CN211820167U - Hydraulic oil cylinder with combined throttling buffer device - Google Patents
Hydraulic oil cylinder with combined throttling buffer device Download PDFInfo
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- CN211820167U CN211820167U CN202020117326.3U CN202020117326U CN211820167U CN 211820167 U CN211820167 U CN 211820167U CN 202020117326 U CN202020117326 U CN 202020117326U CN 211820167 U CN211820167 U CN 211820167U
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Abstract
The utility model discloses a hydraulic cylinder with make up throttle buffer relates to the hydraulic pressure technology field, and this technical scheme includes the cylinder body, go up the cylinder body and pass through screw rod pneumatic connection with lower cylinder block, lower cylinder block top is provided with the hydraulic cylinder body, wherein the screw rod sets up the both sides of going up the cylinder body, one end is provided with first hydraulic fluid port on going up the cylinder body, and the other end is provided with the second hydraulic fluid port, wherein go up and be provided with the cushion chamber between cylinder body and the lower cylinder block. The combined throttling buffer device is arranged in the hydraulic oil cylinder, so that the large impact force generated at the cylinder bottom can be reduced, a certain buffer pressure is formed in the cavity, the reduction of the movement speed of the piston is effectively ensured, and the buffer purpose is achieved. The utility model discloses can reduce the harmful effects that impact in-process brought for the hydro-cylinder effectively, prolong the life of hydro-cylinder, reach the best buffering effect.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field, and more specifically relate to a hydraulic cylinder with make up throttle buffer.
Background
With the development of modern industry, hydraulic oil cylinders are increasingly used as important mechanical transmission parts in various mechanical designs. With the acceleration of the modernization construction pace of the country and the gradual maturity of international commercial trade, the demand for hydraulic oil cylinders at home and abroad is also increased sharply. The hydraulic oil cylinder is used as an important component in the hydraulic support, the production efficiency is improved by the movement speed of the hydraulic oil cylinder piston, but larger impact force can be generated on the cylinder bottom along with the acceleration of the movement speed of the hydraulic oil cylinder piston, so that the normal performance of the hydraulic support is greatly influenced.
Due to the constraint of the traditional design, most of the common hydraulic oil cylinders do not have the constant throttling buffer function, so when the pistons of the hydraulic oil cylinders rapidly move to the two ends of the stroke, the end surfaces of the pistons of the oil cylinders can violently collide with the bottom of the oil cylinder or an end cover; therefore, the working noise is generated, and the piston is damaged and deformed to cause the damage of the oil cylinder.
Disclosure of Invention
The utility model discloses a hydraulic cylinder with make up throttle buffer, through be provided with in hydraulic cylinder and have make up throttle buffer, can reduce the cylinder bottom and produce great impact to form certain buffer pressure at the intracavity, ensured the reduction of piston velocity of motion effectively, reach the buffering purpose.
The hydraulic oil cylinder with the combined throttling buffer device comprises an upper cylinder body, wherein the upper cylinder body is pneumatically connected with a lower cylinder base through a screw, a hydraulic cylinder body is arranged at the top of the lower cylinder base, the screw is arranged on two sides of the upper cylinder body, a first oil port is formed in one end of the upper cylinder body, a second oil port is formed in the other end of the upper cylinder body, and a buffer cavity is formed between the upper cylinder body and the lower cylinder base.
The hydraulic cylinder body is provided with a lower limiting seat.
The upper cylinder body is sequentially provided with a hydraulic rod, an upper cylinder seat, an upper sealing ring, a guide post, a first sealing ring, an upper conical sliding sleeve, a gasket, a first sliding ring, a second sliding ring, a third sliding ring, an O-shaped ring and a lower conical sliding sleeve from top to bottom.
The first oil port is provided with an upper regulating port and an upper regulating valve, wherein the upper regulating valve is arranged to control the upper regulating port.
The second oil port is provided with a lower regulation port and a lower regulation valve, wherein the lower regulation valve is configured to control the lower regulation port.
The volume of the first sliding ring is larger than that of the third sliding ring, and the volume of the third sliding ring is larger than that of the second sliding ring.
The upper sealing ring, the first sealing ring, the second sliding ring and the O-shaped ring are made of rubber materials.
The guide post, the upper conical sliding sleeve, the first sliding ring, the third sliding ring and the lower conical sliding sleeve are made of stainless steel.
Has the positive and beneficial effects that:
can prolong the life of hydro-cylinder, the utility model discloses can effectual control distance and speed, realize producing oil through first hydraulic fluid port and second hydraulic fluid port, and then can reach the best buffering effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise, wherein:
FIG. 1 is a structural diagram of a hydraulic cylinder with a combined throttling buffer device according to the present invention;
FIG. 2 is an internal structure view of a hydraulic cylinder with a combined throttling buffer device according to the present invention;
FIG. 3 is a plan view of a hydraulic cylinder with a combined throttling buffer according to the present invention;
FIG. 4 is a schematic structural view of a throttling buffer device of a hydraulic cylinder with a combined throttling buffer device according to the present invention;
the labels in the figure are: 1-lower cylinder seat; 2-a hydraulic cylinder body; 3-upper cylinder seat; 4-upper limiting seat; 5-a hydraulic rod; 6-first sealing ring; 7-a guide post; 8, mounting a sealing ring; a-upper cylinder body; 9-mounting a conical sliding sleeve; 10-a gasket; 11-a first sliding ring; 12-second sliding ring B; 13-third sliding ring C; 14-O-ring; 15-lower tapered sliding sleeve; 16-a lower limit seat; 17-oil pressure sleeve; 18-a first oil port; 19-a second oil port; 20-upper regulating port; 21-upper regulating valve; 22-lower adjustment port; 23-lower regulating valve; 24-screw.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive of the invention.
As shown in fig. 1-4, the hydraulic cylinder with the combined throttling buffer device comprises an upper cylinder body a, the upper cylinder body a is pneumatically connected with a lower cylinder seat 1 through a screw 24, a hydraulic cylinder body 2 is arranged at the top of the lower cylinder seat 1, the screw 24 is arranged on two sides of the upper cylinder body a, one end of the upper cylinder body a is provided with a first oil port 18, the other end of the upper cylinder body a is provided with a second oil port 19, and a buffer cavity 25 is arranged between the upper cylinder body a and the lower cylinder seat 1.
In the present invention, the hydraulic cylinder body 2 is provided with a lower stopper seat 16.
The utility model discloses in, go up cylinder body A and go up from last down set gradually hydraulic stem 5, go up cylinder block 3, go up sealing washer 8, guide post 7, first sealing washer 6, go up tapered sliding sleeve 9, packing ring 10, first sliding ring 11, second sliding ring 12, third sliding ring 13, O type circle 14 and lower tapered sliding sleeve 15.
The utility model discloses in, first hydraulic fluid port 18 department is provided with regulation mouth 20 and last governing valve 21, wherein go up governing valve 21 and set control go up regulation mouth 20.
In the present invention, the second oil port 19 is provided with a lower adjusting port 22 and a lower adjusting valve 23, wherein the lower adjusting valve 23 is configured to control the lower adjusting port 22.
In the present invention, the volume of the first sliding ring 11 is larger than the volume of the third sliding ring 13, and the volume of the third sliding ring 13 is larger than the volume of the second sliding ring 12.
The utility model discloses in, go up sealing washer 8, first sealing washer 6, second sliding ring 12 and O type circle 14 and be the rubber material.
The utility model discloses in, guide post 7, last toper sliding sleeve 9, first sliding ring 11, third sliding ring 13 and lower toper sliding sleeve 15 are stainless steel.
The present invention will be further described to better understand the present invention.
The upper cylinder seat 3, the upper limiting seat 4, the first sealing ring 6, the guide post 7 and the upper sealing ring 8 are fixed into a whole. The lower cylinder seat 1 and the lower limit seat 16 are fixed into a whole. Then the hydraulic rod 5 is fixed, the upper conical sliding sleeve 9, the gasket 10, the first sliding ring 11, the second sliding ring, the third sliding ring 13, the O-shaped ring 14 and the lower conical sliding sleeve 15 are fixed into a whole in sequence, the fixed whole is assembled into the hydraulic cylinder body 2 in a sliding mode to form a whole, and finally the assembly of the upper cylinder base 3, the assembly of the lower cylinder base 1 and the assembly of the hydraulic rod 5 are connected through four screw rods 24 and fixed into a whole. Finally, the upper throttle valve 21 and the lower throttle valve 23 are fitted into the upper regulation port 20 and the lower regulation port 22 in this order. When the first oil port 18 is filled with hydraulic oil, the hydraulic rod is pushed, the second oil port 19 releases pressure, the hydraulic oil overflows, and the hydraulic rod moves upwards, otherwise, when the second oil port 19 is filled with hydraulic oil, the first oil port 18 overflows, and the hydraulic rod retracts into the cylinder body. When the falling surge pressure is too large, the upper and lower regulating valves 21 and 23 can be adjusted to achieve the effect of throttling damping.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are merely illustrative and that various omissions, substitutions and changes in the form and details of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the above-described method steps to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is to be limited only by the following claims.
Claims (8)
1. A hydraulic cylinder with a combined throttling buffer device comprises an upper cylinder body (A), and is characterized in that: go up cylinder body (A) and lower cylinder seat (1) and pass through screw rod (24) pneumatic connection, cylinder seat (1) top is provided with hydraulic cylinder body (2) down, wherein screw rod (24) set up the both sides of going up cylinder body (A), go up one end on cylinder body (A) and be provided with first hydraulic fluid port (18), the other end is provided with second hydraulic fluid port (19), wherein go up and be provided with between cylinder body (A) and lower cylinder seat (1) cushion chamber (25).
2. The hydraulic oil cylinder with the combined throttling buffer device according to claim 1, characterized in that: the hydraulic cylinder body (2) is provided with a lower limiting seat (16).
3. The hydraulic oil cylinder with the combined throttling buffer device according to claim 1, characterized in that: the upper cylinder body (A) is sequentially provided with a hydraulic rod (5), an upper cylinder base (3), an upper sealing ring (8), a guide post (7), a first sealing ring (6), an upper conical sliding sleeve (9), a gasket (10), a first sliding ring (11), a second sliding ring (12), a third sliding ring (13), an O-shaped ring (14) and a lower conical sliding sleeve (15) from top to bottom.
4. The hydraulic oil cylinder with the combined throttling buffer device according to claim 1, characterized in that: an upper regulating port (20) and an upper regulating valve (21) are arranged at the first oil port (18), wherein the upper regulating valve (21) is arranged to control the upper regulating port (20).
5. The hydraulic oil cylinder with the combined throttling buffer device according to claim 1, characterized in that: a lower regulation port (22) and a lower regulation valve (23) are provided at the second oil port (19), wherein the lower regulation valve (23) is provided to control the lower regulation port (22).
6. A hydraulic ram having a combined throttle buffer as claimed in claim 3 wherein: the volume of the first sliding ring (11) is larger than that of the third sliding ring (13), and the volume of the third sliding ring (13) is larger than that of the second sliding ring (12).
7. A hydraulic ram having a combined throttle buffer as claimed in claim 3 wherein: the upper sealing ring (8), the first sealing ring (6), the second sliding ring (12) and the O-shaped ring (14) are made of rubber.
8. A hydraulic ram having a combined throttle buffer as claimed in claim 3 wherein: the guide post (7), the upper conical sliding sleeve (9), the first sliding ring (11), the third sliding ring (13) and the lower conical sliding sleeve (15) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117326.3U CN211820167U (en) | 2020-01-18 | 2020-01-18 | Hydraulic oil cylinder with combined throttling buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117326.3U CN211820167U (en) | 2020-01-18 | 2020-01-18 | Hydraulic oil cylinder with combined throttling buffer device |
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| Publication Number | Publication Date |
|---|---|
| CN211820167U true CN211820167U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020117326.3U Active CN211820167U (en) | 2020-01-18 | 2020-01-18 | Hydraulic oil cylinder with combined throttling buffer device |
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| Country | Link |
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| CN (1) | CN211820167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
-
2020
- 2020-01-18 CN CN202020117326.3U patent/CN211820167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
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