CN207080445U - Mechanical interlocking hydraulic jack - Google Patents
Mechanical interlocking hydraulic jack Download PDFInfo
- Publication number
- CN207080445U CN207080445U CN201720993879.3U CN201720993879U CN207080445U CN 207080445 U CN207080445 U CN 207080445U CN 201720993879 U CN201720993879 U CN 201720993879U CN 207080445 U CN207080445 U CN 207080445U
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- CN
- China
- Prior art keywords
- latch segment
- cylinder body
- piston
- chute
- hydraulic jack
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Abstract
It the utility model is related to hydraulic jack equipment technical field,More particularly, to a kind of mechanical interlocking hydraulic jack,Including cylinder body,Piston and piston rod,The piston is arranged on the piston rod,The piston is slidably arranged in the cylinder body,And the cylinder body is divided into spaced rod chamber and rodless cavity,Also include latch segment and spring,The cylinder body is provided with the first hydraulic fluid port connected with the rod chamber,The cylinder body is provided with the second hydraulic fluid port connected with the rodless cavity,The contact surface of the piston and the cylinder body internal perisporium offers chute,The chute matches with the latch segment,The utility model mechanical interlocking hydraulic jack is when in use,When piston rod is retracted in cylinder body,By setting latch segment to be cooperated with the annular slot on inboard wall of cylinder block on piston,So that piston rod is fixed,The protective effect to hydraulic jack is played when hydraulic jack fails.
Description
Technical field
Hydraulic jack equipment technical field is the utility model is related to, more particularly, to a kind of mechanical interlocking hydraulic jack.
Background technology
With the fast development of economic construction of China, hydraulic system is increasingly increasing in the application of engineering machinery field.
Hydraulic system be using hydraulic oil as working media, using hydraulic oil pressure energy and pass through hydraulic control component etc. manipulate hydraulic pressure
The package unit of executing agency's work.Hydraulic jack is that hydraulic energy is changed into mechanical energy in hydraulic system, and it is past to do straight line
The hydraulic actuator of multiple motion or oscillating motion.During with it to realize reciprocating motion, without drive gap, stable movement, because
This is used widely in various mechanical hydraulic systems.
Hydraulic jack generally includes gray iron, piston and piston rod, and piston is fixed on the piston rod by nut etc.,
Cylinder body is divided into rod chamber and rodless cavity.Existing oil cylinder is in failure, because piston rod does not protect locking device to piston rod
Fix, stretched out under the active force of piston rod itself, band piston is slided in cylinder body, so as to cause piston and work
Stopper rod collides with cylinder body so that cylinder body, piston or piston rod damage, when there is staff on the scene, it is easy to making
It is injured to obtain staff.
Utility model content
The technical problems to be solved in the utility model is：In order to solve existing oil cylinder in failure, because piston rod does not have
The problem of protection locking device fixes to piston rod, now provides a kind of mechanical interlocking hydraulic jack.
Technical scheme is used by the utility model solves its technical problem：A kind of mechanical interlocking hydraulic jack, including
Cylinder body, piston and piston rod, the piston are arranged on the piston rod, and the piston is slidably arranged in the cylinder body, and
The cylinder body is divided into spaced rod chamber and rodless cavity, in addition to latch segment and spring, the cylinder body be provided with
First hydraulic fluid port of rod chamber connection, the cylinder body are provided with the second hydraulic fluid port connect with the rodless cavity, the piston and
The contact surface of the cylinder body internal perisporium offers chute, and the chute matches with the latch segment, and the latch segment is slided and set
Put in the chute, the spring is arranged between the latch segment and the chute, and the cylinder body internal perisporium is away from piston
One end of bar offers annular slot, and the annular slot matches with the latch segment, and the annular slot is located at the nothing
In rod cavity, the latch segment is fastened in the annular slot, and the latch segment is provided with the scope of operation, when hydraulic oil acts on institute
When stating the scope of operation, latch segment is forced to slide simultaneously compression spring in chute under the active force of hydraulic oil, and latch segment is taken off
From annular slot.
The utility model on piston by setting latch segment, and in rodless cavity oil-feed, locking is acted on by hydraulic oil
In the scope of operation on block, latch segment is forced to slide simultaneously compression spring in chute under the active force of hydraulic oil, and cause locking
Block departs from annular slot, and piston rod can slide in cylinder body, and in rod chamber oil-feed, hydraulic oil promotes piston sliding in cylinder body
It is dynamic, when the latch segment on piston and annular slot to it is corresponding when latch segment be fastened under the force of a spring in annular slot, from
And the displacement of piston rod is limited, hydraulic jack is effectively prevented in failure, and piston rod stretches out the phenomenon of cylinder body.
Enter due to having hydraulic oil between chute and latch segment, that is, enter hydraulic pressure in the space of spring one end
Oil, so as to cause in rodless cavity oil-feed, the power for the scope of operation that hydraulic oil is acted on latch segment can not make latch segment in chute
, there is latch segment stuck phenomenon in interior slip, thus needs hydraulic jack demolition and maintenance, that is, by between chute and latch segment
Hydraulic oil remove, it is relatively time-consuming to take a lot of work, reduce operating efficiency, further, passage, the passage are offered on the piston
One end connected with the chute, the other end of the passage connects with the rod chamber.By setting passage on piston,
During rodless cavity oil-feed, the hydraulic oil in chute will be entered in rod chamber by passage, prevent the phenomenon that latch segment is stuck, when
During rod chamber oil-feed, while when spring force is snapped onto in neck insufficient for latch segment, hydraulic oil has upwards to latch segment
The active force on top, so that latch segment card is set in annular slot.
For the ease of the processing and manufacture of piston upper channel, further, the piston includes pedestal and plunger, the base
Seat is arranged on the piston rod, and the plunger is detachably connected on the one end of pedestal away from piston rod, and the chute is arranged on
On the plunger, first through hole is offered on the plunger, the first through hole is connected with chute, and is offered on the pedestal
Two through holes, it is interconnected between the first through hole and second through hole and forms passage.By the way that pedestal and plunger are formed
Piston, plunger screw are connected on pedestal, and the first through hole connected with chute is opened up on plunger, while are opened on pedestal
It is interconnected if the second through hole, between first through hole and the second through hole and forms passage, reduces the difficulty of processing of piston upper channel.
In order to preferably make the hydraulic oil in chute be discharged by passage, ensure that latch segment smoothly departs from annular slot, enter
One step, the slideway to match with spring is offered on the latch segment, the slideway is set along latch segment direction of displacement, described
Spring is arranged in the slideway, and pod apertures are provided with the latch segment, and the pod apertures and the slideway are arranged in a crossed manner simultaneously
It is interconnected, the pod apertures are corresponding with one end that the passage is located at chute and connect.Slideway to spring have be oriented to and
Position-limiting action so that latch segment can be snapped onto smoothly in annular slot, while pod apertures cause the liquid in spring bottom space
Force feed can be entered in passage by pod apertures, and the hydraulic oil for preventing from being more than causes the phenomenon that latch segment card is set.
Because latch segment is when snapping onto in annular slot, cylinder body internal perisporium can be caused to hit under the force of a spring
Hit, cylinder interior damage parts can be caused for a long time, further, damping ring is provided with the annular slot.In order to reduce locking
Shock of the block to cylinder body, by setting damping ring in annular slot so that latch segment is when snapping onto annular slot and vibration damping
Ring contacts, so as to reduce impact of the latch segment to cylinder body.
Because latch segment is when snapping onto in annular slot, cylinder body internal perisporium can be caused to hit under the force of a spring
Hit, cylinder interior damage parts can be caused for a long time, further, the latch segment is provided with nylon spacer close to the side of cylinder body.
In order to reduce shock of the latch segment to cylinder body, by setting nylon spacer on latch segment so that latch segment is snapping onto annular
During neck, nylon spacer contacts with inboard wall of cylinder block, so as to reduce impact of the latch segment to cylinder body.
The beneficial effects of the utility model are：The utility model mechanical interlocking hydraulic jack when in use, is received in piston rod
When being reduced in cylinder body, by setting latch segment to be cooperated with the annular slot on inboard wall of cylinder block on piston so that piston rod
It is fixed, the protective effect to hydraulic jack is played when hydraulic jack fails, avoids existing oil cylinder in failure, by
Do not protect locking device to fix piston rod in piston rod, stretched out under the active force of piston rod itself, driven
Piston slides in cylinder body, so as to cause piston to be collided with piston rod and cylinder body so that cylinder body, piston or piston rod damage
It is bad, when there is staff on the scene, it is easy to pair cause staff's injury the problem of.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the utility model embodiment 1；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is the partial enlarged drawing of B in Fig. 1；
Fig. 4 is the structural representation between cylinder body and latch segment in the utility model embodiment 1；
Fig. 5 is the structural representation between cylinder body and latch segment in the utility model embodiment 2.
In figure：1st, cylinder body, 101, rod chamber, 102, rodless cavity, the 103, first hydraulic fluid port, the 104, second hydraulic fluid port, 105, annular
Neck, 2, piston, 201, pedestal, 202, plunger, 3, piston rod, 4, latch segment, 401, the scope of operation, 5, spring, 6, chute, 7, logical
Road, 8, first through hole, the 9, second through hole, 10, slideway, 11, pod apertures, 12, damping ring, 13, nylon spacer.
Embodiment
Presently in connection with accompanying drawing, the utility model is described in more detail.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As Figure 1-4, a kind of mechanical interlocking hydraulic jack, including cylinder body 1, piston 2 and piston rod 3, the piston 2 are set
Put on the piston rod 3, the piston 2 is slidably arranged in the cylinder body 1, and the cylinder body 1 is divided to be spaced from each other
Rod chamber 101 and rodless cavity 102, in addition to latch segment 4 and spring 5, the cylinder body 1 is provided with to be connected with the rod chamber 101
The first logical hydraulic fluid port 103, the cylinder body 1 are provided with the second hydraulic fluid port 104 connected with the rodless cavity 102, the piston 2 and institute
The contact surface for stating the internal perisporium of cylinder body 1 offers chute 6, and the chute 6 matches with the latch segment 4, and the latch segment 4 slides
It is arranged in the chute 6, the spring 5 is arranged between the latch segment 4 and the chute 6, and the internal perisporium of cylinder body 1 is remote
One end from piston rod 3 offers annular slot 105, and the annular slot 105 matches with the latch segment 4, the annular
Neck 105 is located in the rodless cavity 102, and the latch segment 4 is fastened in the annular slot 105, is set on the latch segment 4
There is the scope of operation 401, there is gap between the scope of operation 401 and the internal perisporium of annular slot 105, when hydraulic oil acts on the scope of operation
When 401, latch segment 4 is forced to slide simultaneously compression spring 5 in chute 6 under the active force of hydraulic oil, and latch segment 4 is departed from
Annular slot 105.Latch segment 4 includes sliding block and limited block simultaneously, and sliding block is fixedly connected by screw with limited block, sliding block and cunning
What groove 6 matched, and the stopper slot to match with limited block is offered on the piston 2, limited block is arranged in chute 6.
Passage 7 is offered on the piston 2, one end of the passage 7 connects with the chute 6, the passage 7 it is another
End connects with the rod chamber 101.
The piston 2 includes pedestal 201 and plunger 202, and the pedestal 201 is arranged on the piston rod 3, the plunger
202 are threaded in the one end of pedestal 201 away from piston rod 3, and the chute 6 is arranged on the plunger 202, the plunger
First through hole 8 is offered on 202, the first through hole 8 is connected with chute 6, and the second through hole 9, institute are offered on the pedestal 201
State and passage 7 is interconnected and formed between first through hole 8 and second through hole 9.
Offer the slideway 10 to match with spring 5 on the latch segment 4, the slideway 10 is along the direction of displacement of latch segment 4
Set, the spring 5 is arranged in the slideway 10, and pod apertures 11, the pod apertures 11 and institute are provided with the latch segment 4
It is arranged in a crossed manner and be interconnected to state slideway 10, the pod apertures 11 are corresponding with one end that the passage 7 is located at chute 6 and even
It is logical.
Damping ring 12 is provided with the annular slot 105.The latch segment 4 is provided with nylon spacer close to the side of cylinder body 1
13.The material of damping ring 12 and nylon spacer 13 is PTFE.
When using, piston rod 3 is contracted in cylinder body 1 above-mentioned mechanical interlocking hydraulic jack, by defeated in the second hydraulic fluid port 104
Enter hydraulic oil so that hydraulic oil is entered in the rodless cavity 102 in cylinder body 1, due to latch segment 4 the scope of operation 401 and cylinder body 1 it
Between there is gap so that the active force of hydraulic oil is acted in the scope of operation 401 of latch segment 4, forces latch segment 4 in plunger 202
On chute 6 in slide and extrude the spring 5 in slideway 10, while the hydraulic oil in the bottom of chute 6 is entered by pod apertures 11
Into passage 7, hydraulic oil is entered in rod chamber 101 by passage 7 again, when latch segment 4 departs from annular slot 105, hydraulic oil
Piston 2 is promoted to be slided in cylinder body 1 so that piston rod 3 stretches out；When the first 103 oil-feed of hydraulic fluid port, piston 2 is promoted in cylinder body 1
Slide, drive piston rod 3 to be retracted in cylinder body 1, when latch segment 4 is corresponding with annular slot 105, in the active force of spring 5
Under so that the card of latch segment 4 is set in annular slot 105, and annular slot 105 is entrapped in insufficient for latch segment 4 in the power of spring 5
When, the hydraulic oil of rod chamber 101 is reached in pod apertures 11 by passage 7, then by passage 7, hydraulic oil have to latch segment 4 one to
The active force on upper top so that the card of latch segment 4 is set in annular slot 105, the damping ring 12 in annular slot 105 and latch segment 4
On nylon spacer 13 be provided to reduce latch segment 4 to the impact of cylinder body 1.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：As shown in figure 5, the scope of operation 401 is with guide function on latch segment 4
Inclined-plane, when hydraulic oil is acted on inclined-plane, a force component is simultaneously decomposed into and promotes latch segment 4 to chute by inclined-plane stress
6 active forces slided, so that latch segment 4 departs from annular slot 105, another way realizes the latch segment 4 in chute 6
Slide.
It is above-mentioned according to desirable embodiment of the present utility model for enlightenment, pass through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practical
New technical scope is not limited to the content on specification, it is necessary to determines that its is technical according to right
Scope.
Claims (6)
1. a kind of mechanical interlocking hydraulic jack, including cylinder body (1), piston (2) and piston rod (3), the piston (2) are arranged on institute
State on piston rod (3), the piston (2) is slidably arranged in the cylinder body (1), and the cylinder body (1) is divided into spaced
The rod chamber (101) and rodless cavity (102) opened, it is characterised in that：Also include latch segment (4) and spring (5), the cylinder body (1)
The first hydraulic fluid port (103) connected with the rod chamber (101) is provided with, the cylinder body (1) is provided with and the rodless cavity (102)
The second hydraulic fluid port (104) of connection, the piston (2) and the contact surface of the cylinder body (1) internal perisporium offer chute (6), described
Chute (6) matches with the latch segment (4), and the latch segment (4) is slidably arranged in the chute (6), the spring (5)
It is arranged between the latch segment (4) and the chute (6), the described one end of cylinder body (1) internal perisporium away from piston rod (3) opens up
There is annular slot (105), the annular slot (105) matches with the latch segment (4), and the latch segment (4) is fastened on institute
State in annular slot (105), the latch segment (4) is provided with the scope of operation (401), when hydraulic oil acts on the scope of operation
(401) when, latch segment (4) is forced to slide simultaneously compression spring (5) in chute (6) under the active force of hydraulic oil, and cause lock
Tight block (4) departs from annular slot (105).
2. mechanical interlocking hydraulic jack according to claim 1, it is characterised in that：Passage is offered on the piston (2)
(7), one end of the passage (7) connects with the chute (6), and the other end and the rod chamber (101) of the passage (7) connect
It is logical.
3. mechanical interlocking hydraulic jack according to claim 2, it is characterised in that：The piston (2) includes pedestal (201)
With plunger (202), the pedestal (201) is arranged on the piston rod (3), and the plunger (202) is detachably connected on pedestal
(201) one end away from piston rod (3), the chute (6) are arranged on the plunger (202), opened up on the plunger (202)
There is first through hole (8), the first through hole (8) is connected with chute (6), and the second through hole (9) is offered on the pedestal (201),
It is interconnected between the first through hole (8) and second through hole (9) and forms passage (7).
4. mechanical interlocking hydraulic jack according to claim 2, it is characterised in that：Offered on the latch segment (4) with
The slideway (10) that spring (5) matches, the slideway (10) are set along latch segment (4) direction of displacement, and the spring (5) is arranged on
In the slideway (10), pod apertures (11) are provided with the latch segment (4), the pod apertures (11) are handed over the slideway (10)
Fork sets and is interconnected, and the pod apertures (11) are corresponding with one end that the passage (7) is located at chute (6) and connect.
5. mechanical interlocking hydraulic jack according to claim 1, it is characterised in that：It is provided with the annular slot (105)
Damping ring (12).
6. mechanical interlocking hydraulic jack according to claim 1, it is characterised in that：The latch segment (4) is close to cylinder body (1)
Side be provided with nylon spacer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993879.3U CN207080445U (en) | 2017-08-09 | 2017-08-09 | Mechanical interlocking hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993879.3U CN207080445U (en) | 2017-08-09 | 2017-08-09 | Mechanical interlocking hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080445U true CN207080445U (en) | 2018-03-09 |
Family
ID=61420074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993879.3U Expired - Fee Related CN207080445U (en) | 2017-08-09 | 2017-08-09 | Mechanical interlocking hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237795A (en) * | 2017-08-09 | 2017-10-10 | 江苏龙城洪力液压设备有限公司 | Mechanical interlocking hydraulic jack |
| CN110500335A (en) * | 2019-09-19 | 2019-11-26 | 泰安市力华液压设备有限公司 | A kind of mechanical interlocking hydraulic cylinder |
-
2017
- 2017-08-09 CN CN201720993879.3U patent/CN207080445U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237795A (en) * | 2017-08-09 | 2017-10-10 | 江苏龙城洪力液压设备有限公司 | Mechanical interlocking hydraulic jack |
| CN110500335A (en) * | 2019-09-19 | 2019-11-26 | 泰安市力华液压设备有限公司 | A kind of mechanical interlocking hydraulic cylinder |
| CN110500335B (en) * | 2019-09-19 | 2024-05-10 | 泰安市力华液压设备有限公司 | Mechanical locking hydraulic cylinder |
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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: 20180309 Termination date: 20210809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |