CN211770155U

CN211770155U - Limiting mechanism of jack rocker

Info

Publication number: CN211770155U
Application number: CN201922439820.1U
Authority: CN
Inventors: 张金环
Original assignee: Tianjin Jingtian Weilida Hydraulic Jack Co ltd
Current assignee: Tianjin Jingtian Weilida Hydraulic Jack Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a stop gear of jack rocker, including the jack body, the right side fixedly connected with rocking arm of jack body. The utility model discloses a user inserts the rocker in the inside of rocking arm, then rotatory bull stick, the bull stick is rotatory to drive the cam rotatory, the rotatory cooperation recess of cam makes annular frame remove left, annular frame removes left and drives the traveller left and removes, annular frame drives the rubber slab and removes left when traveller cooperation spout spacing removal left, make the dead lever pass through the opening and fix the inside completion at the draw-in groove when last rubber slab removes compression spring absorbing left and fix, on the same principle remove fixedly otherwise, it does not have fixed function to have solved current jack rocker, lead to the problem that drops easily among the activity process, the security in the user operation process has been increased, the travelling comfort of jack operation has also been increased, the practicality of jack has also been improved.

Description

Limiting mechanism of jack rocker

Technical Field

The utility model relates to a jack rocker machinery technical field specifically is a stop gear of jack rocker.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke.

The jack is used for vehicle repair and other work such as jack-up, support, and current jack rocker does not have fixed function, leads to the activity in-process to drop easily, has reduced the security among the user operation process, also influences the travelling comfort of jack operation, has also reduced the practicality of jack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a stop gear of jack rocker, possess fixed effectual advantage, solved current jack rocker and do not have fixed function, lead to the problem that drops easily among the activity process.

The utility model provides a its technical problem realize through following technical scheme:

the utility model provides a stop gear of jack rocker, includes the jack body, the right side fixedly connected with rocking arm of jack body, the fixed case of right side fixedly connected with of rocking arm, the top fixedly connected with bull stick of fixed case, the bottom swing joint of the bottom of bull stick through the top of fixed case and through bearing frame and fixed incasement wall, the cam has been cup jointed on the surface of bull stick, the position sliding connection of the front side of fixed incasement wall and dorsal part and corresponding cam has the traveller, the inboard fixedly connected with annular frame of traveller, the inboard of annular frame and the right side contact of cam, the left side fixedly connected with stop gear of annular frame.

And, stop gear includes the rubber slab, the left side fixedly connected with dead lever of rubber slab, the front side intercommunication of rocking arm has the rocker, the draw-in groove has been seted up on the right side of rocker and the position that corresponds the dead lever, the inside to the draw-in groove is run through to the left side of dead lever.

And, the spout has been seted up to the front side and the dorsal part of fixed incasement wall and the position that corresponds the traveller, the length of spout is greater than the migration distance of traveller, the quantity of spout is two, and evenly distributed, the spout uses with the traveller cooperation.

And, the equal fixedly connected with spring in fixed left front of incasement wall and the back, the right side of spring and the left side fixed connection of rubber slab, the quantity of spring is two, and evenly distributed, the spring uses with the rubber slab cooperation.

And, the opening has been seted up to the left side of fixed case and the position that corresponds the dead lever, open-ended width is greater than the width of dead lever, the opening uses with the dead lever cooperation.

And the inner cavity of the annular frame is provided with a groove, the cross sectional area of the groove is equal to that of the cam, and the groove is matched with the cam for use.

The utility model discloses an advantage and beneficial effect do:

1. the utility model discloses a stop gear of jack rocker, through setting up jack body, the rocking arm, the fixed case, the bull stick, the cam, the traveller, annular frame and stop gear cooperation use, insert the rocker in the inside of rocking arm through the user, then rotatory bull stick, the bull stick is rotatory to drive the cam rotation, cam rotation cooperation recess makes annular frame move left, annular frame moves left and drives the traveller to move left, annular frame drives the rubber slab to move left when the traveller cooperates with the spout to move left spacing, finally the rubber slab moves left and makes the dead lever fix in the inside of draw-in groove through the opening when compressing spring shock attenuation, on the same way, fix is removed, solve current jack rocker does not have the fixed function, lead to the problem that drops easily in the activity process, the security in the user's operation process has been increased, also increase the travelling comfort of jack operation, the practicability of the jack is also improved.

2. The utility model discloses a stop gear of jack rocker through the setting of spout, can make the traveller remove about the spout is inside, plays spacing effect simultaneously, has avoided the traveller to appear the phenomenon of rocking at the in-process that removes, also reduces the friction of traveller in the spout inside, increases the life of traveller.

3. The utility model discloses a stop gear of jack rocker through the setting of spring, can assist the rubber slab to carry out work, plays the effect that the shock attenuation resets simultaneously, has avoided the rubber slab can't reset and has leaded to mechanical failure, also improves the stability that the rubber slab removed.

4. The utility model discloses a stop gear of jack rocker through the open-ended setting, can make the dead lever carry out mechanical transmission through the opening that the dead width is too narrow to lead to the dead phenomenon of dead card to appear at the opening part in the dead lever of dead, also reduces the wearing and tearing of dead lever at the opening part, prolongs the live time of dead lever.

5. The utility model discloses a stop gear of jack rocker through the setting of recess, can make the cam rotatory in the inside of recess, plays spacing effect simultaneously, has avoided the cam phenomenon that the skew appears at rotatory in-process, also improves the security of machine work.

Drawings

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

FIG. 2 is a top cross-sectional view of the retaining box structure of FIG. 1 in accordance with the present invention;

fig. 3 is a right side view of the rocker structure of fig. 2 according to the present invention.

In the figure: 1-jack body, 2-rocker arm, 3-fixed box, 4-rotating rod, 5-cam, 6-sliding column, 7-annular frame, 8-limiting mechanism, 81 rubber plate, 82 fixed rod, 83 rocker arm, 84 clamping groove, 9 sliding groove, 10 spring, 11 opening and 12 groove.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

A limiting mechanism of a jack rocker comprises a jack body 1, a rocker arm 2 is fixedly connected to the right side of the jack body 1, a fixed box 3 is fixedly connected to the right side of the rocker arm 2, a rotating rod 4 is fixedly connected to the top of the fixed box 3, the bottom of the rotating rod 4 penetrates through the top of the fixed box 3 and is movably connected with the bottom of the inner wall of the fixed box 3 through a bearing seat, a cam 5 is sleeved on the surface of the rotating rod 4, sliding columns 6 are slidably connected to the front side and the back side of the inner wall of the fixed box 3 and correspond to the positions of the cam 5, sliding grooves 9 are formed in the front side and the back side of the inner wall of the fixed box 3 and correspond to the positions of the sliding columns 6, the length of each sliding groove 9 is larger than the moving distance of the sliding column 6, the sliding grooves 9 are two and are uniformly distributed, the sliding grooves 9 are matched with the sliding columns 6 for use, the sliding columns 6 can, the phenomenon that the sliding column 6 shakes in the moving process is avoided, friction of the sliding column 6 in the sliding groove 9 is reduced, the service life of the sliding column 6 is prolonged, the inner side of the sliding column 6 is fixedly connected with the annular frame 7, the inner cavity of the annular frame 7 is provided with the groove 12, the cross section area of the groove 12 is equal to that of the cam 5, the groove 12 is matched with the cam 5 for use, the cam 5 can rotate in the groove 12 through the arrangement of the groove 12, the limiting effect is achieved, the phenomenon that the cam 5 deviates in the rotating process is avoided, the working safety of the machine is also improved, the inner side of the annular frame 7 is in contact with the right side of the cam 5, the left side of the annular frame 7 is fixedly connected with the limiting mechanism 8, the limiting mechanism 8 comprises a rubber plate 81, the left side of the rubber plate 81 is fixedly connected with a fixing rod 82, the front side of the rocker arm 2 is communicated with a rocker 83, the right side of the rocker 83 is provided, the left side of the fixed rod 82 penetrates into the clamping groove 84, the front side and the back side of the left side of the inner wall of the fixed box 3 are fixedly connected with the springs 10, the right sides of the springs 10 are fixedly connected with the left side of the rubber plate 81, the number of the springs 10 is two, the springs 10 and the rubber plate 81 are uniformly distributed, the springs 10 and the rubber plate 81 are matched for use, the rubber plate 81 can be assisted to work through the arrangement of the springs 10, meanwhile, the damping and resetting effects are achieved, the mechanical fault caused by the fact that the rubber plate 81 cannot reset is avoided, the moving stability of the rubber plate 81 is also improved, an opening 11 is formed in the left side of the fixed box 3 and in a position corresponding to the fixed rod 82, the width of the opening 11 is larger than that of the fixed rod 82, the opening 11 and the fixed rod 82 are matched for use, through the arrangement of the opening 11, the fixed rod 82 can be completely and mechanically driven, wear of the fixing rod 82 at the opening 11 is also reduced, and the use time of the fixing rod 82 is prolonged.

During the use, the user is through rotatory bull stick 4, the bull stick 4 is rotatory to drive cam 5 rotatory, cam 5 rotatory cooperation recess 12 makes annular frame 7 move left, annular frame 7 moves left and drives traveller 6 and move left, annular frame 7 drives rubber slab 81 and moves left when traveller 6 cooperates spout 9 spacing removal left, and finally rubber slab 81 moves left and makes dead lever 82 get into the inside of rocking arm 2 through opening 11 and accomplish fixedly when compression spring 10 shock attenuation, and vice versa removes fixedly on the same way.

In summary, the following steps: this stop gear of jack rocker, through jack body 1, rocking arm 2, fixed case 3, bull stick 4, cam 5, traveller 6, ring frame 7 and stop gear 8 cooperation are used, insert rocker 83 in the inside of rocking arm 2 through the user, then rotatory bull stick 4, the rotatory cam 5 that drives of bull stick 4 is rotatory, cam 5 rotation fit recess 12 makes ring frame 7 remove left, ring frame 7 removes left and drives traveller 6 and remove left, traveller 6 cooperates the 9 inside of spacing removal of spout 9 left simultaneously ring frame 7 drives rubber slab 81 and removes left, finally rubber slab 81 removes left and makes dead lever 82 fix in the inside of draw-in groove 84 through opening 11 when moving compression spring 10 shock attenuation, on the contrary, remove fixedly on the same principle, the current jack rocker does not have the fixed function, lead to the problem that the activity in-process drops easily.

Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, alterations, and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and thus the scope of the invention is not limited to the embodiments and drawings disclosed.

Claims

1. The utility model provides a stop gear of jack rocker, includes jack body (1), its characterized in that: the jack comprises a jack body (1), a right side fixedly connected with rocker arm (2), a right side fixedly connected with fixing box (3) of rocker arm (2), a top fixedly connected with rotating rod (4) of fixing box (3), the bottom of rotating rod (4) runs through the top of fixing box (3) and is movably connected with the bottom of fixing box (3) inner wall through a bearing seat, a cam (5) is sleeved on the surface of rotating rod (4), the front side and the back side of fixing box (3) inner wall are connected with a sliding column (6) in a sliding mode, the inner side fixedly connected with annular frame (7) of sliding column (6) is in contact with the right side of cam (5), and the left side fixedly connected with limiting mechanism (8) of annular frame (7) is connected with the right side of cam (5).

2. The limiting mechanism of the jack rocker as claimed in claim 1, wherein: stop gear (8) include rubber slab (81), the left side fixedly connected with dead lever (82) of rubber slab (81), the front side intercommunication of rocking arm (2) has rocker (83), draw-in groove (84) have been seted up to the right side of rocker (83) and the position that corresponds dead lever (82), the inside to draw-in groove (84) is run through to the left side of dead lever (82).

3. The limiting mechanism of the jack rocker as claimed in claim 1, wherein: spout (9) have been seted up to the front side and the dorsal part of fixed case (3) inner wall and the position that corresponds traveller (6), the length of spout (9) is greater than the displacement of traveller (6), the quantity of spout (9) is two, and evenly distributed, spout (9) and traveller (6) cooperation are used.

4. The limiting mechanism of the jack rocker as claimed in claim 2, wherein: the fixed box (3) is characterized in that the spring (10) is fixedly connected to the left front side and the back side of the inner wall of the fixed box (3), the right side of the spring (10) is fixedly connected with the left side of the rubber plate (81), the number of the springs (10) is two, the springs are evenly distributed, and the springs (10) are matched with the rubber plate (81) for use.

5. The limiting mechanism of the jack rocker as claimed in claim 2, wherein: the left side of fixed case (3) just corresponds the position of dead lever (82) and has seted up opening (11), the width of opening (11) is greater than the width of dead lever (82), opening (11) and dead lever (82) cooperation use.

6. The limiting mechanism of the jack rocker as claimed in claim 1, wherein: a groove (12) is formed in the inner cavity of the annular frame (7), the cross sectional area of the groove (12) is equal to that of the cam (5), and the groove (12) is matched with the cam (5) for use.