CN215763009U - Elastic buffer - Google Patents
Elastic buffer Download PDFInfo
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- CN215763009U CN215763009U CN202121907789.0U CN202121907789U CN215763009U CN 215763009 U CN215763009 U CN 215763009U CN 202121907789 U CN202121907789 U CN 202121907789U CN 215763009 U CN215763009 U CN 215763009U
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Abstract
The utility model is suitable for the field of buffers, and provides an elastic buffer, which comprises a compression rod, wherein one end of the compression rod is provided with a piston; a plurality of damping holes are formed in the piston; the movable oil cylinder is internally provided with an oil cavity, and hydraulic oil is filled in the oil cavity; the piston is slidably mounted in the oil cavity; a return spring for returning the pressed rod is arranged in the movable oil cylinder; the adjustable shell is of a cylindrical structure and can stretch along the axial direction of the adjustable shell; the movable oil cylinder is sleeved in the adjustable shell in a sliding manner; the left end and the right end of the movable oil cylinder are provided with the buffer parts, so that secondary buffering can be realized, and the buffering effect is better.
Description
Technical Field
The utility model relates to the field of buffers, in particular to an elastic buffer.
Background
The buffer is one of the original elements of the safety protection device, and has been widely applied to the anti-collision field of various running mechanisms such as cranes, elevators and the like. The existing buffer mainly comprises a hydraulic buffer, a spring buffer and a polyurethane buffer, wherein the hydraulic buffer is more commonly applied due to the requirement of adapting to various speed tonnages, and the spring buffer and the polyurethane buffer are suitable for low-speed elevators.
Most buffers in the prior art only have a one-level buffer structure, and the buffer effect is general.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, the present invention provides an elastic buffer, which can achieve a secondary buffering effect and has a better buffering effect.
In order to achieve the above object, the present invention provides an elastic buffer, comprising a pressure receiving rod, one end of which is a piston; a plurality of damping holes are formed in the piston; the movable oil cylinder is internally provided with an oil cavity, and hydraulic oil is filled in the oil cavity; the piston is slidably mounted in the oil cavity; a return spring for returning the pressed rod is arranged in the movable oil cylinder; the adjustable shell is of a cylindrical structure and can stretch along the axial direction of the adjustable shell; the movable oil cylinder is sleeved in the adjustable shell in a sliding manner; and buffer parts are arranged at the left end and the right end of the movable oil cylinder.
According to the elastic buffer, the adjustable shell comprises a first supporting outer cylinder and a second supporting outer cylinder which are symmetrically arranged, an adjusting inner cylinder which is in threaded connection with the inner parts of the first supporting outer cylinder and the second supporting outer cylinder, and a positioning component which is used for limiting the rotation of the first supporting outer cylinder and the second supporting outer cylinder.
According to the elastic buffer, the thread turning direction of the connecting threads of the adjusting inner cylinder and the first supporting outer cylinder is opposite to the thread turning direction of the connecting threads of the adjusting inner cylinder and the second supporting outer cylinder.
According to the elastic buffer, the positioning component comprises a first bottom plate fixedly connected with one end of the first supporting outer cylinder and a second bottom plate fixedly connected with the second supporting outer cylinder; the first bottom plate and the second bottom plate are fixedly connected through a plurality of movable telescopic rods.
According to the elastic buffer, the positioning component comprises a first bottom plate fixedly connected with one end of the first supporting outer cylinder and a second bottom plate fixedly connected with the second supporting outer cylinder; the first bottom plate is connected with a fixed seat with a sliding chute; the second bottom plate is connected with a sliding seat with a sliding block; the sliding block is parallel to the direction of the axis of the adjustable shell and is arranged in the sliding groove; and a fastening assembly is arranged between the fixed seat and the sliding seat.
According to the elastic buffer, the fastening assembly comprises a strip-shaped clamping groove arranged on one side of the sliding groove and a positioning hole which corresponds to the strip-shaped clamping groove and is arranged on the sliding seat; the fixed seat and the sliding seat are fastened through bolt fixing pieces arranged in the positioning holes and the strip-shaped clamping grooves.
The utility model provides an elastic buffer, which comprises a compression rod, wherein one end of the compression rod is provided with a piston; a plurality of damping holes are formed in the piston; the movable oil cylinder is internally provided with an oil cavity, and hydraulic oil is filled in the oil cavity; the damping effect is achieved through the resistance formed by the hydraulic oil penetrating through the damping holes; the piston is slidably mounted in the oil cavity; a return spring for returning the pressed rod is arranged in the movable oil cylinder; the adjustable shell is of a cylindrical structure and can stretch along the axial direction of the adjustable shell; the movable oil cylinder is sleeved in the adjustable shell in a sliding manner; both ends are equipped with the bolster about the activity hydro-cylinder, play the buffering effect to the pole that receives through the bolster. The beneficial effects produced by the utility model are as follows: the secondary buffering can be realized, and the buffering effect is better.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a state of the utility model;
FIG. 3 is another state diagram of the present invention;
FIG. 4 is a schematic view of the installation of the fastener assembly of FIG. 3;
in the figure, 1-connecting head, 2-pressed rod, 21-piston, 22-damping hole, 3-movable oil cylinder, 31-oil cavity, 4-buffer piece, 5-reset spring, 61-first supporting outer cylinder, 62-second supporting outer cylinder, 7-adjusting inner cylinder, 81-first bottom plate, 82-second bottom plate, 83-movable telescopic rod, 84-fixed seat, 85-sliding seat, 841-sliding groove, 842-strip-shaped clamping groove, 851-sliding block, 852-positioning hole and 853-bolt fixing piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1 and 2, the present invention provides an elastic buffer, including:
a pressure receiving rod 2, one end of the pressure receiving rod 2 being a piston 21; the piston 21 is provided with a plurality of damping holes 22.
The movable oil cylinder 3 is internally provided with an oil cavity 31, and hydraulic oil is filled in the oil cavity 31; the piston 21 is slidably mounted in the oil chamber 31;
an adjustable housing which is a cylindrical structure and can be extended and retracted along the axial direction of the adjustable housing; the movable oil cylinder 3 is slidably sleeved in the adjustable shell; the left end and the right end of the movable oil cylinder 3 are provided with buffer parts 4; the buffer 4 may be a buffer spring.
The adjustable shell comprises a first supporting outer cylinder 61 and a second supporting outer cylinder 62 which are symmetrical to each other, and further comprises an adjusting inner cylinder 7 which is in threaded connection with the inner parts of the first supporting outer cylinder 61 and the second supporting outer cylinder 62;
the buffer member 4 is compressed and adjusted to different degrees by adjusting the adjustable shell, and the buffer member 4 changes the compression amount of the buffer member 4 by changing the compression amount of the buffer member.
Further, the thread direction of the connecting thread of the adjusting inner cylinder 7 and the first supporting outer cylinder 61 is opposite to the thread direction of the connecting thread of the adjusting inner cylinder 7 and the second supporting outer cylinder 62; during adjustment, the adjusting inner cylinder 7 is rotated in the forward direction or the reverse direction, and the first supporting outer cylinder 61 and the second supporting outer cylinder 62 cannot rotate, so that the adjusting inner cylinder 7 can drive the first supporting outer cylinder 61 and the second supporting outer cylinder 62 to move towards or away from each other under the action of the threads.
A positioning component for limiting the rotation of the first support outer cylinder 61 and the second support outer cylinder 62; the positioning component comprises a first bottom plate 81 fixedly connected with one end of the first support outer cylinder 61 and a second bottom plate 82 fixedly connected with the second support outer cylinder 62; the first bottom plate 81 is connected with the second bottom plate 82 through a plurality of movable telescopic rods 83;
preferably, a return spring 5 for returning the pressure receiving rod 2 is provided in the movable cylinder 3 of the present invention.
In this example, the buffer device is at the during operation, receives 2 pressurized backs of pole, can drive movable cylinder 3 and remove, and movable cylinder 3 after the removal receives cushions under the effect of the bolster 4 of the left and right sides, when receiving pole 2 when pressurized, is equipped with carry out a removal in the piston 21 that receives 2 one ends of pole can the movable cylinder 3, the hydraulic oil of the pressurized one side of piston 21 can pass damping hole 22 in the movable cylinder 3 and reachs the opposite side that is not pressed, realizes the secondary buffering through hydraulic oil, and reset spring also possesses the cushioning effect simultaneously.
When the external force is removed by the compression rod 2, the movable oil cylinder 3 can be restored to the initial state under the elastic action of the buffer part 4, and one end of the compression rod 2 can be restored to the initial state under the elastic action of the return spring 5.
Referring to fig. 3 and 4, in another example, the positioning assembly may be further optimized, and the positioning assembly includes a first bottom plate 81 fixedly connected to one end of the first outer support cylinder 61 and a second bottom plate 82 fixedly connected to the second outer support cylinder 62; the first bottom plate 81 is connected with a fixed seat 84 with a sliding groove 841; the second bottom plate 82 is connected with a sliding seat 85 with a sliding block; the sliding block 851 is parallel to the axis direction of the adjustable shell and is installed in the sliding groove. A fastening component is arranged between the fixed seat 84 and the sliding seat 85;
preferably, the fastening assembly of the present invention includes a strip-shaped slot 842 disposed on one side of the sliding groove 841, and a positioning hole 852 disposed on the sliding seat 85 and corresponding to the strip-shaped slot 842; the fixed seat 84 and the sliding seat 85 are fastened by a bolt fixing member 853 installed in the positioning hole 852 and the strip-shaped slot 842. The fixed position between the fixed seat 84 and the sliding seat 85 is realized by a fastening component.
Before adjustable shell is adjusting, at first, to unscrewing bolt fixing part 853, later, adjust adjustable shell, in the accommodation process, sliding seat 85 removes, and bolt fixing part 853's lower extreme removes in bar draw-in groove 842, waits that adjustable shell adjustment finishes the back, again with bolt fixing part 853 fasten can.
In summary, the present invention provides an elastic buffer, which includes a pressure receiving rod, wherein one end of the pressure receiving rod is a piston; a plurality of damping holes are formed in the piston; the movable oil cylinder is internally provided with an oil cavity, and hydraulic oil is filled in the oil cavity; the damping effect is achieved through the resistance formed by the hydraulic oil penetrating through the damping holes; the piston is slidably mounted in the oil cavity; a return spring for returning the pressed rod is arranged in the movable oil cylinder; the adjustable shell is of a cylindrical structure and can stretch along the axial direction of the adjustable shell; the movable oil cylinder is sleeved in the adjustable shell in a sliding manner; both ends are equipped with the bolster about the activity hydro-cylinder, play the buffering effect to the pole that receives through the bolster. The beneficial effects produced by the utility model are as follows: the secondary buffering can be realized, and the buffering effect is better.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. An elastomeric damper, comprising:
a pressure receiving rod, one end of which is a piston; a plurality of damping holes are formed in the piston;
the movable oil cylinder is internally provided with an oil cavity, and hydraulic oil is filled in the oil cavity; the piston is slidably mounted in the oil cavity; a return spring for returning the pressed rod is arranged in the movable oil cylinder;
the adjustable shell is of a cylindrical structure and can stretch along the axial direction of the adjustable shell; the movable oil cylinder is sleeved in the adjustable shell in a sliding manner; and buffer parts are arranged at the left end and the right end of the movable oil cylinder.
2. The spring-damper according to claim 1, wherein the adjustable housing comprises a first supporting outer cylinder and a second supporting outer cylinder which are symmetrically arranged, an adjusting inner cylinder screwed inside the first supporting outer cylinder and the second supporting outer cylinder, and a positioning component for limiting the rotation of the first supporting outer cylinder and the second supporting outer cylinder.
3. The elastic buffer according to claim 2, wherein the screw thread direction of the connecting screw thread of the adjusting inner cylinder and the first supporting outer cylinder is opposite to the screw thread direction of the connecting screw thread of the adjusting inner cylinder and the second supporting outer cylinder.
4. The spring-damper according to claim 2, wherein the positioning assembly comprises a first bottom plate fixedly connected to one end of the first outer supporting cylinder and a second bottom plate fixedly connected to the second outer supporting cylinder; the first bottom plate and the second bottom plate are fixedly connected through a plurality of movable telescopic rods.
5. The spring-damper according to claim 2, wherein the positioning assembly comprises a first bottom plate fixedly connected to one end of the first outer supporting cylinder and a second bottom plate fixedly connected to the second outer supporting cylinder; the first bottom plate is connected with a fixed seat with a sliding chute; the second bottom plate is connected with a sliding seat with a sliding block; the sliding block is parallel to the direction of the axis of the adjustable shell and is arranged in the sliding groove; and a fastening assembly is arranged between the fixed seat and the sliding seat.
6. The elastic buffer according to claim 5, wherein the fastening assembly comprises a strip-shaped slot disposed on one side of the sliding slot and a positioning hole disposed on the sliding seat corresponding to the strip-shaped slot; the fixed seat and the sliding seat are fastened through bolt fixing pieces arranged in the positioning holes and the strip-shaped clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121907789.0U CN215763009U (en) | 2021-08-16 | 2021-08-16 | Elastic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121907789.0U CN215763009U (en) | 2021-08-16 | 2021-08-16 | Elastic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763009U true CN215763009U (en) | 2022-02-08 |
Family
ID=80074664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121907789.0U Active CN215763009U (en) | 2021-08-16 | 2021-08-16 | Elastic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763009U (en) |
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2021
- 2021-08-16 CN CN202121907789.0U patent/CN215763009U/en active Active
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