Nd-Fe-B magnetic ring wet rotor assembly suitable for direct current machine pump

Abstract

The application relates to the technical field of direct-current machine pump rotors, in particular to a neodymium iron boron magnetic ring wet rotor assembly suitable for a direct-current machine pump, which comprises a transmission shaft, the surface middle part of the transmission shaft is fixedly connected with an armature, the surface upper end of the transmission shaft is fixedly connected with a commutator, the surface of the commutator is provided with a circular groove, the inner part of the circular groove is fixedly connected with a fixed shaft, the front end surface of the fixed shaft is fixedly connected with a circular plate, the upper surface of the circular plate is fixedly connected with a fixed rod, the top end of the fixed rod is fixedly connected with a push rod, the rear surface of the circular plate is fixedly connected with a rotating wheel, the left surface of an L-shaped plate is fixedly connected with a linkage rod, and the left surface of a fixed block is fixedly connected with a brake rod. The application drives the fixed shaft to rotate through the motor, the circular plate drives the push rod to rotate in a circle, the push rod hits the linkage rod when reaching a certain position, and finally the connecting rod is blocked from rotating on the L-shaped plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of DC machine pump rotor, in particular to a Nd-Fe-B magnetic ring wet rotor assembly suitable for DC machine pump. BACKGROUND

[0002] Rotor refers to the rotating body supported by the bearing, the object such as optical disc itself without rotating shaft, when it adopts rigid connection or additional shaft, it can be regarded as a rotor, the rotor composed of rotating shaft core and closed conductor embedded in the core in induction motor, under the drive of rotating magnetic field generated by stator winding, high-speed rotary motion is generated, the rotor is supported by rolling bearing and installed in the end cover of motor housing.

[0003] The existing rotor operation is mainly through the copper wire wound on the surface of the armature and the commutator to drive the commutator to work after being connected to the power supply, if you want to stop the rotor, you must pull out the power supply, in view of the shortcomings of the prior art, the present application provides a limiting device based on the direct work of the commutator driven by the copper wire after being connected to the power supply. SUMMARY

[0004] The present application aims at the deficiencies of the prior art, and provides a Nd-Fe-B magnetic ring wet rotor assembly suitable for DC machine pump to solve the problems in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme: a Nd-Fe-B magnetic ring wet rotor assembly suitable for DC machine pump, comprising a transmission shaft, the surface of the transmission shaft is fixedly connected with an armature in the middle, the surface of the transmission shaft is fixedly connected with a commutator at the upper end, the surface of the commutator is provided with a circular groove, the inside of the circular groove is fixedly connected with a fixed shaft, the front end surface of the fixed shaft is fixedly connected with a circular plate, the upper surface of the circular plate is fixedly connected with a fixed rod, the top end of the fixed rod is fixedly connected with a push rod, the rear surface of the circular plate is fixedly connected with a runner, the upper surface of the runner is fixedly connected with a connecting rod, the surface of the commutator is fixedly connected with a fixed block, the left surface of the fixed block is fixedly connected with a plug rod, the surface of the plug rod is fixedly connected with an L-shaped plate, the left surface of the L-shaped plate is fixedly connected with a torsion spring, the top end of the plug rod is fixedly connected with a baffle, the left surface of the L-shaped plate is fixedly connected with a linkage rod, and the left surface of the fixed block is fixedly connected with a brake rod.

[0006] As a preferred technical scheme of the present application, the inner diameter of the commutator and the armature is larger than the inner diameter of the transmission shaft, and the height of the armature is smaller than the height of the transmission shaft, which is conducive to the fixed connection of the armature, the commutator and the transmission shaft, ensures the stability of the whole device, and ensures the implementability of the whole device.

[0007] As a preferred technical scheme of the present application, the size of the notch at the bottom end of the commutator and the notch on the surface of the armature is equal, and the positions are corresponding to each other, which is beneficial to link the commutator and the armature through the copper wire, and ensures the practicability of the overall device.

[0008] As a preferred technical scheme of the present application, the depth of the circular groove is less than the inner diameter of the commutator, and the inner diameter of the fixing shaft is less than the inner diameter of the circular groove, which is beneficial to open the appropriate circular groove in the commutator, and the fixing shaft rotates in the circular groove without affecting the use of other components, and ensures the normal use of the device.

[0009] As a preferred technical scheme of the present application, the inner diameter of the circular plate is greater than the inner diameter of the fixing shaft, and the inner diameter of the circular plate is less than the size of the notch at the bottom surface of the commutator, and the inner diameter of the runner is greater than the inner diameter of the circular plate, which is beneficial to the efficient operation of the circular plate at the notch at the bottom surface of the commutator, and ensures the operability of the overall device.

[0010] As a preferred technical scheme of the present application, the four connecting rods are uniformly distributed on the front surface of the runner, the height of the connecting rod is less than the height from the pushing rod to the connecting rod, and the length of the pushing rod is greater than the distance from the bottom end of the pushing rod to the upper surface of the linkage rod, which is beneficial to ensure the effective collision of the pushing rod and the linkage rod, and the connecting rod does not hinder the circular motion of the pushing rod on the surface of the circular plate, enhances the stability of the device, and ensures the practicability of the overall device.

[0011] As a preferred technical scheme of the present application, the length of the L-shaped plate is less than the length of the notch at the bottom surface of the commutator, and the length of the brake rod is greater than the length from the inner side of the fixing block to the outer side of the L-shaped plate, which is beneficial to limit the activity range of the L-shaped plate, ensures the stability of the overall device working at the notch at the bottom surface of the commutator, and also ensures the efficiency of the overall device.

[0012] The present application has the following advantages:

[0013] The neodymium iron boron magnetic ring wet rotor assembly suitable for the direct current motor pump is driven by the motor to rotate the fixing shaft, and then the circular plate drives the pushing rod to rotate, and when the pushing rod reaches a certain position, it collides with the linkage rod, and finally the connecting rod is blocked on the L-shaped plate, so that the overall device is flexibly controlled, the use performance of the overall device is enhanced, and the limiting device is added on the basis of the traditional direct working of the armature through the copper wire after being electrified. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a direct view schematic diagram of the appearance structure of the present application;

[0015] Figure 2 It is a direct view schematic diagram of the commutator structure of the present application;

[0016] Figure 3 For the intermittent rotating wheel structure of the present application, a direct view schematic diagram is shown in the figure.

[0017] Figure 4 For the intermittent fixed structure of the present application, a direct view schematic diagram is shown in the figure.

[0018] In the figure: 1, transmission shaft; 2, armature; 3, commutator; 4, fixed block; 5, circular groove; 6, fixed shaft; 7, rotating wheel; 8, connecting rod; 9, circular plate; 10, fixed rod; 11, push rod; 12, insertion rod; 13, torsional spring; 14, baffle; 15, linkage rod; 16, L-shaped plate; 17, brake rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4 In the embodiment, a Nd-Fe-B magnetic ring wet rotor assembly suitable for a direct current motor pump includes a transmission shaft 1, an armature 2 fixedly connected to the middle part of the surface of the transmission shaft 1, a commutator 3 fixedly connected to the upper end of the surface of the transmission shaft 1, a circular groove 5 formed in the surface of the commutator 3, a fixed shaft 6 fixedly connected to the inside of the circular groove 5, a circular plate 9 fixedly connected to the front end surface of the fixed shaft 6, a fixed rod 10 fixedly connected to the upper surface of the circular plate 9, a push rod 11 fixedly connected to the top end of the fixed rod 10, a rotating wheel 7 fixedly connected to the rear surface of the circular plate 9, a connecting rod 8 fixedly connected to the upper surface of the rotating wheel 7, a fixed block 4 fixedly connected to the surface of the commutator 3, an insertion rod 12 fixedly connected to the left side surface of the fixed block 4, an L-shaped plate 16 fixedly connected to the surface of the insertion rod 12, a torsional spring 13 fixedly connected to the left side surface of the L-shaped plate 16, a baffle 14 fixedly connected to the top end of the insertion rod 12, a linkage rod 15 fixedly connected to the left side surface of the L-shaped plate 16, and a brake rod 17 fixedly connected to the left side surface of the fixed block 4.

[0021] In this embodiment, the commutator 3 and the armature 2 have an inner diameter larger than that of the transmission shaft 1, and the height of the armature 2 is smaller than that of the transmission shaft 1, which facilitates the fixed connection of the armature 2, the commutator 3 and the transmission shaft 1, and improves the use efficiency of the overall device, ensures the balance of the overall device, and enhances the practicability of the overall device; the notch at the bottom of the commutator 3 and the notch on the surface of the armature 2 have the same size and corresponding positions, which facilitates the linkage of the commutator 3 and the armature 2 through copper wires, and the matching of the components of the overall device during use, thereby enhancing the coordination of the overall device; the depth of the circular groove 5 is smaller than the inner diameter of the commutator 3, and the inner diameter of the fixed shaft 6 is smaller than that of the circular groove 5, which facilitates the opening of the circular groove 5 in the commutator 3, and the rotation of the fixed shaft 6 in the circular groove 5 without affecting the use of other components, thereby enhancing the stability of the device and the matching strength of the overall device during use, and avoiding the asymmetric matching of the components of the overall device during use; the inner diameter of the circular plate 9 is larger than that of the fixed shaft 6, and the inner diameter of the circular plate 9 is smaller than that of the notch at the bottom of the commutator 3, and the inner diameter of the runner 7 is larger than that of the circular plate 9, which facilitates the efficient operation of the circular plate 9 in the notch at the bottom of the commutator 3, and ensures the practicability and efficiency of the overall device; the four connecting rods 8 are evenly distributed on the front surface of the runner 7, the height of the connecting rod 8 is smaller than that of the push rod 11 to the connecting rod 8, and the length of the push rod 11 is greater than the distance from the bottom of the push rod 11 to the upper surface of the linkage rod 15, which facilitates the effective collision of the push rod 11 and the linkage rod 15, and ensures the operability and normal use of the device, and reduces the probability of failure of the overall device during use; the length of the L-shaped plate 16 is smaller than that of the notch at the bottom of the commutator 3, and the length of the brake rod 17 is greater than the length from the inner side of the fixed block 4 to the outer side of the L-shaped plate 16, which facilitates the limitation of the movement range of the L-shaped plate 16, ensures the stability of the overall device working in the notch at the bottom of the commutator 3, does not affect the use of other components, enhances the stability of the device, and strengthens the support of the overall device.

[0022] Working principle: in use, please refer to Figures 1-4, first through the motor drive fixed shaft 6 in the circular groove 5 rotation, round plate 9 drive push rod 11 for circular rotation, then to a certain position when the push rod 11 bottom end hit to linkage rod 15, through the torsion spring 13 force, L type plate 16 under the restriction of brake lever 17 up and down swing, finally connecting rod 8 can be separated from the L type plate 16 or block, when the connecting rod 8 and L type plate 16 separate, even the whole device power on also can drive commutator 3 work, otherwise, connecting rod 8 is blocked by L type plate 16, the device after power on, armature 2 through the copper wire can drive commutator 3 start working.

[0023] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, equivalent replacement or change, should be covered within the protection scope of the present application.

Claims

1. A wet rotor assembly of Nd-Fe-B magnetic ring suitable for direct current machine pump, comprising a drive shaft (1), characterized in that: The surface of the transmission shaft (1) is fixedly connected with an armature (2), the surface of the transmission shaft (1) is fixedly connected with a commutator (3), the surface of the commutator (3) is provided with a circular groove (5), the inside of the circular groove (5) is fixedly connected with a fixed shaft (6), the front end surface of the fixed shaft (6) is fixedly connected with a circular plate (9), the upper surface of the circular plate (9) is fixedly connected with a fixed rod (10), the top end of the fixed rod (10) is fixedly connected with a push rod (11), the rear surface of the circular plate (9) is fixedly connected with a rotating wheel (7), the upper surface of the rotating wheel (7) is fixedly connected with a connecting rod (8), the surface of the commutator (3) is fixedly connected with a fixed block (4), the left side surface of the fixed block (4) is fixedly connected with a plug rod (12), the surface of the plug rod (12) is fixedly connected with an L-shaped plate (16), the left side surface of the L-shaped plate (16) is fixedly connected with a torsion spring (13), the top end of the plug rod (12) is fixedly connected with a baffle (14), the left side surface of the L-shaped plate (16) is fixedly connected with a linkage rod (15), and the left side surface of the fixed block (4) is fixedly connected with a brake rod (17).

2. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump according to claim 1, characterized in that: The inside diameters of the commutator (3) and the armature (2) are larger than the inside diameter of the transmission shaft (1), and the height of the armature (2) is smaller than the height of the transmission shaft (1).

3. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump as claimed in claim 1, wherein: The size of the notch at the bottom end of the commutator (3) is equal to the size of the notch on the surface of the armature (2), and the positions are corresponding to each other.

4. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump according to claim 1, characterized in that: The depth of the circular groove (5) is smaller than the inside diameter of the commutator (3), and the inside diameter of the fixed shaft (6) is smaller than the inside diameter of the circular groove (5).

5. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump according to claim 1, characterized in that: The inside diameter of the circular plate (9) is larger than the inside diameter of the fixed shaft (6), the inside diameter of the circular plate (9) is smaller than the size of the notch at the bottom surface of the commutator (3), and the inside diameter of the rotating wheel (7) is larger than the inside diameter of the circular plate (9).

6. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump according to claim 1, characterized in that: The four connecting rods (8) are evenly distributed on the front side surface of the rotating wheel (7), the height of the connecting rod (8) is smaller than the height from the push rod (11) to the connecting rod (8), and the length of the push rod (11) is greater than the distance from the bottom end of the push rod (11) to the upper surface of the linkage rod (15).

7. A Nd-Fe-B magnetic ring wet rotor assembly suitable for use in a DC motor pump according to claim 1, characterized in that: The length of the L-shaped plate (16) is smaller than the length of the notch at the bottom surface of the commutator (3), and the length of the brake rod (17) is greater than the length from the inside of the fixed block (4) to the outside of the L-shaped plate (16).

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