CN218093409U - Piston rod and semicircular ring connecting structure - Google Patents
Piston rod and semicircular ring connecting structure Download PDFInfo
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- CN218093409U CN218093409U CN202221785143.4U CN202221785143U CN218093409U CN 218093409 U CN218093409 U CN 218093409U CN 202221785143 U CN202221785143 U CN 202221785143U CN 218093409 U CN218093409 U CN 218093409U
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- piston
- ring
- piston rod
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- connecting structure
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Abstract
The utility model provides a piston rod and semicircle ring connection structure relates to piston structure technical field. The structure comprises a piston rod, a semicircular ring, a piston ring and a piston sleeve, wherein 2 limiting grooves are formed in the piston rod, the semicircular ring is clamped in the limiting grooves, and the piston ring and the piston sleeve are fixed on the piston rod in a limiting mode through the semicircular ring respectively. The structure can be used for a single-acting piston rod structure or a double-acting piston rod structure, and a piston ring and a piston sleeve are connected through threads in the single-acting piston rod structure; the piston ring of the double-acting piston rod is clamped between the two limiting grooves, the semicircular ring is further provided with threads, and the piston sleeve is connected with the semicircular ring through the threads. The structure of the piston rod is simplified, the connection strength of the piston on the piston rod is guaranteed, large pulling force can be transmitted, the fatigue problem in the working process is reduced, and the service life of the piston rod is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the piston structure technique and specifically relates to a piston rod and semicircle ring connection structure.
Background
The compressor structure is divided into a single-action compressor and a double-action compressor according to the matching mode of a compression medium and a piston when the compression medium is used, the single-action compressor is compressed by the compression medium on one side of the piston, the piston reciprocates for one stroke, and air suction and air exhaust are carried out once respectively; the compressed medium of the double-acting compressor is compressed in the cylinders at two sides of the piston in turn, and the piston reciprocates one stroke, and sucks and exhausts twice respectively. The double-acting compressor has a larger suction capacity than the single-acting compressor, but has a complicated structure. The compression cylinder adopts single-stage compression, and the required compression pressure is large. The whole process of one-time reciprocation of the piston in the cylinder is divided into air suction, compression and air exhaust, and is called a working process, and the motion of the piston rod in the working process is driven by a hydraulic cylinder and a hydraulic system.
In the prior art, the piston rod structure is provided with a complex structure for bearing larger compression pressure, so that the manufacturing and the installation are complicated, and more fault points exist, so that the existing piston structure needs to be further improved.
SUMMERY OF THE UTILITY MODEL
In order to simplify the structure of piston rod, guarantee the joint strength of piston on the piston rod, the utility model provides a piston rod and semicircle ring connection structure, concrete technical scheme as follows.
The utility model provides a piston rod semicircle ring connection structure, includes piston rod, semicircle ring, piston ring and piston bush, be provided with 2 spacing grooves on the piston rod, the semicircle ring block is at the spacing inslot, piston ring and piston bush are spacing to be fixed on the piston rod through the semicircle ring respectively.
Preferably, the 2 semicircular rings are clamped in the limiting groove, and the outer diameter of each semicircular ring is larger than that of the piston rod.
A single-acting piston rod structure is provided with the piston rod semi-circular ring connecting structure, and a piston ring is fixedly connected with a piston sleeve.
It is also preferable that the piston sleeve is L-shaped in cross section, and the diameter of the inner ring of the piston sleeve is equal to the outer diameter of the semicircular ring.
Still preferably, the piston ring is fixed between two spacing grooves with piston rod laminating portion, and the connecting portion of piston ring and piston bush is provided with connecting thread.
A double-acting piston rod structure is provided with the piston rod semicircular ring connecting structure, a piston ring is clamped between two limiting grooves, and the semicircular ring is fixedly connected with a piston sleeve.
Further preferably, the piston sleeve is provided with 2 semicircular rings respectively connected with the two limiting grooves.
Further preferably, the connection parts of the semicircular ring and the piston sleeve are provided with connection threads, and the cross section of the piston sleeve is L-shaped.
Further preferably, the stopper groove is provided in the middle of the piston rod, and the connecting portion of the semicircular ring extends toward the end of the piston rod.
More preferably, the outer diameter of the piston ring is equal to or less than the outer diameter of the piston sleeve.
The utility model has the advantages that the piston rod and semi-circle ring connecting structure only comprises a piston rod, a semi-circle ring, a piston ring and a piston sleeve part, thereby greatly simplifying the piston rod structure with larger stress; the setting of semicircle ring has guaranteed the joint strength of piston on the piston rod to made things convenient for the installation, the fatigue problem in the piston working process can also be reduced to this structure, and then has prolonged the life of piston.
Drawings
FIG. 1 is a schematic view of a single-acting piston rod;
FIG. 2 is an exploded view of a single-acting piston rod;
FIG. 3 is a schematic structural view of a double acting piston rod;
FIG. 4 is an exploded view of a double acting piston rod;
in the figure: 1-piston rod, 2-piston ring, 3-piston sleeve, 4-semicircular ring and 5-limit groove.
Detailed Description
A specific embodiment of a piston rod and a half-ring connecting structure according to the present invention will be described with reference to fig. 1 to 4.
The utility model provides a piston rod semicircle ring connection structure, includes piston rod 1, semicircle ring 4, piston ring 2 and piston bush 3, and the piston rod structure is arranged in the compression cylinder, and piston ring and piston bush have the function of piston, and the semicircle ring is easy to assemble to spacing piston that can be better. Be provided with 2 spacing grooves on the piston rod 1 for the installation fixed piston, the spacing groove processing on the piston rod 1 is simple relatively, and 4 blocks of semicircle ring are at the spacing inslot, and its cooperation mode is the cooperation of pegging graft, and piston ring 2 and piston housing 3 are spacing fixed on the piston rod through the semicircle ring respectively, 4 spacing fixed piston rings of semicircle ring and piston housing structure.
Wherein 2 semicircle rings of block in the spacing groove 5, semicircle ring 4 structure comprises two semicircular ring bodies, and the external diameter of semicircle ring 4 is greater than the external diameter of piston rod, and the width of semicircle ring 4 equals with the width of spacing groove, and the spacing groove is with semicircle ring card inslot, and two semicircle rings 4 are pieced together the whole ring and are fixed on the piston rod.
A single-acting piston rod structure is provided with the piston rod semicircular ring connecting structure and can only consist of a piston rod 1, a semicircular ring 4, a piston ring 2 and a piston sleeve 3, wherein the piston ring 2 and the piston sleeve 3 are fixedly connected in a manner of connection such as threaded connection, bolt connection, bonding, welding, interference fit and the like. The section of the piston sleeve 3 is L-shaped, so that the piston sleeve is conveniently matched with a piston ring, and the diameter of the inner ring of the piston sleeve 3 is equal to the outer diameter of the semicircular ring. The piston ring 2 is fixed between two spacing grooves with 1 laminating portion of piston rod, and a part of piston ring 2 directly overlaps and is established on the piston rod 1 and block between two semicircle loop structures promptly, and the connecting portion of piston ring 2 and piston bush 3 is provided with connecting thread.
When the single-acting piston rod 1 structure is installed, the two semicircular rings on the right side are clamped in the limiting groove of the piston rod 1 to serve as the positioning side of the piston ring 2, the piston ring 2 is guided into the middle of the piston rod, the other two semicircular rings are clamped in the limiting groove, the piston sleeve is installed and fixed, and the assembly of the piston rod 1 structure is completed.
A double-acting piston rod structure is provided with the piston rod semi-circular ring connecting structure and can only consist of a piston rod 1, a semi-circular ring 4, piston rings 2 and piston sleeves 3, wherein the number of the piston sleeves 3 is 2, and the piston sleeves are respectively arranged on two sides of the piston structure. The piston ring block is between two spacing grooves, and piston ring 2 and piston rod 1 mutually support, and semicircle ring 4 and piston housing 3 fixed connection, fixed mode include connected modes such as threaded connection, bolted connection, bonding, welding and interference fit. The piston sleeve 3 is provided with 2 semicircular rings which are respectively connected with the two limiting grooves 5. The connection parts of the semicircular ring 4 and the piston sleeve 3 are provided with connection threads, and the cross section of the piston sleeve is L-shaped. The limiting groove 5 is arranged in the middle of the piston rod, and the connecting part of the semicircular ring 4 extends towards the end part of the piston rod. The outer diameter of the piston ring 2 is less than or equal to that of the piston sleeve, so that the piston ring is convenient to install.
When the double-acting piston rod structure is installed, the piston ring is sleeved into the middle position of the piston rod, the two paired semicircular ring structures are clamped in the groove of the piston rod, and the two piston sleeves are respectively sleeved into the two ends of the piston rod and are fixedly connected with the semicircular ring structures to complete the assembly of the piston rod structure.
The structure only comprises a piston rod, a semicircular ring, a piston ring and a piston sleeve component, so that the piston rod structure with larger stress is greatly simplified; the semicircular ring ensures the connection strength of the piston on the piston rod, facilitates installation, can also reduce the fatigue problem in the working process of the piston, and further prolongs the service life of the piston.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a piston rod and semicircle ring connection structure, its characterized in that, includes piston rod, semicircle ring, piston ring and piston bush, be provided with 2 spacing grooves on the piston rod, the semicircle ring block is at the spacing inslot, piston ring and piston bush are spacing to be fixed on the piston rod through the semicircle ring respectively.
2. The piston rod and semi-circular ring connecting structure according to claim 1, wherein 2 semi-circular rings are engaged in the limiting groove, and the outer diameter of the semi-circular ring is larger than that of the piston rod.
3. A piston rod and semi-ring connecting structure having a piston rod and semi-ring connecting structure as set forth in claim 1 or 2, wherein the piston ring and the piston sleeve are fixedly connected.
4. The piston rod and semi-circular ring connecting structure as claimed in claim 3, wherein said piston sleeve has an L-shaped cross section, and the diameter of the inner ring of the piston sleeve is equal to the outer diameter of the semi-circular ring.
5. The piston rod and semi-ring connecting structure as claimed in claim 3, wherein the piston ring and piston rod engaging portion is fixed between two retaining grooves, and a connecting portion between the piston ring and the piston sleeve is provided with a connecting thread.
6. A piston rod and semi-ring connecting structure having the piston rod and semi-ring connecting structure as set forth in claim 1 or 2, wherein the piston ring is engaged between two stopper grooves, and the semi-ring is fixedly connected to the piston housing.
7. The piston rod and semi-circular ring connecting structure as claimed in claim 6, wherein said piston housing is provided with 2 semi-circular rings respectively connected to two limit grooves.
8. A piston rod and semi-circle ring connecting structure as claimed in claim 7, wherein the connecting portion of the semi-circle ring and the piston sleeve are provided with connecting threads, and the piston sleeve is L-shaped in cross section.
9. The piston rod and semi-circular ring connecting structure as claimed in claim 6, wherein said limiting groove is provided in the middle of the piston rod, and the connecting portion of the semi-circular ring extends toward the end of the piston rod.
10. The piston rod and semi-ring connecting structure as claimed in claim 6, wherein the outer diameter of the piston ring is equal to or less than the outer diameter of the piston sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221785143.4U CN218093409U (en) | 2022-07-08 | 2022-07-08 | Piston rod and semicircular ring connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221785143.4U CN218093409U (en) | 2022-07-08 | 2022-07-08 | Piston rod and semicircular ring connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093409U true CN218093409U (en) | 2022-12-20 |
Family
ID=84481078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221785143.4U Active CN218093409U (en) | 2022-07-08 | 2022-07-08 | Piston rod and semicircular ring connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093409U (en) |
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2022
- 2022-07-08 CN CN202221785143.4U patent/CN218093409U/en active Active
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