CN219189766U

CN219189766U - Lever labor-saving mechanism

Info

Publication number: CN219189766U
Application number: CN202320353478.7U
Authority: CN
Inventors: 史栩屹; 史卫波; 杜伟光
Original assignee: Laizhou Hengyi Testing Apparatus Co ltd
Current assignee: Laizhou Hengyi Testing Apparatus Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-06-16
Anticipated expiration: 2033-03-01

Abstract

The utility model provides a lever labor-saving mechanism which comprises a metallographic specimen cutting machine and a connecting shaft, wherein the connecting shaft is rotationally connected to one side of the metallographic specimen cutting machine, one end of the connecting shaft penetrates through the metallographic specimen cutting machine and extends to one side of the metallographic specimen cutting machine, the other end of the connecting shaft is sleeved with a connecting support, the shaft surface of the connecting shaft is positioned in the connecting support and is fixedly connected with a first fixing piece, the top of the connecting support is uniformly penetrated with two first inner hexagon screws from left to right, and the bottom ends of the two first inner hexagon screws penetrate through the first fixing piece and extend to the bottom of the inner wall of the connecting support; according to the utility model, the top end of the handle rod is pulled backwards, so that the bottom end of the handle rod drives the connecting support to rotate through the second fixing piece, the connecting shaft can be driven to rotate through the first fixing piece, the handle of the metallographic specimen cutting machine can be quickly adjusted, and the structure of the cross connecting block lever is simple, the lever is labor-saving, and the adjustment is convenient.

Description

Lever labor-saving mechanism

Technical Field

The utility model belongs to the field of cutting debugging, and particularly relates to a lever labor-saving mechanism.

Background

The metallographic specimen cutting machine is used for cutting out metallographic specimens by utilizing a sheet grinding wheel rotating at a high speed, and is widely applicable to cutting various metal materials in a metallographic laboratory, and a cutting handle of the metallographic specimen cutting machine is used for adjusting the pressing cutting angle of the cutting machine.

At present, the existing metallographic specimen cutting machine needs to use a larger force to break a handle to adjust the cutting angle of the cutting machine, the cutting angle of the cutting machine is changed and adjusted by adjusting the heights of a motor and a cutting blade, the motor and the cutting blade are heavier, the handle of the cutting machine is directly connected, the adjusting angle is time-consuming and labor-consuming, the arm weakness is caused by long-time use, and the adjustment is inconvenient.

In summary, the present utility model provides a lever labor-saving mechanism to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a lever labor-saving mechanism to solve the problems of labor-saving handle adjustment and the like in the prior art.

The utility model provides a lever labor-saving mechanism, includes metallographic specimen cutting machine and connecting axle, the connecting axle rotates and connects in one side of metallographic specimen cutting machine, the one end of connecting axle runs through metallographic specimen cutting machine and extends to one side of metallographic specimen cutting machine, the other pot head of connecting axle is equipped with the linking bridge, the axial face of connecting axle is located the inside fixedly connected with first stationary blade of linking bridge, the top of linking bridge evenly runs through from left to right has two first hexagon socket head cap screw, two the bottom of first hexagon head cap screw all runs through first stationary blade and extends to the bottom of linking bridge inner wall, the rear side at linking bridge top runs through there is the hand (hold) lever, the face of hand (hold) lever is located the inside fixedly connected with second stationary blade of linking bridge, one side of linking bridge evenly runs through from top to bottom has two second hexagon head cap screw, two the one end of second hexagon head cap screw all runs through the second stationary blade and extends to one side of linking bridge inner wall, the top fixedly connected with rubber handle of hand (hold).

Preferably, the front surface of the rubber handle is provided with embossments.

Preferably, the first fixing piece is provided with two first threaded holes which are matched with the first inner hexagon screws to penetrate.

Preferably, the first fixing piece is in threaded connection with two first socket head cap screws.

Preferably, the second fixing piece is provided with two second threaded holes which are matched with the second inner hexagon screws to penetrate through.

Preferably, the second fixing piece is in threaded connection with two second socket head cap screws.

Preferably, a first through hole penetrating through the connecting shaft is formed in the other side of the connecting support, and a second through hole penetrating through the connecting handle rod is formed in the rear side of the top of the connecting support.

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

according to the utility model, the rubber handle is held, the top end of the handle rod is pulled backwards, so that the bottom end of the handle rod drives the connecting support to rotate through the second fixing piece, the connecting shaft can be driven to rotate through the first fixing piece, the handle of the metallographic specimen cutting machine can be quickly adjusted, and the cross connecting block lever structure is adopted, so that the structure is simple, the lever is labor-saving, and the adjustment is convenient.

Drawings

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic side view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of the connecting bracket shown in FIG. 1;

fig. 4 is a schematic side sectional view of the connecting sleeve of fig. 1.

In the figure:

1. a rubber handle; 2. a handle bar; 3. a first socket head cap screw; 4. a connecting shaft; 5. a connecting bracket; 6. a first fixing piece; 7. a second socket head cap screw; 8. and a second fixing piece.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides a lever labor-saving mechanism, which comprises a metallographic specimen cutting machine and a connecting shaft 4, wherein the connecting shaft 4 is rotatably connected to one side of the metallographic specimen cutting machine, one end of the connecting shaft 4 penetrates through the metallographic specimen cutting machine and extends to one side of the metallographic specimen cutting machine, the other end of the connecting shaft 4 is sleeved with a connecting bracket 5, the axial surface of the connecting shaft 4 is fixedly connected with a first fixing piece 6 inside the connecting bracket 5, the top of the connecting bracket 5 is uniformly penetrated with two first hexagon socket screws 3 from left to right, the bottom ends of the two first hexagon screws 3 penetrate through the first fixing piece 6 and extend to the bottom of the inner wall of the connecting bracket 5, the rear side of the top of the connecting bracket 5 is penetrated with a handle bar 2, the rod surface of the handle bar 2 is positioned inside the connecting bracket 5 and is fixedly connected with a second fixing piece 8, one side of the connecting bracket 5 is uniformly penetrated with two second hexagon screws 7 from top to bottom, one end of the two second hexagon screws 7 penetrates through the second fixing piece 8 and extends to one side of the inner wall of the connecting bracket 5, the top of the handle bar 2 is fixedly connected with a rubber handle bar 1, and the inside of the metallographic specimen cutting machine is connected with the handle bar 4.

Referring to fig. 1-2, the front surface of the rubber handle 1 is provided with embossments, and the embossments on the front surface of the rubber handle 1 can increase the friction force of the rubber handle 1, so that the phenomenon that the handle bar 2 is pulled by the rubber handle 1 to skid is prevented.

Referring to fig. 2-4, the first fixing piece 6 is provided with two first threaded holes penetrating through the first socket head cap screws 3, and the two first socket head cap screws 3 are in threaded connection with the connecting bracket 5.

Referring to fig. 2-4, the first fixing piece 6 is screwed with two first socket head cap screws 3, and one end of the connecting shaft 4 can be quickly fixed inside the connecting bracket 5 through the first fixing piece 6 and the two first socket head cap screws 3.

Referring to fig. 2-4, two second threaded holes are formed in the second fixing piece 8, through which the second socket head cap screws 7 are matched, and the two second socket head cap screws 7 are in threaded connection with the connecting bracket 5.

Referring to fig. 2-4, the second fixing piece 8 is screwed with two second socket head cap screws 7, and one end of the handle bar 2 can be quickly fixed inside the connecting bracket 5 through the second fixing piece 8 and the two second socket head cap screws 7.

Referring to fig. 2-4, a first through hole penetrating through the connecting shaft 4 is formed on the other side of the connecting bracket 5, a second through hole penetrating through the handle bar 2 is formed on the rear side of the top of the connecting bracket 5, the first through hole can allow the first fixing piece 6 to penetrate into the connecting bracket 5, and the second through hole can allow the second fixing piece 8 to penetrate into the connecting bracket 5.

The specific working principle is as follows: when the lever labor-saving mechanism is used, as shown in fig. 1-4, firstly, the rubber handle 1 is arranged at the top end of the handle rod 2, the connecting shaft 4 provided with the first fixing piece 6 is fixed inside the connecting support 5 through the first inner hexagon screw 3, the handle rod 2 provided with the second fixing piece 8 is fixed inside the connecting support 5 through the second inner hexagon screw 7, the top end of the handle rod 2 is pulled backwards through holding the rubber handle 1, the bottom end of the handle rod 2 drives the connecting support 5 to rotate through the second fixing piece 8, and therefore the handle of the metallographic specimen cutting machine can be quickly adjusted through the rotation of the connecting shaft 4 driven by the first fixing piece 6.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A lever effort saving mechanism comprising: metallographic specimen cutting machine and connecting axle (4), its characterized in that: the utility model discloses a metallographic specimen cutting machine, including connecting axle (4), handle bar (2) are run through to the one end of connecting axle (4) and extend to one side of metallographic specimen cutting machine, the other pot head of connecting axle (4) is equipped with linking bridge (5), the axial face of connecting axle (4) is located the inside fixedly connected with first stationary blade (6) of linking bridge (5), the top of linking bridge (5) evenly runs through from a left side to the right side has two first hexagon socket head cap screws (3), two the bottom of first hexagon socket head cap screws (3) all runs through first stationary blade (6) and extends to the bottom of linking bridge (5) inner wall, the rear side at linking bridge (5) top runs through there is handle bar (2), the rod face of handle bar (2) is located inside fixedly connected with second stationary blade (8) of linking bridge (5), one side of linking bridge (5) evenly runs through from last to two second hexagon socket head cap screws (7), two the bottom of second hexagon socket head cap screws (7) all runs through to the bottom of linking bridge (5) inner wall (1).

2. The lever effort saving mechanism of claim 1, wherein: the front surface of the rubber handle (1) is provided with concave-convex patterns.

3. The lever effort saving mechanism of claim 1, wherein: two first threaded holes which are matched with the first inner hexagon screws (3) to penetrate are formed in the first fixing piece (6).

4. The lever effort saving mechanism of claim 1, wherein: the first fixing pieces (6) are in threaded connection with the two first inner hexagon screws (3).

5. The lever effort saving mechanism of claim 1, wherein: two second threaded holes which are matched with the second inner hexagon screws (7) to penetrate are formed in the second fixing piece (8).

6. The lever effort saving mechanism of claim 1, wherein: the second fixing pieces (8) are in threaded connection with two second inner hexagon screws (7).

7. The lever effort saving mechanism of claim 1, wherein: the other side of the connecting support (5) is provided with a first through hole penetrating through the connecting shaft (4), and the rear side of the top of the connecting support (5) is provided with a second through hole penetrating through the connecting handle (2).