Temperature control device of screw vacuum pump

Abstract

The utility model relates to the technical field of screw type vacuum pump temperature control, in particular to a screw type vacuum pump temperature control device which comprises an installation piece, a connecting rod, a cooling ring, a fan blade, a connecting shaft rod, a rotating motor, a first bolt and a second bolt, a first screw hole is formed in the inner side of the cooling ring, and an installation ring is arranged on the outer side of the cooling ring. A first screw hole is formed in the outer side of the fan blade, a mounting ring is fixedly connected to the outer side of the fan blade, second screw holes are uniformly formed in the inner side of the mounting ring, the second screw holes are communicated with the first screw hole, a dust cover is fixedly connected to the outer side of the mounting ring, and the dust cover is connected to the outer side of the fan blade and the outer side of the connecting shaft rod in a sleeving mode. When the dustproof cover needs to be cleaned or replaced, the first bolt is rotated, and the mounting ring and the dustproof cover are dismounted together, so that the dustproof cover can be cleaned, and the mounting ring and the dustproof cover can be mounted through reverse operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw rod vacuum pump temperature control technical field, concretely is a screw rod vacuum pump temperature control device. BACKGROUND

[0002] Screw rod vacuum pump is the suction equipment that utilizes a pair of screw rods, and the gas suction and exhaust action produced in the synchronous high speed reverse rotation in the pump shell, it is the updated product of oil seal type vacuum pump, can remove the gas field containing a large amount of water vapor and a small amount of dust, in the domestic pharmaceutical, chemical industry, semiconductor and other enterprises fields of higher demand for clean vacuum, screw rod vacuum pump can produce certain heat in the working process, if not heat in time, it can cause the pump body temperature to rise, further influence the performance and life of pump, therefore, screw rod vacuum pump temperature control device emerges as the times require, it monitors and controls the temperature of pump body, ensures that the pump runs in the optimum working temperature range.

[0003] In the "a screw rod vacuum pump temperature control device" with the authorization announcement number "CN111502994B", when the input voltage of the rotating motor is increased to make the heat greater, the input voltage of the rotating motor is also increased to drive the rotating rod to rotate more quickly to improve the strength of the wind power, the dust in the air is blocked by the filter of the dust cover, so that the dust carried by the wind flow generated by the fan blade does not affect the operation of the vacuum pump, but with the long-term use, the dust cover will accumulate dust, thereby affecting the effect of the dust cover, and the dust cover is fixed on one side of the cooling ring, so that the dust cover is not convenient to replace or clean, therefore, the screw rod vacuum pump temperature control device is provided for the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a screw rod vacuum pump temperature control device to solve the problem that the dust cover of the screw rod vacuum pump temperature control device is inconvenient to replace or clean.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A screw rod vacuum pump temperature control device, including mounting piece, connecting rod, cooling ring, liquid inlet tank, liquid replacement tank, communicating piece, fan blade, connecting shaft, rotating motor, first bolt and second bolt, the inside of cooling ring is equipped with first screw hole, the outside of cooling ring is provided with mounting ring, the inside of mounting ring is equipped with the second screw hole that is evenly arranged, the second screw hole is linked with first screw hole, first bolt penetrates first screw hole and second screw hole, the outside of mounting ring is fixedly connected with dust cover, the dust cover is sleeved on the outside of fan blade and connecting shaft.

[0007] Preferably, one side of the mounting piece is fixedly connected with a connecting rod, one end of the connecting rod away from the mounting piece is slidably connected with a cooling ring, the top of the cooling ring is provided with a liquid inlet tank, one side of the cooling ring is provided with a communicating piece, the communicating piece is communicated with a liquid change tank, the liquid change tank is installed on the top of the mounting piece, the inside of the cooling ring is provided with evenly arranged fan blades, the output shaft of the rotating motor is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with the fan blades.

[0008] Preferably, the inside of the dust cover is provided with a through hole, and the rotating motor is arranged inside the through hole.

[0009] Preferably, the outside of the dust cover is fixedly connected with a mounting plate, the top of the mounting plate is provided with an elastic pad, and the rotating motor is attached to the top of the elastic pad.

[0010] Preferably, the inside of the mounting plate is provided with a third screw hole, the inside of the elastic pad is provided with a fourth screw hole communicated with the third screw hole, and the second screw passes through the third screw hole and the fourth screw hole.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, when the dust cover needs to be cleaned or replaced, the first screw is rotated, the first screw is separated from the first screw hole and the second screw hole, the mounting ring and the cooling ring are not limited, the mounting ring and the dust cover can be disassembled together, the dust cover can be cleaned, and the mounting ring and the dust cover can be installed through reverse operation. BRIEF DESCRIPTION OF DRAWINGS

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

[0014] Figure 2 It is a structure schematic view of the utility model Figure 1 at A;

[0015] Figure 3 It is a mounting structure schematic view of the mounting ring of the utility model;

[0016] Figure 4 It is a structure schematic view of the mounting plate of the utility model.

[0017] In the figure: 1, mounting piece; 2, connecting rod; 3, cooling ring; 4, liquid inlet tank; 5, liquid replacement tank; 6, connecting piece; 7, fan blade; 8, connecting shaft; 9, rotating motor; 10, first screw hole; 11, mounting ring; 12, second screw hole; 13, dust cover; 14, first bolt; 15, through hole; 16, mounting plate; 17, elastic pad; 18, third screw hole; 19, second bolt; 20, fourth screw hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0019] It is to be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used herein specify the presence of stated features, steps, operations, devices, components and / or combinations thereof.

[0020] Unless specifically stated otherwise, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in the various examples herein are not limiting of the scope of the present application. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The description and drawings are to be regarded in an illustrative manner, resulting only in the provision of examples of embodiments of the application. Methods and devices known by those of ordinary skill in the art can not be discussed in detail, but should be considered as part of the specification, where appropriate. In all examples shown and discussed herein, any particular value should be interpreted as merely an example, and not as a limitation. Thus, other examples of the exemplary embodiments can have different values. It is noted that like numbers and letters refer to like elements throughout the several views of the drawings, and that the use of or insertion of a prime, double prime, or other notations does not necessarily imply any order or sequence unless specifically stated.

[0021] In the description of the utility model, it is understood that the orientation words such as '' front, back, top, bottom, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship usually based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0022] For the convenience of description, spatial relative terms such as '' above'', '' above'', '' upper surface'', '' upper '' and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing.It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing.For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures.Exemplary terms '' above '' can include both '' above '' and '' below ''.The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0023] In addition, it should be noted that the use of '' first'', '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it can not be understood as the limitation of the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] A screw rod type vacuum pump temperature control device, including mounting piece 1, connecting rod 2, cooling ring 3, liquid inlet tank 4, liquid change tank 5, communication piece 6, fan blade 7, connecting shaft 8, rotating motor 9, first bolt 14 and second bolt 19, the inside of cooling ring 3 is set with first screw hole 10, the outside of cooling ring 3 is provided with mounting ring 11, the inside of mounting ring 11 is set with the second screw hole 12 that is evenly arranged, the second screw hole 12 is communicated with first screw hole 10, first bolt 14 penetrates first screw hole 10 and second screw hole 12, the outside of mounting ring 11 is fixedly connected with dust cover 13, dust cover 13 is sleeved on the outside of fan blade 7 and connecting shaft 8, this kind of setting makes it convenient to replace or clean dust cover 13 for solving the problem of screw rod type vacuum pump temperature control device.

[0026] The side of the mounting piece 1 is fixedly connected with a connecting rod 2, the end of the connecting rod 2 away from the mounting piece 1 is slidably connected with a cooling ring 3, the top of the cooling ring 3 is provided with a liquid inlet tank 4, one side of the cooling ring 3 is provided with a communicating piece 6, the communicating piece 6 is communicated with a liquid changing tank 5, the liquid changing tank 5 is installed on the top of the mounting piece 1, the inner side of the cooling ring 3 is provided with evenly arranged fan blades 7, the output shaft end of a rotating motor 9 is fixedly connected with a connecting shaft 8, the connecting shaft 8 is fixedly connected with the fan blades 7, so that the mounting piece 1, the connecting rod 2, the cooling ring 3, the liquid inlet tank 4, the liquid changing tank 5 and the communicating piece 6 can be used in cooperation; the inner side of the dust cover 13 is provided with a through hole 15, the rotating motor 9 is arranged on the inner side of the through hole 15, so that the rotating motor 9 will not affect the disassembly and assembly of the dust cover 13; the outer side of the dust cover 13 is fixedly connected with a mounting plate 16, the top of the mounting plate 16 is provided with an elastic pad 17, the rotating motor 9 is attached to the top of the elastic pad 17, so that the rotating motor 9 can be supported by the mounting plate 16 and the elastic pad 17; the inner side of the mounting plate 16 is provided with a third threaded hole 18, the inner side of the elastic pad 17 is provided with a fourth threaded hole 20 communicated with the third threaded hole 18, a second bolt 19 penetrates through the third threaded hole 18 and the fourth threaded hole 20, so that the elastic pad 17 can be detachably installed.

[0027] Workflow: all electric appliances in the utility model are provided with external power supply or built-in battery, when the screw rod type vacuum pump temperature control device is used to control the temperature of the screw rod type vacuum pump, the screw rod type vacuum pump temperature control device is installed on the outside of the screw rod type vacuum pump through the mounting piece 1, then the cooling ring 3 and the connecting rod 2 are relatively slid, so that the back side of the cooling ring 3 corresponds to the vacuum pump motor, the circuit of the rotating motor 9 is connected in series with the circuit of the vacuum pump motor, when the vacuum pump motor starts, the rotating motor 9 is started through the series circuit, the output shaft of the rotating motor 9 drives the connecting shaft 8 to rotate, the connecting shaft 8 drives the fan blade 7 to rotate, the wind flow generated blows from one end of the vacuum pump to the other end, the heat of the running vacuum pump is dissipated by the wind power, and because the rotating motor 9 and the vacuum pump motor are in series, when the input voltage of the vacuum pump motor is greater, the input voltage of the rotating motor 9 is also increased, so that the connecting shaft 8 rotates more quickly to improve the strength of the wind power, the suction end of the fan blade 7 is filtered by the dust cover 13, the dust cover 13 blocks the flying dust in the air, so that the wind flow generated by the fan blade 7 does not carry a large amount of flying dust to affect the operation of the vacuum pump, the cooling ring 3, the liquid inlet tank 4, the liquid replacement tank 5 and the communication piece 6 are used in cooperation to further control the temperature, the working principle can refer to the "screw rod type vacuum pump temperature control device" with the authorized announcement number "CN111502994B", with the long-time use, dust will accumulate on the dust cover 13, when the dust cover 13 is cleaned or replaced, the first bolt 14 is rotated, so that the first bolt 14 is separated from the first screw hole 10 and the second screw hole 12, so that the limiting of the mounting ring 11 and the cooling ring 3 is cancelled, the mounting ring 11 and the dust cover 13 can be disassembled together, so that the dust cover 13 can be cleaned, in the process of disassembling the dust cover 13, the rotating motor 9 is separated from the dust cover 13 from the through hole 15, so that the rotating motor 9 does not affect the disassembly of the dust cover 13, when the elastic pad 17 is replaced, the second bolt 19 is rotated, so that the second bolt 19 is sequentially separated from the third screw hole 18 and the fourth screw hole 20, then the elastic pad 17 is separated from the mounting plate 16, so that the elastic pad 17 is disassembled, the reverse operation can realize the installation of the mounting ring 11 and the dust cover 13, the reverse operation can realize the installation of the elastic pad 17, the problem that the screw rod type vacuum pump temperature control device is not convenient to replace or clean the dust cover 13 is solved, in daily use, the rotating motor 9 is placed on the top of the mounting plate 16 and the elastic pad 17, and the rotating motor 9 is supported by the mounting plate 16 and the elastic pad 17.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A screw vacuum pump temperature control device, comprising a mounting piece (1), a connecting rod (2), a cooling ring (3), a liquid inlet tank (4), a liquid exchange tank (5), a communication piece (6), a fan blade (7), a connecting shaft (8), a rotating motor (9), a first bolt (14) and a second bolt (19), characterized in that: The inner side of the cooling ring (3) is provided with a first screw hole (10), the outer side of the cooling ring (3) is provided with a mounting ring (11), the inner side of the mounting ring (11) is provided with a second screw hole (12) arranged uniformly, the second screw hole (12) is communicated with the first screw hole (10), the first bolt (14) penetrates the first screw hole (10) and the second screw hole (12), and the outer side of the mounting ring (11) is fixedly connected with a dust cover (13).

2. A temperature control device for a screw vacuum pump according to claim 1, characterized in that: One side of the mounting piece (1) is fixedly connected with a connecting rod (2), one end of the connecting rod (2) away from the mounting piece (1) is slidably connected with a cooling ring (3), the top of the cooling ring (3) is provided with a liquid inlet tank (4), one side of the cooling ring (3) is provided with a communication piece (6), the communication piece (6) is communicated with a liquid change tank (5), the liquid change tank (5) is installed on the top of the mounting piece (1), the inner side of the cooling ring (3) is provided with a fan blade (7) arranged uniformly, the output shaft of the rotating motor (9) is fixedly connected with a connecting shaft (8), and the connecting shaft (8) is fixedly connected with the fan blade (7).

3. A temperature control device for a screw vacuum pump according to claim 1, characterized in that: The inner side of the dust cover (13) is provided with a through hole (15), and the rotating motor (9) is arranged on the inner side of the through hole (15).

4. A temperature control device for a screw vacuum pump according to claim 1, characterized in that: The outer side of the dust cover (13) is fixedly connected with a mounting plate (16), the top of the mounting plate (16) is provided with an elastic pad (17), and the rotating motor (9) is attached to the top of the elastic pad (17).

5. A temperature control device for a screw vacuum pump according to claim 4, characterized in that: The inner side of the mounting plate (16) is provided with a third screw hole (18), the inner side of the elastic pad (17) is provided with a fourth screw hole (20) communicated with the third screw hole (18), and the second bolt (19) penetrates the third screw hole (18) and the fourth screw hole (20).

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