Disassembling and assembling structure of circulating pump

Abstract

The technical scheme belongs to the technical field of circulating pumps, and particularly relates to a circulating pump disassembling and assembling structure which comprises a pump body, a motor body arranged on the pump body and a control box arranged on the motor body, the control box is located on the side, away from the pump body, of the motor body, and a wire inserting structure is arranged between the control box and the motor body. The wire plugging structure comprises a wiring plug and a wiring socket, the wiring plug and the wiring socket are arranged on the motor body and the control box in a one-to-one correspondence mode respectively, a clamping structure is further arranged between the control box and the motor body, and when the clamping structure is matched in an embedded mode, the wiring plug is aligned with the wiring socket to be inserted into the wiring socket to achieve butt joint. When maintenance or exhaust operation needs to be carried out, the clamping structure is removed so that the control box can be detached from the motor body, at the moment, the wiring plug and the wiring socket are synchronously separated, the dismounting and mounting efficiency is improved, the working efficiency is improved, the maintenance and exhaust difficulty is reduced, and the dismounting and mounting operation is simpler and more convenient during maintenance.

Description

Technical Field

[0001] The present technical solution relates to the technical field of circulating pumps, and in particular to a disassembly and assembly structure of a circulating pump. Background Art

[0002] A circulating pump is a mechanical device used to transport or circulate fluids. The working principle of a circulating pump is to drive the impeller inside the pump body to rotate through an electric motor or other type of prime mover, thereby generating centrifugal force to suck the liquid from the pump inlet and push it to the outlet, forming a continuous fluid circulation.

[0003] For example, China has a shielded variable frequency circulation pump with sufficient heat dissipation, such as patent announcement number CN208380886U, which includes a pump casing, a motor casing connected to the pump casing, and an electrical box arranged on the outside of the motor casing. An electronic circuit board with heat-generating electronic components is arranged in the electrical box. The electrical box includes a lower casing close to the motor casing and an upper casing away from the motor casing. The lower casing is made of a heat-conducting metal material and the heat-generating part of the heat-generating electronic component is thermally connected to the lower casing.

[0004] The above-mentioned shielded variable frequency circulating pump with sufficient heat dissipation, the existing circulating pump adopts a top-out structure, and its electrical box is installed on the motor through the lower shell, and the installation position is located at the tail of the motor, which makes exhaust and maintenance operations troublesome and needs to be improved. Summary of the invention

[0005] In order to improve the problem of troublesome exhaust and maintenance operations of a top-out circulating pump, the technical solution provides a circulating pump disassembly and assembly structure.

[0006] The purpose of this technical solution is achieved in this way:

[0007] A circulating pump disassembly and assembly structure comprises a pump body, a motor body arranged on the pump body and a control box arranged on the motor body, wherein the control box is located on the side of the motor body away from the pump body, a wire insertion structure is arranged between the control box and the motor body, the wire insertion structure comprises a wiring plug and a wiring socket, the wiring plug and the wiring socket are arranged on the motor body and the control box respectively in a one-to-one correspondence, and a clamping structure is also arranged between the control box and the motor body, and when the clamping structure is engaged, the wiring plug is aligned with the wiring socket and inserted to achieve docking.

[0008] Through the above technical scheme, when the disassembly and assembly structure of the circulating pump is used normally, the pump body, the motor body and the control box are installed and combined into a whole. Based on the installation of a wire plug structure between the control box and the motor body, when the card-jointed structure is in the mating state, the wiring plug can be accurately inserted into the wiring socket, thereby realizing the electrical connection between the control box and the motor body to realize the control of the motor body operation. At this time, the motor body drives the pump body to pump. When maintenance or exhaust operation is required, the mating state of the card-jointed structure is released so that the control box can be removed from the motor body. At this time, the wiring plug and the wiring socket are separated synchronously, which improves the disassembly and assembly efficiency to improve work efficiency, reduces the difficulty of maintenance and exhaust, and makes the disassembly and assembly operation easier during maintenance.

[0009] Preferably, the snap-fit ​​structure includes a snap-fit ​​protrusion and a snap-fit ​​groove, and the snap-fit ​​protrusion and the snap-fit ​​groove are distributed on the motor body and the control box in a one-to-one correspondence to achieve embedded installation.

[0010] Through the above technical solution, the snap-fit ​​structure is provided with a snap protrusion on one of the components of the motor body or the control box, and the snap groove is provided on the other component. The control box is quickly fixed and installed with the motor body through the cooperation of the snap protrusion and the snap groove.

[0011] Preferably, a plug-in structure is provided between the control box and the motor body, and the plug-in structure includes a plug-in buckle and a plug-in groove. The plug-in buckle and the plug-in groove are distributed one-to-one on the motor body and the control box to realize plug-in guidance. The buckle protrusion is provided on the plug-in buckle, and the buckle groove is opened on the inner wall of the plug-in groove. When the plug-in buckle is inserted into the plug-in groove for positioning, the buckle protrusion is correspondingly embedded in the buckle groove.

[0012] Through the above technical solution, the plug-in structure is provided with a plug-in buckle on one of the components of the motor body or the control box, and the plug-in groove is provided on the other component. The side of the plug-in groove vertically toward the through end is in one-to-one contact with the plug-in buckle. The shape and size of the plug-in buckle are consistent with the plug-in groove. The plug-in buckle is inserted into the plug-in groove to achieve positioning. At this time, the snap-on protrusion is aligned and fits with the snap-on groove, which effectively guides the fit of the snap-on protrusion and the snap-on groove, making the installation more precise, optimizing the installation structure, improving the accuracy of installation positioning, and further improving the installation efficiency.

[0013] Preferably, the motor body comprises a body and a mounting seat arranged on the body, the mounting seat is fixed to the body by bolts, the wiring plug is arranged on the body, and the plug buckle is arranged on the mounting seat;

[0014] The control box includes a box body, an upper end cover and a mounting plate arranged on the box body, the upper end cover and the mounting plate are fixed to the box body by bolts, the mating groove is opened on the side wall of the box body, a circuit board is installed in the box body, and the wiring socket is fixedly installed on the circuit board.

[0015] Through the above technical solution, the motor body is composed of a body and a mounting seat connected by bolts, the mounting seat is installed on the upper end of the body, the control box is composed of a box body, an upper end cover and a mounting plate connected by bolts, the upper end cover covers the opening of the box body to hide the circuit board, the mounting seat is arranged relative to the mounting plate, the plug buckle is fixed on the mounting seat and extends toward the mating slot, the circuit board in the box body is installed with a wiring socket, so that the circuit board carries the socket to cooperate to establish an electrical connection to realize power transmission and signal exchange.

[0016] Preferably, the two side walls of the mating groove have inclined side walls, and the inclined side walls are inclined downward. The inclined side walls make the groove width of the mating groove expand toward the downward through end to guide insertion.

[0017] Through the above technical scheme, the outer walls on both sides of the plug-in buckle are adapted to the inclined side walls on both sides of the mating groove in terms of the inclination direction and inclination amplitude. When the plug-in buckle is docked with the mating groove, the plug-in buckle is guided into the mating groove by fitting from the flared part, thereby reducing the insertion difficulty caused by inaccurate alignment or deviation, and reducing the mating wear between the two, thereby improving the guidance and convenience of the plug-in operation.

[0018] Preferably, a connecting hole is formed on the inner wall of the mating groove, and a countersunk hole is formed on the plug buckle. The positions of the countersunk holes correspond one to one with the connecting holes. The countersunk holes are used for bolts to pass through and embed into the connecting holes, and the bolt heads are located in the countersunk holes.

[0019] Through the above technical solution, when the plug-in buckle is embedded, the countersunk holes are opened on the plug-in buckle and correspond to the positions of the connecting holes one by one. After the bolts pass through the corresponding countersunk holes, they are embedded in the connecting holes and tightened by threads. The bolt heads are hidden in the countersunk holes to provide space to avoid interference. The stability and reliability of the connection between the motor body and the control box are strengthened by the bolts, further enhancing the connection stability during installation.

[0020] Preferably, the box body is installed with a first gasket and a second gasket, the first gasket is pressed tightly between the upper end cover and the box body, and the second gasket is pressed tightly between the box body and the mounting plate.

[0021] Through the above technical solution, the first gasket is pressed tightly between the upper end cover and the box body, and the second gasket is pressed tightly between the box body and the mounting plate, ensuring a close fit between the upper end cover, the box body and the mounting plate, enhancing the sealing of the connection position, preventing impurities from entering the interior of the control box and thus protecting the circuit. The gasket usually has a certain elasticity and shock absorbing performance, which absorbs and reduces the vibration generated when the motor is working, thereby offsetting the local pressure at the bolt connection position to reduce the risk of rupture, reduce the frequency of maintenance and replacement, and improve the structural stability during operation.

[0022] Preferably, the pump body has a pump cavity, the machine body has an exhaust port, the exhaust port is located on the end face of the machine body close to the mounting plate, the exhaust port is communicated with the pump cavity, the exhaust port is connected with an exhaust bolt, and the exhaust bolt is loosened to open the exhaust port for unblocking.

[0023] Through the above technical scheme, the shielding sleeve in the motor body is prone to blockage after being idle for a long time. The control box is removed from the motor body to expose the exhaust bolt, and the exhaust bolt is removed to open the exhaust port. The shielding sleeve is loosened through the exhaust hole for maintenance. Floating air will accumulate in the shielding sleeve, affecting the lubrication effect after water passes through the pump cavity. The exhaust port can be opened to release the accumulated air. The pump body is connected to the water pipe so that the water flows along the pump cavity to the opening on the other side. Since the exhaust port is connected to the pump cavity, the water will be discharged from the exhaust hole at the same time and carry internal debris, thereby achieving the purpose of internal cleaning and ensuring the normal use of the pump body.

[0024] Preferably, a clearance groove is provided on the end surface of the mounting plate close to the exhaust bolt, and the bolt head of the exhaust bolt is inserted into the clearance groove to make room.

[0025] Through the above technical solution, when the control box is installed on the motor body, the position of the clearance groove of the mounting plate is set corresponding to the exhaust bolt, and the clearance groove allows the bolt head of the exhaust bolt to be accommodated, avoiding space conflict between the exhaust bolt and the control box, making the entire structure more compact and improving space utilization.

[0026] Compared with the prior art, the technical solution has the following outstanding and beneficial technical effects:

[0027] 1. This technical solution installs a plug-in structure and a clamping structure between the control box and the motor body. When the clamping structure is engaged, the wiring plug is inserted into the wiring socket, and the control box is electrically connected to the motor body. When the clamping structure is disengaged, the control box is removed from the motor body, and the wiring plug and the wiring socket are separated, thereby making the disassembly and assembly operation easier during maintenance;

[0028] 2. This technical solution provides a plug-in structure between the control box and the motor body, which improves the accuracy of installation positioning and further improves installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0030] Figure 2 It is a partial explosion schematic diagram of this embodiment;

[0031] Figure 3 This is a schematic diagram of the overall structure of the control box in the embodiment;

[0032] Figure 4 For this embodiment Figure 3 Schematic diagram of local explosion;

[0033] Figure 5 It is a schematic diagram of the overall structure of the pump body and the motor body in the embodiment;

[0034] Figure 6 For this embodiment Figure 5 Schematic diagram of a local explosion.

[0035] Figure numerals: 1. pump body; 2. motor body; 21. machine body; 22. mounting seat; 3. control box; 31. box body; 32. upper end cover; 33. mounting plate; 4. wiring structure; 41. wiring plug; 42. wiring socket; 5. snap-fit ​​structure; 51. snap-fit ​​protrusion; 52. snap-fit ​​groove; 6. plug-in structure; 61. plug-in buckle; 62. plug-in groove; 7. circuit board; 8. inclined side wall; 9. connecting hole; 10. countersunk hole; 11. first gasket; 12. second gasket; 13. pump chamber; 14. exhaust port; 15. exhaust bolt; 16. clearance groove. DETAILED DESCRIPTION

[0036] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0037] Example:

[0038] See also Figure 1 A circulating pump disassembly and assembly structure includes a pump body 1, a motor body 2 and a control box 3. The pump body 1 is located below the motor body 2. The pump body 1 is fixedly connected to the lower end of the motor body 2. The control box 3 is located on the side of the motor body 2 away from the pump body 1. The control box 3 is detachably connected to the motor body 2.

[0039] See also Figure 3 and Figure 4 The control box 3 includes a box body 31, an upper end cover 32 and a mounting plate 33. The upper end cover 32 covers the upper end of the box body 31. The upper end cover 32 and the box body 31 are fixed by bolts. The mounting plate 33 is located at one end of the box body 31 away from the upper end cover 32 and is arranged close to the motor body 2. The mounting plate 33 is fixed in the box body 31 by bolts. A circuit board 7 is installed in the box body 31, and the circuit board 7 is fixed to the upper end cover 32 by bolts.

[0040] A first gasket 11 is installed in the box body 31. The shape of the first gasket 11 is adapted to the inner frame of the box body 31. The first gasket 11 is located at the bolt connection between the upper end cover 32 and the box body 31. The bolts pass through the box body 31 and the first gasket 11 in sequence and are embedded in the upper end cover 32. The bolts are threadedly connected to the upper end cover 32 and tightened to complete the fixation. The end faces on both sides of the first gasket 11 are respectively pressed against between the upper end cover 32 and the box body 31 to absorb vibration.

[0041] A second gasket 12 is also installed in the box body 31. The shape of the second gasket 12 is adapted to the inner frame of the box body 31. The second gasket 12 is located at the bolt connection between the box body 31 and the mounting plate 33. The bolts pass through the mounting plate 33 and the second gasket 12 in sequence and are embedded in the box body 31. The bolts are threadedly connected to the box body 31 and tightened to complete the fixation. The end faces on both sides of the second gasket 12 are respectively pressed against between the box body 31 and the mounting plate 33 to further absorb vibration.

[0042] See also Figure 5 and Figure 6 The motor body 2 includes a body 21 and a mounting seat 22. The mounting seat 22 is located at one end of the motor body 2 away from the pump body 1. The mounting seat 22 is sleeved on the upper end of the motor body 2. The mounting seat 22 and the motor body 2 are fixed by bolts. The pump body 1 has a pump cavity 13. The pump cavity 13 is formed inside the pump body 1 corresponding to the pump body 1. In this example, the pump cavity 13 passes through the pump body 1 and leaves a water inlet and a water outlet. The pump cavity 13 is connected to the inside of the body 21. A shielding sleeve can be installed in the body 21. The body 21 is provided with an exhaust port 14, and the exhaust port 14 passes through the body 2 1, the exhaust port 14 is connected with the pump chamber 13, the exhaust port 14 is connected with the exhaust bolt 15, the exhaust bolt 15 is fixed on the body 21 by threaded connection, and the end surface of the mounting plate 33 close to the exhaust bolt 15 is provided with a clearance groove 16, and the clearance groove 16 provides clearance for the bolt head of the exhaust bolt 15. When the exhaust bolt 15 is unscrewed, the exhaust port 14 is opened and the shielding sleeve is moved by the exhaust port 14 to release the accumulated air, and the water flows into the pump chamber 13 from the water inlet and flows out from the exhaust port 14 and the water outlet at the same time, so that the exhaust port 14 can clear the internal debris.

[0043] See also Figure 2 and Figure 4A wiring structure 4 is provided between the control box 3 and the motor body 2. The wiring structure 4 includes a wiring plug 41 and a wiring socket 42. The wiring plug 41 and the wiring socket 42 are respectively arranged on the motor body 2 and the control box 3 in a one-to-one correspondence. In this example, the wiring plug 41 is arranged on the body 21, and the wiring socket 42 is arranged on the circuit board 7. The wiring plugs 41 are ground wire plugs and motor wire plugs respectively. The positions of the wiring plugs 41 and the wiring sockets 42 correspond one to one. When the control box 3 is installed on the motor body 2, the wiring plug 41 is inserted into the corresponding wiring socket 42 to achieve docking.

[0044] A plug-in structure 6 is also provided between the control box 3 and the motor body 2, and the plug-in structure 6 includes a plug-in buckle 61 and a mating slot 62. The plug-in buckle 61 and the mating slot 62 are distributed one-to-one on the motor body 2 and the control box 3. In this example, the plug-in buckle 61 is provided on the mounting seat 22, and the mating slot 62 is opened in the box body 31. There are four mating slots 62, and the number of the plug-in buckles 61 is the same as the mating slots 62. The mating slots 62 are opened on the outer wall of the box body 31. The four mating slots 62 are arranged opposite to each other in pairs, and one end of each mating slot 62 is opened downward corresponding to the position of the plug-in buckle 61. The plug-in buckles 61 are fixed to the four corners of the mounting seat 22 and all protrude and extend in the direction of the mating slot 62. Alternatively, the mating slot 62 can be opened on the mounting seat 22, and the plug-in buckles 61 are fixed on the box body 31, and the plug-in buckles 61 and the mating slots 62 correspond one-to-one.

[0045] Each mating slot 62 has an inclined side wall 8, and the two inclined side walls 8 correspond to the two opposite slot walls in the mating slot 62. The two inclined side walls 8 are inclined downward and symmetrically arranged. The two inclined side walls 8 cooperate to make the slot width of the corresponding mating slot 62 expand toward the downward through end. The shape of each plug-in buckle 61 is adapted to the mating slot 62. When the control box 3 is installed on the motor body 2, the plug-in buckles 61 are inserted into the mating slot 62 one by one along the expanded opening.

[0046] Each inner wall of the mating groove 62 is penetrated by a plug buckle 61, and each plug buckle 61 is penetrated by a countersunk hole 10. The position of each countersunk hole 10 corresponds to each connecting hole 9 one by one. When the plug buckle 61 is embedded in the mating groove 62, the countersunk hole 10 is aligned and connected with the corresponding connecting hole 9. The countersunk hole 10 is for the bolt to pass through and be embedded in the connecting hole 9 for threaded connection, and the bolt head is located in the corresponding countersunk hole 10 to provide clearance.

[0047] A snap-fit ​​structure 5 is also provided between the control box 3 and the motor body 2, and the snap-fit ​​structure 5 includes a snap-fit ​​protrusion 51 and a snap-fit ​​groove 52. The snap-fit ​​protrusion 51 and the snap-fit ​​groove 52 are distributed one-to-one on the motor body 2 and the control box 3. In this example, the snap-fit ​​protrusion 51 is fixed on the outer wall of the plug-in buckle 61, and the snap-fit ​​groove 52 is opened on the inner wall of the plug-in groove 62. Each snap-fit ​​protrusion 51 is arranged one-to-one with each snap-fit ​​groove 52. When the plug-in buckle 61 is inserted into the plug-in groove 62, the snap-fit ​​protrusion 51 is aligned with the snap-fit ​​groove 52 and then embedded and fixed. Alternatively, the snap-fit ​​groove 52 may be opened on the outer wall of the plug-in buckle 61, and the snap-fit ​​protrusion 51 may be protruded and fixed on the inner wall of the plug-in groove 62.

[0048] The specific working process of this program is as follows:

[0049] The present technical solution is to install a plug-in structure 4 and a plug-in structure 6 between the control box 3 and the motor body 2. When the plug-in structure 6 is plugged in, the snap-in structure 5 is correspondingly in an embedded state, and the wiring plug 41 can be accurately inserted into the wiring socket 42 to achieve docking, thereby fixing the control box 3 and the motor body 2. When maintenance or exhaust operations are required, the plug-in structure 6 disengages from the embedded state of the snap-in structure 5, and the wiring plug 41 and the wiring socket 42 are separated synchronously at this time, so that the control box 3 can be removed from the motor body 2, thereby improving the disassembly and assembly efficiency to improve work efficiency, reduce the difficulty of maintenance and exhaust, and make the disassembly and assembly operations during maintenance easier.

[0050] The above shows and describes the basic principle and main features of the technical solution and the advantages of the technical solution. The technicians in this industry should understand that the technical solution is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the technical solution. Without departing from the spirit and scope of the technical solution, the technical solution will have various changes and improvements, which fall within the scope of the technical solution to be protected. The scope of protection claimed by the technical solution is defined by the attached claims and their equivalents.

Claims

1. A circulating pump disassembly and assembly structure, comprising a pump body (1), a motor body (2) arranged on the pump body (1), and a control box (3) arranged on the motor body (2), characterized in that: The control box (3) is located on a side of the motor body (2) facing away from the pump body (1); a plug-in structure (4) is provided between the control box (3) and the motor body (2); the plug-in structure (4) comprises a wiring plug (41) and a wiring socket (42); the wiring plug (41) and the wiring socket (42) are respectively provided on the motor body (2) and the control box (3) in a one-to-one correspondence; a clamping structure (5) is also provided between the control box (3) and the motor body (2); when the clamping structure (5) is engaged, the wiring plug (41) is aligned with the wiring socket (42) and inserted to achieve docking.

2. The circulating pump disassembly and assembly structure according to claim 1, characterized in that: The snap-fit ​​structure (5) comprises a snap-fit ​​protrusion (51) and a snap-fit ​​groove (52), and the snap-fit ​​protrusion (51) and the snap-fit ​​groove (52) are distributed on the motor body (2) and the control box (3) in a one-to-one correspondence to achieve fitting installation.

3. The circulating pump disassembly and assembly structure according to claim 2, characterized in that: A plug-in structure (6) is provided between the control box (3) and the motor body (2), the plug-in structure (6) comprising a plug-in buckle (61) and a plug-in groove (62), the plug-in buckle (61) and the plug-in groove (62) being distributed one-to-one on the motor body (2) and the control box (3) to realize plug-in guidance, the buckle protrusion (51) being provided on the plug-in buckle (61), the buckle groove (52) being provided on the inner wall of the plug-in groove (62), and when the plug-in buckle (61) is inserted into the plug-in groove (62) for positioning, the buckle protrusion (51) is correspondingly embedded in the buckle groove (52).

4. The circulating pump disassembly and assembly structure according to claim 3, characterized in that: The motor body (2) comprises a body (21) and a mounting seat (22) arranged on the body (21); the mounting seat (22) is fixed to the body (21) by bolts; the wiring plug (41) is arranged on the body (21); and the plug buckle (61) is arranged on the mounting seat (22); The control box (3) comprises a box body (31), an upper end cover (32) and a mounting plate (33) arranged on the box body (31); the upper end cover (32) and the mounting plate (33) are fixed to the box body (31) by bolts; the mating groove (62) is provided on a side wall of the box body (31); a circuit board (7) is installed in the box body (31); and the wiring socket (42) is fixedly mounted on the circuit board (7).

5. The circulating pump disassembly and assembly structure according to claim 3, characterized in that: The two side walls of the mating groove (62) have inclined side walls (8), the inclined side walls (8) are inclined downward, and the inclined side walls (8) make the groove width of the mating groove (62) expand toward the lower through end to guide insertion.

6. The circulating pump disassembly and assembly structure according to claim 3, characterized in that: The inner wall of the plug-in groove (62) is provided with a connecting hole (9), and the plug buckle (61) is provided with a countersunk hole (10). The position of the countersunk hole (10) corresponds to the connecting hole (9) one by one. The countersunk hole (10) is used for a bolt to pass through and be embedded in the connecting hole (9), and the bolt head is located in the countersunk hole (10).

7. The circulating pump disassembly and assembly structure according to claim 4, characterized in that: The box body (31) is installed with a first gasket (11) and a second gasket (12); the first gasket (11) is tightly pressed between the upper end cover (32) and the box body (31); and the second gasket (12) is tightly pressed between the box body (31) and the mounting plate (33).

8. The circulating pump disassembly and assembly structure according to claim 4, characterized in that: The pump body (1) has a pump cavity (13), and the machine body (21) has an exhaust port (14). The exhaust port (14) is located on an end surface of the machine body (21) close to a mounting plate (33). The exhaust port (14) is in communication with the pump cavity (13). The exhaust port (14) is connected to an exhaust bolt (15). The exhaust bolt (15) is loosened to open the exhaust port (14) for unblocking.

9. The circulating pump disassembly and assembly structure according to claim 8, characterized in that: The end surface of the mounting plate (33) close to the exhaust bolt (15) is provided with a clearance groove (16), and the bolt head of the exhaust bolt (15) is inserted into the clearance groove (16).

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