CN220449673U

CN220449673U - Jack

Info

Publication number: CN220449673U
Application number: CN202321874327.2U
Authority: CN
Inventors: 罗安
Original assignee: Zhejiang Hongyu Hoisting Machinery Co ltd
Current assignee: Zhejiang Hongyu Hoisting Machinery Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-02-06
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a jack, and relates to the technical field of hoisting equipment; the lifting assembly comprises a base, wherein one end of the toothed plate is fixedly arranged on the base, the lifting plate is movably sleeved on the outer side of the toothed plate, the top end of the lifting plate and the bottom end of the lifting plate are fixedly provided with lifting parts, a first rotating shaft is rotatably arranged in the lifting plate, and a first gear is fixedly sleeved on the outer side of the first rotating shaft; the first gear is driven to rotate through the second gear, the first gear moves on the toothed plate, the lifting plate moves upwards along the toothed plate, the lifting plate drives the lifting part to lift the automobile, so that the automobile can be conveniently lifted, and the condition that the structure is exposed and easy to rust can be avoided through the lifting plate and the protective cover; the ratchet wheel is driven to rotate positively through the second rotating shaft, the locking plate moves out of the tooth groove of the ratchet wheel, and one end of the torsion spring drives the locking plate to be kept in the tooth groove of the ratchet wheel through elasticity, so that the situation that the ratchet wheel turns over can be avoided.

Description

Jack

Technical Field

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

Background

With the high-speed development of modern economy, automobiles gradually enter the life of ordinary residents, and automobile jacks are one of the indispensable important auxiliary tools on automobiles, which means that users put higher demands on the performances of the jacks, such as materials, quality, appearance, convenience, safety and stability in use and the like. Today, many manufacturers have developed and innovated for many years and studied in the market to design various types of jack series products capable of meeting various requirements, and the jack series products can be roughly classified into four types of rack jacks, screw jacks, hydraulic jacks and scissor jacks.

The prior general jack is to control lifting of the jack by rotating a control screw rod, and the screw rod is exposed outside, is extremely easy to oxidize and rust, affects normal work and has a short service life.

Disclosure of Invention

In order to solve the problem that the screw is exposed to the outside and is easy to oxidize and rust to influence the normal work; the utility model aims to provide a jack.

In order to solve the technical problems, the utility model adopts the following technical scheme: the jack comprises a base, wherein a jacking component is fixedly arranged on the base, a protective cover is arranged on the outer side of the jacking component, a locking component is movably arranged on the outer side of the protective cover, and a crank component is arranged on the jacking component; the lifting assembly comprises a toothed plate and a lifting plate, one end of the toothed plate is fixedly arranged on a base, the lifting plate is movably sleeved on the outer side of the toothed plate, lifting parts are fixedly arranged at the top end of the lifting plate and the bottom end of the lifting plate, a first rotating shaft is installed in the lifting plate in a rotating mode, a first gear is fixedly sleeved on the outer side of the first rotating shaft, the outer side of the first gear is meshed with the toothed plate, the first gear is driven to rotate through a second gear, the first gear moves on the toothed plate, the lifting plate moves upwards along the toothed plate, the lifting plate drives the lifting parts to lift an automobile, and accordingly the automobile can be conveniently lifted, and the situation that the structure is easy to rust due to exposure can be avoided through the lifting plate and a protective cover.

Preferably, the outside activity of protection casing is run through there is the second pivot, the one end of second pivot is rotated and is installed the inside at the jacking board, locking component includes the ratchet, the one end at the second pivot is established to the fixed cover of ratchet, one side rotation that the jacking board was kept away from to the protection casing is installed the third pivot, the fixed locking plate that is equipped with in the outside of third pivot, the one end card that the third pivot was kept away from to the locking plate is established in the tooth's socket of ratchet, the outside movable cover of third pivot is equipped with the torsional spring, the both ends of torsional spring respectively with one side of locking plate with the outside fixed connection of protection casing drives ratchet forward rotation through the second pivot for the tooth's socket of ratchet is shifted out to the torsional spring, and the one end of locking plate is in keeping in the tooth's socket of ratchet to the spring through elasticity drive, just so can avoid the ratchet to appear the condition of upset, the locking plate is L shape structure, the one end that the locking plate is close to the ratchet is barb structure, and L shape structure can conveniently be manually relieved the locking to the ratchet, and the barb structure can conveniently lock the ratchet.

Preferably, the crank assembly comprises a crank main body and a toothed ring, the toothed ring is fixedly sleeved with the outer side of a second rotating shaft, one end of the crank main body is movably sleeved with the outer side of the toothed ring, the crank main body is movably penetrated with a inserted rod, the top end of the inserted rod is inserted into a tooth groove of the toothed ring, the inserted rod can synchronously rotate the crank main body and the toothed ring, the crank main body can conveniently rotate the second rotating shaft, a fixed block is fixedly arranged on the outer side of the crank main body, the bottom end of the inserted rod movably penetrates through the fixed block, a through hole which is distributed side by side is formed in the outer side of the inserted rod, a locating pin is located above the fixed block, the locating pin is taken out from the through hole, the inserted rod is moved out from the fixed block, so that the top end of the inserted rod can be removed from the toothed ring, a groove is formed in the outer side of the crank main body, a locating block is movably clamped in the groove, the inner side of the tooth groove and the outer side of the toothed groove are fixedly provided with a fixed block, the two tooth grooves are respectively, and the two arc-shaped gaskets can be conveniently rotated and fixedly arranged on the two arc-shaped gaskets and the two arc-shaped gaskets can be conveniently rotated and fixedly arranged between the crank main bodies and the arc-shaped nut.

Preferably, the outer side of the first gear is meshed with a second gear, the second gear is fixedly sleeved on the outer side of the second rotating shaft, and the second gear can conveniently drive the first gear to rotate.

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

1. the first gear is driven to rotate through the second gear, the first gear moves on the toothed plate, the lifting plate moves upwards along the toothed plate, the lifting plate drives the lifting part to lift the automobile, so that the automobile can be conveniently lifted, and the condition that the structure is exposed and easy to rust can be avoided through the lifting plate and the protective cover;

2. the ratchet wheel is driven to rotate forward through the second rotating shaft, so that the locking plate moves out of the tooth groove of the ratchet wheel, and one end of the torsion spring drives the locking plate to be kept in the tooth groove of the ratchet wheel through elasticity, so that the situation that the ratchet wheel turns over can be avoided;

3. through removing the inserted bar from the fixed block for the top of inserted bar is removed from the ring gear tooth's socket, and the epaxial nut of second pivot is taken off again, and takes off the packing ring, just so can conveniently dismantle the crank main part.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is an expanded view of the structure of the jacking assembly according to the present utility model.

FIG. 3 is an expanded view of the locking assembly of the present utility model.

In the figure: 1. a base; 2. a jacking assembly; 21. a toothed plate; 22. a jacking plate; 23. a jacking portion; 24. a first rotating shaft; 25. a first gear; 26. a second gear; 27. a second rotating shaft; 3. a protective cover; 4. a locking assembly; 41. a third rotating shaft; 42. a ratchet wheel; 43. a locking plate; 44. a torsion spring; 5. a crank assembly; 51. a crank body; 52. a toothed ring; 53. a rod; 54. a fixed block; 55. a through hole; 56. a positioning pin; 57. a groove; 58. a gasket; 59. and (5) an arc-shaped positioning block.

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.

Examples: as shown in fig. 1-3, the present utility model provides a technical solution: the jack comprises a base 1, wherein a jacking component 2 is fixedly arranged on the base 1, a protective cover 3 is arranged on the outer side of the jacking component 2, a locking component 4 is movably arranged on the outer side of the protective cover 3, and a crank component 5 is arranged on the jacking component 2; the jacking component 2 comprises a toothed plate 21 and a jacking plate 22, one end of the toothed plate 21 is fixedly arranged on the base 1, the jacking plate 22 is movably sleeved on the outer side of the toothed plate 21, the top end of the jacking plate 22 and the bottom end of the jacking plate 22 are fixedly provided with jacking parts 23, a first rotating shaft 24 is rotatably arranged in the jacking plate 22, a first gear 25 is fixedly sleeved on the outer side of the first rotating shaft 24, the outer side of the first gear 25 is meshed with the toothed plate 21, the first gear 25 is driven to rotate through a second gear 26, the first gear 25 moves on the toothed plate 21, the jacking plate 22 moves upwards along the toothed plate 21, the jacking parts 23 are driven to jack up an automobile, and thus the automobile can be conveniently jacked, and the condition that the structure is easy to rust can be avoided through the jacking plate 22 and the protective cover 3.

The outside activity of protection casing 3 has run through second pivot 27, the one end rotation of second pivot 27 is installed in the inside of jacking board 22, locking Assembly 4 includes ratchet 42, the fixed cover of ratchet 42 is established in the one end of second pivot 27, one side rotation that jacking board 22 was kept away from to protection casing 3 is installed third pivot 41, the outside of third pivot 41 is fixed to be equipped with locking plate 43, one end card that third pivot 41 was kept away from to locking plate 43 is established in ratchet 42's tooth's socket, the outside movable cover of third pivot 41 is equipped with torsional spring 44, the both ends of torsional spring 44 respectively with one side of locking plate 43 and the outside fixed connection of protection casing 3.

Through adopting above-mentioned technical scheme, drive ratchet 42 forward rotation through second pivot 27 for locking plate 43 shifts out the tooth's socket of ratchet 42, and torsion spring 44 drives the one end of locking plate 43 through elasticity and keeps in the tooth's socket of ratchet 42 really, just so can avoid ratchet 42 to appear the condition of upset.

The crank assembly 5 comprises a crank main body 51 and a toothed ring 52, the toothed ring 52 is fixedly sleeved with the outer side of the second rotating shaft 27, one end of the crank main body 51 is movably sleeved with the outer side of the toothed ring 52, a inserted rod 53 movably penetrates through the crank main body 51, and the top end of the inserted rod 53 is inserted into a tooth slot of the toothed ring 52.

By adopting the above technical scheme, the inserted link 53 can rotate the crank main body 51 and the toothed ring 52 synchronously, and the crank main body 51 can conveniently rotate the second rotating shaft 27.

The outer side of the first gear 25 is meshed with a second gear 26, and the second gear 26 is fixedly sleeved on the outer side of a second rotating shaft 27.

By adopting the technical scheme, the second gear 26 can conveniently drive the first gear 25 to rotate.

The outside of crank main part 51 is fixed and is equipped with fixed block 54, and the bottom activity of inserted bar 53 runs through fixed block 54, and the through-hole 55 that distributes side by side is offered to the outside of inserted bar 53, and the inside activity of one of them through-hole 55 runs through there is locating pin 56, and locating pin 56 is located the top of fixed block 54.

Through adopting above-mentioned technical scheme, take out locating pin 56 from through-hole 55, remove the inserted bar 53 from fixed block 54 again for the top of inserted bar 53 removes from the tooth's socket of ring gear 52, just so can remove.

The outer side of the crank main body 51 is provided with a groove 57, a gasket 58 is movably clamped in the groove 57, arc-shaped positioning blocks 59 are fixedly arranged on the inner side of the toothed ring 52 and the outer side of the gasket 58, and the two arc-shaped positioning blocks 59 are distributed in a staggered mode.

By adopting the technical scheme, the groove 57 can be used for conveniently installing the gasket 58, and the arc-shaped positioning block 59 can prevent the gasket 58 from rotating with the toothed ring 52.

The locking plate 43 has an L-shaped structure, and one end of the locking plate 43, which is close to the ratchet wheel 42, has a barb structure.

By adopting the technical scheme, the L-shaped structure can conveniently and manually unlock the ratchet wheel 42, and the barb structure can conveniently unlock the ratchet wheel 42.

The toothed ring 52, the crank body 51 and the washer 58 are fastened to the second rotation shaft 27 by a nut lock.

By adopting the technical scheme, the toothed ring 52, the crank main body 51 and the gasket 58 can be locked by the nuts to facilitate the rotation of the second rotating shaft 27.

Working principle: firstly, the device is moved to be used, one jacking part 23 is attached to the jacking position of the automobile, then the crank main body 51 is rotated, the crank main body 51 drives the second rotating shaft 27 to rotate, the second rotating shaft 27 drives the second gear 26 to rotate, the second gear 26 drives the first gear 25 to rotate, the first gear 25 can be kept stable in rotation through the first rotating shaft 24, the first gear 25 moves on the toothed plate 21, the jacking plate 22 moves upwards along the toothed plate 21, the jacking plate 22 drives the jacking part 23 to jack the automobile, the automobile can be conveniently jacked, the condition that the structure is exposed and easy to rust can be avoided through the jacking plate 22 and the protective cover 3, meanwhile, the second rotating shaft 27 drives the ratchet wheel 42 to rotate positively, the torsion spring 44 drives one end of the locking plate 43 to be kept in the tooth groove of the ratchet wheel 42 through elasticity, and thus the condition that the ratchet wheel 42 is overturned can be avoided;

after the use is finished, the positioning pin 56 is firstly taken out from the through hole 55, then the inserted link 53 is moved out from the fixed block 54, the top end of the inserted link 53 is moved out from the tooth socket of the toothed ring 52, the nut on the second rotating shaft 27 is taken down, and the gasket 58 is taken down, so that the crank main body 51 can be conveniently detached, and the aim of convenient detachment is fulfilled.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A jack, comprising a base (1), characterized in that: the lifting device is characterized in that a jacking component (2) is fixedly arranged on the base (1), a protective cover (3) is arranged on the outer side of the jacking component (2), a locking component (4) is movably arranged on the outer side of the protective cover (3), and a crank component (5) is arranged on the jacking component (2);

the lifting assembly (2) comprises a toothed plate (21) and a lifting plate (22), one end of the toothed plate (21) is fixedly mounted on the base (1), the lifting plate (22) is movably sleeved on the outer side of the toothed plate (21), lifting parts (23) are fixedly arranged at the top end of the lifting plate (22) and the bottom end of the lifting plate (22), a first rotating shaft (24) is mounted in the lifting plate (22) in a rotating manner, a first gear (25) is fixedly sleeved on the outer side of the first rotating shaft (24), and the outer side of the first gear (25) is meshed with the toothed plate (21).

2. A jack as claimed in claim 1 wherein the outer side of the shield (3) is movably penetrated by a second rotating shaft (27), one end of the second rotating shaft (27) is rotatably mounted in the jacking plate (22), the locking assembly (4) comprises a ratchet wheel (42), the ratchet wheel (42) is fixedly sleeved at one end of the second rotating shaft (27), one side of the shield (3) away from the jacking plate (22) is rotatably mounted with a third rotating shaft (41), the outer side of the third rotating shaft (41) is fixedly provided with a locking plate (43), one end of the locking plate (43) away from the third rotating shaft (41) is clamped in a tooth slot of the ratchet wheel (42), the outer side of the third rotating shaft (41) is movably sleeved with a torsion spring (44), and two ends of the torsion spring (44) are fixedly connected with one side of the locking plate (43) and the outer side of the shield (3) respectively.

3. A jack as claimed in claim 2 wherein the crank assembly (5) comprises a crank body (51) and a toothed ring (52), the toothed ring (52) is fixedly sleeved with the outer side of the second rotary shaft (27), one end of the crank body (51) is movably sleeved with the outer side of the toothed ring (52), the crank body (51) is movably penetrated with an inserting rod (53), and the top end of the inserting rod (53) is inserted into a tooth slot of the toothed ring (52).

4. A jack as claimed in claim 2 wherein the outer side of the first gear (25) is engaged with a second gear (26), the fixed sleeve of the second gear (26) being provided on the outer side of the second shaft (27).

5. A jack as claimed in claim 3 wherein a fixed block (54) is fixedly arranged on the outer side of the crank body (51), the bottom end of the insert rod (53) movably penetrates through the fixed block (54), through holes (55) distributed side by side are formed in the outer side of the insert rod (53), a locating pin (56) movably penetrates through the inner side of one through hole (55), and the locating pin (56) is located above the fixed block (54).

6. A jack as claimed in claim 3 wherein the outer side of the crank body (51) is provided with a recess (57), a gasket (58) is movably clamped in the recess (57), arc-shaped positioning blocks (59) are fixedly arranged on the inner side of the toothed ring (52) and the outer side of the gasket (58), and the two arc-shaped positioning blocks (59) are distributed in a staggered manner.

7. A jack as claimed in claim 2 wherein the locking plate (43) is of L-shaped configuration, the end of the locking plate (43) adjacent the ratchet wheel (42) being of barbed configuration.

8. A jack as claimed in claim 6 wherein the toothed ring (52), crank body (51) and washer (58) are secured to the second shaft (27) by a nut lock.