CN221401438U

CN221401438U - Novel electromagnetic tooth clutch

Info

Publication number: CN221401438U
Application number: CN202323254867.3U
Authority: CN
Inventors: 陈权炜; 陈荣连
Original assignee: Lishui Huazhou Auto Parts Technology Co ltd
Current assignee: Lishui Huazhou Auto Parts Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-23
Anticipated expiration: 2033-11-30

Abstract

The utility model discloses a novel electromagnetic tooth clutch which comprises an input rotary table, wherein an input rotary shaft is fixed at the side end of the input rotary table, a first key groove is formed in the input rotary shaft, a movable disc is arranged on the input rotary table, a first tooth opening is formed in the side end of the movable disc, a guide groove is formed in the movable disc, a guide block is fixed on the input rotary table, a guide rod is mounted on the movable disc, a limiting block is arranged at the outer end of the guide rod, a compression spring is arranged between the limiting block and the input rotary table, a first bearing is arranged on the input rotary table, output rotary shafts are mounted at the inner rings of the two first bearings, a second key groove is formed in the output rotary shaft, a fixed disc is arranged on the fixed disc, an annular electromagnet is arranged on the fixed disc, a force transmission rotary table is arranged on the output rotary shaft, and a second tooth opening is formed in the side end of the force transmission rotary table. The utility model has smart and reasonable structural design, can avoid slipping, has large transmission torque and is worthy of popularization and application.

Description

Novel electromagnetic tooth clutch

Technical Field

The utility model relates to a clutch, in particular to a novel electromagnetic tooth clutch.

Background

The clutch is positioned in a flywheel shell between the engine and the gearbox, the clutch assembly is fixed on the rear plane of the flywheel by using screws, and the output shaft of the clutch is the input shaft of the gearbox. During operation of the vehicle, the driver may depress or release the clutch pedal as desired to temporarily disengage and progressively engage the engine with the transmission to cut off or transfer power input from the engine to the transmission.

Most of the existing clutches are driven by friction in the form of friction plates, and the driving mode has the great problems that the friction plates are easy to produce setbacks and skidding, the force transmission of an engine is delayed, the response speed of the friction plates is low, the setbacks and the shaking of a vehicle body are easy to be caused when the pedal is released by shifting, the smooth and stable driving of the vehicle is not easy to be realized, and the clutch with the friction plates is not suitable for working occasions with smooth force transmission.

Chinese patent No. 106195113A discloses a clutch mechanism and a clutch mechanism, the clutch mechanism comprising a friction disc defining a reference axis of the clutch mechanism; and a torsional vibration damper comprising at least one rotating member associated with and fixedly connected to the friction disc, a rotating member not associated with the friction disc and capable of rotational movement about a reference axis relative to the rotating member associated with the friction disc, and at least one spring arranged to operate when the rotating member not associated with the friction disc rotates about the reference axis relative to the rotating member associated with the friction disc, the friction disc not being in direct contact with the rotating member associated with the friction disc, the one or more spacers being interposed between the friction disc and the rotating member associated with the friction disc; the clutch compresses the friction disc through the spring, so that the response speed is low, the vehicle body is obvious in feel, and under the condition of high resistance working conditions, the friction disc is easy to slip, and smooth transmission of force is not facilitated.

Disclosure of utility model

The utility model aims to solve the defects of the prior art, and provides a novel electromagnetic tooth clutch with smooth force transmission, large torque and no slip, which meets the requirements of smooth driving, no slip and large force transmission torque.

The utility model solves the technical problems by adopting the technical scheme that: the novel electromagnetic tooth clutch comprises an input rotary table, wherein an input rotary shaft is fixed at the side end of the input rotary table, a group of first key grooves uniformly distributed along the center of the input rotary shaft are formed in the position of the input rotary shaft, a movable disc made of iron materials is inserted in the position of the input rotary table, a group of first tooth openings uniformly distributed along the center of the movable disc are formed in the side end of the movable disc, guide grooves are formed in the movable disc, a guide block matched with the guide grooves is fixed on the input rotary table, a group of guide rods uniformly distributed along the center of the movable disc are mounted on the movable disc, a limiting block is fixed at the outer end of the guide rods, a compression spring sleeved on the guide rods is mounted between the limiting block and the input rotary table, a pair of first bearings which are oppositely arranged are mounted on the input rotary table, an output rotary shaft is mounted at the inner ring of the two first bearings, a group of second key grooves uniformly distributed along the center of the output rotary shaft is formed in the position of the output rotary shaft, a fixed disc is mounted on the fixed disc, a pair of second bearings which are oppositely arranged are mounted on the inner ring parts of the fixed disc, a ring-shaped electromagnet is mounted on the fixed disc, and a group of second tooth openings which are uniformly distributed along the center of the side edge of the rotary table made of the iron materials. The input rotary table and the input rotary shaft have the function of transmitting power generated by a power source; the movable disc, the first tooth opening, the guide groove, the guide block, the guide rod, the limiting block and the compression springs have the functions that after the ring-shaped electromagnet is powered off, the first tooth opening can be separated from the second tooth opening through the compression springs, so that the clutch is separated; the guide groove and the guide block can enable the moving disc to move accurately in the axial direction; the fixed disc and the ring-shaped electromagnet have the function of generating magnetic force, so that the movable disc and the force transmission rotary disc are magnetized, and the movable disc is attracted to move towards the force transmission rotary disc side; the force transmission turntable has the function of transmitting force, so that the force transmitted by the power source can be separated or transmitted; the first bearing has the function of supporting and rotating the input rotary table, the input rotary shaft and the moving table; the second bearing has the function of supporting and rotating the transmission turntable and the output rotating shaft; the first key groove is used for installing an input power shaft; the second key groove is used for installing the output power shaft.

Further perfecting, the output rotating shaft is fixedly provided with a group of key blocks uniformly distributed along the center of the output rotating shaft, the force transmission rotating disc is provided with a group of circular arc grooves uniformly distributed along the center of the force transmission rotating disc, each key block is respectively matched with each circular arc groove, and each circular arc groove is provided with a buffer piece; the buffer piece comprises a guide arc rod concentric with the output rotating shaft, a first arc hole penetrating through the guide arc rod is formed in the key block, a limiting position block is fixed at the arc groove, a second arc hole penetrating through the guide arc rod is formed in the limiting position block, and a damping spring with the outer diameter smaller than that of the second arc hole is sleeved on the guide arc rod. The buffer piece has the function of avoiding the occurrence of tooth collision, so that each first tooth opening has enough time to be blocked into the second tooth opening, and the occurrence of tooth collision is avoided; the working principle of the buffer piece is that when the movable disc is magnetized by the ring-shaped electromagnet and is quickly closed towards the direction of the force transmission rotary disc, all first tooth openings in a high-speed rotation state touch the end face of the force transmission rotary disc, at the moment, all first tooth openings are not necessarily matched with the second tooth openings, so that all first tooth openings rotate, all first tooth openings move and are matched with all second tooth openings under the suction action of the ring-shaped electromagnet, at the moment, the force transmission rotary disc is driven to rotate for a small distance, so that a damping spring is compressed, when the movable disc completely drives the force transmission rotary disc to move, a key block rotates to push a limiting position block, so that an output rotary shaft is driven to rotate, power is output, the situation of tooth beating can be perfectly avoided, a clutch cannot slip, power can be output with large torque, equipment operation can be very stable, and the structure is very ingenious.

Further perfecting, the inner end sections of the first tooth mouth and the second tooth mouth are larger than the outer end sections of the first tooth mouth and the second tooth mouth. The inner end sections of the first tooth mouth and the second tooth mouth are larger than the outer end sections of the first tooth mouth and the second tooth mouth, so that the tooth mouths are conical up and down, the first tooth mouths are clamped into the second tooth mouth more easily, and tooth collision is avoided.

Further perfecting, the surfaces of the first tooth mouth and the second tooth mouth are provided with wear-resistant layers made of cobalt-based alloy materials. The wear-resistant layer has the effects of prolonging the service life of the clutch and avoiding the situations of abrasion, dent and damage of the tooth surface of the clutch.

The beneficial effects of the utility model are as follows:

1) The clutch runs smoothly, no setbacks and large torsion;

2) The service life is long, the separation or force transmission of the clutch is controlled by electromagnetic force, and the clutch is easy to use;

3) The occurrence of the tooth beating condition can be avoided through the buffer piece, so that the clutch is small in volume, low in running noise and long in service life.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is an enlarged partial view of area A of FIG. 3;

FIG. 5 is a schematic diagram of the structure of the present utility model;

FIG. 6 is a section B-B of FIG. 5;

FIG. 7 is a top view of a first tooth mouth region according to the present utility model;

Fig. 8 is a top view of a second tooth mouth region in the present utility model.

Reference numerals illustrate: the device comprises an input rotary table 1, an input rotary shaft 2, a first key groove 2-1, a movable disc 3, a first tooth opening 3-1, a guide groove 3-2, a guide rod 4, a limiting block 5, a compression spring 6, a first bearing 7, an output rotary shaft 8, a second key groove 8-1, a key block 8-2, a fixed disc 9, a second bearing 10, a ring-shaped electromagnet 11, a force transmission rotary table 12, a second tooth opening 12-1, an arc groove 12-2, a buffer piece 13, a guide arc rod 13-1, a first arc hole 13-2, a limiting position block 13-3, a second arc hole 13-4, a damping spring 13-5, an inner end a, an outer end b and a wear-resisting layer c.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

Referring to the drawings: the novel electromagnetic tooth clutch comprises an input rotary table 1, wherein an input rotary shaft 2 is fixed at the side end of the input rotary table 1, a group of first key grooves 2-1 uniformly distributed along the center of the input rotary shaft 2 are arranged at the position of the input rotary shaft 2, a movable disc 3 made of iron materials is inserted on the input rotary table 1, a group of first tooth openings 3-1 uniformly distributed along the center of the movable disc 3 are arranged at the side end of the movable disc 3, a guide groove 3-2 is formed in the movable disc 3, guide blocks 1-1 matched with the guide grooves 3-2 are fixed on the input rotary table 1, a group of guide rods 4 uniformly distributed along the center of the movable disc 3 are arranged on the movable disc 3, a limit block 5 is fixed at the outer end of the guide rods 4, a compression spring 6 sleeved on the guide rods 4 is arranged between the limit block 5 and the input rotary table 1, a pair of first bearings 7 oppositely arranged at the positions of the inner rings of the two first bearings 7, a group of second tooth openings 8-1 are arranged at the positions of the output rotary shafts 8, a group of guide blocks 9 are uniformly distributed along the center of the output rotary shafts 8, a group of second tooth openings 9 are arranged at the positions of the output rotary shafts 8, a group of permanent magnet 12 is arranged at the positions of the two side surfaces 12 is sleeved on the two rotary shafts 12, and a group of permanent magnet 12 is fixedly arranged at the positions of the two rotary shafts 12 are fixedly arranged at the positions of the two rotary shafts 12, and the two transmission rings 12 are fixedly arranged at the positions of the rotary shafts 12, and are fixedly arranged at the positions of the rotary shafts 12, and are fixedly connected with the transmission shafts 12; the output rotating shaft 8 is fixedly provided with a group of key blocks 8-2 uniformly distributed along the center of the output rotating shaft 8, the force transmission rotating disc 12 is provided with a group of circular arc grooves 12-2 uniformly distributed along the center of the force transmission rotating disc 12, each key block 8-2 is respectively matched with each circular arc groove 12-2, and each circular arc groove 12-2 is provided with a buffer part 13; the buffer part 13 comprises a guiding circular arc rod 13-1 concentric with the output rotating shaft 8, a first circular arc hole 13-2 penetrating through the guiding circular arc rod 13-1 is formed in the key block 8-2, a limiting position block 13-3 is fixed at the circular arc groove 12-2, a second circular arc hole 13-4 penetrating through the guiding circular arc rod 13-1 is formed in the limiting position block 13-3, and a damping spring 13-5 with the outer diameter smaller than that of the second circular arc hole 13-4 is sleeved on the guiding circular arc rod 13-1.

The inner end a section of the first tooth mouth 3-1 and the second tooth mouth 12-1 is larger than the outer end b section of the first tooth mouth 3-1 and the second tooth mouth 12-1.

The surfaces of the first tooth mouth 3-1 and the second tooth mouth 12-1 are respectively provided with a wear-resistant layer c made of cobalt-based alloy materials.

The working principle of the utility model is as follows: when the clutch is powered off, only the ring-shaped electromagnet 11 needs to be powered off, after the ring-shaped electromagnet 11 is powered off, the magnetic force disappears, the movable disc 3 moves outwards rapidly under the action of the elastic force of the compression spring 6, and the first tooth port 3-1 is separated from the second tooth port 12-1 rapidly, so that the separation operation of the clutch is completed;

When the clutch transmits power, only the ring electromagnet 11 is electrified, strong magnetic force is generated to magnetize the movable disc 3 and the force transmission rotary disc 12, so that the movable disc 3 is magnetized to generate magnetic force and is quickly closed towards the direction of the force transmission rotary disc 12 (at the moment, the movable disc 3 is in a rotary state), each first tooth opening 3-1 in a high-speed rotary state can touch the end face of the force transmission rotary disc 12, at the moment, each first tooth opening 3-1 is not necessarily matched with each second tooth opening 12-1, so that at the moment, each first tooth opening 3-1 rotates and presses towards the second tooth opening 12-1 (meanwhile, each compression spring 6 is compressed and stored energy), each first tooth opening 13-1 is matched with each second tooth opening 12-1, the force transmission rotary disc 12 is driven to rotate for a small distance while the movable rotary disc 3 rotates, so that the key block 8-2 compresses the damping spring 13-5, and after each first tooth opening 13-1 is completely clamped into each second tooth opening 12-1, the movable disc 3 completely drives the force transmission rotary disc 12, and the key block 8-2 rotates in a rotary position, so that the torque is not perfectly limited, and the clutch can be smoothly output, and the power can not be perfectly output, and the torque can be well smoothly output, and the torque can be well be realized; the clutch can output power in forward and reverse directions.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. The utility model provides a novel electromagnetic tooth clutch, includes input carousel (1), characterized by: the utility model discloses a rotary input disc, including input carousel (1) and output carousel (8), input carousel (1) is last to be fixed with input pivot (2) side, input pivot (2) department is provided with a set of first keyway (2-1) that set up along input pivot (2) center equipartition, peg graft on input carousel (1) have movable disc (3) that iron material made, the side of movable disc (3) is provided with a set of first tooth mouth (3-1), it has guiding groove (3-2) to open on movable disc (3), be fixed with on input carousel (1) with guiding groove (3-2) complex guide piece (1-1), install a set of guiding rod (4) on movable disc (3), the outer end of guiding rod (4) is fixed with stopper (5), be equipped with compression spring (6) of cup jointing on guiding rod (4) between stopper (5), install a pair of first bearing (7) that set up relatively on input carousel (1), two output carousel (7) department installs output (8), output carousel (8) are equipped with a set of fixed rotation axis (8) along the fixed rotation axis (8), a pair of oppositely arranged second bearings (10) are arranged on the fixed disc (9), the output rotating shafts (8) are sleeved at the inner rings of the two second bearings (10), ring-shaped electromagnets (11) are arranged on the fixed disc (9), a force transmission rotating disc (12) made of iron materials is arranged on the output rotating shafts (8), and a group of second tooth openings (12-1) are formed in the side ends of the force transmission rotating disc (12);

A group of key blocks (8-2) uniformly distributed along the center of the output rotating shaft (8) are fixed on the output rotating shaft (8), a group of circular arc grooves (12-2) uniformly distributed along the center of the force transmission rotating disc (12) are formed in the force transmission rotating disc (12), each key block (8-2) is matched with each circular arc groove (12-2), and a buffer piece (13) is arranged at each circular arc groove (12-2); the buffer piece (13) comprises a guide circular arc rod (13-1) concentric with the output rotating shaft (8), a first circular arc hole (13-2) penetrating through the guide circular arc rod (13-1) is formed in the key block (8-2), a limiting position block (13-3) fixed at the position of the force transmission rotary table (12) is arranged at the position of the circular arc groove (12-2), a second circular arc hole (13-4) penetrating through the guide circular arc rod (13-1) is formed in the limiting position block (13-3), and a damping spring (13-5) with the outer diameter smaller than the diameter of the second circular arc hole (13-4) is sleeved on the guide circular arc rod (13-1).

2. The novel electromagnetic tooth clutch as claimed in claim 1, wherein: the sections of the inner ends (a) of the first tooth mouth (3-1) and the second tooth mouth (12-1) are larger than the sections of the outer ends (b) of the first tooth mouth (3-1) and the second tooth mouth (12-1).

3. The novel electromagnetic tooth clutch as claimed in claim 1, wherein: the surfaces of the first tooth mouth (3-1) and the second tooth mouth (12-1) are respectively provided with a wear-resistant layer (c) made of cobalt-based alloy materials.