Elastic catcher structure of motor

Abstract

The utility model relates to an elastic coupler structure of a motor. The elastic coupler structure comprises a first coupling unit, a second coupling unit and a damping unit, the first coupling unit is vertically arranged and is in limiting connection with a motor shaft; the second coupling unit is vertically arranged at the bottom of the first coupling unit and is in limiting connection with the pump hollow shaft; the damping unit is arranged at the bottom of the first coupling unit and the top of the second coupling unit in a sleeving mode. The pump has the advantages that the first coupling unit and the second coupling unit which can rotate in a transmission mode are arranged between the motor shaft and the pump hollow shaft, and the damping unit is arranged between the first coupling unit and the second coupling unit, so that the problems that pump operation is affected and pump vibration is large due to the fact that rigid connection errors are large when the pump and the motor are used are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind-oil motors, in particular to an elastic coupling structure of a motor. Background Art

[0002] The original motor connector of the fan oil station is a rigid connector, and the motor shaft is directly lifted into the hollow shaft of the pump. The machining error of the pump or motor end face has a great influence on the operation of the entire pump, causing the pump to vibrate greatly and inconvenient to adjust.

[0003] At present, no effective solution has been proposed for the problems existing in the relevant technology, such as large errors in the rigid connection between pumps and motors affecting pump operation and large pump vibration. Utility Model Content

[0004] The utility model aims to provide a motor elastic coupling structure to solve the problems existing in the related art such as large error in rigid connection between pump and motor affecting pump operation and large pump vibration.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A motor elastic coupling structure, comprising:

[0007] A first coupling unit, which is vertically arranged and limit-connected to the motor shaft and is used for self-rotation under the action of the motor shaft;

[0008] A second coupling unit, wherein the second coupling unit is vertically arranged at the bottom of the first coupling unit, the top of the second coupling unit is limitedly connected to the bottom of the first coupling unit, and the bottom of the second coupling unit is limitedly connected to the hollow shaft of the pump, and is used for self-rotation under the action of the first coupling unit;

[0009] A shock absorbing unit is respectively sleeved on the bottom of the first coupling unit and the top of the second coupling unit to reduce vibration.

[0010] In some embodiments, the first coupling unit includes:

[0011] a first chassis element, the first chassis element being arranged horizontally and abutting against a top surface of the second coupling unit;

[0012] A first coupling element, the first coupling element is vertically arranged on the top of the first base element and is coaxially arranged with the first chassis element;

[0013] a through element, wherein the through element penetrates the first coupling element along the axial direction of the first coupling element and is coaxially arranged with the first coupling element, and a motor shaft is arranged inside the through element;

[0014] A first connecting element, the first connecting element is arranged inside the through element and is limitedly connected to the motor shaft;

[0015] A plurality of first gear sleeve elements are arranged around the first chassis element and are respectively connected with the second coupling unit in a limiting manner. The outer side of the first gear sleeve element is sleeved with the shock absorbing unit.

[0016] In some embodiments, the first coupling unit further includes:

[0017] A first buffer element is arranged on the first chassis element and abuts against the second coupling unit.

[0018] In some embodiments, the second coupling unit includes:

[0019] a second chassis element, the second chassis element being horizontally disposed at the bottom of the first coupling unit;

[0020] A second coupling element, the second coupling element is vertically arranged at the bottom of the second chassis element and is coaxially arranged with the second chassis element;

[0021] A second connecting element, the second connecting element is arranged on the second coupling element and is limitedly connected with the hollow shaft of the pump;

[0022] A plurality of second gear sleeve elements are arranged around the second chassis element and are position-limitingly connected with the first coupling unit. The outer side of the second gear sleeve element is sleeved with the shock absorbing unit.

[0023] In some embodiments, the second coupling unit further includes:

[0024] A second buffer element is provided on the second chassis element and abuts against the first coupling unit.

[0025] In some of the embodiments, the shock absorbing unit comprises:

[0026] A plurality of first shock absorbing elements, wherein the plurality of first shock absorbing elements are sleeved on the bottom of the first coupling unit;

[0027] A plurality of second shock absorbing elements are sleeved on the top of the second coupling unit.

[0028] In some of the embodiments, it also includes:

[0029] A transition unit is arranged on the outside of the first coupling unit and the second coupling unit for protection and maintenance.

[0030] In some of the embodiments, the transition unit comprises:

[0031] A transition element, which is vertically arranged outside the first coupling unit and the second coupling unit for protection;

[0032] An inspection element, the inspection element is arranged through the side wall of the transition element and is used for inspection;

[0033] a first end cover element, the first end cover element being disposed at the bottom of the transition element and connected to the platform;

[0034] A second end cover element is disposed on the top of the transition element.

[0035] In some of the embodiments, the transition unit further comprises:

[0036] A plurality of third connecting elements are distributed on the first end cover element and connected to the platform.

[0037] In some of the embodiments, the transition unit further comprises:

[0038] A plurality of fourth connecting elements are distributed on the second end cover element.

[0039] In some of the embodiments, it also includes:

[0040] A locking unit is detachably connected to the first coupling unit and the second coupling unit respectively.

[0041] In some embodiments, the first coupling unit further includes:

[0042] A first locking element is disposed on the first coupling unit and is detachably connected to the locking unit.

[0043] In some embodiments, the second coupling unit further includes:

[0044] A second locking element is provided on the second coupling unit and is detachably connected to the locking unit.

[0045] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0046] The utility model discloses an elastic coupling structure for a motor, which can reduce the vibration of the pump by arranging a first coupling unit and a second coupling unit that can transmit rotation between the motor shaft and the hollow shaft of the pump, and arranging a shock-absorbing unit between the first coupling unit and the second coupling unit. The structure is easy to replace and adjust, and solves the problem that the rigid connection error between the pump and the motor affects the operation of the pump and causes large vibration of the pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 1 is a schematic diagram of a motor elastic coupling structure according to an embodiment of the utility model;

[0048] Figure 2 is a schematic diagram of a first coupling unit according to an embodiment of the utility model (I);

[0049] Figure 3 is a schematic diagram of a second coupling unit according to an embodiment of the utility model (I);

[0050] Figure 4 is a schematic diagram of a shock absorbing unit according to an embodiment of the utility model;

[0051] Figure 5 2 is a schematic diagram of a motor elastic coupling structure according to an embodiment of the utility model;

[0052] Figure 6 is a schematic diagram of a transition unit according to an embodiment of the utility model;

[0053] Figure 7 Schematic diagram of the motor elastic coupling structure according to an embodiment of the utility model (III);

[0054] Figure 8 is a schematic diagram of a first coupling unit according to an embodiment of the utility model (III);

[0055] Fig. 9 3 is a schematic diagram of a second coupling unit according to an embodiment of the present utility model.

[0056] The reference numerals are: 10, first coupling unit; 11, first chassis element; 12, first coupling element; 13, through element; 14, first connecting element; 15, first gear sleeve element; 16, first buffer element; 17, first locking element;

[0057] 20. Second coupling unit; 21. Second chassis element; 22. Second coupling element; 23. Second connecting element; 24. Second gear sleeve element; 25. Second buffer element; 26. Second locking element;

[0058] 30. shock absorbing unit; 31. first shock absorbing element; 32. second shock absorbing element;

[0059] 40. transition unit; 41. transition element; 42. maintenance element; 43. first end cover element; 44. second end cover element; 45. third connecting element; 46. fourth connecting element;

[0060] 50. Locking unit. DETAILED DESCRIPTION

[0061] 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0062] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0063] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0064] Example 1

[0065] An illustrative embodiment of the present utility model is as follows: Figure 1 As shown, a motor elastic coupling structure includes a first coupling unit 10, a second coupling unit 20 and a shock absorbing unit 30. The first coupling unit 10 is vertically arranged and connected with the motor shaft in a limited position, and is used for self-rotation under the action of the motor shaft; the second coupling unit 20 is vertically arranged at the bottom of the first coupling unit 10, the top of the second coupling unit 20 is connected with the bottom of the first coupling unit 10 in a limited position, and the bottom of the second coupling unit 20 is connected with the hollow shaft of the pump in a limited position, and is used for self-rotation under the action of the first coupling unit 10; the shock absorbing unit 30 is respectively sleeved on the bottom of the first coupling unit 10 and the top of the second coupling unit 20, and is used for reducing vibration.

[0066] like Figure 2As shown, the first coupling unit 10 includes a first chassis element 11, a first coupling element 12, a through element 13, a first connecting element 14 and a plurality of first gear sleeve elements 15. The first chassis element 11 is horizontally arranged and abuts against the top surface of the second coupling unit 20; the first coupling element 12 is vertically arranged on the top of the first bottom plate element and is coaxially arranged with the first chassis element 11; the through element 13 is arranged to penetrate the first coupling element 12 along the axial direction of the first coupling element 12 and is coaxially arranged with the first coupling element 12, and a motor shaft is arranged inside the through element 13; the first connecting element 14 is arranged inside the through element 13 and is limitedly connected with the motor shaft; a plurality of first gear sleeve elements 15 are arranged around the first chassis element 11 and are respectively limitedly connected with the second coupling unit 20, and a damping unit 30 is sleeved on the outer side of the first gear sleeve element 15.

[0067] In some of the embodiments, the cross section of the first chassis element 11 is annular.

[0068] In some of the embodiments, the first chassis element 11 is a first coupling chassis.

[0069] In some of the embodiments, the first coupling element 12 and the first chassis element 11 are integrally formed.

[0070] In some of the embodiments, the first coupling element 12 is cylindrical.

[0071] The size of the first coupling element 12 matches the size of the first chassis element 11. Generally, the outer diameter of the first coupling element 12 is equal to the inner diameter of the first chassis element 11, and the axial dimension of the first coupling element 12 is greater than the axial dimension of the first chassis element 11.

[0072] In some of the embodiments, the cross section of the first coupling element 12 is circular.

[0073] In some of the embodiments, the first coupling element 12 is a sleeve.

[0074] The penetrating element 13 is disposed along the axial direction of the first coupling element 12 and penetrates through an end portion of the first coupling element 12 .

[0075] The size of the through element 13 matches the size of the first coupling element 12. Generally, the radial size of the through element 13 is smaller than the radial size of the first coupling element 12, and the axial size of the through element 13 is equal to the axial size of the first coupling element 12.

[0076] In some of the embodiments, the through element 13 is a through cavity.

[0077] In some of the embodiments, the first connecting element 14 is disposed through an end portion of the first coupling element 12 .

[0078] The axial direction of the first connecting element 14 is parallel to the axial direction of the first coupling element 12 (through element 13 ).

[0079] The size of the first connecting element 14 matches the size of the through element 13. Generally, the axial size of the first connecting element 14 is not larger than the axial size of the through element 13, and the radial size of the first connecting element 14 is smaller than the radial size of the through element 13.

[0080] In some of the embodiments, the cross section of the first connecting element 14 is rectangular.

[0081] In some of the embodiments, the first connecting element 14 is a groove key.

[0082] In some of the embodiments, the connection method between the first gear sleeve component 15 and the first chassis component 11 includes but is not limited to welding and integral molding.

[0083] In some embodiments, the number of the first gear sleeve elements 15 is three, and the three first gear sleeve elements 15 are disposed around the first chassis element 11 .

[0084] The size of the first gear sleeve element 15 matches the size of the first chassis element 11. Generally, the radial size of the first gear sleeve element 15 is smaller than the difference between the radial size of the first chassis element 11 and the radial size of the first penetrating element, and the axial size of the first gear sleeve element 15 is larger than the axial size of the first chassis element 11.

[0085] In some of the embodiments, the cross-section of the first gear sleeve element 15 is a curved isosceles triangle. Specifically, the vertex of the first gear sleeve element 15 is arranged toward the center of the first chassis element 11, the center axis of the first gear sleeve element 15 is arranged to coincide with the radius of the first chassis element 11, the curvature of the bottom edge of the first gear sleeve element 15 is equal to the curvature of the first chassis element 11, and the centers of the two arc waists of the first gear sleeve element 15 are located outside the first gear sleeve element 15.

[0086] In some of the embodiments, the first gear sleeve element 15 is a protruding linkage element.

[0087] Furthermore, the first coupling unit 10 further includes a first buffer element 16 . The first buffer element 16 is disposed on the first chassis element 11 and abuts against the second coupling unit 20 .

[0088] In some of the embodiments, the connection method between the first cushioning element 16 and the first chassis element 11 includes but is not limited to bonding.

[0089] The size of the first cushioning element 16 matches the size of the first chassis element 11. Generally, the radial dimension of the outer contour of the first cushioning element 16 is not greater than the radial dimension of the first chassis element 11.

[0090] In some embodiments, there are multiple first cushioning elements 16 , and the multiple first cushioning elements 16 are disposed around the first chassis element 11 .

[0091] In some embodiments, the cross-section of the first cushioning element 16 is circular.

[0092] In some of the embodiments, the first cushioning element 16 includes, but is not limited to, a sealed wear pad.

[0093] like Figure 3 As shown, the second coupling unit 20 includes a second chassis element 21, a second coupling element 22, a second connecting element 23 and a plurality of second gear sleeve elements 24. The second chassis element 21 is horizontally arranged at the bottom of the first coupling unit 10; the second coupling element 22 is vertically arranged at the bottom of the second chassis element 21 and is coaxially arranged with the second chassis element 21; the second connecting element 23 is arranged at the second coupling element 22 and is limitedly connected with the hollow shaft of the pump; a plurality of second gear sleeve elements 24 are arranged around the second chassis element 21 and are limitedly connected with the first coupling unit 10, and a shock absorbing unit 30 is sleeved on the outer side of the second gear sleeve element 24.

[0094] Specifically, the second chassis element 21 is horizontally disposed at the bottom of the plurality of first gear sleeve elements 15 ; and the plurality of second gear sleeve elements 24 are respectively connected to the corresponding plurality of first gear sleeve elements 15 in a limiting manner.

[0095] In some embodiments, the longitudinal section of the second chassis element 21 is T-shaped. Specifically, the second chassis element 21 includes a chassis and a truncated cone. A plurality of second gear sleeve elements 24 are disposed on the top of the chassis; the truncated cone is coaxially disposed on the bottom of the chassis, and the bottom of the truncated cone is connected to the second coupling element 22.

[0096] The dimensions of the chassis match the dimensions of the first chassis element 11. Generally, the radial dimension of the chassis is equal to the radial dimension of the first chassis element 11.

[0097] In some of the embodiments, the chassis has a circular cross-section.

[0098] The size of the frustum matches the size of the chassis. Generally, the radial size of the frustum is smaller than the radial size of the chassis, and the axial size of the frustum is larger than the axial size of the chassis.

[0099] In some of the embodiments, the cross-section of the truncated cone is circular.

[0100] In some of the embodiments, the second chassis element 21 is a second coupling chassis.

[0101] In some of the embodiments, the second coupling element 22 and the second chassis element 21 are formed integrally.

[0102] In some of the embodiments, the second coupling element 22 is cylindrical.

[0103] The size of the second coupling element 22 matches the size of the second chassis element 21. Generally, the radial size of the second coupling element 22 is smaller than the radial size of the truncated cone, and the axial size of the second coupling element 22 is not smaller than the axial size of the second chassis element.

[0104] In some of the embodiments, the cross section of the second coupling element 22 is circular.

[0105] In some of the embodiments, the second coupling element 22 is a sleeve.

[0106] The second connecting element 23 is disposed on the outer side of the second coupling element 22 .

[0107] In some embodiments, the axial direction of the second connecting element 23 is parallel to the axial direction of the second coupling element 22 .

[0108] The size of the second connecting element 23 matches the size of the second coupling element 22. Generally, the radial size of the second connecting element 23 is smaller than the radial size of the second coupling element 22, and the axial size of the second connecting element 23 is not larger than the axial size of the second coupling element 22.

[0109] In some of the embodiments, the second connecting element 23 is a groove key.

[0110] In some of the embodiments, the connection method between the second gear sleeve component 24 and the second chassis component 21 includes but is not limited to welding and integral molding.

[0111] The number of the second gear sleeve elements 24 matches the number of the first gear sleeve elements 15. Generally, the number of the second gear sleeve elements 24 is equal to the number of the first gear sleeve elements 15. That is, the second gear sleeve elements 24 correspond to the first gear sleeve elements 15 one by one.

[0112] In some embodiments, the number of the second gear sleeve elements 24 is three, and the three second gear sleeve elements 24 are disposed around the second chassis element 21 .

[0113] The size of the second gear sleeve element 24 matches the size of the second chassis element 21. Generally, the radial size of the second gear sleeve element 24 is smaller than the radial size of the first chassis element 11, and the axial size of the first gear sleeve element 15 is larger than the axial size of the first chassis element 11.

[0114] The size of the second gear sleeve element 24 matches the size of the first gear sleeve element 15. Generally, the radial size of the second gear sleeve element 24 is equal to the radial size of the first gear sleeve element 15, the axial size of the second gear sleeve element 24 is equal to the axial size of the first gear sleeve element 15, and the distance from the second gear sleeve element 24 to the center of the second chassis element 21 is equal to the distance from the first gear sleeve element 15 to the center of the first chassis element 11.

[0115] In some embodiments, the cross-section of the second gear sleeve element 24 is a curved isosceles triangle. Specifically, the vertex of the second gear sleeve element 24 is arranged toward the center of the second chassis element 21, the center axis of the second gear sleeve element 24 coincides with the radius of the second chassis element 21, the curvature of the bottom edge of the second gear sleeve element 24 is equal to the curvature of the second chassis element 21, and the centers of the two arc waists of the second gear sleeve element 24 are located outside the second gear sleeve element 24.

[0116] In some of the embodiments, the second gear sleeve element 24 is a protruding linkage element.

[0117] Furthermore, the second coupling unit 20 further includes a second buffer element 25 . The second buffer element 25 is disposed on the second chassis element 21 and abuts against the first coupling unit 10 .

[0118] Specifically, the second buffer element 25 abuts against a plurality of first gear sleeve elements 15 .

[0119] In some of the embodiments, the second cushioning element 25 is connected to the chassis in a manner including but not limited to bonding.

[0120] The size of the second cushioning element 25 matches the size of the chassis. Generally, the radial size of the outer contour of the second cushioning element 25 is not greater than the radial size of the chassis.

[0121] In some embodiments, there are multiple second cushioning elements 25 , and the multiple second cushioning elements 25 are disposed around the second chassis element 21 .

[0122] In some embodiments, the cross section of the second cushioning element 25 is circular.

[0123] In some of the embodiments, the second cushioning element 25 includes, but is not limited to, a sealed wear pad.

[0124] like Figure 4 As shown, the damping unit 30 includes a plurality of first damping elements 31 and a plurality of second damping elements 32. The plurality of first damping elements 31 are sleeved on the bottom of the first coupling unit 10; and the plurality of second damping elements 32 are sleeved on the top of the second coupling unit 20.

[0125] Specifically, a plurality of first damping elements 31 are sleeved on the corresponding first gear sleeve elements 15 ; a plurality of second damping elements 32 are sleeved on the corresponding second gear sleeve elements 24 .

[0126] In some of the embodiments, the connection method between the first damping element 31 and the first gear sleeve element 15 includes but is not limited to bonding.

[0127] The number of the first damping elements 31 matches the number of the first gear sleeve elements 15. Generally, the number of the first damping elements 31 is equal to the number of the first gear sleeve elements 15. That is, the first damping elements 31 correspond to the first gear sleeve elements 15 one by one.

[0128] In some embodiments, the first shock absorbing element 31 is made of elastic material, including but not limited to rubber.

[0129] In some embodiments, the first shock absorbing element 31 is an elastic shock absorbing sleeve.

[0130] In some of the embodiments, the connection method between the second damping element 32 and the second gear sleeve element 24 includes but is not limited to bonding.

[0131] The number of the second damping elements 32 matches the number of the second gear sleeve elements 24. Generally, the number of the second damping elements 32 is equal to the number of the second gear sleeve elements 24. That is, the second damping elements 32 correspond to the second gear sleeve elements 24 one by one.

[0132] In some embodiments, the second shock absorbing element 32 is made of elastic material, including but not limited to rubber.

[0133] In some embodiments, the second shock absorbing element 32 is an elastic shock absorbing sleeve.

[0134] The method of using the utility model is as follows:

[0135] (I) Installation

[0136] 1. Place the second coupling element 22 into the interior of the pump hollow shaft, and connect the second connecting element 23 to the pump hollow shaft;

[0137] 2. Place the second chassis element 21 on the top surface of a plurality of second gear sleeve elements 24, and alternately arrange a plurality of first gear sleeve elements 15 and a plurality of second gear sleeve elements 24;

[0138] 2. Place the motor shaft into the through-element 13 and connect it to the first connecting element 14 in a limiting manner.

[0139] (II) Operation

[0140] When the motor shaft rotates, the first coupling element 12 and the first gear sleeve element 15 rotate together, and the first gear sleeve element 15 drives the second gear sleeve element 24 and the second coupling element 22 to rotate together, thereby driving the pump hollow shaft to rotate.

[0141] The advantage of the utility model is that by arranging a first coupling unit and a second coupling unit that can transmit rotation between the motor shaft and the hollow shaft of the pump, and arranging a shock-absorbing unit between the first coupling unit and the second coupling unit, the vibration of the pump can be reduced, and it is easy to replace and adjust, thus solving the problem that the rigid connection error between the pump and the motor affects the operation of the pump and causes large vibration of the pump.

[0142] Example 2

[0143] This embodiment is a supplementary embodiment of Embodiment 1.

[0144] like Figure 5 As shown, the motor elastic coupling structure further includes a transition unit 40. The transition unit 40 is arranged outside the first coupling unit 10 and the second coupling unit 20 for protection and maintenance.

[0145] like Figure 6 As shown, the transition unit 40 includes a transition element 41, an inspection element 42, a first end cover element 43 and a second end cover element 44. The transition element 41 is vertically arranged outside the first coupling unit 10 and the second coupling unit 20 for protection; the inspection element 42 is arranged through the side wall of the transition element 41 for inspection; the first end cover element 43 is arranged at the bottom of the transition element 41 and connected to the platform; the second end cover element 44 is arranged at the top of the transition element 41.

[0146] Specifically, the transition element 41 is vertically arranged on the outer sides of the first coupling element 12 , the first chassis element 11 , and the second chassis element 21 .

[0147] The size of the transition element 41 matches the size of the first chassis element 11 (the second chassis element 21). Generally, the radial size of the inner contour of the cross section of the transition element 41 is larger than the radial size of the first chassis element 11 (the second chassis element 21), and the axial size of the transition element 41 is larger than the axial size of the first chassis element 11 (the second chassis element 21).

[0148] The size of the transition element 41 matches the size of the first coupling element 12. Generally, the axial size of the transition element 41 is greater than the axial size of the first coupling element 12.

[0149] The axial dimension of the transition element 41 is not less than the sum of the axial dimensions of the first coupling element 12 , the first gear sleeve element 15 , the second gear sleeve element 24 , and the second chassis element 21 .

[0150] In some of the embodiments, the cross section of the transition element 41 is annular.

[0151] In some of the embodiments, the transition element 41 is a steel pipe.

[0152] The size of the repair element 42 matches the size of the transition element 41. Generally, the radial size of the repair element 42 is smaller than the radial size and axial size of the transition element 41.

[0153] In some embodiments, there are multiple repair elements 42 , and the multiple repair elements 42 are arranged around the transition element 41 .

[0154] In some embodiments, there are two maintenance elements 42. The two maintenance elements 42 are symmetrically arranged.

[0155] In some of the embodiments, the access element 42 is an access hole.

[0156] In some of the embodiments, the connection method between the first end cover element 43 and the transition element 41 includes but is not limited to welding.

[0157] The size of the first end cover element 43 matches the size of the transition element 41. Generally, the radial size of the first end cover element 43 is larger than the radial size of the outer contour of the cross section of the transition element 41, and the radial size of the inner contour of the cross section of the first end cover element 43 is equal to the radial size of the inner contour of the cross section of the transition element 41.

[0158] In some of the embodiments, the cross section of the first end cover element 43 is circular.

[0159] In some of the embodiments, the first end cover element 43 includes but is not limited to a flange.

[0160] In some of the embodiments, the connection method between the second end cover element 44 and the transition element 41 includes but is not limited to welding.

[0161] The size of the second end cover element 44 matches the size of the first end cover element 43. Generally, the radial dimensions of the outer and inner contours of the cross section of the second end cover element 44 are equal to the radial dimensions of the outer and inner contours of the cross section of the first end cover element 43, respectively.

[0162] In some of the embodiments, the cross section of the second end cover element 44 is annular.

[0163] In some of the embodiments, the second end cap component 44 includes, but is not limited to, a flange.

[0164] Furthermore, the transition unit 40 further includes a plurality of third connection elements 45. The plurality of third connection elements 45 are distributed on the first end cover element 43 and connected to the platform.

[0165] In some of the embodiments, the third connecting element 45 is disposed through the upper surface and the lower surface of the first end cover element 43 .

[0166] In some of the embodiments, the third connecting element 45 is connected to the platform via bolts.

[0167] In some embodiments, the third connecting element 45 is a first mounting hole, including but not limited to a through hole and a threaded hole.

[0168] Furthermore, the transition unit 40 further includes a plurality of fourth connection elements 46 , wherein the plurality of fourth connection elements 46 are distributed on the second end cover element 44 .

[0169] In some of the embodiments, the fourth connecting element 46 is disposed through the upper surface and the lower surface of the second end cover element 44 .

[0170] In some embodiments, the fourth connecting element 46 is a second mounting hole, including but not limited to a through hole and a threaded hole.

[0171] The advantage of this embodiment is that, by providing the transition unit, a protective effect is played on the first coupling unit and the second coupling unit.

[0172] Example 3

[0173] This embodiment is a supplementary embodiment of Embodiments 1 and 2.

[0174] like Figure 7 As shown, the motor elastic coupling structure further includes a locking unit 50. The locking unit 50 is detachably connected to the first coupling unit 10 and the second coupling unit 20 respectively.

[0175] In some embodiments, the locking unit 50 includes but is not limited to a bolt, a pin or other forms of fasteners.

[0176] like Figure 8 As shown, the first coupling unit 10 further includes a first locking element 17. The first locking element 17 is disposed on the first coupling unit 10 and is detachably connected to the locking unit 50.

[0177] Specifically, the first locking element 17 is provided on the first chassis element 11 .

[0178] The first locking element 17 is disposed through the upper surface and the lower surface of the first chassis element 11 .

[0179] In some embodiments, there are multiple first locking elements 17 , and the multiple first locking elements 17 are evenly arranged around the first chassis element 11 .

[0180] In some of the embodiments, at least one first locking element 17 is disposed between two adjacent first gear sleeve elements 15 .

[0181] The size of the first locking element 17 matches the size of the first chassis element 11. Generally, the radial size of the first locking element 17 is smaller than the difference between the radial size of the first chassis element 11 and the radial size of the first coupling element 12.

[0182] In some of the embodiments, the cross section of the first locking element 17 is circular.

[0183] In some embodiments, the first locking element 17 is a first locking hole, including but not limited to a first threaded hole.

[0184] like Fig. 9 As shown, the second coupling unit 20 further includes a second locking element 26. The second locking element 26 is disposed on the second coupling unit 20 and is detachably connected to the locking unit 50.

[0185] Specifically, the second locking element 26 is provided on the second chassis element 21 .

[0186] The second locking element 26 is disposed through the upper surface and the lower surface of the second chassis element 21 .

[0187] The number of the second locking elements 26 matches the number of the first locking elements 17. Generally, the number of the second locking elements 26 is equal to the number of the first locking elements 17. That is, the second locking elements 26 correspond to the first locking elements 17 one by one.

[0188] In some embodiments, there are multiple second locking elements 26 , and the multiple second locking elements 26 are evenly arranged around the second chassis element 21 .

[0189] In some of the embodiments, at least one second locking element 26 is disposed between two adjacent second gear sleeve elements 24 .

[0190] The size of the second locking element 26 matches the size of the second chassis element 21. Generally, the radial size of the second locking element 26 is smaller than the difference between the radial size of the second chassis element 21 and the radial size of the second coupling element 22.

[0191] In some of the embodiments, the cross section of the second locking element 26 is circular.

[0192] In some embodiments, the second locking element 26 is a second locking hole, including but not limited to a second threaded hole.

[0193] The utility model has the advantage that the locking unit is provided to prevent the first coupling unit and the second coupling unit from being separated during operation, thereby ensuring the stability and safety of the operation.

[0194] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor elastic coupling structure, characterized in that: include: A first coupling unit, which is vertically arranged and limit-connected to the motor shaft and is used for self-rotation under the action of the motor shaft; A second coupling unit, wherein the second coupling unit is vertically arranged at the bottom of the first coupling unit, the top of the second coupling unit is limitedly connected to the bottom of the first coupling unit, and the bottom of the second coupling unit is limitedly connected to the hollow shaft of the pump, and is used for self-rotation under the action of the first coupling unit; A shock absorbing unit is respectively sleeved on the bottom of the first coupling unit and the top of the second coupling unit to reduce vibration.

2. The motor elastic coupling structure according to claim 1, characterized in that: The first coupling unit comprises: a first chassis element, the first chassis element being arranged horizontally and abutting against a top surface of the second coupling unit; A first coupling element, the first coupling element is vertically arranged on the top of the first chassis element and is coaxially arranged with the first chassis element; a through element, wherein the through element penetrates the first coupling element along the axial direction of the first coupling element and is coaxially arranged with the first coupling element, and a motor shaft is arranged inside the through element; A first connecting element, the first connecting element is arranged inside the through element and is limitedly connected to the motor shaft; A plurality of first gear sleeve elements are arranged around the first chassis element and are respectively connected with the second coupling unit in a limiting manner. The outer side of the first gear sleeve element is sleeved with the shock absorbing unit.

3. The motor elastic coupling structure according to claim 2, characterized in that: The first coupling unit also includes: A first buffer element is arranged on the first chassis element and abuts against the second coupling unit.

4. The motor elastic coupling structure according to claim 1, characterized in that: The second coupling unit comprises: a second chassis element, the second chassis element being horizontally disposed at the bottom of the first coupling unit; A second coupling element, the second coupling element is vertically arranged at the bottom of the second chassis element and is coaxially arranged with the second chassis element; A second connecting element, the second connecting element is arranged on the second coupling element and is limitedly connected with the hollow shaft of the pump; A plurality of second gear sleeve elements are arranged around the second chassis element and are position-limitedly connected with the first coupling unit. The outer side of the second gear sleeve element is sleeved with the shock absorbing unit.

5. The motor elastic coupling structure according to claim 4, characterized in that: The second coupling unit also includes: A second buffer element is provided on the second chassis element and abuts against the first coupling unit.

6. The motor elastic coupling structure according to claim 1, characterized in that: The shock absorbing unit comprises: A plurality of first shock absorbing elements, wherein the plurality of first shock absorbing elements are sleeved on the bottom of the first coupling unit; A plurality of second shock absorbing elements are sleeved on the top of the second coupling unit.

7. The motor elastic coupling structure according to any one of claims 1 to 6, characterized in that: Also includes: A transition unit, which is arranged outside the first coupling unit and the second coupling unit for protection and maintenance; and / or A locking unit is detachably connected to the first coupling unit and the second coupling unit respectively.

8. The motor elastic coupling structure according to claim 7, characterized in that: The transition unit comprises: A transition element, which is vertically arranged outside the first coupling unit and the second coupling unit for protection; An inspection element, the inspection element is arranged through the side wall of the transition element and is used for inspection; a first end cover element, the first end cover element being disposed at the bottom of the transition element and connected to the platform; A second end cover element is disposed on the top of the transition element.

9. The motor elastic coupling structure according to claim 8, characterized in that: The transition unit also includes: A plurality of third connecting elements, wherein the plurality of third connecting elements are distributed on the first end cover element and connected to the platform; and / or A plurality of fourth connecting elements are distributed on the second end cover element.

10. The motor elastic coupling structure according to claim 7, characterized in that: The first coupling unit also includes: A first locking element, which is disposed on the first coupling unit and is detachably connected to the locking unit; and / or The second coupling unit also includes: A second locking element is provided on the second coupling unit and is detachably connected to the locking unit.

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