CN207142731U - A kind of dual-gripper leg type jack - Google Patents
A kind of dual-gripper leg type jack Download PDFInfo
- Publication number
- CN207142731U CN207142731U CN201720992836.3U CN201720992836U CN207142731U CN 207142731 U CN207142731 U CN 207142731U CN 201720992836 U CN201720992836 U CN 201720992836U CN 207142731 U CN207142731 U CN 207142731U
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- CN
- China
- Prior art keywords
- hinged
- screw mandrel
- chute
- supporting leg
- connecting plates
- 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.)
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Abstract
The utility model discloses a kind of dual-gripper leg type jack, including first takes over a business, second takes over a business, chute；The bottom wall of chute has opening；First takes over a business to be hinged the first supporting leg; two first connecting plates are hinged on the two side of first supporting leg; two first connecting plates are hinged with chute one end; the first screw mandrel is provided with chute; first feed screw nut is installed on the first screw mandrel; the top of first supporting leg and the both ends of the first feed screw nut are hinged, and one end of the first screw mandrel connects the first motor, and the first thermal protector is provided with the first motor；Second takes over a business to be hinged the second supporting leg; two second connecting plates are hinged on the two side of second supporting leg; two second connecting plates are hinged with the chute other end; the second screw mandrel is additionally provided with chute; second feed screw nut is installed on the second screw mandrel; the top of second supporting leg and the both ends of the second feed screw nut are hinged, and one end of the second screw mandrel connects the second motor, and the second thermal protector is provided with the second motor.
Description
Technical field
The utility model belongs to technical field of jacks, concretely relates to a kind of dual-gripper leg type jack.
Background technology
Existing jack stand is mostly single leg support, small with ground lifting surface area, larger to geostatic pressure, hard on ground
Less place is spent in use, such as on the soil of miriness, is unfavorable for the use of jack stand, is easily occurred unexpected.
The content of the invention
The purpose of this utility model is to provide a kind of dual-gripper leg type jack, and it is supported by both legs, and two supports
Leg can be moved either synchronously or asynchronously, have good lifting function.
In order to solve the above technical problems, what the purpose of this utility model was realized in：
A kind of dual-gripper leg type jack, including first takes over a business, second takes over a business, chute；The bottom wall of chute has opening；The
One takes over a business to be hinged the first supporting leg, is hinged two first connecting plates on the two side of the first supporting leg, two first connecting plates with
Chute one end is hinged, and the first screw mandrel is provided with chute, and the first feed screw nut, the top of the first supporting leg are installed on the first screw mandrel
Portion and the both ends of the first feed screw nut are hinged, and one end of the first screw mandrel connects the first motor, and first is provided with the first motor
Heat protector of motor；Second takes over a business to be hinged the second supporting leg, and two second connecting plates are hinged on the two side of the second supporting leg,
Two second connecting plates are hinged with the chute other end, and the second screw mandrel is additionally provided with chute, second is provided with the second screw mandrel
Stem nut, the top of the second supporting leg and the both ends of the second feed screw nut are hinged, and one end of the second screw mandrel connects the second motor,
Second heat protector of motor is installed on the second motor.
On the basis of such scheme and as the preferred scheme of such scheme：Chute head end fixes the first entrucking accessory,
Both ends of the one end of two first connecting plates respectively with the first entrucking accessory are hinged, and have some through holes on the first entrucking accessory；
The another tail end of chute fixes the second entrucking accessory, and the both ends of one end of two second connecting plates respectively with the second entrucking accessory are hinged,
There are some through holes on second entrucking accessory.
On the basis of such scheme and as the preferred scheme of such scheme：One end of first screw mandrel passes through the first shaft coupling
Device is connected with the first motor, and one end of the second screw mandrel is connected by second shaft coupling with the second motor.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
Jack of the present utility model, two motors control supporting leg, supported by both legs respectively, than traditional single-leg type
With more good bearing capacity, more environment are adapted to, thermal protector is installed on motor, service life is longer.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the utility model Fig. 1 partial structural diagram.
Fig. 3 is overall structure diagram of the present utility model.
Fig. 4 is present invention looks up structural representation of the present utility model.
Fig. 5 is the utility model Fig. 4 partial structural diagram.
Fig. 6 is the utility model Fig. 3 partial structural diagram.
Fig. 7 is partial structural diagram of the present utility model.
Embodiment
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings；
This gives a kind of dual-gripper leg type jack, including chute 3, chute can be made up of C-type steel, chute
Bottom wall has opening, and the first screw mandrel 30, the second screw mandrel 33 are provided with chute, connectionless between the first screw mandrel and the second screw mandrel；
The first catch is welded with chute, one end of the first screw mandrel passes through first shaft coupling and the first tooth through the first catch
The output shaft of roller box is fixedly connected, and first gear case is fixedly connected with the head end of chute, and first gear case connects the first motor 32,
First heat protector of motor is installed, the first heat protector of motor is used to protect the first motor to avoid overloading work on the first motor
Make；
First ball bearing is installed between the catch side of first shaft coupling 301 and first on first screw mandrel, the first catch is another
From closely the first pad, the first back-up ring is equipped with to Yuanan, the first ball bearing and the first pad can play spacing regulation and make for side
With, while frictional force when the first screw mandrel rotates can be also reduced,
The first entrucking accessory 4 is also installed with the head end of chute, there are some through holes on the first entrucking accessory, it is some
Chute can be detachably secured on the chassis of caravan by through hole, be easy to later stage jack stand to safeguard；
First feed screw nut 31 is installed, the first feed screw nut can be moved with chute interior edge chute bearing of trend on first screw mandrel
Dynamic, the both ends of the first feed screw nut are connected with the top movable of the first supporting leg 10, and being hinged on the two side of the first supporting leg is connected to
Two first connecting plates 11, one end of two first connecting plates are hinged with the first entrucking accessory respectively, the first supporting leg, first
Bar, the first connecting plate form a similar triangular structure, improve overall stable and firm, while also achieve the first support
The Telescopic of leg,
The bottom of first supporting leg is hinged first and takes over a business 1, and first takes over a business to be used to contact with ground, realizes whole jack
Support has good stressing conditions,
The second catch is also welded with chute, one end of the second screw mandrel passes through second shaft coupling and second through the second catch
The output shaft of gear-box is fixedly connected, and second gear case is fixedly connected with the tail end of chute, and second is connected with second gear case
Motor 35, the second heat protector of motor is provided with the second motor, and the second heat protector of motor protects the second motor to avoid overloading
Work；
Second ball bearing is installed, the second catch is another on the second screw mandrel between second shaft coupling and the second catch side
Side is from closely to Yuanan, equipped with the first pad, the second back-up ring, the second ball, the second pad have spacing regulation, reduce by the second screw mandrel
The effect of rotation friction；
The second entrucking accessory 5 is fixedly mounted on the tail end of chute, there are some through holes, some through holes on the second entrucking accessory
It is easy to chute to be removably mounted on the domain of caravan, the first entrucking accessory is engaged with the second entrucking accessory and realizes integral installation
On the chassis of caravan.
Second feed screw nut 34 is installed, the second feed screw nut can also move in chute, second on second screw mandrel
The both ends of stem nut are connected with the top movable of the second supporting leg 20, and two second connections are hinged on the two side of the second supporting leg
Plate 21, one end of two second connecting plates are hinged with the second entrucking accessory respectively, the second supporting leg, the second screw mandrel, the second connection
Plate shape improves overall stable and firm into a similar triangular structure, while also achieves the flexible work(of the second supporting leg
Can,
The bottom wall of second supporting leg is hinged second and takes over a business 2, and second takes over a business to be used to contact with ground, can have well by
Power effect；Supported by both legs, wider than single leg support use range, pressure can effectively be disperseed by being taken over a business by two, two
Motor controls corresponding supporting leg respectively, and working effect can be made higher.
In use, the first entrucking accessory, the second entrucking accessory are fixed on lifting face, the first motor, are then controlled
Two motors work, and the first screw mandrel of driving, the second screw mandrel rotate, and realize that the first feed screw nut, the second feed screw nut move, first
Stem nut drives the first supporting leg to swing, and the second feed screw nut drives the second supporting leg to swing, and two supporting legs contact real with ground
Existing lifting, after having supporting leg to be contacted with support platform, if motor is also working always, the temperature of motor is increased to Thermal protection
During the default operating temperature of device, thermal protector shuts off circuit, plays a protective role, and avoids motor from working always and is burned out,
Thermal protector is prior art.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (3)
- A kind of 1. dual-gripper leg type jack, it is characterised in that：Take over a business including first（1）, second take over a business（2）, chute（3）；It is sliding The bottom wall of groove has opening；First takes over a business to be hinged the first supporting leg（10）, two first connecting plates are hinged on the two side of the first supporting leg（11）, Two first connecting plates are hinged with chute one end, and the first screw mandrel is provided with chute（30）, the first screw mandrel is installed on the first screw mandrel Nut（31）, the top of the first supporting leg and the both ends of the first feed screw nut are hinged, the electricity of one end connection first of the first screw mandrel Machine（32）；Second takes over a business to be hinged the second supporting leg（20）, two second connecting plates are hinged on the two side of the second supporting leg（21）, Two second connecting plates are hinged with the chute other end, and the second screw mandrel is additionally provided with chute（33）, the second screw mandrel and the first screw mandrel It is connectionless, the second feed screw nut is installed on the second screw mandrel（34）, the both ends of the top of the second supporting leg and the second feed screw nut It is hinged, one end of the second screw mandrel connects the second motor（35）.
- 2. dual-gripper leg type jack according to claim 1, it is characterised in that：Chute head end fixes the first entrucking accessory （4）, the both ends of one end of two first connecting plates respectively with the first entrucking accessory are hinged, had on the first entrucking accessory some logical Hole；Another tail end of chute fixes the second entrucking accessory（5）, one end of two second connecting plates both ends with the second entrucking accessory respectively It is hinged, there are some through holes on the second entrucking accessory.
- 3. dual-gripper leg type jack according to claim 2, it is characterised in that：One end of first screw mandrel passes through first Axle device is connected with the first motor, and one end of the second screw mandrel is connected by second shaft coupling with the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992836.3U CN207142731U (en) | 2017-08-09 | 2017-08-09 | A kind of dual-gripper leg type jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992836.3U CN207142731U (en) | 2017-08-09 | 2017-08-09 | A kind of dual-gripper leg type jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207142731U true CN207142731U (en) | 2018-03-27 |
Family
ID=61666261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992836.3U Expired - Fee Related CN207142731U (en) | 2017-08-09 | 2017-08-09 | A kind of dual-gripper leg type jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207142731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821169A (en) * | 2018-09-05 | 2018-11-16 | 无锡康泰电子有限公司 | Folding electric jack |
| CN110255438A (en) * | 2019-06-20 | 2019-09-20 | 浙江吉利控股集团有限公司 | A kind of automobile jacking apparatus |
-
2017
- 2017-08-09 CN CN201720992836.3U patent/CN207142731U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821169A (en) * | 2018-09-05 | 2018-11-16 | 无锡康泰电子有限公司 | Folding electric jack |
| CN108821169B (en) * | 2018-09-05 | 2024-05-10 | 无锡康泰电子有限公司 | Folding electric jack |
| CN110255438A (en) * | 2019-06-20 | 2019-09-20 | 浙江吉利控股集团有限公司 | A kind of automobile jacking apparatus |
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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: 20180327 Termination date: 20180809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |