CN219953813U - Hydraulic cylinder with anti-collision bottom - Google Patents
Hydraulic cylinder with anti-collision bottom Download PDFInfo
- Publication number
- CN219953813U CN219953813U CN202321360513.4U CN202321360513U CN219953813U CN 219953813 U CN219953813 U CN 219953813U CN 202321360513 U CN202321360513 U CN 202321360513U CN 219953813 U CN219953813 U CN 219953813U
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- cylinder
- cylinder cover
- fixed
- hydraulic
- piston
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- 238000007789 sealing Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000005452 bending Methods 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic cylinder with an anti-collision bottom, which comprises a cylinder barrel, wherein one end of the cylinder barrel is provided with a cylinder cover, one side of the cylinder cover is fixedly connected with a threaded pipe which is in threaded connection with one end of the cylinder barrel, a plurality of buffer blocks which are positioned in the threaded pipe and have the length larger than that of the threaded pipe are also fixedly arranged on one side of the cylinder cover, the periphery of the cylinder cover is provided with slots, two sides of the cylinder barrel are provided with mirror image anti-loosening components which are matched with the slots of the cylinder cover, the cylinder barrel is in sliding connection with a piston, the piston is connected with a hydraulic rod, one end, far away from the cylinder cover, of the cylinder barrel is provided with an anti-collision bottom component, the cylinder cover is in threaded connection with the cylinder body through arranging the anti-collision bottom component and the buffer blocks in the cylinder barrel, the cylinder cover is prevented from damaging the cylinder body and the cylinder cover, the cylinder cover is prevented from being in threaded connection with the cylinder cover, the anti-loosening components are arranged to limit the cylinder cover in threaded connection, the tightness is reduced, the cylinder cover is not only ensured, but also the cylinder cover is easy to detach, and the piston and the hydraulic rod are replaced.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder with an anti-collision bottom.
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: a hydraulic ram for a crash-proof sole of CN214036338U comprising: the oil cylinder body comprises an upper cylinder cover, a cylinder barrel and a lower cylinder cover; the piston rod penetrates through the middle of the upper cylinder cover, and one end of the piston rod extends to the inner cavity of the cylinder barrel and is fixedly connected with the mounting block. When the buffer ring on the mounting block reaches the upper cylinder cover or the buffer plate reaches the buffer pad on the lower cylinder cover, the first movable block and the second movable block are extruded, part of hydraulic oil in the high-pressure oil cavity enters the low-pressure oil cavity through the oil through hole, the bending channel and the oil through channel due to pressure effect, so that the pressure difference in the oil cavities at two sides is reduced, the buffer effect is achieved, the expansion speed of a piston rod in the oil cylinder is reduced, the collision of the piston on the upper cylinder cover and the lower cylinder cover is effectively avoided, the service life of the oil cylinder is effectively prolonged, and the problem of short service life of the oil cylinder is solved.
However, the cylinder cover of the hydraulic cylinder is connected in the same way as the traditional hydraulic cylinder through threaded connection or fixed connection, wherein the fixed connection is inconvenient to replace an internal piston, and the threaded connection is easy to loosen after the impact of the piston, so that the tightness is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a hydraulic cylinder with an anti-collision bottom, which solves the problem that the traditional cylinder cover threaded connection provided in the background art is easy to loosen and reduces the tightness.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a hydraulic cylinder with anticollision end, includes the cylinder, cylinder one end is equipped with the cylinder cap, cylinder cap one side fixedly connected with and cylinder one end threaded connection's screwed pipe still is fixed with a plurality of buffer blocks that are located the screwed pipe and length is greater than the screwed pipe, the slot has been seted up to the cylinder cap periphery, cylinder both sides are close to cylinder cap one end and are equipped with mirror image and with cylinder cap slot complex locking subassembly, sliding connection has the piston in the cylinder, piston connection has the hydraulic stem, cylinder cap one end is kept away from to the cylinder inside is equipped with the anticollision end subassembly.
Preferably, the center of the cylinder cover is provided with a perforation penetrating through two sides, a first sealing ring with the inner diameter being identical to the outer diameter of the hydraulic rod is fixed in the perforation, one end of the hydraulic rod is fixedly connected with the center of one side of the piston, facing the cylinder cover, of the piston, and the other end of the hydraulic rod penetrates through the first sealing ring to the outside.
Preferably, a sealing groove is formed in the inner wall, close to one end of the cylinder barrel, of the cylinder cover, and a second sealing ring which is matched with the sealing groove is fixedly connected to the periphery of the threaded pipe on one side of the cylinder cover.
Preferably, the two ends of one side of the cylinder barrel are respectively connected with an oil inlet and an oil outlet communicated with the internal cavity, and a thimble is fixed at the center of one side of the piston, which is far away from the cylinder cover.
Preferably, the anti-loosening assembly includes:
the fixed bin is fixed at one end, close to the cylinder cover, of the outer side of the cylinder barrel, provided with sliding grooves positioned at two sides, and provided with a cavity inside;
the sliding plate is positioned in the fixed bin and is respectively connected with sliding grooves on two sides of the fixed bin in a sliding manner through two sides;
one end of the connecting rod is vertically fixed with the top of the sliding plate, the other end of the connecting rod penetrates through the top of the fixed bin to the outside, and a pulling block is fixed at one end of the outside;
the first springs are provided with a plurality of first springs and are fixedly connected with the top of the sliding plate and the top in the fixed bin through two ends respectively;
one side of the connecting block is fixedly connected with one side of the sliding plate, which is close to the cylinder cover;
the insert block is fixed on one side of the connecting block, which is close to the cylinder cover, and is coaxial with the slot, and the outer diameter of the insert block is identical to the inner diameter of the slot.
Preferably, the anti-collision bottom assembly comprises a buffer groove, a sliding block and a second spring; the buffer groove is formed in the center of one side, far away from the cylinder cover, of the cylinder barrel; the outer diameter of the sliding block is identical to the inner diameter of the buffer groove, one side of the sliding block is embedded in the buffer groove, and the other side of the sliding block is provided with an inserting hole; the second springs are provided with a plurality of second springs and are respectively and vertically fixed with one side of the sliding block and one side of the buffer groove through two ends.
Compared with the prior art, the utility model has the following beneficial effects: according to the hydraulic cylinder, the anti-collision bottom assembly and the buffer block are arranged in the cylinder barrel to buffer two ends of the cylinder body, so that the cylinder body and the cylinder cover are prevented from being damaged by piston collision, the cylinder cover is in threaded connection with the cylinder body, the anti-loosening assembly is arranged to limit the threaded connection of the cylinder cover, the cylinder cover is prevented from loosening to cause the reduction of tightness, the tightness is ensured, the cylinder cover is easy to detach, and the piston and the hydraulic rod are replaced.
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 a side view of the cylinder head of the present utility model;
wherein: 1. a cylinder; 2. a cylinder cover; 3. a piston; 4. a hydraulic rod; 5. a threaded tube; 6. sealing grooves; 7. a second seal ring; 8. a first seal ring; 9. perforating; 10. a buffer block; 11. a thimble; 12. an oil inlet and an oil outlet; 13. a slot; 14. an anti-loosening assembly; 15. a fixed bin; 16. a chute; 17. a slide plate; 18. a first spring; 19. a connecting rod; 20. pulling out the block; 21. a connecting block; 22. inserting blocks; 23. an anti-collision bottom assembly; 24. a buffer tank; 25. a slide block; 26. a second spring; 27. and a jack.
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 hydraulic cylinder with an anti-collision bottom, which comprises a cylinder barrel 1, wherein one end of the cylinder barrel 1 is provided with a cylinder cover 2, one side of the cylinder cover 2 is fixedly connected with a threaded pipe 5 which is in threaded connection with one end of the cylinder barrel 1, a plurality of buffer blocks 10 which are positioned in the threaded pipe 5 and have a length larger than that of the threaded pipe 5 are also fixedly arranged, the periphery of the cylinder cover 2 is provided with slots 13, two sides of the cylinder barrel 1 are provided with mirror image anti-collision sliding assemblies 14 which are matched with the slots 13 of the cylinder cover 2, one end, close to the cylinder cover 2, of the cylinder barrel 1 is internally connected with a piston 3 in a sliding manner, the piston 3 is connected with a hydraulic rod 4, and one end, far away from the cylinder cover 2, of the cylinder barrel 1 is provided with an anti-collision bottom assembly 23.
In this embodiment, specifically, the center of the cylinder cover 2 is provided with a through hole 9 penetrating through two sides, a first sealing ring 8 with an inner diameter matching with the outer diameter of the hydraulic rod 4 is fixed in the through hole 9, one end of the hydraulic rod 4 is fixedly connected to the center of one side of the piston 3 facing the cylinder cover 2, and the other end penetrates through the first sealing ring 8 to the outside.
In this embodiment, specifically, the inner wall of the cylinder barrel 1 near one end of the cylinder cover 2 is provided with a sealing groove 6, and the periphery of the threaded pipe 5 on one side of the cylinder cover 2 is fixedly connected with a second sealing ring 7 which is anastomotic with the sealing groove 6.
In this embodiment, specifically, two ends of one side of the cylinder barrel 1 are respectively connected with an oil inlet/outlet 12 penetrating through the internal cavity, and a thimble 11 is fixed at the center of one side of the piston 3 away from the cylinder cover 2.
In this embodiment, specifically, the anti-loosening assembly 14 includes:
the fixed bin 15 is fixed at one end, close to the cylinder cover 2, of the outer side of the cylinder barrel 1, is provided with sliding grooves 16 positioned at two sides, and is internally provided with a cavity;
the sliding plate 17 is positioned in the fixed bin 15 and is in sliding connection with sliding grooves 16 on two sides of the fixed bin 15 through two sides respectively;
one end of the connecting rod 19 is vertically fixed with the top of the sliding plate 17, the other end of the connecting rod 19 penetrates through the top of the fixed bin 15 to the outside, and a pulling block 20 is fixed at one end of the outside;
the first springs 18 are arranged, and the first springs 18 are fixedly connected with the top of the sliding plate 17 and the inner top of the fixed bin 15 through two ends respectively;
a connecting block 21, wherein one side of the connecting block 21 is fixedly connected with one side of the sliding plate 17, which is close to the cylinder cover 2;
the insert 22 is fixed on one side of the connecting block 21, which is close to the cylinder cover 2, and is coaxial with the slot 13, and the outer diameter of the insert 22 is identical with the inner diameter of the slot 13.
In this embodiment, specifically, the anti-collision bottom assembly 23 includes a buffer slot 24, a slider 25, and a second spring 26; the buffer groove 24 is formed in the center of one side, far away from the cylinder cover 2, of the cylinder barrel 1; the outer diameter of the sliding block 25 is matched with the inner diameter of the buffer groove 24, one side of the sliding block is embedded in the buffer groove 24, and the other side of the sliding block is provided with an inserting hole 27; the second springs 26 are provided with a plurality of second springs and are respectively and vertically fixed with one side of the sliding block 25 and one side of the buffer groove 24 through two ends.
Working principle: by connecting external oil feeding equipment, hydraulic oil is respectively led to enter and exit the two oil inlet and outlet ports 12 to push the piston 3 to reciprocate; when the piston 3 is displaced to the bottom, the thimble 11 collides with the jack 27 of the sliding block 25, so that the sliding block 25 slides into the buffer groove 24 and is buffered under the compression of the second springs 26, and when the piston 3 is displaced to one side of the cylinder cover 2, the buffer blocks 10 can buffer; the anti-loosening assembly 14 can embed the insert 22 in the slot 13 of the cylinder cover 2, so that the cylinder cover 2 cannot move, and the anti-loosening assembly specifically operates as follows: the pulling block 20 is pinched and pulled up to drive the connecting rod 19, the sliding plate 17, the connecting block 21 and the inserting block 22 to displace, simultaneously, the first springs 18 are compressed, the cylinder cover 2 is in threaded connection with the cylinder barrel 1, the pulling block 20 is released, the first springs 18 are restored, the inserting block 22 is driven to be embedded in the slot 13 in the same way, the threaded connection cylinder cover 2 cannot move, and the tightness is greatly ensured.
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 hydraulic cylinder with anticollision end, includes cylinder (1), its characterized in that: cylinder (1) one end is equipped with cylinder cap (2), cylinder cap (2) one side fixedly connected with and cylinder (1) one end threaded connection's screwed pipe (5), still be fixed with a plurality of buffer blocks (10) that are located screwed pipe (5) and length is greater than screwed pipe (5), slot (13) have been seted up to cylinder cap (2) periphery, cylinder (1) both sides are close to cylinder cap (2) one end and are equipped with mirror image and with cylinder cap (2) slot (13) complex locking subassembly (14), sliding connection has piston (3) in cylinder (1), piston (3) are connected with hydraulic stem (4), cylinder (1) inside cylinder cap (2) one end of keeping away from is equipped with anticollision end assembly (23).
2. A hydraulic ram with an anti-collision sole according to claim 1, wherein: the hydraulic cylinder is characterized in that a perforation (9) penetrating through two sides is formed in the center of the cylinder cover (2), a first sealing ring (8) with the inner diameter being identical to the outer diameter of the hydraulic rod (4) is fixed in the perforation (9), one end of the hydraulic rod (4) is fixedly connected to the center of one side, facing the cylinder cover (2), of the piston (3), and the other end of the hydraulic rod penetrates through the first sealing ring (8) to the outside.
3. A hydraulic ram with an anti-collision sole according to claim 1, wherein: the inner wall of the cylinder barrel (1) close to one end of the cylinder cover (2) is provided with a sealing groove (6), and the periphery of a threaded pipe (5) on one side of the cylinder cover (2) is fixedly connected with a second sealing ring (7) which is matched with the sealing groove (6).
4. A hydraulic ram with an anti-collision sole according to claim 1, wherein: the two ends of one side of the cylinder barrel (1) are respectively connected with an oil inlet and outlet (12) communicated with the internal cavity, and a thimble (11) is fixed at the center of one side of the piston (3) far away from the cylinder cover (2).
5. A hydraulic ram with an anti-collision sole according to claim 1, wherein: the anti-loosening assembly (14) includes:
the fixed bin (15) is fixed at one end, close to the cylinder cover (2), of the outer side of the cylinder barrel (1), sliding grooves (16) positioned at two sides are formed in the fixed bin (15), and a cavity is formed in the fixed bin;
the sliding plate (17) is positioned in the fixed bin (15) and is in sliding connection with sliding grooves (16) on two sides of the fixed bin (15) through two sides respectively;
one end of the connecting rod (19) is vertically fixed with the top of the sliding plate (17), the other end of the connecting rod penetrates through the top of the fixed bin (15) to the outside, and a pulling block (20) is fixed at one end of the outside;
the first springs (18) are arranged, and the first springs (18) are fixedly connected with the top of the sliding plate (17) and the inner top of the fixed bin (15) through two ends respectively;
the connecting block (21), one side of the connecting block (21) is fixedly connected with one side of the sliding plate (17) close to the cylinder cover (2);
the inserting block (22) is fixed on one side of the connecting block (21) close to the cylinder cover (2), is coaxial with the inserting groove (13), and has an outer diameter identical with the inner diameter of the inserting groove (13).
6. A hydraulic ram with an anti-collision sole according to claim 1, wherein: the anti-collision bottom assembly (23) comprises a buffer groove (24), a sliding block (25) and a second spring (26); the buffer groove (24) is formed in the center of one side, away from the cylinder cover (2), of the cylinder barrel (1); the outer diameter of the sliding block (25) is matched with the inner diameter of the buffer groove (24), one side of the sliding block is embedded in the buffer groove (24), and the other side of the sliding block is provided with an inserting hole (27); the second springs (26) are provided with a plurality of second springs and are respectively and vertically fixed with one side of the sliding block (25) and one side of the buffer groove (24) through two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360513.4U CN219953813U (en) | 2023-05-31 | 2023-05-31 | Hydraulic cylinder with anti-collision bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360513.4U CN219953813U (en) | 2023-05-31 | 2023-05-31 | Hydraulic cylinder with anti-collision bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953813U true CN219953813U (en) | 2023-11-03 |
Family
ID=88550569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321360513.4U Active CN219953813U (en) | 2023-05-31 | 2023-05-31 | Hydraulic cylinder with anti-collision bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953813U (en) |
-
2023
- 2023-05-31 CN CN202321360513.4U patent/CN219953813U/en active Active
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