CN212155249U - Self priming pump coupler convenient to dismantle - Google Patents
Self priming pump coupler convenient to dismantle Download PDFInfo
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- CN212155249U CN212155249U CN202020802886.2U CN202020802886U CN212155249U CN 212155249 U CN212155249 U CN 212155249U CN 202020802886 U CN202020802886 U CN 202020802886U CN 212155249 U CN212155249 U CN 212155249U
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Abstract
The utility model belongs to the field of couplers for pumps and discloses a self-priming pump coupler convenient to disassemble; the pump comprises a copper rotor and a permanent magnet rotor, wherein the copper rotor is connected with a first pump shaft, the permanent magnet rotor is connected with a second pump shaft, and the first pump shaft is connected with a third pump shaft; the second pump shaft is connected with the fourth pump shaft; the third pump shaft is inserted in the fifth pump shaft, the fourth pump shaft is inserted in the sixth pump shaft, the fifth pump shaft and the third pump shaft are provided with first through holes, and the sixth pump shaft and the second pump shaft are provided with second through holes; the connecting rod has been run through in first through-hole and the second through-hole, the one end of connecting rod is connected with the barb structure, and the other end is connected with the stopper, the other end of fifth pump shaft is connected with the driving motor of self priming pump, the other end of sixth pump shaft is connected with the impeller of self priming pump. The utility model discloses simple structure, can carry out soft start, convenient to detach, but wide application in self priming pump field.
Description
Technical Field
The utility model relates to a coupler technical field for the pump, concretely relates to self priming pump coupler convenient to dismantle.
Background
The coupling is a connecting device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection. The coupling is usually composed of two halves, which are fastened to the two shaft ends by means of a key or a tight fit, and the two halves are connected together in some way.
The magnetic coupler is also called as a magnetic coupling and a permanent magnet transmission device. Mainly comprises a copper rotor and a permanent magnet rotor. Generally, a copper rotor is connected with a motor shaft, a permanent magnet rotor is connected with the shaft of a working machine, an air gap (called air gap) is formed between the copper rotor and the permanent magnet rotor, no mechanical connection for transmitting torque exists, and a magnetic coupler is a non-rigid connector, has a good soft start function, is simple in structure and has an obvious vibration reduction effect.
The self-priming pump usually needs to disassemble the driving motor and the pump body part in the maintenance and disassembly processes, the driving motor and the pump body of the self-priming pump in the prior art are generally connected through a coupler, and screws on the coupler need to be screwed through a special tool in the connection process, so that the screwed screws need to be unscrewed through the special tool during disassembly, however, the coupler usually receives large torque during operation in reality, so that the problems that the screws on the coupler are easy to slip and not easy to unscrew are caused, and the general number of the screws on the coupler in the prior art is large, and the installation and disassembly processes are complicated, time-consuming and labor-consuming; in addition, the coupling connection mode belongs to rigid connection, no buffer force exists between the driving motor and the impeller, the driving motor is inconvenient to start, and the transmission torque is also inconvenient. In view of the great advantages of magnetic couplers, how to provide a flexibly connected self-priming pump coupler which is easy to disassemble is a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the difficult problem of shaft coupling rigid connection and difficult dismantlement installation among the prior art, and provide a flexible connection's convenient to detach's self priming pump coupler.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
designing a self-priming pump coupler convenient to disassemble, which comprises a copper rotor and a permanent magnet rotor matched and connected with the copper rotor, wherein the copper rotor is connected with one end of a first pump shaft, the permanent magnet rotor is connected with one end of a second pump shaft, and the other end of the first pump shaft is connected with a third pump shaft; the other end of the second pump shaft is connected with a fourth pump shaft; the third pump shaft and the fourth pump shaft have the same structure, and the cross sections of the third pump shaft and the fourth pump shaft are in a cross shape; the third pump shaft is inserted into a groove of the fifth pump shaft, the fourth pump shaft is inserted into a groove of the sixth pump shaft, a first buffer sleeve is arranged between the third pump shaft and the fifth pump shaft, a second buffer sleeve is arranged between the fourth pump shaft and the sixth pump shaft, the depth of the groove of the fifth pump shaft is longer than the length of the third pump shaft, and the depth of the groove of the sixth pump shaft is longer than the length of the fourth pump shaft; two rows of first through holes are formed in the fifth pump shaft, the first buffer sleeve and the third pump shaft, and two rows of second through holes are formed in the sixth pump shaft, the second buffer sleeve and the second pump shaft; the connecting rod has been run through in first through-hole and the second through-hole, the one end of connecting rod is connected with the barb structure, and the other end is connected with the stopper of C shape structure, the other end of fifth pump shaft is connected with the driving motor of self priming pump, the other end of sixth pump shaft is connected with the impeller of self priming pump.
Preferably, connecting rod, barb structure and stopper integrated into one piece form a connecting piece, can be convenient be connected third pump shaft and fifth pump shaft, fourth pump shaft and sixth pump shaft.
Preferably, the first through holes and the second through holes are uniformly arranged, and the connecting positions of the third pump shaft and the fifth pump shaft and the connecting positions of the fourth pump shaft and the sixth pump shaft can be conveniently adjusted through the first through holes and the second through holes, so that the air gaps between the copper rotor and the permanent magnet rotor can be conveniently adjusted.
Preferably, the first pump shaft, the second pump shaft, the fifth pump shaft and the sixth pump shaft are all cylinder structures, and the cylinder structures are convenient to connect with a bearing, a rotor of a driving motor and an impeller.
After the above structure is adopted in the utility model, beneficial effect lies in:
(1) the utility model discloses be equipped with first cushion collar between third pump shaft and fifth pump shaft, be equipped with the second cushion collar between fourth pump shaft and sixth pump shaft, the rigid connection between third pump shaft and fifth pump shaft has effectively been avoided to the first cushion collar that sets up, the rigid connection between fourth pump shaft and sixth pump shaft has effectively been avoided to the second cushion collar that sets up, can effectively avoid the damage of pump shaft under the quick start of driving motor, copper rotor passes through magnetic force transmission moment of torsion with the permanent magnet rotor simultaneously, the purpose of soft start has been played, the rotational speed is slower when driving motor just starts, the magnetic field effect of copper rotor and permanent magnet rotor is not obvious, the resistance of permanent magnet rotor is also less, the driving motor at this moment receives the bearing capacity less, be convenient for quick start;
(2) the third pump shaft and the fifth pump shaft of the utility model are connected through the connecting rod, the fourth pump shaft and the sixth pump shaft are also connected through the connecting rod, when in disassembly, only the limiting block is required to be applied with an acting force outwards, the connecting rod and the barb structure slide out from the first through hole or the second through hole, then the third pump shaft is inserted into the groove of the fifth pump shaft continuously, the fourth pump shaft is inserted into the groove of the sixth pump shaft continuously, the gap between the copper rotor and the permanent magnet rotor is increased, so that the whole of the copper rotor, the first pump shaft and the third pump shaft can be firstly drawn out, and then the whole of the permanent magnet rotor, the second pump shaft and the fourth pump shaft can be drawn out, the whole coupler can be quickly disassembled, the utility model is convenient to assemble and disassemble, and simultaneously, no screw is used for rigid connection, and the situation that the disassembly is not facilitated such as sliding wire and the like can not occur in the disassembling process;
(3) the utility model is convenient to install and disassemble, and simultaneously, the driving torque of the driving motor is convenient to rapidly start through the transmission torque of the magnetic coupler consisting of the copper rotor and the permanent magnet rotor, and the damage of rigid connection to the pump shaft is also avoided; and because the clearance is arranged between the copper rotor and the permanent magnet rotor, the vibration of the driving motor can not be transmitted to the impeller, the working stability of the impeller is improved, and the impeller has wide application prospect.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of a discrete structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the middle connection rod, the barb structure and the limiting block of the present invention;
fig. 4 is the utility model discloses well connecting rod, barb structure and stopper and third pump shaft, fifth pump shaft and the connection structure schematic diagram of first cushion collar.
In the figure: copper rotor 1, permanent magnet rotor 2, first pump shaft 3, second pump shaft 4, third pump shaft 5, fourth pump shaft 6, fifth pump shaft 7, sixth pump shaft 8, first cushion collar 9, second cushion collar 10, first through-hole 11, second through-hole 12, connecting rod 13, barb structure 14, stopper 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the self-priming pump coupler convenient to disassemble of the present invention includes a copper rotor 1 and a permanent magnet rotor 2 cooperatively connected with the copper rotor 1, wherein the copper rotor 1 is connected with one end of a first pump shaft 3, the permanent magnet rotor 2 is connected with one end of a second pump shaft 4, and the other end of the first pump shaft 3 is connected with a third pump shaft 5; the other end of the second pump shaft 4 is connected with a fourth pump shaft 6; the third pump shaft 5 and the fourth pump shaft 6 have the same structure, and the cross sections of the third pump shaft and the fourth pump shaft are in a cross shape; the third pump shaft 5 is inserted into a groove of a fifth pump shaft 7, the fourth pump shaft 6 is inserted into a groove of a sixth pump shaft 8, a first buffer sleeve 9 is arranged between the third pump shaft 5 and the fifth pump shaft 7, a second buffer sleeve 10 is arranged between the fourth pump shaft 6 and the sixth pump shaft 8, the depth of the groove of the fifth pump shaft 7 is longer than the length of the third pump shaft 5, the depth of the groove of the sixth pump shaft 8 is longer than the length of the fourth pump shaft 6, and the first pump shaft 3, the second pump shaft 4, the fifth pump shaft 7 and the sixth pump shaft 8 are all of a cylindrical structure; two rows of first through holes 11 are formed in the fifth pump shaft 7, the first buffer sleeve 9 and the third pump shaft 5, two rows of second through holes 12 are formed in the sixth pump shaft 8, the second buffer sleeve 10 and the second pump shaft 4, and five first through holes 11 and five second through holes 12 are formed in each row and are uniformly arranged; a connecting rod 13 penetrates through the first through hole 11 and the second through hole 12, one end of the connecting rod 13 is connected with a barb structure 14, the other end of the connecting rod 13 is connected with a limiting block 15 with a C-shaped structure, and the connecting rod 13, the barb structure 14 and the limiting block 15 are integrally formed; the other end of the fifth pump shaft 7 is connected with a driving motor of the self-priming pump, and the other end of the sixth pump shaft 8 is connected with an impeller of the self-priming pump.
The working principle is as follows: the fifth pump shaft 7 of the device provided by the embodiment of the utility model is connected with the driving motor of the self-priming pump, before working, the first buffer sleeve 9 is sleeved on the third pump shaft 5, the third pump shaft 5 sleeved with the first buffer sleeve 9 is inserted in the fifth pump shaft 7, then the connecting rod 13 sequentially passes through the first through holes 11 on the fifth pump shaft 7, the first buffer sleeve 9 and the third pump shaft 5, the barb structure 14 at one end of the connecting rod 13 and the limiting block 15 at the other end are clamped on the surface of the fifth pump shaft 7, and the third pump shaft 5 and the fifth pump shaft 7 are fixed; meanwhile, the sixth pump shaft 8 of the device provided by the embodiment of the utility model is connected with the impeller of the self-priming pump, before working, the second buffer sleeve 10 is sleeved on the fourth pump shaft 6, the fourth pump shaft 6 sleeved with the second buffer sleeve 10 is inserted into the sixth pump shaft 8, then the connecting rod 13 sequentially passes through the sixth pump shaft 8, the second buffer sleeve 10 and the second through hole 12 on the fourth pump shaft 6, the barb structure 14 at one end of the connecting rod 13 and the limiting block 15 at the other end are clamped on the surface of the sixth pump shaft 8, and the fourth pump shaft 6 and the sixth pump shaft 8 are fixed; at the moment, the copper rotor 1 and the permanent magnet rotor 2 are close to each other. When the self-priming pump works, a driving motor of the self-priming pump is started, a rotor of the driving motor sequentially drives a fifth pump shaft 7, a third pump shaft 5, a first pump shaft 3 and a copper rotor 1 to rotate, a permanent magnet rotor 2 matched with the copper rotor 1 generates eddy current on the permanent magnet rotor 2 in the process of cutting magnetic lines of force by the copper rotor, the eddy current generates an induction magnetic field around the permanent magnet rotor 2 in turn, the relative motion of the permanent magnet rotor 2 and the copper rotor 1 is prevented, and therefore torque transmission between the copper rotor 1 and the permanent magnet rotor 2 is achieved; after the permanent magnet rotor 2 rotates, the second pump shaft 4, the fourth pump shaft 6 and the sixth pump shaft 8 are sequentially driven to rotate, and the sixth pump shaft 8 drives an impeller of the self-priming pump to rotate, so that the beneficial effect that the driving motor drives the impeller to rotate is achieved; the utility model discloses be equipped with first cushion collar 9 between third pump shaft 5 and fifth pump shaft 7, be equipped with second cushion collar 10 between fourth pump shaft 6 and the sixth pump shaft 8, the rigid connection between third pump shaft 5 and the fifth pump shaft 7 has effectively been avoided to the first cushion collar 9 that sets up, the rigid connection between fourth pump shaft 6 and the sixth pump shaft 8 has effectively been avoided to the second cushion collar 10 that sets up, can effectively avoid the damage of pump shaft under the quick start, copper rotor 1 passes through magnetic force transmission moment of torsion with permanent magnet rotor 2 simultaneously, the purpose of soft start has been played, the rotational speed is slower when driving motor just starts, the magnetic field effect of copper rotor 1 and permanent magnet rotor 2 is not obvious, permanent magnet rotor 2's resistance is also less, the driving motor that this moment receives the loading power is less, be convenient for quick start; finally, the embodiment of the utility model provides a third pump shaft 5 and the fifth pump shaft 7 of device that provide are connected through connecting rod 13, fourth pump shaft 6 and sixth pump shaft 8 also connect through connecting rod 13, only need outwards apply the effort to stopper 15 during the dismantlement, connecting rod 13, barb structure 14 just follows roll-off in first through-hole 11 or the second through-hole 12, continue to insert in the recess of third pump shaft 5 to fifth pump shaft 7 again, continue to insert in the recess of fourth pump shaft 6 to sixth pump shaft 8, the clearance between copper rotor 1 and the permanent magnet rotor 2 just increases to some extent, then can be through taking out copper rotor 1 earlier, the whole of first pump shaft 3 and third pump shaft 5 or take out permanent magnet rotor 2 earlier, the whole of second pump shaft 4 and fourth pump shaft 6 earlier, alright with whole coupler quick dismantlement.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The self-priming pump coupler convenient to disassemble is characterized by comprising a copper rotor (1) and a permanent magnet rotor (2) which is connected with the copper rotor (1) in a matched mode, wherein the copper rotor (1) is connected with one end of a first pump shaft (3), the permanent magnet rotor (2) is connected with one end of a second pump shaft (4), and the other end of the first pump shaft (3) is connected with a third pump shaft (5); the other end of the second pump shaft (4) is connected with a fourth pump shaft (6); the third pump shaft (5) and the fourth pump shaft (6) have the same structure, and the cross sections of the third pump shaft and the fourth pump shaft are in a cross shape; the pump comprises a third pump shaft (5), a fourth pump shaft (6), a fourth pump shaft (8), a first buffer sleeve (9), a second buffer sleeve (10), a third pump shaft (5), a fourth pump shaft (6), a fifth pump shaft (7), a sixth pump shaft (8), a sixth pump shaft (6) and a fourth pump shaft (6), wherein the third pump shaft (5) is inserted in a groove of the fifth pump shaft (7), the fourth pump shaft (6) is inserted between the third pump shaft (5) and the fifth pump shaft (7), the fifth pump shaft (7) is deeper than the third pump shaft (5), and the sixth pump shaft (8) is deeper than the; two rows of first through holes (11) are formed in the fifth pump shaft (7), the first buffer sleeve (9) and the third pump shaft (5), and two rows of second through holes (12) are formed in the sixth pump shaft (8), the second buffer sleeve (10) and the second pump shaft (4); run through connecting rod (13) in first through-hole (11) and second through-hole (12), the one end of connecting rod (13) is connected with barb structure (14), and the other end is connected with stopper (15) of C shape structure, the other end of fifth pump shaft (7) is connected with the driving motor of self priming pump, the other end of sixth pump shaft (8) is connected with the impeller of self priming pump.
2. The self-primer pump coupler convenient to disassemble as claimed in claim 1, wherein the connecting rod (13), the barb structure (14) and the stopper (15) are integrally formed.
3. The self-primer pump coupler convenient to disassemble as claimed in claim 1, wherein the first through hole (11) and the second through hole (12) are provided with a plurality of through holes which are uniformly arranged.
4. The self-primer pump coupler convenient to disassemble as recited in claim 1, wherein the first pump shaft (3), the second pump shaft (4), the fifth pump shaft (7) and the sixth pump shaft (8) are all cylinder structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802886.2U CN212155249U (en) | 2020-05-14 | 2020-05-14 | Self priming pump coupler convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020802886.2U CN212155249U (en) | 2020-05-14 | 2020-05-14 | Self priming pump coupler convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155249U true CN212155249U (en) | 2020-12-15 |
Family
ID=73711035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020802886.2U Active CN212155249U (en) | 2020-05-14 | 2020-05-14 | Self priming pump coupler convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155249U (en) |
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2020
- 2020-05-14 CN CN202020802886.2U patent/CN212155249U/en active Active
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