WO2021103488A1

WO2021103488A1 - Shock-absorbing and fixing structure

Info

Publication number: WO2021103488A1
Application number: PCT/CN2020/095707
Authority: WO
Inventors: 林竹秀
Original assignee: 厦门呼博仕环境工程产业股份有限公司
Priority date: 2019-11-25
Filing date: 2020-06-12
Publication date: 2021-06-03
Also published as: CN210806945U

Abstract

A shock-absorbing and fixing structure, being provided with a shock-absorbing pad (25). The shock-absorbing pad (25) comprises a first shock-absorbing piece (252) and a hollow sleeve (251) that is inserted into a mounting hole (23) of a vibration source (21); a limiting column (24) on a fixing bracket (22) is inserted into the sleeve (251) and passes through the mounting hole (23); a connecting rod (262) of a cap connector (26) extends into the limiting column (24) and is fixed to the limiting column (24) by means of a connection portion; a connecting cap (261) of the cap connector (26) abuts against the outside of the first shock-absorbing piece (252) and works in conjunction to the vibration source (21) to clamp the first shock-absorbing piece (252).

Description

A shock-absorbing fixed structure

Technical field

The utility model relates to the field of electromechanical technology, in particular to a shock-absorbing fixed structure.

Background technique

The electronic products we use in our daily life are inseparable from motors, and most of the motors are iron shells, and there will inevitably be a certain amount of noise during the working process. In order to reduce the noise, the existing motor fixing method can be shown in Figure 1. 1 The mounting hole ear seat 2 is wrapped with a semi-circular shock-absorbing pad 3 and placed on the motor fixing frame 4, and a fixing piece 5 is placed on the shock-absorbing pad 3 to fix the motor with a rear lock screw 6.

This fixing method controls the compression of the cushion through the limit of the fixing piece. This fixing method has the following disadvantages.

1. The fixed piece is easy to deform, which can easily lead to inconsistent compression of the shock-absorbing pad at different fixed positions of the motor.

2. The fixing piece needs to be placed before the screw is locked, which is troublesome to assemble.

3. The screw is easy to directly touch the iron at the motor hole, causing abnormal noise.

In view of this, this application is hereby submitted.

technical problem

Aiming at the shortcomings of the prior art, the utility model proposes a shock-absorbing fixing structure, thereby solving the problems of inconsistent compression of shock-absorbing pads, cumbersome assembly and abnormal sound existing in the existing motor shock-absorbing fixing structure.

Technical solutions

The utility model provides a shock-absorbing fixing structure for fixing a vibration source on a fixing frame. The vibration source is provided with mounting holes, and the fixing frame is provided with a limit column, and also includes a shock-absorbing pad and a connecting piece. The connecting piece includes a connecting cap and a connecting rod. The connecting cap has a size larger than that of the connecting rod and larger than the diameter of the mounting hole. The connecting cap is arranged at one end of the connecting rod, and the other end of the connecting rod is provided with a connecting portion , The limit post is provided with a fixing groove corresponding to the connecting rod, and the shock-absorbing pad includes a hollow sleeve and a first shock-absorbing sheet arranged at one end of the sleeve. Both the sleeve and the first shock-absorbing sheet are made of elastic Made of materials.

When assembling, the casing is inserted into the mounting hole, the limiting column is inserted into the casing and passing through the mounting hole, and the connecting rod of the connector extends into the limiting column and passes through the connecting portion and the limiting column Fixed, the connecting cap of the connecting piece abuts against the outer side of the first shock-absorbing sheet and cooperates with the vibration source to clamp the first shock-absorbing sheet.

Further, as an executable solution, after the connecting member is fixed, the top end of the limiting column abuts against the connecting cap.

Further, as an executable solution, the connecting piece has a nut structure, and the fixing groove in the limiting column is provided with an internal thread corresponding to the connecting piece.

Further, as an executable solution, a second shock-absorbing sheet is further provided on the shock-absorbing pad. The second shock-absorbing sheet and the first shock-absorbing sheet are arranged on the sleeve at intervals, and the sleeve passes through during assembly. After the mounting hole, the second shock-absorbing sheet is clamped between the fixing frame and the vibration source.

Further, as an executable solution, the vibration source is a motor or an air pump.

Beneficial effect

By adopting the above technical solution, the present invention can achieve the following technical effects: Compared with the prior art, the shock-absorbing structure is provided with a shock-absorbing pad, and the shock-absorbing pad includes a first shock-absorbing sheet and a hollow sleeve, and the sleeve is inserted In the installation hole of the vibration source, the limit post on the fixing frame is inserted into the sleeve and passes through the installation hole, and the connecting rod with the cap connector extends into the limit post and is fixed to the limit post through the connection part The connecting cap of the connecting piece abuts against the outer side of the first shock-absorbing sheet and cooperates with the vibration source to clamp the first shock-absorbing sheet. The shock-absorbing structure of the utility model realizes shock-absorbing through the first shock-absorbing sheet, and the sleeve is provided to penetrate the mounting hole of the vibration source, avoiding the hidden danger of abnormal sound caused by the contact between the vibration source mounting hole and the capped connector. In addition, the limit post passes through the installation hole to increase the contact area with the shock-absorbing pad, and to limit the dispersion of the vibration received by the limit post, and under the limit action of the limit post, the stroke of the cushioned connector is fixed , So as to ensure that the compression amount of the damping pad is fixed to make the fixing of the motor more stable, to ensure the stability of the stroke, to cancel the fixing piece in the installation process, to simplify the assembly process and improve the installation efficiency.

Description of the drawings

In order to explain the technical solutions in the embodiments of the present utility model more clearly, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings.

Figure 1 shows a schematic diagram of a conventional motor damping structure.

Fig. 2 is a schematic diagram of the shock absorption structure of the embodiment of the present invention.

FIG. 3 shows a schematic cross-sectional view of the shock absorption structure in FIG. 2.

4 and 5 show schematic cross-sectional views of the shock-absorbing pad in FIG. 3.

FIG. 6 is a schematic diagram showing an enlarged structure of the shock-absorbing pad in FIG. 3.

FIG. 7 is a schematic diagram showing the side structure of the shock-absorbing pad in FIG. 3.

The best mode of the present invention

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

The damping and fixing structure of the present invention will be described in detail below in conjunction with the accompanying drawings in the specification.

As shown in Figures 2 and 5, the present invention provides a shock-absorbing and fixing structure for fixing the vibration source 21 on the fixing frame 22. The vibration source 21 is provided with a mounting hole 23, and the fixing frame 22 is A limit post 24 is provided, and also includes a shock-absorbing pad 25 and a connecting piece 26. The connecting piece 26 includes a connecting cap 261 and a connecting rod 262. The size of the connecting cap 261 is larger than that of the connecting rod 262 and larger than that of the mounting hole 23. The connecting cap 261 is arranged at one end of the connecting rod 262, the other end of the connecting rod 262 is provided with a connecting part, the limit post 24 is provided with a fixing groove 241 corresponding to the connecting rod 262, and the shock-absorbing pad 25 includes a hollow The sleeve 251 and the first shock-absorbing sheet 252 provided at one end of the sleeve 251 are made of elastic materials.

As shown in the cross-sectional view of FIG. 3, during assembly, the sleeve 251 is inserted into the mounting hole 23, the limiting post 24 is inserted into the sleeve 251 and passes through the mounting hole 23, and the connecting rod 262 of the connecting piece 26 extends Into the limiting column 24 and fixed with the limiting column 24 by the connecting portion, the connecting cap 261 of the connecting member 26 abuts on the outer side of the first shock-absorbing sheet 252 and cooperates with the vibration source 21 to clamp the The first shock-absorbing sheet 252.

Preferably, the vibration source is a motor or an air pump.

Further, as shown in FIG. 2, the connecting member 26 has a nut structure (such as a cap screw, a pad screw), and the fixing groove 241 in the limiting post 24 is provided with an internal thread corresponding to the connecting member 26. After the connecting member 26 is fixed, the top end of the limiting post 24 abuts against the connecting cap 261.

As shown in Figure 2, the shock absorption structure can be provided with multiple shock absorption sources around the shock absorption source to make the shock absorption source more stable. In this way, shock absorption is achieved by the first shock absorbing sheet, and the sleeve is provided to penetrate the mounting hole of the vibration source, avoiding the hidden danger of abnormal sound caused by the contact between the vibration source mounting hole and the capped connector. In addition, the limit post passes through The mounting hole increases the contact area with the shock absorbing pad, and disperses the vibration received by the limit column. Under the limit of the limit column, the stroke of the pad connecting piece is fixed, thus ensuring the cushion of the shock absorber. The amount of compression is fixed to make the fixing of the motor more stable, to ensure the stability of the stroke, and to cancel the fixing piece during the installation process, so that the assembly process is simplified and the installation efficiency is improved.

Preferably, as shown in FIG. 4, in order to improve the damping effect, the damping pad 25 is further provided with a second damping sheet 253, and the second damping sheet 253 and the first damping sheet 252 are spaced apart from the first damping sheet 252. When the sleeve 251 is assembled, after the sleeve 251 passes through the mounting hole, the second shock-absorbing sheet 253 is clamped between the fixing frame 22 and the vibration source 21. Of course, the second shock-absorbing sheet 253 can also be made of elastic material integrally with the first shock-absorbing sheet 252 and the sleeve 251, which is similar to the structure of the bobbin. The diameter of the shock piece 253 is smaller than the diameter of the first shock piece 252. During assembly, the second shock piece 253 with a smaller diameter is squeezed through the mounting hole 23, so that the connecting piece 26 and the axis of the vibration source 21 (such as a motor) The iron at the place will not be touched, there is no risk of abnormal sound, and the user experience is improved. The cross-sectional view of FIG. 4 is a cross-sectional view taken along the direction of the axis of FIG. 5.

As shown in Figures 4 and 7, in order to further improve the effect of shock absorption, the contact surface of the first shock absorbing sheet 252 and the connecting cap 261 is a serrated surface or a corrugated surface, and the second shock absorbing sheet 253 is connected to the fixing frame. 22 The contact surface is a sawtooth surface or a corrugated surface. The compression amount of the damping pad 25 at different fixed points of the vibration source 21 is controllable, and the vibration source 21 is fixed more stably.

Compared with the prior art, the technical scheme of the utility model is provided with a shock-absorbing pad. The shock-absorbing pad includes a first shock-absorbing sheet and a hollow sleeve. The sleeve is inserted into the installation hole of the vibration source and the fixing frame The upper limit post is inserted into the sleeve and passes through the mounting hole, the connecting rod of the capped connector extends into the limit post and is fixed to the limit post by the connecting part, and the connecting cap of the connector abuts The first shock-absorbing sheet is clamped on the outer side of the first shock-absorbing sheet and in cooperation with the vibration source. The shock-absorbing structure of the utility model realizes shock-absorbing through the first shock-absorbing sheet, and the sleeve is provided to penetrate the mounting hole of the vibration source, avoiding the hidden danger of abnormal sound caused by the contact between the vibration source mounting hole and the capped connector. In addition, the limit post passes through the installation hole to increase the contact area with the shock-absorbing pad, and to limit the dispersion of the vibration received by the limit post, and under the limit action of the limit post, the stroke of the cushioned connector is fixed , So as to ensure that the compression amount of the damping pad is fixed to make the fixing of the motor more stable, to ensure the stability of the stroke, to cancel the fixing piece in the installation process, to simplify the assembly process and improve the installation efficiency.

Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, then this application is also intended to include these modifications and variations.

Claims

A shock-absorbing fixing structure for fixing a vibration source on a fixed frame, characterized in that the vibration source is provided with a mounting hole, the fixing frame is provided with a limit column, and further includes a shock-absorbing pad and a connecting piece. The connecting piece includes a connecting cap and a connecting rod. The connecting cap has a size larger than that of the connecting rod and larger than the diameter of the mounting hole. The connecting cap is arranged at one end of the connecting rod, and the other end of the connecting rod is provided with a connecting part, The limiting column is provided with a fixing groove corresponding to the connecting rod, the shock-absorbing pad includes a hollow sleeve and a first shock-absorbing sheet arranged at one end of the sleeve, the sleeve and the first shock-absorbing sheet are made of elastic material production;

When assembling, the casing is inserted into the mounting hole, the limiting column is inserted into the casing and passing through the mounting hole, and the connecting rod of the connector extends into the limiting column and passes through the connecting portion and the limiting column Fixed, the connecting cap of the connecting piece abuts against the outer side of the first shock-absorbing sheet and cooperates with the vibration source to clamp the first shock-absorbing sheet.

2. The shock-absorbing fixing structure according to claim 1, wherein after the connecting member is fixed, the top end of the limiting column abuts against the connecting cap.

3. The shock-absorbing fixing structure according to claim 1, wherein the connecting member is a nut structure, and the fixing groove in the limiting column is provided with an internal thread corresponding to the connecting member.

4. The shock-absorbing fixing structure according to claim 1, wherein a second shock-absorbing sheet is further provided on the shock-absorbing pad, and the second shock-absorbing sheet and the first shock-absorbing sheet are arranged on the sleeve at intervals. When assembling, after the sleeve passes through the mounting hole, the second shock-absorbing sheet is clamped between the fixing frame and the vibration source.

5. The shock-absorbing and fixing structure according to claim 1, wherein the vibration source is a motor or an air pump.