Aluminum-nickel-cobalt magnetic steel structure for instrument

Abstract

The utility model discloses an aluminum-nickel-cobalt magnetic steel structure for an instrument, and aims to provide the aluminum-nickel-cobalt magnetic steel structure for the instrument, which is easy and quick to assemble, protects the structure and prolongs the service life. The magnetic steel comprises a magnetic steel body and a magnetic sleeve structure, the magnetic steel body is provided with a plurality of positioning grooves which are uniformly arranged on the magnetic steel body, the magnetic sleeve structure comprises a side protective sleeve and a mounting guide ring, the side protective sleeve is provided with a buffer groove, the mounting guide ring is provided with guide holes matched with the positioning grooves in position and size, and the side protective sleeve is provided with a buffer groove. The installation guide ring and the side protection sleeve are of an integrated structure. The beneficial effects of the utility model are that the magnetic steel structure is convenient for stable and rapid assembly; the protection structure prolongs the service life; components are convenient to assemble and maintain, and resources are saved; the protection effect and the convenience of assembly and disassembly of connection are improved; and the connection strength and the connection stability and compactness are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic steel, in particular to an aluminum-nickel-cobalt magnetic steel structure used for instruments. Background Art

[0002] The role of the magnet used in the instrument is to use its own stable magnetic properties to cut the magnetic lines during high-speed rotation to generate kinetic energy and drive the pointer to rotate. The magnetic field strength is generally around 1000Gs. Since the magnet is set on the main shaft, it needs to be stable and convenient in assembly.

[0003] Chinese Patent Authorization Announcement Number: CN 214226661 U, Authorization Announcement Date September 17, 2021. The utility model relates to a high remanent magnet samarium cobalt magnet for instruments and meters, including a samarium cobalt magnet main body. The samarium cobalt magnet main body is designed in a cylindrical structure. Limiting grooves are provided at both ends of the samarium cobalt magnet main body. There are eight groups of limiting grooves. Fixing holes are provided on the outside of the samarium cobalt magnet main body. A protective sleeve is sleeved on the outside of the samarium cobalt magnet main body. A limiting column is provided on the inner side of the protective sleeve and at a position corresponding to the fixing hole. The internal structure size of the fixing hole is set corresponding to the external structure size of the limiting column. The protective sleeve and the limiting column are an integrated structure design, and the protective sleeve and the limiting column are made of natural rubber. The shortcomings of this technical solution are: 1. The guiding assembly structure design is insufficient when assembling external components, and it is difficult to assemble quickly; 2. The structure of the protective sleeve is insufficient to protect the magnet, and the magnet is still easily deformed and damaged.

[0004] In summary, the structure is difficult to assemble quickly and its insufficient protection shortens its service life. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art that the structure is difficult to assemble quickly, is easily damaged and has a shortened service life, and provides an aluminum-nickel-cobalt magnetic steel structure for instruments that is easy to assemble quickly, has a protected structure and extends the service life.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An aluminum-nickel-cobalt magnetic steel structure for an instrument comprises a magnetic steel body and a magnetic sleeve structure. The magnetic steel body is provided with a positioning groove, and a plurality of positioning grooves are provided and evenly arranged on the magnetic steel body. The magnetic sleeve structure comprises a side protective sleeve and an installation guide ring. The side protective sleeve is provided with a buffer groove, and the installation guide ring is provided with a guide hole that matches the position and size of the positioning groove. The installation guide ring and the side protective sleeve are an integrated structure.

[0008] The magnetic steel body is made of aluminum-nickel-cobalt magnetic steel material and is provided with positioning grooves thereon for easy positioning and installation during assembly. Multiple positioning grooves ensure convenient and stable assembly. A magnetic sleeve structure is sleeved on the magnetic steel body. The magnetic sleeve structure is made of rubber material to protect the magnetic steel from deformation or even breakage caused by the impact force caused by collision. The magnetic sleeve structure includes a side protective sleeve and an installation guide ring. The installation guide ring is connected to the end face of the side protective sleeve and is provided with a guide hole adapted to the positioning groove to guide external components into the positioning groove during assembly, thereby improving assembly efficiency. In addition, a buffer groove is provided on the side protective sleeve to prevent the side protective sleeve from slipping during assembly and increase the effectiveness of buffering impact. The installation guide ring and the side protective sleeve are integrated into a structure that can be quickly connected to the magnetic steel body to form a completed magnetic steel structure. At the same time, the components can be disassembled for maintenance and replaced for aging to save resources, so that the magnetic steel structure has the effect of being easy to stably and quickly assemble, protecting the structure to extend the service life, and facilitating assembly and maintenance of components to save resources.

[0009] Preferably, the groove wall of the guide hole includes a guide surface 1 and a guide surface 2, both of which are connected to the hole wall of the positioning groove, and both of which are inclined surface structures. A pair of opposite groove walls of the guide hole are set as guide surface 1 and guide surface 2, and the surfaces of guide surface 1 and guide surface 2 are connected to the hole wall of the positioning groove after the magnetic sleeve structure is connected, and both of which are trumpet-shaped structures with outward inclined openings, so that the external components can quickly enter the positioning groove along guide surface 1 and guide surface 2 during assembly. The effect of improving the assembly efficiency with the outside is achieved.

[0010] Preferably, the upper and lower end faces of the magnetic steel body are provided with positioning grooves, and two installation guide rings are provided. The outer side of the installation guide ring is connected to the inner wall of the end of the side protective sleeve. The connection between the installation guide ring and the side protective sleeve is vertically connected and is set as a slot, and the magnetic steel body is embedded in the slot. The upper and lower end faces of the magnetic steel body are provided with positioning grooves to facilitate comprehensive and rapid assembly. The installation guide ring is correspondingly provided with two connections with the upper and lower end faces of the side protective sleeve, and the connection forms a stepped slot structure, so that the upper and lower ends of the magnetic steel body are embedded in the magnetic sleeve cavity to achieve compact assembly, wherein the guide hole facilitates the deformation and opening of the magnetic sleeve structure to accommodate the entry and exit of the magnetic steel body. The stability, compactness and convenience of the connection are improved.

[0011] Preferably, the magnetic steel body is connected with a positioning strip, which is placed on the outer side of the magnetic steel body, and the position of the positioning strip is matched with the positioning groove. The side protective cover is provided with a limiting groove, which is placed on the inner wall of the side protective cover, and the positioning strip is plugged into the limiting groove. The outer side of the magnetic steel body is connected with a positioning strip between the upper and lower positioning grooves, so that during assembly, the guide hole and the positioning groove can be aligned by inserting the positioning strip into the corresponding limiting groove of the side protective cover, without the need to rotate and adjust the relative position. This further improves the convenience of assembly.

[0012] Preferably, the buffer groove includes buffer groove 1 and buffer groove 2, wherein buffer groove 1 is disposed on the outer side of the side protective cover, and buffer groove 2 is disposed on the inner side of the side protective cover, and buffer groove 1 and buffer groove 2 are arranged in a staggered manner. The buffer groove includes buffer groove 1 on the outer side of the side protective cover and buffer groove 2 on the inner side, and the cross-sectional shape formed by buffer groove 1 and buffer groove 2 is a wavy structure, thereby improving the buffering effect and reducing the friction between the side protective cover and the magnetic steel body. This achieves the effect of improving the protection effectiveness and the convenience of assembly and disassembly of the connection.

[0013] Preferably, the magnetic sleeve structure includes a reinforcing ring, which is sleeved with the installation guide ring. The reinforcing ring is placed at the connection between the side protective sleeve and the installation guide ring. The cross-sectional shape of the reinforcing ring is triangular. The reinforcing ring is connected to the side protective sleeve and the installation guide ring. A reinforcing ring is provided at the outer vertical connection between the side protective sleeve and the installation guide ring. The reinforcing ring is sleeved on the installation guide ring. The cross-sectional shape of the reinforcing ring is triangular. The two sides of the reinforcing ring are respectively connected to the side protective sleeve and the installation guide ring to strengthen the connection strength between the side protective sleeve and the installation guide ring and prevent it from falling off and breaking. The effect of improving the connection strength and extending the service life is achieved.

[0014] The beneficial effects of the utility model are: the magnetic steel structure is easy to assemble stably and quickly; the protective structure prolongs the service life; the components are easy to assemble and maintain, saving resources; the protection effectiveness and the convenience of assembly and disassembly of the connection are improved; the connection strength and the stability and compactness of the connection are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 yes Figure 1 Side view of

[0017] Figure 3 yes Figure 2 A cross-sectional view of

[0018] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0019] In the figure: 1. Magnetic steel body, 2. Magnetic sleeve structure, 3. Positioning groove, 4. Side protective cover, 5. Installation guide ring, 6. Buffer groove, 7. Guide hole, 8. Guide surface one, 9. Guide surface two, 10. Slot, 11. Positioning strip, 12. Buffer groove one, 13. Buffer groove two, 14. Reinforcement ring, 15. Limiting groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specified, the relative arrangement of the components, numerical expressions and numerical values ​​described in these embodiments do not limit the scope of the present application. For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" are used in the embodiments to illustrate the relationship between an element or feature shown in the figure and another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be fixed "on" other elements or features. Therefore, the exemplary term "lower" can include both upper and lower orientations. The device can be fixed in other ways (rotated 90 degrees or located in other orientations), and the spatial relative description used here can be interpreted accordingly. At the same time, it should be understood that for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, process and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, process and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application. Example

[0024] like Figure 1 , 2 As shown, an AlNiCo magnetic steel structure for an instrument includes a magnetic steel body 1 and a magnetic sleeve structure 2. The magnetic steel body 1 is provided with a positioning groove 3. There are a plurality of positioning grooves 3 and they are evenly arranged on the magnetic steel body 1. The magnetic sleeve structure 2 includes a side protective sleeve 4 and an installation guide ring 5. The side protective sleeve 4 is provided with a buffer groove 6. The installation guide ring 5 is provided with a guide hole 7 that matches the position and size of the positioning groove 3. The installation guide ring 5 and the side protective sleeve 4 are an integrated structure.

[0025] like Figure 3 As shown, the groove wall of the guide hole 7 includes a guide surface 1 8 and a guide surface 2 9, and both the guide surface 1 8 and the guide surface 2 9 are connected with the hole wall of the positioning groove 3, and the guide surface 1 8 and the guide surface 2 9 are both inclined surface structures.

[0026] like Figure 3 As shown, the upper and lower end faces of the magnetic steel body 1 are provided with positioning grooves 3, and two installation guide rings 5 ​​are provided. The outer side surface of the installation guide ring 5 is connected to the inner wall of the end of the side protective sleeve 4. The connection between the installation guide ring 5 and the side protective sleeve 4 is vertically connected and is set as a slot 10, and the magnetic steel body 1 is embedded in the slot 10.

[0027] like Figure 3 , 4 As shown, the magnetic steel body 1 is connected with a positioning bar 11, which is placed on the outer side of the magnetic steel body 1, and the position of the positioning bar 11 is adapted to the positioning groove 3. The side protective cover 4 is provided with a limiting groove 15, which is placed on the inner wall of the side protective cover 4, and the positioning bar 11 is plugged into the limiting groove 15. The buffer groove 6 includes a buffer groove 12 and a buffer groove 2 13, the buffer groove 12 is placed on the outer side of the side protective cover 4, and the buffer groove 2 13 is placed on the inner side of the side protective cover 4, and the buffer groove 12 and the buffer groove 2 13 are staggered.

[0028] like Figure 4 As shown, the magnetic sleeve structure 2 includes a reinforcement ring 14, which is sleeved with the installation guide ring 5. The reinforcement ring 14 is placed at the connection between the side protective sleeve 4 and the installation guide ring 5. The cross-sectional shape of the reinforcement ring 14 is triangular, and the reinforcement ring 14 is connected to the side protective sleeve 4 and the installation guide ring 5.

[0029] like Figure 1-4As shown: four positioning grooves 3 are provided on the upper end surface of the magnetic steel body 1, and four corresponding ones are provided on the lower end surface, and at least two positioning strips 11 are provided between the corresponding upper and lower positioning grooves 3 to improve assembly accuracy.

[0030] The side protective cover 4 is provided with a clearance hole corresponding to and connected with the positioning groove 3 to prevent the smooth installation of external components from being blocked.

[0031] When in use, assemble the magnetic steel structure: insert each positioning strip 11 on the magnetic steel body 1 along the limit groove 15, and install the guide ring 5 to deform and open, so that the magnetic steel body 1 is inserted and slides in the side protective sleeve 4, until the lower end of the magnetic steel body 1 is inserted into the lower slot 10, and the upper end is inserted into the upper slot 10, the magnetic sleeve structure 2 and the magnetic steel body 1 are completely assembled, and each positioning groove 3 is connected with the guide hole 7 to form a protective and assembly guide magnetic steel structure. When assembling the external parts, the guide surface 1 8 and the guide surface 2 9 of the guide hole 7 are inserted into the positioning groove 3 for assembly and connection to achieve positioning and installation.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An AlNiCo magnetic steel structure for an instrument, characterized in that: The invention comprises a magnetic steel body (1) and a magnetic sleeve structure (2), wherein the magnetic steel body (1) is provided with a positioning groove (3), wherein a plurality of the positioning grooves (3) are provided and are evenly arranged on the magnetic steel body (1), wherein the magnetic sleeve structure (2) comprises a side protective sleeve (4) and a mounting guide ring (5), wherein the side protective sleeve (4) is provided with a buffer groove (6), wherein the mounting guide ring (5) is provided with a guide hole (7) which is matched with the position and size of the positioning groove (3), and wherein the mounting guide ring (5) and the side protective sleeve (4) are an integrated structure.

2. The AlNiCo magnetic steel structure for instruments according to claim 1, characterized in that: The groove wall of the guide hole (7) comprises a guide surface 1 (8) and a guide surface 2 (9), and the guide surface 1 (8) and the guide surface 2 (9) are both connected to the hole wall of the positioning groove (3), and the guide surface 1 (8) and the guide surface 2 (9) are both inclined surface structures.

3. The AlNiCo magnetic steel structure for instruments according to claim 2, characterized in that: The upper and lower end surfaces of the magnetic steel body (1) are both provided with positioning grooves (3), two installation guide rings (5) are provided, the outer side surface of the installation guide ring (5) is connected to the inner wall of the end of the side protective sleeve (4), the connection between the installation guide ring (5) and the side protective sleeve (4) is vertically connected and is set as a slot (10), and the magnetic steel body (1) is embedded in the slot (10).

4. The AlNiCo magnetic steel structure for instruments according to claim 3 is characterized in that: The magnetic steel body (1) is connected to a positioning strip (11), the positioning strip (11) is placed on the outer side of the magnetic steel body (1), the position of the positioning strip (11) is matched with the positioning groove (3), the side protective cover (4) is provided with a limiting groove (15), the limiting groove (15) is placed on the inner wall of the side protective cover (4), and the positioning strip (11) is plugged into the limiting groove (15).

5. The AlNiCo magnetic steel structure for instruments according to claim 4, characterized in that: The buffer groove (6) comprises a buffer groove one (12) and a buffer groove two (13); the buffer groove one (12) is disposed on the outer side surface of the side protective cover (4); the buffer groove two (13) is disposed on the inner side surface of the side protective cover (4); and the buffer groove one (12) and the buffer groove two (13) are arranged in a staggered manner.

6. The AlNiCo magnetic steel structure for instruments according to claim 1 or 5, characterized in that: The magnetic sleeve structure (2) comprises a reinforcement ring (14), the reinforcement ring (14) being sleeved with the installation guide ring (5), the reinforcement ring (14) being disposed at the connection between the side protection sleeve (4) and the installation guide ring (5), the cross-section of the reinforcement ring (14) being triangular, and the reinforcement ring (14) being connected to the side protection sleeve (4) and the installation guide ring (5).

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