Tooth embedded type electromagnetic clutch

Abstract

The utility model discloses a tooth embedded type electromagnetic clutch, which belongs to the field of clutches and comprises a driving end face wheel and a driven end face wheel which are meshed with each other, a shell connected through a bolt is arranged on the outer side of the driving end face wheel and the outer side of the driven end face wheel, and an electromagnet is arranged on one side of the driving end face wheel of the shell. Compared with the prior art, the utility model has the advantages that when the pressure spring has non-elastic deformation due to long-time use, the pressure spring can be easily taken out for replacement only by screwing off the T-shaped sliding rod, and after replacement is completed, the T-shaped sliding rod is screwed into the screw hole in the top surface of the movable armature for fixation and attention, so that the pressure spring can be conveniently taken out. During replacement, all the lower T-shaped sliding rods cannot be detached at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the clutch field, concretely points to a tooth-embedded electromagnetic clutch. BACKGROUND

[0002] In the existing automobile industry, the clutch is an important component for replacing the vehicle speed, which plays a role in temporarily separating the transmission mechanism in the process of gear shifting. Compared with the traditional friction clutch, the tooth-embedded clutch has better transmission performance, greater torque and faster responsiveness, so it is widely used in various types of vehicles such as cars, trucks and motorcycles.

[0003] The existing tooth-embedded electromagnetic clutch is mainly composed of two mutually meshing driving end face wheels and driven end face wheels, and the electromagnetic iron on one side of the driving end face wheel and the movable armature on one side of the driven end face wheel are respectively installed in the inner part of the shell. The driven end face wheel and the movable armature move synchronously, and the movement of the movable armature is controlled by the electromagnetic iron. The meshing of the driven end face wheel is controlled by the magnetic force change of the electromagnetic iron, so as to complete the separation and closure of the clutch.

[0004] This clutch structure by the mutual meshing of the driving end face wheel and the driven end face wheel, in order to effectively control the displacement direction and the automatic reset characteristics of the movable armature, a reset structure is usually installed in the inner part of the shell, and a directional mechanism is arranged. These component mechanisms are usually installed in the inner part of the shell. In the long-term use of the clutch, the spring mechanism for resetting is difficult to avoid failure, and if you want to replace the structure, you need to completely disassemble the shell and replace it, which greatly affects the maintenance efficiency of the clutch. TECHNICAL CONTENT

[0005] The technical problem to be solved by the utility model is that the movable armature of the existing tooth-embedded electromagnetic clutch is difficult to quickly repair or replace when the reset mechanism fails.

[0006] In order to solve the above technical problems, the technical scheme provided by the utility model is as follows: a tooth-embedded electromagnetic clutch, which comprises mutually meshing driving end face wheels and driven end face wheels, the outer side of the driving end face wheels and the driven end face wheels is provided with a shell connected by bolts, and the side of the driving end face wheels of the shell is provided with an electromagnetic iron, the side of the driven end face wheels of the shell is provided with a movable armature which is mutually attracted with the electromagnetic iron, the side of the driven end face wheels of the shell is connected with the top surface of the movable armature through a plurality of T-shaped sliding rods, and a compression spring is sleeved on the thin column end rod surface of the T-shaped sliding rod.

[0007] As an improvement, the shell comprises an upper shell located on one side of the driving end face wheel and a lower shell located on one side of the driven end face wheel, and the electromagnetic iron penetrates the inner wall of the upper shell.

[0008] As improvement, the buffer gasket is arranged between the electromagnet and the movable armature to prevent magnetic force adhesion.

[0009] As improvement, the T-shaped sliding rod and the pressure spring pass through the lower shell, and the maximum elastic force of the pressure spring does not exceed the effective magnetic force range of the electromagnet, and the T-shaped sliding rod is connected with the movable armature through threads.

[0010] As improvement, the rubber plug is arranged in the T-shaped sliding rod through hole of the shell to seal and limit the displacement of the T-shaped sliding rod.

[0011] As improvement, the driving end face wheel and the driven end face wheel realize torque transmission through tooth side surface contact.

[0012] Compared with the prior art, when the pressure spring appears inelastic deformation due to long time use, only the T-shaped sliding rod is unscrewed, the pressure spring can be easily taken out for replacement, after replacement, the T-shaped sliding rod is screwed into the screw hole in the top surface of the movable armature for fixation, and it is noticed that all the lower T-shaped sliding rods cannot be unscrewed at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a total structure diagram of the tooth-embedded electromagnetic clutch.

[0014] Figure 2 is a total structure sectional view of the tooth-embedded electromagnetic clutch.

[0015] Figure 3 is an explosion view of the total structure of the tooth-embedded electromagnetic clutch.

[0016] Figure 4 is a T-shaped sliding rod structure diagram of the tooth-embedded electromagnetic clutch.

[0017] As shown in the drawings: 1, driving end face wheel; 2, driven end face wheel; 3, shell; 31, upper shell; 32, lower shell; 4, electromagnet; 41, buffer gasket; 5, movable armature; 6, T-shaped sliding rod; 61, rubber plug; 7, pressure spring. DETAILED DESCRIPTION

[0018] The utility model makes further detailed description in combination with the drawings.

[0019] As shown in the drawings: Figure 1 , 2The end face gear transmission device shown in the figure 1, 2, 3, 4 comprises the mutually meshed driving end face gear 1 and driven end face gear 2, the outer side of the driving end face gear 1 and driven end face gear 2 is provided with the shell 3 connected by bolts, and the driving end face gear 1 side of the shell 3 is provided with the electromagnet 4, the shell 3 comprises the upper shell 31 on the driving end face gear 1 side and lower shell 32 on the driven end face gear 2 side, and the electromagnet 4 penetrates the inner wall of the upper shell 31, the driven end face gear 2 side of the shell 3 is provided with the movable armature 5 mutually attracted with the electromagnet 4, the shaft of the driving end face gear 1 is connected with the internal through hole of the upper shell 31 through the bearing, and the electromagnet 4 is sleeved in the electromagnet 4 fixing groove in the inner part of the upper shell 31, and the wire of the electromagnet 4 penetrates the wire hole in the side wall of the upper shell 31, wherein the electromagnet 4 is sleeved on the periphery of the driving end face gear 1, and the two do not contact each other.

[0020] The shaft of the driven end face gear 2 is clamped in the center through hole of the movable armature 5 using the bearing, and the shaft of the driven end face gear 2 penetrates the center through hole of the lower shell 32, and the sliding washer is installed between the center through hole of the lower shell 32 and the shaft of the driven end face gear 2, so as to ensure the stability of the shaft of the driven end face gear 2.

[0021] The driven end face gear 2 side of the shell 3 is connected with the top surface of the movable armature 5 through several T-shaped sliding rods 6, and the thin column end rod surface of the T-shaped sliding rod 6 is sleeved with the pressure spring 7, the T-shaped sliding rod 6 and the pressure spring 7 penetrate the lower shell 32, and the maximum elastic force of the pressure spring 7 does not exceed the effective magnetic force range of the electromagnet 4, the T-shaped sliding rod 7 and the movable armature 5 are connected through threads, the internal through hole of the T-shaped sliding rod 6 of the shell 3 is provided with the rubber plug 61 sealing and limiting the displacement of the T-shaped sliding rod 6, the driving end face gear 1 and the driven end face gear 2 realize torque transmission through the tooth side surface contact, rotate the movable armature 5, so that the screw hole of the movable armature 5 is aligned with the through hole above the lower shell 32, the through hole above the lower shell 32 is a counterbore, and the rod surface of the T-shaped sliding rod 6 is equivalent to the bottom hole of the counterbore, so as to play a role in fixing the position; after the pressure spring 7 is sleeved on the T-shaped sliding rod 6, it penetrates the through hole above the lower shell 32, and is screwed into the screw hole above the movable armature 5, and the rubber plug 61 is inserted into the through hole of the counterbore, which prevents the T-shaped sliding rod 6 from popping out while ensuring the sealing of the shell 3.

[0022] The buffer gasket 41 is provided between the electromagnet 4 and the movable armature 5 to prevent magnetic force adhesion, the buffer gasket 41 is pasted on the upper surface of the electromagnet 4, and the movable armature 5 is buckled on the buffer gasket 41, the pin through hole of the side surface of the upper shell 31 and the lower shell 32 is aligned, and then the bolt set is screwed in for fixation, after the buffer gasket 41 is extruded, it prevents the movable armature 5 from contacting the electromagnet 4, and effectively prevents the tooth root of the driving end face gear 1 and the tooth top of the driven end face gear 2 from contacting, so that the two only realize torque transmission through the tooth side surface contact.

[0023] The utility model discloses in the specific implementation, the axle stem of driving end face wheel 1 is connected on the engine, the axle stem of driven end face wheel 2 is connected on driven assembly, when electromagnet 4 is electrified, through the effect of electromagnetic induction, make movable armature 5 be attracted, press tightly on buffer washer 41, simultaneously driving end face wheel 1 and driven end face wheel 2 engage, make driven assembly with engine synchronous rotation, contrary, when electromagnet 4 is power failure, movable armature 5 is away from electromagnet 4 under the action of pressure spring 7, simultaneously driving end face wheel 1 and driven end face wheel 2 separate, make driven assembly stop rotation.

[0024] The above describes the utility model and its implementation mode, and this kind of description has no limit, and the embodiment shown in the drawing is only one of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled person in the art is inspired, without departing from the utility model creation tenet, does not create the structure mode and the embodiment similar to this technical scheme without the creative design, should belong to the protection scope of the utility model.

Claims

1. A cogged electromagnetic clutch, comprising a driving end face wheel (1) and a driven end face wheel (2) which are mutually engaged, the outer side of the driving end face wheel (1) and the driven end face wheel (2) is provided with a shell (3) which is connected by bolts, and the driving end face wheel (1) side of the shell (3) is provided with an electromagnet (4), and the driven end face wheel (2) side of the shell (3) is provided with a movable armature (5) which is mutually attracted with the electromagnet (4), characterized in that: The driven end face wheel (2) side of the shell (3) is connected with the top surface of the movable armature (5) through several T-shaped sliding rods (6), and the thin column end rod surface of the T-shaped sliding rod (6) is sleeved with a pressure spring (7).

2. A toothed electromagnetic clutch according to claim 1, characterized in that: The shell (3) comprises an upper shell (31) located at the driven end face wheel (2) side and a lower shell (32) located at the driven end face wheel (2) side, and the electromagnet (4) penetrates the inner wall of the upper shell (31).

3. A toothed electromagnetic clutch according to claim 1, characterized in that: The electromagnet (4) and the movable armature (5) are provided with a buffer gasket (41) for preventing magnetic force adhesion.

4. A cogged electromagnetic clutch according to claim 1, wherein: The T-shaped sliding rod (6) and the pressure spring (7) penetrate the lower shell (32), the maximum elastic force of the pressure spring (7) does not exceed the effective magnetic force range of the electromagnet (4), and the T-shaped sliding rod (7) is connected with the movable armature (5) through threads.

5. A cogged electromagnetic clutch according to claim 4, wherein: The T-shaped sliding rod (6) through hole of the shell (3) is internally provided with a rubber plug (61) for sealing and limiting the displacement of the T-shaped sliding rod (6).

6. A cogged electromagnetic clutch according to claim 1, wherein: The driving end face wheel (1) and the driven end face wheel (2) realize torque transmission through tooth side surface contact.

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