CN216836916U

CN216836916U - Hand jack that facilitates use

Info

Publication number: CN216836916U
Application number: CN202220095024.XU
Authority: CN
Inventors: 范锡源; 胡瑞洪; 罗安; 沈金龙
Original assignee: Zhejiang Hongyu Hoisting Machinery Co ltd
Current assignee: Zhejiang Hongyu Hoisting Machinery Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-28
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a hand jack convenient to use belongs to jack technical field, former jack is oil pressure type, after long-term use, oil leakage easily appears to lead to jack automatic falling phenomenon, and jack can't control descending height and speed, lead to being difficult to accomplish height free control when maintaining, supporting and rising heavy-duty piece, including the shell, the shell surface is fixedly connected with the mounting panel, the mounting panel outside is fixedly installed with power component, slidable mounting has ejector pin subassembly in the shell, through base fixed ground, the slide bar drives the fore-set to reciprocate, thereby reach the support effect, be convenient for realize the support height of jack fast through hand; the handle sleeve drives the handle to rotate, the ratchet wheel is rotated through the first rotating shaft, and then the large gear is driven to rotate through the small gear, so that the sliding rod is driven to move, transmission is more stable through the arrangement of the first five teeth, and impact is avoided.

Description

Hand jack that facilitates use

Technical Field

The utility model relates to a jack technical field specifically is a hand jack that facilitates use.

Background

The jack is often used for promoting the heavy load article and uses, and the jack in the past is the oil pressure formula, appears leaking easily after long-term the use and leads to the jack automatic whereabouts phenomenon, and jack uncontrollable height and speed of descent, leads to being difficult to accomplish high free control when maintaining, supporting and rising to heavily carrying the thing piece, and we provide a hand jack that facilitates use for this reason and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hand jack who facilitates use to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand jack that facilitates use, includes the shell, shell surface fixedly connected with mounting panel, mounting panel outside fixed mounting has power component, slidable mounting has ejector pin subassembly in the shell, power component is connected with the meshing of ejector pin subassembly, power component fixedly connected with waves the subassembly, the screw thread is provided with the U-shaped card on the mounting panel.

As a preferred technical scheme of the utility model, shell surface fixed mounting has the data plate, the fixed support foot that is equipped with in shell surface bottom, the shell is the cross-section circular-arc, the screw thread is provided with a plurality of bolts on the shell, bolt bottom threaded connection mounting panel.

As an optimized technical scheme of the utility model, the ejector pin subassembly is including the slide bar, the slide bar cross-section is the rectangle form. The top opening is fixedly arranged at the upper end of the sliding rod, the sliding rod is arranged in the shell in a sliding mode, and the base is fixedly arranged at the bottom end of the sliding rod.

As an optimized technical scheme of the utility model, the tooth's socket has been seted up to the slide bar side, power component is connected in the tooth's socket meshing.

As a preferred technical scheme of the utility model, power component is including first pivot, second pivot, the subassembly is waved to the one end fixed connection of first pivot, first pivot external fixation is equipped with the ratchet, the ratchet meshing is connected with the pawl, pawl other end sliding clamping has the mount pad, be provided with the second spring in the mount pad, the inboard fixed mounting of mount pad in the mounting panel outside surface, first pivot external fixation is equipped with the pinion, the meshing of pinion bottom is connected with the gear wheel, gear wheel meshing connects in tooth's socket department.

As a preferred technical scheme of the utility model, first pivot and the equal fixed first five teeth that are equipped with of second pivot surface, the second spline groove has all been seted up in pinion and the gear wheel, first five teeth joint is installed in first spline groove.

As a preferred technical scheme of the utility model, the mounting panel surface is opened there are a plurality of screws, screw female connection bolt, the convex groove has been seted up on the mounting panel surface, the inboard side port department fixed mounting in convex groove has the convex seat, mounting panel outside fixed surface installs the commentaries on classics cover, change the internal rotation of cover and connect the pawl.

As a preferred technical scheme of the utility model, wave the subassembly including the handle, the one end of the first pivot of the inboard fixed connection in handle upper end, handle bottom fixedly connected with is the core, the locating hole has been seted up to the in-core, it has the handle cover to rotate the joint outside the core, be equipped with first spring to the core overcoat.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the ground is fixed through the base, and the sliding rod drives the top opening to move up and down, so that the supporting effect is achieved, and the supporting height of the jack can be conveniently and quickly realized through hand cranking;

2. the handle sleeve drives the handle to rotate, the ratchet wheel is rotated through the first rotating shaft, and then the large gear is driven to rotate through the small gear, so that the sliding rod is driven to move, transmission is more stable through the arrangement of the first five teeth, and impact is avoided.

Drawings

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

figure 2 is a schematic view of the structural ejector rod component of the invention,

figure 3 is a schematic view of the structural mounting plate of the present invention,

figure 4 is a schematic view of the rocking assembly and power assembly of the present invention,

fig. 5 is a schematic view of the structure of the small gear and the large gear of the present invention.

In the figure: 1. a housing; 11. a nameplate; 12. supporting feet; 13. a bolt; 2. shaking the assembly; 21. a handle; 22. a handle sleeve; 23. a handle core; 231. positioning holes; 24. a first spring; 3. a power assembly; 31. a first rotating shaft; 311. five teeth; 32. a ratchet wheel; 33. a second rotating shaft; 34. a bull gear; 341. a first spline groove; 35. a pinion gear; 36. a mounting seat; 37. a pawl; 38. a second spring; 4. mounting a plate; 42. a screw hole; 43. a convex groove; 44. a convex seat; 45. rotating the sleeve; 5. a push rod assembly; 51. a slide bar; 511. a tooth socket; 52. a top opening; 53. a base; 6. a U-shaped card.

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.

Example (b): as shown in fig. 1-5, the utility model provides a hand jack that facilitates use, which comprises an outer shell 1, shell 1 surface fixed connection has mounting panel 4, and the outer guard shield of jack is constituteed with mounting panel 4 to shell 1, mounting panel 4 outside fixed mounting has power component 3, slidable mounting has ejector pin subassembly 5 in shell 1, drives ejector pin subassembly 5 through power component 3 and goes up and down along shell 1, power component 3 is connected with the meshing of ejector pin subassembly 5, power component 3 fixedly connected with waves subassembly 2, makes power component 3 work through waveing subassembly 2, the screw thread is provided with U-shaped card 6 on mounting panel 4 for with jack fixed mounting.

Further, 1 outer fixed surface of shell has

data plate

11, 1 outer fixed surface bottom of shell is fixed with and holds in the palm foot 12, shell 1 is that the cross-section is circular-arc, the screw thread is provided with a plurality of bolts 13 on the shell 1, bolt 13 bottom threaded connection mounting panel 4 to shell 1 and mounting panel 4 fixed connection.

Further, the push rod assembly 5 comprises a slide rod 51, and the cross section of the slide rod 51 is rectangular. The upper end of the sliding rod 51 is fixedly provided with a top opening 52, the sliding rod 51 is arranged in the shell 1 in a sliding mode, the bottom end of the sliding rod 51 is fixedly provided with a base 53, therefore, the base 53 is used for fixing the ground, and the sliding rod 51 drives the top opening 52 to move up and down, so that the supporting effect is achieved.

Furthermore, a tooth groove 511 is formed in the side surface of the sliding rod 51, and the tooth groove 511 is engaged with the power assembly 3.

Further, the power assembly 3 includes a first rotating shaft 31 and a second rotating shaft 33, one end of the first rotating shaft 31 is fixedly connected with the rocking assembly 2, a ratchet 32 is fixedly arranged on the outer surface of the first rotating shaft 31, the first rotating shaft 31 drives the ratchet 32 to rotate, the ratchet 32 is engaged and connected with a pawl 37, so that the pawl 37 can realize unidirectional rotation of the ratchet 32, the other end of the pawl 37 is slidably clamped with a mounting seat 36, a second spring 38 is arranged in the mounting seat 36, so that the pawl 37 can be mounted in the mounting seat 36, and toggle adjustment can be realized through the second spring 38, so that the pawl 37 is disengaged from the ratchet 32, the inner side of the mounting seat 36 is fixedly mounted on the outer side surface of the mounting plate 4, a small gear 35 is fixedly arranged outside the first rotating shaft 31, the bottom end of the small gear 35 is engaged and connected with a large gear 34, and the large gear 34 is engaged and connected to the tooth space 511, thereby driving the large gear 34 to rotate through the small gear 35 and driving the sliding rod 51 to move.

Further, first five teeth 311 are fixedly arranged on the outer surfaces of the first rotating shaft 31 and the second rotating shaft 33, second spline grooves 351 are formed in the small gear 35 and the large gear 34, the first five teeth 311 are clamped and installed in the first spline grooves 341, the second spline grooves 351 are formed in the small gear 35 and the large gear 34 and are connected with the first rotating shaft 31 and the second rotating shaft 33 in a clamping mode, transmission is more stable through the arrangement of the first five teeth 311, and impact is avoided.

Further, the surface of the mounting plate 4 is opened with a plurality of screw holes 42, the screw holes 42 are connected with the screw bolts 13 through internal threads, a convex groove 43 is formed in the surface of the mounting plate 4, a convex seat 44 is fixedly mounted at the port position of the inner side of the convex groove 43, the convex seat 44 is fixedly connected with the mounting plate 4, a rotating sleeve 45 is fixedly mounted on the surface of the outer side of the mounting plate 4, the pawl 37 is rotatably connected in the rotating sleeve 45, and therefore the pawl 37 can rotate along the rotating sleeve 45.

Further, the shaking assembly 2 comprises a handle 21, the inner side of the upper end of the handle 21 is fixedly connected with one end of the first rotating shaft 31, the bottom end of the handle 21 is fixedly connected with a handle core 23, a positioning hole 231 is formed in the handle core 23, a handle sleeve 22 is rotatably clamped outside the handle core 23, and a first spring 24 is sleeved outside the handle core 23, so that the handle sleeve 22 drives the handle 21 to rotate and drives the first rotating shaft 31 to rotate.

The working principle is as follows: the outer protective cover of the jack is formed by fixedly connecting the shell 1 and the mounting plate 4, and the fixed mounting of the jack is realized by the U-shaped clamp 6, when in use, the ground is fixed by the base 53, the sliding rod 51 drives the top opening 52 to move up and down, so as to achieve the supporting effect, concretely, the handle sleeve 22 drives the handle 21 to rotate and drives the first rotating shaft 31 to rotate, then the first rotating shaft 31 drives the ratchet 32 to rotate, the pawl 37 is meshed with the ratchet 32 to realize the unidirectional rotation of the ratchet 32, the pawl 37 can be mounted in the mounting seat 36 and can realize the rotation adjustment along the rotating sleeve 45 by the second spring 38, so that the pawl 37 is separated from the meshing with the ratchet 32, so that the ratchet 32 can realize the reverse rotation, the first rotating shaft 31 drives the large gear 34 to rotate by the small gear 35 and drives the sliding rod 51 provided with the tooth grooves 511 to move, the small gear 35 and the large gear 34 are internally provided with the second tooth grooves 351 and are connected with the first rotating shaft 31 and the first fifth teeth 311 on the second rotating shaft 33 in a clamping manner, make the transmission more steady through setting up first five teeth 311, avoid producing the impact to be convenient for realize the bearing height of jack fast through hand.

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. The utility model provides a hand jack that facilitates use, includes shell (1), its characterized in that: outer fixed surface of shell (1) is connected with mounting panel (4), mounting panel (4) outside fixed mounting has power component (3), slidable mounting has ejector pin subassembly (5) in shell (1), power component (3) are connected with ejector pin subassembly (5) meshing, power component (3) fixed connection has and waves subassembly (2), the screw thread is provided with U-shaped card (6) on mounting panel (4).

2. A hand jack for convenient use as claimed in claim 1 wherein: the utility model discloses a bolt, including shell (1), outer fixed surface installs data plate (11), shell (1) outer fixed surface bottom end is equipped with holds in the palm foot (12), shell (1) is the cross-section circular-arcly, the screw thread is provided with a plurality of bolts (13) on shell (1), bolt (13) bottom threaded connection mounting panel (4).

3. A hand jack for convenient use as claimed in claim 1 wherein: ejector pin subassembly (5) is including slide bar (51), slide bar (51) cross-section is the rectangle form, slide bar (51) upper end is fixed and is equipped with top mouth (52), slide bar (51) slide and locate in shell (1), slide bar (51) bottom mounting is equipped with base (53).

4. A hand jack for convenient use as claimed in claim 3 wherein: tooth grooves (511) are formed in the side faces of the sliding rods (51), and the tooth grooves (511) are meshed with the power assembly (3).

5. A hand jack for convenient use as claimed in claim 4, wherein: power component (3) are including first pivot (31), second pivot (33), the one end fixed connection of first pivot (31) waves subassembly (2), first pivot (31) external fixation is equipped with ratchet (32), ratchet (32) meshing is connected with pawl (37), pawl (37) other end sliding clamping joint has mount pad (36), be provided with second spring (38) in mount pad (36), mount pad (36) inboard fixed mounting is in mounting panel (4) outside surface, first pivot (31) external fixation is equipped with pinion (35), pinion (35) bottom meshing is connected with gear wheel (34), gear wheel (34) meshing connection is in tooth's socket (511) department.

6. A hand jack for convenient use as claimed in claim 5, wherein: first five teeth (311) are fixedly arranged on the outer surfaces of the first rotating shaft (31) and the second rotating shaft (33), second spline grooves (351) are formed in the small gear (35) and the large gear (34), and the first five teeth (311) are clamped and mounted in the first spline grooves (341).

7. A hand jack for convenient use as claimed in claim 5, wherein: mounting panel (4) surface is opened has a plurality of screw (42), screw (42) female connection bolt (13), convex groove (43) have been seted up on mounting panel (4) surface, convex groove (43) inboard port department fixed mounting has convex seat (44), mounting panel (4) outside fixed surface installs changes cover (45), change cover (45) internal rotation connection pawl (37).

8. A hand jack for facilitating the use of claim 5, wherein: the shaking assembly (2) comprises a handle (21), the inner side of the upper end of the handle (21) is fixedly connected with one end of a first rotating shaft (31), a handle core (23) is fixedly connected with the bottom end of the handle (21), a positioning hole (231) is formed in the handle core (23), a handle sleeve (22) is rotationally clamped outside the handle core (23), and a first spring (24) is sleeved outside the handle core (23).