Propulsion electromagnet with high stability

Abstract

The utility model relates to the technical field of propulsion electromagnets, and discloses a high-stability propulsion electromagnet which comprises a shell, a magnetic core tube is fixedly connected to the inner wall of the shell, a right end cover is fixedly connected to the right side of the shell, a left end cover is fixedly connected to the left side of the shell, and a coil is connected to the surface of the magnetic core tube in a sleeved mode. The inner wall of the magnetic core tube and the inner wall of the left end cover are both slidably connected with iron core assemblies. Through cooperation of the rectangular cylinder, the first strip-shaped hole, the sliding block, the second strip-shaped hole and the U-shaped column, when the pushing rod on the iron core assembly moves leftwards, the sliding block can slide in the rectangular cylinder, kinetic energy generated when the pushing rod moves is released in the form of heat energy through friction force between the sliding block and the rubber pad, and the energy-saving effect is achieved. Therefore, the speed of the pushing rod when the pushing rod moves leftwards is reduced, the impact force between the armature and the left end cover is weakened, and the pushing rod on the pushing electromagnet is more stable during pushing.

Description

Technical Field

[0001] The utility model relates to the technical field of propulsion electromagnets, in particular to a propulsion electromagnet with high stability. Background Art

[0002] An electromagnet is an electrical actuator that converts electrical energy into mechanical energy to complete command actions. Compared with mechanical and hydraulic devices, it has the advantages of fast response time, strong electromagnetic attraction, small size and light weight. Therefore, electromagnets are widely used in various fields such as medical equipment, food machinery, and textile machinery.

[0003] At present, the propulsion electromagnet on the market is composed of components such as a shell, a magnetic core tube, a coil, an armature, a spring, a propulsion rod and an end cover. When the coil is energized, the magnetic core tube exerts suction on the armature to compress the spring. When the coil is de-energized, the compressed spring can propel the propulsion rod to a specified distance in a specified direction. For example, a propulsion electromagnet disclosed in Chinese patent publication number CN216623916U, when the spring is released, the elastic force of the spring will cause a strong collision between the armature and the end cover, and the impact force will cause the propulsion rod to shake during propulsion, and the stability of the propulsion of the push rod cannot be guaranteed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, the propulsion electromagnet on the market is composed of a shell, a magnetic core tube, a coil, an armature, a spring, a propulsion rod and an end cover, wherein when the coil is energized, the spring is compressed by the suction of the magnetic core tube to the armature, and when the coil is de-energized, the propulsion rod can be pushed a certain distance in a specified direction by the compressed spring, but when the spring is released, a strong collision occurs between the armature and the end cover by the elastic force of the spring, and the propulsion rod will shake when it is pushed, and the stability of the push rod cannot be guaranteed. A propulsion electromagnet with high stability is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A propulsion electromagnet with high stability comprises a shell, an inner wall of the shell is fixedly connected to a magnetic core tube, a right side of the shell is fixedly connected to a right end cover, a left side of the shell is fixedly connected to a left end cover, a coil is sleeved on the surface of the magnetic core tube, an inner wall of the magnetic core tube and an inner wall of the left end cover are both slidably connected to an iron core assembly, upper and lower sides of the iron core assembly are both fixedly connected to a U-shaped column, a left side of the left end cover is fixedly connected to a rectangular tube, front and rear sides of the rectangular tube are both provided with a first strip hole, front and rear sides of the inner wall of the rectangular tube and the left side of the left end cover are both fitted with a slider, a rubber pad is fitted with the left side of the slider, an adjustment bracket is bonded to the left side of the rubber pad, the right side of the adjustment bracket is fixedly connected to the left side of the rectangular tube, a second strip hole is provided inside the slider, and the inner wall of the first strip hole and the inner wall of the second strip hole are both in contact with the surface of the U-shaped column.

[0007] Preferably, the core assembly includes an armature, the surface of the armature contacts the inner wall of the magnetic core tube, the right side of the armature is fixedly connected to a guide column, the surface of the guide column contacts the inner wall of the magnetic core tube, the right side of the armature is fixedly connected to a spring, the right end of the spring contacts the inner wall of the magnetic core tube, the left side of the armature is fixedly connected to a push rod, the surface of the push rod contacts the inner wall of the left end cover, the surface of the armature, the surface of the guide column and the surface of the push rod are all provided with a first air groove, the front and rear sides of the push rod are fixedly connected to a first connecting block, and the upper and lower sides of the first connecting block are fixedly connected to the surface of the U-shaped column.

[0008] Preferably, the adjustment bracket includes a first vertical plate, the right side of the first vertical plate is fixedly connected to the left side of the rectangular tube, a circular hole is opened inside the first vertical plate, the inner wall of the circular hole and the left side of the first vertical plate are fitted with bolts, the surface of the bolt is fixedly connected to a limiting ring, the left side of the limiting ring is in contact with the right side of the first vertical plate, the surface of the bolt is threadedly connected to a threaded tube, the right side of the threaded tube is fixedly connected to a second vertical plate, the right side of the second vertical plate is bonded to the left side of the rubber pad, the surface of the second vertical plate is in contact with the inner wall of the rectangular tube, and second air grooves are opened on the upper and lower sides of the second vertical plate.

[0009] Preferably, the first strip-shaped hole is parallel to the horizontal plane, and the angle between the second strip-shaped hole and the horizontal plane is 30°.

[0010] Preferably, an electric wire is fixedly connected to the right side of the magnetic core tube, a through hole is opened on the right side of the right end cover, the inner wall of the through hole is bonded to the surface of the electric wire, and a reinforcement ring is bonded to the surface of the electric wire and the right side of the right end cover.

[0011] Preferably, a second connecting block is fixedly connected to the right side of the right end cover, and U-shaped spring pieces are fixedly connected to both the front and rear sides of the second connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model cooperates with the rectangular tube, the first strip hole, the slider, the second strip hole and the U-shaped column so that when the propulsion rod on the iron core assembly moves to the left, the slider can slide in the rectangular tube, and through the friction between the slider and the rubber pad, the kinetic energy of the propulsion rod when moving is released in the form of heat energy, thereby reducing the speed of the propulsion rod when moving to the left, thereby reducing the impact force between the armature and the left end cover, and making the propulsion rod on the propulsion electromagnet more stable when propulsing.

[0014] (2) The utility model arranges a rubber pad on an adjustment bracket, and when a user turns a bolt on the adjustment bracket, the pressure of the rubber pad on the slider can be changed through the cooperation of the bolt and the threaded barrel. At the same time, the propulsion speed of the propulsion rod will change with the change of the pressure of the rubber pad on the slider. Then, by adjusting the bracket, the user can adjust the propulsion speed of the propulsion electromagnet according to usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front view of the structure of the utility model;

[0017] Figure 3 It is a right side view of the right end cover in the utility model;

[0018] Figure 4 It is a top view of the core assembly in the utility model;

[0019] Figure 5 It is a front view of the rectangular tube in the utility model;

[0020] Figure 6 It is a front view of the slider in the utility model;

[0021] Figure 7 It is a top view of the adjusting bracket in the utility model;

[0022] Figure 8 for Figure 7 Sectional view at AA;

[0023] Fig. 9 It is a top view of the U-shaped spring piece in the utility model.

[0024] In the figure: 1. shell; 2. magnetic core tube; 3. right end cover; 4. left end cover; 5. coil; 6. core assembly; 61. armature; 62. guide column; 63. spring; 64. push rod; 65. first air groove; 66. first connecting block; 7. U-shaped column; 8. rectangular tube; 9. first strip hole; 10. slider; 11. rubber pad; 12. adjustment bracket; 121. first vertical plate; 122. round hole; 123. bolt; 124. limit ring; 125. threaded tube; 126. second vertical plate; 127. second air groove; 13. second strip hole; 14. wire; 15. through hole; 16. reinforcement ring; 17. second connecting block; 18. U-shaped spring piece. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Embodiment 1:

[0028] Reference Figure 1-8A propulsion electromagnet with high stability comprises a shell 1, a magnetic core tube 2 is fixedly connected to the inner wall of the shell 1, a right end cover 3 is fixedly connected to the right side of the shell 1, a left end cover 4 is fixedly connected to the left side of the shell 1, a coil 5 is sleeved on the surface of the magnetic core tube 2, an iron core assembly 6 is slidably connected to the inner wall of the magnetic core tube 2 and the inner wall of the left end cover 4, a U-shaped column 7 is fixedly connected to the upper and lower sides of the iron core assembly 6, a rectangular tube 8 is fixedly connected to the left side of the left end cover 4, a first strip hole 9 is opened on the front and rear sides of the rectangular tube 8, a slider 10 is fitted on the front and rear sides of the inner wall of the rectangular tube 8 and the left side of the left end cover 4, the slider 10 can slide up and down in the rectangular tube 8, a rubber pad 11 is fitted on the left side of the slider 10, and a rubber pad 11 is fitted on the left side of the slider 10. An adjustment bracket 12 is bonded to the left side of the rubber pad 11, and the right side of the adjustment bracket 12 is fixedly connected to the left side of the rectangular tube 8. A second strip hole 13 is opened inside the slider 10, and the inner wall of the first strip hole 9 and the inner wall of the second strip hole 13 are both in contact with the surface of the U-shaped column 7. The first strip hole 9 is parallel to the horizontal plane, and the angle between the second strip hole 13 and the horizontal plane is 30°. When the U-shaped column 7 moves to the right, the distance between the slider 10 and the core assembly 6 is reduced through the cooperation of the first strip hole 9, the second strip hole 13 and the U-shaped column 7. When the U-shaped column 7 moves to the left, the distance between the slider 10 and the core assembly 6 is increased through the cooperation of the first strip hole 9, the second strip hole 13 and the U-shaped column 7.

[0029] The core assembly 6 includes an armature 61, the surface of the armature 61 contacts the inner wall of the magnetic core tube 2, a guide post 62 is fixedly connected to the right side of the armature 61, the surface of the guide post 62 contacts the inner wall of the magnetic core tube 2, and the movement of the armature 61 is guided by the cooperation of the guide post 62 and the magnetic core tube 2. A spring 63 is fixedly connected to the right side of the armature 61, and the right end of the spring 63 contacts the inner wall of the magnetic core tube 2. The spring 63 enables the armature 61 to automatically move to the left after the coil 5 is powered off. The left side of the armature 61 is fixedly connected There is a push rod 64, the surface of which is in contact with the inner wall of the left end cover 4. The surfaces of the armature 61, the guide column 62 and the push rod 64 are all provided with a first air groove 65. When the core assembly 6 moves horizontally, the air inside and outside the shell 1 can circulate through the first air groove 65. The front and rear sides of the push rod 64 are fixedly connected with a first connecting block 66. The upper and lower sides of the first connecting block 66 are fixedly connected to the surface of the U-shaped column 7. The U-shaped column 7 is fixed to the push rod 64 through the first connecting block 66.

[0030] The adjusting bracket 12 includes a first vertical plate 121, the right side of the first vertical plate 121 is fixedly connected to the left side of the rectangular tube 8, a circular hole 122 is opened inside the first vertical plate 121, and bolts 123 are fitted on the inner wall of the circular hole 122 and the left side of the first vertical plate 121, and a limiting ring 124 is fixedly connected to the surface of the bolt 123, and the left side of the limiting ring 124 contacts the right side of the first vertical plate 121, so that the bolt 123 cannot move horizontally in the circular hole 122 through the limiting ring 124, and the bolt 123 can rotate freely in the circular hole 122. A threaded tube 125 is threadedly connected to the surface of 123, and a second vertical plate 126 is fixedly connected to the right side of the threaded tube 125. The right side of the second vertical plate 126 is bonded to the left side of the rubber pad 11, and the surface of the second vertical plate 126 contacts the inner wall of the rectangular tube 8. Second air grooves 127 are provided on the upper and lower sides of the second vertical plate 126. The air on the left and right of the second vertical plate 126 can circulate through the second air grooves 127. When the bolt 123 rotates, the pressure of the rubber pad 11 on the slider 10 is changed through the cooperation of the bolt 123 and the threaded tube 125.

[0031] Embodiment 2:

[0032] Reference Figure 1-9 A wire 14 is fixedly connected to the right side of the magnetic core tube 2, a through hole 15 is opened on the right side of the right end cover 3, the inner wall of the through hole 15 is bonded to the surface of the wire 14, and a reinforcement ring 16 is bonded to the surface of the wire 14 and the right side of the right end cover 3. The reinforcement ring 16 makes the wire 14 and the right end cover 3 more firmly fixed.

[0033] A second connecting block 17 is fixedly connected to the right side of the right end cover 3, and U-shaped spring pieces 18 are fixedly connected to the front and rear sides of the second connecting block 17. When the wire 14 is wound in the U-shaped spring piece 18, the elastic force of the U-shaped spring piece 18 can clamp the wire 14 and fix the wire 14 on the right end cover 3, so that the propulsion electromagnet has the function of fixing and storing the wire 14, making the propulsion electromagnet more convenient to carry.

[0034] In the utility model, when the coil 5 is energized, the magnetic core tube 2 attracts the armature 61 to move to the right and compresses the spring 63. At the same time, the distance between the slider 10 and the push rod 64 is reduced through the cooperation of the first bar hole 9, the second bar hole 13 and the U-shaped column 7. When the coil 5 is de-energized, the armature 61 is moved to the left through the compressed spring 63, and the distance between the slider 10 and the push rod 64 is increased through the cooperation of the first bar hole 9, the second bar hole 13 and the U-shaped column 7. At this time, the friction between the slider 10 and the rubber pad 11 releases the kinetic energy of the push rod 64 when it moves in the form of heat energy, thereby reducing the speed of the push rod 64 when it moves to the left and weakening the impact force between the armature 61 and the left end cover 4.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A propulsion electromagnet with high stability, comprising a housing (1), It is characterized in that The inner wall of the shell (1) is fixedly connected to a magnetic core tube (2), the right side of the shell (1) is fixedly connected to a right end cover (3), the left side of the shell (1) is fixedly connected to a left end cover (4), the surface of the magnetic core tube (2) is sleeved with a coil (5), the inner wall of the magnetic core tube (2) and the inner wall of the left end cover (4) are both slidably connected to an iron core assembly (6), the upper and lower sides of the iron core assembly (6) are both fixedly connected to U-shaped columns (7), the left side of the left end cover (4) is fixedly connected to a rectangular tube (8), and the front and rear sides of the rectangular tube (8) are both provided with A first strip hole (9) is provided, and sliders (10) are fitted on both the front and rear sides of the inner wall of the rectangular tube (8) and the left side of the left end cover (4), and a rubber pad (11) is fitted on the left side of the slider (10), and an adjustment bracket (12) is bonded to the left side of the rubber pad (11), and the right side of the adjustment bracket (12) is fixedly connected to the left side of the rectangular tube (8), and a second strip hole (13) is opened inside the slider (10), and the inner wall of the first strip hole (9) and the inner wall of the second strip hole (13) are both in contact with the surface of the U-shaped column (7).

2. A propulsion electromagnet with high stability according to claim 1, It is characterized in that The core assembly (6) comprises an armature (61), the surface of the armature (61) contacts the inner wall of the magnetic core tube (2), the right side of the armature (61) is fixedly connected to a guide column (62), the surface of the guide column (62) contacts the inner wall of the magnetic core tube (2), the right side of the armature (61) is fixedly connected to a spring (63), the right end of the spring (63) contacts the inner wall of the magnetic core tube (2), the left side of the armature (61) is fixedly connected to a push rod (64), the surface of the push rod (64) contacts the inner wall of the left end cover (4), the surface of the armature (61), the surface of the guide column (62) and the surface of the push rod (64) are all provided with a first air groove (65), the front and rear sides of the push rod (64) are fixedly connected to a first connecting block (66), and the upper and lower sides of the first connecting block (66) are fixedly connected to the surface of the U-shaped column (7).

3. A propulsion electromagnet with high stability according to claim 1, It is characterized in that The adjustment bracket (12) comprises a first vertical plate (121), the right side of the first vertical plate (121) is fixedly connected to the left side of the rectangular tube (8), a circular hole (122) is provided inside the first vertical plate (121), the inner wall of the circular hole (122) and the left side of the first vertical plate (121) are both fitted with bolts (123), the surface of the bolt (123) is fixedly connected to a limit ring (124), the left side of the limit ring (124) contacts the right side of the first vertical plate (121), the surface of the bolt (123) is threadedly connected to a threaded tube (125), the right side of the threaded tube (125) is fixedly connected to a second vertical plate (126), the right side of the second vertical plate (126) is bonded to the left side of the rubber pad (11), the surface of the second vertical plate (126) contacts the inner wall of the rectangular tube (8), and the second vertical plate (126) is provided with second air grooves (127) on both upper and lower sides.

4. A propulsion electromagnet with high stability according to claim 1, It is characterized in that The first strip-shaped hole (9) is parallel to the horizontal plane, and the angle between the second strip-shaped hole (13) and the horizontal plane is 30°.

5. A propulsion electromagnet with high stability according to claim 1, It is characterized in that The right side of the magnetic core tube (2) is fixedly connected with an electric wire (14), the right side of the right end cover (3) is provided with a through hole (15), the inner wall of the through hole (15) is bonded to the surface of the electric wire (14), and the surface of the electric wire (14) and the right side of the right end cover (3) are both bonded with a reinforcement ring (16).

6. A propulsion electromagnet with high stability according to claim 1, It is characterized in that A second connection block (17) is fixedly connected to the right side of the right end cover (3), and U-shaped spring pieces (18) are fixedly connected to both the front and rear sides of the second connection block (17).

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