Speed reduction device

Abstract

The utility model provides a speed reducer which comprises two rubber end plates, a plurality of rubber middle plates are arranged between the two rubber end plates, the lower surfaces of the rubber middle plates are concaved upwards to form first grooves, the lower surfaces of the rubber end plates are concaved upwards to form second grooves matched with the first grooves, and the second grooves are matched with the second grooves. A bottom plate is inserted in a space formed by the two second grooves and the multiple first grooves, a plurality of countersunk head-shaped foundation holes used for installing foundation bolts are evenly formed in the upper surface of the bottom plate, and a plurality of vertical screw holes are evenly formed in the upper surface of the bottom plate; the outer surface of the rubber end plate and the outer surface of the rubber middle plate are each provided with two first counter bores matched with the corresponding vertical screw holes, first connecting screws are inserted into the first counter bores, and the lower ends of the first connecting screws are connected into the vertical screw holes in a threaded mode. The road deceleration strip has the advantages that original foundation bolts do not need to be detached when the road deceleration strip is replaced, and damage points to a road surface are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a speed reducer belongs to municipal road field. BACKGROUND

[0002] Road speed hump is a kind of traffic facilities, mainly used to reduce the speed of vehicle, improve traffic safety. They are usually set in school, hospital, residential area, commercial area and other areas needing to control the speed of vehicle. Speed hump can force the driver to slow down by physical obstacles, thereby reducing the occurrence of traffic accidents. The road speed hump is installed on the road surface by using foundation bolt, which is a common installation method of road speed hump, at this time, the foundation bolt is directly anchored on the road surface, when the road speed hump needs to be replaced due to wear and tear, because the foundation bolt cannot be reused, and the ground will be damaged when the foundation bolt is disassembled, so that the road speed hump cannot be installed at the original position of the road surface, and the road speed hump needs to be moved a distance for installation, which increases the damage points of the road surface, so a speed reducer reducing the damage points of the road surface needs to be designed. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a speed reducer to solve the problems in the background art, which realizes that the original foundation bolt does not need to be disassembled when the road speed hump is replaced, and reduces the damage points of the road surface.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a speed reducer, comprising two rubber end plates, a plurality of rubber intermediate plates are arranged between the two rubber end plates, the lower surface of the rubber intermediate plate is upwardly recessed to form a first recess, the lower surface of the rubber end plate is upwardly recessed to form a second recess matched with the first recess, the end of the second recess away from the other end is closed, and a bottom plate is inserted into the space formed by the two second recesses and a plurality of first recesses, a plurality of countersunk holes for mounting foundation bolts are uniformly arranged on the upper surface of the bottom plate, a plurality of vertical screw holes are uniformly arranged on the upper surface of the bottom plate, two first countersunk holes matched with the corresponding vertical screw holes are arranged on the outer surface of the rubber end plate and the outer surface of the rubber intermediate plate, a first connecting screw is inserted into the first countersunk hole, and the lower end of the first connecting screw is threadedly connected in the vertical screw hole.

[0005] Further, the inner top of each of the first grooves is concave upward to form a first strip-shaped groove, the inner top of each of the second grooves is concave upward to form a second strip-shaped groove, and the first strip-shaped grooves and the second strip-shaped grooves form a channel in which a rib plate is inserted, the rib plate is fixedly connected with the bottom plate, second countersunk holes are formed on the outer surface of the rubber middle plate, a plurality of transverse screw holes are formed on the rib plate and matched with the second countersunk holes, and second connecting screws are inserted into the second countersunk holes and screwed into the transverse screw holes.

[0006] Further, first rounded corners are formed on the two edge portions of the upper surface of the rib plate, and second rounded corners matched with the first rounded corners are formed on the inner top of the first strip-shaped groove and the inner top of the second strip-shaped groove.

[0007] Further, the rib plate and the bottom plate are integrally formed, and the rib plate and the bottom plate are arranged perpendicularly to each other.

[0008] Further, the outer surface of the rubber end plate and the outer surface of the rubber middle plate are concave downward to form two third grooves, and the first countersunk holes are formed in the bottom of the third grooves.

[0009] Further, first anti-skid lines are formed on the outer surface of the rubber end plate, and second anti-skid lines are formed on the outer surface of the rubber middle plate.

[0010] The utility model discloses the beneficial effect of:

[0011] 1. The bottom plate is installed on the road surface by using the foundation screw, then the structure formed by the plurality of rubber middle plates and the two rubber end plates is installed on the bottom plate by using the first connecting screw, at this time, the first connecting screw is screwed into the vertical screw hole on the bottom plate, when it is necessary to replace a certain rubber end plate or rubber middle plate, the corresponding first connecting screw can be replaced after being removed, without the need of removing the foundation bolt for fixing the bottom plate, the reuse of the foundation bolt is realized, and the damage points on the road surface are reduced.

[0012] 2. The rib plate is inserted into the space formed by the first strip-shaped groove and the second strip-shaped groove, then the rubber middle plate and the rib plate are connected by using the second connecting screw, the installation stability of the rubber middle plate is enhanced, and the impact resistance of the rubber middle plate is improved under the support of the rib plate.

[0013] 3. The plurality of rubber middle plates are installed between the two rubber end plates, the worn rubber end plate or rubber middle plate can be replaced individually, without the need of overall replacement, and the replacement cost is reduced. DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 It is a structural schematic view of the speed reducer of the utility model;

[0016] Figure 2 It is an assembly schematic view of the first connecting screw, the second connecting screw and the rubber intermediate plate in the speed reducer of the utility model;

[0017] Figure 3 It is an assembly schematic view of the first connecting screw and the rubber end plate in the speed reducer of the utility model;

[0018] Figure 4 It is a perspective view of the rubber intermediate plate in the speed reducer of the utility model;

[0019] Figure 5 It is a perspective view of the rubber end plate in the speed reducer of the utility model;

[0020] Figure 6 It is an assembly schematic view of the rib plate and the bottom plate in the speed reducer of the utility model;

[0021] In the drawing: 1 - rubber end plate, 2 - bottom plate, 3 - rib plate, 4 - anchor hole, 5 - rubber intermediate plate, 6 - third groove, 7 - first connecting screw, 8 - second countersunk hole, 9 - transverse screw hole, 10 - vertical screw hole, 11 - first slot, 12 - second connecting screw, 13 - first groove, 14 - second slot, 15 - second groove, 16 - first countersunk hole. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] Please refer to Figure 1 The utility model provides a technical scheme: a speed reducer, comprising two rubber end plates 1, a plurality of rubber intermediate plates 5 are arranged between the two rubber end plates 1, the outer surface of the rubber end plate 1 is processed with first anti-skid lines, the outer surface of the rubber intermediate plate 5 is processed with second anti-skid lines, a plurality of rubber intermediate plates 5 are installed between the two rubber end plates 1, which facilitates the replacement of the worn rubber end plate 1 or rubber intermediate plate 5 individually, without the need for overall replacement, thereby reducing the replacement cost.

[0024] Please refer to Figures 1-6, the lower surface of the rubber intermediate plate 5 is concave upward to form a first groove 13, the lower surface of the rubber end plate 1 is concave upward to form a second groove 15 matched with the first groove 13, the distal ends of the two second grooves 15 are closed, and the space formed by the two second grooves 15 and the plurality of first grooves 13 is inserted with the bottom plate 2, the upper surface of the bottom plate 2 is uniformly provided with a plurality of countersunk head-shaped anchor bolt holes 4 for mounting anchor bolts, the upper surface of the bottom plate 2 is uniformly provided with a plurality of vertical screw holes 10, the outer surface of the rubber end plate 1 and the outer surface of the rubber intermediate plate 5 are both provided with two third grooves 6 matched with the corresponding vertical screw holes 10, the inner bottom of the third groove 6 is provided with a first countersunk head hole 16, the first connecting screw 7 is inserted in the first countersunk head hole 16, and the lower end of the first connecting screw 7 is threadedly connected in the vertical screw hole 10; the bottom plate 2 is mounted on the road surface by using the anchor bolt, and then the structure formed by the plurality of rubber intermediate plates 5 and the two rubber end plates 1 is mounted on the bottom plate 2 by using the first connecting screw 7; at this time, the first connecting screw 7 is screwed in the vertical screw hole 10 on the bottom plate 2; when it is necessary to replace a rubber end plate 1 or a rubber intermediate plate 5, the corresponding first connecting screw 7 can be replaced after being removed, without the need to remove the anchor bolt for fixing the bottom plate 2, so that the anchor bolt can be reused, and the damage points on the road surface are reduced.

[0025] Referring to Figures 1-6 , the inner top of the plurality of first grooves 13 is concave upward to form a first strip-shaped groove 11, the inner top of the two second grooves 15 is concave upward to form a second strip-shaped groove 14, and the channel formed by the plurality of first strip-shaped grooves 11 and the two second strip-shaped grooves 14 is inserted with the rib plate 3, wherein the rib plate 3 and the bottom plate 2 are integrally formed, the rib plate 3 and the bottom plate 2 are arranged perpendicular to each other, the two edge portions of the upper surface of the rib plate 3 are both processed with a first round corner, the inner top of the first strip-shaped groove 11 and the inner top of the second strip-shaped groove 14 are both processed with two second round corners matched with the first round corner, the first round corner and the second round corner are matched with each other to reduce the abrasion of the rib plate 3 on the rubber intermediate plate 5, the outer surface of the rubber intermediate plate 5 is provided with two second countersunk head holes 8 arranged in a staggered manner, the rib plate 3 is provided with a plurality of horizontal screw holes 9 matched with the second countersunk head holes 8, the second connecting screw 12 is inserted in the second countersunk head hole 8, one end of the second connecting screw 12 is threadedly connected in the horizontal screw hole 9, the rib plate 3 is inserted in the space formed by the first strip-shaped groove 11 and the second strip-shaped groove 14, and then the rubber intermediate plate 5 and the rib plate 3 are connected by using the second connecting screw 12 to enhance the installation stability of the rubber intermediate plate 5, and meanwhile the impact resistance of the rubber intermediate plate 5 is improved under the support of the rib plate 3.

[0026] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the present specification. In addition, not every embodiment includes every embodiment described in the present specification. The description herein of any embodiment, including any preferred embodiment, is thus intended to be illustrative, and not restrictive. The scope of the present application is thus intended to be broad, and will be set forth in the following claims.

Claims

1. A deceleration device comprising two rubber end plates (1), characterized in that: Two said rubber end plate (1) between a plurality of rubber intermediate plate (5), the lower surface of the rubber intermediate plate (5) upward recessed to form a first recess (13), the lower surface of the rubber end plate (1) upward recessed to form a second recess (15) with the first recess (13) matched, two said second recess (15) away from the end of each is closed, two said second recess (15) and a plurality of first recess (13) form the space in the plug-in bottom plate (2), the upper surface of the bottom plate (2) is evenly provided with a plurality of sink bolt mounting anchor hole (4), the upper surface of the bottom plate (2) is evenly provided with a plurality of vertical screw hole (10), the outer surface of the rubber end plate (1) and the outer surface of the rubber intermediate plate (5) are provided with two corresponding vertical screw hole (10) matched with the first countersunk hole (16), the first countersunk hole (16) is inserted with the first connecting screw (7), the lower end of the first connecting screw (7) is screwed into the vertical screw hole (10).

2. A speed reduction device according to claim 1, characterised in that: A plurality of said first recess (13) in the top is upward recessed to form a first slot (11), two said second recess (15) in the top is upward recessed to form a second slot (14), a plurality of said first slot (11) and two second slot (14) form the channel in the plug-in rib plate (3), the rib plate (3) is connected with the bottom plate (2), the outer surface of the rubber intermediate plate (5) is provided with two second countersunk hole (8) arranged in error, the rib plate (3) is provided with a plurality of horizontal screw hole (9) matched with the second countersunk hole (8), the second countersunk hole (8) is inserted with the second connecting screw (12), one end of the second connecting screw (12) is screwed into the horizontal screw hole (9).

3. A reduction gear as claimed in claim 2, characterised in that: The upper surface of the rib plate (3) is provided with a first fillet at both edge portions, and the top of the first slot (11) and the top of the second slot (14) are provided with two second fillets matched with the first fillet.

4. A speed reduction device according to claim 2, wherein: The rib plate (3) and the bottom plate (2) are integrally formed, and the rib plate (3) and the bottom plate (2) are arranged perpendicular to each other.

5. A speed reduction device according to claim 1, wherein: The outer surface of the rubber end plate (1) and the outer surface of the rubber intermediate plate (5) are downward recessed to form two third recesses (6), and the first countersunk hole (16) is formed in the bottom of the third recess (6).

6. A speed reduction device according to claim 1, wherein: The outer surface of the rubber end plate (1) is provided with a first anti-skid pattern, and the outer surface of the rubber intermediate plate (5) is provided with a second anti-skid pattern.

Images