CN215805504U - High heat dissipation hydraulic cylinder uide bushing - Google Patents
High heat dissipation hydraulic cylinder uide bushing Download PDFInfo
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- CN215805504U CN215805504U CN202122317302.XU CN202122317302U CN215805504U CN 215805504 U CN215805504 U CN 215805504U CN 202122317302 U CN202122317302 U CN 202122317302U CN 215805504 U CN215805504 U CN 215805504U
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- guide sleeve
- hydraulic cylinder
- cylinder
- uide bushing
- piston rod
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Abstract
The utility model discloses a high-heat-dissipation hydraulic oil cylinder guide sleeve, which comprises a hydraulic cylinder, wherein a piston rod is movably arranged in the hydraulic cylinder, the piston rod penetrates through the outer surface of the upper end of the hydraulic cylinder, the outer surface of the upper end of the hydraulic cylinder is in threaded connection with a guide sleeve, the guide sleeve penetrates through the outer surface of the upper end of the hydraulic cylinder, the piston rod penetrates through the inside of the guide sleeve, a heat dissipation mechanism is arranged in the guide sleeve, a sealing mechanism is arranged between the guide sleeve and the outer surface of the upper end of the hydraulic cylinder, the heat dissipation mechanism comprises a circular groove seat, the circular groove seat is arranged in the guide sleeve, a plurality of upper clamping blocks and lower clamping blocks are alternately arranged in the circular groove seat, arc-shaped grooves are formed in opposite surfaces of the plurality of upper clamping blocks and the plurality of lower clamping blocks, and steel balls are movably arranged between every two adjacent arc-shaped grooves. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder has a heat dissipation function and a good sealing effect.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a guide sleeve of a high-heat-dissipation hydraulic oil cylinder.
Background
The guide sleeve of the hydraulic cylinder plays a role in supporting and ensuring the coaxiality of the piston rod and the cylinder barrel, and in the process of extending the hydraulic cylinder rod, the hydraulic cylinder and the surface of the cylinder barrel are in contact with each other, so that the longer the stroke of the hydraulic cylinder is, the longer the guide sleeve is. Meanwhile, a support is also provided for the oil seal of the oil cylinder opening;
firstly, the existing hydraulic oil cylinder guide sleeve does not have a quick heat dissipation device, and a piston rod generates heat when moving up and down, so that the piston rod is easy to deform, the service life of the piston rod is shortened, and the use convenience is influenced; secondly, the existing hydraulic cylinder guide sleeve is not provided with a sealing device or has poor sealing effect, so that hydraulic oil is easy to leak to the outside of the hydraulic cylinder, and the service life of the hydraulic cylinder is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a high-heat-dissipation hydraulic oil cylinder guide sleeve, which can effectively solve the problems in the background technology that: the existing hydraulic oil cylinder guide sleeve is not provided with a quick heat dissipation device, and a piston rod generates heat and is easy to deform when moving up and down, so that the service life of the piston rod is shortened, and the use convenience is influenced; secondly, current hydraulic cylinder uide bushing does not set up sealing device, or sealed effect is poor, makes hydraulic oil seepage outside the pneumatic cylinder very easily, makes the technical problem that the life of pneumatic cylinder subtracts the weak point.
In order to achieve the purpose, the utility model adopts the technical scheme that:
high heat dissipation hydraulic cylinder uide bushing, including the pneumatic cylinder, the inside movable mounting of pneumatic cylinder has the piston rod, the piston rod runs through the upper end surface of pneumatic cylinder, the upper end surface threaded connection of pneumatic cylinder has the uide bushing, and the uide bushing runs through the upper end surface of pneumatic cylinder, the piston rod runs through the inside of uide bushing, the inside of uide bushing is provided with heat dissipation mechanism, be provided with sealing mechanism between the upper end surface of uide bushing and pneumatic cylinder.
As a further scheme of the utility model, the heat dissipation mechanism comprises a circular groove seat, the circular groove seat is arranged inside the guide sleeve, a plurality of upper clamping blocks and lower clamping blocks are alternately arranged inside the circular groove seat, arc-shaped grooves are formed in opposite surfaces of the upper clamping blocks and the lower clamping blocks, and steel balls are movably arranged between every two adjacent arc-shaped grooves.
As a further scheme of the utility model, the sealing mechanism comprises a sealing ring, the sealing ring is arranged between the hydraulic cylinder and the guide sleeve, the outer surface of the lower end of the sealing ring is fixedly provided with a connecting block, the connecting block penetrates through the interior of the hydraulic cylinder, one side of the connecting block is fixedly provided with a compression spring column, and one end of the compression spring column is fixedly provided with a clamping piece.
As a further scheme of the utility model, the number of the compression spring columns is two, and the two groups of compression spring columns are symmetrically arranged relative to the guide sleeve.
As a further scheme of the utility model, through grooves are formed in the hydraulic cylinder close to the upper end, clamping seats are fixedly mounted in the through grooves, the clamping seats are clamped and matched with the clamping pieces, the number of the through grooves is two, and the two through grooves are symmetrically arranged relative to the hydraulic cylinder.
As a further scheme of the utility model, the outer surface of the steel ball is tightly attached to the outer surface of the piston rod, and lubricating oil is coated on the outer surface of the steel ball.
Compared with the prior art, the utility model has the following beneficial effects: according to the sealing mechanism, the sealing ring is firstly placed on the outer surface of the upper end of the hydraulic cylinder, then the guide sleeve is rotated, the sealing ring is made to be tightly attached to the outer surface of the upper end of the hydraulic cylinder, the connecting block at the lower end of the sealing ring is inserted into the hydraulic cylinder, the compression spring column is fixedly installed at one end of the connecting block, when the connecting block is inserted into the hydraulic cylinder, the compression spring column can be bounced off, the clamping piece is arranged at one end of the compression spring column, the through groove is formed in the hydraulic cylinder, the clamping piece can be clamped into the clamping seat in the through groove at the moment to enable the whole sealing ring to be fastened, the sealing mechanism plays a role in sealing, hydraulic oil is prevented from leaking to the outside of the hydraulic cylinder, the protection role is played through the clamping device, even if the guide sleeve is loosened, the sealing ring can be tightly fastened on the outer surface of the upper end of the hydraulic cylinder, and the practicability is higher;
through the heat dissipation mechanism who sets up, the circular slot seat is seted up inside the uide bushing, inside fixture block and the lower fixture block of being provided with of circular slot seat, and go up the fixture block and all seted up the arc wall with the opposite side of fixture block down, block the steel ball between last fixture block and lower fixture block, and the surface of steel ball is hugged closely with the piston rod, when the piston rod motion, thereby little steel ball rotates because relative friction, the steel ball of setting, the area of contact of piston rod and uide bushing has been reduced, thereby thermal production has been reduced, fine prevention piston rod and uide bushing friction generate heat and warp, greatly increased the life of piston rod.
Drawings
FIG. 1 is a schematic view of the overall structure of a guide sleeve of a high-heat-dissipation hydraulic oil cylinder of the utility model;
FIG. 2 is a cross-sectional view of a sealing mechanism of a guide sleeve of the high-heat-dissipation hydraulic oil cylinder;
fig. 3 is an enlarged view of the part a in fig. 1 of the guide sleeve of the high-heat-dissipation hydraulic oil cylinder.
In the figure: 1. a hydraulic cylinder; 2. a piston rod; 3. a guide sleeve; 4. a heat dissipation mechanism; 5. a through groove; 6. a sealing mechanism; 41. a circular groove seat; 42. an upper clamping block; 43. an arc-shaped slot; 44. a lower clamping block; 45. steel balls; 61. a seal ring; 62. connecting blocks; 63. compressing the spring post; 64. a fastener; 7. a card seat.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, the high heat dissipation hydraulic cylinder guide sleeve comprises a hydraulic cylinder 1, a piston rod 2 is movably mounted inside the hydraulic cylinder 1, the piston rod 2 penetrates through the outer surface of the upper end of the hydraulic cylinder 1, a guide sleeve 3 is connected to the outer surface of the upper end of the hydraulic cylinder 1 in a threaded manner, the guide sleeve 3 penetrates through the outer surface of the upper end of the hydraulic cylinder 1, the piston rod 2 penetrates through the inside of the guide sleeve 3, a heat dissipation mechanism 4 is arranged inside the guide sleeve 3, and a sealing mechanism 6 is arranged between the guide sleeve 3 and the outer surface of the upper end of the hydraulic cylinder 1.
In this embodiment, in order to facilitate the heat dissipation for the piston rod 2, the heat dissipation mechanism 4 includes the circular groove seat 41, and the circular groove seat 41 is seted up in the inside of uide bushing 3, and circular groove seat 41 is inside to be provided with fixture block 42 and lower fixture block 44 on a plurality of in turn, and fixture block 42 has all seted up arc wall 43 with lower fixture block 44 opposite face on a plurality of, and movable mounting has steel ball 45 between two adjacent arc walls 43.
In this embodiment, in order to prevent the oil inside the hydraulic cylinder 1 from leaking to the outside, the sealing mechanism 6 includes a sealing ring 61, the sealing ring 61 is disposed between the hydraulic cylinder 1 and the guide sleeve 3, a connecting block 62 is fixedly mounted on the outer surface of the lower end of the sealing ring 61, the connecting block 62 penetrates through the hydraulic cylinder 1, a compression spring column 63 is fixedly mounted on one side of the connecting block 62, and a clamping piece 64 is fixedly mounted on one end of the compression spring column 63.
In the present embodiment, the number of the pressing spring columns 63 is two, and the two groups of the pressing spring columns 63 are symmetrically arranged with respect to the guide housing 3.
In this embodiment, pneumatic cylinder 1's inside is close to the upper end and has been seted up logical groove 5, and the inside fixed mounting who leads to groove 5 has cassette 7, and cassette 7 matches with fastener 64 block, and the quantity that leads to groove 5 is two, and two lead to groove 5 and set up about pneumatic cylinder 1 symmetry.
In the present embodiment, the outer surface of the steel ball 45 is closely attached to the outer surface of the piston rod 2, and the outer surface of the steel ball 45 is coated with lubricating oil.
It should be noted that, the utility model is a high heat dissipation hydraulic cylinder guide sleeve, when in use, the guide sleeve 3 is movably mounted on the outer surface of the upper end of the hydraulic cylinder 1, through the arranged sealing mechanism 6, the sealing ring 61 is firstly placed on the outer surface of the upper end of the hydraulic cylinder 1, then the guide sleeve 3 is rotated, so that the sealing ring 61 is tightly attached to the outer surface of the upper end of the hydraulic cylinder 1, the connecting block 62 at the lower end of the sealing ring 61 is inserted into the hydraulic cylinder 1, one end of the connecting block 62 is fixedly provided with the pressing spring column 63, when the connecting block 62 is inserted into the hydraulic cylinder 1, the pressing spring column 63 is sprung open, one end of the pressing spring column 63 is provided with the clamping piece 64, the inside of the hydraulic cylinder 1 is provided with the through groove 5, at this time, the clamping piece 64 is clamped into the clamping seat 7 inside the through groove 5, so that the whole sealing ring 61 is fastened, the mechanism has a sealing function to prevent the hydraulic oil from leaking to the outside of the hydraulic cylinder 1, through the latch device, play the guard action, even the uide bushing 3 is not hard up, sealing washer 61 still can tightly detain at pneumatic cylinder 1 upper end surface, through the heat dissipation mechanism 4 that sets up, circular groove seat 41 is seted up inside uide bushing 3, circular groove seat 41 is inside to be provided with fixture block 42 and lower fixture block 44, and the opposite side of going up fixture block 42 and lower fixture block 44 has all seted up arc wall 43, block steel ball 45 between fixture block 42 and lower fixture block 44, and the surface of steel ball 45 is hugged closely with piston rod 2, when piston rod 2 moves, thereby small steel ball 45 rotates because of relative friction, the steel ball 45 of setting, the area of contact of piston rod 2 with uide bushing 3 has been reduced, thereby thermal production has been reduced, fine piston rod 2 and uide bushing 3 friction heating and deformation of preventing.
The utility model firstly puts the sealing ring 61 on the outer surface of the upper end of the hydraulic cylinder 1 through the arranged sealing mechanism 6, then the guide sleeve 3 is rotated to lead the sealing ring 61 to be clung to the outer surface of the upper end of the hydraulic cylinder 1, the connecting block 62 at the lower end of the sealing ring 61 is inserted into the hydraulic cylinder 1, one end of the connecting block 62 is fixedly provided with a hold-down spring column 63, when the connecting block 62 is inserted into the hydraulic cylinder 1, the hold-down spring column 63 is sprung open, the clamping member 64 is arranged at one end of the hold-down spring column 63, the through groove 5 is arranged in the hydraulic cylinder 1, the clamping member 64 is clamped into the clamping seat 7 in the through groove 5, so that the whole sealing ring 61 is fastened, the mechanism has the sealing function, prevents the hydraulic oil from leaking to the outside of the hydraulic cylinder 1, has the protection function through the clamping device, even if the guide sleeve 3 is loosened, the sealing ring 61 can be tightly buckled on the outer surface of the upper end of the hydraulic cylinder 1, so that the practicability is higher; through the heat dissipation mechanism 4 that sets up, circular groove seat 41 is seted up inside uide bushing 3, circular groove seat 41 is inside to be provided with fixture block 42 and lower fixture block 44, and the opposite side of going up fixture block 42 and lower fixture block 44 has all seted up arc wall 43, with steel ball 45 card between last fixture block 42 and lower fixture block 44, and the surface of steel ball 45 is hugged closely with piston rod 2, when piston rod 2 moves, thereby little steel ball 45 rotates because relative friction, the steel ball 45 of setting, the area of contact of piston rod 2 with uide bushing 3 has been reduced, thereby the thermal production has been reduced, fine prevention piston rod 2 and 3 frictions of uide bushing generate heat and warp, greatly increased piston rod 2's life.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. High heat dissipation hydraulic cylinder uide bushing, its characterized in that: including pneumatic cylinder (1), the inside movable mounting of pneumatic cylinder (1) has piston rod (2), piston rod (2) run through the upper end surface of pneumatic cylinder (1), the upper end surface threaded connection of pneumatic cylinder (1) has uide bushing (3), and uide bushing (3) run through the upper end surface of pneumatic cylinder (1), piston rod (2) run through the inside of uide bushing (3), the inside of uide bushing (3) is provided with heat dissipation mechanism (4), be provided with sealing mechanism (6) between the upper end surface of uide bushing (3) and pneumatic cylinder (1).
2. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder as claimed in claim 1, wherein: the heat dissipation mechanism (4) comprises a circular groove seat (41), the circular groove seat (41) is arranged inside the guide sleeve (3), a plurality of upper clamping blocks (42) and lower clamping blocks (44) are alternately arranged inside the circular groove seat (41), arc-shaped grooves (43) are formed in opposite surfaces of the upper clamping blocks (42) and the lower clamping blocks (44) of the plurality of upper clamping blocks, and steel balls (45) are movably arranged between every two adjacent arc-shaped grooves (43).
3. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder as claimed in claim 1, wherein: sealing mechanism (6) include sealing washer (61), sealing washer (61) set up between pneumatic cylinder (1) and uide bushing (3), the outer fixed surface of the lower extreme of sealing washer (61) installs connecting block (62), and connecting block (62) run through the inside of pneumatic cylinder (1), one side fixed mounting of connecting block (62) has pressure spring post (63), the one end fixed mounting of pressure spring post (63) has fastener (64).
4. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder as claimed in claim 3, wherein: the number of the compression spring columns (63) is two, and the two groups of compression spring columns (63) are symmetrically arranged relative to the guide sleeve (3).
5. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder as claimed in claim 1, wherein: the hydraulic cylinder is characterized in that a through groove (5) is formed in the hydraulic cylinder (1) close to the upper end, a clamping seat (7) is fixedly arranged in the through groove (5), the clamping seat (7) is matched with a clamping piece (64) in a clamping mode, the through grooves (5) are two in number, and the two through grooves (5) are symmetrically arranged relative to the hydraulic cylinder (1).
6. The guide sleeve of the high-heat-dissipation hydraulic oil cylinder as claimed in claim 2, wherein: the outer surface of the steel ball (45) is tightly attached to the outer surface of the piston rod (2), and lubricating oil is coated on the outer surface of the steel ball (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122317302.XU CN215805504U (en) | 2021-09-24 | 2021-09-24 | High heat dissipation hydraulic cylinder uide bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122317302.XU CN215805504U (en) | 2021-09-24 | 2021-09-24 | High heat dissipation hydraulic cylinder uide bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805504U true CN215805504U (en) | 2022-02-11 |
Family
ID=80166247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122317302.XU Active CN215805504U (en) | 2021-09-24 | 2021-09-24 | High heat dissipation hydraulic cylinder uide bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805504U (en) |
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2021
- 2021-09-24 CN CN202122317302.XU patent/CN215805504U/en active Active
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