sleeve lacks of effective sealing, moisture is easy to enter the internal portion, and the occurrence of the rust condition of the plunger is caused.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the anti-abrasion part plunger sleeve, so that the problems that when the existing similar plunger sleeve is used, the protection effect on an internal plunger is poor, the abrasion phenomenon of the plunger is easily caused, the subsequent assembly and use of the plunger are affected, the plunger sleeve is lack of effective sealing, and moisture is easily caused to enter the interior, so that the rust condition of the plunger is caused are solved.
The utility model discloses a purpose and an effect of a wear-resistant part plunger sleeve, which are achieved by the following specific technical means:
an anti-abrasion part plunger sleeve comprises a lower shell sleeve; the top of the lower shell is connected with an upper shell, and a rubber sealing ring is arranged at the connection part of the lower shell and the upper shell; positioning columns are respectively connected to two ends of the upper shell, and the positioning columns are connected with the lower shell; the movable limiting sleeve is sleeved outside the lower shell and connected with the upper shell; a lower spring is arranged in the bottom of the lower shell, and an upper spring is arranged in the top of the upper shell; the plunger is positioned in the lower shell, and the plunger top is positioned in the upper shell.
Further, the top end of the lower shell is inserted into the bottom of the upper shell, the top side and the outer side of the rubber sealing ring are contacted with the upper shell, the bottom side of the rubber sealing ring is contacted with the lower shell, and the inner side of the rubber sealing ring is contacted with the plunger.
Further, limiting holes are respectively formed in two ends of the bottom of the upper shell, limiting grooves are respectively formed in two sides of the top of the lower shell, and the limiting grooves formed in the lower shell are communicated with the limiting holes formed in the upper shell.
Further, the locating column is inserted into the limit hole and the limit groove in a communicating state in a sliding manner.
Further, the length of the positioning column is the sum of the depths of the limiting holes and the limiting grooves, and one end of the positioning column is flush with the outer side of the upper shell.
Further, the movable limiting sleeve is connected to the outer side of the lower shell in a sliding mode, and the inner side of the movable limiting sleeve is in sliding contact with the outer side of the upper shell.
Further, the inner side of the movable limiting sleeve is contacted with one end of the positioning column.
Further, an outer spring is sleeved outside the lower shell, the top of the outer spring is contacted with the bottom of the movable limiting sleeve, a stress ring is arranged outside the lower shell, and the stress ring is contacted with the bottom of the outer spring.
Further, the outer side of the plunger is respectively contacted with the inner sides of the lower shell and the upper shell, the bottom of the lower spring is fixedly connected with the innermost end of the lower shell, and the top of the lower spring is contacted with the bottom of the plunger.
Further, the top of the upper spring is fixedly connected with the innermost end of the upper shell, and the bottom of the upper spring is contacted with the top of the plunger.
The beneficial effects are that:
1. the arrangement of the lower shell, the upper shell and the rubber sealing ring is beneficial to the tight fit between the rubber sealing ring and the lower shell and the upper shell respectively when the top end of the lower shell is inserted into the bottom of the upper shell, the connection part of the lower shell and the upper shell is sealed by the rubber sealing ring, the plunger corrosion caused by water flow entering the inside is avoided, the subsequent assembly and use of the plunger are influenced, and the plunger is protected by the lower shell and the upper shell, so that the plunger is prevented from being worn in the transportation and storage process; and cooperate the setting of locating column, peg graft in last shell bottom back down shell top, the spacing groove is linked together with spacing hole, peg graft the locating column in the spacing hole and the spacing inslot of communication state in the slip, fix down shell and last shell junction portion through the locating column, ensure the compactness of laminating down between shell, last shell and the rubber seal.
2. The movable limiting sleeve and the outer spring are arranged, so that when the positioning column is slidably inserted into the limiting hole and the limiting groove in the communicated state, the movable limiting sleeve is influenced by the thrust of the outer spring to move upwards, the inner side of the movable limiting sleeve is in contact with the positioning column, the limiting effect on the positioning column is achieved, the positioning column is prevented from being separated from the limiting hole and the limiting groove, the fixing effect of the positioning column on the connecting part of the lower shell and the upper shell is ensured, when the inner plunger is required to be taken out, the movable limiting sleeve is moved reversely, the outer spring is contracted, the movable limiting sleeve is separated from the positioning column, the positioning column is separated from the limiting hole and the limiting groove, the lower shell can be separated from the upper shell, the inner plunger is taken out, and the operation is simple and convenient; and the setting of spring and last spring under the cooperation, when the plunger is located down shell and last shell, both ends contact with spring and lower spring down respectively about the plunger, play the fixed effect of plunger centre gripping, when both ends receive the bump, accessible spring and lower spring are let out the power buffering to plunger both ends down, guarantee plunger protection effect.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the overall axial side structure of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the split structure of the lower shell and the upper shell of the present utility model;
fig. 4 is a schematic diagram of the axial structure of the movable limiting sleeve of the utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a lower shell; 101. a limit groove; 102. a stress ring; 2. an upper shell; 201. a limiting hole; 3. a rubber seal ring; 4. positioning columns; 5. a movable limit sleeve; 6. an outer spring; 7. a lower spring; 8. a spring is arranged; 9. and a plunger.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one: as shown in fig. 1 to 4:
the utility model provides an abrasion-proof part plunger sleeve, which comprises a lower shell sleeve 1 and a plunger 9; the top of the lower shell 1 is connected with an upper shell 2, and a rubber sealing ring 3 is arranged at the connection part of the lower shell 1 and the upper shell 2; the top end of the lower shell 1 is inserted into the bottom of the upper shell 2, the top side and the outer side of the rubber sealing ring 3 are in contact with the upper shell 2, the bottom side of the rubber sealing ring 3 is in contact with the lower shell 1, the inner side of the rubber sealing ring 3 is in contact with the plunger 9, when the top end of the lower shell 1 is inserted into the bottom of the upper shell 2, the rubber sealing ring 3 is respectively tightly attached to the lower shell 1 and the upper shell 2, the connecting part of the lower shell 1 and the upper shell 2 is sealed through the rubber sealing ring 3, water flow is prevented from entering the inside to cause rust of the plunger 9, the subsequent assembly and use of the plunger 9 are influenced, and the plunger 9 is protected through the lower shell 1 and the upper shell 2, so that the plunger 9 is prevented from being worn in the transportation and storage process; the two ends of the upper shell 2 are respectively connected with a positioning column 4, and the positioning columns 4 are connected with the lower shell 1; the two ends of the bottom of the upper shell 2 are respectively provided with a limiting hole 201, two sides of the top of the lower shell 1 are respectively provided with a limiting groove 101, the limiting groove 101 arranged on the lower shell 1 is communicated with the limiting hole 201 arranged on the upper shell 2, and the positioning column 4 is in sliding insertion connection with the limiting hole 201 and the limiting groove 101 in a communicated state; the length of the positioning column 4 is the sum of the depths of the limiting hole 201 and the limiting groove 101, one end of the positioning column 4 is flush with the outer side of the upper shell 2, after the top end of the lower shell 1 is inserted into the bottom of the upper shell 2, the limiting groove 101 is communicated with the limiting hole 201, the positioning column 4 is inserted into the limiting hole 201 and the limiting groove 101 in a communicating state in a sliding manner, the connecting part of the lower shell 1 and the upper shell 2 is fixed through the positioning column 4, and the bonding tightness among the lower shell 1, the upper shell 2 and the rubber sealing ring 3 is ensured; the lower shell 1 is externally sleeved with a movable limit sleeve 5, and the movable limit sleeve 5 is connected with the upper shell 2; a lower spring 7 is arranged in the bottom of the lower shell 1, and an upper spring 8 is arranged in the top of the upper shell 2; the plunger 9 is located in the lower shell 1 and the top end of the plunger 9 is located in the upper shell 2.
The movable limiting sleeve 5 is connected to the outer side of the lower shell 1 in a sliding manner, the inner side of the movable limiting sleeve 5 is in sliding contact with the outer side of the upper shell 2, the inner side of the movable limiting sleeve 5 is in contact with one end of the positioning column 4, the outer spring 6 is sleeved outside the lower shell 1, the top of the outer spring 6 is in contact with the bottom of the movable limiting sleeve 5, the outer side of the lower shell 1 is provided with a stress ring 102, and the stress ring 102 is in contact with the bottom of the outer spring 6; by adopting the technical scheme, after the locating column 4 is slidingly inserted into the limit hole 201 and the limit groove 101 in the communicating state, the movable limit sleeve 5 is influenced by the thrust of the outer spring 6 to move upwards, so that the inner side of the movable limit sleeve 5 is contacted with the locating column 4, the limit effect on the locating column 4 is achieved, the locating column 4 is prevented from being separated from the limit hole 201 and the limit groove 101, the fixing effect of the connecting part of the lower shell 1 and the upper shell 2 by the locating column 4 is ensured, when the inner plunger 9 needs to be taken out, the movable limit sleeve 5 is reversely moved, the outer spring 6 is contracted, the movable limit sleeve 5 is separated from the locating column 4, the locating column 4 is separated from the limit hole 201 and the limit groove 101, the lower shell 1 can be separated from the upper shell 2, the inner plunger 9 is taken out, and the operation is simple.
Embodiment two: the outer side of the plunger 9 is respectively contacted with the inner sides of the lower shell 1 and the upper shell 2, the bottom of the lower spring 7 is fixedly connected with the innermost end of the lower shell 1, the top of the lower spring 7 is contacted with the bottom of the plunger 9, the top of the upper spring 8 is fixedly connected with the innermost end of the upper shell 2, and the bottom of the upper spring 8 is contacted with the top of the plunger 9; by adopting the technical scheme, when the plunger 9 is positioned in the lower shell 1 and the upper shell 2, the upper end and the lower end of the plunger 9 are respectively contacted with the lower spring 7 and the lower spring 7, so that the effect of clamping and fixing the plunger 9 is achieved, and when the two ends are knocked, the force release buffering is carried out on the two ends of the plunger 9 through the lower spring 7 and the lower spring 7, so that the protection effect of the plunger 9 is ensured.
Specific use and action of the embodiment:
when the utility model is used, the plunger 9 is positioned in the lower shell 1, the top end of the plunger 9 is positioned in the upper shell 2, when the top end of the lower shell 1 is inserted into the bottom of the upper shell 2, the rubber sealing ring 3 is respectively tightly attached to the lower shell 1 and the upper shell 2, the connecting part of the lower shell 1 and the upper shell 2 is sealed by the rubber sealing ring 3, and the plunger 9 is protected by the lower shell 1 and the upper shell 2, so that the plunger 9 is prevented from being worn in the transportation and storage process; the limiting groove 101 is communicated with the limiting hole 201, the positioning column 4 is inserted into the limiting hole 201 and the limiting groove 101 in a communicating state in a sliding manner, the connecting part of the lower shell 1 and the upper shell 2 is fixed through the positioning column 4, and the bonding tightness among the lower shell 1, the upper shell 2 and the rubber sealing ring 3 is ensured; after the positioning column 4 is inserted into the limiting hole 201 and the limiting groove 101 in the communicating state in a sliding manner, the movable limiting sleeve 5 moves upwards under the influence of the thrust of the outer spring 6, so that the inner side of the movable limiting sleeve 5 is contacted with the positioning column 4, the limiting effect on the positioning column 4 is achieved, and the positioning column 4 is prevented from being separated from the limiting hole 201 and the limiting groove 101; the upper end and the lower end of the plunger 9 are respectively contacted with the lower spring 7 and the lower spring 7, so that the effect of clamping and fixing the plunger 9 is achieved, and when the two ends are knocked, the two ends of the plunger 9 can be subjected to force release buffering through the lower spring 7 and the lower spring 7; when the inner plunger 9 needs to be taken out, the movable limiting sleeve 5 is moved reversely, the outer spring 6 is contracted, the movable limiting sleeve 5 is separated from the positioning column 4, the positioning column 4 is separated from the limiting hole 201 and the limiting groove 101, the lower shell 1 can be separated from the upper shell 2, the inner plunger 9 is taken out, and the operation is simple and convenient.
Claims (10)
1. The utility model provides an abrasionproof decreases spare part plunger sleeve which characterized in that: comprises a lower shell (1); an upper shell (2) is connected to the top of the lower shell (1), and a rubber sealing ring (3) is arranged at the connection part of the lower shell (1) and the upper shell (2); positioning columns (4) are respectively connected to two ends of the upper shell (2), and the positioning columns (4) are connected with the lower shell (1); the lower shell (1) is externally sleeved with a movable limiting sleeve (5), and the movable limiting sleeve (5) is connected with the upper shell (2); a lower spring (7) is arranged in the bottom of the lower shell (1), and an upper spring (8) is arranged in the top of the upper shell (2); the plunger (9) is positioned in the lower shell (1), and the top end of the plunger (9) is positioned in the upper shell (2).
2. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the top end of the lower shell (1) is inserted into the bottom of the upper shell (2), the top side and the outer side of the rubber sealing ring (3) are in contact with the upper shell (2), the bottom side of the rubber sealing ring (3) is in contact with the lower shell (1), and the inner side of the rubber sealing ring (3) is in contact with the plunger (9).
3. The wear resistant component plunger sleeve as set forth in claim 1 wherein: limiting holes (201) are formed in two ends of the bottom of the upper shell (2), limiting grooves (101) are formed in two sides of the top of the lower shell (1), and the limiting grooves (101) formed in the lower shell (1) are communicated with the limiting holes (201) formed in the upper shell (2).
4. The wear resistant component plunger sleeve as set forth in claim 3 wherein: the positioning column (4) is inserted into the limit hole (201) and the limit groove (101) in a communicating state in a sliding manner.
5. The wear resistant component plunger sleeve as set forth in claim 3 wherein: the length of the positioning column (4) is the sum of the depths of the limiting hole (201) and the limiting groove (101), and one end of the positioning column (4) is flush with the outer side of the upper shell sleeve (2).
6. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the movable limiting sleeve (5) is connected to the outer side of the lower shell (1) in a sliding mode, and the inner side of the movable limiting sleeve (5) is in sliding contact with the outer side of the upper shell (2).
7. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the inner side of the movable limiting sleeve (5) is contacted with one end of the positioning column (4).
8. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the outer spring (6) is sleeved outside the lower shell (1), the top of the outer spring (6) is contacted with the bottom of the movable limiting sleeve (5), a stress ring (102) is arranged outside the lower shell (1), and the stress ring (102) is contacted with the bottom of the outer spring (6).
9. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the outer side of the plunger (9) is respectively contacted with the inner sides of the lower shell (1) and the upper shell (2), the bottom of the lower spring (7) is fixedly connected with the innermost end of the lower shell (1), and the top of the lower spring (7) is contacted with the bottom of the plunger (9).
10. The wear resistant component plunger sleeve as set forth in claim 1 wherein: the top of the upper spring (8) is fixedly connected with the innermost end of the upper shell (2), and the bottom of the upper spring (8) is contacted with the top of the plunger (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221936.4U CN220487841U (en) | 2023-08-18 | 2023-08-18 | Anti-abrasion part plunger sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221936.4U CN220487841U (en) | 2023-08-18 | 2023-08-18 | Anti-abrasion part plunger sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487841U true CN220487841U (en) | 2024-02-13 |
Family
ID=89830210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322221936.4U Active CN220487841U (en) | 2023-08-18 | 2023-08-18 | Anti-abrasion part plunger sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487841U (en) |
-
2023
- 2023-08-18 CN CN202322221936.4U patent/CN220487841U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |