CN219932611U - Hydraulic cylinder with protective structure - Google Patents
Hydraulic cylinder with protective structure Download PDFInfo
- Publication number
- CN219932611U CN219932611U CN202321164088.1U CN202321164088U CN219932611U CN 219932611 U CN219932611 U CN 219932611U CN 202321164088 U CN202321164088 U CN 202321164088U CN 219932611 U CN219932611 U CN 219932611U
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- China
- Prior art keywords
- fixed block
- piston rod
- hydraulic cylinder
- fixed
- telescopic
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic cylinder with a protective structure, which comprises a cylinder barrel of the hydraulic cylinder and a piston rod, wherein a fixed block is arranged at the end part of the piston rod, a supporting structure is arranged on the cylindrical surface of the piston rod and below the fixed block, the supporting structure comprises a fixed ring, and the fixed ring is sleeved on the cylindrical surface of the piston rod; according to the hydraulic cylinder with the protection structure, the telescopic rods at two sides can be used for greatly deflecting or bending when the fixed block is subjected to deflection force, the end part of the piston rod can be protected, the contact area between the fixed block and a workpiece can be adjusted, the larger contact area enables the fixed block to be firmly connected with the workpiece by installing enough bolts when the workpiece is moved, damage caused by loosening of the fixed block from the workpiece is avoided, the pressure intensity of the workpiece on the fixed block at the end part of the piston rod is relatively small due to the fact that the fixed block is increased, and the piston rod is not easy to bend or deflect.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder with a protection structure.
Background
The hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device, and can realize linear reciprocating motion on a workpiece.
The existing hydraulic oil cylinder has certain defects, because the end part of the piston rod is directly contacted with the workpiece when the hydraulic oil cylinder is directly connected with the workpiece, the pressure intensity on the end part of the piston rod is relatively large, particularly when a heavy object is pushed upwards, the piston rod is bent or deflected, or the bottom end of the workpiece is directly penetrated by the piston rod, and the end part of the piston rod and the fixed block are easily deflected when the piston rod is subjected to a deflection force of the heavy object, so that the fixed block and the workpiece cannot be firmly connected.
Disclosure of Invention
The utility model mainly aims to provide a hydraulic cylinder with a protective structure, which can effectively solve the technical problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a hydraulic cylinder with protective structure, includes hydraulic cylinder and piston rod, the tip of piston rod is provided with the fixed block, just be located the below of fixed block on the face of cylinder of piston rod and be provided with a bearing structure, bearing structure includes solid fixed ring, gu fixed ring cover locates the face of cylinder of piston rod, gu fixed ring's lateral wall is provided with fastening bolt, and a plurality of reservation groove has been seted up to the face of cylinder of piston rod, and gu fixed ring's both sides all are provided with first connecting block, and are provided with the telescopic link between the both sides of fixed block and the first connecting block, and the both ends of telescopic link are connected with first connecting block and second connecting block respectively.
As a preferable technical scheme of the utility model, the fastening bolt penetrates through the inside of the fixing ring, and the end part of the fastening bolt is positioned in one of the reserved grooves.
As a preferable technical scheme of the utility model, two ends of the telescopic rod are respectively connected with the first connecting block and the second connecting block through connecting pins, and the fixing ring is fixed with the cylindrical surface of the piston rod through fastening bolts.
As a preferable technical scheme of the utility model, the telescopic structure is arranged at the two sides of the fixed block and at the top end of the telescopic rod, the telescopic structure comprises two sliding grooves, the two sliding grooves are respectively arranged at the two sides of the fixed block, sliding plates are arranged in the sliding grooves, side blocks are welded at the end surfaces of the sliding plates and the two sides of the fixed block, and the second connecting block is welded on the lower surface of the sliding plate.
As a preferable technical scheme of the utility model, the sliding groove is in sliding connection with the sliding plate, bolts are fixed on two sides of the fixed block, and the sliding plate is fixed with the fixed block through the fixed bolts.
As a preferable technical scheme of the utility model, a triangular area is formed among the sliding plate, the telescopic rod and the piston rod, and the inner rod and the outer rod of the telescopic rod are welded with each other.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with the supporting structure, the telescopic rods are used for supporting the fixed block, the supporting force is provided when the hydraulic oil cylinder moves against the workpiece, and the telescopic rods at the two sides can also be used for greatly deflecting or bending when the fixed block is subjected to deflection force, so that the end part of the piston rod can be protected;
be provided with extending structure, slide the sliding plate from the inside of sliding tray, can adjust the area of contact of fixed block and work piece, bigger area of contact makes the fixed block can install enough bolt and work piece firm connection when removing the work piece, avoids the fixed block to become flexible from the work piece and causes the damage, and thereby the work piece increases the pressure ratio for the fixed block of piston rod tip less, the piston rod also is difficult to take place the condition of crooked or deflection.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a hydraulic cylinder with a protective structure according to the present utility model;
FIG. 2 is a schematic view showing a piston rod extending state of a hydraulic cylinder with a protection structure according to the present utility model;
FIG. 3 is a schematic view of a hydraulic cylinder with a protective structure according to the present utility model;
fig. 4 is a schematic expansion diagram of a telescopic structure of a hydraulic cylinder with a protection structure according to the present utility model.
In the figure: 1. a hydraulic cylinder barrel; 2. a piston rod; 3. a fixed block; 4. a support structure; 5. a telescopic structure; 41. a fixing ring; 42. a first connection block; 43. a telescopic rod; 44. a second connection block; 45. a fastening bolt; 46. a reserved groove; 51. side blocks; 52. a sliding plate; 53. a sliding groove; 54. and (5) fixing bolts.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a hydraulic cylinder with a protection structure comprises a cylinder barrel 1 and a piston rod 2, wherein a fixed block 3 is arranged at the end part of the piston rod 2, a supporting structure 4 is arranged on the cylindrical surface of the piston rod 2 and below the fixed block 3, the supporting structure 4 comprises a fixed ring 41, the fixed ring 41 is sleeved on the cylindrical surface of the piston rod 2, fastening bolts 45 are arranged on the side wall of the fixed ring 41, a plurality of reserved grooves 46 are formed in the cylindrical surface of the piston rod 2, first connecting blocks 42 are arranged on two sides of the fixed ring 41, telescopic rods 43 are arranged between two sides of the fixed block 3 and the first connecting blocks 42, two ends of the telescopic rods 43 are respectively connected with the first connecting blocks 42 and the second connecting blocks 44, the fixed block 3 is supported by the telescopic rods 43, supporting force is provided when the hydraulic cylinder moves against a workpiece, and the end part of the piston rod 2 can be protected by greatly deflecting or bending the telescopic rods 43 on two sides when the fixed block 3 is subjected to deflection force.
In this embodiment, the fastening bolt 45 penetrates through the inside of the fixing ring 41, and the end portion of the fastening bolt 45 is located in one of the reserved grooves 46, two ends of the telescopic rod 43 are respectively connected with the first connecting block 42 and the second connecting block 44 through the connecting pin, the fixing ring 41 is fixed with the cylindrical surface of the piston rod 2 through the fastening bolt 45, the length of the telescopic rod 43 is adjusted according to the position of the fixing ring 41, so that the telescopic rod 43 is located between the fixing ring 41 and the second connecting block 44, and the telescopic rod 43 stretches and contracts to fix the fixing ring 41 and the second connecting block 44 in a proper position.
In this embodiment, the telescopic structure 5 is disposed on two sides of the fixed block 3 and at the top end of the telescopic rod 43, the telescopic structure 5 includes two sliding grooves 53, the two sliding grooves 53 are respectively disposed on two sides of the fixed block 3, the sliding plates 52 are disposed in the sliding grooves 53, the end faces of the sliding plates 52 and two sides of the fixed block 3 are welded with the side blocks 51, the second connecting block 44 is welded to the lower surface of the sliding plates 52, the sliding plates 52 slide from the inside of the sliding grooves 53, the contact area between the fixed block 3 and a workpiece can be adjusted, the larger contact area when the workpiece is moved enables the fixed block 3 to be firmly connected with the workpiece through enough bolts, damage caused by loose of the fixed block 3 from the workpiece is avoided, and the pressure of the workpiece to the fixed block 3 at the end of the piston rod 2 is relatively small due to increase, and the piston rod 2 is not easy to bend or deflect.
In this embodiment, the sliding groove 53 and the sliding plate 52 are slidably connected, the bolts 54 are fixed on both sides of the fixed block 3, and the sliding plate 52 is fixed to the fixed block 3 by the fixing bolts 54, so that the supporting area of the fixed block 3 is changed by sliding the sliding plate 52 and the sliding groove 53.
In this embodiment, a triangular area is formed among the sliding plate 52, the telescopic rod 43 and the piston rod 2, and the inner rod and the outer rod of the telescopic rod 43 are welded to each other, so that the positions of the fixing ring 41 and the side block 51 are mutually fixed after the inner rod and the outer rod of the telescopic rod 43 are welded, and the workpiece and the hydraulic cylinder are relatively fixed to avoid damage caused by loosening of the fixing block 3 from the workpiece.
It should be noted that, the hydraulic cylinder utilizes the expansion to change the overall length of the hydraulic cylinder, can fix fixed block 3 and the work piece of piston rod 2 tip when being connected with the work piece through the hydraulic cylinder, under the condition that the contact surface of fixed block 3 and work piece is comparatively little, can also be with the limit side piece 51 of telescopic structure 5 to the both sides pulling of fixed block 3, slide plate 52 and sliding groove 53 slide each other, fix the position between limit side piece 51 and fixed block 3 through fixing bolt 54 after the area of increasing fixed block 3 and work piece's contact, and can have sufficient space to be connected with the work piece after the area of fixed block 3 and limit side piece 51 and work piece contact increases, thereby guarantee the connection firmness between fixed block 3 and the work piece, thereby the work piece increases the fixed block 3 of piston rod 2 tip and pressure is comparatively little, piston rod 2 also be difficult to take place the condition of bending or deflection, then through adjusting the position of fixed ring 41 and telescopic link 43 after telescopic link 43 stretches out and draws back suitable length, fix fixed ring 41 through fastening bolt 45 and reservation groove 46, and with the area of contact of two telescopic link 43, and the expansion link 43 can not take place the loose shape when the inner diameter of support rod 43 and the piston rod 2 or the tip can be changed in the side piece, can be avoided when the piston rod 2 is connected with the work piece is or the expansion link 43 is formed, the inner diameter of the end is changed, can be difficult to the shape is or the end is changed, the end is formed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A hydraulic cylinder with a protective structure is characterized in that: including hydraulic cylinder (1) and piston rod (2), the tip of piston rod (2) is provided with fixed block (3), just be located the below of fixed block (3) on the face of cylinder of piston rod (2) and be provided with a bearing structure (4), bearing structure (4) are including solid fixed ring (41), gu fixed ring (41) cover is located the face of cylinder of piston rod (2), and the lateral wall of gu fixed ring (41) is provided with fastening bolt (45), and a plurality of reservation groove (46) have been seted up to the face of cylinder of piston rod (2), and the both sides of gu fixed ring (41) all are provided with first connecting block (42), and are provided with telescopic link (43) between the both sides of fixed block (3) and first connecting block (42), and the both ends of telescopic link (43) are connected with first connecting block (42) and second connecting block (44) respectively.
2. The hydraulic cylinder with a protective structure according to claim 1, wherein: the fastening bolt (45) penetrates through the fixing ring (41), and the end portion of the fastening bolt (45) is located in one of the reserved grooves (46).
3. The hydraulic cylinder with a protective structure according to claim 2, wherein: the two ends of the telescopic rod (43) are respectively connected with the first connecting block (42) and the second connecting block (44) through connecting pins, and the fixing ring (41) is fixed with the cylindrical surface of the piston rod (2) through fastening bolts (45).
4. The hydraulic cylinder with a protective structure according to claim 1, wherein: the telescopic structure is characterized in that telescopic structures (5) are arranged on two sides of the fixed block (3) and located at the top end of the telescopic rod (43), each telescopic structure (5) comprises two sliding grooves (53), each sliding groove (53) is respectively arranged on two sides of the fixed block (3), sliding plates (52) are arranged in the sliding grooves (53), the end faces of the sliding plates (52) and two sides of the fixed block (3) are welded with side blocks (51), and the second connecting blocks (44) are welded to the lower surfaces of the sliding plates (52).
5. The hydraulic cylinder with a protective structure according to claim 4, wherein: the sliding groove (53) is in sliding connection with the sliding plate (52), bolts (54) are fixed on two sides of the fixed block (3), and the sliding plate (52) is fixed with the fixed block (3) through the bolts (54).
6. The hydraulic cylinder with a protective structure according to claim 5, wherein: a triangular area is formed among the sliding plate (52), the telescopic rod (43) and the piston rod (2), and the inner rod and the outer rod of the telescopic rod (43) are welded with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164088.1U CN219932611U (en) | 2023-05-15 | 2023-05-15 | Hydraulic cylinder with protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164088.1U CN219932611U (en) | 2023-05-15 | 2023-05-15 | Hydraulic cylinder with protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932611U true CN219932611U (en) | 2023-10-31 |
Family
ID=88503456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321164088.1U Active CN219932611U (en) | 2023-05-15 | 2023-05-15 | Hydraulic cylinder with protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932611U (en) |
-
2023
- 2023-05-15 CN CN202321164088.1U patent/CN219932611U/en active Active
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