One-way brake mechanism
By setting brake friction pads on the end face of the motor shaft, the problems of complex structure and high cost of existing brake components are solved, achieving the effect of simplified structure and reduced cost.
Patent Information
- Application Number
- CN202423164714.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-21
AI Technical Summary
Existing braking components have complex structures, high production costs, low efficiency, and are difficult to meet braking accuracy requirements.
Braking friction pads are installed on the end face of the motor shaft. The friction generated by the close cooperation between the shaft and the friction pads achieves the braking and deceleration effect, which simplifies the structure and reduces production costs.
It achieves a simplified structure, reduced production costs, and improved production efficiency, while maintaining braking and deceleration effects.
Smart Images
Figure CN223599673U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of brake assembly, especially to a one-way brake mechanism. BACKGROUND
[0002] The working principle of the motor is that the motor rotor rotates by the force of the energized coil in the magnetic field, and the gear on the rotor drives other mechanical work. Since the industrial revolution, machine automation has gradually replaced manual production operations, and motors have been applied to various industries and have become an indispensable part. With the continuous development and innovation of technology, people's requirements for motors are also getting higher and higher, not only pursuing the size of power, but also putting forward the requirements of actuation and braking accuracy for the motor. Therefore, many motors with braking and deceleration functions appear in the market.
[0003] At present, the brake assembly of the motor with braking and deceleration function is generally provided with a stop ring outside the motor shaft, and a spring or a spring sheet is further provided outside the stop ring, so as to tightly bind the stop ring to brake the shaft, thereby achieving the effect of braking and deceleration. The existing structure generally includes a motor body, a shaft, a brake mechanism (stop ring and spring or spring sheet), and a stop mechanism (cover and screw element), which is relatively complex in structure, high in production cost and low in efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at the shortage of prior art, and provides a one-way brake mechanism, which sets the brake friction plate on the end face of one side of the shaft, the end face of the shaft is tightly matched with the brake friction plate, the shaft rotates when the motor works, at this time, the shaft and the friction plate produce friction to achieve the effect of braking and deceleration. This design is ingenious and simple, which can reduce the production cost and improve the production efficiency while achieving the same braking effect.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A one-way brake mechanism, comprising a motor body, the inside of the motor body is provided with a shaft penetrating through both ends of the motor body, the two ends of the motor body are respectively provided with a tail cover and an end cover, the tail cover is fixedly connected with the end cover through a screw rod penetrating through the motor body, the center of the tail cover is provided with an integral type cavity outward, the integral type cavity is provided with a shaft sleeve inside, the center of the end cover is provided with a bearing, the shaft is positioned in the center of the motor body through the shaft sleeve and the bearing, the tail end face of the shaft and the inner end face of the integral type cavity on the tail cover are provided with a brake friction plate, and one side of the brake friction plate is fixedly connected with the inner end face of the integral type cavity.
[0007] Further, the center of the outer side of the tail cover is provided with an independent cavity, the independent cavity is fixedly connected with the tail cover, and a brake friction plate is arranged between the inner end surface of the independent cavity and the tail end surface of the rotating shaft.
[0008] Further, the brake friction plate is a circular sheet structure, and the brake friction plate is tightly connected with the tail end surface of the rotating shaft.
[0009] Further, the body of the brake friction plate is any one of a metal structure, a hard plastic structure, a soft rubber structure, a leather structure and a felt structure.
[0010] The utility model has the advantages that:
[0011] The one-way brake mechanism sets the brake friction plate on the end surface of the rotating shaft, the end surface of the rotating shaft is tightly connected with the brake friction plate, the rotating shaft rotates when the motor works, at this time, the rotating shaft and the friction plate produce friction to achieve the brake deceleration effect. Compared with the structure that a stop ring is arranged outside the rotating shaft of the motor, a spring or a spring piece is arranged outside the stop ring, and the spring or the spring piece tightly binds the stop ring to brake the rotating shaft, the design structure is ingenious and simple, the same brake effect can be achieved, and the production cost can be reduced and the production efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a cross-sectional structure schematic view of the utility model embodiment one;
[0013] Figure 2 is a three-dimensional structure schematic view of the utility model embodiment one;
[0014] Figure 3 is a cross-sectional structure schematic view of the utility model embodiment two;
[0015] Figure 4 is another direction cross-sectional structure schematic view of the utility model embodiment two;
[0016] Figure 5 is a three-dimensional structure schematic view of the utility model embodiment two. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings Figures 1 to 5 The principle and characteristics of the utility model are described, the examples are only used for explaining the utility model, and are not used for limiting the range of the utility model. In the following paragraphs, the utility model is described in more detail with examples referring to the drawings. The advantages and characteristics of the utility model will be clearer according to the following description and claims. It should be noted that the drawings are very simplified and use non-precise proportions, and are only used to conveniently and clearly assist the purpose of explaining the utility model embodiments.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or / several" as used herein includes any and all combinations of one or more of the associated listed items.
[0019] Example 1:
[0020] like Figures 1 to 2 As shown: This utility model discloses a one-way braking mechanism, including a motor body 1. The motor body 1 has a rotating shaft 2 that passes through both ends of the motor body 1. The motor body 1 has a tail cover 3 and an end cover 4 at its two ends, respectively. The tail cover 3 is fixedly connected to the end cover 4 through the motor body 1 by a screw 5. The tail cover 3 has an outwardly oriented integral cavity 31 at its center. The integral cavity 31 has a bushing 30 inside it. The end cover 4 has a bearing 40 at its center. The rotating shaft 2 is positioned at the center of the motor body 1 by the bushing 30 and the bearing 40. A brake friction plate 6 is provided between the tail end face of the rotating shaft 2 and the inner end face of the integral cavity 31 on the tail cover 3. One side of the brake friction plate 6 is fixedly connected to the inner end face of the integral cavity 31.
[0021] By adopting an integrated cavity 31, an integrated cavity 31 is designed on the tail cover 3, and a brake friction plate 6 is placed inside the integrated cavity 31 and installed integrally with the motor body 1. This reduces the number of parts and saves production and installation costs. The integrated design also increases structural strength.
[0022] Example 2:
[0023] like Figures 3 to 5 As shown: An independent cavity 32 is provided at the center of the outer side of the tail cover 3. The independent cavity 32 is fixedly connected to the tail cover 3. A brake friction pad 6 is provided between the inner end face of the independent cavity 32 and the tail end face of the rotating shaft 2. One side of the brake friction pad 6 is fixedly connected to the inner end face of the independent cavity 32.
[0024] By adopting an independent cavity 32, an independent cavity 32 is designed on the tail cover 3, and the brake friction pad 6 is placed inside the independent cavity 32. It can be assembled after the motor body 1 is installed, which improves the flexibility of the structure. The independent cavity 32 can be disassembled and assembled without affecting the overall structure of the motor, which facilitates convenient maintenance of the braking mechanism. For example, the brake friction pad 6 can be easily replaced when worn, and the bushing 30 can be easily replaced when worn.
[0025] More specifically, the brake friction plate 6 is a circular sheet structure, the brake friction plate 6 is tightly connected with the tail end surface of the rotating shaft 2, one side of the brake friction plate 6 is fixedly connected with the cover, and the other side is tightly connected with the tail end surface of the rotating shaft 2, so that the brake friction plate 6 can produce friction with the rotating shaft 2 when the rotating shaft 2 rotates, thereby achieving the effect of braking and speed reduction.
[0026] More specifically, the body of the brake friction plate 6 is any one of a metal structure, a hard plastic structure, a soft rubber structure, a leather structure and a felt structure, and the brake friction plate 6 can be made in various ways. Due to the difference of the medium, the friction force is also different, and the brake friction plate 6 can be selected according to the use requirement.
[0027] The utility model discloses a valve core inside one -way brake mechanism adopts integrated linkage mode, through the structure of piston design and valve rod joint follow -up, make the valve flap and piston synchronous movement complete the switch of steel cylinder valve, and through several layers of diaphragm and the cooperation of multiple sets of sealing rings promotes overall sealing performance, improves the use convenience, increases the service life of steel cylinder valve.
[0028] The above is only the preferred embodiment of the utility model, therefore, equivalent changes or modifications of the structure, features and principles described in the utility model patent application range are included in the utility model patent application range.
Claims
1. A one-way braking mechanism, comprising a motor body (1), wherein a rotating shaft (2) is disposed inside the motor body (1) and passes through both ends of the motor body (1), and a tail cover (3) and an end cover (4) are respectively disposed at both ends of the motor body (1), characterized in that: The tail cover (3) is fixedly connected to the motor body (1) and the end cover (4) through the screw (5). The center of the tail cover (3) is provided with an outward integrated cavity (31). The integrated cavity (31) is provided with a bushing (30). The center of the end cover (4) is provided with a bearing (40). The rotating shaft (2) is positioned at the center of the motor body (1) through the bushing (30) and the bearing (40). A brake friction plate (6) is provided between the tail end face of the rotating shaft (2) and the inner end face of the integrated cavity (31) on the tail cover (3). One side of the brake friction plate (6) is fixedly connected to the inner end face of the integrated cavity (31).
2. The one-way braking mechanism according to claim 1, characterized in that: An independent cavity (32) is provided at the center of the outer side of the tail cover (3). The independent cavity (32) is fixedly connected to the tail cover (3). A brake friction pad (6) is provided between the inner end face of the independent cavity (32) and the tail end face of the rotating shaft (2). One side of the brake friction pad (6) is fixedly connected to the inner end face of the independent cavity (32).
3. The one-way braking mechanism according to claim 1, characterized in that: The brake friction pad (6) is a circular thin sheet structure, and the brake friction pad (6) is tightly connected to the tail end face of the rotating shaft (2).
4. A one-way braking mechanism according to claim 1, characterized in that: The body of the brake friction pad (6) can be any one of the following: metal structure, hard plastic structure, soft rubber structure, leather structure, or felt structure.