Laboratory water circulation type vacuum pump auxiliary device

Abstract

The utility model relates to the technical field of laboratory water circulation type vacuum pump auxiliary devices, in particular to a laboratory water circulation type vacuum pump auxiliary device which comprises a laboratory water circulation type vacuum pump and a shell. A control structure is connected to the inner wall of the shell, a straight rod moves backwards through a handle in the control structure to be inserted into a corresponding round opening in the front face of a round plate, then the handle is pushed rightwards to be matched with the straight rod to drive the round plate to rotate rightwards, then the straight rod and the inserted round opening are replaced to continue to enable the round plate to rotate, and other net plates on the outer wall of the round plate are adjusted to the lower portion. The passing water source is continuously filtered, the screen plate can be replaced without stopping the work of the laboratory water circulation type vacuum pump, the screen plate at the switching position is cleaned through the opening in the shell, cleaning of the auxiliary device of the laboratory water circulation type vacuum pump is facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory water circulation type vacuum pump auxiliary devices, in particular to a laboratory water circulation type vacuum pump auxiliary device. Background Art

[0002] The laboratory water circulation vacuum pump auxiliary device is to filter and protect the water inlet of the vacuum pump to prevent impurities in the water source from affecting the vacuum pump.

[0003] For example, a laboratory water circulation vacuum pump auxiliary device with the authorization announcement number "CN219744366U" can achieve complete condensation of experimental exhaust gas and maximum absorption of acidic gas, thereby achieving safety protection of the working system and the working environment. A filter is connected to the water inlet of the water circulation pump, which can play a good protective role for the water circulation pump and the vacuum ejector. The laboratory water circulation vacuum pump auxiliary device also has the characteristics of simple structure, small space occupation and convenient operation. However, during the use of the laboratory water circulation vacuum pump auxiliary device, the filter structure cannot be replaced in time. When blockage occurs during use, the laboratory water circulation vacuum pump stops working and is disassembled as a whole for cleaning, which is inconvenient for cleaning the laboratory water circulation vacuum pump auxiliary device, thereby reducing the working efficiency of the laboratory water circulation vacuum pump auxiliary device. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to clean the laboratory water circulation type vacuum pump auxiliary device and reduces the working efficiency of the laboratory water circulation type vacuum pump auxiliary device, and proposes a laboratory water circulation type vacuum pump auxiliary device.

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

[0006] A laboratory water circulation vacuum pump auxiliary device is designed, comprising a laboratory water circulation vacuum pump and a shell, wherein the output end on the left side of the front side of the laboratory water circulation vacuum pump is connected to the lower part of the rear end surface of the shell, the inner wall of the shell is connected to a control structure, a straight rod is connected to the upper front side of the control structure, a handle is fixedly connected to the front side of the straight rod, a supporting structure is connected to the right side of the rear end surface of the shell, and bottom plates are fixedly connected to the upper and lower sides of the rear end surface of the laboratory water circulation vacuum pump respectively.

[0007] Preferably, the control structure includes a circular plate and a mesh plate, the inner wall rotation axis of the circular plate is rotatably connected to the inner wall of the shell, the outer wall notch of the circular plate is fixedly connected to the outer walls of multiple mesh plates, and multiple first rings are respectively fixedly connected to the front and rear sides of the circular plate.

[0008] Preferably, the first circular ring is located on the outer side of the mesh plate, and the outer side of the first circular ring is in contact with the inner wall of the outer shell.

[0009] Preferably, the circular opening on the upper front side of the circular plate is plugged into the rear side of the outer wall of the straight rod.

[0010] Preferably, the supporting structure includes a first disc and a straight cylinder, the rear end face of the first disc fits against the front face of the laboratory water circulation vacuum pump, the front face of the first disc is fixedly connected to the rear end face of the straight cylinder, the inner wall of the straight cylinder is threadedly connected with a screw, and the front face of the screw is fixedly connected to the second disc.

[0011] Preferably, the front surface of the second disc is in contact with the right side of the rear end surface of the housing.

[0012] The utility model provides a laboratory water circulation vacuum pump auxiliary device, which has the following beneficial effects: a handle in a control structure is used to move the straight rod backwards and plug into a corresponding circular opening on the front side of a circular plate, and then the handle is pushed to the right side, and the straight rod cooperates with the circular plate to rotate to the right side, and then the straight rod and the plugged circular opening are replaced to continue rotating the circular plate, so that other mesh plates on the outer wall of the circular plate are adjusted to the bottom to continue filtering the passing water source, and the mesh plates can be replaced without stopping the operation of the laboratory water circulation vacuum pump, and the mesh plates at the converted position can be cleaned through the opening on the outer shell, which is convenient for cleaning the laboratory water circulation vacuum pump auxiliary device and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the connection relationship between the middle circular plate, the mesh plate and the first circular ring;

[0015] Figure 3 for Figure 1 The structural diagram of A in the figure;

[0016] Figure 4 for Figure 1 Schematic diagram of the structure of B;

[0017] Figure 5 for Figure 1 Schematic diagram of the connection relationship structure of the first disc, straight barrel and screw.

[0018] In the figure: 1. laboratory water circulation vacuum pump, 2. control structure, 201. circular plate, 202. mesh plate, 203. first circular ring, 3. supporting structure, 301. first circular disc, 302. straight cylinder, 303. screw, 304. second circular disc, 4. outer shell, 5. straight rod, 6. handle, 7. bottom plate, 8. second circular ring. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Embodiment 1:

[0021] See also Figure 1-5 In the present embodiment, a laboratory water circulation vacuum pump auxiliary device comprises a laboratory water circulation vacuum pump 1 and a shell 4. The output end on the left side of the front side of the laboratory water circulation vacuum pump 1 is connected to the lower part of the rear end face of the shell 4. The model of the laboratory water circulation vacuum pump 1 is selected according to the use requirements. The inner wall of the shell 4 is connected to a control structure 2. A straight rod 5 is connected to the upper front side of the control structure 2. A handle 6 is fixed to the front of the straight rod 5. The handle 6 facilitates the forward and backward movement of the straight rod 5. A support structure 3 is connected to the right side of the rear end face of the shell 4. Bottom plates 7 are fixed to the upper and lower sides of the rear end face of the laboratory water circulation vacuum pump 1 respectively.

[0022] The control structure 2 includes a circular plate 201 and a mesh plate 202. The inner wall rotation shaft of the circular plate 201 is rotatably connected to the inner wall of the shell 4. The inner wall rotation shaft of the circular plate 201 is rotated by the bearing on the inner wall of the shell 4. The outer wall notch of the circular plate 201 is fixedly connected to the outer walls of multiple mesh plates 202. The mesh plates 202 are made of stainless steel, and the aperture can block impurities in the water to achieve a filtering function. Multiple first rings 203 are fixedly connected to the front and rear sides of the circular plate 201, respectively. The first rings 203 are located on the outside of the mesh plate 202. The first rings 203 are made of rubber. The outside of the first rings 203 fits the inner wall of the shell 4. The upper circular opening on the front of the circular plate 201 is plugged into the rear of the outer wall of the straight rod 5.

[0023] By controlling the handle 6 in the structure 2, the straight rod 5 is moved backward and plugged into the corresponding circular opening on the front of the circular plate 201, and then the handle is pushed to the right, cooperating with the straight rod 5 to rotate the circular plate 201 to the right, and then the straight rod 5 and the plugged circular opening are replaced to continue to rotate the circular plate 201, so that the other mesh plates 202 on the outer wall of the circular plate 201 are adjusted to the bottom, and the passing water source is continued to be filtered. The replacement of the mesh plate 202 can be completed without stopping the operation of the laboratory water circulation vacuum pump 1, and the mesh plate 202 at the conversion position can be cleaned through the opening on the outer shell 4, which is convenient for cleaning the auxiliary device of the laboratory water circulation vacuum pump and improves the work efficiency.

[0024] The supporting structure 3 includes a first disc 301 and a straight cylinder 302. The rear end face of the first disc 301 fits with the front face of the laboratory water circulation vacuum pump 1. The front face of the first disc 301 is fixedly connected to the rear end face of the straight cylinder 302. The inner wall of the straight cylinder 302 is threadedly connected with a screw 303. The straight cylinder 302 is subjected to force to rotate back and forth on the outer wall of the screw 303. The supporting structure 3 supports the outer shell 4 to ensure the stability of the outer shell 4. The front face of the screw 303 is fixedly connected with a second disc 304. The front face of the second disc 304 fits with the right side of the rear end face of the outer shell 4.

[0025] Working principle:

[0026] Laboratory water circulation vacuum pump installation and use:

[0027] Make the bottom plate 7 at the rear of the laboratory water circulation vacuum pump 1 fit with the supporting surface, then the front of the shell 4 and the right side of the output end of the laboratory water circulation vacuum pump 1 are connected with the external pipeline, so that the front of the second disc 304 fits with the right side of the rear end face of the shell 4, and the bolt passes through the second disc 304 from back to front to fix it with the shell 4, then the straight cylinder 302 rotates backward on the outer wall of the screw 303, and the rotating straight cylinder 302 moves the first disc 301 backward, the first disc 301 fits with the outer wall of the laboratory water circulation vacuum pump 1, and then the right front to rear thread passes through the first disc 301 and is threadedly connected with the outer wall of the laboratory water circulation vacuum pump 1, and then the laboratory water circulation vacuum pump 1 works to make the laboratory water source enter the shell 4 through the connected pipe on the left, and then the water source enters the laboratory water circulation vacuum pump 1 through the lower mesh plate 202, and then is discharged at the right output end.

[0028] Laboratory water circulation vacuum pump screen replacement:

[0029] When the mesh plate 202 is blocked during the use of the laboratory water circulation vacuum pump 1, hold the handle 6 to move the straight rod 5 backwards and plug it into the corresponding round opening on the front of the circular plate 201, then push the handle to the right, cooperate with the straight rod 5 to rotate the circular plate 201 to the right, then replace the straight rod 5 and the plugged round opening to continue to rotate the circular plate 201, so that the other mesh plates 202 on the outer wall of the circular plate 201 are adjusted to the bottom, and the passing water source continues to be filtered. The mesh plate 202 can be replaced without stopping the operation of the laboratory water circulation vacuum pump 1.

[0030] Embodiment 2:

[0031] See also Figure 1-5 In this embodiment, a laboratory water circulation vacuum pump auxiliary device further includes a second ring 8, and the rear end surface of the second ring 8 is fixedly connected to the front surface of the shell 4 downward.

[0032] Working principle:

[0033] When the outer shell 4 is connected to an external pipe, the external pipe and the outer shell 4 will squeeze the second ring 8, and the second ring 8 can seal the connection through its own rubber material.

[0034] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A laboratory water circulation vacuum pump auxiliary device, comprising a laboratory water circulation vacuum pump (1) and a housing (4), characterized in that: The output end on the left side of the front face of the laboratory water circulation vacuum pump (1) is connected to the lower part of the rear end face of the shell (4); the inner wall of the shell (4) is connected to a control structure (2); a straight rod (5) is connected to the upper part of the front face of the control structure (2); a handle (6) is fixedly connected to the front face of the straight rod (5); the right side of the rear end face of the shell (4) is connected to a support structure (3); the upper and lower sides of the rear end face of the laboratory water circulation vacuum pump (1) are respectively fixedly connected to a bottom plate (7); the control structure (2) comprises a circular plate (201) and a mesh plate (202); the inner wall rotation axis of the circular plate (201) is rotatably connected to the inner wall of the shell (4); the outer wall notch of the circular plate (201) is fixedly connected to the outer walls of a plurality of mesh plates (202); and a plurality of first circular rings (203) are respectively fixedly connected to the front and rear sides of the circular plate (201).

2. A laboratory water circulation vacuum pump auxiliary device according to claim 1, characterized in that: The first circular ring (203) is located on the outside of the mesh plate (202), and the outside of the first circular ring (203) fits the inner wall of the outer shell (4).

3. A laboratory water circulation vacuum pump auxiliary device according to claim 2, characterized in that: The circular opening on the upper front side of the circular plate (201) is plugged into the rear side of the outer wall of the straight rod (5).

4. A laboratory water circulation vacuum pump auxiliary device according to claim 3, characterized in that: The support structure (3) comprises a first disc (301) and a straight cylinder (302); the rear end face of the first disc (301) fits with the front face of the laboratory water circulation vacuum pump (1); the front face of the first disc (301) is fixedly connected to the rear end face of the straight cylinder (302); a screw rod (303) is threadedly connected to the inner wall of the straight cylinder (302); and the front face of the screw rod (303) is fixedly connected to the second disc (304).

5. A laboratory water circulation vacuum pump auxiliary device according to claim 4, characterized in that: The front surface of the second disc (304) fits in contact with the right side of the rear end surface of the housing (4).

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