CN219754952U - Shock attenuation formula hydraulic cylinder assembly - Google Patents
Shock attenuation formula hydraulic cylinder assembly Download PDFInfo
- Publication number
- CN219754952U CN219754952U CN202321157898.4U CN202321157898U CN219754952U CN 219754952 U CN219754952 U CN 219754952U CN 202321157898 U CN202321157898 U CN 202321157898U CN 219754952 U CN219754952 U CN 219754952U
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- China
- Prior art keywords
- cylinder
- fixed
- cylinder barrel
- sliding
- spring
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- 230000035939 shock Effects 0.000 title claims description 11
- 238000010304 firing Methods 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a damping type hydraulic cylinder assembly, which comprises a cylinder barrel, wherein an opening is formed in one end of the cylinder barrel, a cylinder cover is arranged at the opening, a mirror image anti-collision top assembly is arranged in the cylinder barrel and close to the inner wall of the cylinder cover, an anti-collision bottom assembly is arranged at one end, far away from the cylinder cover, of the cylinder barrel, a piston is connected in the cylinder barrel in a sliding mode, a hydraulic rod is fixed on one side of the piston, and a firing pin is fixed on the other side of the piston.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a damping type hydraulic cylinder assembly.
Background
The hydraulic cylinder is an energy conversion device for converting hydraulic energy into mechanical energy for reciprocating rectilinear motion, and the hydraulic cylinder can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines.
Through retrieval, the utility model has the following publication number: the utility model provides a CN 217539168U's shock-absorbing hydraulic cylinder, includes hydraulic cylinder body and installation lid, sealed arc wall has all been seted up to the inboard of hydraulic cylinder body, one side of hydraulic cylinder body is provided with the installation lid, and installation lid one side install with hydraulic cylinder body inner wall assorted first sealing block, the removal groove has all been seted up to the inside top and the bottom of hydraulic cylinder body, and the fixed slot has been seted up to the inner wall of removal groove one side hydraulic cylinder body, the spacing groove has all been seted up to the inboard of installation lid, the movable slot has all been seted up to the inside top and the bottom of installation lid. This shock-absorbing hydraulic cylinder, through hydraulic oil extrusion activity stopper for the activity stopper extrudees to the third spring, then the movable rod extrudees the arc elastic plate in the sleeve, thereby the arc elastic plate takes place to contract, and then drives the activity stopper under arc elastic plate and the effect of third spring self elasticity and reset, plays good shock attenuation buffering effect.
The damping of the damping hydraulic cylinder is realized through the piston, but a buffer component is not arranged at the part close to the cylinder cover, so that the cylinder cover is easy to be impacted by the piston in the use process, and the cylinder cover is loosened or damaged.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a damping hydraulic cylinder assembly, which solves the problem that an inner cylinder cover provided in the background art is easy to loose or damage due to the impact of a piston.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a shock attenuation formula hydraulic cylinder assembly, includes the cylinder, cylinder one end is equipped with the opening, and the opening part is equipped with the cylinder cap, the inside inner wall that is close to the cylinder cap of cylinder is equipped with the anticollision top subassembly of mirror image, the inside one end of keeping away from the cylinder cap of cylinder is equipped with the anticollision bottom subassembly, the inside sliding connection of cylinder has the piston, piston one side is fixed with the hydraulic stem, and the opposite side is fixed with the firing pin.
Preferably, the cylinder cover is in threaded connection with the opening of the cylinder barrel, and one end of the hydraulic rod penetrates through the cylinder cover to the inside of the cylinder barrel and is fixedly connected with the center of one side of the piston.
Preferably, a first inlet and a second outlet which are communicated with the inside of the cylinder barrel are respectively arranged at one side of the cylinder barrel close to two ends of the cylinder barrel, the second inlet and the second outlet are close to one end of the cylinder cover, and a first limiting ring close to the first inlet and the first outlet is fixedly connected to the inner wall of the cylinder barrel.
Preferably, one end of the cylinder barrel far away from the cylinder cover is fixedly connected with a first connector, and one end of the outside of the hydraulic rod is in threaded connection with a second connector.
Preferably, the anti-collision bottom assembly comprises a first chute, a first sliding block, a first spring, a guide groove, a second spring, a guide rod and a limiting block; the first sliding groove is formed in one end, away from the cylinder cover, of the cylinder barrel; the first sliding block is embedded in the first sliding groove and is matched with the first sliding groove; two ends of the first spring are respectively and vertically fixed with the inner wall of the first chute and one side of the first sliding block; the guide grooves are arranged at the beginning, are respectively arranged at the inner sides of the first sliding blocks; the second springs are provided with a plurality of guide grooves and are respectively fixed in the guide grooves; the guide rod is provided with a plurality of guide rods and is fixed on the inner wall of the first chute, and the guide rods are respectively embedded in the guide grooves through the other ends and are fixedly connected with one ends of the springs; the limiting block is fixed at the center of the outer side of the first sliding block, and a limiting hole corresponding to the firing pin is formed in the outer side of the limiting block.
Preferably, the anti-collision top assembly comprises a second sliding groove, a second sliding block, a clamping groove, a fixing plate and a third spring; the second sliding groove is formed in one side, close to the second inlet and outlet, of the inner wall of the cylinder barrel; the second sliding block is connected in the second sliding groove in a sliding way; the clamping groove is formed in one side, facing the cylinder cover, of the second sliding block; the fixed plate is fixed on the inner wall of the cylinder barrel and is positioned between the second sliding groove and the second inlet and outlet; one end of the third spring is fixed in the clamping groove, and the other end of the third spring is vertically fixed with the fixing plate.
Compared with the prior art, the utility model has the following beneficial effects: according to the hydraulic cylinder, the anti-collision bottom assembly is arranged at the bottom of the cylinder barrel, and the anti-collision top assembly is arranged at the position, close to the cylinder cover, of the cylinder barrel, so that looseness or damage caused by collision of the bottom of the cylinder and the cylinder cover in the movement process of the piston can be relieved.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is an enlarged view of the utility model at A of FIG. 1;
FIG. 3 is an enlarged view of the utility model at B of FIG. 1;
FIG. 4 is an external view of the present utility model;
wherein: 1. a cylinder; 2. a cylinder cover; 3. a first access port; 4. a second inlet and outlet; 5. a piston; 6. a hydraulic rod; 7. a striker; 8. a first connector; 9. a second connector; 10. an anti-collision bottom assembly; 11. a first chute; 12. a first slider; 13. a first spring; 14. a guide groove; 15. a guide rod; 16. a second spring; 17. a limiting block; 18. a limiting hole; 19. a first stop collar; 20. an anti-collision roof assembly; 21. a second chute; 22. a second slider; 23. a fixing plate; 24. a clamping groove; 25. and a third spring.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-4, the utility model provides a shock absorption type hydraulic cylinder assembly, which comprises a cylinder barrel 1, wherein one end of the cylinder barrel 1 is provided with an opening, a cylinder cover 2 is arranged at the opening, a mirror image anti-collision top assembly 20 is arranged in the cylinder barrel 1 and close to the inner wall of the cylinder cover 2, an anti-collision bottom assembly 10 is arranged at one end, far away from the cylinder cover 2, of the cylinder barrel 1, a piston 5 is connected in the cylinder barrel 1 in a sliding manner, a hydraulic rod 6 is fixed on one side of the piston 5, and a firing pin 7 is fixed on the other side of the piston 5.
In this embodiment, specifically, the cylinder cover 2 is screwed to the opening of the cylinder 1, and one end of the hydraulic rod 6 penetrates through the cylinder cover 2 to the inside of the cylinder 1 and is fixedly connected to the center of one side of the piston 5.
In this embodiment, specifically, a first inlet and outlet 3 and a second inlet and outlet 4 which are connected with the inside of the cylinder 1 in a penetrating way are respectively arranged at two ends near one side of the cylinder 1, the second inlet and outlet 4 is near one end of the cylinder cover 2, and a first limiting ring 19 near the first inlet and outlet 3 is fixedly connected with the inner wall of the cylinder 1.
In this embodiment, specifically, one end of the cylinder barrel 1 far away from the cylinder cover 2 is fixedly connected with a first connector 8, and one external end of the hydraulic rod 6 is in threaded connection with a second connector 9.
In this embodiment, specifically, the anti-collision bottom assembly 10 includes a first chute 11, a first slider 12, a first spring 13, a guide slot 14, a second spring 16, a guide rod 15, and a stopper 17; the first sliding groove 11 is formed in one end, away from the cylinder cover 2, of the cylinder barrel 1; the first sliding block 12 is embedded in the first sliding groove 11 and is matched with the first sliding groove 11; two ends of the first spring 13 are respectively and vertically fixed with the inner wall of the first chute 11 and one side of the first sliding block 12; the guide grooves 14 are provided with a plurality of guide grooves and are respectively arranged on the inner sides of the first sliding blocks 12; the second springs 16 are provided with a plurality of second springs and are respectively fixed inside the guide grooves 14; the guide rods 15 are provided with a plurality of guide grooves and are fixed on the inner wall of the first chute 11, and are respectively embedded in the guide grooves 14 through the other ends and are fixedly connected with one ends of the springs; the limiting block 17 is fixed at the center of the outer side of the first sliding block 12, and a limiting hole 18 corresponding to the firing pin 7 is formed in the outer side of the limiting block 17.
In this embodiment, specifically, the anti-collision top assembly 20 includes a second chute 21, a second slider 22, a clamping slot 24, a fixing plate 23, and a third spring 25; the second sliding groove 21 is formed in one side, close to the second inlet and outlet 4, of the inner wall of the cylinder barrel 1; the second sliding block 22 is slidably connected in the second sliding groove 21; the clamping groove 24 is formed in one side of the second sliding block 22, which faces the cylinder cover 2; the fixed plate 23 is fixed on the inner wall of the cylinder barrel 1 and is positioned between the second chute 21 and the second inlet and outlet 4; one end of the third spring 25 is fixed in the clamping groove 24, and the other end is fixed with the fixing plate 23 vertically.
Working principle: when the anti-collision device is used, hydraulic oil is fed into and discharged from the first inlet and outlet 3 and the second inlet and outlet 4 to enable the piston 5 to reciprocate in the cylinder barrel 1 and drive the hydraulic rod 6 to move, when the piston 5 moves to one end in the cylinder barrel 1, the anti-collision bottom assembly 10 is used for damping and buffering, at the moment, the firing pin 7 on one side of the piston 5 collides against the limiting block 17 and drives the first sliding block 12 to displace in the first sliding groove 11, at the moment, the first spring 13 and the second spring 16 are used for damping and buffering, and the guide rod 15 is limited in the guide groove 14; when the piston 5 moves to be close to the cylinder cover 2, the anti-collision top assembly 20 is used for damping, the piston 5 collides with the second sliding block 22 when moving, at the moment, the second sliding block 22 moves in the second sliding groove 21 and compresses the third spring 25, so that damping and limiting are achieved, and the piston 5 is prevented from directly colliding with the cylinder cover 2 to cause loosening or damage.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shock attenuation formula hydraulic cylinder assembly, includes cylinder (1), its characterized in that: the cylinder (1) one end is equipped with the opening, and the opening part is equipped with cylinder cap (2), the inside inner wall that is close to cylinder cap (2) of cylinder (1) is equipped with anticollision top subassembly (20) of mirror image, the inside one end of keeping away from cylinder cap (2) of cylinder (1) is equipped with anticollision bottom subassembly (10), the inside sliding connection of cylinder (1) has piston (5), piston (5) one side is fixed with hydraulic stem (6), and the opposite side is fixed with firing pin (7).
2. The shock absorbing hydraulic ram assembly of claim 1, wherein: the cylinder cover (2) is in threaded connection with the opening of the cylinder barrel (1), and one end of the hydraulic rod (6) penetrates through the cylinder cover (2) to the inside of the cylinder barrel (1) and is fixedly connected with the center of one side of the piston (5).
3. The shock absorbing hydraulic ram assembly of claim 1, wherein: the cylinder barrel (1) is characterized in that a first inlet and outlet (3) and a second inlet and outlet (4) which are in through connection with the inside of the cylinder barrel (1) are respectively arranged at one side of the cylinder barrel (1) close to two ends, the second inlet and outlet (4) is close to one end of the cylinder cover (2), and a first limiting ring (19) close to the first inlet and outlet (3) is fixedly connected to the inner wall of the cylinder barrel (1).
4. The shock absorbing hydraulic ram assembly of claim 1, wherein: one end of the cylinder barrel (1) far away from the cylinder cover (2) is fixedly connected with a first connector (8), and one external end of the hydraulic rod (6) is in threaded connection with a second connector (9).
5. The shock absorbing hydraulic ram assembly of claim 1, wherein: the anti-collision bottom assembly (10) comprises a first sliding groove (11), a first sliding block (12), a first spring (13), a guide groove (14), a second spring (16), a guide rod (15) and a limiting block (17); the first sliding groove (11) is formed in the cylinder barrel (1) and is far away from one end of the cylinder cover (2); the first sliding block (12) is embedded in the first sliding groove (11) and is matched with the first sliding groove (11); two ends of the first spring (13) are respectively and vertically fixed with the inner wall of the first chute (11) and one side of the first sliding block (12); the guide grooves (14) are arranged at the beginning and are respectively arranged at the inner sides of the first sliding blocks (12); the second springs (16) are provided with a plurality of guide grooves (14) and are respectively fixed in the guide grooves; the guide rods (15) are provided with a plurality of guide grooves and are fixed on the inner wall of the first sliding groove (11), and are respectively embedded in the guide grooves (14) through the other ends and are fixedly connected with one ends of the springs; the limiting block (17) is fixed at the center of the outer side of the first sliding block (12), and a limiting hole (18) corresponding to the firing pin (7) is formed in the outer side of the limiting block (17).
6. The shock absorbing hydraulic ram assembly of claim 1, wherein: the anti-collision top assembly (20) comprises a second sliding groove (21), a second sliding block (22), a clamping groove (24), a fixing plate (23) and a third spring (25); the second sliding groove (21) is formed in one side, close to the second inlet and outlet (4), of the inner wall of the cylinder barrel (1); the second sliding block (22) is connected in the second sliding groove (21) in a sliding way; the clamping groove (24) is formed in one side, facing the cylinder cover (2), of the second sliding block (22); the fixed plate (23) is fixed on the inner wall of the cylinder barrel (1) and is positioned between the second sliding groove (21) and the second inlet and outlet (4); one end of the third spring (25) is fixed in the clamping groove (24), and the other end of the third spring is vertically fixed with the fixing plate (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321157898.4U CN219754952U (en) | 2023-05-15 | 2023-05-15 | Shock attenuation formula hydraulic cylinder assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321157898.4U CN219754952U (en) | 2023-05-15 | 2023-05-15 | Shock attenuation formula hydraulic cylinder assembly |
Publications (1)
Publication Number | Publication Date |
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CN219754952U true CN219754952U (en) | 2023-09-26 |
Family
ID=88076891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321157898.4U Active CN219754952U (en) | 2023-05-15 | 2023-05-15 | Shock attenuation formula hydraulic cylinder assembly |
Country Status (1)
Country | Link |
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CN (1) | CN219754952U (en) |
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2023
- 2023-05-15 CN CN202321157898.4U patent/CN219754952U/en active Active
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