CN219592188U

CN219592188U - Mute end cover of tubular motor

Info

Publication number: CN219592188U
Application number: CN202320300503.5U
Authority: CN
Inventors: 刘文涛; 胡鹏扬; 陈绍华; 刘涛
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-25
Anticipated expiration: 2033-02-09

Abstract

In order to solve the problem that the noise of a tubular motor in the prior art is large in the using process, the utility model provides a mute end cover of the tubular motor, and the technical scheme for solving the technical problem comprises an end cover body, wherein a through hole for penetrating a motor shaft is formed in one end of the end cover body, two symmetrically arranged half bushings are arranged in the end cover body, two symmetrically distributed first holes are formed in the side wall of the end cover body, a second hole matched with the first hole is formed in the side wall of each half bushing, and when the mute end cover is assembled, the two half bushings are sleeved outside a bearing on the motor shaft, and the half bushings are of elastic structures. According to the utility model, the elastic half bushing structure is designed in the end cover, so that vibration in the working process can be absorbed through the elasticity of the end cover, noise transmission between an internal motor and a gear box can be effectively blocked, meanwhile, the stability of assembly can be improved, and noise is further reduced through the design of the structure of the end cover.

Description

Mute end cover of tubular motor

Technical Field

The utility model belongs to the technical field of tubular motors, and particularly relates to a mute end cover of a tubular motor.

Background

The end covers of the tubular motors in the market at present are mostly made of rigid materials, such as plastics, metals and the like. After long-time use, the structure may generate looseness or gaps, so that vibration noise of the internal gear box and the motor can be easily transmitted to the outside, and the noise level of the whole product is affected.

Disclosure of Invention

In order to solve the problem that the noise of a tubular motor in the prior art is large in the using process, the utility model provides the mute end cover of the tubular motor, and the elastic half-bushing structure is designed in the end cover, so that the vibration in the working process can be absorbed through the elasticity of the mute end cover, the noise transmission between the internal motor and a gear box can be effectively blocked, and meanwhile, the stability of assembly can be improved and the noise is further reduced through the design of the structure of the end cover.

The utility model provides a mute end cover of a tubular motor, which solves the technical problem, and the mute end cover comprises an end cover body, wherein one end of the end cover body is provided with a through hole for penetrating a motor shaft, two symmetrically arranged half bushings are arranged in the end cover body, the side wall of the end cover body is provided with two symmetrically distributed first holes, the side wall of each half bushing is provided with a second hole matched with the first hole, and when the mute end cover is assembled, the two half bushings are sleeved outside a bearing on the motor shaft, and the half bushings are of an elastic structure. The half bushing is designed in the end cover body, and is in direct contact with the bearing of the motor shaft when being assembled, and the half bushing is made of elastic materials, so that good damping and shock absorption effects can be achieved, noise of the tubular motor in the working process is reduced, meanwhile, the half bushing is detachably connected with the end cover, the installation is convenient, machining errors of an inner hole of the end cover can be compensated to a certain extent when the end cover is actually used, and the half bushing is conveniently and firmly connected with the end cover body through the design of the first hole and the second hole, so that better damping effect is achieved.

Preferably, the half bushing is detachably connected with the end cover body, and sealant is coated between the outer side wall of the half bushing and the inner side wall of the end cover body. In the in-service use, can select whether install half bush according to actual conditions, not only can guarantee the sealed effect between half bush and the end cover body through the setting of sealant, can make the combination between half bush and the end cover body more firm moreover.

Preferably, a plurality of small holes distributed in the circumferential direction are formed in the side wall of the half bushing. Noise can be better absorbed through the design of aperture, reaches better silence effect.

Preferably, one end of the half bushing is provided with an end support extending inwards, and the end support is provided with a semicircular hole with a diameter not smaller than that of the through hole. The end supports are used for supporting the end face of the bearing, and therefore the excircle and the end of the bearing are in contact with the elastic material, friction can be reduced, and noise is further reduced.

Preferably, an end face of the end support and an inner side end face of the end cover body are mutually attached and coated with sealant. The connecting effect of the half bushing and the end cover body and the sealing effect between the half bushing and the end cover body can be improved.

Preferably, a connecting screw is further included, the connecting screw passing through the first and second holes to effect connection of the end cap body to the half-bushing. The end cover body is fixedly connected with the half bushing through the connecting screw, the position of the half bushing is limited, and the danger caused by sliding of the position of the half bushing in the use process is avoided.

Preferably, two symmetrically arranged positioning protrusions are arranged on the outer side of the end cover body. The position of the end cover body is further limited, so that the assembly structure of the end cover body is more stable and firm, vibration is reduced, noise can be reduced, and a better silencing effect is achieved.

Preferably, a plurality of jacking holes are formed in the side wall of the end cover body. When dismantling half bush, can pass the roof pressure hole roof pressure half bush through roof pressure screw, the dismantlement of half bush of being convenient for.

Preferably, the outer side wall of the half bushing has a taper.

In summary, the technical scheme of the utility model has at least the following beneficial effects:

1. by designing the elastic half bushing structure in the end cover, vibration in the working process can be absorbed through the elasticity of the half bushing structure, noise transmission between an internal motor and a gear box can be effectively blocked, and noise is reduced;

2. the end cover is assembled more stably by virtue of the design of the positioning protrusions on the end cover, so that noise is further reduced;

3. through the design end cover with half bush can dismantle the connection, can confirm whether install half bush according to the in-service use scene, use in a flexible way.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front cross-sectional view of the present utility model;

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

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

fig. 4 is a front view of a half bushing of the present utility model.

In the figure:

1. an end cap body; 2. a through hole; 3. a half bushing; 4. a first hole; 5. a second hole; 6. a small hole; 7. an end support; 8. positioning the bulge; 9. and (5) pressing the hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a mute end cover of a tubular motor, wherein the end cover is a front cover of the tubular motor, and one embodiment of the mute end cover disclosed by the utility model comprises an end cover body, wherein one end of the end cover body is provided with a through hole for passing through a motor shaft, two half bushings which are symmetrically arranged are arranged in the end cover body, the half bushings are of elastic structures, and rubber or other elastic materials can be adopted for the half bushings in the actual production process. Wherein two symmetrically distributed first holes are formed in the side wall of the end cover body, second holes matched with the first holes are formed in the side wall of each half bushing, and when the end cover is assembled, the two half bushings are sleeved outside the bearing on the motor shaft when assembled. Through having designed half bush in the end cover body, when assembling, half bush and the bearing direct contact of motor shaft avoid rigid material's end cover body and bearing direct contact, simultaneously because half bush is made for elastic material, can play fine shock attenuation, inhale the shake effect, reduce the noise of tubular motor in the course of the work, half bush's elasticity also can compensate the machining error of end cover hole to a certain extent when in actual use. Through the design in first hole and second hole, simple to operate is convenient for realize half bush and end cover body's firm being connected, reaches better shock attenuation effect.

The half bushing is detachably connected with the end cover body, and sealant is coated between the outer side wall of the half bushing and the inner side wall of the end cover body. In the in-service use, can select whether install half bush according to actual conditions, not only can guarantee the sealed effect between half bush and the end cover body through the setting of sealant, can make the combination between half bush and the end cover body more firm moreover.

And the outer side wall of the half bushing has a taper.

In order to achieve a better silencing effect, the side wall of the half bushing is provided with a plurality of small holes distributed in an array mode in the circumferential direction. Noise can be better absorbed through the design of aperture.

One end of the half bushing is provided with an end support extending inwards, the end support is provided with a semicircular hole, the diameter of the semicircular hole is not smaller than that of the through hole, and therefore the half bushing cannot interfere with installation of a motor shaft. The end support is used for supporting the end face of the bearing, so that the excircle and the end of the bearing are contacted with the elastic material, friction can be reduced, and noise is further reduced. Wherein, an end face of the end support is mutually attached to the inner side end face of the end cover body and is coated with sealant. The connecting effect of the half bushing and the end cover body and the sealing effect between the half bushing and the end cover body can be improved.

In order to ensure the position stability of the half bushing, the utility model further comprises a connecting screw, wherein the connecting screw penetrates through the first hole and the second hole to realize the connection of the end cover body and the half bushing. The end cover body is fixedly connected with the half bushing through the connecting screw, the position of the half bushing is limited, and the danger caused by sliding of the position of the half bushing in the use process is avoided.

In order to further improve the noise reduction effect, two symmetrically arranged positioning protrusions are arranged on the outer side of the end cover body. The position of the end cover body is further limited, so that the assembly structure of the end cover body is more stable and firm, vibration is reduced, noise can be reduced, and a better silencing effect is achieved.

In order to facilitate the disassembly of the half bushing, the side wall of the end cover body is provided with a plurality of jacking holes. When the half bushing is disassembled, one end of the jacking screw can penetrate through the jacking hole to jack the half bushing, so that the half bushing is convenient to disassemble.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a silence end cover of tubular motor, includes the end cover body, the through-hole that is used for passing the motor shaft is seted up to the one end of end cover body, a serial communication port, this internally mounted of end cover has two symmetrical arrangement's half bush, two symmetrical distribution's first hole has been seted up on the lateral wall of end cover body, every half bush on the lateral wall seted up with first hole complex second hole, during the assembly, two half bush cover is established in the outside of motor shaft upper bearing, half bush is elastic structure.

2. The mute end cover of a tubular motor of claim 1, wherein the half bushing is detachably connected with the end cover body, and a sealant is coated between an outer side wall of the half bushing and an inner side wall of the end cover body.

3. The mute end cover of a tubular motor of claim 1, wherein the side wall of the half bushing is provided with a plurality of small holes distributed in an array in the circumferential direction.

4. The mute end cover of a tubular motor according to claim 1, wherein one end of the half bushing is provided with an end support extending inward, and the end support is provided with a semicircle hole with a diameter not smaller than that of the through hole.

5. The mute end cap of claim 4, wherein an end face of the end support is adhered to an inner end face of the end cap body and is coated with a sealant.

6. The mute end cap of a tubular motor of claim 1, further comprising a connecting screw passing through the first and second apertures to effect connection of the end cap body to the half bushing.

7. The mute end cover of a tubular motor according to claim 1, wherein two symmetrically arranged positioning protrusions are provided on the outer side of the end cover body.

8. The mute end cover of a tubular motor of claim 1, wherein a plurality of jacking holes are provided in the side wall of the end cover body.

9. The mute end cap of a tubular electric motor of claim 1, wherein the outer side wall of the half bushing has a taper.