CN211413758U

CN211413758U - Adjustable lifting lever

Info

Publication number: CN211413758U
Application number: CN201921985812.0U
Authority: CN
Inventors: 王静
Original assignee: Individual
Current assignee: Qitaihe Hagong Zhicang Intelligent Equipment Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-09-04
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an adjustable lift lever belongs to lift lever technical field, the on-line screen storage device comprises a base, lead screw and riser, the lower extreme of lead screw is passed through first antifriction bearing and is connected with the rotation of the upper end center department of base, the upper end of lead screw extends to in the riser and threaded connection has the screw thread sleeve pipe, along fixed connection in the lower extreme mouth of pipe department of screw thread sleeve pipe's pipe wall and riser, the sleeve pipe has been cup jointed in the slip on the pipe wall of riser, sheathed tube one side fixedly connected with L template, two staple bolts of vertical portion one side fixedly connected with of L template, the vertical portion left side of L template is rotated through the pivot and is connected with the lever, the one end that the L template was kept. The utility model discloses, can effectual improvement lift lever stability when using, but also can reach different lift height and laborsaving purpose as required fast speed adjusting lift lever's impetus, also improved lift lever's application scope.

Description

Adjustable lifting lever

Technical Field

The utility model relates to a lift lever technical field especially relates to an adjustable lift lever.

Background

In mechanics, a typical lever is a hard rod placed and connected on a supporting point, the hard rod can rotate around the supporting point, an ancient scholars classify the lever into simple machinery, the operating principle of the lever is studied strictly, some levers can amplify input force and provide larger output force, the function is called 'leverage', the lever can be applied anywhere in life, the lever can be made into straight or bent according to needs, but the lever is a hard object, in the production life of people, in order to punch a hole on a roof when a house ceiling is decorated, workers can fix an electric drill to punch the hole by using a lifting lever, but the existing lifting lever has a simpler structure, the lifting lever cannot be fixed to punch the hole after being fixed during punching, so that larger deviation occurs during punching, and the lifting lever is not convenient to adjust the lifting distance, the application range is smaller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art lift lever structure comparatively simple, can't punch after the lift lever is fixed when punching, the great deviation appears when leading to punching, and the lift lever is not convenient for adjust the lift distance moreover, and the problem that application scope is less than, and the adjustable formula lift lever that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable lifting lever comprises a base, a screw rod and a vertical pipe, wherein the lower end of the screw rod is rotatably connected with the center of the upper end of the base through a first rolling bearing, the upper end of the screw rod extends into the vertical pipe and is in threaded connection with a threaded sleeve pipe, the pipe wall of the threaded sleeve pipe is fixedly connected with the inner edge of the pipe orifice of the lower end of the vertical pipe, the sleeve pipe is sleeved on the pipe wall of the vertical pipe in a sliding manner, an L-shaped plate is fixedly connected to one side of the sleeve pipe, two hoops are fixedly connected to one side of the vertical part of the L-shaped plate, the left side of the vertical part of the L-shaped plate is rotatably connected with a lever through a rotating shaft, one end of the lever, far away from the L-shaped plate, is rotatably connected with a transmission rod through a shaft pin, one end, far away from the lever, of the, the brake rod is fixedly connected to the rod wall of the transmission rod, a sliding sleeve is fixedly connected to the lower side of the left end of the vertical pipe, a guide rod is sleeved in the sliding sleeve in a sliding mode, and the lower end of the guide rod is fixedly connected with the upper end of the base.

Preferably, the horizontal part of L template has adjusting bolt through second screw hole threaded connection, adjusting bolt's upper end passes the second screw hole and rotates through second antifriction bearing and is connected with the roof, the vertical portion upper end fixedly connected with locating piece of L template, the right-angle notch has been seted up to the locating piece right-hand member.

Preferably, the rod wall of the screw rod is fixedly connected with an annular plate, the rod wall of the screw rod is sleeved with a positioning pipe in a sliding mode, the pipe wall of the positioning pipe is fixedly connected with a plurality of triangular plates which are uniformly distributed, and the lower ends of the triangular plates are fixedly connected with the upper end of the base.

Preferably, the pipe wall of the vertical pipe is fixedly connected with a limiting ring, the upper end of the limiting ring is in contact connection with the lower end pipe orifice of the sleeve, and the upper end pipe orifice of the vertical pipe is fixedly connected with a limiting plate.

Preferably, the four corners of the lower end of the base are fixedly connected with universal wheels.

Compared with the prior art, the utility model provides an adjustable lift lever possesses following beneficial effect:

1. this adjustable lift lever, through the universal wheel that is equipped with, remove the base to the construction site, use the staple bolt to fix the electric drill on the L template, with the hand rotatory adjusting bolt and the contact of second screw hole interact promotion roof and electric drill, and then the electric drill that can fix different models uses, it is rotatory to make the lead screw rotatory with the hand rotation annular plate, the lead screw is rotatory to promote the riser with screw sleeve pipe interact, the riser shifts up and makes limiting plate and wall crown contact, and then make the lift lever apparatus be difficult for rocking, the stability of lift lever when having improved the construction of punching.

2. This adjustable lift lever, through the brake lever that is equipped with, it makes the transfer line swing around the bolt to promote the brake lever with the hand, the transfer line swing promotes the lever and makes the L template remove, the L template removes and drives the electric drill and rise to punch, the sleeve pipe that sets up on the L template simultaneously can support the L template, keep the stability of L template, with spanner swivel bolt and first screw hole separation, and be connected the bolt with the first screw hole of different positions on the riser, and then can change the contained angle between transfer line and the lever, thereby can adjust the impetus of lift lever, reach different lifting height and laborsaving mesh, the application scope of lift lever has been improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can effectual improvement lift lever stability when using, but also can be as required quick adjustment lift lever's impetus, reach different lift height and laborsaving purpose, also improved lift lever's application scope.

Drawings

Fig. 1 is a schematic structural view of an adjustable lifting lever according to the present invention;

fig. 2 is a right side view of an adjustable lifting lever according to the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: the device comprises a vertical pipe 1, a sleeve 2, a limiting ring 3, a guide rod 4, a sliding sleeve 5, a positioning pipe 6, a base 7, a universal wheel 8, a set square 9, a screw rod 10, an annular plate 11, a transmission rod 12, a brake rod 13, a lever 14, an adjusting bolt 15, a 16L-shaped plate, a top plate 17, an anchor ear 18, a positioning block 19, a bolt 20 and a threaded sleeve 21.

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.

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.

Referring to fig. 1-3, an adjustable lifting lever comprises a base 7, a screw rod 10 and a vertical pipe 1, wherein the lower end of the screw rod 10 is rotatably connected with the center of the upper end of the base 7 through a first rolling bearing, the upper end of the screw rod 10 extends into the vertical pipe 1 and is in threaded connection with a threaded sleeve 21, the pipe wall of the threaded sleeve 21 is fixedly connected with the inner edge of the lower end pipe orifice of the vertical pipe 1, the sleeve 2 is sleeved on the pipe wall of the vertical pipe 1 in a sliding manner, an L-shaped plate 16 is fixedly connected to one side of the sleeve 2, two hoops 18 are fixedly connected to one side of the vertical part of the L-shaped plate 16, an adjusting bolt 15 is in threaded connection with the horizontal part of the L-shaped plate 16 through a second threaded hole, the upper end of the adjusting bolt 15 passes through the second threaded hole and is rotatably connected with a top plate 17, a lever 14 is rotatably connected to the left side of the vertical part of the L-shaped plate 16 through a rotating shaft, one end of the lever 14, which is far away from the L-shaped plate 16, is rotatably connected with a transmission rod 12 through a shaft pin, a bolt 20 is movably sleeved on one end of the transmission rod 12, which is far away from the lever 14, through a round hole, a plurality of first threaded holes which are uniformly distributed are formed in the left pipe wall of the vertical pipe 1, one of the first threaded holes is in threaded connection with the bolt 20, a brake rod 13 is fixedly connected to the rod wall of the transmission rod 12, a sliding sleeve 5 is fixedly connected to the lower side of the left end of the vertical pipe 1, a guide rod 4 is slidably sleeved in the sliding sleeve 5, the lower end of the guide rod 4 is fixedly connected with the upper end of the base 7, an annular plate 11 is fixedly connected to the rod wall of the lead screw 10, a positioning pipe 6 is slidably sleeved on the rod wall, set-square 9 and registration arm 6 can support lead screw 10 to do not influence the lead screw 10 rotation, fixed even has spacing ring 3 on the pipe wall of riser 1, and the upper end of spacing ring 3 is connected with the contact of the lower extreme mouth of pipe department of sleeve pipe 2, and spacing ring 3 can carry on spacingly to the position of sleeve pipe 2, and the upper end mouth of pipe department fixedly connected with limiting plate of riser 1, the equal fixed company of lower extreme four corners department of base 7 has universal wheel 8, is convenient for remove base 7.

In the utility model, the base 7 is moved to a construction site, an electric drill is fixed on an L-shaped plate 16 by using a hoop 18, a hand is used to rotate an adjusting bolt 15 to interact with a second threaded hole to push a top plate 17 to contact with the electric drill, and further the electric drills of different models can be fixed to use, a ring plate 11 is rotated by a hand to rotate a lead screw 10, the lead screw 10 rotates to interact with a threaded sleeve 21 to push a vertical pipe 1 to move upwards, the vertical pipe 1 moves upwards to make a limiting plate contact with a wall top, so that a lifting lever device is not easy to shake, the stability of a lifting lever during punching construction is improved, a brake rod 13 is pushed by a hand to make a transmission rod 12 swing around a bolt 20, the transmission rod 12 swings to push a lever 14 to move the L-shaped plate 16, the L-shaped plate 16 moves to drive the electric drill to ascend to punch, the bolt 20 is rotated by a wrench to be separated from the first threaded hole, the bolt 20 is connected with the first threaded holes at different positions on the vertical pipe 1, and then an included angle between the transmission rod 12 and the lever 14 can be changed, so that the acting point of the lifting lever can be adjusted, the purposes of different lifting heights and labor saving are achieved, and the application range of the lifting lever is widened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable lifting lever comprises a base (7), a screw rod (10) and a vertical pipe (1), and is characterized in that the lower end of the screw rod (10) is rotatably connected with the center of the upper end of the base (7) through a first rolling bearing, the upper end of the screw rod (10) extends into the vertical pipe (1) and is in threaded connection with a threaded sleeve (21), the pipe wall of the threaded sleeve (21) is fixedly connected with the inner edge of the lower end pipe orifice of the vertical pipe (1), a sleeve (2) is sleeved on the pipe wall of the vertical pipe (1) in a sliding manner, an L-shaped plate (16) is fixedly connected to one side of the sleeve (2), two hoops (18) are fixedly connected to one side of the vertical part of the L-shaped plate (16), a lever (14) is rotatably connected to the left side of the vertical part of the L-shaped plate (16) through a rotating shaft, one end, far away from the L-shaped plate, bolt (20) have been cup jointed through the round hole activity to the one end that lever (14) were kept away from in transfer line (12), set up a plurality of evenly distributed's first screw hole on the left side pipe wall of riser (1), one of them first screw hole and bolt (20) threaded connection, fixed even has brake lever (13) on the pole wall of transfer line (12), the left end downside fixedly connected with sliding sleeve (5) of riser (1), sliding sleeve has cup jointed guide bar (4) in sliding sleeve (5), the lower extreme of guide bar (4) and the upper end fixed connection of base (7).

2. The adjustable lifting lever as recited in claim 1, wherein the horizontal part of the L-shaped plate (16) is in threaded connection with an adjusting bolt (15) through a second threaded hole, the upper end of the adjusting bolt (15) passes through the second threaded hole and is rotatably connected with a top plate (17) through a second rolling bearing, the upper end of the vertical part of the L-shaped plate (16) is fixedly connected with a positioning block (19), and the right end of the positioning block (19) is provided with a right-angle notch.

3. The adjustable lifting lever according to claim 1, wherein the rod wall of the screw rod (10) is fixedly connected with an annular plate (11), the rod wall of the screw rod (10) is slidably sleeved with a positioning tube (6), the tube wall of the positioning tube (6) is fixedly connected with a plurality of uniformly distributed triangular plates (9), and the lower ends of the triangular plates (9) are fixedly connected with the upper end of the base (7).

4. The adjustable lifting lever as recited in claim 1, characterized in that a limiting ring (3) is fixedly connected to the wall of the vertical pipe (1), the upper end of the limiting ring (3) is in contact connection with the lower end pipe orifice of the sleeve (2), and a limiting plate is fixedly connected to the upper end pipe orifice of the vertical pipe (1).

5. The adjustable lifting lever as claimed in claim 1, wherein the lower end of the base (7) is fixedly connected with universal wheels (8) at four corners.