CN220910123U - Cylinder piston structure and cylinder - Google Patents
Cylinder piston structure and cylinder Download PDFInfo
- Publication number
- CN220910123U CN220910123U CN202322521092.5U CN202322521092U CN220910123U CN 220910123 U CN220910123 U CN 220910123U CN 202322521092 U CN202322521092 U CN 202322521092U CN 220910123 U CN220910123 U CN 220910123U
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- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides a cylinder piston structure and a cylinder; the cylinder piston structure comprises a supporting plate, a first mounting plate and a second mounting plate are sequentially and detachably fixed on two sides of the supporting plate, a blocking edge is arranged on one side, away from the supporting plate, of the first mounting plate and the second mounting plate, sealing rings are sleeved on the outer sides of the first mounting plate and the second mounting plate between the blocking edge and the supporting plate, a piston rod is inserted in the middle of the supporting plate along the axial direction of the supporting plate, and a fixing piece is detachably and fixedly arranged at one end of the piston rod; in the utility model, the sealing ring can be sleeved outside the first mounting plate and the second mounting plate with smaller deformation, so that permanent deformation is avoided during mounting, and tightness of sealing is ensured.
Description
Technical Field
The utility model belongs to the technical field of air cylinders, and particularly relates to an air cylinder piston structure and an air cylinder.
Background
The cylinder is a cylindrical metal part which guides the piston to perform linear reciprocating motion in the cylinder. In order to ensure the sealing performance between the piston and the cylinder body, a sealing ring needs to be sleeved on the outer side of the piston.
In the prior art, a ring groove is usually formed on the outer side of a piston, a sealing ring is assembled in the ring groove, for example, the Chinese patent publication No. CN219299671U discloses a cylinder piston rod assembly, in the process of assembling the sealing ring, the sealing ring is required to be pulled to generate elastic deformation to be sleeved in the ring groove, and then the elastic deformation is recovered, namely, the sealing ring is sleeved in the ring groove. In the process of pulling to elastically deform the sealing ring, the sealing ring is easy to cause permanent deformation locally, so that the sealing performance is affected.
Therefore, it is necessary to design a cylinder piston structure and a cylinder capable of reducing deformation of the sealing ring during installation, avoiding permanent deformation during installation, and ensuring tightness of the sealing so as to solve the technical problems faced at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the cylinder piston structure and the cylinder which can reduce the deformation amount of the sealing ring during installation, avoid permanent deformation during installation and ensure tightness of sealing.
The technical scheme of the utility model is as follows: the cylinder piston structure comprises a supporting plate, a first mounting plate and a second mounting plate are arranged on two sides of the supporting plate in a detachable and fixed mode in sequence, a blocking edge is arranged on one side, away from the supporting plate, of the first mounting plate and the second mounting plate, a sealing ring is sleeved outside the first mounting plate and the second mounting plate between the blocking edge and the supporting plate, a piston rod is inserted in the middle of the supporting plate along the axial direction of the middle of the supporting plate, and a fixing piece is arranged at one end of the piston rod in a detachable and fixed mode.
The support plate is uniformly provided with internal thread holes, through holes corresponding to the internal thread holes are formed in the first mounting plate and the second mounting plate, and connecting bolts used for detachably and fixedly connecting the first mounting plate and the second mounting plate with the support plate are arranged in the through holes.
The positioning convex rings are fixedly arranged on the outer sides of the through holes on the first mounting plate and the second mounting plate, which are close to one side of the supporting plate, and positioning grooves matched with the positioning convex rings are formed on the outer sides of the through holes on the first mounting plate, which are away from one side of the supporting plate, and the outer sides of the internal threaded holes on the supporting plate, which are close to one side of the first mounting plate.
An embedded groove is formed in the second mounting plate, which is away from one side of the first mounting plate, on the outer side of the through hole, and the embedded groove is matched with the end part of the connecting bolt.
The outside of piston rod is fixed and is provided with location section, the middle part of first mounting panel, second mounting panel all be provided with location section assorted locating hole.
One end of the piston rod is provided with a threaded section, and the fixing piece is fixedly provided with an internal threaded pipe matched with the threaded section.
Six edge blocks are fixedly arranged on the outer side of the inner threaded pipe.
A cylinder having a cylinder piston structure as claimed in any one of the preceding claims.
The utility model has the beneficial effects that: according to the utility model, the sealing ring is sleeved outside the first mounting plate and the second mounting plate, the blocking edges are arranged on one sides of the first mounting plate and the second mounting plate, the sealing ring outside the second mounting plate can be limited between the blocking edges outside the first mounting plate and the second mounting plate, the sealing ring outside the first mounting plate can be limited between the blocking edges outside the first mounting plate and the supporting plate, and when the sealing ring is mounted, the sealing ring can be sleeved outside the first mounting plate and the second mounting plate with smaller deformation, so that permanent deformation is avoided during mounting, and sealing tightness is ensured.
Drawings
Fig. 1 is a schematic structural view of a cylinder piston structure in the present utility model.
Fig. 2 is a schematic diagram of an explosion structure of a cylinder piston structure in the present utility model.
FIG. 3 is a schematic diagram of a cylinder piston structure according to the second embodiment of the present utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 3, the cylinder piston structure comprises a support plate 1, wherein a first mounting plate 2 and a second mounting plate 3 are respectively and detachably and fixedly arranged on two sides of the support plate 1 in sequence, a blocking edge 23 is arranged on one side, away from the support plate 1, of the first mounting plate 2 and the second mounting plate 3, a sealing ring 7 is sleeved on the outer sides of the first mounting plate 2 and the second mounting plate 3 between the blocking edge 23 and the support plate 1, a piston rod 4 is inserted in the middle of the support plate 1 along the axial direction of the support plate, and a fixing piece 6 is detachably and fixedly arranged at one end of the piston rod 4; in this embodiment, sealing washer 7 suit is in the outside of first mounting panel 2, second mounting panel 3, one side of first mounting panel 2, second mounting panel 3 is provided with keeps off along 23, can carry out spacingly to the sealing washer 7 in the outside of second mounting panel 3 between the fender along 23 in the outside of first mounting panel 2, the fender along 23 in the outside of first mounting panel 2 can carry out spacingly to the sealing washer 7 in the outside of first mounting panel 2 between backup pad 1, sealing washer 7 when the installation, the sealing washer takes place less deformation volume can the suit in the outside of first mounting panel 2, second mounting panel 3, avoid it to produce permanent deformation when the installation, guarantee sealed tightness.
In some embodiments, the support plate 1 is uniformly provided with internal threaded holes 12, the first mounting plate 2 and the second mounting plate 3 are respectively provided with a through hole 24 corresponding to the internal threaded holes 12, a connecting bolt 5 for detachably and fixedly connecting the first mounting plate 2, the second mounting plate 3 and the support plate 1 is arranged in the through holes 24, the connecting bolt 5 penetrates through the through holes 24 of the first mounting plate 2 and the second mounting plate 3, the end parts of the connecting bolts 5 are in threaded connection with the internal threaded holes 12 of the support plate 1, and the first mounting plate 2 and the second mounting plate 3 are locked and fixed on the side surface of the support plate 1; the first mounting plate 2 and the second mounting plate 3 can be detached from the side surface of the supporting plate 1 by detaching the connecting bolts 5.
In some embodiments, the positioning convex rings 22 are fixedly arranged on the outer sides of the through holes 24 on the first mounting plate 2 and the second mounting plate 3, which are close to the side of the supporting plate 1, and the positioning grooves 11 matched with the positioning convex rings 22 are formed on the outer sides of the through holes 24 on the side, which is away from the supporting plate 1, of the first mounting plate 2 and the outer sides of the internal threaded holes 12 on the side, which is close to the first mounting plate 2, of the supporting plate 1, and the positioning grooves 11 are matched with each other through the positioning convex rings 22, so that the matched positioning between the first mounting plate 2 and the supporting plate 1 and the matched positioning between the second mounting plate 3 and the first mounting plate 2 are realized.
In some embodiments, the embedding groove 25 is formed in the outer side of the through hole 24 on the side, away from the first mounting plate 2, of the second mounting plate 3, the embedding groove 25 is matched with the end portion of the connecting bolt 5, and when the connecting bolt 5 is assembled in place, the connecting bolt 5 is embedded into the embedding groove 25, so that the side surface of the second mounting plate 3 is smooth.
In some embodiments, the outer side of the piston rod 4 is fixedly provided with a positioning section 41, the middle parts of the first mounting plate 2 and the second mounting plate 3 are respectively provided with a positioning hole 21 matched with the positioning section 41, the positioning section 41 and the piston rod 4 are of an integrated structure, and the first mounting plate 2, the second mounting plate 3 and the piston rod 4 are in matched connection through the matching of the positioning section 41 and the positioning holes 21.
In some embodiments, one end of the piston rod 4 is provided with a threaded section 42, the fixing piece 6 is fixedly provided with an internal threaded tube 61 matched with the threaded section 42, and the fixing piece 6 is in threaded connection with the threaded section 42 through the internal threaded tube 61 in a matched manner, so that the detachable fixed connection between the piston rod 4 and the support plate 1 is realized.
In some embodiments, the outer side of the internal thread tube 61 is fixedly provided with a hexagonal block 62, and the hexagonal block 62 is convenient to clamp by a wrench, so that the assembly convenience is improved.
In some embodiments, a cylinder is disclosed having a cylinder piston structure as in any of the embodiments above.
Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. A cylinder piston structure, characterized in that: including the backup pad, the fixed first mounting panel and the second mounting panel of being provided with can be dismantled in proper order to the both sides of backup pad, deviate from on first mounting panel, the second mounting panel one side of backup pad is provided with keeps off the edge, keep off the edge with between the backup pad first mounting panel, the outside cover of second mounting panel are equipped with the sealing washer, the piston rod is inserted along its axial in the middle part of backup pad, the fixed mounting that is provided with can be dismantled to the one end of piston rod.
2. The cylinder-piston structure according to claim 1, characterized in that: the support plate is uniformly provided with internal thread holes, through holes corresponding to the internal thread holes are formed in the first mounting plate and the second mounting plate, and connecting bolts used for detachably and fixedly connecting the first mounting plate and the second mounting plate with the support plate are arranged in the through holes.
3. The cylinder-piston structure according to claim 2, characterized in that: the positioning convex rings are fixedly arranged on the outer sides of the through holes on the first mounting plate and the second mounting plate, which are close to one side of the supporting plate, and positioning grooves matched with the positioning convex rings are formed on the outer sides of the through holes on the first mounting plate, which are away from one side of the supporting plate, and the outer sides of the internal threaded holes on the supporting plate, which are close to one side of the first mounting plate.
4. The cylinder-piston structure according to claim 2, characterized in that: an embedded groove is formed in the second mounting plate, which is away from one side of the first mounting plate, on the outer side of the through hole, and the embedded groove is matched with the end part of the connecting bolt.
5. The cylinder-piston structure according to claim 1, characterized in that: the outside of piston rod is fixed and is provided with location section, the middle part of first mounting panel, second mounting panel all be provided with location section assorted locating hole.
6. The cylinder-piston structure according to claim 1, characterized in that: one end of the piston rod is provided with a threaded section, and the fixing piece is fixedly provided with an internal threaded pipe matched with the threaded section.
7. The cylinder-piston structure as set forth in claim 6, wherein: six edge blocks are fixedly arranged on the outer side of the inner threaded pipe.
8. A cylinder, characterized in that: a cylinder piston structure as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521092.5U CN220910123U (en) | 2023-09-18 | 2023-09-18 | Cylinder piston structure and cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521092.5U CN220910123U (en) | 2023-09-18 | 2023-09-18 | Cylinder piston structure and cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910123U true CN220910123U (en) | 2024-05-07 |
Family
ID=90910883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322521092.5U Active CN220910123U (en) | 2023-09-18 | 2023-09-18 | Cylinder piston structure and cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910123U (en) |
-
2023
- 2023-09-18 CN CN202322521092.5U patent/CN220910123U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |