Embedded electromagnetic clutch

Abstract

The utility model belongs to the technical field of electromagnetic clutches, and discloses an embedded electromagnetic clutch which comprises an installation sleeve and a plurality of screws, an installation cavity is formed in the inner wall of the installation sleeve, a limiting disc is connected to the inner wall of the installation cavity in a sliding mode, an abutting rod is fixedly connected to the end of the limiting disc, and a spring is arranged on the outer wall of the abutting rod in a sleeved mode. A through hole is formed in the top of the mounting sleeve, the end of the abutting rod penetrates through the mounting sleeve and extends into the through hole, the two ends of the spring are fixedly connected with the mounting sleeve and the limiting disc respectively, rotatable balls are embedded in the end of the abutting rod, clamping grooves are formed in the outer walls of the multiple screws, and the abutting rod is matched with the inner walls of the clamping grooves in a clamped mode. According to the electromagnetic clutch, the mounting firmness of the electromagnetic clutch can be improved through a thread fixing mode, meanwhile, the screw can be limited through a butting rod clamping mode, the screw is prevented from loosening after being mounted, and the mounting stability and safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic clutches, and more specifically to an embedded electromagnetic clutch. Background Art

[0002] The electromagnetic clutch is a friction clutch that generates a clamping force by electromagnetic force. It uses the principle of electromagnetic induction and the friction between the inner and outer friction plates to enable the two rotating parts in the mechanical transmission system to be connected or separated from the driven part without stopping the active part. Therefore, the electromagnetic clutch is an automatic electrical appliance that can be controlled from a distance, has low control energy, is easy to realize machine tool automation, and has fast action and simple structure.

[0003] In the existing technology, such as the document with publication number CN219282282U, an embedded electromagnetic clutch is disclosed. In this document, a plurality of wedge plates are provided to achieve rapid installation of the clutch body, and the cooperation of the annular plate and the first magnetic plate drives the plurality of wedge plates to move inward, so as to facilitate rapid disassembly of the clutch body. However, the wedge plates are prone to loosening when used for a long time or subjected to external forces, and the connection strength is relatively low, which will affect the stability and safety of the installation. For this reason, we propose an embedded electromagnetic clutch. Utility Model Content

[0004] The utility model provides an embedded electromagnetic clutch, which can improve the firmness of the electromagnetic clutch installation by threaded fixing, and can limit the screw rod to avoid loosening of the screw rod after installation, thereby improving the stability and safety of the installation.

[0005] The utility model proposes an embedded electromagnetic clutch, including a mounting sleeve and multiple screw rods, wherein the inner wall of the mounting sleeve is provided with a mounting cavity, the inner wall of the mounting cavity is slidably connected to a limit plate, the end of the limit plate is fixedly connected to a push rod, the outer wall of the push rod is provided with a spring, the top of the mounting sleeve is provided with a through hole, the end of the push rod passes through the mounting sleeve and extends to the inside of the through hole, the two ends of the spring are respectively fixedly connected to the mounting sleeve and the limit plate, a rotatable ball is embedded in the end of the push rod, the outer walls of the multiple screw rods are provided with a slot, and the push rod is snap-fitted with the inner wall of the slot.

[0006] Preferably, an electromagnetic clutch is also included, wherein the outer wall of the electromagnetic clutch is symmetrically structured and fixedly connected with a plurality of connecting ear plates, the tops of the plurality of connecting ear plates are provided with mounting holes, and the ends of the plurality of screw rods are provided with mounting holes and extend to the bottom thereof.

[0007] Preferably, a nut is fixedly connected to the top of each of the plurality of screw rods, and an extrusion head is fixedly connected to the bottom of each of the plurality of screw rods, and the extrusion head is a truncated cone-shaped structure.

[0008] Preferably, the inner walls of the plurality of mounting holes are each provided with a mounting groove, the inner walls of the mounting groove are provided with a connecting hole, and the mounting sleeve is fixedly connected to the inner walls of the mounting groove.

[0009] Preferably, the inner wall of the installation cavity is symmetrically structured and has two limit grooves, the inner walls of the two limit grooves are both slidably connected to limit blocks, and the ends of the two limit blocks are respectively fixedly connected to the limit plates.

[0010] Preferably, the end of the limit plate is fixedly connected to a fixing plate, the inner wall of the fixing plate is slidably connected to a connecting rod, the end of the connecting rod is fixedly connected to a limiting sleeve, a reserved hole is opened on the inner wall of the installation cavity, the end of the connecting rod passes through the reserved hole and extends to its outside, the end of the connecting rod passes through the connecting hole and is slidably connected to it, and the end of the connecting rod is fixedly connected to a knob.

[0011] The beneficial effects of the present invention are:

[0012] 1. In the utility model, a plurality of screw rods are inserted into the mounting holes on the connecting ear plate, and the screw rods are threadedly connected to the connecting parts. The extrusion head at the bottom of the screw rods can squeeze the ball, so that the push rod shrinks into the mounting cavity. When the bottom of the nut contacts the top of the connecting ear plate, the push rod can be inserted into the slot under the elastic force of the spring, thereby fixing the screw rod. The firmness of the electromagnetic clutch installation can be improved by threaded fixing. At the same time, the screw rod can be limited by the clamping method of the push rod to prevent the screw rod from loosening after installation, thereby improving the stability and safety of the installation.

[0013] 2. In the present invention, a ball bearing is installed at the end of the push rod, which can reduce the friction between the screw rod and the push rod, thereby facilitating the installation of the electromagnetic clutch. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the connecting ear plate of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the installation sleeve of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the screw rod of the utility model;

[0018] Figure 5 It is a schematic diagram of the installation structure of the support rod of the utility model.

[0019] In the figure: 1. electromagnetic clutch; 2. connecting ear plate; 3. mounting hole; 4. mounting slot; 5. connecting hole; 6. screw rod; 7. nut; 8. slot; 9. extrusion head; 10. mounting sleeve; 11. through hole; 12. mounting cavity; 13. reserved hole; 14. push rod; 15. ball; 16. spring; 17. limit plate; 18. limit block; 19. limit slot; 20. fixing plate; 21. connecting rod; 22. limit sleeve; 23. knob. 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] like Figure 1 , Figure 4 and Figure 5 As shown, an embedded electromagnetic clutch includes a mounting sleeve 10 and a plurality of screw rods 6. The inner wall of the mounting sleeve 10 is provided with a mounting cavity 12. The inner wall of the mounting cavity 12 is slidably connected to a limit plate 17. The end of the limit plate 17 is fixedly connected to a push rod 14. The outer wall of the push rod 14 is sleeved with a spring 16. A through hole 11 is provided at the top of the mounting sleeve 10. The end of the push rod 14 passes through the mounting sleeve 10 and extends to the inside of the through hole 11. The two ends of the spring 16 are respectively fixedly connected to the mounting sleeve 10 and the limit plate 17. A rotatable ball 15 is embedded in the end of the push rod 14. The outer walls of the plurality of screw rods 6 are provided with a card slot 8. The push rod 14 is card-engaged with the inner wall of the card slot 8. By card slotting the plurality of screw rods 6, the push rod 14 is card-engaged with the inner wall of the card slot 8. 6 is inserted into the mounting hole 3 on the connecting ear plate 2, and is threadedly connected to the connecting component through the screw 6. The extrusion head 9 at the bottom of the screw 6 can squeeze the ball 15, so that the push rod 14 shrinks into the mounting cavity 12. When the bottom of the nut 7 contacts the top of the connecting ear plate 2, under the elastic force of the spring 16, the push rod 14 can be inserted into the slot 8 to fix the screw 6. The threaded fixing method can improve the firmness of the installation of the electromagnetic clutch 1. At the same time, the screw 6 can be limited by the clamping method of the push rod 14 to prevent the screw 6 from loosening after installation, thereby improving the stability and safety of the installation.

[0022] like Figure 1 , Figure 2 and Figure 4As shown, it also includes an electromagnetic clutch 1, the outer wall of the electromagnetic clutch 1 is symmetrically structured and fixedly connected with multiple connecting ear plates 2, the tops of the multiple connecting ear plates 2 are all provided with mounting holes 3, the ends of the multiple screw rods 6 are all provided with the mounting holes 3 and extend to the bottom thereof, the tops of the multiple screw rods 6 are all fixedly connected with nuts 7, the bottoms of the multiple screw rods 6 are all fixedly connected with extrusion heads 9, the extrusion heads 9 are truncated cone-shaped structures, the inner walls of the multiple mounting holes 3 are all provided with mounting grooves 4, the inner walls of the mounting grooves 4 are provided with connecting holes 5, and the mounting sleeves 10 are fixedly connected to the inner walls of the mounting grooves 4.

[0023] like Figure 5 As shown, the inner wall of the installation cavity 12 is symmetrically structured and has two limit grooves 19, the inner walls of the two limit grooves 19 are slidably connected to the limit blocks 18, the ends of the two limit blocks 18 are respectively fixedly connected to the limit disks 17, the ends of the limit disks 17 are fixedly connected to the fixing plates 20, the inner wall of the fixing plate 20 is slidably connected to the connecting rod 21, the end of the connecting rod 21 is fixedly connected to the limit sleeve 22, the inner wall of the installation cavity 12 is provided with a reserved hole 13, the end of the connecting rod 21 passes through the reserved hole 13 and extends to the outside thereof, the end of the connecting rod 21 passes through the connecting hole 5 and is slidably connected thereto, and the end of the connecting rod 21 is fixedly connected to the knob 23.

[0024] Working principle: During installation, multiple screws 6 are inserted into the mounting holes 3 on the connecting ear plate 2, and the screws 6 are threadedly connected to the connecting components. The extrusion head 9 at the bottom of the screw 6 can squeeze the ball 15, so that the push rod 14 shrinks into the mounting cavity 12. When the bottom of the nut 7 contacts the top of the connecting ear plate 2, the push rod 14 can be inserted into the slot 8 under the elastic force of the spring 16, thereby fixing the screw 6;

[0025] During disassembly, the knob 23 is pulled outward to drive the connecting rod 21 to move, the connecting rod 21 pulls the fixed plate 20 to move through the limit sleeve 22, and the limit plate 17 is pulled to move through the fixed plate 20. The limit plate 17 drives the limit block 18 to slide along the inside of the limit groove 19, so that the push rod 14 is moved out of the slot 8, and then the electromagnetic clutch 1 can be disassembled by rotating the screw 6.

[0026] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0027] 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 these 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. An embedded electromagnetic clutch, comprising a mounting sleeve (10) and a plurality of screw rods (6), characterized in that: The inner wall of the mounting sleeve (10) is provided with a mounting cavity (12), the inner wall of the mounting cavity (12) is slidably connected to a limiting plate (17), the end of the limiting plate (17) is fixedly connected to a push rod (14), the outer wall of the push rod (14) is sleeved with a spring (16), the top of the mounting sleeve (10) is provided with a through hole (11), the end of the push rod (14) passes through the mounting sleeve (10) and extends to the inside of the through hole (11), the two ends of the spring (16) are respectively fixedly connected to the mounting sleeve (10) and the limiting plate (17), the end of the push rod (14) is embedded with a rotatable ball (15), the outer walls of the plurality of screw rods (6) are provided with a slot (8), and the push rod (14) is snap-fitted with the inner wall of the slot (8).

2. The embedded electromagnetic clutch according to claim 1, characterized in that: It also comprises an electromagnetic clutch (1), wherein the outer wall of the electromagnetic clutch (1) is symmetrically structured and fixedly connected with a plurality of connecting ear plates (2), the tops of the plurality of connecting ear plates (2) are all provided with mounting holes (3), and the ends of the plurality of screw rods (6) are all provided with mounting holes (3) and extend to the bottom thereof.

3. The embedded electromagnetic clutch according to claim 2 is characterized in that: The tops of the plurality of screw rods (6) are all fixedly connected with nuts (7), and the bottoms of the plurality of screw rods (6) are all fixedly connected with extrusion heads (9).

4. The embedded electromagnetic clutch according to claim 3 is characterized in that: The extrusion head (9) is a truncated cone-shaped structure.

5. The embedded electromagnetic clutch according to claim 3 is characterized in that: The inner walls of the plurality of mounting holes (3) are each provided with a mounting groove (4), the inner walls of the mounting groove (4) are provided with a connecting hole (5), and the mounting sleeve (10) is fixedly connected to the inner wall of the mounting groove (4).

6. The embedded electromagnetic clutch according to claim 1, characterized in that: The inner wall of the installation cavity (12) is symmetrically structured and has two limit grooves (19). The inner walls of the two limit grooves (19) are both slidably connected to limit blocks (18), and the ends of the two limit blocks (18) are respectively fixedly connected to the limit plates (17).

7. The embedded electromagnetic clutch according to claim 6, characterized in that: The end of the limit plate (17) is fixedly connected to a fixing plate (20), the inner wall of the fixing plate (20) is slidably connected to a connecting rod (21), the end of the connecting rod (21) is fixedly connected to a limiting sleeve (22), the inner wall of the installation cavity (12) is provided with a reserved hole (13), the end of the connecting rod (21) passes through the reserved hole (13) and extends to the outside thereof, the end of the connecting rod (21) passes through the connecting hole (5) and is slidably connected thereto, and the end of the connecting rod (21) is fixedly connected to a knob (23).

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