CN212101818U

CN212101818U - Bottom supporting mechanism for jack

Info

Publication number: CN212101818U
Application number: CN202020389555.0U
Authority: CN
Inventors: 叶枫
Original assignee: Ningbo Tiansheng Transmission Member Co ltd
Current assignee: Ningbo Tiansheng Transmission Member Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-08
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a bottom sprag mechanism for jack, including bottom plate and roof, the spout has been seted up to the bottom plate top surface. Has the advantages that: the utility model discloses a handle bolt, the slider, wedge roof and bottom plate, arrange this device in the jack below, the accessible rotates the handle bolt and drives the slider and rotate inside the spout, the slider removes the wedge that drives the slide wedge contact with it and rises or descends, thereby accomplish the angle change of roof top surface, can utilize triangle leveling principle leveling roof through rotating three handle bolt, leveling convenient and fast, and simultaneously, wedge and slider adopt the metal to make, it is more withstand voltage, be fit for the jack and use, behind the roof level, make the jack that is located the roof top surface be in the vertical state, thereby make the jack atress more scientific and stable, the jack steady operation of being convenient for, the problem of leading to jack lift to reduce because of the angle slope has been avoided, the work safety of jack has been protected.

Description

Bottom supporting mechanism for jack

Technical Field

The utility model relates to a jack technical field particularly, relates to a bottom sprag mechanism for jack.

Background

The jack is light and small hoisting equipment which takes a rigid jacking piece as a working device and jacks a heavy object in a small stroke through a top bracket or a bottom supporting claw, is mainly used for the departments of factories, mines, transportation and the like as vehicle repair and other hoisting, supporting and the like, has a light and firm structure, is flexible and reliable, and can be carried and operated by one person.

Traditional jack during operation generally can require to use in flat bottom surface, because the jack belongs to axial pressurized component, at the during operation, if the ground slope, the jack when using, the slope of certain angle can appear, not only can produce irregular pressurized to inside piston and steel wall, the phenomenon of skidding still appears easily in the bottom moreover, because the uneven bottom local squashed situation that appears of pressurized even is unfavorable for jack steady operation, influences the life of jack.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a bottom sprag mechanism for jack possesses the levelling, guarantees the vertical work of jack, the advantage of being convenient for remove, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For the advantage that realizes above-mentioned levelling, guarantee the vertical work of jack, be convenient for remove, the utility model discloses a concrete technical scheme as follows:

the utility model provides a bottom sprag mechanism for jack, includes bottom plate and roof, the spout has been seted up to the bottom plate top surface, and the inside sliding connection of spout has the slider to spout internally mounted has the handle bolt, the handle bolt run through the slider and with slider threaded connection, and handle bolt one end run through the bottom plate and extend to the bottom plate outside, the fixed welding of spout inner wall has the rotation seat, and rotates the inside rotation of seat and be connected with the rotation plectane, the handle bolt runs through and rotates the seat and rotate plectane fixed welding, and the handle bolt rotates with the rotation seat and be connected, the bottom plate top surface is provided with the roof, and the welding of roof bottom surface has the wedge, and the sliding fit of wedge bottom surface and slider top surface, the handle bolt is provided with threely, and.

Further, the edges of the two ends of the bottom plate are welded with I-shaped wheels, lifting rings are rotatably sleeved at the web columns of the I-shaped wheels, and the lifting rings are made of metal materials.

Furthermore, a placing groove is formed in the top surface of the top plate, and a round level is embedded into one side of the placing groove, which is located in the top surface of the top plate.

Furthermore, the lifting ring middle position integral type is connected with lets the position ring, and lets the position encircle the handle bolt and lie in the handle bolt outside.

Furthermore, the inside sliding connection that runs through of slider has the slide bar, and the slide bar both ends respectively with spout inner wall fixed connection.

Furthermore, the bottom plate top surface and the top plate bottom surface support are provided with springs, and two ends of each spring are fixedly connected with the bottom plate and the top plate respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a bottom sprag mechanism for jack possesses following beneficial effect:

(1) the utility model discloses a handle bolt, the slider, wedge roof and bottom plate, arrange this device in the jack below, the accessible is rotated the handle bolt and is driven the slider and rotate in the spout is inside, the slider removes the wedge that drives the slide wedge contact with it and rises or descend, thereby accomplish the angle change of roof top surface, can utilize triangle leveling principle leveling roof through rotating three handle bolt, leveling convenient and fast, and simultaneously, wedge and slider adopt the metal to make, it is more withstand voltage, be fit for the jack and use, behind the roof level, make the jack that is located the roof top surface be in the vertical state, thereby make the jack atress more scientific and stable, the jack steady operation of being convenient for, the problem of leading to jack lift to reduce because of the angle slope has been avoided, the work safety of jack has been protected.

(2) The utility model discloses a I-shaped wheel and bail, the I-shaped wheel welding is at the bottom plate both ends, and the bail both ends are cup jointed at the I-shaped wheel binder surface, make the bail rotate with the I-shaped wheel and be connected, and the staff can carry this device away by portable bail, and this device of being convenient for removes, and it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a bottom support mechanism for a jack according to the present invention;

fig. 2 is a top view of a bottom plate of a bottom support mechanism for a jack according to the present invention;

fig. 3 is a sectional view of the bottom support mechanism for a jack according to the present invention.

In the figure:

1. a top plate; 2. a handle bolt; 3. a placement groove; 4. a spool; 5. lifting a ring; 6. a carry ring; 7. a circular level; 8. a base plate; 9. a slide bar; 10. a slider; 11. a chute; 12. a rotating seat; 13. rotating the circular plate; 14. a wedge block; 15. a spring.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a bottom sprag mechanism for jack.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a bottom support mechanism for a jack according to an embodiment of the present invention comprises a bottom plate 8 and a top plate 1, a sliding groove 11 is formed on the top surface of the bottom plate 8, a sliding block 10 is slidably connected inside the sliding groove 11, the top surface of the sliding block 10 is a slanted top, the top surface of the sliding block 10 is a smooth structure, a handle bolt 2 is installed inside the sliding groove 11, the handle bolt 2 penetrates through the sliding block 10 and is in threaded connection with the sliding block 10, the handle bolt 2 rotates to drive the sliding block 10 to move, one end of the handle bolt 2 penetrates through the bottom plate 8 and extends to the outside of the bottom plate 8, so as to facilitate the rotation of a worker, a rotating seat 12 is fixedly welded on the inner wall of the sliding groove 11, a rotating circular plate 13 is rotatably connected inside the rotating seat 12, the rotating seat 12 is a hollow, the handle bolt 2 is limited by the rotating seat 12 to move, the handle bolt 2 is ensured to rotate normally, the handle bolt 2 is connected with the rotating seat 12 in a rotating mode, a hole for the handle bolt 2 to penetrate through is formed in the surface of one side of the rotating seat 12, the handle bolt 2 is convenient to weld with the rotating circular plate 13, the top surface of the bottom plate 8 is provided with the top plate 1, the bottom surface of the top plate 1 is welded with the wedge block 14, the bottom surface of the wedge block 14 is in sliding fit with the top surface of the sliding block 10, the peripheral surface of the wedge block 14 is in sliding butt joint with the inner wall of the sliding groove 11, the number of the handle bolts 2 is three, the handle bolts 2 are distributed in an equal angle mode relative to the circle center of the bottom plate 8, the device is arranged below the jack, the sliding block 10 can be driven to rotate inside the sliding groove 11 by rotating the handle bolt 2, the sliding block 10 moves to drive the, leveling is convenient and fast, simultaneously, the wedge-shaped block 14 and the sliding block 10 are made of metal, are more pressure-resistant and are suitable for being used by a jack, and after the top plate 1 is horizontal, the jack positioned on the top surface of the top plate 1 is in a vertical state, so that the stress of the jack is more scientific and stable, the jack can stably work conveniently, the problem that the lifting force of the jack is reduced due to the inclination of an angle is avoided, and the working safety of the jack is protected.

In one embodiment, the spools 4 are welded at the edges of the two ends of the bottom plate 8, the bellies of the spools 4 are rotatably sleeved with the lifting rings 5, the lifting rings 5 are made of metal materials, deformation is reduced, the common structure is adopted, the spools 4 are welded at the two ends of the bottom plate 8, the two ends of the lifting rings 5 are sleeved on the surfaces of the bellies of the spools 4, the lifting rings 5 are rotatably connected with the spools 4, an operator can lift the device away by lifting the lifting rings 5, the device is convenient to move, and the device is more convenient to use.

In an embodiment, standing groove 3 has been seted up to roof 1 top surface for place the jack, make the jack place between two parties, avoid eccentric pressurized, and 3 one side of standing groove is located 1 top surface embedding of roof and has a round level 7, and the adjustment of being convenient for is observed at ordinary times, for common structure, and application method does not do too much and gives unnecessary details.

In one embodiment, the middle position of the lifting ring 5 is integrally connected with a yielding ring 6, the yielding ring 6 bypasses the handle bolt 2 and is positioned outside the handle bolt 2, and the handle bolt 2 is prevented from being contacted, so that the handle bolt 2 is not influenced by workers.

In one embodiment, a sliding rod 9 is slidably connected inside the sliding block 10, and two ends of the sliding rod 9 are fixedly connected with the inner wall of the sliding groove 11 respectively, and the sliding rod 9 provides guidance for the sliding block 10 and prevents the handle bolt 2 from driving the sliding block 10 to rotate together when rotating.

In one embodiment, the top surface of the bottom plate 8 and the bottom surface of the top plate 1 are provided with springs 15, and two ends of the springs 15 are fixedly connected with the bottom plate 8 and the top plate 1 respectively, so as to play a role of elastic connection and avoid the top plate 1 from falling off when moving.

The working principle is as follows:

the device is arranged below a jack, a sliding block 10 can be driven to rotate in a sliding groove 11 by rotating a handle bolt 2, the sliding block 10 moves to drive a wedge block 14 in contact with a wedge to ascend or descend so as to complete the angle change of the top surface of a top plate 1, the top plate 1 can be leveled by utilizing the triangular leveling principle by rotating three handle bolts 2, the leveling is convenient and rapid, meanwhile, the wedge block 14 and the sliding block 10 are made of metal and are more pressure-resistant and suitable for the jack to use, after the top plate 1 is leveled, the jack on the top surface of the top plate 1 is in a vertical state, so that the jack is more scientifically and stably stressed, the jack can stably work conveniently, the problem that the lifting force of the jack is reduced due to the inclination of the angle is avoided, the working safety of the jack is protected, meanwhile, I-shaped wheels 4 are welded at two ends of a bottom plate 8, two ends of a lifting, the lifting ring 5 is rotatably connected with the spool 4, and a worker can lift the device away by lifting the lifting ring 5, so that the device is convenient to move and more convenient to use.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The bottom supporting mechanism for the jack is characterized by comprising a bottom plate (8) and a top plate (1), wherein a sliding groove (11) is formed in the top surface of the bottom plate (8), a sliding block (10) is connected to the inside of the sliding groove (11) in a sliding mode, a handle bolt (2) is installed inside the sliding groove (11), the handle bolt (2) penetrates through the sliding block (10) and is in threaded connection with the sliding block (10), one end of the handle bolt (2) penetrates through the bottom plate (8) and extends to the outer side of the bottom plate (8), a rotating seat (12) is fixedly welded to the inner wall of the sliding groove (11), a rotating circular plate (13) is rotatably connected to the inside of the rotating seat (12), the handle bolt (2) penetrates through the rotating seat (12) and is fixedly welded with the rotating circular plate (13), the handle bolt (2) is rotatably connected with the rotating seat (12), the top surface of, and the bottom surface of the top plate (1) is welded with a wedge block (14), the bottom surface of the wedge block (14) is in sliding fit with the top surface of the sliding block (10), the number of the handle bolts (2) is three, and the handle bolts (2) are distributed in an equal angle mode about the circle center of the bottom plate (8).

2. The bottom supporting mechanism for the jack according to claim 1, wherein the spool (4) is welded to the edges of the two ends of the bottom plate (8), the lifting ring (5) is rotatably sleeved at the web column of the spool (4), and the lifting ring (5) is made of metal.

3. The bottom supporting mechanism for a jack according to claim 1, wherein a placing groove (3) is formed in the top surface of the top plate (1), and a circular level (7) is embedded in the top surface of the top plate (1) on one side of the placing groove (3).

4. A bottom bracing mechanism for a jack according to claim 2, wherein a relief ring (6) is integrally connected to the middle of the lifting ring (5), and the relief ring (6) bypasses the handle bolt (2) and is located outside the handle bolt (2).

5. The bottom supporting mechanism for a jack according to claim 1, wherein a sliding rod (9) is slidably connected inside the sliding block (10), and two ends of the sliding rod (9) are respectively fixedly connected with the inner wall of the sliding groove (11).

6. A bottom bracing mechanism for a jack according to claim 1, wherein the top surface of the bottom plate (8) and the bottom surface of the top plate (1) are provided with springs (15), and two ends of the spring (15) are respectively fixedly connected with the bottom plate (8) and the top plate (1).