CN210447960U - Hydraulic one-way damping device - Google Patents
Hydraulic one-way damping device Download PDFInfo
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- CN210447960U CN210447960U CN201921023822.6U CN201921023822U CN210447960U CN 210447960 U CN210447960 U CN 210447960U CN 201921023822 U CN201921023822 U CN 201921023822U CN 210447960 U CN210447960 U CN 210447960U
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Abstract
The utility model discloses a hydraulic one-way damping device, which comprises an installation inner cylinder, an installation outer cylinder, a one-way oil sleeve, a reset spring and an oil pipe, wherein the installation inner cylinder is provided with an inner cylinder footstock and an inner cylinder base; a communicating oil way is arranged between the mounting outer barrel and the mounting inner barrel, a liquid outlet oil way communicated with the communicating oil way is arranged on the inner barrel top seat, and an adjusting valve is arranged on the oil pipe. The piston rod of the utility model can damp the hydraulic oil when the hydraulic oil flows through the regulating valve during the return stroke movement, and the speed of the piston rod is reduced, so that the effect of buffering and reducing the speed of the balancing weight can be achieved; and when the piston rod moves in the positive direction, the damping generated when hydraulic oil flows through the regulating valve is not needed to be overcome, the size of the counterweight load is convenient to regulate, and the use is more convenient.
Description
Technical Field
The utility model relates to the field of sports equipment, in particular to one-way damping device of hydraulic pressure.
Background
The exerciser need bear a burden when carrying out weight training or strength outbreak test, then makes a round trip to take exercise, and the heavy burden is bigger this moment, and the exerciser needs bumper shock absorber or buffer to cushion the balancing weight when the return stroke motion, avoids the balancing weight rapid motion or descends and leads to the condition that muscle strain or sprain. The existing shock absorber or buffer can slow down the moving speed of the balancing weight, but when the exerciser uses the device, the damping of the shock absorber or buffer also needs to be overcome, so that the exerciser cannot well determine the weight according to the weight of the balancing weight, the use is troublesome, and the desired exercise effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide one kind and can conveniently adjust counter weight load size, use the one-way damping device of more convenient hydraulic pressure.
The utility model provides a hydraulic pressure one-way damping device, include:
the oil outlet cavity is communicated with the oil inlet cavity, the piston is provided with a through hole for communicating the oil inlet cavity and the oil outlet cavity, and one side of the piston, which is close to the oil outlet cavity, is provided with a piston rod penetrating out of the inner cylinder footstock;
the mounting outer cylinder is sleeved on the outer side of the mounting inner cylinder, a communicating oil way is arranged between the mounting outer cylinder and the mounting inner cylinder, an inner cylinder base is provided with an oil outlet hole used for communicating the communicating oil way, the inner cylinder top seat is provided with an oil outlet way, and the oil outlet cavity is communicated with the communicating oil way through the oil outlet way;
the one-way oil sleeve is sleeved on the piston rod and used for sealing the through hole;
the return spring is sleeved on the piston rod, the piston rod is provided with a pressing boss, one end of the return spring is abutted against the one-way oil sleeve, and the other end of the return spring is abutted against the pressing boss;
and one end of the oil pipe is connected with the oil inlet hole, the other end of the oil pipe is connected with the oil outlet hole, and the oil pipe is provided with a regulating valve for regulating flow.
The hydraulic one-way damping device at least has the following beneficial effects: by utilizing the matching of the one-way oil sleeve and the return spring, when the piston rod moves in a return stroke, the through hole of the piston is closed, the piston extrudes the hydraulic oil out of the oil cavity to the regulating valve, the hydraulic oil generates damping when flowing through the regulating valve, the movement speed of the piston rod is slowed down, the effect of buffering and decelerating the counterweight block can be achieved, and the situation that muscle strain or sprain is caused by quick movement or descending of the counterweight block is avoided; and the piston rod is when forward motion, also when the person of just also taking exercise carries out forward load counter weight and takes exercise, the hydraulic oil of oil feed chamber will pass through the through-hole and pass through oil outlet chamber department, and hydraulic oil need not flow through the governing valve, also can let the piston rod move, then the person of taking exercise only need overcome the load of balancing weight and piston this moment and take exercise, need not to overcome the damping that hydraulic oil flow through the governing valve production, conveniently adjust counter weight load size, and it is more convenient to use, reaches the effect that the person of taking exercise wanted.
According to one-way damping device of hydraulic pressure, the piston rod stretches out the one end of inner tube footstock is provided with the pull head. The pull head is used for connecting the piston rod with a balancing weight or a load, so that the damping device is convenient to mount.
According to one-way damping device of hydraulic pressure, the inner tube base is provided with the mounting hole. The mounting hole is used for mounting the inner cylinder base on the fitness equipment, and is convenient to fix.
According to one-way damping device of hydraulic pressure, the installation urceolus corresponds the position of mounting hole is provided with the installing port. The outer barrel is installed to cover the inner barrel base, the inner barrel base is convenient to install, sealing performance is improved, oil leakage is avoided, and the installation hole can be easily connected with the fitness equipment by the aid of the installation opening.
According to one-way damping device of hydraulic pressure, the installation urceolus corresponds the oil outlet with the position of income oilhole is provided with logical groove. The through groove is used for letting the oil outlet hole and the oil inlet hole to be more conveniently connected with an exposed oil pipe, and is convenient to mount and adjust the valve.
According to one-way damping device of hydraulic pressure, support and press the boss including the jump ring, the piston rod be provided with the draw-in groove that the jump ring matches. The clamp spring is directly fixed on the clamping groove through clamping, and the installation of the abutting boss is convenient.
According to one-way damping device of hydraulic pressure, one-way oil jacket is close to support one side of pressing the boss and be provided with the ring channel, reset spring's one end with the ring channel offsets. The annular groove is used for accommodating the return spring and positioning one end of the return spring, so that the situation that one end of the return spring is offset with the one-way oil sleeve is prevented from shifting.
According to one-way damping device of hydraulic pressure, reset spring is the turriform spring. One end of the tower-shaped spring is smaller, the other end of the tower-shaped spring is larger, the smaller end of the tower-shaped spring is abutted to the abutting boss, and the larger end of the tower-shaped spring is abutted to the annular groove, so that the size of the abutting boss can be reduced, the tower-shaped spring is convenient to install, the stress area of the one-way oil sleeve can be larger, and the stress is more uniform.
According to one-way damping device of hydraulic pressure, the outside cover of piston is equipped with seal ring, the piston is provided with and is used for placing seal ring's seal groove. The sealing washer can prevent hydraulic oil from flowing from the outer side of the piston, so that the sealing performance of the outer side of the piston is guaranteed, and the hydraulic oil can pass through the through hole as much as possible.
According to one-way damping device of hydraulic pressure, seal ring has two, correspondingly, the seal groove has two. Through setting up two seal ring, can increase the leakproofness in the piston outside, let the effect of piston better.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic view of an overall structure of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, a hydraulic one-way damping device includes:
the oil-discharging device comprises an installation inner cylinder 10, wherein an inner cylinder top seat 11 and an inner cylinder base 12 are respectively arranged at two ends of the installation inner cylinder 10, a hydraulic cavity is arranged in the middle of the installation inner cylinder 10 and provided with a piston 14, the hydraulic cavity is divided into an oil inlet cavity 131 and an oil outlet cavity 132 by the piston 14, the inner cylinder base 12 is provided with an oil inlet hole 121 communicated with the oil inlet cavity 131, the piston 14 is provided with a through hole 141 used for communicating the oil inlet cavity 131 with the oil outlet cavity 132, and one side, close to the oil outlet cavity 132, of the piston 14 is provided with a piston rod 15 penetrating through the inner cylinder;
the mounting outer cylinder 20 is sleeved outside the mounting inner cylinder 10, a communicating oil path 30 is arranged between the mounting outer cylinder 20 and the mounting inner cylinder 10, the inner cylinder base 12 is provided with an oil outlet 122 for communicating the communicating oil path 30, the inner cylinder top seat 11 is provided with an oil outlet path 111, and the oil outlet chamber 132 is communicated with the communicating oil path 30 through the oil outlet path 111;
the one-way oil sleeve 40 is sleeved on the piston rod 15 and used for sealing the through hole 141;
the return spring 50 is sleeved on the piston rod 15, the piston rod 15 is provided with a pressing boss 151, one end of the return spring 50 abuts against the one-way oil sleeve 40, and the other end of the return spring 50 abuts against the pressing boss 151;
and one end of the oil pipe 60 is connected with the oil inlet hole 121, the other end of the oil pipe is connected with the oil outlet hole 122, and the oil pipe 60 is provided with a regulating valve 70 for regulating flow.
The inner cylinder footstock 11 and the inner cylinder base 12 are fixed at two ends of the installation inner cylinder 10 and are used for sealing the installation inner cylinder 10, a hydraulic cavity is formed in the middle of the installation inner cylinder 10 and is filled with hydraulic oil, the oil inlet cavity 131 is close to the inner cylinder base 12, the oil outlet cavity 132 is close to the inner cylinder footstock 11, and the through hole 141 in the piston 14 is used for communicating the oil inlet cavity 131 with the oil outlet cavity 132. One end of the return spring 50 abuts against the one-way oil jacket 40, and the other end of the return spring 50 abuts against the abutting boss 151, so that the return spring 50 can drive the one-way oil jacket 40 to press the piston 14, the through hole 141 of the piston 14 is closed, and the oil outlet chamber 132 and the oil inlet chamber 131 are separated. One end of the piston rod 15 penetrates through the inner cylinder top seat 11 and is used for connecting a balancing weight. When the piston rod 15 moves in a return stroke, that is, the piston rod 15 drives the piston 14 to approach the inner cylinder top seat 11, and the volume of the oil outlet chamber 132 is reduced, that is, when the exerciser moves in a return stroke, the one-way oil sleeve 40 is pressed towards the piston 14 by the return spring 50, so as to close the through hole 141 of the piston 14, the hydraulic oil in the oil outlet chamber 132 can only flow out from the oil outlet hole 122 through the oil outlet path 111 and the communication oil path 30, and the hydraulic oil flowing out from the oil outlet hole 122 flows back into the oil inlet hole 121 through the regulating valve 70, and then flows back into the oil inlet chamber 131. When the hydraulic oil flows into the regulating valve 70, the regulating valve 70 can reduce the flow of the hydraulic oil in the oil pipe 60, so that the damping obstructing the flow of the hydraulic oil is increased, namely the sliding damping of the piston 14 is increased, the piston rod 15 can move only by overcoming the flowing damping of the hydraulic oil during the return motion, the effect of buffering and decelerating the counterweight block can be achieved, an exerciser can be protected, and the situation that muscle strain or sprain is caused by the rapid motion or descending of the counterweight block is avoided; during piston rod 15 forward motion, piston rod 15 drive piston 14 is close to inner tube base 12 promptly, when reducing the volume of oil feed chamber 131, when also being the exerciser carries out forward load counter weight and takes exercise, the hydraulic oil of oil feed chamber 131 will pass through-hole 141, push away unidirectional oil jacket 40, let oil feed chamber 131 and oil outlet chamber 132 intercommunication, conveniently let the hydraulic oil in oil feed chamber 131 transition to oil outlet chamber 132 department, hydraulic oil need not flow through governing valve 70, then the exerciser only need overcome the load of balancing weight and piston 14 and take exercise this moment, need not to overcome the damping that hydraulic oil produced through governing valve 70, conveniently adjust counter weight load size, it is more convenient to use, reach the effect that the exerciser wants. When the damping is required to be adjusted, the flow of the oil pipe 60 can be adjusted through the adjusting valve 70, and the larger the flow of the oil pipe 60 is, the smaller the damping of the hydraulic oil is; conversely, the smaller the flow of the oil line 60, the greater the damping of the hydraulic oil.
Referring to fig. 3, preferably, a pull head 152 is disposed at one end of the piston rod 15 extending out of the inner cylinder top seat 11. The slider 152 is used to connect the piston rod 15 to a weight or load to facilitate the installation of the damping device.
Referring to fig. 3, preferably, the inner cylinder base 12 is provided with a mounting hole 123. The mounting hole 123 is used for mounting the inner cylinder base 12 on the fitness equipment, and is convenient to fix.
Referring to fig. 3, in addition to the above, the mounting outer cylinder 20 is provided with a mounting opening 21 at a position corresponding to the mounting hole 123. Namely, the outer cylinder 20 is installed to cover the inner cylinder base 12, so that the inner cylinder base 12 is conveniently installed, the sealing performance is improved, oil leakage is avoided, and the installation hole 123 can be easily connected with the body-building equipment by arranging the installation opening 21.
Referring to fig. 3, preferably, a through groove 22 is formed in the mounting outer cylinder 20 at a position corresponding to the oil outlet 122 and the oil inlet 121. The through groove 22 is used to allow the oil outlet hole 122 and the oil inlet hole 121 to be more conveniently connected to the exposed oil pipe 60, thereby facilitating the installation and use of the regulating valve 70.
Preferably, the pressing boss 151 includes a snap spring, and the piston rod 15 is provided with a snap groove matched with the snap spring. The clamp spring is directly fixed on the clamping groove through clamping, and the installation of the abutting boss 151 is facilitated. In addition, in some specific embodiments, the pressing boss 151 is a fixing sleeve or a clamping rod, which can fix and support the return spring 50.
Referring to fig. 2, preferably, an annular groove 41 is formed at a side of the one-way oil jacket 40 close to the abutting boss 151, and one end of the return spring 50 abuts against the annular groove 41. The annular groove 41 is used for accommodating the return spring 50 and positioning one end of the return spring 50, so that the situation that the end of the return spring 50, which is abutted against the one-way oil sleeve 40, is displaced is avoided. Most preferably, the return spring 50 is a tower spring. One end of the tower-shaped spring is smaller, the other end of the tower-shaped spring is larger, the smaller end of the tower-shaped spring abuts against the abutting boss 151, and the larger end of the tower-shaped spring abuts against the annular groove 41, so that the size of the abutting boss 151 can be reduced, the installation is convenient, the stress area of the one-way oil sleeve 40 can be larger, and the stress is more uniform. In addition, in some specific embodiments, the return spring 50 may be a compression spring or other spring that can provide a spring force.
Referring to fig. 1, preferably, a sealing washer 142 is sleeved on the outer side of the piston 14, and the piston 14 is provided with a sealing groove for placing the sealing washer 142. The sealing washer 142 can prevent the hydraulic oil from flowing from the outside of the piston 14, so as to ensure the sealing performance of the outside of the piston 14 and ensure that the hydraulic oil passes through the through hole 141 as much as possible.
On the basis, there are two sealing washers 142, and correspondingly, there are two sealing grooves. By providing two sealing washers 142, the sealing performance of the outside of the piston 14 can be increased, and the piston 14 can function better.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A hydraulic one-way damping device, comprising:
the oil pump is characterized by comprising an installation inner cylinder (10), wherein an inner cylinder top seat (11) and an inner cylinder base (12) are respectively arranged at two ends of the installation inner cylinder (10), a hydraulic cavity is arranged in the middle of the installation inner cylinder (10), a piston (14) is arranged in the hydraulic cavity, the hydraulic cavity is divided into an oil inlet cavity (131) and an oil outlet cavity (132) by the piston (14), an oil inlet hole (121) communicated with the oil inlet cavity (131) is formed in the inner cylinder base (12), a through hole (141) used for communicating the oil inlet cavity (131) with the oil outlet cavity (132) is formed in the piston (14), and a piston rod (15) penetrating through the inner cylinder top seat (11) is arranged on one side, close to the oil outlet;
the mounting outer cylinder (20) is sleeved on the outer side of the mounting inner cylinder (10), a communicating oil way (30) is arranged between the mounting outer cylinder (20) and the mounting inner cylinder (10), the inner cylinder base (12) is provided with an oil outlet (122) used for communicating the communicating oil way (30), the inner cylinder top seat (11) is provided with an oil outlet way (111), and the oil outlet cavity (132) is communicated with the communicating oil way (30) through the oil outlet way (111);
the one-way oil sleeve (40) is sleeved on the piston rod (15) and used for sealing the through hole (141);
the return spring (50) is sleeved on the piston rod (15), the piston rod (15) is provided with a pressing boss (151), one end of the return spring (50) abuts against the one-way oil sleeve (40), and the other end of the return spring (50) abuts against the pressing boss (151);
and one end of the oil pipe (60) is connected with the oil inlet hole (121), the other end of the oil pipe is connected with the oil outlet hole (122), and the oil pipe (60) is provided with a regulating valve (70) for regulating flow.
2. The hydraulic one-way damping device of claim 1, wherein: and a pull head (152) is arranged at one end of the piston rod (15) extending out of the inner cylinder top seat (11).
3. A hydraulic one-way damping device according to claim 2, wherein: the inner cylinder base (12) is provided with a mounting hole (123).
4. A hydraulic one-way damping device according to claim 3, wherein: and a mounting opening (21) is formed in the mounting outer cylinder (20) corresponding to the mounting hole (123).
5. The hydraulic one-way damping device of claim 1, wherein: and a through groove (22) is formed in the position, corresponding to the oil outlet (122) and the oil inlet (121), of the mounting outer cylinder (20).
6. The hydraulic one-way damping device of claim 1, wherein: the pressing boss (151) comprises a clamp spring, and the piston rod (15) is provided with a clamping groove matched with the clamp spring.
7. The hydraulic one-way damping device of claim 1, wherein: one side of the one-way oil sleeve (40) close to the abutting boss (151) is provided with an annular groove (41), and one end of the return spring (50) abuts against the annular groove (41).
8. The hydraulic one-way damping device of claim 7, wherein: the return spring (50) is a tower-shaped spring.
9. A hydraulic unidirectional damping device according to any one of claims 1 to 8, wherein: the outside cover of piston (14) is equipped with seal ring (142), piston (14) are provided with and are used for placing seal ring (142)'s seal groove.
10. A hydraulic one-way damping device according to claim 9, wherein: there are two sealing washers (142), and correspondingly, there are two sealing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023822.6U CN210447960U (en) | 2019-07-01 | 2019-07-01 | Hydraulic one-way damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023822.6U CN210447960U (en) | 2019-07-01 | 2019-07-01 | Hydraulic one-way damping device |
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| Publication Number | Publication Date |
|---|---|
| CN210447960U true CN210447960U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921023822.6U Active CN210447960U (en) | 2019-07-01 | 2019-07-01 | Hydraulic one-way damping device |
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| CN (1) | CN210447960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393888A (en) * | 2019-07-01 | 2019-11-01 | 西脉国际医疗股份有限公司 | A kind of hydraulic unidirectional damping device |
-
2019
- 2019-07-01 CN CN201921023822.6U patent/CN210447960U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393888A (en) * | 2019-07-01 | 2019-11-01 | 西脉国际医疗股份有限公司 | A kind of hydraulic unidirectional damping device |
| CN110393888B (en) * | 2019-07-01 | 2024-04-02 | 动能趋势(广东)运动康复有限公司 | Hydraulic unidirectional damping device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210712 Address after: No.19 Bei'an North Road, Huicheng street, Xinhui District, Jiangmen City, Guangdong Province, 529100 Patentee after: Kinetic energy trend (Guangdong) sports rehabilitation Co.,Ltd. Address before: 529100 Bei'an North Road, Xinhui District, Jiangmen City, Guangdong Province, No. 19 Patentee before: Ximai International Medical Co.,Ltd. |
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| TR01 | Transfer of patent right |