CN208040814U - A kind of hydraulic cylinder of good airproof performance - Google Patents
A kind of hydraulic cylinder of good airproof performance Download PDFInfo
- Publication number
- CN208040814U CN208040814U CN201820393980.XU CN201820393980U CN208040814U CN 208040814 U CN208040814 U CN 208040814U CN 201820393980 U CN201820393980 U CN 201820393980U CN 208040814 U CN208040814 U CN 208040814U
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- cylinder
- piston rod
- cylinder body
- piston
- sealing element
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Abstract
The utility model discloses a kind of hydraulic cylinders of good airproof performance, including cylinder body, the left end of the cylinder body is provided with cylinder bottom, the contact position of the cylinder bottom and cylinder body is provided with first seal, the right end of the cylinder body is provided with cylinder cap, the cylinder bottom and cylinder cap are connect by retaining mechanism with cylinder body, it is provided with piston in the inner cavity of the cylinder body, piston rod and guide sleeve, the piston rod runs through cylinder cap, piston and guide sleeve, the contact position of the piston and cylinder body is provided with second seal, the contact position of the piston and piston rod is provided with third sealing element, the contact position of the guide sleeve and cylinder body and piston rod is respectively arranged with the 4th sealing element and the 5th sealing element, the right end of the piston rod is equipped with clamping ring by bindiny mechanism, it is provided with elastic rubber ring in the annular groove.The utility model has good leakproofness, avoids that oil leak occurs, is not easy to loosen, and ensures stability when hydraulic cylinder work.
Description
Technical field
The utility model is related to technical field of hydraulic oil cylinder, specially a kind of hydraulic cylinder of good airproof performance.
Background technology
Hydraulic cylinder is the hydraulic pressure execution that hydraulic energy is changed into mechanical energy, does straight reciprocating motion (or pendulum motion)
Element.Its simple in structure, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and without between transmission
Gap, stable movement, therefore be used widely in the hydraulic system of various machineries.
The leakproofness of existing many hydraulic cylinders is bad, can lead to hydraulic fluid leak, seriously affects working environment, and living
Stopper rod dismounts for convenience with clamping ring, is generally used threaded connection, but after prolonged use, easily loosens, influences hydraulic pressure
Stability when cylinder efficient.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic cylinders of good airproof performance, have good leakproofness, avoid
Oil leak occurs, is not easy to loosen, ensures stability when hydraulic cylinder work, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of hydraulic cylinder of good airproof performance, including
The left end of cylinder body, the cylinder body is provided with cylinder bottom, is provided with retainer plate on the cylinder bottom, and the contact position of the cylinder bottom and cylinder body is set
It is equipped with first seal, the right end of the cylinder body is provided with cylinder cap, and the cylinder bottom and cylinder cap are connect by retaining mechanism with cylinder body,
It is provided with the first hydraulic fluid port and the second hydraulic fluid port on the cylinder body, piston, piston rod and guide sleeve are provided in the inner cavity of the cylinder body,
The piston rod runs through cylinder cap, piston and guide sleeve, and the contact position of the piston and cylinder body is provided with second seal, the work
The contact position of plug and piston rod is provided with third sealing element, and the contact position of the guide sleeve and cylinder body and piston rod is respectively arranged with
The right end of 4th sealing element and the 5th sealing element, the piston rod is equipped with clamping ring by bindiny mechanism, the piston rod
Annular groove is offered on right side, and elastic rubber ring is provided in the annular groove.
Preferably, the first seal, second seal, third sealing element, the 4th sealing element and the 5th sealing element are equal
For rubber washer.
Preferably, dustband is provided on the cylinder cap, the dustband is connect with plunger rod contacts.
Preferably, the retaining mechanism includes double threaded screw and nut, and the both ends of the double threaded screw extend through cylinder bottom
It is locked with cylinder cap and by nut.
Preferably, it is provided with rubber buffer on the left side of the piston rod.
Preferably, the bindiny mechanism includes limited block and sleeve, and the limited block is an integral molding structure with clamping ring,
The limited block is fastened in sleeve, and the sleeve is threadedly coupled with the right end of piston rod.
Compared with prior art, the utility model has the beneficial effects that：
1, by multigroup sealing element, make the hydraulic cylinder that there is good leakproofness, avoid that oil leak occurs；
2, limited block can be pushed against by elastic rubber ring, makes the stable connection of sleeve and piston rod, be not easy to loosen, ensureing should
Stability when hydraulic cylinder works；
3, the structure design of the utility model is reasonable, and installing and dismounting is simple, and service life is long, has social utility's value, value
It must promote.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is enlarged diagram at A in Fig. 2 of the utility model.
In figure：1 cylinder body, 2 cylinder bottoms, 3 retainer plates, 4 first seals, 5 cylinder caps, 6 retaining mechanisms, 61 double threaded screws, 62 spiral shells
Mother, 7 first hydraulic fluid ports, 8 second hydraulic fluid ports, 9 pistons, 10 piston rods, 11 guide sleeves, 12 second seals, 13 third sealing elements, 14
Four sealing elements, 15 the 5th sealing elements, 16 bindiny mechanisms, 161 limited blocks, 162 sleeves, 17 clamping rings, 18 annular grooves, 19 elastic rubbers
Cushion rubber, 20 dustbands, 21 rubber buffers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of hydraulic cylinder of good airproof performance, including cylinder
The left end of body 1, the cylinder body 1 is provided with cylinder bottom 2, and retainer plate 3 is provided on the cylinder bottom 2, and retainer plate 3 is used for the hydraulic cylinder
Installation fix, the contact position of the cylinder bottom 2 and cylinder body 1 is provided with first seal 4, and the right end of the cylinder body 1 is provided with cylinder
Lid 5, the cylinder bottom 2 and cylinder cap 5 are connect by retaining mechanism 6 with cylinder body 1, and the first hydraulic fluid port 7 and second is provided on the cylinder body 1
Hydraulic fluid port 8, the first hydraulic fluid port 7 and the second hydraulic fluid port 8 form hydraulic circuit, are arranged in the inner cavity of the cylinder body 1 for connecting hydraulic oil pipe
Have piston 9, piston rod 10 and a guide sleeve 11, the piston rod 10 runs through cylinder cap 5, piston 9 and guide sleeve 11, the piston 9 with
The contact position of cylinder body 1 is provided with second seal 12, and the piston 9 and the contact position of piston rod 10 are provided with third sealing element
13, the guide sleeve 11 and the contact position of cylinder body 1 and piston rod 10 are respectively arranged with the 4th sealing element 14 and the 5th sealing element 15,
By multigroup sealing element, make the hydraulic cylinder that there is good leakproofness, avoids that oil leak occurs, the right end of the piston rod 10 is logical
It crosses bindiny mechanism 16 and clamping ring 17 is installed, annular groove 18, the annular groove 18 are offered on the right side of the piston rod 10
In be provided with elastic rubber ring 19, limited block 161 can be pushed against by elastic rubber ring 19, make the company of sleeve 162 and piston rod 10
It connects firm, is not easy to loosen, ensure stability when hydraulic cylinder work.
Specifically, the first seal 4, second seal 12, third sealing element 13, the 4th sealing element 14 and the 5th are close
Sealing 15 is rubber washer, and rubber washer has good leakproofness.
Specifically, being provided with dustband 20 on the cylinder cap 5, the dustband 20 is connected with piston rod 10, dust-proof
The impurity on 20 scraped piston rods 10 is enclosed, impurity is avoided to enter the inside of cylinder body 1.
Specifically, the retaining mechanism 6 includes double threaded screw 61 and nut 62, the both ends of the double threaded screw 61 are passed through respectively
It wears cylinder bottom 2 and cylinder cap 5 and is locked by nut 62, installing and dismounting is simple, is convenient for maintenance and repair.
Specifically, being provided with rubber buffer 21 on the left side of the piston rod 10, rubber buffer 21 can be in piston
When bar 10 bounces back, impact of the damper piston bar 10 to cylinder bottom 2.
Specifically, the bindiny mechanism 16 includes limited block 161 and sleeve 162, the limited block 161 is with clamping ring 17
Integrated formed structure, the limited block 161 are fastened in sleeve 162, and the sleeve 162 and the right end screw thread of piston rod 10 connect
It connects, limited block 161 and sleeve 162 facilitate and replaced convenient for the installing and dismounting of clamping ring 17.
Operation principle：In use, being installed to the hydraulic cylinder by retainer plate 3, clamping ring 17 is passed through into sleeve 162
It is mounted on piston rod 10 with limited block 161, then clamping ring 17 is connected to and is needed on flexible object, pass through the first hydraulic fluid port 7
It is connected with hydraulic oil system with the second hydraulic fluid port 8, gives the hydraulic cylinder fuel feeding, to control the flexible of piston rod 10, drives object
It is moved.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of hydraulic cylinder of good airproof performance, including cylinder body (1), it is characterised in that：The left end of the cylinder body (1) is provided with cylinder
Bottom (2), retainer plate (3) is provided on the cylinder bottom (2), and the cylinder bottom (2) and the contact position of cylinder body (1) are provided with the first sealing
The right end of part (4), the cylinder body (1) is provided with cylinder cap (5), and the cylinder bottom (2) and cylinder cap (5) pass through retaining mechanism (6) and cylinder
Body (1) connects, and is provided with the first hydraulic fluid port (7) and the second hydraulic fluid port (8) on the cylinder body (1), is arranged in the inner cavity of the cylinder body (1)
There are piston (9), piston rod (10) and guide sleeve (11), the piston rod (10) to run through cylinder cap (5), piston (9) and guide sleeve
(11), the contact position of the piston (9) and cylinder body (1) is provided with second seal (12), the piston (9) and piston rod (10)
Contact position be provided with third sealing element (13), the guide sleeve (11) and the contact position of cylinder body (1) and piston rod (10) difference
It is provided with the 4th sealing element (14) and the 5th sealing element (15), the right end of the piston rod (10) is installed by bindiny mechanism (16)
There is clamping ring (17), annular groove (18) is offered on the right side of the piston rod (10), is provided in the annular groove (18)
Elastic rubber ring (19).
2. a kind of hydraulic cylinder of good airproof performance according to claim 1, it is characterised in that：The first seal (4),
Second seal (12), third sealing element (13), the 4th sealing element (14) and the 5th sealing element (15) are rubber washer.
3. a kind of hydraulic cylinder of good airproof performance according to claim 1, it is characterised in that：It is arranged on the cylinder cap (5)
There are dustband (20), the dustband (20) to be connected with piston rod (10).
4. a kind of hydraulic cylinder of good airproof performance according to claim 1, it is characterised in that：Retaining mechanism (6) packet
Double threaded screw (61) and nut (62) are included, the both ends of the double threaded screw (61) extend through cylinder bottom (2) and cylinder cap (5) and pass through
Nut (62) is locked.
5. a kind of hydraulic cylinder of good airproof performance according to claim 1, it is characterised in that：A left side for the piston rod (10)
Rubber buffer (21) is provided on end face.
6. a kind of hydraulic cylinder of good airproof performance according to claim 1, it is characterised in that：Bindiny mechanism (16) packet
Limited block (161) and sleeve (162) are included, the limited block (161) is an integral molding structure with clamping ring (17), the limited block
(161) it is fastened in sleeve (162), the sleeve (162) is threadedly coupled with the right end of piston rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820393980.XU CN208040814U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic cylinder of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820393980.XU CN208040814U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic cylinder of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040814U true CN208040814U (en) | 2018-11-02 |
Family
ID=63947911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820393980.XU Expired - Fee Related CN208040814U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic cylinder of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131236A (en) * | 2019-05-30 | 2019-08-16 | 海盐新星机电有限公司 | A kind of multi-layer sealed oil cylinder of good buffer effect |
| CN113007174A (en) * | 2021-04-02 | 2021-06-22 | 刘斌霞 | Novel anticorrosive wear-resisting integral type hydraulic cylinder |
| CN113775609A (en) * | 2021-10-08 | 2021-12-10 | 扬州旭欣气动液压设备有限公司 | Overheating-prevention hydraulic oil cylinder with buffer structure |
-
2018
- 2018-03-22 CN CN201820393980.XU patent/CN208040814U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131236A (en) * | 2019-05-30 | 2019-08-16 | 海盐新星机电有限公司 | A kind of multi-layer sealed oil cylinder of good buffer effect |
| CN113007174A (en) * | 2021-04-02 | 2021-06-22 | 刘斌霞 | Novel anticorrosive wear-resisting integral type hydraulic cylinder |
| CN113775609A (en) * | 2021-10-08 | 2021-12-10 | 扬州旭欣气动液压设备有限公司 | Overheating-prevention hydraulic oil cylinder with buffer structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20210322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |