Water pump connecting shaft structure

Abstract

The utility model discloses a water pump connecting shaft structure, and particularly relates to the technical field of connecting shafts, the water pump connecting shaft structure comprises a water pump rotating shaft and a power connecting shaft, the outer side of one end of the water pump rotating shaft is fixedly provided with a first flange, and the outer side of one end of the power connecting shaft is fixedly provided with a second flange; a plurality of insertion holes are formed in the first flange; and a first limiting shell and a second limiting shell. The first flange and the second flange are synchronously connected by inserting the plurality of inserting rods into the plurality of inserting holes, and then the inserting rods, the first flange and the second flange are limited and fixed through the first limiting shell, the second limiting shell and the limiting rods at the inner ends of the first limiting shell and the second limiting shell. The water pump rotating shaft and the power connecting shaft are connected firmly through the connecting mode, external tools are not needed in the connecting mode, the whole connecting process is simple and convenient, the connecting efficiency is high, meanwhile, the dismounting process is convenient, and the overall using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting shafts, in particular to a water pump connecting shaft structure. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. A water pump transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals. It can also transport liquids, gas mixtures and liquids containing suspended solids. The shaft that drives the impeller in the water pump will extend to the outside of the pump body, and the rotating connecting shaft of the external motor will be connected to the shaft.

[0003] At present, when the water pump connecting shaft is connected to the water pump power, it is mostly connected through a flange and multiple bolts. This connection method requires the use of external tools and has low connection efficiency. The connection is in a wet state for a long time, so the bolts are prone to rust, which makes the disassembly process of the connecting shaft more troublesome, and the disassembly and installation processes are not convenient enough.

[0004] Therefore, it is necessary to invent a water pump connecting shaft structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a water pump connecting shaft structure, in which a first flange and a second flange are synchronously connected by inserting a plurality of plug-in rods into a plurality of plug-in holes, and then the plug-in rods and the first flange and the second flange are limited and fixed by a first limit shell, a second limit shell and the limit rods at the inner ends thereof, so that the connection between the water pump shaft and the power connecting shaft is relatively firm, and this connection method does not require the aid of external tools, so that the entire connection process is relatively simple and convenient, the connection efficiency is relatively high, and the disassembly process is also relatively convenient, and the overall use effect is better, so as to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a water pump connecting shaft structure, comprising:

[0007] A water pump shaft and a power connection shaft, wherein one end of the water pump shaft is in contact with one end of the power connection shaft, a first flange is fixedly disposed on the outer side of one end of the water pump shaft, and a second flange is fixedly disposed on the outer side of one end of the power connection shaft;

[0008] A plurality of plug-in rods, wherein the plurality of plug-in rods are fixedly arranged on the inner side of the second flange, a plurality of plug-in holes are opened on the first flange, and one end of the plurality of plug-in rods passes through the plurality of plug-in holes respectively;

[0009] A first limit shell and a second limit shell, wherein the first limit shell and the second limit shell are respectively arranged at the top and bottom of the outer ends of the first flange and the second flange, the bottom end of the first limit shell and the top end of the second limit shell are in contact with each other, three limit rods are fixedly provided at the inner end of the first limit shell and the inner end of the second limit shell, a vertical limit hole is opened at one end of the plug-in rod, and one end of the limit rod passes through the inside of the limit hole.

[0010] Preferably, the front and rear ends of the first limiting shell are integrally connected with a first connecting block, the front and rear ends of the second limiting shell are integrally connected with a second connecting block, and the first connecting block is arranged at the top of the second connecting block to facilitate the connection between the first limiting shell and the second limiting shell.

[0011] Preferably, a plug board is fixedly provided on the top of the second connection block, a connecting port is opened on the first connection block, the top of the plug board passes through the connecting port and extends to the top of the first connection block, so as to facilitate the connection between the first connection block and the second connection block.

[0012] Preferably, a movable cavity is opened inside the top of the plug board, and two limit plates are provided inside the movable cavity. The outer ends of the limit plates are in contact with the inner wall of the movable cavity, and a movable limit block is fixedly provided on the outside of the movable cavity. One end of the two movable limit blocks passes through both sides of the plug board respectively and extends to the top of the first connecting block, so as to facilitate the limiting and fixing of the first connecting block and the second connecting block.

[0013] Preferably, a telescopic rod is fixedly provided between the two limit plates, a spring is sleeved on the outer end of the telescopic rod, and both ends of the spring are respectively fixedly connected to the inner sides of the two limit plates to facilitate the automatic pop-up of the movable limit block.

[0014] Preferably, a square block is fixedly provided at one end of the water pump shaft, a square groove corresponding to the size of the square block is opened at one end of the power connecting shaft, and the square block is arranged inside the square groove to facilitate the synchronous connection of the water pump shaft and the power connecting shaft.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] The first flange and the second flange are connected synchronously by inserting multiple plug-in rods into multiple plug-in holes, and then the plug-in rods and the first flange and the second flange are limited and fixed by the first limit shell, the second limit shell and the limit rods at the inner ends thereof, so that the connection between the water pump shaft and the power connection shaft is relatively firm, and this connection method does not require the aid of external tools, making the entire connection process relatively simple and convenient, with a high connection efficiency, and the disassembly process is also relatively convenient, and the overall use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the water pump shaft and the first flange of the utility model;

[0021] Figure 4 It is a schematic diagram of a three-dimensional cross-sectional structure of the first limit housing and the second limit housing of the utility model;

[0022] Figure 5 For the utility model Figure 4 A is a schematic diagram of the enlarged structure.

[0023] Description of reference numerals:

[0024] 1. Water pump shaft; 2. Power connection shaft; 3. First flange; 4. Second flange; 5. Connecting rod; 6. Connecting hole; 7. First limiting shell; 8. Second limiting shell; 9. Limiting rod; 10. Limiting hole; 11. First connecting block; 12. Second connecting block; 13. Connecting plate; 14. Connecting port; 15. Movable cavity; 16. Limiting plate; 17. Movable limiting block; 18. Telescopic rod; 19. Spring; 20. Square block; 21. Square groove. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-5 A water pump connecting shaft structure shown includes:

[0027] A water pump shaft 1 and a power connection shaft 2, one end of the water pump shaft 1 is in contact with one end of the power connection shaft 2, a first flange 3 is fixedly disposed on the outer side of one end of the water pump shaft 1, and a second flange 4 is fixedly disposed on the outer side of one end of the power connection shaft 2;

[0028] A plurality of plug-in rods 5, the plurality of plug-in rods 5 are fixedly arranged on the inner side of the second flange 4, a plurality of plug-in holes 6 are opened on the first flange 3, and one end of the plurality of plug-in rods 5 passes through the plurality of plug-in holes 6 respectively;

[0029] The first limiting shell 7 and the second limiting shell 8 are respectively arranged at the top and bottom of the outer ends of the first flange 3 and the second flange 4, the bottom end of the first limiting shell 7 and the top end of the second limiting shell 8 are in contact, and three limiting rods 9 are fixedly provided at the inner end of the first limiting shell 7 and the inner end of the second limiting shell 8, a vertical limiting hole 10 is opened at one end of the plug-in rod 5, and one end of the limiting rod 9 passes through the inside of the limiting hole 10.

[0030] The front and rear ends of the first limiting shell 7 are integrally connected to the first connecting block 11, and the front and rear ends of the second limiting shell 8 are integrally connected to the second connecting block 12. The first connecting block 11 is arranged at the top of the second connecting block 12, and a plug-in board 13 is fixedly arranged at the top of the second connecting block 12. A connecting port 14 is provided on the first connecting block 11, and the top of the plug-in board 13 passes through the inside of the connecting port 14 and extends to the top of the first connecting block 11. An active cavity 15 is provided inside the top of the plug-in board 13, and two limiting plates 16 are arranged inside the active cavity 15. The outer ends of the limiting plates 16 are in contact with the inner wall of the active cavity 15, and an active limiting block 17 is fixedly arranged on the outside of the active cavity 15. One end of the two active limiting blocks 17 respectively passes through the two sides of the plug-in board 13 and extends to the top of the first connecting block 11. A telescopic rod 18 is fixedly arranged between the two limiting plates 16, and a spring 19 is sleeved on the outer end of the telescopic rod 18. The two ends of the spring 19 are respectively fixedly connected to the inner sides of the two limiting plates 16.

[0031] A square block 20 is fixedly provided at one end of the water pump shaft 1 , and a square groove 21 corresponding to the size of the square block 20 is opened at one end of the power connecting shaft 2 , and the square block 20 is arranged inside the square groove 21 .

[0032] Make one end of the water pump shaft 1 contact with one end of the power connection shaft 2, so that the square block 20 is inserted into the square groove 21. At this time, the inner sides of the first flange 3 and the second flange 4 will contact each other, and the multiple plug-in rods 5 will respectively pass through the multiple plug-in holes 6. Then, the second limiting shell 8 is clamped on the outer ends of the first flange 3 and the second flange 4 from below, and the limiting rod 9 at the inner end of the second limiting shell 8 is inserted into the limiting hole 10 on the plug-in rod 5. In this way, the plug-in rod 5 can be limited and fixed, and the two movable limiting blocks 17 are squeezed into the active cavity 15. The movable limiting blocks 17 drive the limiting plate 16 to move into the active cavity 15. The plate 16 will compress the spring 19, clamping the first limit housing 7 at the outer ends of the first flange 3 and the second flange 4 from above, so that the plug-in plate 13 on the second connecting block 12 passes through the connecting port 14 on the first connecting block 11. At this time, the two limit plates 16 will drive the movable limit block 17 to pop outward under the elastic force of the spring 19, and the movable limit block 17 will limit and connect the first connecting block 11 and the second connecting block 12. In this way, the first limit housing 7 and the second limit housing 8 will be fixed together, and then the water pump shaft 1 and the first flange 3 and the power connecting shaft 2 and the second flange 4 can be connected and fixed together;

[0033] Similarly, the movable limit block 17 is squeezed back into the movable cavity 15, so that the first limit shell 7 and the two first connecting blocks 11 can be removed, and then the second limit shell 8 can be removed, so that the connection between the water pump shaft 1 and the power connecting shaft 2 can be disassembled.

[0034] The utility model inserts multiple plug-in rods 5 into multiple plug-in holes 6 to synchronously connect the first flange 3 and the second flange 4, and then limits and fixes the plug-in rod 5 and the first flange 3 and the second flange 4 through the first limiting shell 7, the second limiting shell 8 and the limiting rod 9 at the inner end thereof, so that the connection between the water pump shaft 1 and the power connecting shaft 2 is relatively firm, and this connection method does not require the aid of external tools, so that the entire connection process is relatively simple and convenient, the connection efficiency is relatively high, and the disassembly process is also relatively convenient, and the overall use effect is better. This embodiment specifically solves the problem that when the water pump connecting shaft is connected to the water pump power in the prior art, it is mostly connected by flanges and multiple bolts. This connection method requires the aid of external tools and has low connection efficiency. The connection part is in a wet state for a long time, so the bolts are prone to rust, which makes the disassembly process of the connecting shaft relatively troublesome, and the disassembly and installation processes are not convenient enough.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water pump connecting shaft structure, characterized in that: include: A water pump rotating shaft (1) and a power connecting shaft (2), wherein one end of the water pump rotating shaft (1) is in contact with one end of the power connecting shaft (2), a first flange (3) is fixedly provided on the outer side of one end of the water pump rotating shaft (1), and a second flange (4) is fixedly provided on the outer side of one end of the power connecting shaft (2); A plurality of plug-in rods (5), wherein the plurality of plug-in rods (5) are fixedly arranged on the inner side of the second flange (4), a plurality of plug-in holes (6) are opened on the first flange (3), and one end of the plurality of plug-in rods (5) passes through the interior of the plurality of plug-in holes (6) respectively; A first limiting shell (7) and a second limiting shell (8), wherein the first limiting shell (7) and the second limiting shell (8) are respectively arranged at the top and bottom of the outer ends of the first flange (3) and the second flange (4), the bottom end of the first limiting shell (7) and the top end of the second limiting shell (8) are in contact, and three limiting rods (9) are fixedly arranged at the inner end of the first limiting shell (7) and the inner end of the second limiting shell (8), and a vertical limiting hole (10) is opened at one end of the plug-in rod (5), and one end of the limiting rod (9) passes through the inside of the limiting hole (10).

2. A water pump connecting shaft structure according to claim 1, characterized in that: The front and rear ends of the first limiting shell (7) are integrally connected to a first connection block (11), the front and rear ends of the second limiting shell (8) are integrally connected to a second connection block (12), and the first connection block (11) is arranged at the top end of the second connection block (12).

3. A water pump connecting shaft structure according to claim 2, characterized in that: A plug-in board (13) is fixedly provided on the top end of the second connection block (12); a communication opening (14) is provided on the first connection block (11); and the top end of the plug-in board (13) passes through the inside of the communication opening (14) and extends to the top of the first connection block (11).

4. A water pump connecting shaft structure according to claim 3, characterized in that: An active cavity (15) is provided inside the top of the plug board (13), and two limit plates (16) are provided inside the active cavity (15). The outer ends of the limit plates (16) are in contact with the inner wall of the active cavity (15), and an active limit block (17) is fixedly provided outside the active cavity (15), and one end of the two active limit blocks (17) passes through two sides of the plug board (13) and extends to the top of the first connection block (11).

5. A water pump connecting shaft structure according to claim 4, characterized in that: A telescopic rod (18) is fixedly arranged between the two limit plates (16), a spring (19) is sleeved on the outer end of the telescopic rod (18), and two ends of the spring (19) are respectively fixedly connected to the inner sides of the two limit plates (16).

6. A water pump connecting shaft structure according to claim 1, characterized in that: A square block (20) is fixedly provided at one end of the water pump rotating shaft (1), a square groove (21) corresponding to the size of the square block (20) is opened at one end of the power connecting shaft (2), and the square block (20) is arranged inside the square groove (21).

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