Stator punching sheet of household air conditioner compressor motor

Abstract

The invention provides a stator punching sheet of a household air conditioner compressor motor, and relates to the technical field of motor stators, and the stator punching sheet comprises a stator punching sheet main body, an anti-damage stress part and a connection detection part. Four mounting round holes are formed in the stator punching sheet body, and chamfers are arranged on the upper sides and the lower sides of the four mounting round holes; arc-shaped clamping grooves are formed in the two mounting round holes in the front side and the rear side correspondingly. The number of the damage-prevention stress parts is two, and the two damage-prevention stress parts are installed in the two installation round holes in the front side and the rear side and used for protecting the stator punching sheet body. The number of the connection detection parts is two, and the two connection detection parts are installed in the two installation round holes in the left side and the right side. The stress points are concentrated on the loss prevention stress block a and the loss prevention stress block b, so that the stator punching sheet main body is prevented from generating burrs or deforming after being stressed; the motor stator punching sheet solves the problem that subsequent assembly is affected due to the fact that the motor stator punching sheet is prone to burrs or deformation after being stressed.

Description

Technical Field

[0001] The present invention belongs to the technical field of motor stators, and more specifically, relates to a stator punching sheet for a household air-conditioner compressor motor. Background Art

[0002] The stator laminations of household air-conditioning compressor motors are one of the core components of the motor. They are usually made by stamping and stacking high-permeability silicon steel sheets. Their function is to form the stator core and provide a low-loss path for the magnetic field. The laminations are punched using high-precision molds and are mostly ring-shaped. The inner ring of the laminations has evenly distributed slots for embedding the stator windings.

[0003] The motor stator punching sheets currently in use still have the following problems: 1. The motor stator punching sheets are prone to burrs or deformation after being subjected to force, which affects subsequent assembly; 2. It is impossible to automatically detect whether the motor stator punching sheets are deformed when assembling the motor stator punching sheets. Summary of the Invention

[0004] The disclosed embodiment relates to a stator punching sheet of a household air-conditioning compressor motor, which has an anti-damage force-bearing portion and a connection detection portion; the force points are concentrated on the anti-damage force-bearing block a and the anti-damage force-bearing block b, so as to avoid burrs or deformation of the stator punching sheet body after being subjected to force; when two adjacent stator punching sheet bodies are deformed, the two adjacent stator punching sheet bodies cannot be assembled in place, so that the deformed stator punching sheet body can be easily removed; the problem that the motor stator punching sheet is prone to burrs or deformation after being subjected to force and the problem of being unable to automatically detect whether the motor stator punching sheet is deformed are solved.

[0005] The present invention provides a stator punching of a household air-conditioning compressor motor, comprising: a stator punching body, an anti-damage force-bearing portion, and a connection detection portion; four mounting circular holes are provided on the stator punching body, and chamfers are provided on the upper and lower sides of the four mounting circular holes; arc-shaped slots are respectively provided in the two mounting circular holes on the front and rear sides; two groups of the anti-damage force-bearing portions are provided, and the two groups of the anti-damage force-bearing portions are installed in the two mounting circular holes on the front and rear sides, and the two groups of the anti-damage force-bearing portions are used to protect the stator punching body; two groups of the connection detection portions are provided, and the two groups of the connection detection portions are installed in the two mounting circular holes on the left and right sides, and the two groups of the connection detection portions are used to connect adjacent stator punching bodies, and the two groups of the connection detection portions are also used to detect whether the stator punching bodies are deformed.

[0006] In at least some embodiments, the anti-damage force-bearing part includes: an anti-damage force-bearing block a and an anti-damage force-bearing block b; the anti-damage force-bearing block a is slidably installed in the mounting circular hole; the anti-damage force-bearing block b is slidably installed in the mounting circular hole, and the anti-damage force-bearing block b is located above the anti-damage force-bearing block a.

[0007] In at least some embodiments, the bottom of the damage-resistant stress block a is flush with the bottom of the stator punching body, and the top of the damage-resistant stress block b is flush with the top of the stator punching body, and the outer ends of the damage-resistant stress block a and the damage-resistant stress block b are respectively provided with chamfers.

[0008] In at least some embodiments, the anti-damage force-bearing part also includes: connecting screws and movable clamping blocks; there are two connecting screws in total, and the two connecting screws are inserted into the anti-damage force block b, and the two connecting screws are also threadedly connected to the anti-damage force block a; there are two movable clamping blocks in total, and the two movable clamping blocks are slidably installed in the anti-damage force block a and the anti-damage force block b.

[0009] In at least some embodiments, the outer ends of the two movable clamping blocks are hemispherical structures, and the outer ends of the two movable clamping blocks are inserted into the arc-shaped clamping grooves.

[0010] In at least some embodiments, the anti-damage force-bearing part further includes: a support spring; there are two support springs in total, and the two support springs are installed inside the anti-damage force block a and the anti-damage force block b, and the two support springs are also connected to the inner ends of the two movable blocks.

[0011] In at least some embodiments, the connection detection portion includes: a connecting ring a and a connecting ring b; the connecting ring a is fixedly installed in the mounting hole; and the connecting ring b is threadedly connected to the connecting ring a.

[0012] In at least some embodiments, the bottom of the connecting ring a is flush with the bottom of the stator punching body, and the distance from the bottom of the connecting ring a to the top of the connecting ring b is twice the thickness of the stator punching body, and the outer ends of the connecting ring a and the connecting ring b are respectively provided with chamfers.

[0013] In at least some embodiments, the outer wall of the connecting ring b is provided with a circle of rectangular rotation grooves, and the inner wall of the connecting ring b is further provided with two installation grooves.

[0014] In at least some embodiments, the connection detection portion further includes: a detection wire; the detection wire is slidably installed in the two installation grooves, and the bending resistance of the detection wire is greater than the resistance between the two movable blocks and the arc-shaped grooves.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The arrangement of the anti-damage stress-bearing block a and the anti-damage stress-bearing block b of the present invention concentrates the stress points on the anti-damage stress-bearing block a and the anti-damage stress-bearing block b, thereby avoiding burrs or deformation of the stator punching body after being subjected to stress; the arrangement of the two movable clamping blocks plays a positioning role for the anti-damage stress-bearing block a and the anti-damage stress-bearing block b, so that the anti-damage stress-bearing block a and the anti-damage stress-bearing block b are in a stable state after being connected to the mounting circular hole.

[0017] 2. When the two connecting rings b are connected to another stator punching body, the two connecting rings b can be inserted into the two groups of anti-damage force-bearing parts on the other stator punching body, realizing the automatic separation of the two groups of anti-damage force-bearing parts from the stator punching body and the recycling of the anti-damage force-bearing parts; when the punching body is assembled, the staff can unscrew the two outermost connecting rings b;

[0018] In addition, when the two connecting rings b are connected to another stator punching body, the four movable blocks can automatically slide inward, so that the four movable blocks are automatically separated from the two arc-shaped slots; when the two adjacent stator punching bodies are not deformed, when the two detection wires are pressed by a tool, the two connecting rings b can smoothly push out the two sets of anti-damage force-bearing parts; when the two adjacent stator punching bodies are deformed, when the two detection wires are pressed by a tool, the two detection wires will be deformed, so that the two detection wires are separated from the two installation grooves; at this time, the two adjacent stator punching bodies cannot be assembled into place, which facilitates the removal of the deformed stator punching bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0020] The drawings described below only relate to some embodiments of the present invention, rather than limiting the present invention.

[0021] In the attached figure:

[0022] Figure 1 Shows a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It shows a schematic structural diagram of the anti-damage force-bearing portion of the present invention;

[0024] Figure 3 The present invention is shown Figure 1 Schematic diagram of the longitudinal center section structure;

[0025] Figure 4 The present invention is shown Figure 3 Schematic diagram of the local enlarged structure of area A in the middle;

[0026] Figure 5 The present invention is shown Figure 1 Schematic diagram of the bottom perspective structure;

[0027] Figure 6 shows a schematic structural diagram of a connection detection unit of the present invention;

[0028] Figure 7 The present invention is shown Figure 1Schematic diagram of the transverse central section structure;

[0029] Figure 8 The present invention is shown Figure 7 Schematic diagram of the locally enlarged structure of area B in the middle.

[0030] List of reference numerals:

[0031] 100, stator punching body; 101, mounting circular hole; 102, arc-shaped slot;

[0032] 200, anti-damage force-bearing part; 201, anti-damage force-bearing block a; 202, anti-damage force-bearing block b; 203, connecting screw; 204, movable clamping block; 205, supporting spring;

[0033] 300, connection detection part; 301, connection ring a; 302, connection ring b; 3021, rectangular rotation pattern; 3022, installation groove; 303, detection wire. DETAILED DESCRIPTION

[0034] In order to make the purpose, scheme and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the common meanings in the art. The same reference numerals in the drawings represent the same components.

[0035] Example: Please refer to Figures 1 to 8 As shown: The present invention provides a stator punching sheet for a household air-conditioning compressor motor, comprising: a stator punching sheet main body 100, an anti-damage force-bearing part 200 and a connection detection part 300; four mounting circular holes 101 are provided on the stator punching sheet main body 100, and chamfers are provided on the upper and lower sides of the four mounting circular holes 101; arc-shaped slots 102 are respectively provided in the two mounting circular holes 101 on the front and rear sides; there are two groups of anti-damage force-bearing parts 200, and the two groups of anti-damage force-bearing parts 200 are installed in the two mounting circular holes 101 on the front and rear sides, and the two groups of anti-damage force-bearing parts 200 are used to protect the stator punching sheet main body 100; there are two groups of connection detection parts 300, and the two groups of connection detection parts 300 are installed in the two mounting circular holes 101 on the left and right sides, and the two groups of connection detection parts 300 are used to connect adjacent stator punching sheet main bodies 100, and the two groups of connection detection parts 300 are also used to detect whether the stator punching sheet main body 100 is deformed.

[0036] In the embodiment of the present disclosure, Figure 2 and Figure 4As shown, the damage-proof force-bearing part 200 includes: a damage-proof force-bearing block a201 and a damage-proof force-bearing block b202; the damage-proof force-bearing block a201 is slidably installed in the installation circular hole 101; the damage-proof force-bearing block b202 is slidably installed in the installation circular hole 101, and the damage-proof force-bearing block b202 is located above the damage-proof force-bearing block a201; the bottom of the damage-proof force-bearing block a201 is flush with the bottom of the stator punching body 100, and the top of the damage-proof force-bearing block b202 is flush with the top of the stator punching body 100, and the outer ends of the damage-proof force-bearing block a201 and the damage-proof force-bearing block b202 are respectively provided with chamfers; the damage-proof force-bearing part 200 also includes: a connecting screw 203 and a movable block 204; there are two connecting screws 203, and the two The connecting screw 203 is inserted into the anti-damage force block b202, and the two connecting screws 203 are also threadedly connected to the anti-damage force block a201; there are two movable clamping blocks 204, and the two movable clamping blocks 204 are slidably installed in the anti-damage force block a201 and the anti-damage force block b202; the outer ends of the two movable clamping blocks 204 are hemispherical structures, and the outer ends of the two movable clamping blocks 204 are inserted into the arc-shaped clamping groove 102; the anti-damage force part 200 also includes: a support spring 205; there are two support springs 205, and the two support springs 205 are installed inside the anti-damage force block a201 and the anti-damage force block b202, and the two support springs 205 are also connected to the inner ends of the two movable clamping blocks 204;

[0037] Its specific function is: because the damage-proof force block a201 is slidably installed in the mounting circular hole 101, and the damage-proof force block b202 is slidably installed in the mounting circular hole 101, and the damage-proof force block b202 is located above the damage-proof force block a201, the force points are concentrated on the damage-proof force blocks a201 and the damage-proof force blocks b202, avoiding burrs or deformation of the stator punching body 100 after being subjected to force; and because the two movable clamping blocks 204 are slidably installed in the damage-proof force blocks a201 and the damage-proof force blocks b202, and the outer ends of the two movable clamping blocks 204 are hemispherical structures, and the outer ends of the two movable clamping blocks 204 are inserted into the arc-shaped clamping groove 102, the damage-proof force blocks a201 and the damage-proof force blocks b202 are positioned, so that the damage-proof force blocks a201 and the damage-proof force blocks b202 are in a stable state after being connected to the mounting circular hole 101.

[0038] In the embodiment of the present disclosure, Figure 6 and Figure 8As shown, the connection detection part 300 includes: a connecting ring a301 and a connecting ring b302; the connecting ring a301 is fixedly installed in the mounting hole 101; the connecting ring b302 is threadedly connected to the connecting ring a301; the bottom of the connecting ring a301 is flush with the bottom of the stator punching body 100, and the distance from the bottom of the connecting ring a301 to the top of the connecting ring b302 is twice the thickness of the stator punching body 100, and the connecting ring a301 The outer ends of the connecting ring b302 are respectively provided with chamfers; the outer wall of the connecting ring b302 is provided with a circle of rectangular rotating grooves 3021, and the inner wall of the connecting ring b302 is further provided with two mounting grooves 3022; the connection detection unit 300 also includes: a detection wire 303; the detection wire 303 is slidably mounted in the two mounting grooves 3022, and the bending resistance of the detection wire 303 is greater than the resistance between the two movable clamping blocks 204 and the arc-shaped clamping groove 102;

[0039] Its specific function is as follows: because the connecting ring a301 is fixedly installed in the mounting circular hole 101, and the bottom of the connecting ring a301 is flush with the bottom of the stator punching body 100, and the distance from the bottom of the connecting ring a301 to the top of the connecting ring b302 is twice the thickness of the stator punching body 100, when the two connecting rings b302 are connected to another stator punching body 100, the two connecting rings b302 can be inserted into the two groups of anti-damage force-bearing parts 200 on the other stator punching body 100, thereby realizing the automatic separation of the two groups of anti-damage force-bearing parts 200 from the stator punching body 100 and the recycling of the anti-damage force-bearing parts 200; and because the connecting ring b302 is threadedly connected to the connecting ring a301, and the outer wall of the connecting ring b302 is provided with a circle of rectangular rotating grooves 3021, when the punching body 100 is assembled, the staff can unscrew the two outermost connecting rings b302;

[0040] In addition, because the two supporting springs 205 are installed inside the anti-damage force block a201 and the anti-damage force block b202, and the two supporting springs 205 are also connected to the inner ends of the two movable clamping blocks 204, when the two connecting rings b302 are connected to another stator punching body 100, the four movable clamping blocks 204 can automatically slide inward, so that the four movable clamping blocks 204 are automatically separated from the two arc-shaped clamping grooves 102; and because the inner wall of the connecting ring b302 is also provided with two mounting grooves 3022, and the detection wire 303 is slidably installed in the two mounting grooves 3022, and the bending resistance of the detection wire 303 is greater than the two The resistance between the movable blocking block 204 and the arc-shaped slot 102, when the two adjacent stator sheet bodies 100 are not deformed, when the two detection wires 303 are pressed by a tool, the two connecting rings b302 can smoothly push out the two sets of anti-damage force-bearing parts 200; when the two adjacent stator sheet bodies 100 are deformed, when the two detection wires 303 are pressed by a tool, the two detection wires 303 will be deformed, so that the two detection wires 303 are separated from the two mounting grooves 3022; at this time, the two adjacent stator sheet bodies 100 cannot be assembled in place, which facilitates the removal of the deformed stator sheet bodies 100.

[0041] The specific usage and function of this embodiment are as follows:

[0042] When the present invention is used, the staff first installs the two groups of anti-damage force-bearing parts 200 and the two groups of connection detection parts 300 in the four installation circular holes 101, and then inserts the two positioning rods on which the stator punching body 100 is placed into the two groups of anti-damage force-bearing parts 200, so that the force points are concentrated on the anti-damage force-bearing blocks a201 and the anti-damage force-bearing blocks b202, thereby avoiding burrs or deformation of the stator punching body 100 after being stressed; the provision of the two movable clamping blocks 204 plays a positioning role for the anti-damage force-bearing blocks a201 and the anti-damage force-bearing blocks b202, so that the anti-damage force-bearing blocks a201 and the anti-damage force-bearing blocks b202 are in a stable state after being connected to the installation circular holes 101;

[0043] Then, another stator sheet body 100 is moved by using tools and two detection wires 303. When the two connecting rings b302 are connected to the other stator sheet body 100, the two connecting rings b302 can be inserted into the two groups of anti-damage force-bearing parts 200 on the other stator sheet body 100, thereby realizing the automatic separation of the two groups of anti-damage force-bearing parts 200 from the stator sheet body 100 and the recycling of the anti-damage force-bearing parts 200; when the two connecting rings b302 are connected to the other stator sheet body 100, the four movable blocks 204 can automatically slide inward, so that the four movable blocks 204 are automatically separated from the two arc-shaped slots 102; when the adjacent When the two stator sheet main bodies 100 are not deformed, when the two detection wires 303 are pressed by a tool, the two connecting rings b302 can smoothly push out the two sets of anti-damage force-bearing parts 200; when the two adjacent stator sheet main bodies 100 are deformed, when the two detection wires 303 are pressed by a tool, the two detection wires 303 will be deformed, so that the two detection wires 303 are separated from the two mounting grooves 3022; at this time, the two adjacent stator sheet main bodies 100 cannot be assembled into place, which facilitates the removal of the deformed stator sheet main body 100; when the sheet main body 100 is assembled, the staff can unscrew the two outermost connecting rings b302.

[0044] In this article, there are several points to note:

[0045] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0046] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0047] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A stator punching sheet for a household air-conditioning compressor motor, comprising: The stator punching sheet body (100), the anti-damage force-bearing part (200) and the connection detection part (300); the stator punching sheet body (100) is provided with four mounting circular holes (101), and the upper and lower sides of the four mounting circular holes (101) are provided with chamfers; the two mounting circular holes (101) on the front and rear sides are respectively provided with arc-shaped slots (102); it is characterized in that the anti-damage force-bearing part (200) is provided with two groups, and the two groups of anti-damage force-bearing parts (200) are installed on the front and rear sides. In the two mounting circular holes (101), two groups of the anti-damage force-bearing parts (200) are used to protect the stator punching sheet body (100); two groups of the connection detection parts (300) are provided, and the two groups of connection detection parts (300) are installed in the two mounting circular holes (101) on the left and right sides. The two groups of the connection detection parts (300) are used to connect adjacent stator punching sheet bodies (100), and the two groups of connection detection parts (300) are also used to detect whether the stator punching sheet body (100) is deformed.

2. The stator punching sheet of a household air-conditioning compressor motor according to claim 1, characterized in that: The anti-damage force-bearing part (200) comprises: an anti-damage force-bearing block a (201) and an anti-damage force-bearing block b (202); the anti-damage force-bearing block a (201) is slidably installed in the mounting circular hole (101); the anti-damage force-bearing block b (202) is slidably installed in the mounting circular hole (101), and the anti-damage force-bearing block b (202) is located above the anti-damage force-bearing block a (201).

3. The stator punching sheet of a household air-conditioning compressor motor according to claim 2, characterized in that: The bottom of the damage-preventing force block a (201) is flush with the bottom of the stator punching body (100), and the top of the damage-preventing force block b (202) is flush with the top of the stator punching body (100), and the outer ends of the damage-preventing force block a (201) and the damage-preventing force block b (202) are respectively provided with chamfers.

4. The stator punching sheet of a household air-conditioning compressor motor according to claim 2, characterized in that: The anti-damage force-bearing part (200) further comprises: a connecting screw (203) and a movable clamping block (204); two connecting screws (203) are provided, and the two connecting screws (203) are inserted into the anti-damage force-bearing block b (202), and the two connecting screws (203) are also threadedly connected to the anti-damage force-bearing block a (201); two movable clamping blocks (204) are provided, and the two movable clamping blocks (204) are slidably installed in the anti-damage force-bearing block a (201) and the anti-damage force-bearing block b (202).

5. The stator punching sheet of a household air-conditioning compressor motor according to claim 4, characterized in that: The outer ends of the two movable clamping blocks (204) are hemispherical structures, and the outer ends of the two movable clamping blocks (204) are inserted into the arc-shaped clamping grooves (102).

6. The stator punching sheet of a household air-conditioner compressor motor according to claim 4, characterized in that: The anti-damage force-bearing part (200) further includes: a support spring (205); two support springs (205) are provided, and the two support springs (205) are installed inside the anti-damage force-bearing block a (201) and the anti-damage force-bearing block b (202), and the two support springs (205) are also connected to the inner ends of the two movable clamping blocks (204).

7. The stator punching sheet of a household air-conditioner compressor motor according to claim 4, characterized in that: The connection detection part (300) comprises: a connection ring a (301) and a connection ring b (302); the connection ring a (301) is fixedly installed in the installation circular hole (101); and the connection ring b (302) is threadedly connected to the connection ring a (301).

8. The stator punching sheet of a household air-conditioner compressor motor according to claim 7, characterized in that: The bottom of the connecting ring a (301) is flush with the bottom of the stator punching body (100), and the distance from the bottom of the connecting ring a (301) to the top of the connecting ring b (302) is twice the thickness of the stator punching body (100), and the outer ends of the connecting ring a (301) and the connecting ring b (302) are respectively provided with chamfers.

9. The stator punching sheet of a household air-conditioner compressor motor according to claim 7, characterized in that: The outer wall of the connecting ring b (302) is provided with a circle of rectangular rotation grooves (3021), and the inner wall of the connecting ring b (302) is further provided with two installation grooves (3022).

10. The stator punching sheet of a household air-conditioner compressor motor according to claim 9, characterized in that: The connection detection portion (300) further comprises: a detection wire (303); the detection wire (303) is slidably mounted in the two mounting grooves (3022), and the bending resistance of the detection wire (303) is greater than the resistance between the two movable clamping blocks (204) and the arc-shaped clamping groove (102).

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