Water ring vacuum pump with heating function

Abstract

The utility model discloses a water ring vacuum pump with a heating function, which belongs to the technical field of water ring vacuum pumps and comprises a pump body, a water ring box body and a drain pipe, the water ring box body is fixedly arranged on one side of the pump body, the drain pipe is arranged at the bottom of the water ring box body and extends outwards, and a metering component is arranged at the top of the drain pipe. A heating plate is transversely and fixedly arranged on the lower portion in the water ring box body, a heating wire is spirally wound on the outer wall of the heating plate, and the heating wire is turned on and off through a control switch; the metering assembly comprises a transparent metering pipe vertically communicating with the outer wall of the drainage pipe, a sealing cover arranged at the top of the transparent metering pipe in a threaded mode, two guide blocks arranged in the transparent metering pipe in a sliding mode, and a guide rod fixedly arranged between the two guide blocks. The floating ball is fixedly arranged at the bottom of the guide rod and is in contact with water; the water ring box body can be heated, internal water is prevented from being frozen, and the water ring box body is suitable for a cold environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to water ring vacuum pump technical field, concretely is a water ring vacuum pump with heating function. BACKGROUND

[0002] Water ring vacuum pumps are widely used in many industrial fields, mainly including chemical industry, pharmaceutical industry, food processing, light industry, petroleum chemical industry, metal processing, environmental protection, electric power, green manufacturing and military electronics.

[0003] The water ring vacuum pump is internally provided with an eccentric rotor with fixed blades, and liquid is thrown to the stator wall to form a liquid ring concentric with the stator, and the liquid ring and the rotor blades together form a variable volume rotary variable volume vacuum pump.

[0004] When the existing water ring vacuum pump is used in a cold environment, the water inside the cavity of the vacuum pump is prone to decrease or even freeze when the vacuum pump stops working. When working again, the staff needs to use external devices to heat the pump body, which is inconvenient. Therefore, it is necessary to provide a water pump vacuum pump with heating function. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a water ring vacuum pump with heating function to at least partly solve the above technical problems, which can heat the pump and prevent the water inside the pump body from freezing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including pump body, water ring box, drain pipe, water ring box body is fixedly arranged at one side of pump body, drain pipe is arranged at the bottom of water ring box and extends outward, the top of drain pipe is provided with metering assembly, the lower part of water ring box is fixedly arranged with heating plate, the outer wall of heating plate is spirally wound with heating wire, and the heating wire is opened and closed through control switch.

[0007] The metering assembly comprises a transparent metering pipe vertically connected to the outer wall of the drain pipe, a sealing cover threadedly arranged at the top of the transparent metering pipe, two guide blocks slidingly arranged inside the transparent metering pipe, a guide rod fixedly arranged between the two guide blocks, and a floating ball fixedly arranged at the bottom of the guide rod and in contact with water.

[0008] The outer wall of the transparent metering pipe is provided with millimeter unit scale values.

[0009] Preferably, the heating plate is an arc-shaped plate, and the inner side of the heating plate forms a cylindrical shape with the inner wall of the water ring box.

[0010] Preferably, the outer wall of the heating plate is provided with a hidden groove matched with the heating wire, the hidden groove is spirally distributed on the outer wall of the heating plate, and the heating wire is wound in the hidden groove.

[0011] Preferably, one end of the drain pipe is provided with a valve, and the transparent measuring pipe is located between the valve and the water ring box.

[0012] Preferably, the bottom of the sealing cover is provided with a threaded pipe, the inner wall of the transparent measuring pipe is provided with a threaded groove matched with the threaded pipe, and the outer wall of the threaded pipe is screwed in the threaded groove.

[0013] Preferably, the heating plate is connected with the heating wire through a wire, and the wire is arranged in the water ring box.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. When the utility model is used, the control switch is opened, so that the control switch is in a closed state, current flows through the heating wire through the wire, the heating wire generates heat, the water ring box can be heated, the water in the water ring box can be heated without using external heating equipment, and the pump body is convenient to use in a cold environment.

[0016] 2. When the utility model is used, if the water amount in the water ring box decreases when the pump body stops working, the floating ball located at the communication part of the transparent measuring pipe and the drain pipe will descend, whether the water in the water ring box is excessively insufficient is calculated through the scale value arranged on the outer wall of the transparent measuring pipe, the water amount in the water ring box is conveniently and timely observed, and the situation that the water amount in the pump body is insufficient is prevented to cause the quality of compressed gas to decrease. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is the whole three-dimensional structure schematic view of this embodiment;

[0019] Figure 2 It is the three-dimensional structure schematic view of the water ring box of this embodiment;

[0020] Figure 3 It is the side view sectional structure schematic view of the measuring assembly of this embodiment;

[0021] Figure 4 It is the three-dimensional sectional structure schematic view of the water ring box of this embodiment;

[0022] Figure 5 It is the plane structure schematic view of the heating plate of this embodiment;

[0023] Figure 6 For the A amplification structure in the embodiment Figure 3

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] 1, pump body; 2, water ring box body; 3, drain pipe; 4, metering assembly; 41, transparent metering pipe; 42, sealing cover; 44, guide rod; 45, floating ball; 43, guide block; 5, control switch; 51, heating plate; 511, heating wire; 512, hidden groove; 6, valve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-6 The present application provides a technical solution: a water ring vacuum pump with heating function, comprising a pump body 1, a water ring box body 2, and a drain pipe 3, the water ring box body 2 is fixedly arranged on one side of the pump body 1, the drain pipe 3 is arranged at the bottom of the water ring box body 2 and extends outward, the top of the drain pipe 3 is provided with a metering assembly 4, a heating plate 51 is fixedly arranged horizontally inside the water ring box body 2, heating wires 511 are spirally wound on the outer wall of the heating plate 51, and the heating wires 511 are opened and closed through a control switch 5;

[0028] The metering assembly 4 comprises a transparent metering pipe 41 vertically connected to the outer wall of the drain pipe 3, a sealing cover 42 threadedly arranged on the top of the transparent metering pipe 41, two guide blocks 43 slidingly arranged inside the transparent metering pipe 41, a guide rod 44 fixedly arranged between the two guide blocks 43, and a floating ball 45 fixedly arranged at the bottom of the guide rod 44 and in contact with water;

[0029] The outer wall of the transparent metering pipe 41 is provided with millimeter unit scale values.

[0030] When the pump body 1 needs to heat the inside of the water ring box body 2, the control switch 5 is turned on, so that the control switch 5 is in a closed state, and the current flows through the heating wires 511, so that they heat up and heat the inside of the water ring box body 2, preventing the inside of the water ring box body 2 from freezing due to low water temperature, and facilitating normal operation of the pump body 1 when it is placed again for use;

[0031] ​The water in the water ring box 2 is communicated with the drain pipe 3 through the drain pipe 3 arranged at the bottom of the water ring box 2. When the pump body 1 stops working, if the water in the water ring box 2 is reduced, the floating ball 45 located at the communication part of the transparent measuring pipe 41 and the drain pipe 3 will be lowered. The floating ball 45 is parallelly moved through the wire rod connected with the floating ball 45 and the guide block 43. Whether the water in the water ring box 2 is excessively insufficient or needs to be added is calculated through the scale value arranged on the outer wall of the transparent measuring pipe 41. The water amount in the water ring box 2 is observed in time to prevent the quality of the compressed gas from being reduced due to the insufficient water amount in the pump body 1.

[0032] Referring to Figure 4 In some embodiments, the heating plate 51 is an arc-shaped plate, and the inner side of the heating plate 51 forms a cylindrical shape with the inner wall of the water ring box 2.

[0033] The heating plate 51 is an arc-shaped plate and is flat with the inner wall of the water ring box 2, which does not affect the calculation of the water amount in the water ring box 2.

[0034] Referring to Figure 4 and Figure 5 In some embodiments, the outer wall of the heating plate 51 is provided with a hidden groove 512 matched with the heating wire 511. The hidden groove 512 is spirally arranged on the outer wall of the heating plate 51, and the heating wire 511 is wound in the hidden groove 512.

[0035] The hidden groove 512 spirally arranged on the outer wall of the heating plate 51 is used for spirally and hiddenly winding the heating wire 511 on the surface of the heating plate 51, so that the surface of the heating plate 51 is flat.

[0036] Referring to Figure 3 and Figure 6 In some embodiments, the drain pipe 3 is provided with a valve 6 at one end, and the transparent measuring pipe 41 is located between the valve 6 and the water ring box 2.

[0037] The valve 6 is arranged at one end of the drain pipe 3 and is used for draining the water in the water ring box 2. The transparent measuring pipe 41 is arranged between the valve 6 and the water ring box 2, so that the floating ball 45 is in contact with the water communicated out of the water ring box 2 and the drain pipe 3.

[0038] Referring to Figure 6 In some embodiments, the bottom of the sealing cover 42 is provided with a threaded pipe, the inner wall of the transparent measuring pipe 41 is provided with a threaded groove matched with the threaded pipe, and the outer wall of the threaded pipe is threadedly connected in the threaded groove.

[0039] The threaded pipe arranged at the bottom of the sealing cover 42 is matched with the threaded groove arranged in the transparent measuring pipe 41, so that the sealing cover 42 is threadedly fixed above the transparent measuring pipe 41 to seal the transparent measuring pipe 41.

[0040] Referring to Figure 4In some embodiments, the heating plate 51 is connected with the heating wire 511 through wires arranged inside the water ring box 2.

[0041] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0042] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0043] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water ring vacuum pump with heating function, comprising a pump body (1), a water ring box body (2), and a drain pipe (3), characterized in that: The water ring box (2) is fixedly arranged on one side of the pump body (1), the drain pipe (3) is arranged on the bottom of the water ring box (2) and extends outward, the drain pipe (3) is provided with a metering assembly (4) on the top, a heating plate (51) is fixedly arranged horizontally inside the water ring box (2), the outer wall of the heating plate (51) is spirally wound with a heating wire (511), and the heating wire (511) is opened and closed through a control switch (5). The metering assembly (4) comprises a transparent metering pipe (41) vertically communicated with the outer wall of the drain pipe (3), a sealing cover (42) threadedly arranged on the top of the transparent metering pipe (41), two guide blocks (43) slidably arranged inside the transparent metering pipe (41), a guide rod (44) fixedly arranged between the two guide blocks (43), and a floating ball (45) fixedly arranged at the bottom of the guide rod (44) and in contact with water. The outer wall of the transparent metering pipe (41) is provided with millimeter unit scale values.

2. The water ring vacuum pump with heating function according to claim 1, characterized in that: The heating plate (51) is an arc-shaped plate, and the inner side of the heating plate (51) and the inner wall of the water ring box (2) form a cylindrical shape.

3. The water ring vacuum pump with heating function according to claim 1, characterized in that: The outer wall of the heating plate (51) is provided with a hidden groove (512) matched with the heating wire (511), the hidden groove (512) is spirally arranged on the outer wall of the heating plate (51), and the heating wire (511) is wound in the hidden groove (512).

4. The water ring vacuum pump with heating function according to claim 1, characterized in that: One end of the drain pipe (3) is provided with a valve (6), and the transparent metering pipe (41) is located between the valve (6) and the water ring box (2).

5. The water ring vacuum pump with heating function according to claim 4, characterized in that: The bottom of the sealing cover (42) is provided with a threaded pipe, the inner wall of the transparent metering pipe (41) is provided with a threaded groove matched with the threaded pipe, and the outer wall of the threaded pipe is threadedly connected in the threaded groove.

6. The water ring vacuum pump with heating function according to claim 1, characterized in that: The heating plate (51) is connected with the heating wire (511) through a wire, and the wire is arranged inside the water ring box (2).

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