CN206268171U - A kind of safety-type hydraulic cylinder - Google Patents
A kind of safety-type hydraulic cylinder Download PDFInfo
- Publication number
- CN206268171U CN206268171U CN201621389324.XU CN201621389324U CN206268171U CN 206268171 U CN206268171 U CN 206268171U CN 201621389324 U CN201621389324 U CN 201621389324U CN 206268171 U CN206268171 U CN 206268171U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- rotatable lamella
- safety
- piston
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of safety-type hydraulic cylinder, including cylinder body, piston, piston rod, fairlead, rotatable lamella, spring, piston, guiding are placed in cylinder body, and rodless cavity is formed between piston and cylinder body, and one end of piston rod is connected through fairlead with piston；Cylinder body is provided with hydraulic fluid port, and hydraulic fluid port is connected with rodless cavity, and interface channel, receiving space are additionally provided with cylinder body, and one end of interface channel is connected with rodless cavity, and the other end of interface channel is connected with receiving space, and receiving space is connected with the external world；Rotatable lamella, spring are placed in receiving space, and one end and the cylinder body of rotatable lamella are hinged, and the other end of rotatable lamella is free end, and rotatable lamella is used to close or open interface channel；One end of spring is connected with rotatable lamella, and the other end is fixedly connected with cylinder body, and both ends of the spring is smaller than its natural length.The utility model security is good.
Description
Technical field
The utility model is related to hydraulic cylinder technical field, more particularly to a kind of safety-type hydraulic cylinder.
Background technology
With the development of modern industry, hydraulic transmission technology is greatly applied and developed in global many industries, for example
The loading machine of engineering machinery, bull-dozer and road roller etc.；The fork truck of handling machinery, belt conveyer and truck crane etc., build
Build mechanical piling machine, hydraulic jack pacifically machine etc., agricultural machinery, auto industry, mining machinery, metallurgical machinery etc., liquid
Pressure drive apparatus are generally made up of four kinds of elements such as power, execution, control and auxiliary, and oil cylinder belongs to executive component, and hydraulic pressure
Cylinder as realizing straight reciprocating motion, the hydraulic mechanism of oscillating traverse motion, simple structure, reliable operation is also hydraulic system
The middle a very wide range of main executive component of application, it is the fluid pressure that prime mover is driven hydraulic pump generation in mechanical energy form
Can, then become that load can be directly driven and move back and forth, a kind of energy conversion device of the mechanical energy of oscillating traverse motion.
Existing hydraulic cylinder is when load-bearing is excessive, it is impossible to enough timely to process, and is easily damaged hydraulic cylinder, needs further to be changed
Enter.
Utility model content
In order to solve technical problem present in background technology, the utility model proposes a kind of safety-type hydraulic cylinder, effect
It is really good.
A kind of safety-type hydraulic cylinder, including cylinder body, piston, piston rod, fairlead, rotatable lamella, spring, piston, fairlead
It is placed in cylinder body, rodless cavity is formed between piston and cylinder body, one end of piston rod is connected through fairlead with piston；Set on cylinder body
There is hydraulic fluid port, hydraulic fluid port is connected with rodless cavity, interface channel, receiving space, one end of interface channel and rodless cavity are additionally provided with cylinder body
Connection, the other end of interface channel is connected with receiving space, and receiving space is connected with the external world；Rotatable lamella, spring are placed in accommodating
In space, one end and the cylinder body of rotatable lamella are hinged, and the other end of rotatable lamella is free end, and rotatable lamella is used to close or open connection
Passage；One end of spring is connected with rotatable lamella, and the other end is fixedly connected with cylinder body, both ends of the spring to be smaller than it naturally long
Degree.
Preferably, also including oil inlet pipe, the first end of oil inlet pipe is connected with hydraulic fluid port, and the second end of oil inlet pipe is to away from hydraulic fluid port
Direction extend, the inner circumferential surface of oil inlet pipe is provided with internal thread.
Preferably, interior its first end without leave of oil inlet pipe gradually increases to its second end.
Preferably, also including sealing ring, sealing ring is made up of elastomeric material, and first end and the oil-feed seal of tube of sealing ring connect
Connect, the other end of sealing ring extends to the direction away from hydraulic fluid port.
Preferably, also including strap-like member, connector, strap-like member at least its two end regions are provided with shackle member；The two of connector
End regions are equipped with the fastener being engaged with shackle member.
Preferably, shackle member is the through hole through strap-like member；Fastener is the claw being engaged with counterbore.
Preferably, claw is gradually inclined to its top from its root to the middle part of connector.
In the utility model, when the oil pressure in rodless cavity is excessive, hydraulic oil overcomes the elastic force of spring by interface channel,
Push rotatable lamella open and enter receiving space, hydraulic oil is discharged by interface channel, receiving space, effectively avoids the generation of accident,
Improve security.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of strap-like member；
Fig. 3 is the structural representation of connector.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutual combination；Below with reference to the accompanying drawings and in conjunction with the embodiments the utility model is elaborated.
Reference picture 1,2,3：
The utility model proposes a kind of safety-type hydraulic cylinder, including cylinder body 1, piston, piston rod 3, fairlead 4, rotate
Piece 5, spring 6, piston, fairlead 4 are placed in cylinder body 1, and rodless cavity is formed between piston and cylinder body 1, and one end of piston rod 3 passes through
Fairlead 4 is connected with piston；Cylinder body 1 is provided with hydraulic fluid port 7, and hydraulic fluid port 7 is connected with rodless cavity, be additionally provided with cylinder body 1 interface channel 8,
Receiving space 9, one end of interface channel 8 is connected with rodless cavity, and the other end of interface channel 8 is connected with receiving space 9, accommodates empty
Between 9 with the external world be connected；Rotatable lamella 5, spring 6 are placed in receiving space 9, and one end and the cylinder body 1 of rotatable lamella 5 are hinged, rotatable lamella 5
The other end be free end, rotatable lamella 5 be used for close or open interface channel 8；One end of spring 6 is connected with rotatable lamella 5, another
End is fixedly connected with cylinder body 1, and spring 6 two ends are smaller than its natural length.
The present embodiment also includes oil inlet pipe 10, and the first end of oil inlet pipe 10 is connected with hydraulic fluid port 7, the second end of oil inlet pipe 10 to
Direction away from hydraulic fluid port 7 extends, and the inner circumferential surface of oil inlet pipe 10 is provided with internal thread；When needing to being passed through hydraulic oil in rodless cavity
Or from hydraulic fluid port 7 discharge hydraulic oil when, allow outer tube Q to be placed in oil inlet pipe 10, fixed using internal thread and outer tube Q and connected
Connect, realize sealing.
In the present embodiment, interior its first end without leave of oil inlet pipe 10 gradually increases to its second end；It is easy to and different size
Outer tube Q is connected, and adaptability is good.
The present embodiment also includes sealing ring 11, and sealing ring 11 is made up of elastomeric material, the first end of sealing ring 11 and oil-feed
Pipe 10 is tightly connected, and the other end of sealing ring 11 extends to the direction away from hydraulic fluid port 7；Sealing ring 11 is allowed to be fitted with external component Q,
Avoid hydraulic oil from revealing, improve using effect, improve security.
The present embodiment also includes strap-like member 12, connector 13, and at least its two end regions of strap-like member 12 are provided with shackle member；Connection
Two end regions of part 13 are equipped with the fastener being engaged with shackle member；Allow fastener to be coupled together with shackle member, allow strap-like member
12 compress sealing ring 11, allow sealing ring 11 to be brought into close contact with external component Q, are prevented effectively from leakage and produce.
In the present embodiment, shackle member is the through hole 14 through strap-like member 12；Fastener is the claw 15 being engaged with counterbore；
Claw 15 is allowed to be placed in through hole 14.
In the present embodiment, claw 15 is gradually inclined to its top from its root to the middle part of connector 13；Avoid from through hole
Separated in 14.
When the oil pressure in rodless cavity is excessive, hydraulic oil overcomes the elastic force of spring by interface channel, pushes rotatable lamella open and enters
Enter receiving space, hydraulic oil is discharged by interface channel, receiving space, effectively avoids the generation of accident, improves security.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any one skilled in the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (7)
1. a kind of safety-type hydraulic cylinder, it is characterised in that including cylinder body, piston, piston rod, fairlead, rotatable lamella, spring, it is living
Plug, guiding are placed in cylinder body, and rodless cavity is formed between piston and cylinder body, and one end of piston rod connects through fairlead with piston
Connect；Cylinder body is provided with hydraulic fluid port, and hydraulic fluid port is connected with rodless cavity, and interface channel, receiving space, the one of interface channel are additionally provided with cylinder body
End is connected with rodless cavity, and the other end of interface channel is connected with receiving space, and receiving space is connected with the external world；Rotatable lamella, spring
It is placed in receiving space, one end and the cylinder body of rotatable lamella are hinged, the other end of rotatable lamella is free end, and rotatable lamella is used to close
Or open interface channel；One end of spring is connected with rotatable lamella, the other end is fixedly connected with cylinder body, and both ends of the spring is smaller than
Its natural length.
2. safety-type hydraulic cylinder according to claim 1, it is characterised in that also including oil inlet pipe, the first end of oil inlet pipe
It is connected with hydraulic fluid port, the second end of oil inlet pipe extends to the direction away from hydraulic fluid port, and the inner circumferential surface of oil inlet pipe is provided with internal thread.
3. safety-type hydraulic cylinder according to claim 2, it is characterised in that interior its first end without leave of oil inlet pipe to its
Two ends gradually increase.
4. safety-type hydraulic cylinder according to claim 2, it is characterised in that also including sealing ring, sealing ring is by elastic material
Material is made, and first end and the oil inlet pipe of sealing ring are tightly connected, and the other end of sealing ring extends to the direction away from hydraulic fluid port.
5. safety-type hydraulic cylinder according to claim 4, it is characterised in that also including strap-like member, connector, strap-like member is extremely
Few its two end regions are provided with shackle member；Two end regions of connector are equipped with the fastener being engaged with shackle member.
6. safety-type hydraulic cylinder according to claim 5, it is characterised in that shackle member is the through hole through strap-like member；Card
Component is the claw being engaged with counterbore.
7. safety-type hydraulic cylinder according to claim 6, it is characterised in that claw is from its root to its top gradually to even
The middle part of fitting inclines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389324.XU CN206268171U (en) | 2016-12-16 | 2016-12-16 | A kind of safety-type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389324.XU CN206268171U (en) | 2016-12-16 | 2016-12-16 | A kind of safety-type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268171U true CN206268171U (en) | 2017-06-20 |
Family
ID=59045807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389324.XU Expired - Fee Related CN206268171U (en) | 2016-12-16 | 2016-12-16 | A kind of safety-type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268171U (en) |
-
2016
- 2016-12-16 CN CN201621389324.XU patent/CN206268171U/en not_active Expired - Fee Related
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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: 20170620 Termination date: 20211216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |