High-stability liquid ring vacuum pump

Abstract

The utility model discloses a high-stability liquid ring vacuum pump, which relates to the vacuum pump field, and comprises a driving motor and a pump body arranged above a bearing base, and also comprises two groups of supporting seats, the driving motor and the pump body are respectively fixedly connected with the upper sides of the two groups of supporting seats, and the upper surface of the bearing base is provided with a middle chute and two groups of side chutes. Two sets of middle sliding rods are arranged in the middle sliding groove, two sets of side sliding rods are arranged in the side sliding groove, a rotating motor is fixedly installed in the middle of one side of the bearing base, the output end of the rotating motor is fixedly connected with a lead screw shaft penetrating through the bearing base, and symmetrical threaded sections are arranged on the outer side face of the lead screw shaft. The liquid ring vacuum pump butt joint device has the advantages that the liquid ring vacuum pump and the driving motor can be quickly butted, the butt joint stability is high, the labor intensity of workers is reduced, the butt joint efficiency is improved, the liquid ring vacuum pump can be quickly disassembled and assembled, and the disassembly and assembly efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of vacuum pumps, in particular to a high-stability liquid ring vacuum pump. Background Art

[0002] Liquid ring vacuum pump is a common vacuum extraction device, used in equipment to produce medium vacuum. Its working principle is based on the ring formed by liquid and the rotational movement of the rotor. The pump usually consists of a cylindrical metal body with a liquid ring and a rotor inside. The liquid ring is composed of water or other liquids, fixed in the pump housing, and plays the role of sealing, cooling and compressing the gas. The rotor inside the pump is driven to rotate by the motor, sucking the gas from the inlet and compressing it to the outlet to achieve the purpose of extracting the gas. Liquid ring vacuum pump is widely used in industry, laboratories and other fields, and is a reliable vacuum extraction equipment.

[0003] After searching, the patent number is CN213745949U, which discloses a bipolar liquid ring vacuum pump. By setting a shock-absorbing spring 1, a shock-absorbing spring 1, a rubber shock-absorbing disc 1, and a rubber shock-absorbing disc 2, the vibration generated by the motor and the pump body is reduced and transmitted to the base, thereby solving the problems of high noise and low service life in the prior art. However, when using the existing liquid ring vacuum pump, it is usually necessary for the staff to dock it with the drive motor, but the efficiency of manual docking is relatively low, and the docking stability is relatively poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a high-stability liquid ring vacuum pump. When the existing liquid ring vacuum pump is in use, it is usually necessary for workers to dock it with a drive motor, but the efficiency of manual docking is relatively low and the docking stability is relatively poor.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a high-stability liquid ring vacuum pump, including a driving motor and a pump body arranged above a bearing base, and also including two groups of support seats, and the driving motor and the pump body are respectively fixedly connected to the upper sides of the two groups of support seats, and the upper surface of the bearing base is provided with a middle slide groove and two groups of side slide grooves, two groups of middle slide rods are arranged inside the middle slide groove, and two groups of side slide rods are arranged inside the side slide groove.

[0006] As a further solution of the utility model: a rotating motor is fixedly installed in the middle position of one side of the bearing base, the output end of the rotating motor is fixedly connected to a screw shaft penetrating the bearing base, and the outer side surface of the screw shaft is provided with symmetrical threaded sections.

[0007] As a further solution of the utility model: a threaded hole is penetrated through one end of the two groups of intermediate slide rods, and the two groups of intermediate slide rods are respectively threadedly connected to the screw shaft through the threaded holes, and the two groups of side slide grooves are symmetrically arranged with respect to the intermediate slide groove.

[0008] As a further solution of the utility model: the output end of the driving motor is fixedly connected with a rotating shaft, one end of the pump body is installed with a card shell, and the rotating shaft and the card shell are matched.

[0009] As a further solution of the utility model: a connecting rod is fixedly connected to the upper surface of the middle sliding rod, a plug-in rod is fixedly connected to the upper surface of the side sliding rod, a connecting groove is opened in the middle position of the lower surface of the two groups of support seats, plug-in holes are opened through the lower surfaces of the two groups of support seats near the corners, and clamping rods are arranged on the top of the supporting base near both sides.

[0010] As a further solution of the utility model: the two groups of connecting rods are connected to the two groups of supporting seats through connecting grooves respectively, and the four groups of plug-in rods are connected to the supporting seats through four groups of plug-in holes.

[0011] As a further solution of the utility model: a clamping hole is formed through the plug-in rod, and the clamping rod is connected to the four groups of plug-in rods through the clamping hole.

[0012] The utility model adopts the above technical scheme, and has the following advantages compared with the prior art: by starting the rotating motor on one side of the bearing base to drive the screw shaft to rotate, the two groups of middle slide bars are driven to move relative to each other along the middle slide groove under the cooperation of the symmetrical threaded sections and the threaded holes, and then the two groups of support seats are moved relative to each other through the cooperation of the two groups of side slide bars and the two groups of side slide grooves until the rotating shaft on the driving motor is engaged with the card shell on the pump body, thereby realizing the rapid docking function of the liquid ring vacuum pump and the driving motor, and the docking stability is relatively high, and the labor intensity of the staff is reduced, and the docking efficiency is improved.

[0013] The clamping rod is separated from the four groups of plug-in rods through the four groups of clamping holes until the two groups of clamping rods are removed, and then the supporting seat is separated from the middle sliding rod and the side sliding rod respectively through the connecting rod and the connecting groove in conjunction with the four groups of plug-in rods and the four groups of plug-in holes, thereby realizing the rapid disassembly and assembly function of the liquid ring vacuum pump with high disassembly and assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a high-stability liquid ring vacuum pump in an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure of the support base in the embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure of the support base in the embodiment of the utility model;

[0017] Figure 4 It is a top view of a high-stability liquid ring vacuum pump in an embodiment of the utility model.

[0018] In the figure: 1. bearing base; 2. driving motor; 3. pump body; 4. rotating shaft; 5. card shell; 6. supporting seat; 7. rotating motor; 8. screw shaft; 9. middle slide groove; 10. side slide groove; 11. middle slide rod; 12. side slide rod; 13. threaded hole; 14. connecting rod; 15. connecting groove; 16. plug-in rod; 17. plug-in hole; 18. card hole; 19. card rod. DETAILED DESCRIPTION

[0019] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0020] Example 1, please refer to Figure 1-Figure 4 A high-stability liquid ring vacuum pump includes a driving motor 2 and a pump body 3 arranged above a bearing base 1, and also includes two groups of support seats 6, and the driving motor 2 and the pump body 3 are respectively fixedly connected to the upper sides of the two groups of support seats 6, and a middle slide groove 9 and two groups of side slide grooves 10 are opened on the upper surface of the bearing base 1, two groups of middle slide bars 11 are arranged inside the middle slide groove 9, and two groups of side slide bars 12 are arranged inside the side slide groove 10.

[0021] A rotating motor 7 is fixedly installed in the middle position of one side of the supporting base 1, and the output end of the rotating motor 7 is fixedly connected to a screw shaft 8 that passes through the supporting base 1. The outer side of the screw shaft 8 is provided with symmetrical threaded sections. One end of the two groups of intermediate sliding rods 11 are penetrated by threaded holes 13, and the two groups of intermediate sliding rods 11 are threadedly connected to the screw shaft 8 through the threaded holes 13 respectively, and the two groups of side sliding grooves 10 are symmetrically arranged about the intermediate sliding groove 9.

[0022] In this embodiment, the screw shaft 8 is threadedly connected to the intermediate sliding rod 11 so that the two groups of intermediate sliding rods 11 can move relatively along the intermediate sliding groove 9 .

[0023] The output end of the driving motor 2 is fixedly connected with a rotating shaft 4 , and a card housing 5 is installed at one end of the pump body 3 , and the rotating shaft 4 and the card housing 5 are matched.

[0024] In this embodiment, the driving motor 2 is connected to the pump body 3 through the cooperation between the rotating shaft 4 and the locking shell 5 .

[0025] Specifically, by starting the rotating motor 7 on one side of the supporting base 1 to drive the screw shaft 8 to rotate, the two groups of middle slide bars 11 are driven to move relative to each other along the middle slide groove 9 under the cooperation of the symmetrical threaded sections and the threaded holes 13, and then the two groups of support seats 6 are moved relative to each other through the cooperation of the two groups of side slide bars 12 and the two groups of side slide grooves 10, until the rotating shaft 4 on the driving motor 2 is engaged with the card shell 5 on the pump body 3, thereby realizing the rapid docking function of the liquid ring vacuum pump and the driving motor 2, and the docking stability is relatively high, and the labor intensity of the staff is reduced, and the docking efficiency is improved.

[0026] Example 2, please refer to Figure 1-Figure 4 A high-stability liquid ring vacuum pump, the upper surface of the middle slide bar 11 is fixedly connected with a connecting rod 14, the upper surface of the side slide bar 12 is fixedly connected with a plug-in rod 16, the middle position of the lower surface of the two groups of support seats 6 is provided with a connecting groove 15, the lower surface of the two groups of support seats 6 is penetrated by plug-in holes 17 near the corners, and the upper part of the supporting base 1 is provided with clamping rods 19 near both sides.

[0027] The two groups of connecting rods 14 are connected to the two groups of supporting seats 6 through the connecting grooves 15 respectively, and the four groups of plug-in rods 16 are connected to the supporting seats 6 through the four groups of plug-in holes 17 .

[0028] In this embodiment, the support seat 6 is connected to the middle sliding rod 11 and the side sliding rod 12 through the connection rod 14 and the connection groove 15 in conjunction with the four groups of plugging rods 16 and the four groups of plugging holes 17 .

[0029] A clamping hole 18 is formed through the plug-in rod 16 , and the clamping rod 19 is connected to the four groups of plug-in rods 16 through the clamping hole 18 .

[0030] In this embodiment, the relative positions of the plug-in rod 16 and the support seat 6 are fixed by the cooperation between the clamping rod 19 and the clamping hole 18 .

[0031] Specifically, the clamping rod 19 is separated from the four groups of plug-in rods 16 through the four groups of clamping holes 18 until the two groups of clamping rods 19 are removed, and then the supporting seat 6 is separated from the middle sliding rod 11 and the side sliding rod 12 respectively through the connecting rod 14 and the connecting groove 15 in conjunction with the four groups of plug-in rods 16 and the four groups of plug-in holes 17, thereby realizing the rapid disassembly and assembly function of the liquid ring vacuum pump with high disassembly and assembly efficiency.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A high-stability liquid ring vacuum pump, comprising a drive motor (2) and a pump body (3) arranged above a bearing base (1), characterized in that: It also includes two groups of support seats (6), and the drive motor (2) and the pump body (3) are respectively fixedly connected to the upper sides of the two groups of support seats (6). The upper surface of the bearing base (1) is provided with a middle slide groove (9) and two groups of side slide grooves (10). Two groups of middle slide bars (11) are arranged inside the middle slide groove (9), and two groups of side slide bars (12) are arranged inside the side slide groove (10).

2. A high stability liquid ring vacuum pump according to claim 1, characterized in that: A rotating motor (7) is fixedly mounted in the middle of one side of the bearing base (1); an output end of the rotating motor (7) is fixedly connected to a screw shaft (8) that passes through the bearing base (1); and a symmetrical threaded section is provided on the outer side surface of the screw shaft (8).

3. A high stability liquid ring vacuum pump according to claim 2, characterized in that: One end of the two groups of intermediate slide bars (11) is penetrated by a threaded hole (13), and the two groups of intermediate slide bars (11) are respectively threadedly connected to the screw shaft (8) through the threaded holes (13), and the two groups of side slide grooves (10) are symmetrically arranged with respect to the intermediate slide groove (9).

4. A high stability liquid ring vacuum pump according to claim 1, characterized in that: The output end of the driving motor (2) is fixedly connected to a rotating shaft (4), one end of the pump body (3) is provided with a card housing (5), and the rotating shaft (4) and the card housing (5) are matched.

5. A high stability liquid ring vacuum pump according to claim 3, characterized in that: The upper surface of the middle slide bar (11) is fixedly connected to a connecting rod (14), the upper surface of the side slide bar (12) is fixedly connected to a plug-in rod (16), the middle position of the lower surface of the two groups of support seats (6) is provided with a connecting groove (15), the lower surface of the two groups of support seats (6) is penetrated by plug-in holes (17) near the corners, and the upper side of the supporting base (1) is provided with clamping rods (19) near both sides.

6. A high stability liquid ring vacuum pump according to claim 5, characterized in that: The two groups of connecting rods (14) are connected to the two groups of supporting seats (6) via connecting grooves (15) respectively, and the four groups of plug-in rods (16) are connected to the supporting seats (6) via four groups of plug-in holes (17).

7. A high stability liquid ring vacuum pump according to claim 6, characterized in that: The plug-in rod (16) is provided with a clamping hole (18) extending therethrough, and the clamping rod (19) is connected to the four groups of plug-in rods (16) via the clamping hole (18).

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