CN210830241U

CN210830241U - Spring winding brake

Info

Publication number: CN210830241U
Application number: CN201921648666.2U
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 spring-wound brake, which comprises a rotating part, wherein the rotating part is sleeved at one end of a mandrel according to an idle running state, the other end of the mandrel is far away from the extension of the rotating part, a brake part, a sliding block and a main spring are arranged on the extension section of the mandrel, the sliding block has the characteristics of idle running and axial sliding relative to the mandrel, the two ends of the main spring are respectively connected with the sliding block and the rotating part, and the rotating part drives the main spring and the sliding block to rotate together; the sliding block and the braking part are electrified through the coil to be attracted or attracted through the permanent magnet, and are tightly wound or tightly held when the main spring contracts, so that the braking part stops the rotating part from moving, and the braking effect is achieved. The brake has the advantages of simple structure, small radial size, large torque braking, stable performance, good consistency, low energy consumption, long service life, quick response, convenience in installation, difficulty in making mistakes and capability of permanently keeping high torque transmission braking.

Description

Spring winding brake

Technical Field

The utility model relates to a machinery, motor or electromechanical device's control group technical field especially indicates a stopper.

Background

During the production practice of the current brake, the following problems are found: 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 more troublesome when many brakes assemble simultaneously, needs experienced workman's accurate adjustment braking clearance, then just can lock the installation screw. Often, due to insufficient experience of workers, the brake clearance is not adjusted correctly, resulting in brake failure. In addition, in the use process of the assembled brake, due to vibration, loosening of a locking screw and the like, the brake pad can not be separated because of small brake clearance, or the brake pad can not be jointed because of large brake clearance, and finally the brake fails. Or when the brake is assembled on a machine, the assembly shaft can axially shift, so that the brake clearance can change along with the movement of the assembly shaft, and the brake can fail under the serious condition for the same reason as the above reason, so that the problem is serious. Therefore, the existing brake has a great potential safety hazard due to design defects.

Disclosure of Invention

The utility model aims to overcome prior art's defect, provide a stopper is tied up to spring winding, simple structure, it is small, transmission moment is big, the stable performance, the uniformity is good, the energy consumption is low, long service life can linear adjusting torque, the reaction is quick to simple to operate is difficult for makeing mistakes, keeps the high moment transmission forever.

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

a spring-bound brake comprises a rotating part, wherein the rotating part is sleeved at one end of a mandrel in an idle mode, the other end of the mandrel is far away from the rotating part and extends, a braking part, a sliding block and a main spring are arranged on an extending section of the mandrel, the sliding block has idle running and axial sliding characteristics relative to the mandrel, two ends of the main spring are respectively connected with the sliding block and the rotating part, and the rotating part drives the main spring and the sliding block to rotate together; the sliding block and the main spring are sleeved with the sleeve, and the sleeve limits the main spring and meets the requirement that the main spring rotates freely under the condition of no deformation; one end of the sleeve is fixedly connected with the braking part, the braking part is provided with a bobbin part extending towards the rotating part, a coil is embedded between the bobbin part and the sleeve, and the braking part and the sliding block are attracted by electrifying the coil.

In order to achieve the above purpose, the utility model can also adopt the following technical proposal:

a spring-bound brake comprises a rotating part, wherein the rotating part is sleeved at one end of a mandrel in an idle mode, the other end of the mandrel is far away from the rotating part and extends, a braking part, a sliding block and a main spring are arranged on an extending section of the mandrel, the sliding block has idle running and axial sliding characteristics relative to the mandrel, two ends of the main spring are respectively connected with the sliding block and the rotating part, and the rotating part drives the main spring and the sliding block to rotate together; the braking piece is provided with a permanent magnet which realizes the attraction of the braking piece and the sliding block; the sliding block and the main spring are sleeved with the sleeve, and the sleeve limits the main spring and meets the requirement that the main spring rotates freely under the condition of no deformation; one end of the sleeve is fixedly connected with the braking part, the braking part is provided with a tube part extending towards the rotating part, a coil is embedded between the tube part and the sleeve, the coil is electrified to generate magnetic flux in the opposite direction of the permanent magnet and offset the magnetic flux of the permanent magnet, and the braking part is separated from the sliding block.

The utility model discloses a twine tightly or hold back when expanding when the main spring contracts, reach the braking part and prevent to rotate the piece motion, obtain the brake efficiency. The brake device is simple in structure, the brake part is fixed, the two ends of the main spring are respectively connected with the sliding block and the rotating part, and the main spring can be contracted and wound tightly or held tightly when expanded through the brake part and the sliding block in a working process, so that the efficacy of the brake device is realized. The utility model discloses broken stopper on the present market and wanted the restriction that the radial dimension must be enlarged to increase moment, moment and radial dimension are directly proportional promptly, have proposed moment and the concept that the axial dimension is directly proportional, obtain the spring and twine the stopper of tying up, it is little to realize the radial dimension, big moment braking, the structure is extremely simple, and is small, and the braking force is big, the stable performance, the uniformity is good, and the energy consumption is low, long service life, the reaction is quick, and simple to operate is difficult for makeing mistakes, keeps high moment transmission braking forever.

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.

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.

Referring to fig. 1 and 2, which are views illustrating a preferred embodiment of the present invention, the present invention relates to a spring-binding brake, which is configured to prevent a rotating member from operating by tightening a main spring when the main spring is contracted or by tightening the main spring when the main spring is expanded.

Example 1:

referring to fig. 1, the spring binding brake of the present embodiment includes a rotating member 1, and the rotating member 1 is connected to a corresponding working device through a connecting member such as a screw, a flange, or the like, so as to realize following rotation. Rotate piece 1 and cup joint the one end at dabber 2 according to idle running form, the other end of dabber 2 is kept away from and is rotated piece 1 extension, and sets up braking piece 3, slider 4 and main spring 5 on the extension section of dabber 2, and dabber 2 plays the installing support effect. The mandrel 2 is made of non-magnetic conductive materials, the mandrel 2 can be fixed with the braking part 3, the braking part 3 is fixedly connected with carriers such as a rack through a corresponding mounting part, and the braking part 3 provides a working stable state. The sliding block 4 has the characteristics of idle rotation and axial sliding relative to the mandrel 2, and two ends of the main spring 5 are respectively connected with the sliding block 4 and the rotating piece 1. In this embodiment, in order to facilitate manufacturing and assembling, the core shaft 2 is provided with a magnetic conduction shoulder 21, and the magnetic conduction shoulder 21 can be obtained by fixedly connecting the core shaft 2 in a combined manner. The magnetic conduction shaft shoulder 21 is positioned between the sliding block 4 and the rotating part 1, and the main spring 5 is sleeved on the magnetic conduction shaft shoulder 21. The magnetic conduction shaft shoulder 21 has the functions of limiting and matching with the main spring 5 to work, and simultaneously effectively communicates the magnetic circuits of the sliding block 4 and the rotating piece 1. The sliding block 4 and the main spring 5 are sleeved with the sleeve 6, and the sleeve 6 limits the main spring 5 and meets the requirement that the main spring 5 rotates freely under the condition of no deformation; one end of the sleeve 6 is fixedly connected with the braking part 3, the braking part 3 is provided with a bobbin part 31 extending towards the rotating part 1, a coil 7 is embedded between the bobbin part 31 and the sleeve 6, and the coil 7 is electrified to realize the attraction of the braking part 3 and the sliding block 4. Thus, the braking part 3 stops the sliding block 4 from rotating, when the sliding block 4 stops and the rotating part 1 and the main spring 5 continue to rotate, the main spring 5 is caused to contract or expand, the magnetic conduction shaft shoulder 21 is tightly wound during contraction, namely, the magnetic conduction shaft shoulder is tightly connected with the mandrel 2, and the mandrel 2 stops the rotating part 3 from rotating through the main spring 5; when the main spring 5 expands, the sleeve 6 and the rotating part 1 connected with the other end of the main spring are tightly held, so that the rotating part 1 is prevented from rotating, the brake transmission is completed, and the electromagnetic control brake function is realized.

Example 2:

referring to fig. 2, the spring binding brake of the present embodiment includes a rotating member 1, and the rotating member 1 is connected to a corresponding working device through a connecting member such as a screw, a flange, or the like, so as to realize following rotation. Rotate piece 1 and cup joint the one end at dabber 2 according to idle running form, the other end of dabber 2 is kept away from and is rotated piece 1 extension, and sets up braking piece 3, slider 4 and main spring 5 on the extension section of dabber 2, and dabber 2 plays the installing support effect. The mandrel 2 is made of non-magnetic conductive materials, the mandrel 2 can be fixed with the braking part 3, the braking part 3 is fixedly connected with carriers such as a rack through a corresponding mounting part, and the braking part 3 provides a working stable state. The sliding block 4 has the characteristics of idle rotation and axial sliding relative to the mandrel 2, and two ends of the main spring 5 are respectively connected with the sliding block 4 and the rotating piece 1. In this embodiment, in order to facilitate manufacturing and assembling, the core shaft 2 is provided with a magnetic conduction shoulder 21, and the magnetic conduction shoulder 21 can be obtained by fixedly connecting the core shaft 2 in a combined manner. The magnetic conduction shaft shoulder 21 is positioned between the sliding block 4 and the rotating part 1, and the main spring 5 is sleeved on the magnetic conduction shaft shoulder 21. The magnetic conduction shaft shoulder 21 has the functions of limiting and matching with the main spring 5 to work, and simultaneously effectively communicates the magnetic circuits of the sliding block 4 and the rotating piece 1. The braking part 3 is provided with a permanent magnet 8, the permanent magnet 8 realizes the attraction of the braking part 3 and the sliding block 4, in the embodiment, a magnetic guide pad 32 is additionally arranged between the braking part 3 and the sliding block 4 so as to increase the efficacy of the attraction and the combination with the sliding block 4 and prolong the service life. The sliding block 4 and the main spring 5 are sleeved with the sleeve 6, and the sleeve 6 limits the main spring 5 and meets the requirement that the main spring 5 rotates freely under the condition of no deformation; one end of the sleeve 6 is fixedly connected with the braking part 3, the braking part 3 is provided with a tube part 31 extending towards the rotating part 1, a coil 7 is embedded between the tube part 31 and the sleeve 6, the coil 7 is electrified to generate magnetic flux in the direction opposite to the direction of the permanent magnet 8 and offset the magnetic flux of the permanent magnet 8, and the braking part 3 is separated from the sliding block 4. When the coil 7 is powered off, the braking part 3 and the sliding block 4 can be attracted together under the action of the permanent magnet 8, so that the braking part 3 stops the rotation of the sliding block 4, when the sliding block 4 stops and the rotating part 1 and the main spring 5 continue to rotate, the main spring 5 is caused to contract or expand, the magnetic conduction shaft shoulder 21 is tightly wound during contraction, namely, the magnetic conduction shaft shoulder is tightly connected with the core shaft 2, and the core shaft 2 stops the rotation of the rotating part 3 through the main spring 5; when the main spring 5 expands, the sleeve 6 and the rotating part 1 connected with the other end of the main spring are tightly held, so that the rotating part 1 is prevented from rotating, the braking transmission is completed, and the function of breaking (losing) the electric brake is realized.

The utility model discloses a twine tightly or hold back when expanding when the main spring contracts, reach the braking part and prevent to rotate the piece motion, obtain the brake efficiency. The braking part is fixed, the two ends of the main spring are respectively connected with the sliding block and the rotating part, and the main spring can be contracted and wound tightly or held tightly when expanded by connecting and attracting the braking part and the sliding block in work, so that the effect of the brake is realized. The utility model discloses broken stopper on the present market and wanted the restriction that the radial dimension must be enlarged to increase moment, moment and radial dimension are directly proportional promptly, have proposed moment and the concept that the axial dimension is directly proportional, obtain the spring and twine the stopper of tying up, it is little to realize the radial dimension, big moment braking, the structure is extremely simple, and is small, and the braking force is big, the stable performance, the uniformity is good, and the energy consumption is low, long service life, the reaction is quick, and simple to operate is difficult for makeing mistakes, keeps high moment transmission braking forever.

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. The utility model provides a stopper is tied up to spring, is including rotating piece (1), its characterized in that: the rotating piece (1) is sleeved at one end of the mandrel (2) in an idling mode, the other end of the mandrel (2) is far away from the rotating piece (1) to extend, the brake piece (3), the sliding block (4) and the main spring (5) are assembled on the extending section of the mandrel (2), the sliding block (4) has idling and axial sliding characteristics relative to the mandrel (2), the sliding block (4) and the rotating piece (1) are connected to the two ends of the main spring (5) respectively, the sliding block (4) and the main spring (5) are sleeved with the sleeve (6), and the sleeve (6) limits the main spring (5) and enables the main spring (5) to rotate freely under the condition of no deformation; one end of the sleeve (6) is fixedly connected with the braking part (3), the braking part (3) is provided with a bobbin part (31) extending towards the rotating part (1), a coil (7) is embedded between the bobbin part (31) and the sleeve (6), and the braking part (3) is attracted with the sliding block (4) by electrifying the coil (7).

2. The utility model provides a stopper is tied up to spring, is including rotating piece (1), its characterized in that: the rotating piece (1) is sleeved at one end of the mandrel (2) in an idling mode, the other end of the mandrel (2) is far away from the rotating piece (1) to extend, a braking piece (3), a sliding block (4) and a main spring (5) are arranged on the extending section of the mandrel (2), the sliding block (4) has idling and axial sliding characteristics relative to the mandrel (2), and two ends of the main spring (5) are respectively connected with the sliding block (4) and the rotating piece (1); the braking piece (3) is provided with a permanent magnet (8), and the permanent magnet (8) realizes the attraction of the braking piece (3) and the sliding block (4); the sliding block (4) and the main spring (5) are sleeved with the sleeve (6), and the sleeve (6) limits the main spring (5) and meets the requirement that the main spring (5) can rotate freely under the condition of no deformation; one end of the sleeve (6) is fixedly connected with the braking part (3), the braking part (3) is provided with a bobbin part (31) extending towards the rotating part (1), a coil (7) is embedded between the bobbin part (31) and the sleeve (6), the coil (7) is electrified to generate magnetic flux in the direction opposite to the permanent magnet (8) and offset the magnetic flux of the permanent magnet (8), and the braking part (3) is separated from the sliding block (4).