Guide cylinder

Abstract

The utility model discloses a guide cylinder which comprises a cylinder body, a fixing shell is fixedly installed on the outer side wall of the cylinder body, a fixing plate located above the fixing shell is fixedly installed on the outer side wall of the cylinder body, an operation assembly is arranged on the fixing plate, and four driving assemblies connected with the operation assembly are arranged on the fixing shell. The operating assembly comprises two threaded rods which are arranged on the fixing plate in a penetrating mode and are in threaded connection with the fixing plate, the bottom ends of the two threaded rods are rotationally connected with the same pressing plate, rotating handles are fixedly installed at the top ends of the two threaded rods, and the driving assembly comprises a first connecting rod which is arranged on the top of the fixing shell in a penetrating mode and is in sliding connection with the fixing shell. By arranging the operation assembly and the driving assembly, the four reducing blocks can be close to or far away from each other by rotating the rotating handle, so that the guiding and transporting requirements of cylindrical objects with different radiuses are met, the application range is wider, practicability is high, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a guide cylinder. Background Art

[0002] With the continuous upgrading of my country's automobile industry products, people have higher and higher requirements on the load-bearing capacity, life and reliability of automobile parts. During the production of automobile parts, guide cylinders are needed to guide and transport cylindrical parts.

[0003] When the existing guide cylinder is in use, a single guide cylinder can only realize the guided transportation of cylindrical parts with one radius. When it is necessary to guide and transport cylindrical parts with different radii, it is necessary to replace different guide cylinders, which is inconvenient to use and has low practicality. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a guide cylinder.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A guide cylinder comprises a cylinder body, a fixed shell is fixedly mounted on the outer wall of the cylinder body, a fixed plate located above the fixed shell is fixedly mounted on the outer wall of the cylinder body, an operating assembly is arranged on the fixed plate, and four driving assemblies connected with the operating assembly are arranged on the fixed shell.

[0007] Preferably, the operating assembly includes two threaded rods penetrating the fixed plate and threadedly connected thereto, the bottom ends of the two threaded rods are rotatably connected to the same pressing plate, and the top ends of the two threaded rods are fixedly mounted with a rotary handle.

[0008] Preferably, the driving assembly includes a first connecting rod that is arranged on the top of the fixed shell and is slidably connected to it, the bottom of the pressure plate that is fixedly connected to one end of the first connecting rod located outside the fixed shell, the end of the first connecting rod located in the fixed shell is fixedly installed with a second auxiliary block, and the side of the second auxiliary block close to the cylinder body is provided with a first auxiliary block that is slidably connected to the bottom of the fixed shell, the outer wall of the cylinder is provided with a through hole, the second connecting rod passes through the through hole and extends to the interior of the cylinder, the end of the second connecting rod located in the cylinder body is fixedly installed with a reducing block, and a spring is fixedly connected between the first auxiliary block and the outer wall of the cylinder.

[0009] Preferably, evenly distributed protrusions are provided on the outer side walls of the two knobs.

[0010] Preferably, the first connecting rod and the second connecting rod are both square-shaped.

[0011] Preferably, the first auxiliary block is in the shape of a right triangle, the second auxiliary block is in the shape of a right trapezoid, and the inclined surface on the first auxiliary block abuts against the inclined surface on the second auxiliary block.

[0012] Beneficial effects of the utility model:

[0013] By setting the operating assembly and the driving assembly, the four variable diameter blocks can be moved closer to or farther away from each other by turning the handle, thereby meeting the guided transportation requirements of cylindrical objects with different radii. The application range is wider, the practicability is high, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a guide cylinder proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the planar structure of a guide cylinder proposed by the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the drive assembly of the utility model.

[0017] In the figure: 1 cylinder, 2 fixed shell, 3 first connecting rod, 4 fixed plate, 5 threaded rod, 6 handle, 7 protrusion, 8 first auxiliary block, 9 spring, 10 reducing block, 11 pressure plate, 12 second auxiliary block, 13 second connecting rod, 14 through hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 3 A guide cylinder comprises a cylinder body 1, a fixed shell 2 is fixedly mounted on the outer wall of the cylinder body 1, a fixed plate 4 located above the fixed shell 2 is fixedly mounted on the outer wall of the cylinder body 1, an operating assembly is arranged on the fixed plate 4, and the operating assembly comprises two threaded rods 5 which are arranged through the fixed plate 4 and threadedly connected thereto, the bottom ends of the two threaded rods 5 are rotatably connected to the same pressing plate 11, the top ends of the two threaded rods 5 are fixedly mounted with a rotary handle 6, and the outer walls of the two rotary handles 6 are arranged with evenly distributed protrusions 7;

[0020] Four driving components connected to the operating components are arranged on the fixed shell 2, and the driving components include a first connecting rod 3 that is arranged on the top of the fixed shell 2 and is slidably connected thereto, and the first connecting rod 3 is fixedly connected to the bottom of the pressure plate 11 at one end outside the fixed shell 2, and a second auxiliary block 12 is fixedly installed at one end of the first connecting rod 3 located inside the fixed shell 2, and a first auxiliary block 8 that is slidably connected to the bottom of the fixed shell 2 is arranged on the side of the second auxiliary block 12 close to the cylinder 1, and the first auxiliary block 8 is fixedly installed on a side wall close to the cylinder 1 There is a second connecting rod 13, and a through hole 14 is opened on the outer wall of the cylinder 1. The second connecting rod 13 passes through the through hole 14 and extends to the inside of the cylinder 1. A reducing block 10 is fixedly installed at one end of the second connecting rod 13 located in the cylinder 1. A spring 9 is fixedly connected between the first auxiliary block 8 and the outer wall of the cylinder 1. The first connecting rod 3 and the second connecting rod 13 are both square in shape, the first auxiliary block 8 is in the shape of a right triangle, and the second auxiliary block 12 is in the shape of a right trapezoid. The inclined surface on the first auxiliary block 8 is against the inclined surface on the second auxiliary block 12.

[0021] When the utility model is in use, the threaded rod 5 can be rotated clockwise by turning the knob 6, so that the pressure plate 11 can move downward, and the pressure plate 11 drives the first connecting rod 3 and the second auxiliary block 12 to move downward. Since the second auxiliary block 12 and the first auxiliary block 8 are both provided with inclined surfaces, and the two inclined surfaces abut against each other, during the downward movement of the second auxiliary block 12, the first auxiliary block 8 slides toward the direction close to the cylinder 1, the spring 9 is compressed, and the first auxiliary block 8 drives the second connecting rod 13 and the reducing block 10 to move, so that the four reducing blocks 10 are close to each other, thereby meeting the guided transportation of cylindrical objects with different radii. It is easy to use, and the pressure plate 11 can be moved upward by rotating the knob 6 counterclockwise, and the four reducing blocks 10 can be moved away from each other through the spring 9.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A guide cylinder, comprising a cylinder body (1), characterized in that: A fixed shell (2) is fixedly mounted on the outer wall of the cylinder (1), a fixed plate (4) located above the fixed shell (2) is fixedly mounted on the outer wall of the cylinder (1), an operating assembly is arranged on the fixed plate (4), the operating assembly comprises two threaded rods (5) penetrating the fixed plate (4) and threadedly connected thereto, the bottom ends of the two threaded rods (5) are rotatably connected to the same pressing plate (11), the top ends of the two threaded rods (5) are fixedly mounted with a rotary handle (6), the fixed shell (2) is provided with four drive assemblies connected to the operating assembly, the drive assembly comprises a first connecting rod (3) penetrating the top of the fixed shell (2) and slidably connected thereto, one end of the first connecting rod (3) located outside the fixed shell (2) is fixedly mounted on the fixed shell (2), and the other end of the first connecting rod (3) is fixedly mounted on the fixed shell (2). On the bottom of the connected pressure plate (11), a second auxiliary block (12) is fixedly mounted on one end of the first connecting rod (3) located in the fixed shell (2), a first auxiliary block (8) slidably connected to the bottom of the fixed shell (2) is provided on the side of the second auxiliary block (12) close to the cylinder (1), a second connecting rod (13) is fixedly mounted on a side wall of the first auxiliary block (8) close to the cylinder (1), a through hole (14) is provided on the outer wall of the cylinder (1), the second connecting rod (13) passes through the through hole (14) and extends to the inside of the cylinder (1), a reducing block (10) is fixedly mounted on one end of the second connecting rod (13) located in the cylinder (1), and a spring (9) is fixedly connected between the first auxiliary block (8) and the outer wall of the cylinder (1).

2. A guide cylinder according to claim 1, characterized in that: Evenly distributed protrusions (7) are provided on the outer side walls of the two rotating handles (6).

3. A guide cylinder according to claim 2, characterized in that: The first connecting rod (3) and the second connecting rod (13) are both square in shape.

4. A guide cylinder according to claim 2, characterized in that: The first auxiliary block (8) is in the shape of a right triangle, the second auxiliary block (12) is in the shape of a right trapezoid, and the inclined surface on the first auxiliary block (8) abuts against the inclined surface on the second auxiliary block (12).

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