CN114229734A - Jack with rotatable tray frame - Google Patents
Jack with rotatable tray frame Download PDFInfo
- Publication number
- CN114229734A CN114229734A CN202111583484.3A CN202111583484A CN114229734A CN 114229734 A CN114229734 A CN 114229734A CN 202111583484 A CN202111583484 A CN 202111583484A CN 114229734 A CN114229734 A CN 114229734A
- Authority
- CN
- China
- Prior art keywords
- tray
- connecting rod
- long connecting
- shaft
- pin shaft
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers
- B66F5/04—Mobile jacks of the garage type mounted on wheels or rollers with fluid-pressure-operated lifting gear
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a jack with a rotatable tray frame, which comprises a jack body, wherein the jack body comprises a bottom frame, an oil pump, a lifting arm, a long connecting rod, a tray seat and a handle, the rear end of the lifting arm is hinged with a lifting arm shaft of the bottom frame, the front end of the lifting arm is hinged with the tray seat through a tray seat pin shaft, the rear end of the long connecting rod is hinged with a wallboard through a long connecting rod wallboard connecting shaft, and the tray seat is provided with a first long connecting rod pin shaft and a second long connecting rod pin shaft; when the jack body is in a low position state, the front end of the long connecting rod is connected with a first long connecting rod pin shaft; when the jack body is in a high-position state, the tray seat is overturned by 90 degrees around the tray seat pin shaft, and the front end of the long connecting rod is connected with the second long connecting rod pin shaft. The tray seat is designed to be integrally turned, has the characteristics of simple structure, convenience in operation, stability in connection, high integral rigidity and the like, can bear larger unbalance loading, and is high in safety.
Description
Technical Field
The invention relates to the technical field of jacks, in particular to a jack with a rotatable tray rack.
Background
With the improvement of living standard of people, many families are equipped with two or more household vehicles. When a plurality of vehicles are used, a plurality of people adopt the vehicle combination of a common household car and an SUV vehicle. The jack used as a vehicle maintenance tool is generally fixed in applicable height, namely, the low-position jack is only suitable for a car with a low chassis, and the high-position jack is required for vehicles with high chassis such as SUV (sports utility vehicle).
The conventional jack is only suitable for the same type of vehicles, and when two or more types of vehicles need to be adapted, one jack cannot well meet the requirements.
Disclosure of Invention
The present invention provides a jack with a rotatable tray frame to solve the above technical problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a jack with a rotatable tray frame comprises a jack body, wherein the jack body comprises a bottom frame, an oil pump, a lifting arm, a long connecting rod, a tray seat and a handle, the bottom frame comprises two wall plates, a front wheel and a rear wheel which are arranged oppositely, the oil pump is arranged at the rear part of the bottom frame, the rear end of the lifting arm is hinged with a lifting arm shaft of the bottom frame, the front end of the lifting arm is hinged with the tray seat through a tray seat pin shaft, and the rear end of the long connecting rod is hinged with the wall plates through a long connecting rod wall plate connecting shaft; the tray seat is provided with a first long connecting rod pin shaft and a second long connecting rod pin shaft, two end faces of the tray seat are respectively provided with a tray mounting surface, and the tray is detachably connected to one of the tray mounting surfaces;
when the jack body is in a low position state, the front end of the long connecting rod is connected with a first long connecting rod pin shaft, and a parallelogram is formed by sequentially connecting four axes of the tray seat pin shaft, the first long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft; when the jack body is in a high-position state, the tray seat is turned by 90 degrees around the tray seat pin shaft, the front end of the long connecting rod is connected with a second long connecting rod pin shaft, the height of the tray seat after turning is higher than that of the tray seat before turning, and a pattern formed by sequentially connecting four shaft centers of the tray seat pin shaft, the second long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft is a parallelogram; before and after overturning, the tray seat, the lifting arm, the long connecting rod and the wallboard all form a parallelogram structure.
Preferably, the distance between the tray seat pin shaft and the first long connecting rod pin shaft is equal to the distance between the tray seat pin shaft and the second long connecting rod pin shaft.
Preferably, the handle is connected to a drain valve stem provided on the oil outlet passage of the oil pump by a snap.
Preferably, the wallboard is the notch cuttype, and the longitudinal height of wallboard increases progressively from the front to back, and the height of wallboard front end is less than the longitudinal height of tray seat, the front wheel is installed in the wallboard front end.
Preferably, the edge of the bottom of the tray is provided with a stop pin, the tray mounting surface is provided with a tray mounting hole matched with a tray shaft at the bottom of the tray, the tray mounting hole is connected with a stop pin groove matched with the stop pin, and the tray is inserted into the tray mounting hole and is clamped with the tray seat through the stop pin after rotating.
Preferably, the tray installation surface is provided with a plurality of annular anti-slip grooves.
Compared with the prior art, the tray seat is designed to be integrally turned, has the characteristics of simple structure, convenience in operation, stability in connection, high integral rigidity and the like, can bear larger unbalance loading, and is high in safety.
Drawings
FIG. 1 is a schematic view of a rotatable jack of the pallet rack in a low position;
FIG. 2 is a schematic top view of the rotatable jack of the pallet rack of the present invention in a low position;
FIG. 3 is a schematic view of the rotatable jack of the pallet rack of the present invention in a high position;
FIG. 4 is a schematic view of a structure of the rotatable jack for connecting the tray and the tray frame;
fig. 5 is an enlarged structural view of the direction a in fig. 4.
In the figure, 1-underframe, 2-oil pump, 3-lifting arm, 4-handle, 5-tray frame, 6-tray, 7-long connecting rod, 8-rear wheel frame, 9-press handle, 11-wall board, 12-front wheel, 13-rear wheel, 14-tray seat pin shaft, 15-first long connecting rod pin shaft, 16-second long connecting rod pin shaft, 17-long connecting rod wall board connecting shaft, 18-lifting arm shaft, 19-tray shaft, 20-stop pin and 21-stop pin groove.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1 to 3, a jack with a rotatable tray frame comprises a jack body, wherein the jack body comprises an underframe 1, an oil pump 2, a lifting arm 3, a long connecting rod 7, a tray 6, a tray seat 5 and a handle 4, the underframe 1 comprises two wall plates 11, a front wheel 12 and a rear wheel 13 which are just opposite to each other, the oil pump 2 is installed at the rear part of the underframe 1, the rear end of the lifting arm 3 is hinged to a lifting arm shaft 18 of the underframe 1, the front end of the lifting arm 3 serves as a free end and is hinged to the tray seat 5 through a tray seat pin shaft 14, the rear section of the long connecting rod 7 is hinged to the wall plate 11 through a long connecting rod wall plate connecting shaft 17, and a piston rod of the oil pump 2 is hinged to the bottom of the lifting arm 3 through a connecting rod and is used for driving the lifting arm 3 to lift. The handle 4 can be connected with an oil discharge valve rod arranged on an oil outlet passage of the oil pump 2 through a snap 9.
The tray seat 5 is provided with a first long connecting rod pin shaft 15 and a second long connecting rod pin shaft 16, the upper end face and the left end face of the tray seat 5 are respectively provided with a tray mounting face, and the tray 6 is detachably connected to one of the tray mounting faces.
Wallboard 11 can be the notch cuttype, and the longitudinal height of wallboard 11 increases progressively from the past backward, and the height of wallboard 11 front end is less than the longitudinal height of tray seat 5, front wheel 12 installs in wallboard 11 front end, rear wheel 13 can install in wallboard 11 rear end through rear wheel carrier 8.
When the jack body is in a low position state, the long connecting rod 7 is inserted into a first long connecting rod pin shaft 15 of the tray seat 5, the tray 6 is installed on the upper end face of the tray seat 5, and a parallelogram is formed by sequentially connecting four shaft centers of a tray seat pin shaft 14, the first long connecting rod pin shaft 15, a lifting arm shaft 18 and a long connecting rod wallboard connecting shaft 17; when the jack body is in a high-position state, the tray seat 5 rotates 90 degrees clockwise, the long connecting rod 7 is pulled out from the first long connecting rod pin shaft 15 and is inserted into the second long connecting rod pin shaft 16 of the tray seat 5, the tray 6 is installed on the left end face (namely the end face turned over for 90 degrees and upwards) of the tray seat 5, and a pattern formed by sequentially connecting four axes of the tray seat pin shaft 14, the second long connecting rod pin shaft 16, the lifting arm shaft 18 and the long connecting rod wallboard connecting shaft 17 is a parallelogram.
Here, the height of the tray seat 5 after the inversion is higher than the height of the tray seat 5 before the inversion. When a vehicle with a chassis such as an SUV (sports utility vehicle) needs to be jacked, the tray 6 is detached from the tray seat 5, the left long connecting rod 7 and the right long connecting rod 7 are separated from the first long connecting rod pin 15, the tray seat 5 is turned by 90 degrees, the long connecting rods 7 are arranged in the second long connecting rod pin 16, and the tray 6 is arranged on the turned top surface of the tray seat 5. Before and after overturning, the tray seat 5, the lifting arm 3, the long connecting rod 7 and the wall plate 11 all form a parallelogram structure.
The distance between the tray seat pin shaft 14 and the first long connecting rod pin shaft 15 is equal to the distance between the tray seat pin shaft 14 and the second long connecting rod pin shaft 16.
As shown in fig. 4 and 5, in order to facilitate the detachment of the tray 6, the bottom edge of the tray 6 is provided with a stop pin 20, the tray mounting surface is provided with a tray mounting hole matched with the tray shaft 19 at the bottom of the tray 6, and the tray mounting hole is connected with a stop pin groove 21 matched with the stop pin 20. When the tray 6 is installed, the stop pin 20 is aligned to the stop pin groove 21 of the tray seat 5, the tray 6 is inserted into the tray installation hole to the bottom, and the tray 6 is rotated by a certain angle and then is clamped with the tray seat 5 through the stop pin 20, so that the tray 6 can be prevented from being separated.
In order to facilitate the tray 6 not to slide easily, the tray mounting surface can also be provided with a plurality of annular anti-sliding grooves. The annular anti-skid groove can be concentric with the tray mounting hole or not. The annular anti-skid groove can be of a closed structure such as a rectangle, a circle or a prism, and can also be of other open structures.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. A jack with a rotatable tray frame is characterized by comprising a jack body, wherein the jack body comprises a bottom frame, an oil pump, a lifting arm, a long connecting rod, a tray seat and a handle, the bottom frame comprises two wall plates, front wheels and rear wheels which are arranged just opposite to each other, the oil pump is installed at the rear part of the bottom frame, the rear end of the lifting arm is hinged with a lifting arm shaft of the bottom frame, the front end of the lifting arm is hinged with the tray seat through a tray seat pin shaft, and the rear end of the long connecting rod is hinged with the wall plates through a long connecting rod wall plate connecting shaft; the tray seat is provided with a first long connecting rod pin shaft and a second long connecting rod pin shaft, two end faces of the tray seat are respectively provided with a tray mounting surface, and the tray is detachably connected to one of the tray mounting surfaces;
when the jack body is in a low position state, the front end of the long connecting rod is connected with a first long connecting rod pin shaft, and a parallelogram is formed by sequentially connecting four axes of the tray seat pin shaft, the first long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft; when the jack body is in a high-position state, the tray seat is turned by 90 degrees around the tray seat pin shaft, the front end of the long connecting rod is connected with a second long connecting rod pin shaft, the height of the tray seat after turning is higher than that of the tray seat before turning, and a pattern formed by sequentially connecting four shaft centers of the tray seat pin shaft, the second long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft is a parallelogram; before and after overturning, the tray seat, the lifting arm, the long connecting rod and the wallboard all form a parallelogram structure.
2. The rotatable jack for a tray rack as claimed in claim 1, wherein the distance between the tray base pin and the first long link pin is equal to the distance between the tray base pin and the second long link pin.
3. The rotatable jack for a tray rack as claimed in claim 1, wherein the handle is connected to an oil drain valve stem disposed on the oil outlet passage of the oil pump by a snap-on handle.
4. The rotatable jack of tray rack of claim 1, wherein the wall plate is stepped, the longitudinal height of the wall plate increases from front to back, and the height of the front end of the wall plate is lower than the longitudinal height of the tray seat, and the front wheel is mounted on the front end of the wall plate.
5. The rotatable jack of tray rack as claimed in claim 1, wherein the bottom edge of the tray is provided with a stop pin, the tray mounting surface is provided with a tray mounting hole matched with the tray shaft at the bottom of the tray, the tray mounting hole is connected with a stop pin slot matched with the stop pin, and the tray is inserted into the tray mounting hole and is clamped with the tray seat through the stop pin after rotating.
6. The rotatable jack for a tray rack as claimed in claim 1, wherein the tray mounting surface is provided with a plurality of annular anti-slip grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583484.3A CN114229734A (en) | 2021-12-22 | 2021-12-22 | Jack with rotatable tray frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583484.3A CN114229734A (en) | 2021-12-22 | 2021-12-22 | Jack with rotatable tray frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114229734A true CN114229734A (en) | 2022-03-25 |
Family
ID=80761638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111583484.3A Pending CN114229734A (en) | 2021-12-22 | 2021-12-22 | Jack with rotatable tray frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114229734A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003226490A (en) * | 2002-02-04 | 2003-08-12 | Anzen Motor Car Co Ltd | Jack |
| CN200974757Y (en) * | 2006-11-09 | 2007-11-14 | 杭州盈江机械制造有限公司 | Safety jack |
| CN201520615U (en) * | 2009-09-16 | 2010-07-07 | 常熟通润汽车零部件股份有限公司 | Hydraulic horizontal jack with adjustable erector arm |
| CN205892632U (en) * | 2016-06-27 | 2017-01-18 | 杭州盈江机械制造有限公司 | Automatic jack of taking one's place |
| CN209778158U (en) * | 2019-03-08 | 2019-12-13 | 杭州天恒机械有限公司 | Jack capable of rotatably heightening tray |
-
2021
- 2021-12-22 CN CN202111583484.3A patent/CN114229734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003226490A (en) * | 2002-02-04 | 2003-08-12 | Anzen Motor Car Co Ltd | Jack |
| CN200974757Y (en) * | 2006-11-09 | 2007-11-14 | 杭州盈江机械制造有限公司 | Safety jack |
| CN201520615U (en) * | 2009-09-16 | 2010-07-07 | 常熟通润汽车零部件股份有限公司 | Hydraulic horizontal jack with adjustable erector arm |
| CN205892632U (en) * | 2016-06-27 | 2017-01-18 | 杭州盈江机械制造有限公司 | Automatic jack of taking one's place |
| CN209778158U (en) * | 2019-03-08 | 2019-12-13 | 杭州天恒机械有限公司 | Jack capable of rotatably heightening tray |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4645181A (en) | High performance air jack | |
| US4558848A (en) | Jack adapter | |
| CN114229734A (en) | Jack with rotatable tray frame | |
| CN216737381U (en) | Jack with tray convenient to use | |
| CN104149560A (en) | Automatic anti-skidding device for vehicle | |
| CN216272864U (en) | Storehouse and open-air multipurpose type horizontal jack | |
| CN100410089C (en) | Brake booster for vehicle wheel | |
| KR100387566B1 (en) | Lift-apparatus for automobile | |
| CN216508287U (en) | Leveling mechanism for supporting all-region target detection vehicle | |
| CN209868408U (en) | Longitudinal engine split-combination tray | |
| CN201951432U (en) | Supporting and limiting device for automobile jack | |
| CN210437160U (en) | Vehicle engineering supporting device convenient to use | |
| CN207790225U (en) | Vehicle-mounted placed type tyre detacher | |
| US2563927A (en) | Wheeled supporting platform attachment unit for jacks | |
| WO2022057009A1 (en) | Axle assembly | |
| CN217756688U (en) | Multifunctional jack | |
| CN211899926U (en) | Vehicle management parking car arrester | |
| CN217894273U (en) | Spare tire turnover mechanism and spare tire turnover equipment | |
| US20240101403A1 (en) | Adapter for lifting a vehicle using a vehicle jack | |
| CN214215741U (en) | Be applied to gallows of auto-parts installation | |
| CN112645233A (en) | Storehouse and open-air multipurpose type horizontal jack | |
| CN218950900U (en) | Emergency fault overhauling device for automobile | |
| CN215850623U (en) | Rear wheel structure of container loader | |
| CN212744569U (en) | Oil cylinder structure of jack | |
| CN219257593U (en) | Balance unloading vehicle capable of bearing light cargoes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |