Silicon steel sheet for coreless motor

Abstract

The utility model relates to the technical field of silicon steel sheets, in particular to a silicon steel sheet for a coreless motor, which comprises a plurality of silicon steel sheet bodies, the plurality of silicon steel sheet bodies are fixedly connected, a plurality of preformed grooves are arranged on the inner sides of the silicon steel sheet bodies, and a plurality of elastic sheets in pairs are fixedly connected on the side walls of the silicon steel sheet bodies. The other ends of the two elastic pieces are fixedly connected with arc-shaped strips, the cross sections of the elastic pieces are in a V shape, the elastic pieces are made of metal copper materials, second trapezoid-shaped grooves are formed in the inner sides of the arc-shaped strips, and a plurality of first trapezoid-shaped grooves are formed in the side wall of the silicon steel sheet body. By adopting the structure, the copper wire wound on the outer side of the silicon steel sheet body can be flexibly supported and tightened conveniently, and the phenomenon that the copper wire on the outer side of the silicon steel sheet body is loosened in the use process is avoided, so that the use stability of the copper wire on the outer side of the silicon steel sheet body is improved, and the use stability of a coreless motor is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silicon steel sheet technical field especially relates to a hollow cup motor silicon steel sheet. BACKGROUND

[0002] The hollow cup motor generally refers to the hollow cup rotor motor, and the rotor is the hollow cup structure, but the silicon steel sheet is often used in the stator part of the hollow cup motor, the silicon steel sheet has high permeability, can effectively guide and concentrate the magnetic field, enhances the magnetic field intensity generated by the stator, thereby improving the torque and power output of the motor.

[0003] The prior art often has the following defects: after installing a plurality of silicon steel sheets, copper wires are often wound around the silicon steel sheets, but after winding the copper wires, the copper wires are often loose during use on the surface of the silicon steel sheet, thereby reducing the use performance of the copper wires on the silicon steel sheet.

[0004] Therefore, the utility model provides a hollow cup motor silicon steel sheet. UTILITY MODEL CONTENTS

[0005] The utility model discloses a hollow cup motor silicon steel sheet to solve the copper wire in the silicon steel sheet surface use process often easy loose phenomenon's shortcoming.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a hollow cup motor silicon steel sheet, including a plurality of silicon steel sheet bodies, a plurality of silicon steel sheet bodies are fixedly connected, the inner side of the silicon steel sheet body is provided with a plurality of reserved grooves, the side wall of the silicon steel sheet body is fixedly connected with a plurality of two two one group of elastic sheets, and the other end of two elastic sheets is fixedly connected with an arc-shaped strip.

[0007] The above-mentioned components reach the effect that: through the above-mentioned structure, the copper wire wound outside the silicon steel sheet body is conveniently and tightly worked, the phenomenon of loose copper wire outside the silicon steel sheet body during use is avoided, the stability of the copper wire outside the silicon steel sheet body is improved, and the stability of the hollow cup motor is improved.

[0008] Preferably, the cross section of the elastic sheet is V-shaped, and the elastic sheet is made of metal copper.

[0009] The above-mentioned components reach the effect that: through the elastic sheet made of metal copper, not only good elastic performance is obtained, but also the heat dissipation surface during use of the silicon steel sheet body is increased, and the heat dissipation effect during use of the silicon steel sheet body is improved.

[0010] Preferably, the inner side of the arc-shaped strip is provided with a second trapezoidal groove, and the sidewall of the silicon steel sheet body is provided with a plurality of first trapezoidal grooves.

[0011] The effect achieved by the above-mentioned components is that the first trapezoidal groove and the second trapezoidal groove facilitate the subsequent tensioning of the arc-shaped strip towards the side close to the silicon steel sheet body.

[0012] Preferably, the inner side of the first trapezoidal groove and the second trapezoidal groove is slidably connected with a plug rod.

[0013] The effect achieved by the above-mentioned components is that when the plug rod in the first trapezoidal groove and the second trapezoidal groove is pulled out, the arc-shaped strip will be subjected to the elastic force of the spring and will tighten the copper wire wound outside the silicon steel sheet body, thereby improving the stability of the use of the arc-shaped strip wound outside the silicon steel sheet body.

[0014] Preferably, the first trapezoidal groove and the second trapezoidal groove are isosceles trapezoidal.

[0015] The effect achieved by the above-mentioned components is that the first trapezoidal groove and the second trapezoidal groove with two isosceles trapezoidal structures improve the stability of the tensioning of the arc-shaped strip towards the side close to the silicon steel sheet body.

[0016] Preferably, the upper end of the plug rod is fixedly connected with an auxiliary head, and the auxiliary head is a ladder-shaped structure.

[0017] The effect achieved by the above-mentioned components is that the auxiliary head with a ladder-shaped structure improves the efficiency of the insertion of the plug rod into the first trapezoidal groove and the second trapezoidal groove.

[0018] In summary:

[0019] In the utility model, the flexible tightening work of the copper wire wound outside the silicon steel sheet body is facilitated, the phenomenon of loosening of the copper wire outside the silicon steel sheet body during use is avoided, the stability of the use of the copper wire outside the silicon steel sheet body is improved, and the stability of the use of the hollow cup motor is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a schematic view of the structure of the silicon steel sheet body in the utility model;

[0022] Figure 3 It is a schematic view of the local structure of the utility model Figure 2 ;

[0023] Figure 4 It is a schematic view of the structure of the plug rod in the utility model;

[0024] Figure 5 For the utility model Figure 2 A place of the enlarged view of

[0025] Legend: 1, silicon steel sheet body; 2, plug rod; 3, reserved slot; 4, arc strip; 5, first trapezoidal groove; 6, second trapezoidal groove; 7, elastic sheet; 8, auxiliary head. Specific embodiments

[0026] Referring to Figures 1-5 As shown in the utility model provides a technical scheme: a kind of silicon steel sheet for hollow cup motor, including several silicon steel sheet bodies 1.

[0027] Now specifically say its overall specific setting and effect.

[0028] In the embodiment: several silicon steel sheet bodies 1 are fixedly connected, the inside of silicon steel sheet body 1 is provided with several reserved slots 3, the side wall of silicon steel sheet body 1 is fixedly connected with several elastic sheets 7 in pairs, and the other end of two elastic sheets 7 is fixedly connected with arc strip 4. By setting the above structure, it is convenient to flexibly tighten the copper wire wound outside the silicon steel sheet body 1, avoid the phenomenon that the copper wire outside the silicon steel sheet body 1 appears loose during use, thereby improving the stability of the copper wire outside the silicon steel sheet body 1 during use, and further improving the stability of the hollow cup motor. The cross section of elastic sheet 7 is V-shaped, and the elastic sheet 7 is made of copper. By setting the elastic sheet 7 made of copper, not only has good elastic performance, but also increases the heat dissipation surface during use of silicon steel sheet body 1, improves the heat dissipation effect during use of silicon steel sheet body 1.

[0029] Specifically, the inside of arc strip 4 is provided with second trapezoidal groove 6, and the side wall of silicon steel sheet body 1 is provided with several first trapezoidal grooves 5. By setting first trapezoidal groove 5 and second trapezoidal groove 6, it is convenient to tighten the arc strip 4 to the side close to the silicon steel sheet body 1 subsequently. The inside of first trapezoidal groove 5 and second trapezoidal groove 6 is slidably connected with plug rod 2. Draw out the plug rod 2 inside first trapezoidal groove 5 and second trapezoidal groove 6, at this time, the copper wire wound outside the silicon steel sheet body 1 will be tightened by the elastic force of arc strip 4, thereby improving the stability of the use of arc strip 4 wound outside the silicon steel sheet body 1. First trapezoidal groove 5 and second trapezoidal groove 6 are both isosceles trapezoidal. By setting two isosceles trapezoidal structures of first trapezoidal groove 5 and second trapezoidal groove 6, the stability of the arc strip 4 to the side close to the silicon steel sheet body 1 is improved. The upper end of plug rod 2 is fixedly connected with auxiliary head 8, and auxiliary head 8 is ladder-shaped structure. By setting the auxiliary head 8 of ladder structure, the efficiency of plug rod 2 inserted into the inside of first trapezoidal groove 5 and second trapezoidal groove 6 is improved.

[0030] The working principle is that before the copper wire is wound outside the silicon steel sheet body 1, the arc-shaped strip 4 is pressed towards one side close to the silicon steel sheet body 1, at this time, the elastic sheet 7 is in a compressed state, the inserting rod 2 with the auxiliary head 8 can be slid into along the inner side of the first trapezoidal groove 5 and the second trapezoidal groove 6, the auxiliary head 8 with the trapezoidal structure is arranged, the efficiency of inserting the inserting rod 2 into the inner side of the first trapezoidal groove 5 and the second trapezoidal groove 6 is improved, at this time, the arc-shaped strip 4 can be fixed and tensioned towards one side close to the silicon steel sheet body 1, the first trapezoidal groove 5 and the second trapezoidal groove 6 with the two isosceles trapezoidal structures are arranged, the stability of tensioning the arc-shaped strip 4 towards one side close to the silicon steel sheet body 1 is improved, after the copper wire is wound outside the arc-shaped strip 4 and in the inner side of the reserved groove 3, the inserting rod 2 in the inner side of the first trapezoidal groove 5 and the second trapezoidal groove 6 is pulled out, at this time, the arc-shaped strip 4 is subjected to the elastic force of the elastic sheet 7 and tightens the copper wire wound outside the silicon steel sheet body 1, thereby the stability of using the arc-shaped strip 4 wound outside the silicon steel sheet body 1 is improved, the elastic sheet 7 made of metal copper is arranged, not only has good elastic performance, but also increases the heat dissipation surface in the use process of the silicon steel sheet body 1, improves the heat dissipation effect in the use process of the silicon steel sheet body 1, through the above structure, the flexible tightening work of the copper wire wound outside the silicon steel sheet body 1 is facilitated, the phenomenon that the copper wire outside the silicon steel sheet body 1 is loose in the use process is avoided, thereby the stability of using the copper wire outside the silicon steel sheet body 1 is improved, and the stability of using the hollow cup motor is improved.

[0031] In the description of the utility model, it is to explain that, unless there is definite and limited, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

Claims

1. A silicon steel sheet for a hollow cup motor comprising a plurality of silicon steel sheet bodies (1), characterized in that: A plurality of silicon steel sheet bodies (1) are fixedly connected, a plurality of reserved grooves (3) are arranged on the inner side of the silicon steel sheet body (1), a plurality of elastic sheets (7) are fixedly connected to the side wall of the silicon steel sheet body (1) in pairs, and the other end of the two elastic sheets (7) is fixedly connected with an arc-shaped strip (4).

2. A silicon steel sheet for a hollow cup motor according to claim 1, characterized in that: The cross section of the elastic sheet (7) is V-shaped, and the elastic sheet (7) is made of copper.

3. A silicon steel sheet for a hollow cup motor according to claim 1, characterized in that: The inner side of the arc-shaped strip (4) is provided with a second trapezoidal groove (6), and the side wall of the silicon steel sheet body (1) is provided with a plurality of first trapezoidal grooves (5).

4. A silicon steel sheet for a hollow cup motor according to claim 3, characterized in that: The inner side of the first trapezoidal groove (5) and the second trapezoidal groove (6) is slidably connected with a plug rod (2).

5. A silicon steel sheet for a hollow cup motor according to claim 3, characterized in that: The first trapezoidal groove (5) and the second trapezoidal groove (6) are both isosceles trapezoidal.

6. A silicon steel sheet for a hollow cup motor according to claim 4, characterized in that: The upper end of the plug rod (2) is fixedly connected with an auxiliary head (8), and the auxiliary head (8) is a ladder-shaped structure.

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