CN206720639U - A kind of safe hydraulic jack - Google Patents
A kind of safe hydraulic jack Download PDFInfo
- Publication number
- CN206720639U CN206720639U CN201720287545.4U CN201720287545U CN206720639U CN 206720639 U CN206720639 U CN 206720639U CN 201720287545 U CN201720287545 U CN 201720287545U CN 206720639 U CN206720639 U CN 206720639U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fixedly connected
- fuel tank
- jack
- fuel
- 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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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a kind of safe hydraulic jack, including jack shell, the second fuel tank is fixedly connected with the top of the jack shell, the inside of second fuel tank is plugged with second piston, weight is fixedly connected with the top of the second piston, the side of second tank bottoms is fixedly connected with the 4th pipeline, the described one end of 4th pipeline away from the second fuel tank is connected with the 3rd pipeline, the described one end of 3rd pipeline away from the 4th pipeline connects with the first fuel tank being fixedly connected on jack outer casing inner wall, the junction of 4th pipeline and the 3rd pipeline is provided with the second check valve, second pipe is fixedly connected with the left of first tank bottoms.By setting Ax-shaped disk, the first projection, the second projection and drive link, the motion of first piston is converted into the rotary motion of artificial control handle, the security of hydraulic jack is improved while aspect practicality.
Description
Technical field
Technical field of jacks is the utility model is related to, specially a kind of safe hydraulic jack.
Background technology
Jack is the crane gear of the heavy-duty machineries such as a kind of lifting vehicle.Hydraulic jack is also known as hydraulic jack,
It is a kind of using the jack of plunger or hydraulic cylinder as rigid top lift part, hydraulic jack is compact-sized, stable working, has
Self-locking action, thus use it is extensive, jack be mainly used in the departments such as factories and miness, communications and transportation as Mechanical Help and other liftings,
The work such as support.But the structure that traditional hydraulic jack equipment is exerted a force is usually handle, people are usually to hold handle
Move up and down to drive the lifting of weight, this mode is that have certain danger, when needing to jack up weight, usually because handle
Rubber sleeve is dynamic or human body takes off power and causes handle out of hand, and even personal safety can be jeopardized when serious.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of safe hydraulic jack, solves conventional hydraulic
The problem of jack danger is higher.
(2) technical scheme
To achieve the above object, the utility model provides following technical scheme：A kind of safe hydraulic jack, including thousand
Jin pushes up shell, is fixedly connected with the second fuel tank at the top of the jack shell, the inside of second fuel tank is plugged with second
Piston, weight is fixedly connected with the top of the second piston, and the side of second tank bottoms is fixedly connected with the 4th pipe
Road, the described one end of 4th pipeline away from the second fuel tank are connected with the 3rd pipeline, the 3rd pipeline away from the 4th pipeline one
The first fuel tank UNICOM on jack outer casing inner wall is held and is fixedly connected on, the junction of the 4th pipeline and the 3rd pipeline is set
There is the second check valve, second pipe is fixedly connected with the left of first tank bottoms, the second pipe is away from the first oil
One end of case is fixedly connected with fuel sucking pipe, and the junction of the second pipe and fuel sucking pipe is provided with the first check valve, the oil suction
The one end of pipe away from the first check valve is through the top of trapped fuel case and extends to the inside of trapped fuel case, and second tank bottoms are remote
Side from the 4th pipeline is fixedly connected with the first pipeline, and one end of first pipeline is movably connected in the top of semi-disc,
The side of the semi-disc is fixedly connected with recovery bar, and the bottom of the semi-disc is flexibly connected flowline, and the flowline is remote
One end from semi-disc through the top of trapped fuel case and extends to the inside of trapped fuel case, and the inside of first fuel tank is socketed with the
One piston, the surface at the top of the first piston are fixedly connected with the first projection, drive link are flexibly connected on first projection
One end, the other end of the drive link is flexibly connected with being arranged on the second projection of Ax-shaped panel surface, in the Ax-shaped disk
Swingle is fixedly connected with the heart, one end of the swingle through the side of jack shell and extends to outside, the rotation
One end that bull stick is located at jack outer side is fixedly connected with handle, and the opening that the side of the jack shell is set is consolidated
Surely latch plate is connected with, spring is fixedly connected with the top of the latch plate.
Preferably, the surface of the semi-disc offers passage, and the size of passage and the size of the first pipeline match.
Preferably, the trapped fuel case is shaped as cuboid, and the size of trapped fuel case is 700*200*200mm.
Preferably, the bottom of the fuel sucking pipe and the bottom of flowline are located on same horizontal line.
Preferably, the trapped fuel case is arranged on the bottom of jack shell, and trapped fuel case shares one with jack shell
Individual bottom plate.
Preferably, the surface of the handle is provided with antiskid thread.
Compared with prior art, the beneficial effects of the utility model are：The hydraulic jack having a safety feature, by setting
Ax-shaped disk, the first projection, the second projection and drive link are put, the motion of first piston is converted into the rotation of artificial control handle
Motion, the security of hydraulic jack is improved while aspect practicality.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model side structure schematic view.
In figure：It is 1 jack shell, 2 first pistons, 3 first oil pockets, 4 first projections, 5 drive links, 6 second convex
Bar, 13 springs, 14 are recovered in block, 7 swingles, 8 Ax-shaped disks, 9 second pistons, 10 second oil pockets, 11 first pipelines, 12
Latch plate, 15 passages, 16 semi-discs, 17 flowlines, 18 fuel sucking pipes, 19 trapped fuel casees, 20 first check valves, 21 weights,
22 handles, 23 second pipes, 24 the 3rd pipelines, 25 second check valves, 26 the 4th pipelines.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model provides a kind of technical scheme：A kind of safe hydraulic jack, including it is very heavy
Shell 1 is pushed up, the top of jack shell 1 is fixedly connected with the second fuel tank 10, and the inside of the second fuel tank 10 is plugged with second piston
9, the top of second piston 9 is fixedly connected with weight 21, and the side of the bottom of the second fuel tank 10 is fixedly connected with the 4th pipeline 26, the
The one end of four pipelines 26 away from the second fuel tank 10 is connected with the 3rd pipeline 24, the one end of the 3rd pipeline 24 away from the 4th pipeline 26 with
The junction of the UNICOM of the first fuel tank 3 being fixedly connected on the inwall of jack shell 1, the 4th pipeline 26 and the 3rd pipeline 24 is provided with
Second check valve 25, second pipe 23 is fixedly connected with the left of the bottom of the first fuel tank 3, second pipe 23 is away from the first fuel tank 3
One end be fixedly connected with fuel sucking pipe 18, the junction of second pipe 23 and fuel sucking pipe 18 is provided with the first check valve 20, fuel sucking pipe
18 one end away from the first check valve 20 are through the top of trapped fuel case 19 and extend to the inside of trapped fuel case 19, the bottom of the second fuel tank 10
Side of the portion away from the 4th pipeline 26 is fixedly connected with the first pipeline 11, and one end of the first pipeline 11 is movably connected in semi-disc 16
Top, the surface of semi-disc 16 offers passage 15, and the size of passage 15 and the size of the first pipeline 11 match, and pass through
The passage 15 to match with the first pipeline 11 is set so that can make the pipeline of passage 15 and first when rotating and recovering bar 12
11 are connected, and are easy to hydraulic oil to enter trapped fuel case 19, convenient use, and the side of semi-disc 16, which is fixedly connected with, recovers bar 12, and half
The bottom of disk 16 is flexibly connected flowline 17, and the bottom of fuel sucking pipe 18 and the bottom of flowline 17 are located at same horizontal line
On, the one end of flowline 17 away from semi-disc 16 is through the top of trapped fuel case 19 and extends to the inside of trapped fuel case 19, trapped fuel case
19 are shaped as cuboid, and the size of trapped fuel case 19 is 700*200*200mm, and trapped fuel case 19 is arranged on jack shell 1
Bottom, and trapped fuel case 19 shares a bottom plate with jack shell 1, and the inside of the first fuel tank 3 is socketed with first piston 2, the
The surface at the top of one piston 2 is fixedly connected with the first projection 4, and one end of drive link 5, drive link 5 are flexibly connected on the first projection 4
The other end be flexibly connected with being arranged on second projection 6 on the surface of Ax-shaped disk 8, by setting Ax-shaped disk 8, the first projection 4, second
Projection 6 and drive link 5, the motion of first piston 2 is converted into the rotary motion of artificial control handle 22, practical same of aspect
When improve the security of hydraulic jack, be fixedly connected with swingle 7 at the center of Ax-shaped disk 8, one end of swingle 7 is run through
The side of jack shell 1 simultaneously extends to outside, and one end that swingle 7 is located at the outside of jack shell 1 is fixedly connected with handle
22, the surface of handle 22 is provided with antiskid thread, and the opening that the side of jack shell 1 is set is fixedly connected with latch plate
14, the top of latch plate 14 is fixedly connected with spring 13, by setting spring 13 and latch plate 14, recovers bar 12 when down pulling
Spring 13 is touched until recovering bar 12, now the passage 15 on the surface of semi-disc 16 will be connected with the first pipeline 11, give in advance
Operating personnel carry out psychological preparation, prevent from, because misoperation causes weight 21 to glide suddenly, improving security.
Operation principle：In use, swing handle 22 drives the rotation of swingle 7, the rotation of swingle 7 has driven Ax-shaped disk
8 rotation, the rotation of Ax-shaped disk 8 cause while drive link 5 ceaselessly moves up and down by the first projection 4 and the second projection 6
The up and down motion of first piston 2 has been driven, when first piston 2 moves upwards, the increase of the volume of 2 the first oil pocket of lower end of first piston 3,
Form parital vacuum, at this moment the first check valve 20 is opened, by the oil suction from trapped fuel case 19 of fuel sucking pipe 18, when first piston 2 to
During lower motion, first piston 2 is moved down, and the pressure rise of 2 the first oil pocket of lower end of first piston 3, the first check valve 20 is closed, and second is single
To be opened to valve 25, fluid inputs the second oil pocket 10 through the 3rd pipeline 24, forces second piston 9 to move up, and jacks up weight 21, the
When one piston 2 moves again up, the second check valve 25 is closed automatically, prevents fluid from flowing backwards, so as to ensure that weight 21 not
It can voluntarily fall, constantly swing handle 22, just fluid constantly can be pressed into the second oil pocket 10, weight 21 is little by little risen
Rise, recover bar 12 if down pulled, the fluid in the second oil pocket 10 flows back to trapped fuel case by the first pipeline 11 and flowline 17
19, weight 21 just moves down.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model 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 safe hydraulic jack, including jack shell (1), it is characterised in that：The top of the jack shell (1)
Portion is fixedly connected with the second fuel tank (10), and the inside of second fuel tank (10) is plugged with second piston (9), the second piston
(9) weight (21) is fixedly connected with the top of, the side of the second fuel tank (10) bottom is fixedly connected with the 4th pipeline (26),
The one end of 4th pipeline (26) away from the second fuel tank (10) is connected with the 3rd pipeline (24), and the 3rd pipeline (24) is remote
One end of 4th pipeline (26) and the first fuel tank (3) UNICOM being fixedly connected on jack shell (1) inwall, the 4th pipe
The junction of road (26) and the 3rd pipeline (24) is provided with the second check valve (25), and the left side of the first fuel tank (3) bottom is fixed
Second pipe (23) is connected with, the one end of the second pipe (23) away from the first fuel tank (3) is fixedly connected with fuel sucking pipe (18),
The junction of the second pipe (23) and fuel sucking pipe (18) is provided with the first check valve (20), and the fuel sucking pipe (18) is away from first
One end of check valve (20) is through the top of trapped fuel case (19) and extends to the inside of trapped fuel case (19), second fuel tank (10)
Side of the bottom away from the 4th pipeline (26) is fixedly connected with the first pipeline (11), and one end activity of first pipeline (11) is even
The top of semi-disc (16) is connected on, the side of the semi-disc (16), which is fixedly connected with, recovers bar (12), the semi-disc (16)
Bottom be flexibly connected flowline (17), the flowline (17) away from semi-disc 16 one end run through trapped fuel case (19) top
And the inside of trapped fuel case (19) is extended to, the inside of first fuel tank (3) is socketed with first piston (2), the first piston
(2) surface at the top of is fixedly connected with the first projection (4), and one end of drive link (5) is flexibly connected on first projection (4),
The other end of the drive link (5) is flexibly connected with being arranged on second projection (6) on Ax-shaped disk (8) surface, the Ax-shaped disk (8)
Center at be fixedly connected with swingle (7), one end of the swingle (7) is through the side of jack shell (1) and extension
To outside, one end that the swingle (7) is located on the outside of jack shell (1) is fixedly connected with handle (22), the jack
The opening that the side of shell (1) is set is fixedly connected with latch plate (14), is fixedly connected with the top of the latch plate (14)
Spring (13).
A kind of 2. safe hydraulic jack according to claim 1, it is characterised in that：The surface of the semi-disc (16)
Passage (15) is offered, and the size of passage (15) and the size of the first pipeline (11) match.
A kind of 3. safe hydraulic jack according to claim 1, it is characterised in that：The shape of the trapped fuel case (19)
For cuboid, and the size of trapped fuel case (19) is 700*200*200mm.
A kind of 4. safe hydraulic jack according to claim 1, it is characterised in that：The bottom of the fuel sucking pipe (18)
It is located at the bottom of flowline (17) on same horizontal line.
A kind of 5. safe hydraulic jack according to claim 1, it is characterised in that：The trapped fuel case (19) is arranged on
The bottom of jack shell (1), and trapped fuel case (19) shares a bottom plate with jack shell (1).
A kind of 6. safe hydraulic jack according to claim 1, it is characterised in that：The surface of the handle (22) is set
It is equipped with antiskid thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287545.4U CN206720639U (en) | 2017-03-23 | 2017-03-23 | A kind of safe hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287545.4U CN206720639U (en) | 2017-03-23 | 2017-03-23 | A kind of safe hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206720639U true CN206720639U (en) | 2017-12-08 |
Family
ID=60501226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720287545.4U Expired - Fee Related CN206720639U (en) | 2017-03-23 | 2017-03-23 | A kind of safe hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206720639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882724A (en) * | 2017-03-23 | 2017-06-23 | 合肥迅达电器有限公司 | A kind of safe hydraulic jack |
-
2017
- 2017-03-23 CN CN201720287545.4U patent/CN206720639U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882724A (en) * | 2017-03-23 | 2017-06-23 | 合肥迅达电器有限公司 | A kind of safe hydraulic jack |
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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: 20171208 Termination date: 20190323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |