Combined magnetic ring

Abstract

The utility model discloses a combined type magnetic ring, including magnetic ring main part, protection ring and heat dissipation subassembly, the magnetic ring main part is installed on the inner wall of protection ring, the inner wall of protection ring is equipped with spacing groove, and the spacing groove is equipped with the magnetic ring main part, the upper end face of protection ring is in threaded connection with the upper cover, and the heat dissipation subassembly is in threaded connection with the upper cover. The upper end face of the protective ring is in threaded connection with the upper cover, the lower end face of the protective ring is in threaded connection with the lower cover, the protective ring, the upper cover and the lower cover are all provided with limiting holes which are matched for use, connecting assemblies are installed in the limiting holes, and a heat dissipation assembly is installed on the protective ring. The combined magnetic ring solves the problems that in the prior art, when a combined magnetic ring is used, due to the fact that the magnetic rings are formed in a mutual overlapping and combining mode, heat dissipation of the magnetic rings is difficult, and due to the fact that the adjacent magnetic rings are clamped and nested through the limiting grooves, the connecting rods, the connecting blocks and the connecting grooves, although the connected magnetic rings can be stably connected, heat dissipation is difficult. However, the use and the installation in the mode are relatively tedious.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic rings, in particular to a combined magnetic ring. Background Art

[0002] The magnetic ring is a ring-shaped magnetic conductor. The magnetic ring is a commonly used anti-interference component in electronic circuits. It has a good suppression effect on high-frequency noise and is generally made of ferrite materials. The magnetic ring has different impedance characteristics at different frequencies. Generally, the impedance is very small at low frequencies. When the signal frequency increases, the impedance of the magnetic ring increases sharply.

[0003] After checking, the disclosure (announcement) number: CN217386816U discloses a combined magnetic ring. This technology discloses "comprising a combined magnetic ring body, a first magnetic ring, a limiting ring, a wiring groove and a second magnetic ring, wherein the combined magnetic ring body is composed of a first magnetic ring and a second magnetic ring as a whole, and both sides of the first magnetic ring are provided with annular engaging grooves and three groups of limiting grooves, and the limiting grooves are provided with connecting rods for nesting with the plug-in hole and the connecting groove, and the first magnetic ring is provided with a locking structure with the limiting ring on both sides through the engaging grooves, and the outer side of the limiting ring is provided with three groups of connecting protrusions in an integrated manner, and the rear end of the first magnetic ring is connected to the second magnetic ring through the engagement of multiple groups of limiting grooves and connecting blocks, and the limiting grooves are nested with the connecting grooves inside the connecting blocks through the connecting rods. The combined magnetic ring, the combined magnetic ring as a whole is composed of two A group of first magnetic rings and a group of second magnetic rings are spliced ​​and connected, and according to needs, the user can use the first magnetic ring alone or subsequently extend and connect multiple groups of first magnetic rings and second magnetic rings to facilitate the user to use them in combination, thereby improving the convenience and applicability of the device in use. At the same time, on both sides of the first magnetic ring, there are engaging grooves and three groups of limiting grooves that are engaged with the limiting ring and the connecting block, and the limiting ring can be stably positioned and installed and prevented from sliding through the nesting of the connecting rod inside the limiting groove and the plug-in hole inside the connecting block, and the "T"-shaped limiting block and the wiring trough inside the limiting ring can stably limit and fix the wound cable to avoid sliding and disordered winding of the common mode choke during the winding process, thereby improving the stability and convenience of the device in use.

[0004] However, the above-mentioned combined magnetic ring has the following disadvantages:

[0005] 1. When the combined magnetic rings in the patent are used, they are composed of overlapping and combined magnetic rings, which may cause difficulty in heat dissipation of the magnetic rings. In addition, the adjacent magnetic rings are nested with limit grooves, connecting rods, connecting blocks and connecting grooves. Although this method can make the connected magnetic rings stably connected, it is also more cumbersome to use and install.

[0006] In order to solve the above problems, a combined magnetic ring is proposed in the present application. Utility Model Content

[0007] In view of the problems in the related art, the utility model provides a combined magnetic ring, which can facilitate the heat dissipation of the magnetic ring and is easy to assemble during use.

[0008] To this end, the specific technical solutions adopted by the utility model are as follows:

[0009] A combined magnetic ring, comprising a magnetic ring body, a protective ring and a heat dissipation component, wherein the magnetic ring body is mounted on the inner wall of the protective ring, an upper cover is threadedly connected to the upper end surface of the protective ring, and a lower cover is threadedly connected to the lower end surface of the protective ring, the protective ring, the upper cover and the lower cover are all provided with matching limiting holes, a connecting component is installed in the limiting hole, and a heat dissipation component is installed on the protective ring;

[0010] The heat dissipation component includes an air outlet, which is opened on the inner wall of the protective ring and is connected to the gas channel in the inner cavity of the protective ring. An air inlet end connected to the gas channel is installed on the outer wall of the protective ring, and a connecting end is installed on the air inlet end, and the connecting end is connected to an external air source.

[0011] Furthermore, the connecting assembly includes a threaded rod, which is installed with a fastening nut after passing through the limiting holes on the upper cover, the protective ring and the lower cover in sequence, and the threaded rod can pass through two adjacent magnetic ring assemblies composed of the magnetic ring body, the protective ring, the upper cover, the lower cover and the heat dissipation assembly in sequence.

[0012] Furthermore, a limiting groove is provided on the inner wall of the protective ring, and a magnetic ring body is installed in the limiting groove.

[0013] Furthermore, the magnetic ring body comprises a main magnetic ring, a side wall of the main magnetic ring is provided with a clamping groove, and the main magnetic ring is connected to the clamping seat of the auxiliary magnetic ring through the clamping groove.

[0014] Furthermore, cable partitions are installed on both the main magnetic ring and the auxiliary magnetic ring, and the cable partitions are slidably connected to the limiting grooves.

[0015] Furthermore, a cable is wound between the two cable partitions.

[0016] Furthermore, the connecting end includes a movable sleeve, the movable sleeve is threadedly connected to the air inlet end, a pipeline is connected between the two movable sleeves, and an interface end is connected on the side wall of the pipeline.

[0017] The beneficial effects of the utility model are:

[0018] The utility model cooperates with the magnetic ring main body, the protective ring and the heat dissipation component. When in use, the interface end in the heat dissipation component is connected to the external gas source. During use, the gas enters the air inlet end through the interface end and the pipeline, then enters the gas channel in the inner cavity of the protective ring, and then flows out from the air outlet and sprays toward the magnetic ring main body installed in the protective ring, so as to conveniently complete the heat dissipation operation of the magnetic ring main body. In addition, the two adjacent magnetic ring assemblies are fixedly connected by the threaded rod and the fastening nut, which can simplify the installation steps and facilitate use, so that the device can not only facilitate the heat dissipation of the magnetic ring, but also be easy to assemble when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 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.

[0020] Figure 1 This is a schematic diagram of the overall structure of a combined magnetic ring in use according to an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall exploded structure of a combined magnetic ring according to an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the cooperation of an upper cover, a protective ring and a lower cover of a combined magnetic ring according to an embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the main structure of a magnetic ring of a combined magnetic ring according to an embodiment of the utility model;

[0024] Figure 5 It is an enlarged schematic diagram of the structure at point A of a combined magnetic ring according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Magnetic ring body; 101. Main magnetic ring; 102. Snap-on groove; 103. Auxiliary magnetic ring; 104. Snap-on seat; 105. Cable partition; 2. Protective ring; 3. Heat dissipation assembly; 4. Upper cover; 5. Lower cover; 6. Limiting hole; 7. Connecting assembly; 71. Threaded rod; 72. Fastening nut; 8. Air outlet; 9. Air inlet end; 10. Connecting end; 1011. Movable sleeve; 1012. Pipeline; 1013. Interface end; 11. Limiting groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] According to an embodiment of the utility model, a combined magnetic ring is provided.

[0029] Please refer to the instruction manual Figure 1-5 According to an embodiment of the utility model, a combined magnetic ring includes a magnetic ring body 1, a protective ring 2 and a heat dissipation component 3, wherein the magnetic ring body 1 is mounted on the inner wall of the protective ring 2, an upper cover 4 is threadedly connected to the upper end surface of the protective ring 2, and a lower cover 5 is threadedly connected to the lower end surface of the protective ring 2, and the protective ring 2, the upper cover 4 and the lower cover 5 are all provided with matching limiting holes 6, a connecting component 7 is installed in the limiting hole 6, and the connecting component 7 includes a threaded rod 71, and the threaded rod 71 is sequentially penetrated through the limiting holes 6 on the upper cover 4, the protective ring 2 and the lower cover 5, and then a fastening nut 72 is installed;

[0030] And the threaded rod 71 can sequentially penetrate two adjacent magnetic ring assemblies composed of a magnetic ring body 1, a protective ring 2, an upper cover 4, a lower cover 5 and a heat dissipation component 3, and the heat dissipation component 3 is installed on the protective ring 2; the heat dissipation component 3 includes an air outlet 8, and the air outlet 8 is opened on the inner wall of the protective ring 2, and the air outlet 8 is connected to the gas channel in the inner cavity of the protective ring 2, and an air inlet end 9 connected to the gas channel is installed on the outer wall of the protective ring 2, and a connecting end 10 is installed on the air inlet end 9, and the connecting end 10 is connected to an external air source, and the connecting end 10 includes a movable sleeve 1011, and the movable sleeve 1011 is threadedly connected to the air inlet end 9; a pipe 1012 is connected between the two movable sleeves 1011, and an interface end 1013 is connected on the side wall of the pipe 1012.

[0031] Through the cooperation of the magnetic ring body 1, the protective ring 2 and the heat dissipation component 3 provided in the above technical scheme, when in use, the interface end 1013 in the heat dissipation component 3 is connected to the external gas source. During use, the gas enters the air inlet end 9 through the interface end 1013 and the pipeline 1012, then enters the gas channel in the inner cavity of the protective ring 2, and then flows out from the air outlet 8 and sprays to the magnetic ring body 1 installed in the protective ring 2, so as to conveniently complete the heat dissipation operation of the magnetic ring body 1. In addition, the two adjacent magnetic ring assemblies are fixedly connected by the threaded rod 71 and the fastening nut 72, which can simplify the installation steps and facilitate use, so that the device can not only facilitate the heat dissipation of the magnetic ring, but also be easy to assemble when in use.

[0032] In one embodiment, please refer to the attached manual. Figure 2 and Figure 3 The inner wall of the protective ring 2 is provided with a limiting groove 11, and the magnetic ring body 1 is installed in the limiting groove 11. The provided limiting groove 11 can limit the magnetic ring body 1, and facilitates the installation of the magnetic ring body 1.

[0033] In one embodiment, please refer to the attached manual. Figure 1 , Figure 2 and Figure 4 The magnetic ring body 1 includes a main magnetic ring 101, a clamping groove 102 is provided on the side wall of the main magnetic ring 101, and the main magnetic ring 101 is connected to the clamping seat 104 of the auxiliary magnetic ring 103 through the clamping groove 102. Cable partitions 105 are installed on both the main magnetic ring 101 and the auxiliary magnetic ring 103, and the cable partitions 105 are slidably connected to the limiting groove 11, and a cable is wound between the two cable partitions 105. The cable partitions 105 can be convenient for winding the cable on the magnetic ring body 1, and the clamping groove 102 and the clamping seat 104 can facilitate the installation of the magnetic ring body 1.

[0034] Working process: first, wind the cable around the magnetic ring body 1, then install the lower cover 5 to the lower end of the protective ring 2, then align the cable partition 105 on the magnetic ring body 1 with the limit groove 11, place the magnetic ring body 1 into the protective ring 2, then install the upper cover 4 to the upper end of the protective ring 2, and then use the same method to assemble another magnetic ring assembly, then pass the threaded rod 71 through the two magnetic ring assemblies in sequence, install the fastening nut 72 on the threaded rod 71, and then install the movable sleeve 1011 in the connecting end 10 to the air inlet end 9, and then connect the interface end 1013 to the external air source, and the installation of the device is completed. During use, the gas enters the air inlet end 9 through the interface end 1013 and the pipeline 1012, and then enters the gas channel in the inner cavity of the protective ring 2, and then flows out from the air outlet 8 and sprays to the magnetic ring body 1 installed in the protective ring 2, so as to conveniently complete the heat dissipation operation of the magnetic ring body 1.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A combined magnetic ring, comprising a magnetic ring body (1), a protective ring (2) and a heat dissipation assembly (3), characterized in that: The magnetic ring body (1) is mounted on the inner wall of the protective ring (2); an upper cover (4) is threadedly connected to the upper end surface of the protective ring (2); and a lower cover (5) is threadedly connected to the lower end surface of the protective ring (2); the protective ring (2), the upper cover (4) and the lower cover (5) are all provided with limiting holes (6) for use in conjunction with each other; a connecting component (7) is installed in the limiting hole (6); and a heat dissipation component (3) is installed on the protective ring (2); The heat dissipation component (3) comprises an air outlet (8), wherein the air outlet (8) is provided on the inner wall of the protective ring (2), and the air outlet (8) is connected to a gas channel in the inner cavity of the protective ring (2); an air inlet end (9) connected to the gas channel is installed on the outer wall of the protective ring (2), and a connecting end (10) is installed on the air inlet end (9), and the connecting end (10) is connected to an external gas source.

2. A combined magnetic ring according to claim 1, characterized in that: The connecting assembly (7) comprises a threaded rod (71), the threaded rod (71) sequentially passing through the limiting holes (6) on the upper cover (4), the protective ring (2) and the lower cover (5), and then being installed with a fastening nut (72), and the threaded rod (71) can sequentially pass through two adjacent magnetic ring assemblies composed of the magnetic ring body (1), the protective ring (2), the upper cover (4), the lower cover (5) and the heat dissipation assembly (3).

3. The combined magnetic ring according to claim 1, characterized in that: A limiting groove (11) is provided on the inner wall of the protective ring (2), and a magnetic ring body (1) is installed in the limiting groove (11).

4. A combined magnetic ring according to claim 3, characterized in that: The magnetic ring body (1) comprises a main magnetic ring (101), a clamping groove (102) is provided on the side wall of the main magnetic ring (101), and the main magnetic ring (101) is connected to a clamping seat (104) of an auxiliary magnetic ring (103) via the clamping groove (102).

5. A combined magnetic ring according to claim 4, characterized in that: A cable partition (105) is installed on both the main magnetic ring (101) and the auxiliary magnetic ring (103), and the cable partition (105) is slidably connected to the limiting groove (11).

6. A combined magnetic ring according to claim 5, characterized in that: A cable is wound between the two cable partitions (105).

7. The combined magnetic ring according to claim 1, characterized in that: The connecting end (10) comprises a movable sleeve (1011), the movable sleeve (1011) is threadedly connected to the air inlet end (9), a pipe (1012) is connected between the two movable sleeves (1011), and an interface end (1013) is connected on the side wall of the pipe (1012).

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