CN210830222U

CN210830222U - Brake clutch device

Info

Publication number: CN210830222U
Application number: CN201921648992.3U
Authority: CN
Inventors: 黄焱; 左艳芳
Original assignee: Shenzhen Sanhuo Plastic Electronic Co ltd
Current assignee: Shenzhen Sanhuo Plastic Electronic Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-23
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a brake clutch device, which is provided with a mandrel, a first work piece, a second work piece, a slide block, a spring and a brake clutch mechanism, wherein the first work piece is arranged on the power input end of the mandrel and is linked with the mandrel; the first workpiece is provided with an outer sleeve part, and an arrangement cavity is reserved between the outer sleeve part and the mandrel; the second working piece is arranged on the power output end of the mandrel and idles relative to the mandrel; the sliding block is sleeved with the mandrel and positioned in the arrangement cavity, and the sliding block has the characteristics of idling and axial sliding relative to the mandrel; the spring is sleeved with the mandrel and positioned in the mounting cavity, the mounting cavity enables the spring to freely rotate and linearly stretch without deformation, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the second workpiece; the brake clutch mechanism is connected with the first working piece and the sliding block to realize the connection or disconnection of the first working piece and the sliding block. The utility model discloses realize that radial dimension is little, big moment output, simple structure, small, simple to operate keeps the transmission of high moment forever.

Description

Brake clutch device

Technical Field

The utility model belongs to the technical field of machinery, motor or electromechanical device's control group technique and specifically relates to indicate a braking clutch.

Background

The following problems are found in the production practice of the current brake and clutch: the transmission of moment mainly relies on forms such as circular friction surface or magnetic powder to realize, and current device is bulky, and the consumption is high, and the reaction is shortcoming such as moment is little slowly, and is also troublesome when many brakers, wheeling unit assemble simultaneously, needs experienced workman's accurate adjustment braking, separation and reunion clearance, then just can lock the installation screw. Often, because of insufficient experience of workers, the brake and clutch clearance is not adjusted correctly, so that the brake and the clutch are disabled. In addition, in the use process of the assembled brake and clutch, because of vibration, loosening of a locking screw and other reasons, the brake and clutch clearance is reduced, so that the brake and clutch plates cannot be separated, or the brake and clutch clearance is increased, so that the brake and clutch plates cannot be engaged, and finally the brake and clutch fail. Or when the brake is assembled on a machine, the assembly shaft can axially shift, so that the brake and clutch clearance can change along with the movement of the assembly shaft, and the brake and clutch can fail due to the same reasons under severe conditions, so that the problem is serious. Therefore, the existing brake and clutch has larger potential safety hazard due to design defects.

Disclosure of Invention

The utility model aims to overcome prior art's defect, provide a braking clutch, the structure is extremely simple, and is small, and transmission moment is big, the stable performance, and the uniformity is good, and the energy consumption is low, long service life, ability linear adjustment moment, the reaction is quick to simple to operate is difficult for makeing mistakes, keeps the high moment transmission forever, obtains the spring and twines tight formula braking clutch.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a brake clutch assembly, comprising:

a spindle having a power input end and a power output end;

the first working piece is arranged on the power input end of the mandrel and is linked with the mandrel; the first workpiece is provided with an outer sleeve part facing the power output end, and a mounting cavity is reserved between the outer sleeve part and the mandrel;

the second working piece is arranged on the power output end of the mandrel and idles relative to the mandrel;

the sliding block is sleeved with the mandrel and positioned in the arrangement cavity, and the sliding block has the characteristics of idling and axial sliding relative to the mandrel;

the spring is a spiral spring, the spring is sleeved with the mandrel and is positioned in the mounting cavity, the mounting cavity enables the spring to freely rotate and linearly stretch without deformation, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the second workpiece;

and the brake clutch mechanism is used for connecting the first working piece and the sliding block to realize the connection or disconnection of the first working piece and the sliding block.

The above scheme is further that the first working piece is of a sleeve structure, an inner step is arranged inside the first working piece, and the inner step leans against the sliding block.

According to the scheme, the first workpiece is connected with the sliding block through a buckle, the first workpiece is tightly connected with the mandrel, the brake clutch mechanism is arranged on the first workpiece in a assembling mode and is provided with a plug-in buckle and a reset piece, the sliding block is provided with a buckle groove, the plug-in buckle is inserted into the buckle groove to realize connection between the first workpiece and the sliding block, and the reset piece gives an auxiliary force for the plug-in buckle to withdraw from the buckle groove.

The above scheme is further that the first working piece and the sliding block are in friction joint through surface pasting, the first working piece is tightly connected with the mandrel, the first working piece is assembled with a brake clutch mechanism, the brake clutch mechanism is a permanent magnet brake clutch structure and is composed of a permanent magnet and a coil, and the sliding block is a magnetizer.

According to the scheme, the first working piece is in friction joint with the sliding block through a surface paste, the first working piece is sleeved with the mandrel through the spline structure, and the brake clutch mechanism pushes the first working piece to be attached to the sliding block in a close fit mode.

The scheme is further that the inserting buckle is manually driven to be inserted into or withdrawn from the buckle slot.

The scheme is further that the inserting buckle is electrically driven to be inserted into or withdrawn from the buckle slot.

The above scheme is further that the insert buckle is electromagnetically pushed to be inserted into or withdrawn from the buckle slot, and the insert buckle is a magnetizer.

The utility model discloses a tightly hold back first work piece and second work piece when twining tight dabber or expanding during the spring shrink, realize the braking separation and reunion efficiency. When the first working piece is not connected with the sliding block, the first working piece and the mandrel rotate freely together, and the sliding block, the spring and the second working piece do not rotate. When the first working piece and the sliding block are connected together under the action of the brake clutch mechanism, the sliding block is driven to rotate together, and the sliding block rotates to cause the spring to contract or expand reversely in the spiral direction; when the spring contracts, the core shaft is wound tightly, so that the core shaft is held tightly; when the spring expands, the first workpiece and the second workpiece are tightly held, so that the first workpiece and the second workpiece rotate together; the torque transmission can be completed no matter the clutch is contracted or expanded, so that the effect of the clutch is achieved. When either of the first and second operating members is stationary, the device becomes a brake.

The utility model discloses broken present braking on the market, the restriction that the clutch will increase moment and must enlarge radial dimension, moment and radial dimension are directly proportional promptly, have proposed moment and the directly proportional notion of axial dimension, and it is little to realize radial dimension, big moment output. The structure is extremely simple, the volume is small, the transmission torque is large, the performance is stable, the consistency is good, the energy consumption is low, the service life is long, the torque can be linearly adjusted, the reaction is fast, in addition, the installation is convenient, the error is not easy to occur, the high torque transmission is permanently kept, and the spring winding type brake clutch device is obtained.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of two embodiments of the present invention;

FIG. 3 is a schematic structural diagram of three embodiments of the present invention;

fig. 4 is a schematic structural diagram of four embodiments of the present invention.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3 and 4, which are drawings illustrating a preferred embodiment of the present invention, the present invention relates to a brake clutch device, which includes a core shaft 1, a first working member 2, a second working member 3, a sliding block 4, a spring 5 and a brake clutch mechanism 6.

The mandrel 1 has a power input end 11 and a power output end 12, and the mandrel 1 provides a corresponding mounting position. The first working piece 2 is assembled on the power input end 11 of the mandrel 1 and linked with the mandrel 1, and external rotation can be transmitted through the first working piece 2 and drive the mandrel 1 to rotate together, or rotation is transmitted through the mandrel 1 and drive the first working piece 2 to rotate together, and the specific mode is not limited herein. The first operating member 2 has an outer sleeve portion 21 facing the power take-off 12, the outer sleeve portion 21 leaving a receiving space with the spindle 1. This second work piece 3 group is established on the power take off end 12 of dabber 1 and idle running 1 relative to the dabber, and this embodiment is further that second work piece 3 cup joints on dabber 1 and by the jump ring with its spacing on dabber 1, prevents to loosen, satisfies the pivoted and gives spacingly simultaneously. The sliding block 4 is sleeved on the mandrel 1 and is positioned in the installation cavity, and the sliding block 4 has the characteristics of idle running and axial sliding relative to the mandrel 1. The spring 5 is a spiral spring, the spring 5 is sleeved with the mandrel 1 and is positioned in a placement cavity, the placement cavity enables the spring 5 to freely rotate and linearly stretch without deformation, one end of the spring 5 is fixedly connected with the sliding block 4, and the other end of the spring 5 is fixedly connected with the second workpiece 3. The brake clutch mechanism 6 is connected with the first working piece 2 and the sliding block 4, so that the first working piece 2 is connected with or disconnected from the sliding block 4. When the first working member 2 is not connected to the slider 4, the first working member 2 freely rotates together with the spindle 1, and the slider 4, the spring 5, and the second working member 3 do not rotate. When the first working piece 2 and the sliding block 4 are connected together under the action of the brake clutch mechanism 6, the first working piece 2 drives the sliding block 4 to rotate together, and the sliding block 4 rotates to cause the spring 5 to contract or expand reversely in the spiral direction; when the spring contracts, the core shaft 1 is wound tightly, so that the core shaft is held tightly; and when the spring expands, the first working piece 2 and the second working piece 3 are tightly held, and no matter the first working piece 2 and the second working piece 3 rotate together through contraction or expansion, torque transmission is completed, and the effect of the clutch is achieved. When either of the first and second operating

members

2, 3 is stationary, the device will become a brake. The friction torque can be amplified by the winding of the spring, namely the number of turns of the spring is more, the amplified torque multiple is larger, and the transmission of small volume and large torque is realized.

Referring to fig. 1, 2, 3 and 4, in the present embodiment, the first working member 2 is a sleeve structure, which is convenient for assembly and manufacture. An inner step 22 is arranged inside the first operating member 2, the inner step 22 leans against the sliding block 4, and the inner step 22 provides a working position and even meets the assembly requirement of the brake clutch mechanism 6. In the figure, the mandrel 1 is provided with a corresponding shaft shoulder for tightly holding the spring 5, the sliding block 4 and the second work piece 3 are respectively arranged at two side ends of the shaft shoulder, and the outer sleeve part 21 of the first work piece 2 and the shaft shoulder limit the spring 5, so that the spring 5 is prevented from deforming, and the stable and effective work is ensured.

Referring to fig. 1 and 2, in the present embodiment, the first working member 2 is connected to the sliding block 4 by snap-fit, the first working member 2 is tightly connected to the core shaft 1, and a brake clutch mechanism 6 is assembled on the first working piece 2, the brake clutch mechanism 6 is provided with a plug-in buckle 61 and a reset piece 62, a buckle slot 41 is arranged on the sliding block 4, the plug-in buckle 61 is inserted into the buckle slot 41 to realize the joint between the first working piece 2 and the sliding block 4, and obtain transmission connection, so that the first working member 2 drives the sliding block 4 to rotate, the inserting buckle 61 extends and retracts axially in the figure, the resetting member 62 is preferably a compression spring, the resetting member 62 is sleeved on the inserting buckle 61, when the insert buckle 61 is inserted into the buckle slot 41, the reset piece 62 is compressed to accumulate force, and when the insert buckle 61 exits from the buckle slot 41, the reset piece 62 gives an auxiliary force for the insert buckle 61 to exit from the buckle slot 41, so that the insert buckle 61 is reset, the insert buckle 61 is effectively supported, and the insert buckle 61 is prevented from being accidentally inserted into the buckle slot 41. As shown in FIG. 1, the insertion buckle 61 is manually driven to be inserted into or withdrawn from the buckle slot 41, and a handle connected to the insertion buckle 61 protrudes from the first working member 2 so that the insertion or withdrawal of the insertion buckle 61 is manually operated. As shown in fig. 1, the inserting buckle 61 is electrically driven to insert into or withdraw from the buckle slot 41, and further preferably, the inserting buckle 61 is electromagnetically pushed to insert into or withdraw from the buckle slot 41, the inserting buckle 61 is a magnetic conductor, a magnetic field is generated by energizing the electromagnetic coil to push the inserting buckle 61 to insert into the buckle slot 41, the electromagnetic coil is de-energized to release the inserting buckle 61, and the inserting buckle 61 automatically withdraws from the buckle slot 41 under the action of the resetting member 62, so as to separate the first operating member 2 from the sliding block 4.

Referring to fig. 3, in the embodiment, the first working member 2 and the sliding block 4 are in friction engagement through surface mounting, the first working member 2 is tightly connected to the mandrel 1, and the brake clutch mechanism 6 is assembled on the first working member 2, the brake clutch mechanism 6 is a permanent magnet brake clutch structure and is formed by combining a permanent magnet and a coil, and the sliding block 4 is a magnetizer. When the coil is not electrified, the permanent magnet adsorption sliding block 4 is tightly attached to the inner step 22 of the first working piece 2 to obtain friction joint, so that the first working piece 2 drives the sliding block 4 to rotate. When the coil is electrified, magnetic flux in the opposite direction of the permanent magnet is generated and offset, the sliding block 4 is released, the spring 5 pulls the sliding block 4 to return, and the first working piece 2 is separated from the sliding block 4.

Referring to fig. 4, in the embodiment, the first working element 2 and the sliding block 4 are in friction engagement through surface contact, the first working element 2 is sleeved on the mandrel 1 through a spline structure, and the brake clutch mechanism 6 generates an action of pushing the first working element 2 to move axially, so as to push the first working element 2 to abut against the sliding block 4. Braking clutching mechanism 6 can be outside manipulator, power cylinder or magnetic structure etc. as long as satisfy promote first work piece 2 remove can, be equipped with reset spring 7 between at this moment first work piece 2 and dabber 1, when braking clutching mechanism 6 cancels the promotion to first work piece 2, reset spring 7 gives the power of 2 reverse movements of first work piece, realize that first work piece 2 resets, and effectively prop up first work piece 2, prevent that first work piece 2 accidental removal from hugging closely slider 4.

The utility model discloses utilize the spring to contract according to the spiral direction or reverse expansion operation, realize braking separation and reunion efficiency, broken present braking on the market, the clutch will increase the restriction that moment must enlarge radial dimension, moment and radial dimension are directly proportional promptly, have proposed moment and the directly proportional notion of axial dimension, realize that radial dimension is little, big moment output. During working, the roles of the first working piece 2 and the second working piece 3 can be exchanged during working, and the torque can be transmitted in two directions. The structure is extremely simple, the volume is small, the transmission torque is large, the performance is stable, the consistency is good, the energy consumption is low, the service life is long, the torque can be linearly adjusted, the reaction is fast, in addition, the installation is convenient, the error is not easy to occur, the high torque transmission is permanently kept, and the spring winding type brake clutch device is obtained.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. A brake clutch device, characterized in that: comprises that

A mandrel (1), the mandrel (1) having a power input end (11) and a power output end (12);

the first working piece (2), the first working piece (2) is assembled on the power input end (11) of the mandrel (1) and linked with the mandrel (1); the first working piece (2) is provided with an outer sleeve part (21) facing the power output end (12), and a mounting cavity is reserved between the outer sleeve part (21) and the mandrel (1);

the second working piece (3), the group of this second working piece (3) is set up on the power take-off (12) of the spindle (1) and relative spindle (1) idle running;

the sliding block (4) is sleeved with the mandrel (1) and is positioned in the arranging cavity, and the sliding block (4) has the characteristics of idling and axial sliding relative to the mandrel (1);

the spring (5) is a spiral spring, the spring (5) is sleeved with the mandrel (1) and is positioned in the placement cavity, the placement cavity enables the spring (5) to freely rotate and linearly stretch without deforming, one end of the spring (5) is fixedly connected with the sliding block (4), and the other end of the spring (5) is fixedly connected with the second workpiece (3);

and the brake clutch mechanism (6), the brake clutch mechanism (6) is connected with the first work piece (2) and the sliding block (4) to realize the connection or disconnection of the first work piece (2) and the sliding block (4).

2. A brake clutch device according to claim 1, characterized in that: the first working piece (2) is of a sleeve structure, an inner step (22) is arranged inside the first working piece (2), and the inner step (22) leans against the sliding block (4).

3. A brake clutch device according to claim 1 or 2, characterized in that: the first working piece (2) is connected with the sliding block (4) through a buckle, the first working piece (2) is tightly connected with the mandrel (1), the brake clutch mechanism (6) is arranged on the first working piece (2), the brake clutch mechanism (6) is provided with a plug-in buckle (61) and a reset piece (62), a buckle groove (41) is formed in the sliding block (4), the plug-in buckle (61) is inserted into the buckle groove (41) to realize connection between the first working piece (2) and the sliding block (4), and the reset piece (62) gives an auxiliary force for the plug-in buckle (61) to withdraw from the buckle groove (41).

4. A brake clutch device according to claim 1 or 2, characterized in that: the first working piece (2) is in friction joint with the sliding block (4) through surface pasting, the first working piece (2) is fixedly connected with the mandrel (1), the first working piece (2) is provided with a brake clutch mechanism (6), the brake clutch mechanism (6) is a permanent magnet brake clutch structure and is composed of a permanent magnet and a coil, and the sliding block (4) is a magnetizer.

5. A brake clutch device according to claim 1 or 2, characterized in that: first work piece (2) and slider (4) between through face subsides frictional engagement, first work piece (2) cup joint dabber (1) through spline structure, brake clutching mechanism (6) realize promoting first work piece (2) to slider (4) near the laminating.

6. A brake clutch device according to claim 3, characterized in that: the inserting buckle (61) is manually driven to be inserted into or withdrawn from the buckle groove (41).

7. A brake clutch device according to claim 3, characterized in that: the inserting buckle (61) is electrically driven to be inserted into or withdrawn from the buckle groove (41).

8. The brake clutch device according to claim 7, wherein: the insert buckle (61) is electromagnetically pushed to be inserted into or withdrawn from the buckle groove (41), and the insert buckle (61) is a magnetizer.