Vacuum pump with protection mechanism

Abstract

The utility model discloses a vacuum pump with a protection mechanism, which belongs to the technical field of vacuum pumps and comprises a pump main body and the protection mechanism positioned outside the pump main body, the protection mechanism comprises a base and a protection shell welded on the base, the base and the protection shell form a whole self-closed space, a side seat is fixedly welded on the inner wall of the protection shell, and the side seat is fixedly welded on the inner wall of the protection shell. Wherein one side of the pump main body is mounted on the side seat, so that the structure of the pump main body is limited by the side seat and is kept stable, the other side of the pump main body is connected with a projecting shaft, air cylinders are mounted on the bottom wall of the base and the top wall of the protective shell, and the opposite sides of the two air cylinders are connected with conveying telescopic rods correspondingly; positioning pieces are welded to the opposite sides of the two conveying telescopic rods correspondingly, and soaking plates are embedded in the outer walls of the two sides of each positioning piece correspondingly. According to the vacuum pump with the protection mechanism, heat dissipation is conducted on the internal environment of the protection shell after use, and therefore the situation that the pump main body structure is damaged due to long-time heat accumulation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vacuum pump technical field especially relates to a vacuum pump with protection mechanism. BACKGROUND

[0002] Vacuum pump is the device or equipment that obtains vacuum by using mechanical, physical, chemical or physical and chemical methods to pump the container, and it is a kind of device that improves, generates and maintains vacuum in certain closed space according to the working principle of vacuum pump.Vacuum pump can be basically divided into two types, namely gas trapping pump and gas transmission pump according to the working principle of vacuum pump.It is widely used in metallurgy, chemical industry, food, electronic coating and other industries.

[0003] In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology: the commonly used vacuum pump includes dry screw vacuum pump, water ring pump, reciprocating pump, slide valve pump, rotary vane pump, roots pump and diffusion pump, etc., and these pumps are essential main force pump types in the application of vacuum process in various industries of national economy in China.But the current various types of vacuum pumps with external protection mechanism, such as the patent with application No.CN202221262807.9-a vacuum pump with protection mechanism, when the movable nested shell is subjected to external force, the supporting spring is extruded inward, and the movable pipe is inserted into the movable nested shell, and the sealing washer is arranged between the movable pipe and the movable nested shell to prevent leakage of the pump assembly during pumping, which effectively improves the protection capability of the vacuum pump equipment;But it does not have a heat dissipation structure after use, which causes heat accumulation in the protection mechanism, thereby affecting the stability of the pump body and even causing damage.

[0004] Therefore, we propose a vacuum pump with protection mechanism to solve the above problems. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a vacuum pump with protection mechanism, which can dissipate heat in the protection shell after use, thereby avoiding damage to the pump body structure caused by long-term heat accumulation, and effectively solving the problems in the background art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A vacuum pump with protection mechanism, comprising a pump body and a protection mechanism located outside the pump body, the protection mechanism comprising a base and a protection shell welded on the base, wherein the base and the protection shell form a self-closed space, a side seat is fixedly welded on the inner wall of the protection shell, one side of the pump body is installed on the side seat, so that the structure of the pump body is limited by the side seat and remains stable, and the other side of the pump body is connected with an extension shaft;

[0008] The bottom wall of the base and the top wall of the protective shell are provided with air cylinders, the opposite sides of the two air cylinders are respectively connected with transmission telescopic rods, the opposite sides of the two transmission telescopic rods are respectively welded with positioning sheets, the outer walls on both sides of each positioning sheet are embedded with uniform heating plates, the inner walls of the uniform heating plates are fixedly welded with copper plates which directly contact with the arc-shaped outer wall of the pump body, and the outer walls of the uniform heating plates are welded with a plurality of cooling fins.

[0009] The opposite side walls of the protective shell are integrally welded with expansion pipes, and the two expansion pipes are respectively provided with cooling fans.

[0010] As a preferred embodiment, the protruding shaft horizontally penetrates out from the side of the protective shell which is opposite to the side seat, and the outer side of the protruding shaft is slidably provided with a sliding sleeve, wherein the sliding sleeve is welded to the protective shell; so that the protruding shaft can be driven to extend and retract when the pump body is in operation, the protruding shaft can slide in the inner side of the sliding sleeve, and although the protruding shaft and the sliding sleeve are in contact with each other and have sliding friction, they will not affect the functionality of each other.

[0011] As a preferred embodiment, the two positioning sheets are C-shaped and designed to face each other, the inner walls of the two positioning sheets are fixedly bonded with soft pads at the centers, and the inner walls of the positioning sheets are fixedly bonded with buffer protrusions on both sides; by contacting the arc-shaped outer wall of the pump body through the soft pads and the buffer protrusions, the pump body can be buffered, and the pump body can be fixed by pressing through the positioning sheets.

[0012] As a preferred embodiment, protective nets are installed at the openings of the two expansion pipes; the protective nets are similar in structure to dust nets, can intercept dust, flocculation and some larger solid objects, and ensure the relative cleanliness of the internal environment of the protective shell.

[0013] As a preferred embodiment, sliding rods are symmetrically welded to the outer walls of each positioning sheet, and the two sliding rods are slidably sleeved in the protective barrels, and the two protective barrels are welded to the base or the protective shell; so that when the positioning sheet translates, the sliding rod can slide in the protective barrel, thereby ensuring the balance of the positioning sheet.

[0014] As a preferred embodiment, protruding barrels are fixedly bonded to the bottom wall of the base and the top wall of the protective shell, and the two air cylinders are located in the inner sides of the two protruding barrels; so that the air cylinders can be protected by the protruding barrels to reduce the probability of damage.

[0015] In summary, the technical effects and advantages of the present application are:

[0016] The vacuum pump with the protection mechanism, before the pump body works, drives two cylinders to operate, makes two transmission telescopic rods elongate and drives two arc-shaped positioning sheets to adhere to both sides of the outer wall of the pump body, thereby positioning the pump body, so that the pump body does not shake during work, and the structural stability and work reliability are ensured; after the pump body works, the heat dissipation fans on both sides are driven to operate, and the internal environment of the protection shell is heat dissipated, so that the pump body structure is prevented from being damaged due to long-time heat accumulation;

[0017] The vacuum pump with the protection mechanism, the pump body runs to drive the extension shaft to slide in the sliding sleeve, when the pump body continuously runs, heat is released, the heat of the pump body is quickly absorbed by the copper plates on the two positioning sheets, and is dissipated on the heat dissipation fins outside the heat plate, so that after the pump body completes work, the two heat dissipation fans are powered on to operate to ventilate the internal environment of the protection shell, the internal environment of the protection shell is quickly ventilated, and the heat absorbed on the heat dissipation fins of the two positioning sheets is quickly discharged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a vertical sectional view of one side of the utility model;

[0020] Figure 3 It is a vertical sectional view of the other side of the utility model;

[0021] Figure 4 It is the utility model Figure 3 The structure enlarged view of A in the utility model;

[0022] Figure 5 It is the utility model Figure 3 The structure enlarged view of B in the utility model.

[0023] In the drawing: 1, base; 2, protection shell; 3, pump body; 4, extension shaft; 5, sliding sleeve; 6, cylinder; 7, convex cylinder; 8, transmission telescopic rod; 9, positioning sheet; 10, soft pad; 11, buffer convex point; 12, heat plate; 13, copper plate; 14, heat dissipation fin; 15, expansion pipe; 16, heat dissipation fan; 17, protection net; 18, side seat; 19, protection cylinder; 20, sliding rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Reference Figures 1-5The utility model provides a vacuum pump with a protection mechanism, comprising a pump body 3 and a protection mechanism outside the pump body 3, the protection mechanism comprises a base 1 and a protection shell 2 welded on the base 1, wherein the base 1 and the protection shell 2 form a self-closed space, a side seat 18 is fixedly welded on the inner wall of the protection shell 2, one side of the pump body 3 is installed on the side seat 18, so that the structure of the pump body 3 is limited by the side seat 18 and kept stable, the other side of the pump body 3 is connected with an extension shaft 4, the extension shaft 4 horizontally penetrates out from the side of the protection shell 2 away from the side seat 18, and the outer side of the extension shaft 4 is slidably provided with a sliding sleeve 5, wherein the sliding sleeve 5 is welded on the protection shell 2, so that the extension shaft 4 is driven to extend and retract when the pump body 3 operates, the extension shaft 4 can slide in the inner side of the sliding sleeve 5, and although the extension shaft 4 and the sliding sleeve 5 are in contact with each other and have sliding friction, it will not affect their functionality.

[0026] A cylinder 6 is installed on the bottom wall of the base 1 and the top wall of the protection shell 2, a convex cylinder 7 is fixedly bonded on the bottom wall of the base 1 and the top wall of the protection shell 2, two cylinders 6 are respectively located on the inner side of the two convex cylinders 7, so that the cylinders 6 can be protected by the convex cylinders 7 to reduce the probability of damage, a transmission telescopic rod 8 is connected to the side of each cylinder 6, a positioning sheet 9 is welded on the side of each transmission telescopic rod 8, the two positioning sheets 9 are C-shaped and designed to face each other, a soft pad 10 is fixedly bonded on the inner wall center of each positioning sheet 9, and a buffer protrusion 11 is fixedly bonded on the two sides of the inner wall of each positioning sheet 9, the soft pad 10 and the buffer protrusion 11 are in contact with the arc-shaped outer wall of the pump body 3, so that the pump body 3 is buffered and fixed by the positioning sheet 9, a uniform heating plate 12 is embedded on the outer wall of each positioning sheet 9, a copper plate 13 in direct contact with the arc-shaped outer wall of the pump body 3 is fixedly welded on the inner wall of the uniform heating plate 12, and a plurality of heat dissipation fins 14 are welded on the outer wall of the uniform heating plate 12; a sliding rod 20 is symmetrically welded on the outer wall of each positioning sheet 9, and the two sliding rods 20 are respectively slidably sleeved in a protection cylinder 19, and the two protection cylinders 19 are welded on the base 1 or the protection shell 2, so that the positioning sheet 9 can drive the sliding rod 20 to slide in the protection cylinder 19 when it translates, thereby ensuring the balance of the positioning sheet 9.

[0027] An expansion pipe 15 is integrally welded on each side wall of the protection shell 2, a heat dissipation fan 16 is installed in each expansion pipe 15, the heat dissipation fan 16 needs external power supply, and a protective net 17 is installed on the opening of each expansion pipe 15, the protective net 17 is similar to a dust screen and can intercept dust, flocculation and some larger solid objects, thereby ensuring the relative cleanliness of the internal environment of the protection shell 2.

[0028] The vacuum pump with the protection mechanism: before use, the two cylinders 6 drive the two transmission telescopic rods 8 to extend, the two positioning sheets 9 are close to each other, and the soft pads 10 and the buffer convex points 11 in the two positioning sheets 9 are in contact with the arc-shaped outer wall of the pump body 3, and are fixed (a part of the outer wall of the pump body 3 is arc-shaped, which can refer to the existing technical vacuum pump actual drawing); when in use, the pump body 3 runs to drive the extension shaft 4 to slide in the sliding sleeve 5, and when the pump body 3 continuously runs, heat is released, the heat of the pump body 3 is quickly absorbed by the copper plate 13 on the two positioning sheets 9, then quickly transmitted to the two heat evenly plates 12, and then dispersed on the heat dissipation fins 14 (aluminum) outside the heat evenly plates 12, so after the pump body 3 completes the work, the two cylinders 6 are required to run to drive the two positioning sheets 9 to separate from the pump body 3, and then the two heat dissipation fans 16 are powered on to run to ventilate the environment inside the protection shell 2, wherein the two heat dissipation fans 16 are the same in wind direction, can quickly ventilate the inside of the protection shell 2, and quickly discharge the heat absorbed on the heat dissipation fins 14 of the two positioning sheets 9.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum pump with a protection mechanism, comprising a pump body (3) and a protection mechanism located outside the pump body (3), characterized in that, The protection mechanism comprises a base (1) and a protection shell (2) welded on the base (1), the base (1) and the protection shell (2) constitute a self-closed space as a whole, the inner wall of the protection shell (2) is fixedly welded with a side seat (18), one side of the pump body (3) is mounted on the side seat (18), and the other side of the pump body (3) is connected with an extension shaft (4). The bottom wall of the base (1) and the top wall of the protection shell (2) are both mounted with air cylinders (6), the opposite sides of the two air cylinders (6) are respectively connected with transmission telescopic rods (8), the opposite sides of the two transmission telescopic rods (8) are respectively welded with positioning sheets (9), the outer walls of the two sides of each positioning sheet (9) are inlaid with uniform heating plates (12), the inner wall of the uniform heating plate (12) is fixedly welded with a copper plate (13) in direct contact with the arc-shaped outer wall of the pump body (3), and the outer wall of the uniform heating plate (12) is welded with a plurality of heat dissipation fins (14). The opposite side walls of the protection shell (2) are integrally welded with expansion pipes (15), and the two expansion pipes (15) are respectively mounted with heat dissipation fans (16) inside.

2. A vacuum pump with a protection mechanism according to claim 1, characterized in that, The extension shaft (4) horizontally penetrates out from the side of the protection shell (2) away from the side seat (18), and the outer side of the extension shaft (4) is slidably provided with a sliding sleeve (5), wherein the sliding sleeve (5) is welded on the protection shell (2).

3. A vacuum pump with a protection mechanism according to claim 1, characterized in that, The two positioning sheets (9) are both C-shaped and designed to face each other, the inner wall centers of the two positioning sheets (9) are fixedly bonded with soft pads (10), and the two sides of the inner wall of the positioning sheet (9) are fixedly bonded with buffer convex points (11).

4. A vacuum pump with a protection mechanism according to claim 1, characterized in that, The openings of the two expansion pipes (15) are both mounted with protection nets (17).

5. A vacuum pump with a protection mechanism according to claim 1, characterized in that, The outer wall of each positioning sheet (9) is symmetrically welded with a sliding rod (20), and the two sliding rods (20) are respectively slidably sleeved in protection cylinders (19), and the two protection cylinders (19) are welded on the base (1) or the protection shell (2).

6. A vacuum pump with a protection mechanism according to claim 1, characterized in that, The bottom wall of the base (1) and the top wall of the protection shell (2) are both fixedly bonded with convex cylinders (7), and the two air cylinders (6) are respectively located on the inner sides of the two convex cylinders (7).

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