CN207243343U - A kind of overturning-preventing car jack component - Google Patents
A kind of overturning-preventing car jack component Download PDFInfo
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- CN207243343U CN207243343U CN201720951167.5U CN201720951167U CN207243343U CN 207243343 U CN207243343 U CN 207243343U CN 201720951167 U CN201720951167 U CN 201720951167U CN 207243343 U CN207243343 U CN 207243343U
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- cavity
- overturning
- fixed plate
- preventing
- jack
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Abstract
The utility model discloses a kind of overturning-preventing car jack component, including jack body and the overturning-preventing limiting device for being arranged on jack body lower end；The jack body lower end has a base, has the supporting rod of a section semicircular in shape in the middle part of the base lower end, middle part has a shaft being coaxially disposed；The overturning-preventing limiting device includes fixed plate and some compression springs being arranged on inside fixed plate；The fixed plate is arranged on base lower end, has a cavity in the middle part of upper surface, and the shaft is fixed on the side wall of cavity both ends, and is in the middle part of cavity；The compression spring is arranged vertically inside fixed plate, and upper end extends to cavity inside, and upper end is fixedly connected with a horizontally disposed backing plate.The utility model is additionally arranged overturning-preventing limiting device in traditional architectures, and when automobile chassis tilts, low dip shape can be presented in whole jack body, and the active force for making to act on jack is uniform, avoids structural failure.
Description
Technical field
It the utility model is related to a kind of jack assembly, and in particular to a kind of overturning-preventing car jack component.
Background technology
Jack is a kind of by the use of rigidity top lift part as equipment, is pushed up by top bracket or bottom claw in stroke
Rise the light small lifting equipment of weight.During auto repair, to change tire, then need whole automobile bottom by jack
The upward lifting of disk, but during lifting, automobile chassis is oblique, the active force acted at this time on jack is also inclined
Shape, be easy to cause jack and topples over, and the upper support seat of jack is arranged to rotatable activity by research staff in the prior art
Structure, but the active force acted at this time on jack is uneven, it is easy to cause structure to destroy, service life reduces.
For above-mentioned deficiency, it is necessary to design and develop a kind of overturning-preventing car jack component, can supply above-mentioned each
Shortcoming, through retrieval, does not find and the same or similar technical solution of the utility model.
Utility model content
Above-mentioned in order to solve the problems, such as, the utility model provides a kind of overturning-preventing car jack component, to solve
The problem of jack is easily toppled over and is easily destroyed in the prior art.
The utility model is to be achieved through the following technical solutions：
A kind of overturning-preventing car jack component, including jack body and the overturning-preventing for being arranged on jack body lower end
Limiting device；The jack body lower end has a base, has the branch of a section semicircular in shape in the middle part of the base lower end
Strut, middle part have a shaft being coaxially disposed；The overturning-preventing limiting device includes fixed plate and is arranged on inside fixed plate
Some compression springs；The fixed plate is arranged on base lower end, has a cavity in the middle part of upper surface, the shaft is fixed on sky
On the side wall of chamber both ends, and it is in the middle part of cavity；The compression spring is arranged vertically inside fixed plate, upper end extension
To cavity inside, and upper end is fixedly connected with a horizontally disposed backing plate.
Preferably, there is an arc groove in the middle part of the cavity lower face, the supporting rod lower end is arranged in arc groove, and
Setting is bonded with arc groove inner wall.
Preferably, the sum of height of free height and backing plate that the compression spring is extended in cavity is in water equal to base
The distance between lower face and cavity lower face during level state.
Preferably, the compression spring is symmetricly set at two side positions of cavity, and is deviateed middle part and set.
Compared with prior art, the beneficial effects of the utility model are：
（1）The utility model is additionally arranged overturning-preventing limiting device in traditional architectures, when automobile chassis tilts, whole thousand
Low dip shape can be presented in jin top body, and the active force for making to act on jack is uniform, avoids structural failure；
（2）There is an arc groove in the middle part of cavity lower face, supporting rod lower end is arranged in arc groove, and with arc groove inner wall
Fitting is set, and the dominant touch end mainly due to jack body and overturning-preventing limiting device is supporting rod, by setting arc
Groove increases the contact area of supporting rod and overturning-preventing limiting device, improves the reasonability of structure design；
（3）Overturning-preventing limiting device is internally provided with compression spring, further increases when jack body rotates and anti-dumping
The contact area of limiting device, and ensure the stationarity that structure rotates；
（4）Compression spring is symmetricly set at two side positions of cavity, and is deviateed middle part and set, mainly due to base rotation
When middle part decline distance it is shorter, therefore without set compression spring, avoid the waste of material.
Brief description of the drawings
Fig. 1 is the schematic diagram of structure described in the utility model.
Fig. 2 is the close-up schematic view at overturning-preventing limiting device described in the utility model.
Fig. 3 is enlarged diagram when overturning-preventing limiting device described in the utility model tilts.
In figure：1st, base, 2, supporting rod, 3, shaft, 4, fixed plate, 5, cavity, 6, compression spring, 7, backing plate.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
As shown in Figs. 1-3, a kind of overturning-preventing car jack component, including jack body and it is arranged on jack body
The overturning-preventing limiting device of lower end；Wherein jack body lower end has a base 1, and 1 lower end of base middle part is in a section
Semicircular supporting rod 2, middle part have a shaft 3 being coaxially disposed；Overturning-preventing limiting device includes fixed plate 4 and is arranged on solid
Some compression springs 6 inside fixed board 4；Fixed plate 4 is arranged on 1 lower end of base, has a cavity 5 in the middle part of upper surface, under cavity 5
There is an arc groove in the middle part of end face（Do not marked in figure）, 2 lower end of supporting rod is arranged in arc groove, and is bonded with arc groove inner wall
Set；Shaft 3 is fixed on 5 both ends side wall of cavity, and is in the middle part of cavity 5；Compression spring 6 is arranged vertically at fixation
Inside plate 4, upper end is extended to inside cavity 5, and upper end is fixedly connected with a horizontally disposed backing plate 7, the compression bullet
Lower face and cavity 5 when the sum of free height and the height of backing plate 7 that spring 6 is extended in cavity 5 are horizontal equal to base 1
The distance between lower face, and the compression spring 6 is symmetricly set at two side positions of cavity 5, and deviate middle part and set.
During work, jack body is used to support automobile chassis, when slight inclination occurs for automobile chassis, whole jack
Body is also oblique under pressure, and the distribution of forces acted on jack body is uniform, effectively avoids structure
It is damaged.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (4)
- A kind of 1. overturning-preventing car jack component, it is characterised in that：Including jack body and it is arranged under jack body The overturning-preventing limiting device at end；The jack body lower end has a base, and the base lower end middle part is in a section Semicircular supporting rod, middle part have a shaft being coaxially disposed；The overturning-preventing limiting device includes fixed plate and is arranged on Some compression springs inside fixed plate；The fixed plate is arranged on base lower end, has a cavity in the middle part of upper surface, described turn Axis is fixed on the side wall of cavity both ends, and is in the middle part of cavity；The compression spring is arranged vertically inside fixed plate, Upper end extends to cavity inside, and upper end is fixedly connected with a horizontally disposed backing plate.
- A kind of 2. overturning-preventing car jack component according to claim 1, it is characterised in that：In the cavity lower face Portion has an arc groove, and the supporting rod lower end is arranged in arc groove, and is bonded setting with arc groove inner wall.
- A kind of 3. overturning-preventing car jack component according to claim 1, it is characterised in that：The compression spring extension When the sum of height of free height and backing plate in cavity is horizontal equal to base between lower face and cavity lower face Distance.
- A kind of 4. overturning-preventing car jack component according to claim 1, it is characterised in that：The compression spring is symmetrical It is arranged at two side positions of cavity, and deviates middle part and set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951167.5U CN207243343U (en) | 2017-08-01 | 2017-08-01 | A kind of overturning-preventing car jack component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720951167.5U CN207243343U (en) | 2017-08-01 | 2017-08-01 | A kind of overturning-preventing car jack component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207243343U true CN207243343U (en) | 2018-04-17 |
Family
ID=61878686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720951167.5U Active CN207243343U (en) | 2017-08-01 | 2017-08-01 | A kind of overturning-preventing car jack component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207243343U (en) |
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2017
- 2017-08-01 CN CN201720951167.5U patent/CN207243343U/en active Active
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