CN208648610U - A kind of jack - Google Patents
A kind of jack Download PDFInfo
- Publication number
- CN208648610U CN208648610U CN201820388671.3U CN201820388671U CN208648610U CN 208648610 U CN208648610 U CN 208648610U CN 201820388671 U CN201820388671 U CN 201820388671U CN 208648610 U CN208648610 U CN 208648610U
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- China
- Prior art keywords
- fastener
- upper connecting
- guide part
- column
- connecting rod
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Abstract
The utility model provides a kind of jack, including upper bracket component, screw arbor assembly and lower bracket component, and upper bracket component includes two upper connecting rods and upper bracket, and one end and the upper bracket of two upper connecting rods are rotatably connected；Lower bracket component includes two lower links and undersetting, one end of two lower links is rotatably connected with upper bracket respectively, screw arbor assembly includes screw rod, fastener and guide part, fastener and guide sleeve are connected on screw rod, two upper connecting rods, two lower links are connected with the detachable rotation of guide part and fastener respectively, jack is after hours, it can be directly by upper connecting rod, lower link gets off to be folded from guide part and disassembly of fastener, and when reusing, since position of the fastener on screw rod is constant, upper connecting rod, after lower link is connect with guide part and fastener, the distance when distance of upper bracket and undersetting is last uses, it dismantles and reuses without rotary screw repeatedly, it is time saving and energy saving, jack can conveniently and efficiently be folded.
Description
Technical field
The utility model relates to automobile technical fields, more particularly to a kind of jack.
Background technique
With the development of industrial technology and the improvement of people's living standards, automobile become more general in people's daily life
Time the vehicles.Automobile is after long-term use or when limiting condition, it is possible to which the failures such as occur blowing out, and when emergency maintenance needs
The onboard jack of automobile is supportted automobile it is high, to dismantle and re-type.
Used jack includes screw rod horizontal type jack, screw rod upright jack, hydraulic jack on automobile at present
Deng.It is folded state when being not used for screw rod horizontal type jack, when use, which needs to rotate screw rod repeatedly just, can achieve and to push up
The height risen, and after use finishes, it also needs to rotate screw rod repeatedly, jack could be folded, no matter used
Or folding is all time-consuming and laborious, and use is very inconvenient.
Utility model content
In view of the above problems, the utility model proposes a kind of jack, to solve jack in the mistake for using and folding
Time-consuming and laborious problem in journey.
To solve the above-mentioned problems, the utility model discloses a kind of jack, including upper bracket component, screw arbor assembly and
Lower bracket component,
The upper bracket component includes upper bracket and two upper connecting rods, one end of two upper connecting rods respectively with it is described on
Support is rotatably connected；
The lower bracket component includes undersetting and two lower links, one end of two lower links respectively with it is described under
Support is rotatably connected；
The screw arbor assembly includes screw rod, fastener and guide part, and the fastener is provided with threaded hole, the guide part
It is provided with pilot hole, the fastener and the guide part pass through the threaded hole respectively and the pilot hole is socketed on the spiral shell
On bar, and the guide part be connected on the blocking step of the screw rod setting on one side backwards to the fastener, to stop
It is mobile towards the direction for stopping step to state guide part；
Two upper connecting rods one end, two one end of the lower link far from the undersetting far from the upper bracket
It is connected respectively with the guide part and the detachable rotation of the fastener；
The screw rod rotate when, drive the fastener to move along the screw rod towards the guide part, two it is described on
The angle between angle and two lower links between connecting rod becomes smaller, the distance between the upper bracket and the undersetting
Become larger, the jack is in running order；
When folding, by one end far from the upper bracket of two upper connecting rods, two lower links far under described
Respectively with the guide part and the disassembly of fastener, the jack is in folded state for one end of support.
Optionally, the fastener and the guide part include compressible spring stack, and two upper connecting rods are far from institute
The one end for stating upper bracket is provided with the first upper connecting rod movable span, and two lower links are provided with far from one end of the undersetting
First lower link movable span, there are two guide part through holes for setting on the guide part, and there are two fastenings for the fastener setting
Part through hole；
Two the first upper connecting rod movable spans respectively with a guide part through hole of the guide part, described tight
The fastener through hole of one of firmware is coaxial, and the spring stack runs through the first upper connecting rod movable span and the guide part
Through hole, and, run through the first upper connecting rod movable span and the fastener through hole, to form two upper connecting rods point
It is not connect with the detachable rotation of the guide part, the fastener；
Two the first lower link movable spans respectively with a guide part through hole of the guide part, described tight
The fastener through hole of one of firmware is coaxial, and the spring stack runs through the first lower link movable span and the guide part
Through hole, and, run through the first lower link movable span and the fastener through hole, to form two lower links point
It is not connect with the detachable rotation of the guide part, the fastener.
Optionally, the first upper connecting rod movable span is located on two parallel upper connecting rod side walls of the upper connecting rod, institute
Fastener is stated between two upper connecting rod side walls, the spring stack is through the first upper connecting rod movable span and described tight
Firmware through hole.
Optionally, the spring stack includes female column, sub- column and spring,
The sub- column is provided with the guide post on the sub- column side wall and sub- column side wall that the sub- mast axis extends, the mother
Column is provided with the guide groove on the female column side wall and female column side wall that female mast axis extends, and the edge of the guide groove is provided with
One notch, the sub- column side wall is contained in the space that female column side wall is formed and the guide post can be slided in the guide groove
Dynamic, the spring is located in the accommodation space that the sub- column side wall and female column side wall are formed；
When dismantling the jack, the spring stack is pressed, the guide post slides in the guide groove, when the guide post
When sliding into the notch, the guide post is toggled it in the notch, the length of the spring stack shortens, and two described first
Upper connecting rod movable span and two the first lower link movable spans can be detached from from the spring stack, realize two upper companies
The disassembly of bar, two lower links and the guide part and the fastener.
Optionally, the sub- column side wall is made of at least one sub- column blade, is provided with an institute on every sub- column blade
Guide post is stated, mother's column side wall is made of at least one female column blade, is provided with the guide groove on each mother's column blade, often
A guide groove is provided with the notch.
Optionally, one end that two upper connecting rods are connect with the upper bracket, which is provided on the upper connecting rod gear teeth and second, to be connected
Bar movable span, there are two upper brackets to fasten column for the upper bracket setting, and two the second upper connecting rod movable spans are socketed on respectively
On two upper bracket fastening columns, the upper connecting rod gear teeth intermeshing of two upper connecting rods；
One end that two lower links are connect with the undersetting is provided with the lower link gear teeth and the activity of the second lower link
Hole, there are two undersettings to fasten column for the undersetting setting, and two the second lower link movable spans are socketed on two institutes respectively
It states on undersetting fastening column, the lower link gear teeth intermeshing of two lower links.
Optionally, the screw arbor assembly further includes one handle, and the screw rod includes an accommodating chamber being arranged along axis, described
Handle is located in the accommodating chamber, and the screw rod is provided with handle circular hole close to one end of the guide part, and the handle can pass through
Wear the screw rod rotation of driving in handle circular hole.
Optionally, the section of the handle is rectangular, and the section of the accommodating chamber is rectangular.
The utility model includes following advantages:
In the utility model embodiment, since two upper connecting rods, two lower links respectively can with guide part and fastener
Detachable rotation connection, jack after hours, can be directly by upper connecting rod, lower link under guide part and disassembly of fastener
It is folded, and when reusing, since position of the fastener on screw rod is constant, upper connecting rod, lower link and guide part
After connecting with fastener, the distance of upper bracket and undersetting is distance when using the last time, dismantles and reuses without anti-
Multiple rotary screw, it is time saving and energy saving, it can conveniently and efficiently fold jack.
In the utility model embodiment, built-in removable handle in screw rod drives without finding other objects as rocker arm
Dynamic screw rod rotation, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the jack of the utility model embodiment；
Fig. 2 is the decomposition texture schematic diagram of the jack of the utility model embodiment；
Fig. 3 is the decomposition texture schematic diagram of the upper bracket component of the jack of the utility model embodiment；
Fig. 4 is the structural schematic diagram of the upper bracket of the utility model embodiment；
Fig. 5 is the decomposition texture schematic diagram of the lower bracket component of the jack of the utility model embodiment；
Fig. 6 is the decomposition texture schematic diagram of the screw arbor assembly of the jack of the utility model embodiment；
Structural schematic diagram when Fig. 7 is the working condition of the jack of the utility model embodiment；
Fig. 8 is the decomposition texture schematic diagram of the fastener of the screw arbor assembly of the utility model embodiment；
Fig. 9 is the decomposition texture schematic diagram of the guide part of the screw arbor assembly of the utility model embodiment；
Figure 10 is the upper connecting rod of the utility model embodiment and the detaching structure schematic diagram of fastener；
Figure 11 is the decomposition texture schematic diagram of the spring stack of the utility model embodiment；
Structural schematic diagram when Figure 12 is the spring stack compressive state of the utility model embodiment；
Figure 13 is the structural schematic diagram when spring stack of the utility model embodiment is uncompressed；
Figure 14 is the decomposition texture schematic diagram of the screw rod of the utility model embodiment；
Figure 15 is the schematic cross-section for being parallel to screw axis of the screw rod of the utility model embodiment；
Figure 16 is the schematic cross-section perpendicular to screw axis of the screw rod of the utility model embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 shows a kind of structural schematic diagram of jack of the utility model embodiment, and Fig. 2 shows the utility model
A kind of decomposition texture schematic diagram of jack of embodiment, a kind of jack of the utility model embodiment include upper bracket component
1, screw arbor assembly 2 and lower bracket component 3.
In the utility model embodiment, upper bracket component 1 can be what jack was contacted with high object to be supportted at work
Component, lower bracket component 3 can be the component of support on the ground, and screw arbor assembly 2 can be driving upper bracket component 1 and lower branch
The component of frame component 3.
As shown in figure 3, upper bracket component 1 includes two upper connecting rods 12 and upper bracket 11, one end point of two upper connecting rods 12
It is not rotatably connected with upper bracket 11.I.e. in the utility model embodiment, the structure of two upper connecting rods 12 can be it is the same,
One end of two upper connecting rods 12 is rotatably connected with upper bracket 11, i.e. has variable angle between two upper connecting rods 12.
Specifically, as shown in Figure 3 and Figure 4, in a kind of preferred embodiment of the utility model, two upper connecting rods 12 with
One end that upper bracket 11 connects is provided with the upper connecting rod gear teeth 123 and the second upper connecting rod movable span 122, and there are two the settings of upper bracket 11
Upper bracket fastens column 111, and two the second upper connecting rod movable spans 122 are socketed on respectively on two upper bracket fastening columns 111, on two
The upper connecting rod gear teeth 123 of connecting rod 12 are intermeshed.I.e. two upper connecting rods 12 are rotatably connected with upper bracket 11, and pass through upper company
The intermeshing of the bar gear teeth 123 rotates so that two upper connecting rods 12 are synchronous around respective second upper connecting rod movable span 122.
As shown in figure 5, lower bracket component 3 includes two lower links 32 and undersetting 31, one end point of two lower links 32
It is not rotatably connected with undersetting 31.
In a kind of preferred embodiment of the utility model, one end that two lower links 32 are connect with undersetting 31 is provided with
The lower link gear teeth 323 and the second lower link movable span 322, undersetting 31 setting there are two undersetting fasten column 311, two second
Lower link movable span 322 is socketed on respectively on two undersetting fastening columns 311,323 phase of the lower link gear teeth of two lower links 32
Mutually engagement.I.e. two lower links 32 are rotatably connected with lower bracket 311, and pass through the intermeshing of the lower link gear teeth 323, make
It is synchronous around the rotation of respective second lower link movable span 322 to obtain two lower links 32.
In the utility model embodiment, upper connecting rod 12 and lower link 32 can be sheet metal structural, such as can be by one
Determine the member structure of thicknesses of metal plate stamping formation；It can also be entity structure, such as can be the bar of solid metal material
Part.
As shown in fig. 6, screw arbor assembly 2 includes screw rod 21, fastener 22 and guide part 23.
Fastener 22 is provided with threaded hole 2212, and guide part 23 is provided with pilot hole 2312, and fastener 22 passes through threaded hole
2212 are socketed on screw rod 21, and guide part 23 is socketed on screw rod 21 by pilot hole 2312, and guide part 23 is backwards to fastener
22 are connected on one side on the blocking step of the setting of screw rod 21, to stop guide part 23 towards stopping the direction of step mobile.
As shown in Figure 1, two upper connecting rods 12 one end, two lower links 32 far from upper bracket 11 far from undersetting 31 one
End is connected with guide part 23 and the detachable rotation of fastener 22 respectively.
In the utility model embodiment, detachable rotation connection can refer to upper connecting rod 12 can around guide part 23 or
Person's fastener 22 rotates, and can disassemble from guide part 23 or fastener 22；Lower link 32 can surround guide part
23 perhaps fastener 22 rotate and can be disassembled from guide part 23 or fastener 22.
The jack working principle of the utility model embodiment is for example:
As shown in fig. 7, the one side due to guide part 23 backwards to fastener 22 abuts when handle 211 drives screw rod 21 to rotate
On the blocking step that screw rod 21 is arranged, to stop guide part 23 towards stopping the direction of step mobile, in the outer spiral shell of screw rod 21
Under the internal screw thread effect of the threaded hole of line and fastener 22, screw rod 21 drives fastener 22 to move along screw rod 21 towards guide part 23
Dynamic, the included angle B between included angle A and two lower links 32 between two upper connecting rods 12 becomes smaller, upper bracket 11 and undersetting 31 it
Between distance become larger, jack is in running order.
When folding, since upper connecting rod 12 and lower link 32 and guide part 23 and fastener 22 are detachable rotation connection,
Can one end by two upper connecting rods 12 far from upper bracket 11, two one end of lower link 32 far from undersetting 31 respectively with guiding
Part 23 and fastener 22 are dismantled, and then manually close up two upper connecting rods 12, and two lower links 32 are closed up can will be very heavy
Push up folding storage.
In the utility model embodiment, since upper connecting rod 12, lower link 32 are detachably connected to guide part 23 and fastening
On part 22, jack after hours, can be directly by upper connecting rod 12, lower link 32 under guide part 23 and the disassembly of fastener 22
Come, the distance of upper bracket 11 and undersetting 31 is become smaller to fold jack without rotary screw 21 repeatedly, save storage
The time of jack and manpower conveniently and efficiently can fold and store jack.
In the utility model embodiment, after folding storage jack, position of the fastener 22 on screw rod 21 can be kept,
When reusing jack, directly upper connecting rod 12, lower link 32 can be connected on guide part 23 and fastener 22, after combination
Jack upper bracket 11 and the distance between undersetting 31 be last time jack working condition distance, i.e. jack has
There is high memory function, avoids the need for driving the rotation of screw rod 21 to increase the distance between upper bracket 11 and undersetting 31 repeatedly
The problem of, it is only necessary to the suitable height of jack can be adjusted by finely tuning screw rod 21, time saving and energy saving.
As shown in Figure 8 and Figure 9, in a kind of preferred embodiment of the utility model, screw arbor assembly 2 further includes compressible
Spring stack 222, compressible spring stack 222 can be the cylindrical body that a length can shorten, specifically, spring stack
222 are located in fastener 22 and guide part 23, to realize the removable of upper connecting rod 12, lower link 32 and fastener 22 and guide part 23
Rotation connection when unloading.
As shown in figure 3, two upper connecting rods 12 are provided with the first upper connecting rod movable span 121 far from one end of upper bracket 11, tool
For body, the first upper connecting rod movable span 121 is located on two parallel upper connecting rod side walls 124 of upper connecting rod 12.
As shown in figure 5, two lower links 32 are provided with the first lower link movable span 321 far from one end of undersetting 31, tool
For body, the first lower link movable span 321 is located on two parallel lower link side walls 324 of lower link 32.
As shown in Figure 8 and Figure 9, there are two guide part through holes 2311 for setting on the guide part ontology 231 of guide part 23, tightly
There are two fastener through holes 2211 for setting on the fastener body 221 of firmware 22.
Two the first upper connecting rod movable spans 121 respectively with a guide part through hole 2311, the fastener 22 of guide part 23
A fastener through hole 2211 it is coaxial, spring stack 222 is located in guide part ontology 231 and in fastener body 221,
And run through the first upper connecting rod movable span 121 and guide part through hole 2311, and, run through 121 He of the first upper connecting rod movable span
Fastener through hole 2211 is connect with the detachable rotation of guide part 23, fastener 22 respectively with forming two upper connecting rods 12；
Two the first lower link movable spans 321 respectively with a guide part through hole 2311, the fastener 22 of guide part 23
A fastener through hole 2211 it is coaxial, spring stack 222 is located in guide part ontology 231 and in fastener body 221,
And run through the first lower link movable span 321 and guide part through hole 2311, and, run through 321 He of the first lower link movable span
Fastener through hole 2211 is connect with the detachable rotation of guide part 23, fastener 22 respectively with forming two lower links 32.
As shown in Figure 10, in an embodiment of the present invention, spring stack 222 is located at the fastener sheet of fastener 22
In body 221 and run through fastener through hole 2211, fastener 22 is located between two parallel upper connecting rod side walls 124, spring stack
222 run through the first upper connecting rod movable span 121 and fastener through hole 2211, i.e., fastener 22 two upper connecting rod side walls 124 it
Between, when dismantling upper connecting rod 12, compressed spring column 222, upper connecting rod side wall 124 can be disassembled from fastener 22, and
In assembly, compressed spring column 222, after the first upper connecting rod movable span 121 and fastener through hole 2211 are coaxial, trip spring
Column 222, spring stack 222 are embedded in the first upper connecting rod movable span 121, and upper connecting rod 12 is rotatably connected with fastener 22.
Upper connecting rod 12 and the connection structure of fastener 22 are illustrated only in conjunction with Figure 10 above, upper connecting rod 12 and guiding
Part 23, lower link 32 and guide part 23, lower link 32 and fastener 22 refer to above description, are not repeated herein.
As shown in figures 11-13, in the utility model embodiment, spring stack 222 includes female column 2221,2222 and of sub- column
Spring 2223, sub- column 2222 are provided with along the sub- column side wall 22221 and sub- column side wall 22221 that sub- 2222 axis of column extends
Guide post 22222, female column 2221 are provided with along female column side wall 22211 that female 2221 axis of column extends and female column side wall 22211
Guide groove 22212, the edge of guide groove 22212 is provided with a notch 22213, and sub- column side wall 22221 is contained in female column side wall 22211
In the space of formation and guide post 22222 can slide in guide groove 22212, and spring 2223 is located at sub- column side wall 22221 and female column side
The accommodation space that wall 22211 is formed.
When dismantling jack, sub- column 2222 and female column 2221 are pressed, guide post 22222 slides in guide groove 22212, when leading
When column 22222 slides into notch 22213, guide post 22222 is toggled it in notch 22213, the length of spring stack 222 shortens, and two
A first upper connecting rod movable span 121 and two the first lower link movable spans 321 can be detached from from spring stack, realize two upper connecting rods
12, the disassembly of two lower links 32 and guide part 23 and fastener 22.
Preferably, sub- column side wall 22221 is made of at least one sub- column blade, is provided with one on every sub- column blade and is led
Column 22222, female column side wall 22211 are made of at least one female column blade, are provided with a guide groove on each mother's column blade
22212, each guide groove is provided with a notch 22213.
The spring stack of the utility model embodiment passes through female column and sub- column is constituted, and structure is simple, it is only necessary to press spring stack i.e.
It can complete the disassembly and assembly of jack.
As shown in Figure 14-Figure 16, screw arbor assembly 3 further includes one handle 211, and screw rod 21 includes a receiving being arranged along axis
Chamber, handle 211 are located in accommodating chamber, and screw rod 21 is provided with handle circular hole 212 close to one end of guide part 23, and handle 211 can pass through
It wears in handle circular hole 212 as rocker arm to drive screw rod 21 to rotate.
Preferably, the section of handle 211 is rectangular, and the section of accommodating chamber is rectangular.
In the utility model embodiment, inside screw is provided with removable handle, needs in use, extracting handle out
It is used as rocker arm, handle is located in accommodating chamber when not in use, without finding other tools as rocker arm driving screw rod rotation, makes
With extremely convenient.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including element.
Above to a kind of jack provided by the utility model, it is described in detail, it is used herein specifically a
Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand
With novel method and its core concept；At the same time, for those skilled in the art, based on the idea of the present invention,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of utility model.
Claims (7)
1. a kind of jack, which is characterized in that including upper bracket component, screw arbor assembly and lower bracket component,
The upper bracket component includes upper bracket and two upper connecting rods, one end of two upper connecting rods respectively with the upper bracket
It is rotatably connected；
The lower bracket component includes undersetting and two lower links, one end of two lower links respectively with the undersetting
It is rotatably connected；
The screw arbor assembly includes screw rod, fastener and guide part, and the fastener is provided with threaded hole, the guide part setting
There is pilot hole, the fastener and the guide part pass through the threaded hole respectively and the pilot hole is socketed on the screw rod
On, and the guide part be connected on the blocking step of the screw rod setting on one side backwards to the fastener, described in stopping
Guide part is mobile towards the direction for stopping step；
One end, two lower links one end difference far from the undersetting of two upper connecting rods far from the upper bracket
It is connected with the guide part and the detachable rotation of the fastener；
The fastener and the guide part include compressible spring stack, two upper connecting rods far from the upper bracket one
End is provided with the first upper connecting rod movable span, and two lower links are provided with the first lower link far from one end of the undersetting and live
Hole is moved, there are two guide part through holes for setting on the guide part, and there are two fastener through holes for the fastener setting；
Two the first upper connecting rod movable spans respectively with the guide part through hole, the fastener of the guide part
A fastener through hole it is coaxial, the spring stack runs through through the first upper connecting rod movable span and the guide part
Hole, and, run through the first upper connecting rod movable span and the fastener through hole, with formed two upper connecting rods respectively with
The detachable rotation connection of the guide part, the fastener；
Two the first lower link movable spans respectively with the guide part through hole, the fastener of the guide part
A fastener through hole it is coaxial, the spring stack runs through through the first lower link movable span and the guide part
Hole, and, run through the first lower link movable span and the fastener through hole, with formed two lower links respectively with
The detachable rotation connection of the guide part, the fastener.
2. jack as described in claim 1, which is characterized in that the first upper connecting rod movable span is located at the upper connecting rod
On two parallel upper connecting rod side walls, the fastener is located between two upper connecting rod side walls, and the spring stack runs through institute
State the first upper connecting rod movable span and the fastener through hole.
3. jack as claimed in claim 2, which is characterized in that the spring stack includes female column, sub- column and spring,
The sub- column is provided with the guide post on the sub- column side wall and sub- column side wall that the sub- mast axis extends, and mother's column is set
The guide groove being equipped on the female column side wall and female column side wall that female mast axis extends, the edge of the guide groove is provided with one and lacks
Mouthful, the sub- column side wall is contained in the space that female column side wall is formed and the guide post can slide in the guide groove, institute
Spring is stated to be located in the accommodation space that the sub- column side wall and female column side wall are formed.
4. jack as claimed in claim 3, which is characterized in that the sub- column side wall is made of at least one sub- column blade,
The guide post is provided on every sub- column blade, mother's column side wall is made of at least one female column blade, each mother's column
The guide groove is provided on blade, each guide groove is provided with the notch.
5. jack as described in claim 1, which is characterized in that
One end that two upper connecting rods are connect with the upper bracket is provided with the upper connecting rod gear teeth and the second upper connecting rod movable span, institute
Stating upper bracket setting, there are two upper brackets to fasten column, and two the second upper connecting rod movable spans are socketed on two upper branch respectively
On seat fastening column, the upper connecting rod gear teeth intermeshing of two upper connecting rods；
One end that two lower links are connect with the undersetting is provided with the lower link gear teeth and the second lower link movable span, institute
Stating undersetting setting, there are two undersettings to fasten column, and two the second lower link movable spans are socketed on two lower branch respectively
On seat fastening column, the lower link gear teeth intermeshing of two lower links.
6. jack as described in any one in claim 1-5, which is characterized in that the screw arbor assembly further includes one handle, institute
Stating screw rod includes an accommodating chamber being arranged along axis, and the handle is located in the accommodating chamber, and the screw rod is close to the guiding
One end of part is provided with handle circular hole, and the handle can extend through the handle the screw rod rotation of driving in circular hole.
7. jack as claimed in claim 6, which is characterized in that the section of the handle is rectangular, section of the accommodating chamber
Face is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388671.3U CN208648610U (en) | 2018-03-21 | 2018-03-21 | A kind of jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388671.3U CN208648610U (en) | 2018-03-21 | 2018-03-21 | A kind of jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208648610U true CN208648610U (en) | 2019-03-26 |
Family
ID=65775147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820388671.3U Active CN208648610U (en) | 2018-03-21 | 2018-03-21 | A kind of jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208648610U (en) |
-
2018
- 2018-03-21 CN CN201820388671.3U patent/CN208648610U/en active Active
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