Magnetic steel fixing frame for magnetor rotor

Abstract

The utility model relates to the technical field of motors, in particular to a magnetic steel fixing frame for a magnetor rotor, which comprises a chassis and a fixing mechanism, the fixing mechanism comprises a plurality of groups of clamping assemblies and a mounting assembly, and each group of clamping assembly comprises a clamping plate, an inner hexagonal screw, a plurality of rubber strips, two elastic pads and a fastener. The multiple clamping assemblies are arranged on the upper surface of the base plate, the bottom of the clamping plate is attached to the upper surface of the base plate, the inner hexagonal screw is arranged on the lower surface of the base plate, penetrates through the base plate and is in threaded connection with the clamping plate, the clamping plate is symmetrically provided with two clamping grooves, and the two elastic pads are arranged in the corresponding clamping grooves respectively. The plurality of rubber strips are all fixedly connected with the clamping plate and located on the outer side of the clamping plate, the fastener is arranged at the upper end of the clamping plate, the mounting assembly is arranged at the top of the clamping plate, and through the arrangement, the magnetic steel can be fixed without using an adhesive, so that the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a magnetic steel fixing frame for a magnetic motor rotor. Background Art

[0002] Permanent magnet synchronous motors are mainly divided into inner rotor structure and outer rotor structure. The outer rotor structure has the advantages of high magnetic field utilization, small axial size, and wide application range. When manufacturing the outer rotor motor, a fixing frame is required to fix the magnetic steel. However, the existing magnetic steel fixing frame and the magnetic steel need to be fixed with fixing plates and screws after being installed on the rotor body. There are many small parts, which makes the installation and fixing process complicated and the installation efficiency low.

[0003] In order to solve the above technical problems, the prior art patent (CN211790997U) discloses a magnetic steel retainer for a motor rotor, including a rotor body, multiple pieces of magnetic steel, a magnetic steel retainer and multiple locking parts and other components. The magnetic steel retainer is provided with multiple magnetic steel positioning cavities for embedding magnetic steels. The magnetic steel retainer adopts a split structure, and the whole circular ring retainer is installed on the inner cavity of the rotor body. The magnets are respectively embedded in the magnetic steel positioning cavities of the magnetic steel retainer, and then the magnets are bonded and fixed to the inner cavity of the rotor body with an adhesive, so that the magnets are evenly distributed in the inner cavity of the rotor, thereby improving the installation efficiency of the magnets and the magnetic steel retainer.

[0004] However, in the above-mentioned prior art, an adhesive is needed to bond and fix the magnetic steel to the inner cavity of the rotor body, which increases the production cost. Utility Model Content

[0005] The utility model aims to provide a magnetic steel fixing frame for a magnetic motor rotor, aiming to solve the technical problem in the prior art that an adhesive is needed to bond and fix the magnetic steel to the inner cavity of a rotor body, resulting in increased production costs.

[0006] To achieve the above-mentioned purpose, the utility model adopts a magnetic steel fixing frame for a magnetic motor rotor, including a chassis and a fixing mechanism, the fixing mechanism including multiple groups of clamping components and installation components, each group of the clamping components including a card plate, a hexagon socket screw, multiple rubber strips, two elastic pads and a fastener, multiple groups of the clamping components are arranged on the upper surface of the chassis, the bottom of the card plate is in contact with the upper surface of the chassis, the hexagon socket screw is arranged on the lower surface of the chassis, the hexagon socket screw passes through the chassis and is threadedly connected to the card plate, the card plate is symmetrically provided with two card slots, the two elastic pads are respectively arranged in the corresponding card slots, the multiple rubber strips are fixedly connected to the card plate and are located on the outside of the card plate, the fastener is arranged at the upper end of the card plate, and the installation component is arranged at the top of the card plate.

[0007] Among them, the installation component includes a fixed plate and multiple groups of connecting parts. The fixed plate is arranged above the card plate and fits with the upper end of the card plate. The multiple groups of connecting parts are fixedly connected to the fixed plate and are located on the outside of the fixed plate.

[0008] Wherein, each group of the connecting parts includes a triangular plate and a mounting ring, wherein the triangular plate is fixedly connected to the fixing plate and is located outside the fixing plate, and the mounting ring is fixedly connected to the triangular plate and is located at one end of the triangular plate.

[0009] Wherein, the fastener comprises an external hexagon screw and a gasket, the gasket is fitted with the upper surface of the fixing plate, the external hexagon screw passes through the gasket and the fixing plate respectively, and is threadedly connected with the clamping plate.

[0010] Wherein, the bottom of the chassis is provided with an annular groove, and the mounting ring has a circular hole.

[0011] Among them, the magnetic steel fixing frame for the magnetic motor rotor also includes multiple groups of positioning components, each group of positioning components includes an upper positioning block and a lower positioning block, one end of the upper positioning block is fixedly connected to the fixing plate, and the other end of the upper positioning block passes through the corresponding clamping plate, one end of the lower positioning block is fixedly connected to the chassis, and the other end of the lower positioning block passes through the corresponding clamping plate.

[0012] The utility model discloses a magnetic steel fixing frame for a magnetic motor rotor, the inner hexagon screw penetrates the chassis and is threadedly connected to the clamping plate, the clamping plate is symmetrically provided with two clamping grooves, the two elastic pads are respectively arranged in the corresponding clamping grooves, and a plurality of rubber strips are fixedly connected to the clamping plate. When it is used specifically, the clamping plate is first placed on the upper surface of the chassis, and then the clamping plate is fixed to the chassis by the inner hexagon screw, and then the magnetic steel is inserted between the two clamping plates in sequence, and the magnetic steel is fixed to the clamping plate by the elastic pad, and then the mounting assembly is fixed to the clamping plate by the fastener, and then the fixing frame is placed in the rotor and fixed to the rotor, the rubber strip can make the clamping plate and the rotor closer to avoid shaking of the fixing frame, and this method can effectively solve the problem in the prior art that the magnetic steel needs to be bonded and fixed to the inner cavity of the rotor body by adhesive, which leads to increased production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a bottom view of the first embodiment of the utility model.

[0016] Figure 3 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-chassis, 102-annular groove, 103-clip plate, 104-clip slot, 105-inner hexagon screw, 106-rubber strip, 107-elastic pad, 108-fixed plate, 109-triangular plate, 110-mounting ring, 111-round hole, 112-outer hexagon screw, 113-gasket, 114-magnet, 201-upper positioning block, 202-lower positioning block. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 This is a bottom view of the first embodiment of the utility model. Figure 3 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0022] The utility model provides a magnetic steel fixing frame for a magnetic motor rotor, comprising a chassis 101 and a fixing mechanism, wherein the fixing mechanism comprises a plurality of groups of clamping components and mounting components, each group of the clamping components comprises a clamping plate 103, a hexagon socket screw 105, a plurality of rubber strips 106, two elastic pads 107 and a fastener, the mounting component comprises a fixing plate 108 and a plurality of groups of connecting parts, each group of the connecting parts comprises a triangular plate 109 and a mounting ring 110, and the fastener comprises an external hexagon socket screw 112 and a gasket 113. The above-mentioned scheme solves the problem in the prior art that an adhesive is needed to be used to bond and fix the magnetic steel to the inner cavity of the rotor body, resulting in an increase in production costs.

[0023] According to this specific embodiment, multiple groups of the clamping components are all arranged on the upper surface of the chassis 101, the bottom of the card plate 103 is in contact with the upper surface of the chassis 101, the hexagon socket screw 105 is arranged on the lower surface of the chassis 101, the hexagon socket screw 105 passes through the chassis 101, and is threadedly connected to the card plate 103, the card plate 103 is symmetrically provided with two card slots 104, the two elastic pads 107 are respectively arranged in the corresponding card slots 104, the multiple rubber strips 106 are fixedly connected to the card plate 103 and are located on the outside of the card plate 103, the fastener is arranged at the upper end of the card plate 103, and the installation The mounting assembly is arranged on the top of the card plate 103. When it is used, the card plate 103 is first placed on the upper surface of the chassis 101, and then the card plate 103 is fixed to the chassis 101 by the hexagon socket screw 105. Then, the magnet 114 is inserted between the two card plates 103 in turn, and the magnet 114 is fixed to the card plate 103 by the elastic pad 107. Then, the mounting assembly is fixed to the card plate 103 by the fastener, and then the fixing frame is placed in the rotor and fixed to the rotor. The rubber strip 106 can make the card plate 103 and the rotor closer to prevent the fixing frame from shaking.

[0024] Among them, the fixed disk 108 is arranged above the card plate 103 and fits with the upper end of the card plate 103. The multiple groups of connecting parts are fixedly connected to the fixed disk 108 and are located on the outside of the fixed disk 108. When it is used specifically, the fixed disk 108 is fixed to the card plate 103, and then the fixed disk 108 is fixed to the rotor through the connecting parts.

[0025] Secondly, the triangular plate 109 is fixedly connected to the fixed plate 108 and is located on the outside of the fixed plate 108. The mounting ring 110 is fixedly connected to the triangular plate 109 and is located at one end of the triangular plate 109. When in use, the mounting ring 110 is connected to the fixed plate 108 through the triangular plate 109, and the mounting ring 110 is fixed to the rotor by using bolts.

[0026] At the same time, the gasket 113 is fitted with the upper surface of the fixed plate 108, and the hexagonal screw 112 passes through the gasket 113 and the fixed plate 108 respectively, and is threadedly connected to the clamping plate 103. When in use, the fixed plate 108 and the clamping plate 103 are fixed by the hexagonal screw 112, and the gasket 113 can prevent the hexagonal screw 112 from loosening.

[0027] In addition, an annular groove 102 is provided at the bottom of the chassis 101, and the mounting ring 110 has a circular hole 111. When in use, the space occupied by the fixing frame can be saved by setting the hexagon socket screw 105 in the annular groove 102, and the bolt is passed through the circular hole 111 and threadedly connected to the rotor, thereby fixing the fixing plate 108 to the rotor.

[0028] When using a magnetic steel fixing frame for a magnetic motor rotor according to the present embodiment, the clamping plate 103 is first placed on the upper surface of the chassis 101, and then the clamping plate 103 is fixed to the chassis 101 by the hexagon socket screw 105. Then, the magnetic steel 114 is inserted between the two clamping plates 103 in sequence, and the magnetic steel 114 is fixed to the clamping plate 103 by the elastic pad 107. Then, the fixing plate 108 is fixed to the clamping plate 103 by the hexagon socket screw 112. Then, the fixing frame is placed in the rotor, and bolts are passed through the circular holes 111 and are threadedly connected to the rotor, so as to fix the fixing plate 108 to the rotor. The rubber strip 106 can make the clamping plate 103 and the rotor closer to avoid shaking of the fixing frame. This method can effectively solve the problem in the prior art that an adhesive is needed to be used to bond and fix the magnetic steel to the inner cavity of the rotor body, resulting in increased production costs.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0031] The utility model provides a magnetic steel fixing frame for a magnetic motor rotor, which also includes a plurality of positioning components, each positioning component includes an upper positioning block 201 and a lower positioning block 202 .

[0032] For this specific embodiment, one end of the upper positioning block 201 is fixedly connected to the fixed plate 108, and the other end of the upper positioning block 201 passes through the corresponding card plate 103. One end of the lower positioning block 202 is fixedly connected to the chassis 101, and the other end of the lower positioning block 202 passes through the corresponding card plate 103. When in specific use, the upper positioning block 201 is used to facilitate positioning of the fixed plate 108 and the card plate 103, and the lower positioning block 202 is used to facilitate positioning of the chassis 101 and the card plate 103.

[0033] When using the magnetic steel fixing frame for a magnetic motor rotor according to this embodiment, the upper positioning block 201 is used to facilitate positioning of the fixing plate 108 and the clamping plate 103, and the lower positioning block 202 is used to facilitate positioning of the chassis 101 and the clamping plate 103, thereby facilitating the installation of the fixing frame.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A magnetic steel fixing frame for a magnetic motor rotor, comprising a chassis, characterized in that: The fixing mechanism also includes a fixing mechanism, which includes a plurality of clamping components and an installation component. The plurality of clamping components are all arranged on the upper surface of the chassis. Each group of the clamping components includes a card plate, a hexagon socket screw, a plurality of rubber strips, two elastic pads and a fastener. The bottom of the card plate is in contact with the upper surface of the chassis. The hexagon socket screw is arranged on the lower surface of the chassis. The hexagon socket screw passes through the chassis and is threadedly connected to the card plate. The card plate is symmetrically provided with two card slots. The two elastic pads are respectively arranged in the corresponding card slots. The plurality of rubber strips are fixedly connected to the card plate and are located on the outside of the card plate. The fastener is arranged at the upper end of the card plate, and the installation component is arranged at the top of the card plate.

2. The magnetic steel fixing frame for a magnetic motor rotor as claimed in claim 1, characterized in that: The installation assembly includes a fixed disk and multiple groups of connecting parts. The fixed disk is arranged above the card plate and fits with the upper end of the card plate. The multiple groups of connecting parts are fixedly connected to the fixed disk and are located outside the fixed disk.

3. The magnetic steel fixing frame for a magnetic motor rotor as claimed in claim 2, characterized in that: Each group of the connecting parts includes a triangular plate and a mounting ring. The triangular plate is fixedly connected to the fixed plate and is located outside the fixed plate. The mounting ring is fixedly connected to the triangular plate and is located at one end of the triangular plate.

4. The magnetic steel fixing frame for a magnetic motor rotor as claimed in claim 3, characterized in that: The fastener comprises an external hexagon screw and a gasket, wherein the gasket is fitted with the upper surface of the fixing plate, and the external hexagon screw passes through the gasket and the fixing plate respectively and is threadedly connected with the clamping plate.

5. The magnetic steel fixing frame for a magnetic motor rotor as claimed in claim 4, characterized in that: The bottom of the chassis is provided with an annular groove, and the mounting ring has a circular hole.

6. The magnetic steel fixing frame for a magnetic motor rotor as claimed in claim 5, characterized in that: The magnetic steel fixing frame for the magnetic motor rotor also includes multiple groups of positioning components, each group of positioning components includes an upper positioning block and a lower positioning block, one end of the upper positioning block is fixedly connected to the fixing plate, and the other end of the upper positioning block passes through the corresponding clamping plate, one end of the lower positioning block is fixedly connected to the chassis, and the other end of the lower positioning block passes through the corresponding clamping plate.

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