CN214578526U - Hydraulic damping type bidirectional fixed speed controller - Google Patents
Hydraulic damping type bidirectional fixed speed controller Download PDFInfo
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- CN214578526U CN214578526U CN202120554778.2U CN202120554778U CN214578526U CN 214578526 U CN214578526 U CN 214578526U CN 202120554778 U CN202120554778 U CN 202120554778U CN 214578526 U CN214578526 U CN 214578526U
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Abstract
The utility model relates to a hydraulic damping type bidirectional fixed speed controller, which comprises an end seat, a base, an outer cylinder body, an inner cylinder body, a piston rod and a piston head, wherein the end seat is provided with a first pipeline communicated with a first inner cavity and an outer cavity, and the first pipeline is provided with a first check valve used for blocking when the piston rod is stretched and opening when the piston rod is compressed; the base is provided with a second pipeline which is communicated with the second inner cavity and the outer cavity, and the second pipeline is provided with a second one-way valve which is used for opening when the piston rod is stretched and blocking when the piston rod is compressed; the two ends of the inner cylinder body are respectively provided with a first torrent hole and a second torrent hole, the first torrent hole is communicated with the first inner cavity and the outer cavity, and the second torrent hole is communicated with the second inner cavity and the outer cavity; the second pipeline is communicated with the oil filling port, and a blocking bolt is arranged in the oil filling port; the outer wall of the inner cylinder body and the inner cavity are also sleeved with a foam energy accumulator. The hydraulic damping type bidirectional fixed speed controller with the structure has good damping performance, is stable and durable in structure, and meets the medium-sized load application scene.
Description
Technical Field
The utility model relates to a two-way fixed type speed controller of hydraulic damping formula belongs to hydraulic pressure and equips technical field, is particularly useful for medium-sized machinery.
Background
The design of the hydraulic damping type bidirectional fixed speed controller needs to meet the requirements of controlling the movement speed of mechanical equipment within the stroke range of a piston rod, realizing stable and controllable mechanical operation, and meanwhile, aiming at the field of medium-sized machinery, certain requirements are required on hydraulic pressure, and the damper is generally required to provide good damping performance in a short stroke, so that a good damping protection effect is ensured to be obtained in a medium-sized load application scene. Therefore, the requirements for the damper, i.e., the speed controller, are high, and the damper is required to have not only good damping but also a stable and durable structure. And therefore, it is necessary to redesign it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-way fixed type speed controller of hydraulic damping formula, it has good damping performance, and the structure is firm durable, can satisfy medium-sized load application scene.
A hydraulic damping type bidirectional fixed speed controller comprises an end seat, a base, an outer cylinder body, an inner cylinder body, a piston rod and a piston head fixed at one end of the piston rod, wherein the end seat and the base are fixed at two ends of the outer cylinder body and the inner cylinder body in a sealing mode, the inner cylinder body is fixedly sleeved inside the outer cylinder body, an outer cavity is formed between the inner cylinder body and the outer cylinder body, the piston head is arranged in the inner cylinder body in a sliding sealing mode, the piston rod penetrates through the end seat in a sealing mode through the end seat in a movable mode, the piston head divides the inner cylinder body into a first inner cavity close to one side of the end seat and a second inner cavity close to one side of the base,
the end seat is provided with a first pipeline which is communicated with the first inner cavity and the outer cavity, and the first pipeline is provided with a first one-way valve which is used for being blocked when the piston rod is stretched and opened when the piston rod is compressed;
the base is provided with a second pipeline which is communicated with the second inner cavity and the outer cavity, and the second pipeline is provided with a second one-way valve which is used for opening when the piston rod is stretched and blocking when the piston rod is compressed;
a first torrent hole and a second torrent hole are respectively arranged at two ends of the inner cylinder body, the first torrent hole is communicated with the first inner cavity and the outer cavity, and the second torrent hole is communicated with the second inner cavity and the outer cavity;
the second pipeline is communicated with the oil filling port, and a blocking bolt is arranged in the oil filling port and used for blocking the oil filling port after hydraulic oil is filled; the outer wall of the inner cylinder body is positioned in the outer cavity, and a foam energy accumulator is further sleeved in the outer cavity.
According to the utility model discloses a preferred embodiment, first check valve is being close to including setting up the first steel ball of first inner chamber one end holds chamber and first steel ball, the internal diameter that first steel ball held the chamber is greater than first steel ball diameter is located first steel ball holds the chamber and still fixes and be equipped with first baffle for the restriction the activity space of first steel ball.
According to the utility model discloses a preferred embodiment, the second check valve is being close to including setting up the second steel ball of second inner chamber one end holds chamber and second steel ball, the second steel ball holds the internal diameter in chamber and is greater than second steel ball diameter is located the second steel ball holds the chamber and still fixes being equipped with the second baffle for the restriction the activity space of second steel ball.
According to a preferred embodiment of the present invention, the inner cylinder is respectively screwed and axially abutted to the end seat and the base; the outer cylinder body is respectively in threaded connection with the end seat and the base, one end of the outer cylinder body is axially abutted to the base, the other end of the outer cylinder body is axially abutted to the end cover, and the end cover is in threaded connection with the end of the end seat.
According to the utility model discloses a preferred embodiment, the piston head with between the interior cylinder body, the piston rod with between the end seat, the end seat with between the interior cylinder body, between end seat and the outer cylinder body, the base with between the interior cylinder body and the base with between the outer cylinder body, above-mentioned each position department is equipped with the sealing washer respectively.
According to a preferred embodiment of the present invention, a wear ring is further sleeved between the piston head and the inner cylinder body.
According to a preferred embodiment of the present invention, the foam energy accumulator is sleeved between the first torrent hole and the second torrent hole, a first baffle plate is disposed between the first torrent hole and the foam energy accumulator, and a first retaining ring is disposed between the first torrent hole and the first baffle plate; a second guide plate is arranged between the second jet hole and the foam energy accumulator, and a second check ring is arranged between the second jet hole and the second guide plate; the first check ring and the second check ring are nested on the outer wall of the inner cylinder body and used for limiting the axial movement of the first guide plate, the second guide plate and the foam energy accumulator.
According to the utility model discloses a preferred embodiment, the radial width of first retaining ring, the second retaining ring, first guide plate and second guide plate suit is less than the radial width of exocoel.
On the basis of the common knowledge in the field, the above preferred embodiments can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses a two-way fixed type speed controller of hydraulic damping formula, including the end seat, a pedestal, the outer cylinder body, the inner cylinder body, the piston rod and fix the piston head in piston rod one end, the end seat, the sealed both ends of fixing at outer cylinder body and inner cylinder body of base, the fixed cover of inner cylinder body is established in the inside of outer cylinder body, form the exocoel between inner cylinder body and the outer cylinder body, piston head sliding seal cover is established in the inner cylinder body, the piston rod passes through the end seat sealedly and the activity runs through the end seat, the piston head cuts apart the inner cylinder body and is the first inner chamber that is close to end seat one side and the second inner chamber that is close to base one side, be equipped with the first pipeline that feeds through first inner chamber and exocoel on the end seat, be equipped with first check valve on the first pipeline, in order to block up when the piston rod is tensile, open when compressing; the base is provided with a second pipeline which is communicated with the second inner cavity and the outer cavity, and the second pipeline is provided with a second one-way valve which is used for opening when the piston rod is stretched and blocking when the piston rod is compressed; the two ends of the inner cylinder body are respectively provided with a first torrent hole and a second torrent hole, the first torrent hole is communicated with the first inner cavity and the outer cavity, and the second torrent hole is communicated with the second inner cavity and the outer cavity; the second pipeline is communicated with the oil filling port, and a plugging bolt is arranged in the oil filling port and used for plugging the oil filling port after hydraulic oil is filled; the outer wall of the inner cylinder body and the inner cavity are also sleeved with a foam energy accumulator. When the piston rod is stretched, the first one-way valve blocks the first pipeline, the second one-way valve is opened, and hydraulic oil in the first inner cavity flows into the outer cavity through the first torrent hole and flows to the second inner cavity through the second torrent hole and the second pipeline; when the piston rod is compressed, the first pipeline is opened by the first one-way valve, the second pipeline is blocked by the second one-way valve, and hydraulic oil in the second inner cavity flows into the outer cavity through the second torrent hole and flows to the first inner cavity through the first torrent hole and the first pipeline. The hydraulic damping type bidirectional fixed speed controller with the structure has good damping performance, is stable and durable in structure, and meets the medium-sized load application scene.
For a better understanding of the above and other objects, features, advantages and functions of the present invention, reference should be made to the preferred embodiments illustrated in the accompanying drawings. It will be appreciated by persons skilled in the art that the drawings are intended to illustrate preferred embodiments of the invention without any limiting effect on the scope of the invention, and that the various components in the drawings are not to scale.
Drawings
For a better understanding of the above and other objects, features, advantages and functions of the present invention, reference should be made to the preferred embodiments illustrated in the accompanying drawings. It will be appreciated by persons skilled in the art that the drawings are intended to illustrate preferred embodiments of the invention without any limiting effect on the scope of the invention, and that the various components in the drawings are not to scale.
Fig. 1 is a schematic structural diagram of a preferred embodiment of a hydraulic damping type two-way fixed speed controller according to the present invention.
Description of reference numerals:
an end seat 1; a base 2; an outer cylinder body 3; an inner cylinder 4; a piston rod 5; a piston head 6; an outer chamber 7; a first inner cavity 8 a; a second inner cavity 8 b; a first pipeline 9; a first check valve 10; a second pipeline 11; a second check valve 12; a first orifice 13; a second orifice 14; an oil filling port 15; a blocking bolt 16; a foam accumulator 17; a first steel ball accommodating chamber 10 a; a first steel ball 10 b; a first baffle plate 10 c; a second steel ball accommodating chamber 12 a; a second steel ball 12 b; a second baffle plate 12 c; an end cap 18; a wear ring 19; a first baffle 20; a first retainer ring 21; a second baffle 22; a second stopper ring 23; an end cap 24.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. Reference will now be made in detail to the preferred embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following preferred embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely preferred embodiments of the device and method in accordance with aspects of the invention as detailed in the appended claims, on the basis of which other ways of implementing the invention may be conceived by those skilled in the art, which likewise fall within the scope of the invention. In the following detailed description, directional terms, such as "upper", "lower", "inner", "outer", "longitudinal", "lateral", and the like, are used with reference to the orientation depicted in the accompanying drawings. The components of embodiments of the present invention can be positioned in a variety of orientations, and the directional terminology is used for purposes of illustration and is in no way limiting.
As shown in fig. 1, a hydraulic damping type two-way fixed speed controller comprises an end seat 1, a base 2, an outer cylinder 3, an inner cylinder 4, a piston rod 5 and a piston head 6 fixed at one end of the piston rod 5, wherein the end seat 1 and the base 2 are fixed at two ends of the outer cylinder 3 and the inner cylinder 4 in a sealing manner, the inner cylinder 4 is fixedly sleeved inside the outer cylinder 3, an outer cavity 7 is formed between the inner cylinder 4 and the outer cylinder 3, the piston head 6 is sleeved in the inner cylinder 4 in a sliding and sealing manner, the piston rod 5 penetrates through the end seat 1 in a sealing manner through the end seat 1, the piston head 6 divides the inner cylinder 4 into a first inner cavity 8a close to one side of the end seat 1 and a second inner cavity 8b close to one side of the base 2, a first pipeline 9 communicating the first inner cavity 8a with the outer cavity 7 is arranged on the end seat 1, the first pipeline 9 is provided with a first one-way valve 10 which is used for being blocked when the piston rod 5 is stretched and opened when the piston rod is compressed; a second pipeline 11 for communicating the second inner cavity 8b with the outer cavity 7 is arranged on the base 2, and a second one-way valve 12 is arranged on the second pipeline 11 and is used for opening when the piston rod 5 is stretched and blocking when the piston rod is compressed; a first orifice 13 and a second orifice 14 are respectively arranged at two ends of the inner cylinder 4, the first orifice 13 is communicated with the first inner cavity 8a and the outer cavity 7, and the second orifice 14 is communicated with the second inner cavity 8b and the outer cavity 7; the second pipeline 11 is communicated with an oil filling port 15, and a blocking bolt 16 is arranged in the oil filling port 15 and used for blocking the oil filling port 15 after hydraulic oil is filled; the outer wall of the inner cylinder body 4 is also sleeved with a foam energy accumulator 17 in the outer cavity 7.
The basis the utility model discloses, first check valve 10 is being close to including setting up the first steel ball of 8a one ends of first inner chamber holds chamber 10a and first steel ball 10b, the internal diameter that first steel ball held chamber 10a is greater than first steel ball 10b diameter is located first steel ball holds chamber 10a and still fixes being equipped with first baffle 10c, is used for the restriction first steel ball 10 b's activity space.
The basis the utility model discloses, second check valve 12 is being close to including setting up the second steel ball of 8b one end of second inner chamber holds chamber 12a and second steel ball 12b, the second steel ball holds the internal diameter that chamber 12a is greater than second steel ball 12b diameter is located the second steel ball holds chamber 12b and still fixes being equipped with second baffle 12c, is used for the restriction second steel ball 12 b's activity space.
In this embodiment, the first baffle 10c and the second baffle 12c are fixed by a partial interference fit, which not only ensures the circulation, but also meets the installation and fixation requirements, and avoids the blockage. Of course, the first baffle and the second baffle may be replaced by a fixed inserted stop lever or a stop lever bolt, and will not be described again.
According to the utility model, the inner cylinder body 4 is respectively connected with the end seat 1 and the base 2 by screw threads and is axially abutted; the outer cylinder body 3 is respectively in threaded connection with the end seat 1 and the base 2, one end of the outer cylinder body 3 is axially abutted to the base 2, the other end of the outer cylinder body is axially abutted to the end cover 18, and the end cover 18 is in threaded connection with the end part of the end seat 1.
According to the utility model discloses, piston head 6 with between the interior cylinder body 4 the piston rod 5 with between the end seat 1 with between the interior cylinder body 4 between end seat 1 and the exterior cylinder body 3 base 2 with between the interior cylinder body 4 and base 2 with between the exterior cylinder body 3, above-mentioned each position department is equipped with the sealing washer respectively. The sealing ring is arranged in a necessary and common technology in the hydraulic field and is arranged at different positions according to requirements, and the specific arrangement mode is not repeated.
According to the utility model discloses, the piston head 6 with still overlap and be equipped with wear ring 19 between the interior cylinder body 4.
According to the present invention, the foam energy accumulator 17 is sleeved between the first orifice 13 and the second orifice 14, a first baffle plate 20 is disposed between the first orifice 13 and the foam energy accumulator 17, and a first check ring 21 is disposed between the first orifice 13 and the first baffle plate 20; a second guide plate 22 is arranged between the second orifice 14 and the foam accumulator 17, and a second baffle ring 23 is arranged between the second orifice 14 and the second guide plate 22; the first retainer ring 21 and the second retainer ring 23 are nested on the outer wall of the inner cylinder 4 to limit the axial movement of the first baffle 20, the second baffle 22 and the foam accumulator 17.
According to the utility model discloses, first retaining ring 21 the second retaining ring 23 the radial width of first guide plate 20 and the second guide plate 22 suit is less than the radial width of exocoel 7.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims. The above description is only for the purpose of illustrating embodiments of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A hydraulic damping type two-way fixed speed controller comprises an end seat, a base, an outer cylinder body, an inner cylinder body, a piston rod and a piston head fixed at one end of the piston rod, wherein the end seat and the base are fixed at two ends of the outer cylinder body and the inner cylinder body in a sealing manner, the inner cylinder body is fixedly sleeved in the outer cylinder body, an outer cavity is formed between the inner cylinder body and the outer cylinder body, the piston head is arranged in the inner cylinder body in a sliding sealing manner, the piston rod penetrates through the end seat in a sealing manner and movably, the piston head divides the inner cylinder body into a first inner cavity close to one side of the end seat and a second inner cavity close to one side of the base,
the end seat is provided with a first pipeline which is communicated with the first inner cavity and the outer cavity, and the first pipeline is provided with a first one-way valve which is used for being blocked when the piston rod is stretched and opened when the piston rod is compressed;
the base is provided with a second pipeline which is communicated with the second inner cavity and the outer cavity, and the second pipeline is provided with a second one-way valve which is used for opening when the piston rod is stretched and blocking when the piston rod is compressed;
a first torrent hole and a second torrent hole are respectively arranged at two ends of the inner cylinder body, the first torrent hole is communicated with the first inner cavity and the outer cavity, and the second torrent hole is communicated with the second inner cavity and the outer cavity;
the second pipeline is communicated with the oil filling port, and a blocking bolt is arranged in the oil filling port and used for blocking the oil filling port after hydraulic oil is filled; the outer wall of the inner cylinder body is positioned in the outer cavity, and a foam energy accumulator is further sleeved in the outer cavity.
2. The hydraulically damped, bi-directional fixed speed controller as set forth in claim 1 wherein said first check valve includes a first ball receiving chamber and a first ball disposed proximate an end of said first inner chamber, said first ball receiving chamber having an inner diameter greater than a diameter of said first ball, said first ball receiving chamber further having a first stop fixedly disposed therein for limiting a movement space of said first ball.
3. The hydraulically damped bi-directional fixed velocity controller of claim 1, wherein said second check valve comprises a second ball receiving chamber and a second ball disposed near an end of said second inner chamber, said second ball receiving chamber having an inner diameter larger than a diameter of said second ball, and a second baffle plate fixedly disposed in said second ball receiving chamber for limiting a movement space of said second ball.
4. The hydraulically damped, bi-directional fixed speed controller of claim 1 wherein said inner cylinder is threaded and axially abuts said end mount and said base, respectively; the outer cylinder body is respectively in threaded connection with the end seat and the base, one end of the outer cylinder body is axially abutted to the base, the other end of the outer cylinder body is axially abutted to the end cover, and the end cover is in threaded connection with the end of the end seat.
5. The hydraulically damped, two-way fixed speed controller of claim 4 wherein sealing rings are disposed between said piston head and said inner cylinder, between said piston rod and said end seat, between said end seat and said inner cylinder, between said end seat and said outer cylinder, between said base and said inner cylinder, and between said base and said outer cylinder.
6. The hydraulically damped, bi-directional fixed speed controller of claim 1 wherein a wear ring is further interposed between said piston head and said inner cylinder.
7. The hydraulic damping type two-way fixed speed controller according to claim 1, wherein the foam accumulator is sleeved between the first orifice and the second orifice, a first baffle plate is arranged between the first orifice and the foam accumulator, and a first check ring is arranged between the first orifice and the first baffle plate; a second guide plate is arranged between the second jet hole and the foam energy accumulator, and a second check ring is arranged between the second jet hole and the second guide plate; the first check ring and the second check ring are nested on the outer wall of the inner cylinder body and used for limiting the axial movement of the first guide plate, the second guide plate and the foam energy accumulator.
8. The hydraulically damped, two-way fixed speed controller of claim 7, wherein the radial width of said first retainer, said second retainer, said first baffle, and said second baffle in combination is less than the radial width of said outer chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554778.2U CN214578526U (en) | 2021-03-18 | 2021-03-18 | Hydraulic damping type bidirectional fixed speed controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554778.2U CN214578526U (en) | 2021-03-18 | 2021-03-18 | Hydraulic damping type bidirectional fixed speed controller |
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| CN214578526U true CN214578526U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120554778.2U Active CN214578526U (en) | 2021-03-18 | 2021-03-18 | Hydraulic damping type bidirectional fixed speed controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879480A (en) * | 2021-03-18 | 2021-06-01 | 普力莱(苏州)智能科技有限公司 | Hydraulic damping type bidirectional fixed speed controller |
-
2021
- 2021-03-18 CN CN202120554778.2U patent/CN214578526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879480A (en) * | 2021-03-18 | 2021-06-01 | 普力莱(苏州)智能科技有限公司 | Hydraulic damping type bidirectional fixed speed controller |
| CN112879480B (en) * | 2021-03-18 | 2024-05-28 | 普力莱(苏州)智能科技有限公司 | Hydraulic damping type bidirectional fixed speed controller |
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