CN214945398U - Buffer device of hydraulic oil cylinder of vulcanizing machine - Google Patents
Buffer device of hydraulic oil cylinder of vulcanizing machine Download PDFInfo
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- CN214945398U CN214945398U CN202120738847.5U CN202120738847U CN214945398U CN 214945398 U CN214945398 U CN 214945398U CN 202120738847 U CN202120738847 U CN 202120738847U CN 214945398 U CN214945398 U CN 214945398U
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- oil return
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Abstract
The utility model relates to a buffer of vulcanizer hydraulic cylinder, including cylinder body and piston, the piston is established in cylinder body and rather than sliding fit, and sealing connection between the tip of piston and the cylinder body, cylinder body has the oil return opening, and its innovation point lies in: the inner wall of the oil cylinder body is provided with a pressure equalizing buffer ring, and the pressure equalizing buffer ring is positioned below an oil return opening of the oil cylinder body; an oil return gap is formed between the middle lower part of the inner cavity of the cylinder body of the oil cylinder and the outer wall of the piston, and the pressure equalizing buffer ring is positioned in the oil return gap. The utility model discloses can effectively cushion evenly too big return oil pressure, improve oil return buffering effect greatly.
Description
Technical Field
The utility model relates to a buffer of hydro-cylinder, concretely relates to buffer of vulcanizer hydraulic cylinder.
Background
The traditional technical means is that a buffer oil cavity is additionally arranged at the bottom of the piston, a buffer column is arranged at the bottom of the oil cylinder, and the buffer oil cylinder and the buffer column are respectively provided with a spiral oil groove along the axial direction and are used for buffering the overlarge oil pressure, but the structure has high processing complexity, and when the hollow piston structure is used for processing the buffer oil cavity at the bottom, the strength of the piston is influenced, the thickness of the bottom needs to be increased, so that the material consumption and the processing and manufacturing cost are increased, and in order to overcome the defects of the structure of the traditional buffer device, the traditional technical scheme is that a bulge is arranged at an oil return port of the oil cylinder, when the piston falls back at a high speed, the oil return buffering force is concentrated at the bulge, but the buffering structure has poor buffering effect because the manufacturing process is complex, the size of the gap and high parameters are difficult to control, and the oil return pressure cannot be effectively and uniformly distributed.
Disclosure of Invention
The utility model aims at: the buffering device of the hydraulic oil cylinder of the vulcanizing machine can effectively and uniformly buffer overlarge oil return pressure and greatly improve the oil return buffering effect.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a buffer of vulcanizer hydraulic cylinder, includes cylinder body and piston, the piston is established in cylinder body and rather than sliding fit, and sealing connection between the tip of piston and the cylinder body, cylinder body has the oil return opening, and its innovation point lies in: and a pressure equalizing buffer ring is arranged on the inner wall of the oil cylinder body and is positioned below an oil return opening of the oil cylinder body.
In the technical scheme, the end face of the top of the oil cylinder body is provided with the gland, and the gland is sleeved on the periphery of the piston.
In the technical scheme, a sealing ring mounting step is arranged on the inner wall of the oil cylinder body and at the position close to the opening of the top, a sealing ring is arranged in the sealing ring mounting step, and the sealing ring is located below the gland.
In the technical scheme, an oil return opening lug is arranged on the outer side wall of the oil cylinder body and is positioned at the oil return opening.
In the technical scheme, a plurality of reinforcing ribs which are uniformly arranged are arranged at the top of the cylinder body and along the circumferential direction of the cylinder body.
In the technical scheme, an oil return gap is formed between the middle lower part of the inner cavity of the cylinder body of the oil cylinder and the outer wall of the piston, and the pressure equalizing buffer ring is positioned in the oil return gap.
The utility model discloses the positive effect who has is: adopt the utility model discloses a behind vulcanizer hydraulic cylinder's buffer, because be equipped with the voltage-sharing buffering ring on cylinder body's the inner wall, and voltage-sharing buffering ring is located cylinder body's oil return opening's below, like this, at the in-process of hydraulic oil return, hydraulic oil passes through in the oil return opening of cylinder body falls back to the oil tank to under voltage-sharing buffering ring's effect, increase the oil return resistance, make it evenly cushion the oil return pressure more effectively, consequently, not only can ensure that the piston can not collide with the hydro-cylinder, solved again and utilized in prior art to carry out the problem that the oil pressure buffering can not play even buffering oil pressure again in the arch that the oil return opening set up, the utility model is not only simple in structure, processing is convenient moreover to and improved the effect that even oil pressure buffering carries out the oil return greatly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
As shown in figure 1, a buffer device of a hydraulic cylinder of a vulcanizing machine comprises a cylinder body 1 and a piston 2, wherein the piston 2 is arranged in the cylinder body 1 and is in sliding fit with the cylinder body 1, the end part of the piston 2 is hermetically connected with the cylinder body 1, the cylinder body 1 is provided with an oil return opening 11, the inner wall of the cylinder body 1 is provided with a pressure equalizing buffer ring 3, and the pressure equalizing buffer ring 3 is positioned below the oil return opening 11 of the cylinder body 1.
As shown in fig. 1, in order to prevent hydraulic oil from leaking and ensure the sealing performance between the cylinder body 1 and the piston 2, a gland 7 is arranged on the end surface of the top of the cylinder body 1, and the gland 7 is sleeved on the periphery of the piston 2.
As shown in fig. 1, in order to further improve the sealing performance between the cylinder body 1 and the piston 2, a sealing ring mounting step 12 is arranged at an opening close to the top on the inner wall of the cylinder body 1, a sealing ring 4 is arranged in the sealing ring mounting step 12, and the sealing ring 4 is located below the gland 7.
As shown in fig. 1, in order to facilitate the pipeline connection between the oil return port 11 of the cylinder body 1 and the oil return pipe of the oil tank, an oil return port lug 5 is arranged on the outer side wall of the cylinder body 1 and at the oil return port 11.
Further, as shown in fig. 1, in order to improve the rigidity strength of the cylinder body 1 itself of the present invention, the top of the cylinder body 1 is provided with a plurality of reinforcing ribs 13 uniformly arranged along the circumferential direction thereof.
As shown in fig. 1, in order to further buffer the return oil pressure, an oil return gap 6 is provided between the middle lower part of the inner cavity of the cylinder body 1 and the outer wall of the piston 2, and the pressure equalizing buffer ring 3 is located in the oil return gap 6.
Oil return opening 11 and the oil inlet of hydro-cylinder body 1 are same hydraulic fluid port.
The utility model discloses a buffer is applicable in the hydro-cylinder body of welding or integral type, if hydro-cylinder body is a welding, then hydro-cylinder body 1 is as an organic whole rather than the bottom welding, the welding of voltage-sharing buffering ring 3 is on hydro-cylinder body's inner wall, of course, if hydro-cylinder body formula structure as an organic whole, then voltage-sharing buffering ring is turned machine together with hydro-cylinder body and is made.
The utility model discloses a working process: in-process at the hydraulic oil return, return lug 5 and the oil return pipe tube coupling of oil tank, hydraulic oil pass through oil return opening 11 and fall back to in the oil tank to under the effect of voltage-sharing buffering ring 3, increase the oil return resistance, make it evenly cushion return pressure more effectively, consequently, not only can ensure that the piston can not collide with the hydro-cylinder, solved again and utilized carrying out the oil pressure buffering but can not play the problem of evenly buffering oil pressure again in the arch that the oil return opening set up among the prior art, the utility model is not only simple in structure, processing is convenient moreover to and improved the effect that even oil pressure buffering carries out the oil return greatly.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a buffer of vulcanizer hydraulic cylinder, includes cylinder body (1) and piston (2), piston (2) are established in cylinder body (1) and rather than sliding fit, and sealing connection between the tip of piston (2) and cylinder body (1), cylinder body (1) has oil return opening (11), its characterized in that: the oil cylinder is characterized in that a pressure equalizing buffer ring (3) is arranged on the inner wall of the oil cylinder body (1), and the pressure equalizing buffer ring (3) is located below an oil return opening (11) of the oil cylinder body (1).
2. The damping device of the hydraulic oil cylinder of the vulcanizing machine according to claim 1, characterized in that: be equipped with gland (7) on the terminal surface at hydro-cylinder body (1) top, and gland (7) cover is in the periphery of piston (2).
3. The damping device of the hydraulic oil cylinder of the vulcanizing machine according to claim 2, characterized in that: the opening part that just is close to the top on the inner wall of hydro-cylinder body (1) is equipped with sealing washer installation step (12), be equipped with sealing washer (4) in sealing washer installation step (12), sealing washer (4) are located the below of gland (7).
4. The damping device of the hydraulic oil cylinder of the vulcanizing machine according to claim 1, characterized in that: and an oil return opening lug (5) is arranged on the outer side wall of the oil cylinder body (1) and is positioned at the oil return opening (11).
5. The damping device of the hydraulic oil cylinder of the vulcanizing machine according to claim 1, characterized in that: the top of the oil cylinder body (1) is provided with a plurality of reinforcing ribs (13) which are uniformly arranged along the circumferential direction.
6. The damping device of the hydraulic oil cylinder of the vulcanizing machine according to claim 1, characterized in that: an oil return gap (6) is arranged between the middle lower part of the inner cavity of the oil cylinder body (1) and the outer wall of the piston (2), and the pressure equalizing buffer ring (3) is located in the oil return gap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738847.5U CN214945398U (en) | 2021-04-12 | 2021-04-12 | Buffer device of hydraulic oil cylinder of vulcanizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120738847.5U CN214945398U (en) | 2021-04-12 | 2021-04-12 | Buffer device of hydraulic oil cylinder of vulcanizing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945398U true CN214945398U (en) | 2021-11-30 |
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ID=79044812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120738847.5U Active CN214945398U (en) | 2021-04-12 | 2021-04-12 | Buffer device of hydraulic oil cylinder of vulcanizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945398U (en) |
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2021
- 2021-04-12 CN CN202120738847.5U patent/CN214945398U/en active Active
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