CN209724845U - A kind of high-voltage oil cylinder that ultra-thin resistance is small - Google Patents
A kind of high-voltage oil cylinder that ultra-thin resistance is small Download PDFInfo
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- CN209724845U CN209724845U CN201920395749.9U CN201920395749U CN209724845U CN 209724845 U CN209724845 U CN 209724845U CN 201920395749 U CN201920395749 U CN 201920395749U CN 209724845 U CN209724845 U CN 209724845U
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Abstract
The utility model relates to technical field of hydraulic oil cylinder more particularly to a kind of high-voltage oil cylinders that ultra-thin resistance is small.Currently, ultra-thin oil cylinder is installed in some narrow spaces, but piston rod and cylinder body need to install guidance tape in ultra-thin oil cylinder, installation spring is sprung back, cause oil cylinder height higher, while piston rod opposing cylinder is easy deflection during jacking, cause resistance larger and wears aggravation.The utility model between piston rod assembly outer diameter and inboard wall of cylinder block by piston seal by being slidably and sealingly connected with, guiding is set on outside cylinder body, and it is slidably connected by sliding sleeve and outer wall of cylinder block, guide sleeve is connect with piston rod assembly upper end, fuel feed hole is equipped at cylinder base center, piston rod assembly is in axial sliding connection by sliding sleeve and cylinder body, the axially directed stability of oil cylinder is effectively improved, shortens the height of oil cylinder.The utility model is mainly used for hydraulic cylinder.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder more particularly to a kind of high-voltage oil cylinders that ultra-thin resistance is small.
Background technique
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion or the hydraulic of pendulum motion executes member
Part.Its structure is simple, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Movement is steady, therefore is used widely in the hydraulic system of various machinery.Currently, being installed in some narrow spaces super
Thin oil cylinder, but piston rod and cylinder body need to install guidance tape in ultra-thin oil cylinder, installation spring is sprung back, and oil cylinder height is caused
It is higher, while piston rod opposing cylinder is easy deflection during jacking, causes resistance larger and wears aggravation.
Utility model content
In order to solve the above technical problems, that the purpose of the utility model is to provide a kind of structures is simple, height is small and does not occur
The small high-voltage oil cylinder of the ultra-thin resistance of eccentric wear.
The technical solution of the utility model is as follows:
A kind of high-voltage oil cylinder that ultra-thin resistance is small, including guide sleeve 1, cylinder body 3, sliding sleeve 4, piston seal 5 and piston rod
Component 6；The cylinder body 3 is vertically arranged, and the piston rod assembly 6 is vertically arranged in 3 inner cavity of cylinder body, the piston rod assembly 6
It is slidably and sealingly connected between 3 inner wall of outer diameter and cylinder body by piston seal 5, the guide sleeve 1 is arranged outside cylinder body 3
Portion, and be slidably connected by sliding sleeve 4 and 3 outer wall of cylinder body, the guide sleeve 1 is connect with 6 upper end of piston rod assembly, in the cylinder body
3 bottom centers are equipped with fuel feed hole 32, and piston rod assembly is in axial sliding connection by sliding sleeve and cylinder body, is effectively mentioned
The high axially directed stability of oil cylinder, shortens the height of oil cylinder.
Preferably, it is equipped in the guide pin hole 12 at the 1 lower end outer diameter of guide sleeve through guide pin hole 12 is equipped with
Guide pin 2, is equipped with guide and limit slot 31 vertically at 3 lower outer diameter of cylinder body, and 2 one end of guide pin setting is limited in guiding
In the slot 31 of position, enables guide pin to pass through guide sleeve to limit the ceiling of piston rod assembly, effectively simplify structure.
Preferably, sliding sleeve card slot 11 is equipped on 1 inner wall of guide sleeve, the sliding sleeve 4 is arranged in sliding sleeve card slot 11,
Enable sliding sleeve to be connected to sliding sleeve card slot, axial limiting is carried out to sliding sleeve, effectively improves installation convenience.
Preferably, the piston rod assembly 6 includes magnet steel 61, spring 62 and piston rod 63；The piston rod 63 is set vertically
It sets in 3 inner cavity of cylinder body, the company of being slidingly sealed is carried out by piston seal 5 between 63 outer diameter of piston rod and 3 inner wall of cylinder body
It connects, the magnet steel 61 is arranged in 63 lower lumen of piston rod, and 61 upper end of magnet steel passes through spring 62 and 63 inner cavity of piston rod
Upper end connection, enables magnet steel to be attracted with cylinder base, and makes piston rod and cylinder body elastic connection by spring, drives piston rod
Backhaul, installation spring is more convenient, effectively simplifies the height for shortening oil cylinder.
Preferably, the material of the sliding sleeve 4 is polyformaldehyde or polytetrafluoroethylene (PTFE), so that the frictional resistance between sliding sleeve and cylinder body
It is smaller, efficiently reduce the resistance of oil cylinder.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
In figure: guide sleeve 1, guide pin 2, cylinder body 3, sliding sleeve 4, piston seal 5, piston rod assembly 6, sliding sleeve card slot 11,
Guide pin hole 12, guide and limit slot 31, fuel feed hole 32, magnet steel 61, spring 62, piston rod 63.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, a preferred embodiment of the utility model, the small high-voltage oil cylinder of the ultra-thin resistance, including guiding
Set 1, cylinder body 3, sliding sleeve 4, piston seal 5 and piston rod assembly 6；Cylinder body 3 is vertically arranged, and piston rod assembly 6 is vertically arranged in
In 3 inner cavity of cylinder body, it is slidably and sealingly connected with, is led by piston seal 5 between 3 inner wall of 6 outer diameter of piston rod assembly and cylinder body
It is arranged to set 1 and is slidably connected outside cylinder body 3, and through sliding sleeve 4 and 3 outer wall of cylinder body, guide sleeve 1 and 6 upper end of piston rod assembly
Connection is equipped with fuel feed hole 32 in 3 bottom center of cylinder body, and piston rod assembly is slid axially company by sliding sleeve and cylinder body
It connects, effectively improves the axially directed stability of oil cylinder, shorten the height of oil cylinder.Run through at 1 lower end outer diameter of guide sleeve and sets
There is guide pin hole 12, guide pin 2 be equipped in guide pin hole 12, is equipped with guide and limit slot 31 vertically at 3 lower outer diameter of cylinder body,
2 one end of guide pin is arranged in guide and limit slot 31, enables guide pin to pass through guide sleeve to limit the liter of piston rod assembly
Limit, effectively simplifies structure.Sliding sleeve card slot 11 is equipped on 1 inner wall of guide sleeve, sliding sleeve 4 is arranged in sliding sleeve card slot 11, makes
Sliding sleeve card slot can be connected to by obtaining sliding sleeve, carried out axial limiting to sliding sleeve, effectively improved installation convenience.Piston rod assembly
6 include magnet steel 61, spring 62 and piston rod 63；Piston rod 63 is vertically arranged in 3 inner cavity of cylinder body, 63 outer diameter of piston rod and cylinder body
It is slidably and sealingly connected between 3 inner walls by piston seal 5, magnet steel 61 is arranged in 63 lower lumen of piston rod, magnet steel
61 upper ends are connect by spring 62 with 63 inner cavity upper end of piston rod, magnet steel are attracted with cylinder base, and make by spring
Piston rod and cylinder body elastic connection drive piston rod backhaul, effectively simplify the height for shortening oil cylinder.The material of sliding sleeve 4
The resistance of oil cylinder is efficiently reduced so that the frictional resistance between sliding sleeve and cylinder body is smaller for polyformaldehyde or polytetrafluoroethylene (PTFE).
Working principle is as follows:
When oil cylinder needs to jack, hydraulic oil enters cylinder base, and then it of entrance piston rod and cylinder body from fuel feed hole
Between sealing space, push piston rod increase, and then drive guide sleeve increase, guide sleeve is by sliding on outer wall of cylinder block along axis
It is limited to sliding, and by guide pin in guide and limit slot.But when needing to decline, magnet steel is adsorbed on always cylinder base,
And it is retracted by spring handle piston rod.
Above are merely preferred embodiments of the utility model, it is not intended to limit the utility model, it is noted that for
For those skilled in the art, without deviating from the technical principle of the utility model, if can also make
Dry improvement and modification, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of high-voltage oil cylinder that ultra-thin resistance is small, it is characterised in that: including guide sleeve (1), cylinder body (3), sliding sleeve (4), piston
Sealing ring (5) and piston rod assembly (6)；The cylinder body (3) is vertically arranged, and the piston rod assembly (6) is vertically arranged in cylinder body
(3) it in inner cavity, is slidingly sealed between piston rod assembly (6) outer diameter and cylinder body (3) inner wall by piston seal (5)
Connection, guide sleeve (1) setting is external in cylinder body (3), and is slidably connected by sliding sleeve (4) and cylinder body (3) outer wall, described to lead
It is connect to set (1) with piston rod assembly (6) upper end, is equipped with fuel feed hole (32) in the cylinder body (3) bottom center.
2. a kind of small high-voltage oil cylinder of ultra-thin resistance according to claim 1, it is characterised in that: the guide sleeve (1)
Through guide pin hole (12) are equipped at the outer diameter of lower end, guide pin (2) are equipped in the guide pin hole (12), in the cylinder body
(3) it is equipped with vertically at lower outer diameter guide and limit slot (31), described guide pin (2) one end is arranged in guide and limit slot (31).
3. a kind of small high-voltage oil cylinder of ultra-thin resistance according to claim 1, it is characterised in that: in the guide sleeve
(1) inner wall is equipped with sliding sleeve card slot (11), and the sliding sleeve (4) is arranged in sliding sleeve card slot (11).
4. a kind of small high-voltage oil cylinder of ultra-thin resistance according to claim 1, it is characterised in that: the piston rod assembly
It (6) include magnet steel (61), spring (62) and piston rod (63)；The piston rod (63) is vertically arranged in cylinder body (3) inner cavity, institute
It states and is slidably and sealingly connected between piston rod (63) outer diameter and cylinder body (3) inner wall by piston seal (5), the magnet steel
(61) it is arranged in piston rod (63) lower lumen, magnet steel (61) upper end passes through on spring (62) and piston rod (63) inner cavity
End connection.
5. a kind of small high-voltage oil cylinder of ultra-thin resistance according to claim 1, it is characterised in that: the sliding sleeve (4)
Material is polyformaldehyde or polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395749.9U CN209724845U (en) | 2019-03-26 | 2019-03-26 | A kind of high-voltage oil cylinder that ultra-thin resistance is small |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395749.9U CN209724845U (en) | 2019-03-26 | 2019-03-26 | A kind of high-voltage oil cylinder that ultra-thin resistance is small |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724845U true CN209724845U (en) | 2019-12-03 |
Family
ID=68688749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920395749.9U Active CN209724845U (en) | 2019-03-26 | 2019-03-26 | A kind of high-voltage oil cylinder that ultra-thin resistance is small |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724845U (en) |
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2019
- 2019-03-26 CN CN201920395749.9U patent/CN209724845U/en active Active
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