CN220201270U

CN220201270U - Jack positioning device

Info

Publication number: CN220201270U
Application number: CN202321315439.4U
Authority: CN
Inventors: 张敏; 陈德全; 张永清; 李凤祥; 陆益辉
Original assignee: Zhangjiagang Yunchen Automobile Parts Co ltd
Current assignee: Zhangjiagang Yunchen Automobile Parts Co ltd
Priority date: 2023-05-27
Filing date: 2023-05-27
Publication date: 2023-12-19
Anticipated expiration: 2033-05-27

Abstract

The utility model discloses a jack positioning device which comprises a base, lifting arms, driving rods and supporting seats, wherein the lifting arms are movably connected to two sides of the top of the base, the driving rods are arranged on the left sides of the lifting arms, the right ends of the driving rods penetrate through the right sides of the lifting arms and are in threaded connection with the lifting arms, the supporting seats are movably connected to the top of the lifting arms, mounting plates are arranged on the right sides of the base, and the tops of the mounting plates are fixedly connected with lifting rods. According to the utility model, the cross positioning frame is arranged, so that the cross positioning frame is matched with the positioning sleeve and the friction abutting component to position the driving rod, the problem that the supporting stability of the supporting seat to the object is affected because the supporting seat is driven to move upwards to support the object by rotating the driving rod, and the object is transmitted to the driving rod through the lifting arm after being vibrated when the supporting seat supports the object is solved.

Description

Jack positioning device

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a jack positioning device.

Background

The jack is a light and small lifting device which uses a rigid jacking piece as a working device and jacks up a heavy object in a small stroke of a top bracket or a bottom supporting claw. The jack is mainly used for departments such as factories and mines, transportation and the like to repair vehicles and work such as other lifting and supporting. The structure of the scissor jack is light, firm, flexible and reliable, and the scissor jack can be carried and operated by one person, and is called as a scissor jack because the structure appearance is like a scissor.

For example, application number CN202222913930.9 discloses a jack, which comprises a base, a supporting seat, a driving rod and two lifting arms, wherein the two lifting arms are arranged at intervals, the upper end and the lower end of the two lifting arms are respectively hinged on the base and the supporting seat, the lifting arms comprise an upper lifting arm and a lower lifting arm which are hinged through a hinge shaft, the driving rod is in threaded connection with the two hinge shafts to adjust the distance between the two lifting arms, one end of the driving rod is provided with a driving ring matched with an external angle rocking handle and a driving seat matched with an internal angle rocking handle, and the peripheral side of the driving seat is matched with the shape of the internal angle rocking handle. Because the driving seat is the polygonal bolt head matched with the inner angle rocking handle, the contact area between the driving seat and the inner angle rocking handle is large, and the driving rod is labor-saving when being rotated. When the driving rod is difficult to rotate through the external angle rocking handle, the driving seat is rotated through the internal angle rocking handle to realize the rotation of the driving rod, so that the lifting arm continuously ascends, the lifting height of the lifting arm is improved, and of course, the driving force is larger and the driving rod is easier to rotate when the driving ring and the driving seat are used for driving the driving rod.

Based on the retrieval of the above patent and the discovery of the equipment in the combination prior art, although the existing jack can be solved when the equipment is applied, along with the rising of the lifting arm, the resistance to the supporting seat is increased, the rocking handle is not easy to rotate and is easy to slip, and the lifting arm is difficult to rise again.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a jack positioning device which has the advantages of positioning and solves the problems that a positioning structure is not arranged in the device in the use process, a supporting seat is driven to move upwards by a rotary driving rod to support an object, the object is transmitted to the driving rod through a lifting arm after being vibrated when the supporting seat supports the object, and the driving rod is loosened after being vibrated, so that the supporting stability of the supporting seat to the object is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a jack positioner, includes base, lifting arm, actuating lever and supporting seat, lifting arm swing joint is in base top both sides, the actuating lever sets up in the left side of lifting arm, the right-hand member of actuating lever runs through to the right side of lifting arm and with lifting arm threaded connection, supporting seat swing joint is at the top of lifting arm, the right side of base is provided with the mounting panel, the top fixedly connected with lifting rod of mounting panel, the top fixedly connected with fixed plate of lifting rod, the right side fixedly connected with cross locating rack of actuating lever, the surface grafting of cross locating rack has the spacer sleeve, the left side at the fixed plate top is inlayed to the spacer sleeve activity, the mounting groove has been seted up at the top of fixed plate left side, the inside swing joint of mounting groove has friction to support tight subassembly.

As the preferable mode of the utility model, the friction abutting assembly comprises a first positioning sloping plate, wherein the bottom of the first positioning sloping plate is movably connected with a second positioning sloping plate, and the bottom of the second positioning sloping plate is movably connected with the top of the positioning sleeve.

As the preferable mode of the utility model, the tops of the front surface and the back surface of the fixed plate are respectively provided with a sliding groove, the front surface and the back surface of the second positioning sloping plate are respectively fixedly connected with a sliding frame, the sliding frames are in sliding connection with the sliding grooves, the bottoms of the inner walls of the sliding grooves are fixedly connected with springs, and the top ends of the springs are fixedly connected with the bottoms of the sliding frames.

As the preferable mode of the utility model, the top of the first positioning sloping plate is fixedly connected with positioning teeth, the top of the fixed plate is movably embedded with a positioning rod, and the bottom of the positioning rod penetrates into the mounting groove and is movably connected with the positioning teeth.

As the preferable mode of the utility model, the front side and the rear side of the top of the inner wall of the mounting groove are respectively provided with a limiting groove, the front side and the rear side of the top of the first positioning sloping plate are respectively fixedly connected with a limiting rod, and the limiting grooves are movably connected with the limiting rods.

As preferable, the right side of the first positioning sloping plate is fixedly connected with a handle, and the right side of the limiting rod is fixedly connected with a limiting disc.

As the preferable mode of the utility model, the top of the second positioning sloping plate is movably embedded with a plurality of balls which are distributed at equal intervals, and the balls are movably connected with the first positioning sloping plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the cross positioning frame is arranged, so that the cross positioning frame is matched with the positioning sleeve and the friction abutting component to position the driving rod, the problem that the supporting stability of the supporting seat to the object is affected because the supporting seat is not provided with a positioning structure in the using process, the supporting seat is driven to move upwards to support the object by rotating the driving rod, the object is transmitted to the driving rod through the lifting arm after being vibrated when the supporting seat supports the object, and the driving rod is loosened after being vibrated is solved.

2. According to the utility model, the friction abutting assembly is arranged, so that the second positioning inclined plate can be driven to move downwards through the inclined surface after the first positioning inclined plate moves rightwards, the bottom of the second positioning inclined plate is tightly attached to the surface of the positioning sleeve, so that the cross positioning frame is positioned through the positioning sleeve, and the sliding groove, the sliding frame and the spring are arranged, so that the second positioning inclined plate can be limited by the matched use of the sliding groove and the sliding frame, the phenomenon that the second positioning inclined plate moves forwards and backwards or is separated when in use is avoided, and meanwhile, the second positioning inclined plate can be driven to move upwards through the self elastic force by the use of the spring, so that the first positioning inclined plate is tightly attached to the second positioning inclined plate.

3. According to the utility model, the positioning teeth and the positioning rods are arranged, so that the first positioning inclined plate can be positioned by the cooperation of the positioning teeth and the positioning rods, the first positioning inclined plate is prevented from moving leftwards in the using process, the shaking phenomenon of the first positioning inclined plate is prevented when the first positioning inclined plate is used, the stability of the first positioning inclined plate in use is ensured, and the first positioning inclined plate can be limited by the cooperation of the limiting grooves and the limiting rods through the arrangement of the limiting grooves and the limiting rods, so that the first positioning inclined plate is prevented from being separated when the first positioning inclined plate is used.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

fig. 3 is a schematic view of a three-dimensional explosion structure of the utility model.

In the figure: 1. a base; 2. a lifting arm; 3. a driving rod; 4. a support base; 5. a mounting plate; 6. a lifting rod; 7. a fixing plate; 8. a cross positioning frame; 9. a positioning sleeve; 10. a mounting groove; 11. friction tightening assembly; 111. a first positioning sloping plate; 112. a second positioning sloping plate; 12. a sliding groove; 13. a carriage; 14. a spring; 15. positioning teeth; 16. a positioning rod; 17. a limit groove; 18. a limit rod; 19. a handle; 20. a limiting disc; 21. and (3) rolling balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the jack positioning device provided by the utility model comprises a base 1, a lifting arm 2, a driving rod 3 and a supporting seat 4, wherein the lifting arm 2 is movably connected to two sides of the top of the base 1, the driving rod 3 is arranged on the left side of the lifting arm 2, the right end of the driving rod 3 penetrates through the right side of the lifting arm 2 and is in threaded connection with the lifting arm 2, the supporting seat 4 is movably connected to the top of the lifting arm 2, a mounting plate 5 is arranged on the right side of the base 1, a lifting rod 6 is fixedly connected to the top of the mounting plate 5, a fixing plate 7 is fixedly connected to the top of the lifting rod 6, a cross positioning frame 8 is fixedly connected to the right side of the driving rod 3, a positioning sleeve 9 is inserted on the surface of the cross positioning frame 8, the positioning sleeve 9 is movably embedded on the left side of the top of the fixing plate 7, a mounting groove 10 is formed in the left side of the fixing plate 7, and a friction abutting assembly 11 is movably connected to the inside of the mounting groove 10.

Referring to fig. 3, the friction tightening assembly 11 includes a first positioning sloping plate 111, a second positioning sloping plate 112 is movably connected to the bottom of the first positioning sloping plate 111, and the bottom of the second positioning sloping plate 112 is movably connected to the top of the positioning sleeve 9.

As a technical optimization scheme of the utility model, by arranging the friction abutting assembly 11, the first positioning sloping plate 111 can drive the second positioning sloping plate 112 to move downwards through the inclined surface after moving rightwards, and the bottom of the second positioning sloping plate 112 is tightly attached to the surface of the positioning sleeve 9, so that the cross positioning frame 8 is positioned through the positioning sleeve 9.

Referring to fig. 3, the top of the front and back surfaces of the fixing plate 7 are both provided with a sliding groove 12, the front and back surfaces of the second positioning sloping plate 112 are both fixedly connected with a sliding frame 13, the sliding frame 13 is slidably connected with the sliding groove 12, the bottom of the inner wall of the sliding groove 12 is fixedly connected with a spring 14, and the top end of the spring 14 is fixedly connected with the bottom of the sliding frame 13.

As a technical optimization scheme of the utility model, through arranging the sliding groove 12, the sliding frame 13 and the spring 14, the second positioning sloping plate 112 can be limited by the matched use of the sliding groove 12 and the sliding frame 13, the phenomenon that the second positioning sloping plate 112 moves forwards and backwards or is separated when in use is avoided, and meanwhile, the second positioning sloping plate 112 can be driven to move upwards by the use of the spring 14 through the self elasticity, so that the first positioning sloping plate 111 and the second positioning sloping plate 112 are tightly attached.

Referring to fig. 3, the top of the first positioning sloping plate 111 is fixedly connected with positioning teeth 15, the top of the fixing plate 7 is movably embedded with a positioning rod 16, and the bottom of the positioning rod 16 penetrates into the mounting groove 10 and is movably connected with the positioning teeth 15.

As a technical optimization scheme of the utility model, the positioning teeth 15 and the positioning rods 16 are arranged, so that the first positioning inclined plate 111 can be positioned by the cooperation of the positioning teeth 15 and the positioning rods 16, the first positioning inclined plate 111 is prevented from moving leftwards in the using process, the shaking phenomenon of the first positioning inclined plate 111 in the using process is avoided, and the stability of the first positioning inclined plate 111 in the using process is ensured.

Referring to fig. 3, the front side and the rear side of the top of the inner wall of the installation groove 10 are both provided with a limit groove 17, the front side and the rear side of the top of the first positioning sloping plate 111 are both fixedly connected with a limit rod 18, and the limit groove 17 is movably connected with the limit rod 18.

As a technical optimization scheme of the utility model, the limit groove 17 and the limit rod 18 are arranged, so that the first positioning inclined plate 111 can be limited by the cooperation of the limit groove 17 and the limit rod 18, and the phenomenon that the first positioning inclined plate 111 is separated during use is avoided.

Referring to fig. 3, a handle 19 is fixedly connected to the right side of the first positioning sloping plate 111, and a limiting disc 20 is fixedly connected to the right side of the limiting rod 18.

As a technical optimization scheme of the utility model, through the arrangement of the handle 19 and the limiting disc 20, the handle 19 can be used conveniently for a user to pull the first positioning inclined plate 111 to the right, and meanwhile, the limiting disc 20 can be used for avoiding the separation of the limiting rod 18 and the limiting groove 17.

Referring to fig. 3, balls 21 are movably embedded in the top of the second positioning sloping plate 112, the balls 21 are provided with a plurality of balls and are equidistantly distributed, and the balls 21 are movably connected with the first positioning sloping plate 111.

As a technical optimization of the present utility model, by providing the balls 21, the use of the balls 21 can reduce the friction between the first swash plate 111 and the second swash plate 112, and make the first swash plate 111 smoother when moving to the right.

The working principle and the using flow of the utility model are as follows: after the supporting seat 4 supports the object, the height of the fixing plate 7 is adjusted through the telescopic rod, the locating sleeve 9 is sleeved on the surface of the cross locating rack 8, then the handle 19 drives the first locating inclined plate 111 to move rightward in the mounting groove 10, the first locating inclined plate 111 can drive the second locating inclined plate 112 to move downward after moving rightward, meanwhile, the first locating inclined plate 111 can drive the locating teeth 15 to move rightward, the locating teeth 15 are matched with the locating rod 16 to locate the first locating inclined plate 111, the second locating inclined plate 112 can be tightly attached to the surface of the locating sleeve 9 after moving downward, and therefore friction locating is carried out on the locating sleeve 9, and the driving rod 3 is located, so that the locating effect is achieved.

To sum up: this jack positioner, through setting up cross locating rack 8, make cross locating rack 8 cooperation spacer bush 9 and friction support tight subassembly 11 and fix a position actuating lever 3, solved the device in the in-process of using and do not set up location structure, drive the supporting seat through rotatory actuating lever and upwards move and support the object, the object will be transmitted to the actuating lever through the lifting arm after receiving the vibration when the supporting seat supports the object for the actuating lever can appear not hard up phenomenon after receiving the vibration, thereby influences the supporting seat to object stability's problem.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a jack positioner, includes base (1), lifting arm (2), actuating lever (3) and supporting seat (4), its characterized in that: lifting arm (2) swing joint is in base (1) top both sides, actuating lever (3) set up in the left side of lifting arm (2), the right-hand member of actuating lever (3) runs through to the right side of lifting arm (2) and with lifting arm (2) threaded connection, supporting seat (4) swing joint is at the top of lifting arm (2), the right side of base (1) is provided with mounting panel (5), the top fixedly connected with of mounting panel (5) is stepped down pole (6), the top fixedly connected with fixed plate (7) of stepped down pole (6), the right side fixedly connected with cross locating rack (8) of actuating lever (3), peg graft on the surface of cross locating rack (8) has locating sleeve (9), locating sleeve (9) movable mosaic is in the left side at fixed plate (7) top, mounting groove (10) have been seted up at the top of fixed plate (7) left side, the inside swing joint of mounting groove (10) has friction to support tight subassembly (11).

2. A jack positioning device according to claim 1 wherein: the friction propping assembly (11) comprises a first positioning inclined plate (111), a second positioning inclined plate (112) is movably connected to the bottom of the first positioning inclined plate (111), and the bottom of the second positioning inclined plate (112) is movably connected with the top of the positioning sleeve (9).

3. A jack positioning device according to claim 2 wherein: the sliding groove (12) has all been seted up at the top of fixed plate (7) front and back, the front and the back of second location swash plate (112) all fixedly connected with carriage (13), carriage (13) and sliding groove (12) sliding connection, the bottom fixedly connected with spring (14) of sliding groove (12) inner wall, the top and the bottom fixed connection of carriage (13) of spring (14).

4. A jack positioning device according to claim 2 wherein: the top fixedly connected with location tooth (15) of first location swash plate (111), the top activity of fixed plate (7) is inlayed and is had locating lever (16), the bottom of locating lever (16) runs through to inside and location tooth (15) swing joint of mounting groove (10).

5. A jack positioning device according to claim 2 wherein: limiting grooves (17) are formed in the front side and the rear side of the top of the inner wall of the mounting groove (10), limiting rods (18) are fixedly connected to the front side and the rear side of the top of the first positioning sloping plate (111), and the limiting grooves (17) are movably connected with the limiting rods (18).

6. A jack positioning device as claimed in claim 5 wherein: the right side of first location swash plate (111) fixedly connected with handle (19), the right side fixedly connected with limiting plate (20) of gag lever post (18).

7. A jack positioning device according to claim 2 wherein: the top activity of second location swash plate (112) is inlayed and is had ball (21), ball (21) are provided with a plurality of and are equidistant the distribution, ball (21) and first location swash plate (111) swing joint.