CN217518988U - Magnetic force buffering structure for piston in hydraulic cylinder - Google Patents
Magnetic force buffering structure for piston in hydraulic cylinder Download PDFInfo
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- CN217518988U CN217518988U CN202221665068.8U CN202221665068U CN217518988U CN 217518988 U CN217518988 U CN 217518988U CN 202221665068 U CN202221665068 U CN 202221665068U CN 217518988 U CN217518988 U CN 217518988U
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- piston
- assembly
- magnetic ring
- subassembly
- magnetic
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 16
- 230000005389 magnetism Effects 0.000 claims description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a magnetic force buffering structure of a piston in a hydraulic cylinder, which comprises a magnetic ring component and a piston component, one end of the magnetic ring component is connected with a rear cover component, the other end of the magnetic ring component is connected with a cylinder barrel component, the piston component is arranged in the cylinder barrel component and can move along the axial direction of the cylinder barrel component, the top of the magnetic ring component is connected with a current controller component, one end of the piston component is provided with a magnet, the magnetic ring component is externally connected with the current controller component through a wire, the current controller component controls the current of the magnetic ring component to form electromagnetic force, forming repulsive force with the magnetic force of the magnet on the piston assembly to form a magnetic buffer structure, the current controller component is adjusted according to different inertia forces of the piston component, so that the buffering effect can be achieved, and the piston runs stably, is safe and reliable in buffering and is convenient to adjust.
Description
Technical Field
The utility model belongs to the technical field of pneumatic cylinder buffer structure, concretely relates to piston magnetic force buffer structure in pneumatic cylinder.
Background
At present, the traditional hydraulic cylinder piston buffering structure is mainly based on the principle of small hole throttling, and the working process of the traditional hydraulic cylinder piston buffering structure is that when a piston moves in a cylinder at a certain speed, when a part of the piston is in contact with a cylinder body part, because the part of the piston is matched with the cylinder body part, a part of hydraulic oil is trapped in the cylinder body part, the piston continues to keep the original movement due to inertia, the hydraulic oil trapped in the cylinder body part can only be discharged back to a cylinder body oil port through a throttling hole, and the hydraulic oil forms a reaction force under the action of the throttling hole, so that the piston is decelerated, and the buffering purpose is achieved.
Traditional pneumatic cylinder piston buffer structure constructs complicacy, characteristics such as inconvenient regulation, rely on experience to estimate the size of orifice more in-service use, often be difficult to control buffering effect to traditional pneumatic cylinder piston buffer structure constructs complicacy, and the processing difficulty, and the machining precision requires highly, and the adjustment is difficult, and the aperture throttle arouses the oil temperature to rise easily, is unfavorable for the heat dissipation, and the aperture also blocks up etc. easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a buffering safe and reliable, convenient pneumatic cylinder inner piston magnetic force buffer structure who adjusts, it is complicated to have solved the buffer structure that proposes in the background art, the problem of inconvenient mediation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piston magnetic force buffer structure in pneumatic cylinder, includes magnetic ring subassembly, piston assembly, magnetic ring subassembly one end is connected with the back shroud subassembly, and the other end is connected with the cylinder subassembly, piston assembly sets up inside the cylinder subassembly and can follow the axis direction of cylinder subassembly removes, the magnetic ring subassembly top is connected with the current controller subassembly, piston assembly's one end is provided with magnet.
As a pneumatic cylinder inner piston magnetic force buffer structure's an preferred scheme, back shroud subassembly one end is provided with the boss, the magnetic ring subassembly is provided with the recess, the boss ability of back shroud subassembly with the recess block of magnetic ring subassembly.
As a pneumatic cylinder inner piston magnetic force buffer structure's an preferred scheme, the both ends of magnetic ring subassembly are provided with first sealing washer and second sealing washer respectively, first sealing washer is used for the magnetic ring subassembly with sealed between the cylinder subassembly, the second sealing washer is used for the magnetic ring subassembly with sealed between the back shroud subassembly.
As an optimal scheme of piston magnetic force buffer structure in pneumatic cylinder, a plurality of through-hole has been seted up along the circumferencial direction to the back shroud subassembly, the through-hole rather than corresponding is seted up to the magnetic ring subassembly, the screw hole rather than corresponding is seted up to the cylinder subassembly, will through the second bolt the back shroud subassembly the magnetic ring subassembly the cylinder subassembly is firmly connected.
As an optimal scheme of piston magnetic force buffer structure in pneumatic cylinder, the piston assembly with be provided with the magnetism isolating pad between the magnet, the quantity of magnet and the quantity of magnetism isolating pad all are provided with a plurality of.
As a pneumatic cylinder inner piston magnetic force buffer structure's an optimal selection scheme, the right-hand member of magnet is provided with the clamp plate, the clamp plate through first bolt with piston assembly is firmly connected.
As a pneumatic cylinder inner piston magnetic force buffer structure's an preferred scheme, the magnetic ring subassembly is hollow structure, the internal diameter D of magnetic ring subassembly is greater than the external diameter D of clamp plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a piston magnetic force buffer structure in pneumatic cylinder, piston assembly one end sets up magnet, set up magnetic ring subassembly between back shroud subassembly and cylinder subassembly, the magnetic ring subassembly is through wired external current controller subassembly, current controller subassembly control magnetic ring subassembly electric current forms the electromagnetic force, form the counter-force of mutual repulsion with the magnetic force of the last magnet of piston assembly, thereby form magnetic force buffer structure, adjust the current controller subassembly according to the different inertial force of piston assembly and can reach the buffering effect, thereby make the piston operation stable, the buffering safe and reliable, convenient regulation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a right side view of the present invention.
In the figure: 1. a cylinder barrel assembly; 2. a piston assembly; 3. a magnetic isolation pad; 4. a magnet; 5. pressing a plate; 6. a first seal ring; 7. a magnetic ring assembly; 8. a second seal ring; 9. a current controller assembly; 10. a rear cover assembly; 11. a first bolt; 12. and a second bolt.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
It should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships, are merely used for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
It should be understood that the terms "first," "second," and the like, as used herein to describe various components, should not be limited by these terms, but are used primarily to distinguish one component from another. In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are intended to be construed broadly unless otherwise specifically indicated and limited.
Referring to fig. 1-2, the magnetic force buffering structure for the piston in the hydraulic cylinder of the present embodiment includes a cylinder barrel assembly 1, a piston assembly 2, a magnetic isolation pad 3, a magnet 4, a pressing plate 5, a first sealing ring 6, a magnetic ring assembly 7, a second sealing ring 8, a current controller assembly 9, a rear cover assembly 10, a first bolt 11, and a second bolt 12.
Magnetic ring subassembly 7 is hollow structure, magnetic ring subassembly 7 one end is connected with rear cover subassembly 10, the other end is connected with cylinder subassembly 1, magnetic ring subassembly 7's both ends are provided with first sealing washer 6 and second sealing washer 8 respectively, first sealing washer 6 is used for the sealed between magnetic ring subassembly 7 and the cylinder subassembly 1, second sealing washer 8 is used for the sealed between magnetic ring subassembly 7 and the rear cover subassembly 10, magnetic ring subassembly 7 top is connected with current controller subassembly 9, the size of magnetic force is produced to steerable magnetic ring subassembly 7 of electric current size through adjusting current controller subassembly 9.
Piston assembly 2 sets up inside cylinder subassembly 1 and can follow cylinder subassembly 1's axis direction and remove, piston assembly 2's tip is provided with the recess, magnetic isolation pad 3 and magnet 4 have been placed to recess inside, the quantity of magnet 4 and magnetic isolation pad 3's quantity equal, magnet 4's one end is provided with clamp plate 5, clamp plate 5 is made by high strength non-metallic material usually, clamp plate 5 is firmly connected with piston assembly 2 through first bolt 11, magnetic ring subassembly 7's inner diameter D is greater than clamp plate 5's outer diameter D, thereby make clamp plate 5 and magnetic ring subassembly 7 not bump, the security of system has been guaranteed.
Piston magnetic force buffer structure in pneumatic cylinder described in this embodiment, specific use as follows: after the installation of piston magnetic force buffer structure finishes in the pneumatic cylinder, at first need inspect the fastness and the sealed reliability at each connection position, switch on current controller subassembly 9 again, guarantee the magnetic force that magnetic ring subassembly 7 produced and the magnetic force repulsion that magnet 4 produced, when piston assembly 2 moved right along the axis direction of cylinder subassembly 1 and was close to gradually to the magnetic ring subassembly 7 on right side, the resistance that piston assembly 2 received is bigger and bigger, piston assembly 2's velocity of motion can reduce until stopping, thereby realize that the piston is stable, safe and reliable's buffering.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a piston magnetic force buffer structure in pneumatic cylinder, its characterized in that includes magnetic ring subassembly (7), piston assembly (2), magnetic ring subassembly (7) one end is connected with back shroud subassembly (10), and the other end is connected with cylinder subassembly (1), piston assembly (2) set up inside cylinder subassembly (1) and can follow the axis direction of cylinder subassembly (1) removes, magnetic ring subassembly (7) top is connected with current controller subassembly (9), the one end of piston assembly (2) is provided with magnet (4).
2. The magnetic buffering structure of the piston in the hydraulic cylinder according to claim 1, characterized in that a boss is arranged at one end of the rear cover assembly (10), the magnetic ring assembly (7) is provided with a groove, and the boss of the rear cover assembly (10) can be clamped with the groove of the magnetic ring assembly (7).
3. The magnetic buffering structure for the piston in the hydraulic cylinder according to claim 1, wherein a first sealing ring (6) and a second sealing ring (8) are respectively arranged at two ends of the magnetic ring assembly (7), the first sealing ring (6) is used for sealing between the magnetic ring assembly (7) and the cylinder barrel assembly (1), and the second sealing ring (8) is used for sealing between the magnetic ring assembly (7) and the rear cover assembly (10).
4. The magnetic buffering structure for the piston in the hydraulic cylinder according to claim 2, wherein the rear cover assembly (10) is provided with a plurality of through holes along a circumferential direction, the magnetic ring assembly (7) is provided with through holes corresponding to the through holes, the cylinder barrel assembly (1) is provided with threaded holes corresponding to the through holes, and the rear cover assembly (10), the magnetic ring assembly (7) and the cylinder barrel assembly (1) are firmly connected through second bolts (12).
5. The magnetic force buffering structure of the piston in the hydraulic cylinder according to claim 1, characterized in that a plurality of magnetism isolating pads (3) are arranged between the piston assembly (2) and the magnets (4), and the number of the magnets (4) and the number of the magnetism isolating pads (3) are provided.
6. The magnetic force buffering structure for the piston in the hydraulic cylinder according to claim 5, characterized in that a pressure plate (5) is arranged at the right end of the magnet (4), and the pressure plate (5) is firmly connected with the piston assembly (2) through a first bolt (11).
7. The magnetic buffering structure of the piston in the hydraulic cylinder according to claim 6, characterized in that the magnetic ring assembly (7) is a hollow structure, and the inner diameter D of the magnetic ring assembly (7) is larger than the outer diameter D of the pressure plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665068.8U CN217518988U (en) | 2022-06-30 | 2022-06-30 | Magnetic force buffering structure for piston in hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665068.8U CN217518988U (en) | 2022-06-30 | 2022-06-30 | Magnetic force buffering structure for piston in hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217518988U true CN217518988U (en) | 2022-09-30 |
Family
ID=83394101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221665068.8U Active CN217518988U (en) | 2022-06-30 | 2022-06-30 | Magnetic force buffering structure for piston in hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217518988U (en) |
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2022
- 2022-06-30 CN CN202221665068.8U patent/CN217518988U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A magnetic buffering structure for piston in hydraulic cylinder Granted publication date: 20220930 Pledgee: Agricultural Bank of China Limited Hubei pilot Free Trade Zone Wuhan Area Branch Pledgor: WUHAN QIDAKANG ENERGY EQUIPMENT CO.,LTD. Registration number: Y2024980029364 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |