A telescopic magnetic ring

Abstract

The utility model discloses a telescopic magnetic ring, which belongs to the technical field of magnetic rings. It comprises a magnetic ring body, wherein a magnetic ring accessory is slidably connected in the magnetic ring body, a protrusion is arranged at one end of the magnetic ring accessory, a slide groove corresponding to the protrusion is arranged at one end of the magnetic ring body, and a limiting component is arranged on one side of the upper end of the magnetic ring body; the limiting component comprises a fixed cylinder, a sliding rod, a top plate, a limiting plate, a spring, a clamping hole and a push-pull component. The utility model sets the limiting component, pulls the top plate to drive the sliding rod and the limiting plate to slide in the fixed cylinder, and the spring is compressed. Then, the slidable magnetic ring accessory can slide in the magnetic ring body, and the top plate is released after the magnetic ring accessory slides to a suitable length. The spring is stretched to push the lower end of the sliding rod into the clamping hole corresponding to the upper end of the magnetic ring accessory. The limiting component can be set to limit and fix the magnetic ring accessory and the magnetic ring body, so that the magnetic ring accessory and the magnetic ring body can be telescopically adjusted to different lengths for use.

Description

Technical Field

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

[0002] Magnetic ring: As the name implies, it is a ring-shaped magnetic conductor. Magnetic ring is a commonly used anti-interference component in electronic circuits and has a good inhibitory effect on high-frequency noise.

[0003] Chinese patent application No. 2013103859652 discloses a telescopic magnetic ring, including an arc-shaped magnetic ring body, characterized in that it also includes: a solid arc-shaped magnetic ring attachment that is slidably connected to one end of the magnetic ring body, and a slot located at the other end of the magnetic ring body; a protrusion is provided on the outside of the magnetic ring attachment, and a slide groove for the protrusion to slide is provided on the outside of the magnetic ring body corresponding to the magnetic ring attachment. The benefit of the present invention is that the magnetic ring attachment slides in the magnetic ring body, and when the magnetic ring attachment is retracted into the magnetic ring body, it can not only reduce the volume of the magnetic ring when it is stored, but also facilitate manual winding, without the need to use a hook to hook the winding, and facilitate the winding process of the magnetic ring.

[0004] The above-mentioned patent does not have a limiting and fixing function. After the magnetic ring accessory and the magnetic ring body are telescopically adjusted to different lengths, the magnetic ring accessory and the magnetic ring body cannot be limited and fixed. At the same time, the original device is not convenient for accurately adjusting the magnetic ring accessory and the magnetic ring body to different lengths, and it is not convenient to observe and know the length of the adjusted magnetic ring accessory. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a telescopic magnetic ring, which has the function of limiting and fixing, and can limit and fix the magnetic ring attachment and the magnetic ring body.

[0006] To achieve the above object, the utility model provides the following technical solutions: a telescopic magnetic ring, comprising a magnetic ring body, a magnetic ring attachment is slidably connected to the magnetic ring body, a protrusion is arranged at one end of the magnetic ring attachment, a slide groove corresponding to the protrusion is arranged at one end of the magnetic ring body, and a limit assembly is arranged on one side of the upper end of the magnetic ring body;

[0007] The limiting assembly includes a fixed cylinder, a sliding rod, a top plate, a limiting plate, a spring, a clamping hole and a push-pull assembly, wherein a fixed cylinder is arranged on one side of the upper end of the magnetic ring body, a sliding rod is arranged in the fixed cylinder, a top plate is arranged on the upper end of the sliding rod, a limiting plate is arranged on the lower side of the sliding rod surface, a spring is arranged on the surface of the sliding rod between the limiting plate and the fixed cylinder, a plurality of clamping holes corresponding to the sliding rod are arranged on the upper end of the magnetic ring accessory, and a push-pull assembly is arranged at one end of the magnetic ring accessory.

[0008] Preferably, the push-pull assembly includes a mounting plate, fixing bolts, rubber pads, a pull plate and a groove, wherein a pull plate is provided at one end of the magnetic ring accessory, grooves are provided at both ends of the pull plate, rubber pads are provided in the grooves, a mounting plate is provided on one side of the lower end of the pull plate, and the mounting plate and the magnetic ring accessory are connected by fixing bolts.

[0009] Preferably, both ends of the top plate protrude from the sides of the fixing tube, the lower end of the slide rod is arranged as an arc structure, and a slide hole corresponding to the slide rod is arranged in the magnetic ring body.

[0010] Preferably, there is an angle of ten degrees between adjacent clamping holes, threaded holes corresponding to the fixing bolts are arranged on the magnetic ring attachment, and through holes corresponding to the fixing bolts are arranged on the mounting plate.

[0011] Preferably, a scale is provided at one end of the magnetic ring body, a vertical plate is provided at one end of the raised portion, a through hole is provided at a position on the upper side of the vertical plate corresponding to the scale, a pointer is provided in the through hole, and the pointer is connected to the vertical plate by a connecting rod.

[0012] Preferably, the side edge of the vertical plate is tangent to the side edge of the magnetic ring body, and the vertical plate and the raised portion as well as the connecting rod and the vertical plate are spot welded.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model sets a limit assembly, pulls the top plate to drive the slide bar and the limit plate to slide in the fixed cylinder, and the spring is compressed. Then the slidable magnetic ring accessory slides in the magnetic ring body. After the magnetic ring accessory slides to an appropriate length, the top plate is released, and the spring is extended to push the lower end of the slide bar into the corresponding clamping hole at the upper end of the magnetic ring accessory, so as to achieve the effect of limiting and fixing the magnetic ring accessory. By setting the limit assembly, the magnetic ring accessory and the magnetic ring body can be limited and fixed, which is convenient for adjusting the magnetic ring accessory and the magnetic ring body to different lengths for use.

[0015] 2. The utility model sets a vertical plate at one end of the raised part. When the magnetic ring accessory slides, the raised part drives the vertical plate to move. The pointer in the upper through hole of the vertical plate points to the position of the scale, so that the telescopic adjustment length between the magnetic ring accessory and the magnetic ring body can be known. The magnetic ring accessory is stopped after the pointer points to the appropriate position on the scale. By setting the scale, it is convenient to observe and know the length of the magnetic ring accessory during adjustment, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a cutaway perspective view of the fixed tube of the utility model;

[0018] Figure 3It is a three-dimensional diagram of the vertical plate of the utility model;

[0019] In the figure: 1. magnetic ring body; 2. limit assembly; 21. fixed cylinder; 22. slide rod; 23. top plate; 24. limit plate; 25. spring; 26. clamping hole; 27. push-pull assembly; 271. mounting plate; 272. fixing bolt; 273. rubber pad; 274. pull plate; 275. groove; 3. magnetic ring attachment; 4. raised part; 5. slide groove; 6. scale; 7. vertical plate; 8. through hole; 9. pointer; 10. connecting rod. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-3 The utility model provides the following technical solutions: a telescopic magnetic ring, comprising a magnetic ring body 1, a magnetic ring attachment 3 is slidably connected in the magnetic ring body 1, a protrusion 4 is arranged at one end of the magnetic ring attachment 3, a sliding groove 5 corresponding to the protrusion 4 is arranged at one end of the magnetic ring body 1, and a limit assembly 2 is arranged on one side of the upper end of the magnetic ring body 1;

[0023] The limiting assembly 2 includes a fixed cylinder 21, a slide rod 22, a top plate 23, a limiting plate 24, a spring 25, a clamping hole 26 and a push-pull assembly 27, wherein a fixed cylinder 21 is arranged on one side of the upper end of the magnetic ring body 1, a slide rod 22 is arranged in the fixed cylinder 21, a top plate 23 is arranged on the upper end of the slide rod 22, a limiting plate 24 is arranged on the lower side of the surface of the slide rod 22, a spring 25 is arranged on the surface of the slide rod 22 between the limiting plate 24 and the fixed cylinder 21, a plurality of clamping holes 26 corresponding to the slide rod 22 are arranged on the upper end of the magnetic ring accessory 3, and a push-pull assembly 27 is arranged at one end of the magnetic ring accessory 3.

[0024] Specifically, the push-pull assembly 27 includes a mounting plate 271, a fixing bolt 272, a rubber pad 273, a pull plate 274 and a groove 275, wherein a pull plate 274 is provided at one end of the magnetic ring attachment 3, grooves 275 are provided at both ends of the pull plate 274, a rubber pad 273 is provided in the groove 275, a mounting plate 271 is provided on one side of the lower end of the pull plate 274, and the mounting plate 271 is connected to the magnetic ring attachment 3 by a fixing bolt 272.

[0025] By adopting the above technical solution, the top plate 23 is pulled to drive the slide bar 22 and the limit plate 24 to slide in the fixed cylinder 21, and the spring 25 is compressed. Then the slidable magnetic ring accessory 3 can slide in the magnetic ring body 1. After the magnetic ring accessory 3 slides to an appropriate length, the top plate 23 is released, and the spring 25 is stretched to push the lower end of the slide bar 22 into the corresponding clamping hole 26 at the upper end of the magnetic ring accessory 3 to achieve the effect of limiting and fixing the magnetic ring accessory 3. By setting the limit component 2, the magnetic ring accessory 3 and the magnetic ring body 1 can be limited and fixed, which is convenient for adjusting the magnetic ring accessory 3 and the magnetic ring body 1 to different lengths for use. The pull plate 274 is installed and fixed to the magnetic ring accessory 3 through the mounting plate 271 and the fixing bolt 272. Then the pull plate 274 can be pinched through the groove 275, and the magnetic ring accessory 3 can be pushed and pulled through the pull plate 274. At the same time, the rubber pad 273 is set on the inner wall of the groove 275 to play an anti-slip role. By setting the push-pull component 27, it is convenient to push and pull the magnetic ring accessory 3.

[0026] Specifically, two ends of the top plate 23 protrude from the sides of the fixing tube 21 , the lower end of the slide rod 22 is configured as an arc-shaped structure, and a slide hole corresponding to the slide rod 22 is configured in the magnetic ring body 1 .

[0027] By adopting the above technical solution, it is convenient to pull the top plate 23, and the slide rod 22 can easily enter the clamping hole 26 on the magnetic ring attachment 3, and the slide rod 22 can slide in the magnetic ring body 1.

[0028] Specifically, there is an angle of ten degrees between adjacent clamping holes 26 , threaded holes corresponding to the fixing bolts 272 are provided on the magnetic ring attachment 3 , and through holes corresponding to the fixing bolts 272 are provided on the mounting plate 271 .

[0029] By adopting the above technical solution, the plurality of clamping holes 26 can be distributed at equal distances, and the fixing bolts 272 can pass through the through holes on the mounting plate 271 and be screwed into the threaded holes on the magnetic ring attachment 3 .

[0030] When the present embodiment is used, when the telescopic magnetic ring is used, the device is installed in a suitable position, and the magnetic ring attachment 3 can be telescopically moved in the magnetic ring body 1. When the magnetic ring attachment 3 moves, the protrusion 4 is driven to slide in the slide groove 5 of the magnetic ring body 1. By setting the limit assembly 2, the top plate 23 is pulled to drive the slide rod 22 and the limit plate 24 to slide in the fixed cylinder 21, and the spring 25 is compressed. Then, the slidable magnetic ring attachment 3 can slide in the magnetic ring body 1. After the magnetic ring attachment 3 slides to a suitable length, the top plate 23 is released, and the spring 25 is stretched to push the lower end of the slide rod 22 into the corresponding clamping hole 26 at the upper end of the magnetic ring attachment 3. , achieving the effect of limiting and fixing the magnetic ring accessory 3. By setting the limiting component 2, the magnetic ring accessory 3 and the magnetic ring body 1 can be limited and fixed, which is convenient for adjusting the magnetic ring accessory 3 and the magnetic ring body 1 to different lengths for use. The pull plate 274 is installed and fixed to the magnetic ring accessory 3 through the mounting plate 271 and the fixing bolt 272. Thereafter, the pull plate 274 can be pinched through the groove 275, and the magnetic ring accessory 3 can be pushed and pulled through the pull plate 274. At the same time, a rubber pad 273 is arranged on the inner wall of the groove 275 to play an anti-slip role. By setting the push-pull component 27, it is convenient to push and pull the magnetic ring accessory 3.

[0031] Example 2

[0032] The difference between this embodiment and embodiment 1 is that a scale 6 is provided at one end of the magnetic ring body 1, a vertical plate 7 is provided at one end of the protrusion 4, a through hole 8 is provided at a position corresponding to the scale 6 on the upper side of the vertical plate 7, a pointer 9 is provided in the through hole 8, and the pointer 9 is connected to the vertical plate 7 by a connecting rod 10.

[0033] By adopting the above technical solution, when the magnetic ring accessory 3 slides, the protrusion 4 drives the vertical plate 7 to move. The pointer 9 in the through hole 8 on the upper side of the vertical plate 7 points to the position of the scale 6, and the length of the telescopic adjustment between the magnetic ring accessory 3 and the magnetic ring body 1 can be known. After the pointer 9 points to the appropriate position on the scale 6, the magnetic ring accessory 3 is stopped from moving. By setting the scale 6, it is convenient to observe and know the length of the magnetic ring accessory 3 during adjustment, thereby improving the practicality of the device.

[0034] Specifically, the side of the vertical plate 7 is tangent to the side of the magnetic ring body 1 , and the vertical plate 7 and the protruding portion 4 as well as the connecting rod 10 and the vertical plate 7 are all welded by spot welding.

[0035] By adopting the above technical solution, the vertical plate 7 is prevented from scratching the side of the magnetic ring body 1, and the spot welding makes the vertical plate 7 and the protrusion 4 as well as the connection rod 10 and the vertical plate 7 stronger.

[0036] When this embodiment is used, a vertical plate 7 is provided at one end of the protruding portion 4. When the magnetic ring accessory 3 slides, the protruding portion 4 drives the vertical plate 7 to move. The pointer 9 in the through hole 8 on the upper side of the vertical plate 7 points to the position of the scale 6, and the length of the telescopic adjustment between the magnetic ring accessory 3 and the magnetic ring body 1 can be known. The magnetic ring accessory 3 is stopped after the pointer 9 points to the appropriate position on the scale 6. By providing the scale 6, it is convenient to observe and know the length of the magnetic ring accessory 3 during adjustment, thereby improving the practicality of the device.

[0037] The structure and working principle of the magnetic ring body 1, the magnetic ring attachment 3, the protrusion 4 and the slide groove 5 in the utility model have been disclosed in a telescopic magnetic ring disclosed in Chinese patent application No. 2013103859652. Its working principle is that the magnetic ring attachment 3 can be telescopically moved in the magnetic ring body 1, and when the magnetic ring attachment 3 moves, the protrusion 4 drives the slide groove 5 of the magnetic ring body 1 to slide.

[0038] The working principle and use process of the utility model are as follows: when the telescopic magnetic ring is used, the device is installed in a suitable position, and the magnetic ring accessory 3 can be telescopically moved in the magnetic ring body 1. When the magnetic ring accessory 3 moves, the protrusion 4 is driven to slide in the slide groove 5 of the magnetic ring body 1. By setting the limit component 2, the top plate 23 is pulled to drive the slide rod 22 and the limit plate 24 to slide in the fixed cylinder 21, and the spring 25 is compressed. Then, the slidable magnetic ring accessory 3 can slide in the magnetic ring body 1. After the magnetic ring accessory 3 slides to an appropriate length, the top plate 23 is released, and the spring 25 is stretched to push the lower end of the slide rod 22 into the corresponding clamping hole 26 at the upper end of the magnetic ring accessory 3, so as to achieve the effect of limiting and fixing the magnetic ring accessory 3. By setting the limit component 2, the magnetic ring accessory 3 and the magnetic ring body 1 can be limited and fixed, which is convenient for adjusting the distance between the magnetic ring accessory 3 and the magnetic ring body 1 to be telescopic. Different lengths are used, and the pull plate 274 is installed and fixed to the magnetic ring accessory 3 through the mounting plate 271 and the fixing bolt 272. Thereafter, the pull plate 274 can be pinched through the groove 275, and the magnetic ring accessory 3 can be pushed and pulled through the pull plate 274. At the same time, a rubber pad 273 is arranged on the inner wall of the groove 275 to prevent slipping. The push-pull component 27 is arranged to facilitate pushing and pulling of the magnetic ring accessory 3. By arranging a vertical plate 7 at one end of the protruding portion 4, the protruding portion 4 drives the vertical plate 7 to move when the magnetic ring accessory 3 slides, and the pointer 9 in the through hole 8 on the upper side of the vertical plate 7 points to the position of the scale 6, so that the length of the telescopic adjustment between the magnetic ring accessory 3 and the magnetic ring body 1 can be known. The magnetic ring accessory 3 is stopped after the pointer 9 points to the appropriate position on the scale 6. The scale 6 is arranged to facilitate observation and knowledge of the length of the magnetic ring accessory 3 during adjustment, thereby improving the practicality of the device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic magnetic ring, comprising a magnetic ring body, characterized in that: The magnetic ring body is slidably connected with a magnetic ring attachment, one end of the magnetic ring attachment is provided with a protrusion, one end of the magnetic ring body is provided with a slide groove corresponding to the protrusion, and one side of the upper end of the magnetic ring body is provided with a limit assembly; The limiting assembly includes a fixed cylinder, a sliding rod, a top plate, a limiting plate, a spring, a clamping hole and a push-pull assembly, wherein a fixed cylinder is arranged on one side of the upper end of the magnetic ring body, a sliding rod is arranged in the fixed cylinder, a top plate is arranged on the upper end of the sliding rod, a limiting plate is arranged on the lower side of the sliding rod surface, a spring is arranged on the surface of the sliding rod between the limiting plate and the fixed cylinder, a plurality of clamping holes corresponding to the sliding rod are arranged on the upper end of the magnetic ring accessory, and a push-pull assembly is arranged at one end of the magnetic ring accessory.

2. A telescopic magnetic ring according to claim 1, characterized in that: The push-pull assembly includes a mounting plate, fixing bolts, rubber pads, a pull plate and a groove, wherein a pull plate is provided at one end of the magnetic ring attachment, grooves are provided at both ends of the pull plate, rubber pads are provided in the grooves, a mounting plate is provided on one side of the lower end of the pull plate, and the mounting plate and the magnetic ring attachment are connected by fixing bolts.

3. A telescopic magnetic ring according to claim 2, characterized in that: The two ends of the top plate protrude from the sides of the fixing cylinder, the lower end of the slide rod is arranged in an arc structure, and a slide hole corresponding to the slide rod is arranged in the magnetic ring body.

4. The telescopic magnetic ring according to claim 2, characterized in that: There is an angle of ten degrees between the adjacent clamping holes, threaded holes corresponding to the fixing bolts are arranged on the magnetic ring attachment, and through holes corresponding to the fixing bolts are arranged on the mounting plate.

5. The telescopic magnetic ring according to claim 1, characterized in that: A scale is arranged at one end of the magnetic ring body, a vertical plate is arranged at one end of the raised part, a through hole is arranged at a position corresponding to the scale on the upper side of the vertical plate, a pointer is arranged in the through hole, and the pointer is connected to the vertical plate by a connecting rod.

6. A telescopic magnetic ring according to claim 5, characterized in that: The side edge of the vertical plate is tangent to the side edge of the magnetic ring body, and the vertical plate and the raised portion as well as the connecting rod and the vertical plate are spot welded.

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