Vertical pump shaft sleeve locking structure

Abstract

The utility model discloses a vertical pump shaft sleeve locking structure which comprises a long shaft motor, a central shaft rod is arranged on the upper end face of the long shaft motor, one end of the central shaft rod penetrates through a motor connecting base, a ceramic base is arranged in the motor connecting base, and a shaft sleeve is arranged in the middle of the ceramic base. The ceramic seat and the shaft sleeve both penetrate through the central shaft rod, a connecting shaft is arranged at the lower end of the shaft sleeve, a threaded rod is arranged on the inner wall of the connecting shaft, a sealing gasket is arranged in the ceramic seat, a sealing ring is arranged on the upper end face of the sealing gasket, a main body is arranged above the motor connecting seat, and an impeller is arranged in the main body. And the front cover is arranged at the upper end of the main body, so that the mounting sealing performance is improved while the shaft sleeve connecting and locking effect is good, and practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of locking structures, in particular to a vertical pump shaft sleeve locking structure. Background Art

[0002] A vertical pump is a special centrifugal pump. Its horizontal input and horizontal outlet structure makes the installation and maintenance of the pump more convenient and is suitable for some special occasions.

[0003] Existing vertical pumps all have shaft sleeves inside, through which the long-shaft motor and the impeller are connected. The impeller locking nut is fixed to the shaft through a threaded connection to prevent the impeller and the shaft sleeve from falling off. However, the shaft sleeve connection is often not tight enough and the sealing effect is relatively poor, which causes the vertical pump to easily leak liquid when in use, affecting the use of the vertical pump. To address the above problems, we propose a vertical pump shaft sleeve locking structure for improvement and upgrading. Utility Model Content

[0004] The utility model aims to provide a vertical pump shaft sleeve locking structure to solve the problems raised in the above background technology.

[0005] In order to solve the above problems, the following technical solutions are provided:

[0006] A vertical pump sleeve locking structure is designed, including a long-axis motor, a central shaft rod is arranged on the upper end surface of the long-axis motor and one end of the central shaft rod passes through a motor connecting seat, a ceramic seat is arranged inside the motor connecting seat, and a shaft sleeve is arranged in the middle of the ceramic seat, the ceramic seat and the shaft sleeve both pass through the central shaft rod, a connecting shaft is arranged at the lower end of the shaft sleeve and a threaded rod is arranged on the inner wall of the connecting shaft, a sealing gasket is arranged inside the ceramic seat, a sealing ring is arranged on the upper end surface of the sealing gasket, a main body is arranged above the motor connecting seat, an impeller is arranged inside the main body, and a front cover is arranged at the upper end of the main body.

[0007] Furthermore, four bolts are arranged on the outside of the long-axis motor and one end of the bolts is threadedly connected to the motor connecting seat, and the connecting shaft is arranged inside the long-axis motor.

[0008] Furthermore, slots are provided on one side of the long-axis motor and the motor connecting seat, one end of the threaded rod is threadedly connected to the inside of the connecting shaft and the extended end is connected to the central shaft, and the shaft sleeve is sleeved on the ceramic seat.

[0009] Furthermore, a mounting groove is provided on the upper end surface of the ceramic seat, the sealing gasket and the sealing ring are both arranged inside the mounting groove, and the sealing ring and the sealing gasket are both provided with insertion holes inside.

[0010] Furthermore, six plug rods are arranged on the lower end surface of the main body, one end of the plug rods passes through the inside of the plug hole and the extended end is connected to the ceramic seat, and a clamping groove is arranged on the upper end surface of the main body.

[0011] Furthermore, a plug-in plate is fixedly provided on the outer wall of the impeller and the lower end of the plug-in plate is arranged on the clamping groove, a locking cap is arranged on the upper end surface of the impeller, and a front cover is arranged on the upper end surface of the main body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model device is provided with shaft sleeve, ceramic seat, connecting shaft, threaded rod, plug rod, sealing gasket, sealing ring and other components. The threaded rod is rotated by inserting a cross socket wrench into the groove, and then one end of the threaded rod is fixed on the central shaft rod. Then, one end of the plug rod under the main body is clamped in the mounting groove above the ceramic seat. At this time, one end of the plug rod passes through the jacks on the sealing ring and the sealing gasket, which is conducive to improving the locking of the shaft sleeve and its sealing performance, avoiding the problem that the position deviation of the shaft sleeve when connected is not tight enough to affect the use of the vertical pump, and the locking effect is good and the structure is simple.

[0014] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of a vertical pump sleeve locking structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of a vertical pump sleeve locking structure of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the partially enlarged split structure;

[0019] Figure 4 for Figure 2 Schematic diagram of the local split structure.

[0020] In the figure: 1. long-axis motor; 2. motor connecting seat; 3. bolt; 4. shaft sleeve; 5. ceramic seat; 6. connecting shaft; 7. threaded rod; 8. center shaft rod; 9. notch; 10. main body; 11. front cover; 12. impeller; 13. locking cap; 14. plug-in board; 15. snap-in groove; 16. mounting groove; 17. sealing gasket; 18. sealing ring; 19. socket; 20. plug-in rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 As shown in Figure 4, the present embodiment provides a vertical pump shaft sleeve locking structure, including a long-axis motor 1, a central shaft rod 8 is arranged on the upper end surface of the long-axis motor 1, and one end of the central shaft rod 8 passes through the motor connecting seat 2, a ceramic seat 5 is arranged inside the motor connecting seat 2, and a shaft sleeve 4 is arranged in the middle of the ceramic seat 5, the ceramic seat 5 and the shaft sleeve 4 both pass through the central shaft rod 8, a connecting shaft 6 is arranged at the lower end of the shaft sleeve 4, and a threaded rod 7 is arranged on the inner wall of the connecting shaft 6, a sealing gasket 17 is arranged inside the ceramic seat 5, and a sealing ring 18 is arranged on the upper end surface of the sealing gasket 17, a main body 10 is arranged above the motor connecting seat 2, an impeller 12 is arranged inside the main body 10, and a front cover 11 is arranged at the upper end of the main body 10.

[0023] Preferably, four bolts 3 are provided on the outside of the long-axis motor 1 and one end of the bolt 3 is threadedly connected to the motor connecting seat 2, and the connecting shaft 6 is arranged inside the long-axis motor 1, so that the shaft sleeve 4 can be installed on the central shaft rod 8. A slot 9 is provided on one side of the long-axis motor 1 and the motor connecting seat 2, one end of the threaded rod 7 is threadedly connected to the inside of the connecting shaft 6 and the extended end is connected to the central shaft rod 8, the shaft sleeve 4 is sleeved on the ceramic seat 5, so that the threaded rod 7 can be tightened to lock the shaft sleeve 4, and an installation groove 16 is provided on the upper end surface of the ceramic seat 5, and a sealing gasket 17 and a sealing ring 18 are both arranged inside the installation groove 16, and a socket 19 is provided inside the sealing ring 18 and the sealing gasket 17, so that the shaft sleeve 4 can be sealed and fastened when the main body 10 and the motor connecting seat 2 are installed.

[0024] Preferably, six plug rods 20 are provided on the lower end surface of the main body 10, one end of the plug rod 20 passes through the inside of the socket 19 and the extended end is connected to the ceramic seat 5, and a snap-in groove 15 is provided on the upper end surface of the main body 10 to facilitate the installation of the impeller 12, a plug-in plate 14 is fixedly provided on the outer wall of the impeller 12 and the lower end of the plug-in plate 14 is provided on the snap-in groove 15, a locking cap 13 is provided on the upper end surface of the impeller 12, and a front cover 11 is provided on the upper end surface of the main body 10 to facilitate the stable fixation of the impeller 12.

[0025] The use principle and use process of the utility model are as follows: the staff first places the motor connection seat 2 on the long-axis motor 1, and then fixes it with four bolts 3. After tightening the bolts 3, the shaft sleeve 4 is installed on the ceramic seat 5, and then the ceramic seat 5 is clamped on the motor connection seat 2, so that the lower end connecting shaft 6 of the shaft sleeve 4 is clamped on the clamping groove above the long-axis motor 1, and then the staff reaches into the notch 9 with a cross socket wrench to rotate the threaded rod 7, and then fixes one end of the threaded rod 7 on the central shaft rod 8 to limit the lower part of the shaft sleeve 4 Fix it, and then use one end of the plug rod 20 at the bottom of the main body 10 to clamp it in the mounting groove 16 above the ceramic seat 5. At this time, one end of the plug rod 20 passes through the sealing ring 18 and the socket 19 on the sealing gasket 17, which can lock the sleeve while improving its sealing performance. Then use screws to fix the bottom of the main body 10 and the motor connecting seat 2, and then install the impeller 12 on the central shaft 8, so that the plug-in plate 14 on the impeller 12 is connected to the clamping groove 15 and fixed, screw on the locking cap 13, and finally lock and fix the front cover 11 and the top of the main body 10 with screws.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

Claims

1. A vertical pump sleeve locking structure, characterized in that: The invention comprises a long-axis motor (1), wherein the upper end surface of the long-axis motor (1) is provided with a central shaft (8), and one end of the central shaft (8) passes through a motor connection seat (2); a ceramic seat (5) is provided inside the motor connection seat (2), and a shaft sleeve (4) is provided in the middle of the ceramic seat (5); the ceramic seat (5) and the shaft sleeve (4) both pass through the central shaft (8); a connecting shaft (6) is provided at the lower end of the shaft sleeve (4), and a threaded rod (7) is provided on the inner wall of the connecting shaft (6); a sealing gasket (17) is provided inside the ceramic seat (5), and a sealing ring (18) is provided on the upper end surface of the sealing gasket (17); a main body (10) is provided above the motor connection seat (2), an impeller (12) is provided inside the main body (10), and a front cover (11) is provided at the upper end of the main body (10).

2. A vertical pump sleeve locking structure according to claim 1, characterized in that: Four bolts (3) are arranged on the outside of the long-axis motor (1), and one end of the bolts (3) is threadedly connected to the motor connection seat (2), and the connection shaft (6) is arranged inside the long-axis motor (1).

3. A vertical pump sleeve locking structure according to claim 2, characterized in that: A slot (9) is provided on one side of the long-axis motor (1) and the motor connecting seat (2); one end of the threaded rod (7) is threadedly connected to the inside of the connecting shaft (6) and the extended end is connected to the central shaft (8); and the shaft sleeve (4) is sleeved on the ceramic seat (5).

4. A vertical pump sleeve locking structure according to claim 1, characterized in that: The upper end surface of the ceramic seat (5) is provided with a mounting groove (16), the sealing gasket (17) and the sealing ring (18) are both arranged inside the mounting groove (16), and the sealing ring (18) and the sealing gasket (17) are both provided with a plug hole (19).

5. A vertical pump sleeve locking structure according to claim 4, characterized in that: The lower end surface of the main body (10) is provided with six insertion rods (20), one end of the insertion rod (20) passes through the inside of the insertion hole (19) and the extended end is connected to the ceramic seat (5), and the upper end surface of the main body (10) is provided with a clamping groove (15).

6. A vertical pump sleeve locking structure according to claim 1, characterized in that: The outer wall of the impeller (12) is fixedly provided with a plug-in plate (14), and the lower end of the plug-in plate (14) is arranged on a clamping groove (15); the upper end surface of the impeller (12) is provided with a locking cap (13); and the upper end surface of the main body (10) is provided with a front cover (11).

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