Tooth type power-off clutch

Abstract

The utility model discloses a tooth type power-off clutch, which relates to the field of clutches, and comprises a wire seat, four positioning bolts are in threaded connection with the interior of the wire seat, a first bearing is arranged in the wire seat, the outer wall of the first bearing is connected with a spring fixing seat, a bearing sleeve penetrates through the interior of the first bearing, and the spring fixing seat is connected with the outer wall of the first bearing. The outer wall of the bearing sleeve is located at the top of the spring fixing seat and is connected with a clutch disc; a plurality of first teeth are fixedly mounted at the top of the clutch disc, and the outer walls of the first teeth are wrapped with first protective pads. According to the gear type power-off clutch, the clutch disc and the output flange are arranged, the gear type power-off clutch can achieve the clutch function, a first protection pad, a second protection pad and a bearing sleeve are arranged, the gear type power-off clutch can be protected, a clamping rod and a strong spring are arranged, and the position of the clutch disc can be adjusted; the stability of the tooth-type power-off clutch is further improved, and the tooth-type power-off clutch is suitable for different working conditions and requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of clutches, in particular to a gear-type power-off clutch. Background Art

[0002] It is a transmission device with high precision, high efficiency and reliability, and is widely used in automobile transmission systems, aerospace equipment, medical equipment, etc. Existing gear-type power-off clutches are generally simple in design and may lack sufficient adjustment space and redundant design, which can easily affect the clutch function under complex working conditions.

[0003] To overcome the above-mentioned drawbacks, the prior art (application number: 201610185147.1, Chinese patent application date: March 29, 2016) discloses an electromagnetic clutch. When the electromagnetic clutch is energized, it attracts the pulley and drives the clutch sleeve to move toward the pulley. When the power is cut off, the clutch sleeve automatically resets under the action of a spring. The structure of the present invention is more compact and easier to control.

[0004] Although the existing technology can solve the problem of the clutch effect of the electromagnetic clutch, the cooperation between the clutch sleeve and the pulley in the electromagnetic clutch depends on the accuracy and wear resistance of the clutch spline and the clutch groove. If the cooperation accuracy is not high enough or wear occurs during use, it may cause the clutch to jam, make abnormal noises or have unstable transmission when engaging or disengaging, thereby achieving poor clutch effect, and being unable to adjust the position of the clutch plate, which reduces the stability of the electromagnetic clutch and cannot adapt to different working conditions and requirements.

[0005] Therefore, we have proposed that the tooth-type power-off clutch can solve the above problems well. Utility Model Content

[0006] The purpose of the present utility model is to provide a tooth-type power-off clutch to solve the problem raised in the above-mentioned background technology that the current electromagnetic clutch is in use, but the cooperation between the clutch sleeve and the pulley in the electromagnetic clutch depends on the accuracy and wear resistance of the clutch spline and the clutch groove. If the cooperation accuracy is not high enough or wear occurs during use, it may cause the clutch to jam, make abnormal noise or have unstable transmission when engaging or disengaging, thereby achieving poor clutch effect, and being unable to adjust the position of the clutch disc, thereby reducing the stability of the electromagnetic clutch and being unable to adapt to different working conditions and requirements.

[0007] To achieve the above object, the utility model provides the following technical scheme: a gear type power-off clutch, including the wire seat, the inside screw thread connection of wire seat has four location bolts, the inside of wire seat is provided with first bearing, the outer wall of first bearing is connected with spring fixed seat, the inside of first bearing runs through bearing bush, the outer wall of bearing bush is located spring fixed seat top and is connected with the clutch disc, the outer wall of bearing bush is provided with second bearing, the outer wall of bearing bush is located second bearing top and is connected with output flange, the top of clutch disc is fixed and is installed with a plurality of first teeth, the outer wall of first teeth is wrapped with first protective pad, the inside of clutch disc is provided with sensor body, the bottom of output flange is fixed and is installed with a plurality of second teeth, the outer wall of second teeth is wrapped with second protective pad, the top of output flange is fixed and is installed with four fixed cylinders.

[0008] As the preferred technical scheme of the application, the inside of the fixed cylinder is movably connected with a moving plate, the bottom of the moving plate is fixedly installed with a clamping rod, the end of the clamping rod penetrates the clutch disc, the top of the moving plate is fixedly connected with a telescopic rod, the outer wall of the telescopic rod is sleeved with a strong spring, the top of the telescopic rod is fixedly connected with a handle, the inside of the handle is threadedly connected with a fastening bolt.

[0009] As the preferred technical scheme of the application, the wire seat and the clutch disc are matched with each other, the inside of the wire seat is provided with a coil, and the coil is energized with the outside world. When the clutch body in the clutch disc generates electricity, the coil in the wire seat generates magnetic force, attracting the clutch disc to move downward. At this time, the first teeth on the clutch disc and the second teeth on the output flange are separated.

[0010] As the preferred technical scheme of the application, the clutch disc and the output flange are movably connected, the first teeth are tightly attached to the clutch disc and the first protective pad, and the first protective pad and the second protective pad are both made of rubber. By means of the telescopic spring in the spring fixed seat being in an uncompressed state, the clutch disc is lifted upward, so that the first teeth on the clutch disc and the second teeth on the output flange are engaged.

[0011] As the preferred technical scheme of the application, the spring fixed seat and the clutch disc are movably connected, the inside of the spring fixed seat is provided with a plurality of telescopic springs, and the telescopic spring in the spring fixed seat is in an uncompressed state. By means of the telescopic spring in the spring fixed seat being in an uncompressed state, the clutch disc is lifted upward, so that the first teeth on the clutch disc and the second teeth on the output flange are engaged.

[0012] As the preferred technical scheme of the application, the moving plate and the fixed cylinder are movably connected, and the moving plate and the clamping rod and the telescopic rod are fixedly connected. By holding the handle and pulling it upward, the telescopic rod drives the moving plate to move upward in the fixed cylinder.

[0013] As the preferred technical solution of this application, the clamping rod and the clutch disk are engaged and movably connected, and four clamping slots are provided inside the clutch disk. The clamping rod will be disengaged from the clamping slots of the clutch disk by moving the movable plate, and the position of the clutch disk is no longer fixed.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The gear-type power-off clutch is provided with a clutch plate and an output flange to enable the gear-type power-off clutch to realize a clutch function. A first protective pad, a second protective pad, and a bearing sleeve are provided to protect the gear-type power-off clutch. A clamping rod and a strong spring are provided to adjust the position of the clutch plate, which not only further increases the stability of the gear-type power-off clutch but also adapts to different working conditions and requirements. The specific contents are shown below:

[0016] 1. A clutch disc and an output flange are provided. The clutch disc, the clutch body, the wire seat, the spring fixing seat, the telescopic spring, the first tooth, the output flange and the second tooth cooperate with each other, so that the gear-type power-off clutch can realize the clutch function.

[0017] Furthermore, a first protective pad, a second protective pad and a bearing sleeve are provided, and the first teeth, the second teeth, the first protective pad, the second protective pad, the bearing sleeve, the first bearing and the second bearing cooperate with each other to protect the gear-type power-off clutch.

[0018] 2. A clamping rod and a strong spring are provided. The position of the clutch disc is adjusted by the cooperation of the movable plate, the fixed cylinder, the strong spring, the clamping rod, the clutch disc, the clamping slot, the handle, the telescopic rod and the fixing bolt. This not only further increases the stability of the gear-type power-off clutch, but also adapts to different working conditions and requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main exploded structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the partial structure of the output flange of the utility model;

[0022] Figure 4 This is a schematic diagram of the partial cross-sectional structure of the fixed cylinder of the utility model;

[0023] Figure 5 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0024] Figure 6 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0025] In the figure: 1. Wire seat; 2. Clutch plate; 3. First tooth; 4. First protective pad; 5. Sensor body; 6. First bearing; 7. Spring fixing seat; 8. Bearing sleeve; 9. Second bearing; 10. Output flange; 11. Second tooth; 12. Second protective pad; 13. Positioning bolt; 14. Fixing cylinder; 15. Moving plate; 16. Clamping rod; 17. Telescopic rod; 18. Power spring; 19. Handle; 20. Fastening bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1-6 , the utility model provides the following technical solutions:

[0028] Example 1: In order to solve the problem that the electromagnetic clutch on the market is in use, the coordination between the clutch sleeve and the pulley in the electromagnetic clutch depends on the precision and wear resistance of the clutch spline and the clutch groove. If the coordination precision is not high enough or wear occurs during use, it may cause the clutch to jam, make abnormal noise or have unstable transmission when engaging or disengaging, thereby achieving poor clutch effect. Figure 1 -Attached Figure 3 and attached Figure 5 -Attached Figure 6, including a wire seat 1, the internal threaded connection of the wire seat 1 is connected to four positioning bolts 13, the wire seat 1 is provided with a first bearing 6 inside, the outer wall of the first bearing 6 is connected to a spring fixing seat 7, the interior of the first bearing 6 is penetrated by a bearing sleeve 8, the outer wall of the bearing sleeve 8 is located at the top of the spring fixing seat 7 and is connected to the clutch disc 2, the outer wall of the bearing sleeve 8 is provided with a second bearing 9, the outer wall of the bearing sleeve 8 is located at the top of the second bearing 9 and is connected to the output flange 10; a plurality of first teeth 3 are fixedly installed on the top of the clutch disc 2, the outer wall of the first teeth 3 is wrapped with a first protective pad 4, and the clutch disc 2 is provided with a sensor body 5; a plurality of second teeth 11 are fixedly installed on the bottom of the output flange 10, the outer wall of the second teeth 11 is wrapped with a second protective pad 12, and four fixing cylinders 14 are fixedly installed on the top of the output flange 10. The wire seat 1 and the clutch disc 2 are matched with each other, and a coil is provided inside the wire seat 1, and the coil is energized to the outside. The clutch disc 2 is flexibly connected to the output flange 10. The first teeth 3 are tightly fitted to both the clutch disc 2 and the first protective pad 4. Both the first protective pad 4 and the second protective pad 12 are made of rubber. The spring retainer 7 is flexibly connected to the clutch disc 2 and contains several expansion springs.

[0029] The clutch body is arranged in the clutch disc 2. When the clutch body is not energized, the coil arranged in the wire seat 1 does not generate magnetic force. At this time, the telescopic spring arranged in the spring fixing seat 7 is in an uncompressed state, which lifts the clutch disc 2 upward, so that the first teeth 3 on the clutch disc 2 are engaged with the second teeth 11 on the output flange 10, and the clutch is in a coupled state; when the clutch body arranged in the clutch disc 2 generates electricity, the coil inside the wire seat 1 generates magnetic force, which attracts the clutch disc 2 to move downward. At this time, the first teeth 3 on the clutch disc 2 are separated from the second teeth 11 on the output flange 10, and the clutch is in a disengaged state. At the same time, the telescopic spring inside the spring fixing seat 7 is compressed. When the clutch disc 2 When the clutch body provided therein is powered off, the magnetic force of the coil disappears, the telescopic spring inside the spring fixing seat 7 returns to its original shape, and the clutch disc 2 is lifted upward, so that the first teeth 3 on the clutch disc 2 and the second teeth 11 on the output flange 10 are engaged again, and the clutch returns to the engaged state, so that the gear-type power-off clutch can realize the clutch function; the first protective pad 4 and the second protective pad 12 connected to the first teeth 3 and the second teeth 11 are made of rubber, which can reduce the wear and impact between the teeth and play a protective and buffering role. At the same time, the outer walls of the bearing sleeve 8 are respectively located on the top of the first bearing 6 and the second bearing 9, which play a role of supporting and reducing friction, thereby protecting the gear-type power-off clutch.

[0030] Example 2: The position of the clutch disc 2 can be adjusted, please refer to the attached Figure 1 and attached Figure 4A movable plate 15 is movably connected to the interior of the fixed cylinder 14. A clamping rod 16 is fixedly mounted at the bottom of the movable plate 15, and the end of the clamping rod 16 extends through the clutch disc 2. A telescopic rod 17 is fixedly connected to the top of the movable plate 15. A strong spring 18 is sheathed on the outer wall of the telescopic rod 17. A handle 19 is fixedly connected to the top of the telescopic rod 17, and a fastening bolt 20 is threadedly connected to the inner thread of the handle 19. The movable plate 15 is movably connected to the fixed cylinder 14, while the movable plate 15, clamping rod 16, and telescopic rod 17 are fixedly connected. The clamping rod 16 is movably connected to the clutch disc 2, and the clutch disc 2 has four clamping slots formed inside.

[0031] Before any operation is performed, the movable plate 15 is located inside the fixed cylinder 14 and is pushed by the strong spring 18, so that the end of the clamping rod 16 passes through the clutch disc 2 and is clamped into the clamping groove inside it, thereby fixing the position of the clutch disc 2. The handle 19 is fixedly connected to the movable plate 15 by the telescopic rod 17 and can be locked by the fastening bolt 20 to prevent the handle 19 from being moved without permission, ensuring that the clutch disc 2 remains in a fixed position when not being operated, thereby increasing the stability of the clutch body set in the clutch disc 2. When it is necessary to adjust the position of the clutch disc 2 or perform other related operations, first loosen the fastening bolt 20 to release the handle 19 is locked, then, hold the handle 19 and pull it upward, so that the telescopic rod 17 drives the movable plate 15 to move upward inside the fixed cylinder 14, so that the movement of the movable plate 15 will cause the clamping rod 16 to disengage from the clamping slot of the clutch disc 2. At this time, the position of the clutch disc 2 is no longer fixed, and corresponding adjustments or operations can be performed. After completing the operation, release the handle 19, and under the thrust of the strong spring 18, the movable plate 15 will drive the clamping rod 16 to re-engage the clamping slot of the clutch disc 2, fixing the position of the clutch disc 2, thereby realizing the adjustment of the position of the clutch disc 2, which not only further increases the stability of the toothed power-off clutch, but also adapts to different working conditions and requirements.

[0032] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tooth-type power-off clutch, comprising a wire seat (1), wherein the internal thread of the wire seat (1) is connected to four positioning bolts (13), a first bearing (6) is provided inside the wire seat (1), an outer wall of the first bearing (6) is connected to a spring fixing seat (7), a bearing sleeve (8) passes through the interior of the first bearing (6), an outer wall of the bearing sleeve (8) is located on the top of the spring fixing seat (7) and is connected to a clutch disc (2), a second bearing (9) is provided on the outer wall of the bearing sleeve (8), and an outer wall of the bearing sleeve (8) is located on the top of the second bearing (9) and is connected to an output flange (10); Its characteristics are: A plurality of first teeth (3) are fixedly mounted on the top of the clutch disc (2), the outer wall of the first teeth (3) is wrapped with a first protective pad (4), and a sensor body (5) is provided inside the clutch disc (2); A plurality of second teeth (11) are fixedly mounted on the bottom of the output flange (10), the outer wall of the second teeth (11) is wrapped with a second protective pad (12), and four fixing cylinders (14) are fixedly mounted on the top of the output flange (10).

2. A tooth-type power-off clutch according to claim 1, characterized in that: The interior of the fixed cylinder (14) is movably connected to a movable plate (15), the bottom of the movable plate (15) is fixedly mounted with a clamping rod (16), and the end of the clamping rod (16) passes through the clutch disc (2), the top of the movable plate (15) is fixedly connected to a telescopic rod (17), the outer wall of the telescopic rod (17) is provided with a strong spring (18), the top of the telescopic rod (17) is fixedly connected to a handle (19), and the internal thread of the handle (19) is connected to a fastening bolt (20).

3. The tooth-type power-off clutch according to claim 1, characterized in that: The wire seat (1) and the clutch disc (2) are matched with each other. A coil is provided inside the wire seat (1), and the coil is energized to the outside.

4. The tooth-type power-off clutch according to claim 1, characterized in that: The clutch disc (2) and the output flange (10) are movably connected, the first teeth (3) and the clutch disc (2) and the first protective pad (4) are tightly fitted, and both the first protective pad (4) and the second protective pad (12) are made of rubber.

5. The tooth-type power-off clutch according to claim 1, characterized in that: The spring fixing seat (7) and the clutch disc (2) are movably connected, and a plurality of telescopic springs are arranged inside the spring fixing seat (7).

6. A tooth-type power-off clutch according to claim 2, characterized in that: The movable plate (15) is movably connected to the fixed cylinder (14), and the movable plate (15) is fixedly connected to the clamping rod (16) and the telescopic rod (17).

7. The tooth-type power-off clutch according to claim 2, characterized in that: The clamping rod (16) and the clutch disc (2) are in meshing and movable connection, and four clamping slots are provided inside the clutch disc (2).

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