CN212356380U

CN212356380U - Jack with safety protection mechanism

Info

Publication number: CN212356380U
Application number: CN202020509207.2U
Authority: CN
Inventors: 倪子凡
Original assignee: Haiyan Huading Tools Co ltd
Current assignee: Haiyan Huading Tools Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-15
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a jack with safety protection mechanism, including jack main base, the inboard bottom of jack main base is provided with the regulating plate, the inboard of jack main base is rotated through the pivot and is connected with the lift body frame, the one end of jack main base is provided with operating handle, the inboard of lift body frame is provided with hydraulic cylinder, lift body frame one side is connected with the fender rod, the lower extreme of fender rod is rotated through the pivot and is connected with the backup pad, the lower surface of backup pad is provided with the support inserted block; the utility model discloses a fender rod and regulating plate of design move the lift body frame through the hydraulic cylinder top and rotate when supporting, make the fender rod drive the backup pad and remove to insert through supporting the inserted block and support the inslot to the lift body frame auxiliary stay, and can support the protection through the fender rod when the lift body frame that breaks down suddenly descends at hydraulic cylinder, and cushion through buffer spring's elasticity, reduce the phenomenon that appears danger.

Description

Jack with safety protection mechanism

Technical Field

The utility model relates to a jack technical field specifically is jack with safety protection mechanism.

Background

The horizontal jack is light and small lifting equipment which uses a rigid lifting piece as a working device and lifts a heavy object in a small stroke through a top bracket. The horizontal jack is an important hydraulic element widely applied to load-carrying vehicles or mobile equipment for supporting the dead weight of the equipment and adjusting the level of the equipment, and is mainly used in the departments of factories, mines, transportation and the like as the work of vehicle repair, other hoisting, supporting and the like.

The existing jack supports and lifts a heavy object when in use, and the phenomenon that the support is unstable and falls off can occur in long-term use, so that the jack is dangerous when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jack with safety protection mechanism has solved current jack and has supported the lift to the heavy object when using, can appear damaging the phenomenon that the support unstability dropped in long-term the use, leads to the jack dangerous problem to appear when using.

In order to achieve the above object, the utility model provides a following technical scheme: jack with safety protection mechanism, including the jack main tributary seat, the inboard bottom of jack main tributary seat is provided with the regulating plate, the inboard of jack main tributary seat is rotated through the pivot and is connected with the lift body frame, the one end of jack main tributary seat is provided with operating handle, the inboard of lift body frame is provided with hydraulic cylinder, lift body frame one side is connected with the fender rod, the lower extreme of fender rod is rotated through the pivot and is connected with the backup pad, the lower surface of backup pad is provided with supports the inserted block, the upper surface of regulating plate is provided with supports the groove, and supports the inserted block and insert and support the inslot.

Preferably, the protection rod comprises a sliding rod and a fixed rod, a buffer spring is arranged in one end of the fixed rod, a sliding plate is arranged at one end of the buffer spring, the sliding plate is slidably mounted on the inner side of the fixed rod, and the lower end of the sliding rod is inserted into the fixed rod and fixedly connected with the sliding plate.

Preferably, the one end inboard of jack main seat is connected with accommodate the lead screw through the bearing rotation, one side of jack main seat is provided with the runner, runner and accommodate the lead screw's one end fixed connection, accommodate the lead screw's the outside is provided with screw-nut, one side of screw-nut is rotated through the pivot and is connected with the bracing piece, the lower extreme of bracing piece is provided with the regulation slide, the lower surface of adjusting the slide is connected with the regulating wheel, the one end lower surface of jack main seat is provided with the supporting pad.

Preferably, the two ends of the adjusting sliding plate are connected with supporting rods, and the screw rod nuts arranged at one ends of the two supporting rods are symmetrically arranged on the adjusting screw rod.

Preferably, one end of the jack main seat is provided with a front moving wheel, and the lower surface of the front moving wheel and the lower surface of the supporting pad are in the same plane.

Preferably, the upper surface of one end of the lifting main frame is provided with a lifting pad, and the upper side of the lifting pad is provided with a connecting groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a fender rod and regulating plate of design move the lift body frame through the hydraulic cylinder top and rotate when supporting, make the fender rod drive the backup pad and remove to insert through supporting the inserted block and support the inslot to the lift body frame auxiliary stay, and can support the protection through the fender rod when the lift body frame that breaks down suddenly descends at hydraulic cylinder, and cushion through buffer spring's elasticity, reduce the phenomenon that appears danger.

2. The utility model discloses a accommodate the lead screw, screw-nut, bracing piece and regulation slide of design drive screw-nut and bracing piece through rotating accommodate the lead screw and remove to the top is moved and is adjusted the slide and slide the position of sliding to the regulating wheel from top to bottom and is adjusted, ejecting regulating wheel when removing the jack, through the rotation removal of antedisplacement driving wheel and regulating wheel, pack up the regulating wheel during use and make the supporting pad support subaerial friction enhancement, thereby it is more stable to make the jack place, prevent the phenomenon that the appearance rocked when using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the adjusting wheel connection structure of the present invention;

FIG. 3 is a schematic view of the installation structure of the protection rod of the present invention;

fig. 4 is a schematic view of the sectional structure of the protection rod of the present invention.

In the figure: 1. a jack main seat; 2. moving the driving wheel forwards; 3. a lifting pad; 4. lifting the main frame; 5. an operating handle; 6. a rotating wheel; 7. an adjustment wheel; 8. adjusting the screw rod; 9. a feed screw nut; 10. a support bar; 11. adjusting the sliding plate; 12. a support pad; 13. a lifting hydraulic cylinder; 14. a guard bar; 15. an adjusting plate; 16. a support groove; 17. a support plate; 18. supporting the insert block; 19. a slide bar; 20. a sliding plate; 21. a buffer spring; 22. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, a jack with a safety protection mechanism includes a main jack base 1, an adjusting plate 15 is disposed at the bottom of the inner side of the main jack base 1, a lifting main frame 4 is rotatably connected to the inner side of the main jack base 1 through a rotating shaft, an operating handle 5 is disposed at one end of the main jack base 1, a lifting hydraulic cylinder 13 is disposed at the inner side of the lifting main frame 4, a protection rod 14 is connected to one side of the lifting main frame 4, a support plate 17 is rotatably connected to the lower end of the protection rod 14 through a rotating shaft, a support insert block 18 is disposed on the lower surface of the support plate 17, a support groove 16 is disposed on the upper surface of the adjusting plate 15, the support insert block 18 is inserted into the support groove 16, when the lifting main frame 4 is rotated by the lifting hydraulic cylinder 13, the support plate 17 at the lower end of the protection rod 14 is driven to rotate along with the lifting main frame 4, and then the support insert block 18 at one side of, the main lifting frame 4 is prevented from directly falling and causing danger when the lifting hydraulic cylinder 13 breaks down.

Referring to fig. 4, the protection rod 14 includes a sliding rod 19 and a fixing rod 22, a buffer spring 21 is disposed inside one end of the fixing rod 22, a sliding plate 20 is disposed at one end of the buffer spring 21, the sliding plate 20 is slidably mounted inside the fixing rod 22, a lower end of the sliding rod 19 is inserted into the fixing rod 22 and fixedly connected to the sliding plate 20, and when the protection rod 14 is stressed, the sliding rod 19 drives the sliding plate 20 to compress the buffer spring 21, and the buffer is buffered by an elastic force of the buffer spring 21.

Referring to fig. 1-2, an adjusting screw 8 is rotatably connected to an inner side of one end of a main jack base 1 through a bearing, a rotating wheel 6 is disposed on one side of the main jack base 1, the rotating wheel 6 is fixedly connected to one end of the adjusting screw 8, a screw nut 9 is disposed on an outer side of the adjusting screw 8, a support rod 10 is rotatably connected to one side of the screw nut 9 through a rotating shaft, an adjusting slide plate 11 is disposed at a lower end of the support rod 10, an adjusting wheel 7 is connected to a lower surface of the adjusting slide plate 11, a support pad 12 is disposed on a lower surface of one end of the main jack base 1, the adjusting screw 8 is driven to rotate by rotating the rotating wheel 6 when in use, the screw nut 9 moves on the adjusting screw 8 to drive an upper end of the support rod 10 to move, and thus the.

Referring to fig. 2, the two ends of the adjusting slide plate 11 are connected to support rods 10, and the lead screw nuts 9 disposed at one end of the two support rods 10 are symmetrically disposed on the adjusting lead screw 8, so that the support rods 10 are more stable when the adjusting slide plate 11 is pushed to move.

Referring to fig. 2, a front moving wheel 2 is disposed at one end of a main base 1 of the jack, and a lower surface of the front moving wheel 2 and a lower surface of a supporting pad 12 are in the same plane, so that the jack can be supported by the front moving wheel 2 and the supporting pad 12.

Referring to fig. 1 and 3, a lifting pad 3 is disposed on an upper surface of one end of the lifting main frame 4, and a connecting groove is disposed on an upper side of the lifting pad 3, so that the lifting main frame 4 can be conveniently connected to a heavy object through the lifting pad 3.

The working principle is as follows: when the jack is moved, the adjusting screw rod 8 is driven to rotate by rotating the rotating wheel 6, so that the screw rod nut 9 moves on the adjusting screw rod 8 to drive the upper end of the supporting rod 10 to move, so that the lower end of the supporting rod 10 drives the adjusting slide plate 11 to slide downwards to drive the adjusting wheel 7 to eject out of the main jack seat 1, then the jack is pushed to move by the adjusting wheel 7 and the front moving wheel 2, when the jack is moved to the use position, the rotating wheel 6 is rotated reversely to drive the adjusting wheel 7 to be retracted into the main base 1 of the jack, so that the supporting pad 12 is supported on the ground, the shaking of the jack during use is reduced by the supporting pad 12, when the lifting main frame 4 is jacked to rotate by the lifting hydraulic cylinder 13, the protective rod 14 rotates along with the lifting main frame 4, then the supporting insert 18 on one side of the supporting plate 17 is inserted into the supporting groove 16 to assist in supporting the lifting main frame 4 for protection, so that the lifting main frame 4 is prevented from directly falling to cause danger when the lifting hydraulic cylinder 13 fails.

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

Claims

1. Jack with safety protection mechanism, including jack main tributary seat (1), its characterized in that: the inboard bottom of jack main seat (1) is provided with regulating plate (15), the inboard of jack main seat (1) is rotated through the pivot and is connected with lift body frame (4), the one end of jack main seat (1) is provided with operating handle (5), the inboard of lift body frame (4) is provided with hydraulic cylinder (13), lift body frame (4) one side is connected with fender rod (14), the lower extreme of fender rod (14) is rotated through the pivot and is connected with backup pad (17), the lower surface of backup pad (17) is provided with supports inserted block (18), the upper surface of regulating plate (15) is provided with supports groove (16), and supports inserted block (18) and insert in supporting groove (16).

2. The jack with safety shield mechanism of claim 1, wherein: the protection rod (14) comprises a sliding rod (19) and a fixed rod (22), a buffer spring (21) is arranged inside one end of the fixed rod (22), a sliding plate (20) is arranged at one end of the buffer spring (21), the sliding plate (20) is slidably mounted on the inner side of the fixed rod (22), and the lower end of the sliding rod (19) is inserted into the fixed rod (22) and fixedly connected with the sliding plate (20).

3. The jack with safety shield mechanism of claim 1, wherein: the one end inboard of jack main base (1) is connected with accommodate the lead screw (8) through the bearing rotation, one side of jack main base (1) is provided with runner (6), the one end fixed connection of runner (6) and accommodate the lead screw (8), the outside of accommodate the lead screw (8) is provided with screw-nut (9), one side of screw-nut (9) is rotated through the pivot and is connected with bracing piece (10), the lower extreme of bracing piece (10) is provided with adjusts slide (11), the lower surface of adjusting slide (11) is connected with regulating wheel (7), the one end lower surface of jack main base (1) is provided with supporting pad (12).

4. A jack with safety shield mechanism as claimed in claim 3, wherein: the two ends of the adjusting sliding plate (11) are connected with supporting rods (10), and lead screw nuts (9) arranged at one ends of the two supporting rods (10) are symmetrically arranged on the adjusting lead screw (8).

5. A jack with safety shield mechanism as claimed in claim 3, wherein: one end of the jack main seat (1) is provided with a front moving wheel (2), and the lower surface of the front moving wheel (2) and the lower surface of the supporting pad (12) are in the same plane.

6. The jack with safety shield mechanism of claim 1, wherein: the lifting main frame is characterized in that a lifting pad (3) is arranged on the upper surface of one end of the lifting main frame (4), and a connecting groove is formed in the upper side of the lifting pad (3).