CN216642624U - Small-size centre gripping hydro-cylinder - Google Patents
Small-size centre gripping hydro-cylinder Download PDFInfo
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- CN216642624U CN216642624U CN202122555658.7U CN202122555658U CN216642624U CN 216642624 U CN216642624 U CN 216642624U CN 202122555658 U CN202122555658 U CN 202122555658U CN 216642624 U CN216642624 U CN 216642624U
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Abstract
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a small clamping oil cylinder. The cylinder is provided with a cylinder body, a cylinder bottom, a cylinder cover, a piston and a piston rod; the cylinder cover is fixed in one end of the cylinder body through the flush joint screw, the cylinder bottom is welded at the other end of the cylinder body, one end of the piston rod is fastened with the piston arranged in the cylinder body through the fastening screw, the other end of the piston rod penetrates through the cylinder cover, the outer wall of the cylinder body is located at the opposite position of the bottom of the cylinder cover, a rod cavity oil inlet and outlet is formed in the outer wall of the cylinder body, and a rodless cavity oil inlet and outlet is formed in the side wall of the cylinder bottom. The utility model has compact structure and smaller size and is suitable for narrow operation space. The maintenance is convenient and fast more, and the leakproofness is good.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a small clamping oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
The size of the existing hydraulic oil cylinder is generally large, the existing hydraulic oil cylinder is not suitable for operation in a narrow space, the oil inlet and the oil outlet are mostly arranged on the side wall of the cylinder body, the cavity inside the hydraulic oil cylinder is not sufficiently utilized, and the piston rod and the piston are mostly welded, so that the hydraulic oil cylinder is not beneficial to maintenance.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a small clamping oil cylinder.
The technical scheme for realizing the aim of the utility model is a small-sized clamping oil cylinder which is provided with a cylinder body, a cylinder bottom, a cylinder cover, a piston and a piston rod; the cylinder cover is fixed in one end of the cylinder body through the flush joint screw, the cylinder bottom is welded at the other end of the cylinder body, one end of the piston rod is fastened with the piston arranged in the cylinder body through the fastening screw, the other end of the piston rod penetrates through the cylinder cover, the outer wall of the cylinder body is located at the opposite position of the bottom of the cylinder cover, a rod cavity oil inlet and outlet is formed in the outer wall of the cylinder body, and a rodless cavity oil inlet and outlet is formed in the side wall of the cylinder bottom.
Further, the bottom end of the piston rod is flush with the bottom end of the piston, a first O-shaped ring is arranged between the piston rod and the piston, and first O-shaped ring retaining rings are arranged on two sides of the first O-shaped ring respectively.
Furthermore, a dustproof ring, a shaft sealing ring and a plurality of first molding supporting rings are sequentially arranged between the inner wall of the cylinder cover and the piston rod from outside to inside.
Furthermore, 1 buffer ring is arranged between the plurality of first molding support rings.
Furthermore, a plurality of second forming supporting rings are arranged on the outer side of the piston, and a hole seal is arranged between the second forming supporting rings.
Furthermore, a circle of oil port avoiding slope is arranged on the outer side of the bottom end of the cylinder cover.
Furthermore, a threaded hole is formed in the top end of the piston rod.
Furthermore, a fixed platform is welded on the outer side of the cylinder body, which is located at the position of the cylinder cover.
After the technical scheme is adopted, the utility model has the following positive effects:
(1) the utility model has compact structure and smaller size and is suitable for narrow operation space.
(2) The utility model has more convenient and rapid maintenance and good sealing performance.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a right side view of the present invention.
Detailed Description
Referring to fig. 1 to 3, the present invention has a cylinder block 1, a cylinder bottom 2, a cylinder head 3, a piston 4, and a piston rod 5; a cylinder cover 3 is fixed in one end of a cylinder body 1 through a flush joint screw, a cylinder bottom 2 is welded at the other end of the cylinder body, one end of a piston rod 5 is fastened with a piston 4 arranged in the cylinder body 1 through a fastening screw, the other end of the piston rod penetrates through the cylinder cover 3, a rod cavity oil inlet and outlet 6 is formed in the outer wall of the cylinder body 1 at the opposite position of the bottom of the cylinder cover 3, and a rodless cavity oil inlet and outlet 7 is formed in the side wall of the cylinder bottom 2. The cylinder cover 3 is fastened on the cylinder body 1 through a flush joint screw, the piston rod 5 is fixed with the piston 4 through a fastening screw, and the disassembly and the maintenance are very convenient and fast. The outer side of the bottom end of the cylinder cover 3 is provided with a circle of oil port avoiding slope 16. The rod cavity oil inlet and outlet 6 is reasonably arranged while the compact size is ensured.
The bottom end of the piston rod 5 is flush with the bottom end of the piston 4, a first O-shaped ring 8 is arranged between the piston rod 5 and the piston 4, and two sides of the first O-shaped ring 8 are respectively provided with a first O-shaped ring retainer ring 9. Ensuring a seal between the rod and rodless chambers.
Between the inner wall of the cylinder cover 3 and the piston rod 5, a dustproof ring 10, a shaft sealing ring 11 and 3 first molding supporting rings 12 are arranged from outside to inside in sequence. And 1 buffer ring 13 is arranged between 2 first forming supporting rings 12. The sealing performance of the piston rod 5 with the outside is ensured.
3 second molded support rings 14 are arranged outside the piston 4, and a hole seal 15 is arranged between 2 second molded support rings 14. Ensuring a seal between the rod and rodless chambers.
The top end of the piston rod 5 is provided with a threaded hole 17. The outer side of the cylinder body 1 at the position of the cylinder cover 3 is welded with a fixed platform 18.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a small-size centre gripping hydro-cylinder which characterized in that: the cylinder is provided with a cylinder body (1), a cylinder bottom (2), a cylinder cover (3), a piston (4) and a piston rod (5); there is cylinder cap (3) through seam neat screw fixation in cylinder body (1) one end, and the other end welding has cylinder bottom (2), fastening screw and piston (4) the fastening of setting in cylinder body (1) are passed through to piston rod (5) one end, and cylinder cap (3) are passed through to the other end, rod chamber business turn over hydraulic fluid port (6) have been seted up to cylinder body (1) outer wall position in cylinder cap (3) bottom relative position, set up rodless chamber business turn over hydraulic fluid port (7) on cylinder bottom (2) lateral wall.
2. The small clamp cylinder of claim 1, wherein: the bottom end of the piston rod (5) is flush with the bottom end of the piston (4), a first O-shaped ring (8) is arranged between the piston rod (5) and the piston (4), and first O-shaped ring retaining rings (9) are arranged on two sides of the first O-shaped ring (8) respectively.
3. The small clamp cylinder of claim 1, further comprising: between cylinder cap (3) inner wall and piston rod (5), dust ring (10), sealing washer (11) for the axle, a plurality of first shaping supporting ring (12) have set gradually from outside to inside.
4. The small clamp cylinder of claim 3, further comprising: 1 buffer ring (13) is arranged between the first forming support rings (12).
5. The small clamp cylinder of claim 1, wherein: a plurality of second forming supporting rings (14) are arranged on the outer side of the piston (4), and a hole seal (15) is arranged between the second forming supporting rings (14).
6. The small clamp cylinder of claim 1, wherein: and a circle of oil port avoiding slope (16) is arranged on the outer side of the bottom end of the cylinder cover (3).
7. The small clamp cylinder of claim 1, wherein: the top end of the piston rod (5) is provided with a threaded hole (17).
8. The small clamp cylinder of any one of claims 1 to 7, further comprising: the outer side of the cylinder body (1) at the position of the cylinder cover (3) is welded with a fixed platform (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555658.7U CN216642624U (en) | 2021-10-23 | 2021-10-23 | Small-size centre gripping hydro-cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122555658.7U CN216642624U (en) | 2021-10-23 | 2021-10-23 | Small-size centre gripping hydro-cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642624U true CN216642624U (en) | 2022-05-31 |
Family
ID=81730785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122555658.7U Active CN216642624U (en) | 2021-10-23 | 2021-10-23 | Small-size centre gripping hydro-cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642624U (en) |
-
2021
- 2021-10-23 CN CN202122555658.7U patent/CN216642624U/en active Active
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