Single screw pump

Abstract

The utility model relates to the technical field of single-screw pumps, specifically a single-screw pump, comprising a base, the inner wall of the base is slidably connected to the outer wall of a sliding member, the inner wall of the sliding member is threadedly connected to the outer wall of a rotating member, the outer wall of the rotating member is rotatably connected to the inner wall of the base, the inner wall of the base is movably abutted against the outer wall of a bottom of a support member, the inner wall of the support member is slidably connected to the outer wall of a fixing member, the outer wall of the fixing member is threadedly connected to the inner wall of the base, the connection between the output shaft of a drive motor and the single-screw pump is cut off, the rotating ring is rotated, the rotating ring drives the worm to rotate, the worm drives the threaded rod to rotate through the worm gear, the threaded rod drives the sliding plate to slide, the sliding plate drives the drive motor to slide, the distance between the drive motor and the single-screw pump is adjusted, so that people can quickly install the coupling between the drive motor and the single-screw pump, which brings convenience to people's use.

Description

Technical Field

[0001] The utility model relates to the technical field of single screw pumps, in particular to a single screw pump. Background Art

[0002] The single screw pump is a rotor type positive displacement pump, which relies on the meshing of the screw and the bushing to produce volume changes in the suction chamber and the discharge chamber to transport liquid. The single screw pump is an internal meshing closed screw pump. The main working parts are composed of a bushing and a single-headed spiral screw meshing with it in the stator cavity. It has the characteristics of strong adaptability to the medium, stable flow, small pressure pulsation, and high self-priming ability.

[0003] At present, most of the single screw pumps on the market require the single screw pump and the drive motor to be disassembled and adjusted in position before the coupling is installed, which brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the utility model is to provide a single screw pump to solve the problem in the above background technology that the single screw pump and the drive motor need to be disassembled and adjusted in position before the coupling can be installed. To achieve the above purpose, the utility model provides the following technical solution: a single screw pump, comprising a base, the inner wall of the base is slidably connected to the outer wall of the sliding member, the inner wall of the sliding member is threadedly connected to the outer wall of the rotating member, the outer wall of the rotating member is rotatably connected to the inner wall of the base, and the inner wall of the base is movably abutted against the outer wall of the bottom of the support member.

[0005] The inner wall of the support member is slidably connected to the outer wall of the fixing member, and the outer wall of the fixing member is threadedly connected to the inner wall of the base.

[0006] Preferably, the base includes a base and a supporting shell, one side of the base is fixedly connected to one side of the supporting shell, and a sliding groove is provided at the top of one side of the base, a rotating hole is provided on one side of the inner wall of the sliding groove, and a fixing groove is provided at the top of the base, a fixing threaded hole is provided on the inner top wall of the fixing groove, and a supporting hole is provided on the inner wall of the supporting shell.

[0007] Preferably, the sliding member is composed of a sliding plate, a driving motor and a single-screw pump, the outer wall of the sliding plate is slidably connected to the inner wall of the sliding groove, and the top of the sliding plate is fixedly connected to the bottom of the driving motor, the output end of the driving motor is snap-connected to one side of the single-screw pump, and a sliding threaded hole is provided on the inner wall of the sliding plate.

[0008] Preferably, the rotating member includes a threaded rod, a worm wheel, a worm and a rotating ring, the outer wall of one end of the threaded rod is rotatably connected to the inner wall of the rotating hole, and the outer wall of the threaded rod is threadedly connected to the inner wall of the sliding threaded hole, the other end of the threaded rod passes through one side of the inner wall of the sliding groove and extends to the outside of the base, and the outer wall of the threaded rod at one end outside the base is snap-connected with the inner wall of the worm wheel, the outer wall of the worm wheel is meshed with the outer wall of the worm, and the outer wall of the back end of the worm is rotatably connected to the inner wall of the supporting hole, one end of the front side of the worm passes through the inner wall of the supporting shell and extends to the outside, and the front side of the worm at one end outside the supporting shell is fixedly connected to the back side of the rotating ring.

[0009] Preferably, the support member consists of a support block, a fixed block and a spring, the outer wall of the bottom of the support block is movably abutted against the inner wall of the fixed groove, and a connecting hole is provided on the inner wall of the support block, the inner wall of the connecting hole is fixedly sleeved with the outer wall of the single-screw pump, and the front side of the support block is fixedly connected to the back side of the fixed block, a connecting groove is provided on the front side of the support block, and the inner bottom wall of the connecting groove is fixedly connected to the top of the spring, and a fixing hole is provided on the inner wall of the fixed block.

[0010] Preferably, the fixing part includes a connecting block, a fixing plate and a fixing bolt, the outer wall of the connecting block is slidably connected to the inner wall of the connecting groove, and the top of the connecting block is fixedly connected to the bottom of the spring, the front of the connecting block is fixedly connected to the back of the fixing plate, and the inner wall of the fixing plate is provided with a hexagonal limiting hole, the inner wall of the hexagonal limiting hole is movably socketed with the outer wall of the top of the fixing bolt, and the outer wall of the fixing bolt is movably abutted against the inner wall of the fixing hole, and the outer wall of the bottom of the fixing bolt is threadedly connected to the inner wall of the fixing threaded hole.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the connection between the output shaft of the driving motor and the single screw pump is cut off, and the rotating ring is rotated, which drives the worm to rotate. The worm drives the threaded rod to rotate through the worm gear, and the threaded rod drives the sliding plate to slide. The sliding plate drives the driving motor to slide, and the distance between the driving motor and the single screw pump is adjusted, so that people can quickly install the coupling between the driving motor and the single screw pump, which brings convenience to people's use.

[0013] In the utility model, when fixing the single screw pump, the support block and the fixing block are installed in the fixing groove, the fixing plate is lifted, the fixing bolt is inserted from the fixing hole into the fixing threaded hole and tightened, and the spring rebounds to push the fixing plate so that the hexagonal limiting hole of the fixing plate covers the fixing bolt, thereby preventing the fixing bolt from loosening due to vibration generated when the single screw pump is working, which brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0018] In the figure: 1. base; 101. base; 102. support shell; 2. sliding member; 201. sliding plate; 202. drive motor; 203. single screw pump; 3. rotating member; 301. threaded rod; 302. worm gear; 303. worm; 304. rotating ring; 4. supporting member; 401. supporting block; 402. fixing block; 403. spring; 5. fixing member; 501. connecting block; 502. fixing plate; 503. fixing bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a single-screw pump, including a base 1, the inner wall of the base 1 is slidably connected to the outer wall of a sliding member 2, the inner wall of the sliding member 2 is threadedly connected to the outer wall of a rotating member 3, the outer wall of the rotating member 3 is rotatably connected to the inner wall of the base 1, and the inner wall of the base 1 is movably abutted against the outer wall of the bottom of a support member 4.

[0021] The inner wall of the support member 4 is slidably connected to the outer wall of the fixing member 5 , and the outer wall of the fixing member 5 is threadedly connected to the inner wall of the base 1 .

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the base 1 includes a base 101 and a support shell 102, one side of the base 101 is fixedly connected to one side of the support shell 102, and a sliding groove is provided at the top of one side of the base 101, a rotating hole is provided on one side of the inner wall of the sliding groove, and a fixing groove is provided at the top of the base 101, a fixing threaded hole is provided on the inner top wall of the fixing groove, and a supporting hole is provided on the inner wall of the support shell 102.

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the sliding member 2 is composed of a sliding plate 201, a driving motor 202 and a single screw pump 203. The single screw pump is generally a G90 series screw pump, but may also be other compatible screw pumps. The outer wall of the sliding plate 201 is slidingly connected to the inner wall of the sliding groove, and the top of the sliding plate 201 is fixedly connected to the bottom of the driving motor 202. The output end of the driving motor 202 is snap-connected to one side of the single screw pump 203, and a sliding threaded hole is provided on the inner wall of the sliding plate 201, and the driving motor 202 provides power for the single screw pump 203.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the rotating member 3 includes a threaded rod 301, a worm wheel 302, a worm 303 and a rotating ring 304, the outer wall of one end of the threaded rod 301 is rotatably connected to the inner wall of the rotating hole, and the outer wall of the threaded rod 301 is threadedly connected to the inner wall of the sliding threaded hole, the other end of the threaded rod 301 passes through one side of the inner wall of the sliding groove and extends to the outside of the base 101, and the outer wall of the threaded rod 301 at one end outside the base 101 is snap-connected with the inner wall of the worm wheel 302, the outer wall of the worm wheel 302 is meshedly connected with the outer wall of the worm 303, and the outer wall of the back end of the worm 303 is rotatably connected to the inner wall of the supporting hole, and the front end of the worm 303 passes through the inner wall of the supporting shell 102. The inner wall extends to the outside, and the worm 303 is located at the front side of one end of the outside of the support shell 102 and is fixedly connected to the back side of the rotating ring 304, cutting off the connection between the output shaft of the drive motor 202 and the single screw pump 203, rotating the rotating ring 304, and the rotating ring 304 drives the worm 303 to rotate, and the worm 303 drives the threaded rod 301 to rotate through the worm gear 302, and the threaded rod 301 drives the sliding plate 201 to slide, and the sliding plate 201 drives the drive motor 202 to slide, and the distance between the drive motor 202 and the single screw pump 203 is adjusted, so that people can quickly install the coupling between the drive motor 202 and the single screw pump 203.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the support member 4 is composed of a support block 401, a fixed block 402 and a spring 403. The outer wall of the bottom of the support block 401 is movably abutted against the inner wall of the fixed groove, and a connecting hole is provided on the inner wall of the support block 401. The inner wall of the connecting hole is fixedly sleeved with the outer wall of the single-screw pump 203, and the front of the support block 401 is fixedly connected to the back of the fixed block 402. A connecting groove is provided on the front of the support block 401, and the inner bottom wall of the connecting groove is fixedly connected to the top of the spring 403. A fixing hole is provided on the inner wall of the fixed block 402. When fixing the single-screw pump 203, the support block 401 and the fixed block 402 are installed in the fixing groove.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the fixing member 5 includes a connecting block 501, a fixing plate 502 and a fixing bolt 503. The outer wall of the connecting block 501 is slidably connected to the inner wall of the connecting groove, and the top of the connecting block 501 is fixedly connected to the bottom of the spring 403. The front of the connecting block 501 is fixedly connected to the back of the fixing plate 502, and the inner wall of the fixing plate 502 is provided with a hexagonal limiting hole. The inner wall of the hexagonal limiting hole is movably sleeved with the outer wall of the top of the fixing bolt 503, and the outer wall of the fixing bolt 503 is movably abutted against the inner wall of the fixing hole. The outer wall of the bottom of the fixing bolt 503 is threadedly connected with the inner wall of the fixing threaded hole. The fixing plate 502 is lifted, and the fixing bolt 503 is inserted into the fixing threaded hole from the fixing hole and tightened. The spring 403 rebounds and pushes the fixing plate 502, so that the hexagonal limiting hole of the fixing plate 502 covers the fixing bolt 503, thereby preventing the fixing bolt 503 from loosening due to the vibration generated during the operation of the single-screw pump 203.

[0027] The use method and advantages of the utility model: When the single screw pump is working, the working process is as follows:

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the connection between the output shaft of the drive motor 202 and the single screw pump 203 is cut off, the rotating ring 304 is rotated, the rotating ring 304 drives the worm 303 to rotate, the worm 303 drives the threaded rod 301 to rotate through the worm gear 302, the threaded rod 301 drives the sliding plate 201 to slide, the sliding plate 201 drives the drive motor 202 to slide, and the distance between the drive motor 202 and the single screw pump 203 is adjusted, so that people can quickly install the coupling between the drive motor 202 and the single screw pump 203. When fixing the single screw pump 203, the support block 401 and the fixing block 402 are installed in the fixing groove, the fixing plate 502 is lifted, the fixing bolt 503 is inserted from the fixing hole into the fixing threaded hole and tightened, the spring 403 rebounds and pushes the fixing plate 502, so that the hexagonal limit hole of the fixing plate 502 covers the fixing bolt 503, thereby preventing the vibration generated when the single screw pump 203 is working from causing the fixing bolt 503 to loosen.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A single screw pump, comprising a base (1), characterized in that: The inner wall of the base (1) is slidably connected to the outer wall of the sliding member (2), the inner wall of the sliding member (2) is threadedly connected to the outer wall of the rotating member (3), the outer wall of the rotating member (3) is rotatably connected to the inner wall of the base (1), and the inner wall of the base (1) is movably abutted against the outer wall of the bottom of the support member (4); The inner wall of the support member (4) is slidably connected to the outer wall of the fixing member (5), and the outer wall of the fixing member (5) is threadedly connected to the inner wall of the base (1).

2. The single screw pump according to claim 1, characterized in that: The base (1) comprises a pedestal (101) and a support shell (102); one side of the pedestal (101) is fixedly connected to one side of the support shell (102); a sliding groove is provided at the top of one side of the pedestal (101); a rotating hole is provided at one side of the inner wall of the sliding groove; a fixing groove is provided at the top of the pedestal (101); a fixing threaded hole is provided at the inner top wall of the fixing groove; and a supporting hole is provided at the inner wall of the support shell (102).

3. The single screw pump according to claim 2, characterized in that: The sliding member (2) is composed of a sliding plate (201), a driving motor (202) and a single screw pump (203); the outer wall of the sliding plate (201) is slidably connected to the inner wall of the sliding groove, and the top of the sliding plate (201) is fixedly connected to the bottom of the driving motor (202); the output end of the driving motor (202) is snap-connected to one side of the single screw pump (203), and the inner wall of the sliding plate (201) is provided with a sliding threaded hole.

4. The single screw pump according to claim 3, characterized in that: The rotating member (3) comprises a threaded rod (301), a worm wheel (302), a worm (303) and a rotating ring (304); the outer wall of one end of the threaded rod (301) is rotatably connected to the inner wall of the rotating hole, and the outer wall of the threaded rod (301) is threadedly connected to the inner wall of the sliding threaded hole; the other end of the threaded rod (301) passes through one side of the inner wall of the sliding groove and extends to the outside of the base (101); and the threaded rod (301) is located on the base (101). The outer wall of one end of the outside is snap-connected with the inner wall of the worm wheel (302), the outer wall of the worm wheel (302) is meshed with the outer wall of the worm (303), and the outer wall of the back end of the worm (303) is rotatably connected with the inner wall of the support hole, the front end of the worm (303) penetrates the inner wall of the support shell (102) and extends to the outside, and the front end of the worm (303) located at the outside end of the support shell (102) is fixedly connected to the back of the rotating ring (304).

5. The single screw pump according to claim 2, characterized in that: The support member (4) is composed of a support block (401), a fixed block (402) and a spring (403); the outer wall of the bottom of the support block (401) is movably abutted against the inner wall of the fixed groove, and the inner wall of the support block (401) is provided with a connecting hole, the inner wall of the connecting hole is fixedly sleeved with the outer wall of the single-screw pump (203), and the front side of the support block (401) is fixedly connected to the back side of the fixed block (402); the front side of the support block (401) is provided with a connecting groove, and the inner bottom wall of the connecting groove is fixedly connected to the top of the spring (403), and the inner wall of the fixed block (402) is provided with a fixing hole.

6. The single screw pump according to claim 5, characterized in that: The fixing member (5) comprises a connecting block (501), a fixing plate (502) and a fixing bolt (503); the outer wall of the connecting block (501) is slidably connected to the inner wall of the connecting groove, and the top of the connecting block (501) is fixedly connected to the bottom of the spring (403); the front of the connecting block (501) is fixedly connected to the back of the fixing plate (502), and the inner wall of the fixing plate (502) is provided with a hexagonal limiting hole, the inner wall of the hexagonal limiting hole is movably sleeved with the outer wall of the top of the fixing bolt (503), and the outer wall of the fixing bolt (503) is movably abutted against the inner wall of the fixing hole, and the outer wall of the bottom of the fixing bolt (503) is threadedly connected to the inner wall of the fixing threaded hole.

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