CN215669113U - Variable speed reducer - Google Patents

Abstract

A variable speed reducer belongs to the field of speed reducers. The device comprises an elastic deceleration strip, a pipeline and a box body; the elastic deceleration strip is characterized in that a cavity is formed in the elastic deceleration strip, one end of the pipeline is communicated with the cavity, the other end of the pipeline is communicated with the box body, liquid is filled in the box body, and the liquid can flow into the cavity through the pipeline. The liquid in the cavity can flow into the box body through the pipeline, and the elastic speed bump is restored to the original state after the vehicle passes by. The device can realize the speed bump altitude mixture control according to the vehicle through-speed automatically, and the speed bump height is lower more slowly to realize higher comfort level and less vehicle loss, also make the driver reduce the speed bump when seeing the speed bump.

Description

Variable speed reducer

Technical Field

The utility model relates to the field of speed reducing devices, in particular to a variable speed reducing device.

Background

In consideration of various factors such as road traffic safety, a deceleration strip needs to be arranged on a road surface, and a common deceleration strip enables a driver to control the motor vehicle to decelerate due to psychological and physiological factors by changing the height, materials and the like of a road section, and forces the motor vehicle to decelerate according to psychological and physiological principles so as to achieve the purpose of safety. In order to adjust the driving feeling and the vehicle loss caused when different vehicle speeds pass through the speed bump, the height of the speed bump needs to be changed along with the vehicle speed. In the existing modification mode of the deceleration strip, a scheme of depending on circuit driving exists, but the circuit driving has the problems of delay, instability and the like; the height of the speed bump is also changed through the structure of the speed bump, but most of the conventional speed bumps with adjustable height have the problems of complex structure, insufficient practicability, easy abrasion and the like.

Chinese patent application No. CN201710474228.8 discloses a height-adjustable liquid-filled speed bump apparatus, which includes a resilient speed bump housing and a plurality of chambers within the speed bump housing; the filling liquid is arranged in the plurality of inner chambers, and the filling liquid in the inner chambers flows among different inner chambers through the connecting pipeline; under different speeds of a vehicle, the amount of the internal cavity pressed to flow to the adjacent cavity is different, and the heights of the cavities are different. But this utility model has some problems, for example the wheel track of different cars is different, will have a wheel to press on the connecting pipe, and another wheel presses the condition on inside cavity, also has two wheels and all presses the condition on the connecting tube, and because the cavity seals, when having the extrusion of many cars, the deceleration strip receives pressure too big, has damaged risk.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the existing products, the utility model provides a variable speed reducer, aiming at solving the defects of the existing speed reducer, and the utility model has simple and stable structure and is easy to observe whether the speed reducer is damaged or not.

The utility model is realized by the following technical scheme:

a variable speed reducer is characterized by comprising an elastic speed reducer, a pipeline and a box body; the elastic deceleration strip is characterized in that a cavity is formed in the elastic deceleration strip, one end of the pipeline is communicated with the cavity, the other end of the pipeline is communicated with the box body, liquid is filled in the box body, and the liquid can flow into the cavity through the pipeline.

The elastic deceleration strip provided by the utility model is elastically deformed when being stressed, so that liquid in the cavity is pressed into the box body. The device can come automatic realization deceleration strip altitude mixture control according to the speed that the vehicle passes through, and the speed of a motor vehicle is slower, and the deceleration strip is highly lower to realize higher comfort level and less vehicle loss, the feedback of the device can let the navigating mate initiatively slow down under the different speed of a motor vehicle. Refer to chinese patent with application number CN201710474228.8, its deceleration strip inside cavity seals, receive the inside pressure surge of deceleration strip behind the pressure, cause the fracture of deceleration strip easily, and inside a plurality of cavities that are communicated with the connecting tube of being used of its deceleration strip, but the wheel base of different cars is different, will have a wheel to press on the connecting tube, the condition on inside cavity is pressed to another wheel, also there are two wheels and all press the condition on the connecting tube, the vehicle probably takes place the slope when passing through the deceleration strip, also can lose the vehicle when bringing the relatively poor driving experience. When the vehicle passes through the elastic speed bump, the two wheels cannot cause the problem that the elastic speed bump is pressed on the connecting pipeline as in the patent, and when the elastic speed bump is pressed, liquid in the cavity can flow into the box body to reduce the pressure in the cavity, so that the elastic speed bump is more durable and can make the riding feel more stable.

Preferably, a part of the pipeline is positioned below the road surface, one end of the part of the pipeline positioned below the road surface is communicated with the cavity, and the other end of the pipeline extends out of the road surface and is communicated with the bottom of the box body.

Preferably, the height of the bottom of the box body relative to the road surface is higher than that of the elastic speed bump relative to the road surface.

Preferably, a valve is arranged on the pipeline.

Preferably, a floating block is arranged in the box body.

Preferably, the box body is provided with a through hole.

Preferably, a liquid level alarm device is arranged inside the box body.

Preferably, the outer surface of the elastic speed bump is provided with concave-convex anti-skid lines.

Preferably, the elastic speed bump has a light reflecting area on the outer surface.

Preferably, the part of the elastic speed bump, which is far away from the cavity, is provided with a fixing hole.

The utility model has the following beneficial effects:

1. the elastic deceleration strip of the device has elasticity, and is favorable for reducing the damage to the wheels.

2. The cavity in the elastic deceleration strip of the device is communicated with the box body through a pipeline, and the elastic deceleration strip can press liquid in the cavity into the box body when being pressurized, so that the cavity is not broken due to overlarge pressure.

3. The liquid level alarm device can remind maintenance personnel of replenishing liquid in time through the alarm sent by the liquid level alarm device, and when the alarm sent by the alarm device is too frequent, the maintenance personnel can be reminded of checking whether the device is damaged or not and leaks night, so that the device is convenient to maintain in time.

4. The speed limit can be adjusted through a valve.

Drawings

Fig. 1 is a schematic view of a variable reduction gear.

In the figure: the device comprises an elastic speed bump 1, a valve 2, a pipeline 3, a box 4, a floating block 5, a through hole 6, a fixing hole 7 and a cavity 8.

Detailed Description

The following specific examples are given by way of illustration only and not by way of limitation, and it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made in the examples without inventive faculty, and yet still be protected by the scope of the claims.

A variable deceleration device, as shown in figure 1, comprises an elastic deceleration strip 1, a pipeline 3 and a box body 4; the elastic deceleration strip 1 is internally provided with a cavity 8, one end of the pipeline 3 is communicated with the cavity 8, the other end of the pipeline is communicated with the box body 4, liquid is filled in the box body 4, and the liquid can flow into the cavity 8 through the pipeline 3.

The bottom of the box body 4 is higher than the height of the elastic deceleration strip 1 relative to the road surface, when a vehicle presses the elastic deceleration strip 1, the elastic deceleration strip 1 is elastically deformed, liquid in the cavity 8 flows back to the box body 4, after the vehicle passes through the elastic deceleration strip 1, the liquid in the box body 4 can flow back to the cavity 8 again under the action of gravity due to the fact that the bottom of the box body 4 is higher than the height of the elastic deceleration strip 1 relative to the road surface, and the elastic deceleration strip 1 is enabled to be rapidly restored to the original shape.

The tank 4 is open at the top. Preferably, the liquid in the box body 4 is water, and the preferable material is convenient to obtain; preferably, an anti-freeze agent is added to the liquid, which is preferable to prevent the device from freezing out when used in cold outdoors. Be equipped with the kicking block 5 in the box 4, the density of kicking block 5 is less than the liquid in the box 4 and can float on the liquid level, kicking block 5 slightly is less than the inner chamber cross-section of box 4 to slow down the evaporation of the open box 4 interior liquid in the top. When raining, because the top of the box body 4 is open and the floating block 5 is smaller than the cross section of the inner cavity of the box body 4, rainwater can flow into the box body 4 through the gap between the inner wall of the box body 4 and the floating block 5 to enable the liquid level to rise so as to supplement the liquid in the box body 4. The upper portion of the side wall of the box body 4 is provided with a through hole 6, when liquid in the box body 4 is higher than the through hole 6, the liquid can be discharged through the through hole 6, so that the liquid level is prevented from rising to the opening at the top of the box body 4 when raining, the floating block 5 floating on the liquid level is separated from the box body 4, and preferably, the distance between the through hole 6 and the opening at the top of the box body 4 is larger than the thickness of the floating block 5. The volume of the tank 4 is large enough to cope with high temperature and rainy weather.

For preventing that the liquid level in the box 4 from crossing excessively, under an embodiment, be provided with the liquid level monitor in the box 4, this liquid level monitor can send out the warning when the liquid height crosses excessively in box 4, can in time discover and supply liquid through the liquid level monitor, can judge whether the device has the seepage through too frequent liquid level warning, convenient in time maintenance. In another embodiment, the side wall of the box 4 has a transparent plastic area, which is beneficial to visually monitor the liquid level in the box 4, so as to supplement the liquid in time, and to check whether the speed reducer has leakage or not by the speed of the liquid level changing height, so as to facilitate the maintenance in time.

One end of the part of the pipeline 3 below the road surface is communicated with the cavity 8, and the other end of the part of the pipeline 3 below the road surface extends out of the road surface and is communicated with the bottom of the box body 4. The above-road portion of the duct 3 is located outside the traffic zone to prevent collisions. Preferably, the connection mode of the pipeline 3 and the elastic speed bump 1 and the connection mode of the pipeline 3 and the box 4 are connected by clamping. The pipeline 3 is provided with a valve 2, preferably, the valve 2 is positioned at the part below the road surface of the pipeline 3, and the valve 2 is positioned below the road surface. Before installation, the speed limit of the variable speed reducer is adjusted by adjusting the valve 2, when the opening degree of the valve 2 is increased, the faster the liquid in the pipeline 3 flows back to the box body 4 when the elastic speed reducer 1 is extruded, the faster the elastic speed reducer 1 deforms, and the lower the height of the variable speed reducer on the road surface is; when the opening degree of the valve 2 is reduced, the lower the speed of the liquid in the pipeline 3 flowing back to the box 4 when the elastic speed bump 1 is squeezed, the slower the elastic speed bump 1 deforms, and the higher the height of the device on the road surface. And waterproof treatment is carried out on the joint of the pipeline 3 and the elastic deceleration strip 1, the joint of the pipeline 3 and the box body 4 and the valve 2, and waterproof glue is covered in the waterproof treatment mode.

The elastic deceleration strip 1 is made of rubber, and the surface of the elastic deceleration strip is provided with concave and convex anti-skid lines so as to increase the friction between the elastic deceleration strip 1 and the wheels and prevent skidding; the surface of the elastic deceleration strip is also subjected to light reflection treatment, preferably, the surface of the elastic deceleration strip 1 is provided with light reflecting strips which are arranged at intervals of yellow and black, and the preference is favorable for enabling the elastic deceleration strip 1 to achieve a striking effect in the day and at night so as to prompt the deceleration of a vehicle.

The area of elasticity deceleration strip 1 keeping away from cavity 8 is equipped with a plurality of fixed orificess 7, fixed orifices 7 internal fixation has the bolt, and this bolt extends into ground to be fixed in elasticity deceleration strip 1 on ground, preferably, expansion bolts is chooseed for use to the bolt, and this is preferred to be favorable to fixing elasticity deceleration strip 1 in the road surface more stably.

The embodiments of the utility model described above and shown in the drawings are to be regarded as examples only and do not limit the utility model. Those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the present disclosure, and such modifications or substitutions are intended to be included within the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and the embodiments of the present invention can be modified or adapted without departing from the principles.

Claims (10)

1. A variable speed reducer is characterized by comprising an elastic speed reducer (1), a pipeline (3) and a box body (4); the elastic deceleration strip (1) is internally provided with a cavity (8), one end of the pipeline (3) is communicated with the cavity (8), the other end of the pipeline is communicated with the box body (4), liquid is filled in the box body (4), and the liquid can flow into the cavity (8) through the pipeline (3).

2. A variable reduction gear according to claim 1, characterized in that a portion of the conduit (3) is located under the road surface, one end of the portion of the conduit (3) located under the road surface communicating with the cavity (8) and the other end extending out of the road surface and communicating with the bottom of the casing (4).

3. A variable reduction gear according to claim 2, characterized in that the height of the bottom of the casing (4) relative to the road surface is higher than the height of the elastic speed bump (1) relative to the road surface.

4. A variable reduction gear according to claim 2, characterized in that the conduit (3) is provided with a valve (2).

5. A variable reduction gear according to claim 1, characterized in that a float (5) is provided in the casing (4).

6. A variable reduction gear according to claim 1, characterized in that the casing (4) is provided with a through hole (6).

7. A variable reduction gear according to claim 1, characterized in that a level alarm is provided inside the tank (4).

8. The variable deceleration device according to claim 1, characterized in that the outer surface of the elastic deceleration strip (1) has an uneven anti-skid texture.

9. A variable deceleration device according to claim 1, characterized in that the elastic deceleration strip (1) has light reflecting areas on its outer surface.

10. A variable deceleration device according to claim 1, characterized in that the portion of the elastic deceleration strip (1) remote from the cavity (8) is provided with fixing holes (7).

Images