CN218581072U

CN218581072U - Stable height-adjusting vibration-damping device for sports floor

Info

Publication number: CN218581072U
Application number: CN202222195194.8U
Authority: CN
Inventors: 罗嘉澍; 吴尚岳; 宋景瑜
Original assignee: China Sports Jianguo Beijing Construction Engineering Co ltd
Current assignee: China Sports Jianguo Beijing Construction Engineering Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-03-07
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to a stable damping device that heightens of sports floor. Aiming at solving the problem of difficult stable height adjustment. The rubber base is fixed on the bottom surface and the rubber top seat is vertically meshed with the spiral steps; the base is a base plate provided with a plurality of vertical holes and is provided with an upward extending circular tube, the top base is a top plate provided with a pair of upward extending limiting lugs at the periphery and is provided with a downward extending circular tube, and the lower end surface of the downward extending circular tube and the upper end surface of the upward extending circular tube are respectively provided with an upper end and a lower end of a spiral step which are engaged up and down and have the radian less than or equal to 360 degrees; the inner periphery of the upper extending round pipe is upwards provided with a limiting round pipe extending into the inner periphery of the lower extending round pipe. The height-adjustable floor has the advantages of convenience in height adjustment, capability of stably supporting the sports floor after height adjustment, no displacement, good vibration reduction performance and convenience in installation and leveling.

Description

Stable height-adjusting vibration-damping device for sports floor

Technical Field

The utility model relates to an outdoor sports floor especially relates to a sports floor's damping device that increases steadily.

Background

The indoor sports ground is high in cost, and the number of the indoor sports ground is far from meeting the increasing requirements of people on the sports ground; although the expensive construction cost of the building stadium is saved in the outdoor sport field, the good field capable of constructing the sport field is more and more scarce, the flatness of the field after arrangement is more and more difficult to guarantee, and in addition, the sport field after construction is more and more easy to generate even and uniform settlement, so that the difficulty in smooth installation and construction is increased, and more burdens are brought to the smooth maintenance of the sport floor in operation. In addition, the indoor sports floor has the problems that the indoor sports floor is not easy to stably heighten and has insufficient damping performance in use in the installation and construction.

A floor support device is known from patent No. CN213297007U. The device comprises an upper supporting block, a supporting structure and a limiting structure, wherein the upper supporting block is positioned at the upper end of a lower supporting block; the supporting structure comprises an upper adjusting cylinder, a rotating block and a lower supporting block, the lower end of the upper supporting block is movably provided with the upper adjusting cylinder, the inner side wall of the upper adjusting cylinder is in threaded connection with the annular surface of a lower adjusting screw rod, the bottom of the lower adjusting screw rod is fixedly connected with the top of the lower supporting block, and the annular surface at the lower end of the upper adjusting cylinder is fixedly connected with the inner side wall of the rotating block; limit structure includes blotter, separation blade and round bar, the top of going up the supporting block is provided with the blotter, just go up the supporting block top and seted up four recesses, four all install the separation blade in the recess, the bottom of separation blade and the top fixed connection of round bar, coil spring has been cup jointed on the clitellum of round bar, just the bottom of round bar is connected with the top of round plate, the round plate is located the lower extreme of supporting block. The lower supporting block is a rectangular base or a circular base, and the diameters of the rectangular base and the circular base are smaller than or equal to the diameter of the upper supporting block. Internal threads and external threads are respectively formed in the inner side wall of the upper adjusting cylinder and the annular surface of the lower adjusting screw rod, a connecting block is arranged at the top of the upper adjusting cylinder, the annular surface of the connecting block is fixedly connected with the inner side wall of the bearing, and the bearing is embedded in the inner side wall of the upper supporting block. Bolt holes are formed in the lower supporting block and the upper supporting block. Four rectangular through holes are formed in the buffer pad. The lower end of the groove is provided with a circular through hole, and the inner side wall of the circular through hole is in sliding connection with the annular surface of the circular rod. However, the screw connection relationship between the lower adjusting screw rod and the upper adjusting cylinder still has the defects that relative rotation and displacement are easy to occur under the motion vibration, so that sedimentation is caused, and the height cannot be stably adjusted.

Disclosure of Invention

The utility model aims to overcome the above-mentioned defect of prior art, provide a damping device is increaseed in sports floor's stability.

In order to achieve the purpose, the stable heightening and vibration damping device of the sports floor is characterized by comprising a rubber base fixed on the bottom surface and a rubber top seat vertically meshed with a spiral step of the rubber base; the base is a chassis provided with a plurality of vertical holes and is provided with an upward extending circular tube, the footstock is a footstock provided with an upward extending limiting double lug at the periphery and is provided with a downward extending circular tube, and the lower end surface of the downward extending circular tube and the upper end surface of the upward extending circular tube are respectively provided with an upper end and a lower end of a spiral step which are engaged up and down and are less than or equal to 360 degrees; the inner periphery of the upper extending round pipe is upwards provided with a limiting round pipe extending into the inner periphery of the lower extending round pipe. Thus, the rubber base top seat can obviously enhance the vibration reduction effect. Relative forward and reverse rotation base footstock, the base footstock just can realize the adjustment of base footstock interval through the transform of heliciform step upper and lower meshing part, and then realizes the height-adjusting of this vibration damper. In addition, a rubber base for fixing on the bottom surface, through fixing on the bottom surface, and realize the firm of base, the periphery is established and is stretched spacing ears's top dish and more enable fossil fragments and stably put on the top dish, realizes firm upper support. Therefore, the movable floor has the advantages of convenient height adjustment, stable support of the movable floor after the height adjustment, no displacement, good vibration reduction performance and more convenient installation and leveling.

Preferably, the table tops of the steps are inclined table tops which are inclined along the spiral arc from bottom to top, and the vertical surfaces of the steps between the adjacent table tops are vertical surfaces or inclined vertical surfaces which are inclined along the spiral arc from bottom to top. Thus, the lifting is easy and the sliding is not caused. When the spiral arc is an inclined vertical plane which inclines from bottom to top to front along the spiral arc, the anti-gliding performance is good; when the vertical surface is adopted, the height can be conveniently adjusted.

Preferably, the chassis is upwards provided with an upward extending limiting circular tube, the upper end surface of the peripheral part of the upward extending limiting circular tube is provided with a spiral step lower end less than or equal to 360 degrees, and the inner peripheral part of the upward extending limiting circular tube extends into the limiting circular tube extending into the inner periphery of the downward extending circular tube. Like this, the end seat structural strength is higher, and the holding power is stronger.

As optimization, the outer periphery of the limiting circular tube is in clearance fit with the inner periphery of the downward extending circular tube, so that the limiting circular tube can limit and adapt to micro vibration.

As optimization, the wall thickness of the up-and-down extending circular tube is more than three times of that of the limiting circular tube, and the stability and support performance is good. A plurality of perpendicular holes extend pipe outlying chassis periphery circumference evenly distributed at last, like this, conveniently utilize the crab-bolt to fix.

As optimization, the relative outer side part of the top plate is outwards provided with a pair of ear supports, and the outer part of each ear support is upwards provided with an upward extending limiting ear. The supporting surface for the keel is wide.

As optimization, an ear support upper end face which is parallel to the upper end face of the top disc is arranged between the upward extending limiting ear and the top disc. Is beneficial to expanding the width of the supporting surface.

As optimization, the upper extending round pipe is sleeved between the periphery of the limiting round pipe and the upper surface of the chassis in a sliding manner.

Preferably, the chassis consists of an upper chassis and a lower chassis which are circumferentially matched in a sliding manner, the upper chassis is a lower circular chassis, the upper extending circular tube is upwards formed, and the lower chassis is a lower circular chassis or the lower circular chassis is upwards provided with the limiting circular tube. Therefore, the support is large in area, the support quality is good, and the resistance is small when the height is adjusted.

As optimization, the upper chassis and the lower chassis are respectively provided with a plurality of vertical holes which are uniformly distributed in the circumferential direction. The vertical hole of the lower chassis is used for installing an anchor bolt for fixedly penetrating the bottom surface, and the vertical hole of the upper chassis is used for inserting a rotary spanner or other tools, so that the rotary adjustment is convenient.

After the technical scheme is adopted, the utility model discloses sports floor's stable damping device that increases has the convenient height that increases, can also be to sports floor stable stay, can not shift after increasing, and the damping performance is good, the more advantage of making level easy to assemble.

Drawings

Fig. 1-3 are schematic structural views of the first, second and third embodiments of the stable heightening and vibration damping device of the sports floor of the present invention, respectively.

Detailed Description

In the first embodiment, as shown in fig. 1, the stable height-adjusting and vibration-damping device of the sports floor of the present invention is composed of a rubber base fixed on the bottom surface and a rubber top base vertically engaged with the spiral step 3; the base is a chassis 1 provided with a plurality of vertical holes 11 and is provided with an upward extending circular tube 10, the top base is a top plate 2 provided with a pair of upward extending limiting lugs 22 at the periphery and is provided with a downward extending circular tube 20, and the lower end face of the downward extending circular tube 20 and the upper end face of the upward extending circular tube 10 are respectively provided with an upper end and a lower end of a spiral step 3 which are engaged up and down and are less than or equal to 360 degrees; the inner periphery of the upper extending round tube 10 is upwards provided with a limiting round tube 30 extending into the inner periphery of the lower extending round tube 20. Thus, the rubber base top seat can obviously enhance the vibration reduction effect. Relative to the forward and backward rotation of the base top seat, the base top seat can realize the adjustment of the distance between the base top seats through the transformation of the upper and lower meshing parts of the spiral steps, thereby realizing the height adjustment of the vibration damper. In addition, a rubber base for fixing on the bottom surface, through fixing on the bottom surface, and realize the firm of base, the periphery is established and is stretched spacing ears's top dish and more enable fossil fragments and stably put on the top dish, realizes firm upper support. Therefore, the movable floor has the advantages of convenient height adjustment, stable support for the movable floor after height adjustment, no displacement, good vibration reduction performance and more convenient installation and leveling.

The table tops of the steps are inclined table tops which are inclined along the spiral arc from bottom to top, and the vertical surfaces of the steps between the adjacent table tops are inclined vertical surfaces which are inclined along the spiral arc from bottom to top, so that the anti-sliding performance is good; the height can also be adjusted conveniently by a vertical surface. The chassis 1 is upwards provided with an upward extending limiting circular tube, the upper end surface of the peripheral part of the upward extending limiting circular tube is provided with a lower end of a spiral step 3 which is less than or equal to 360 degrees, and the inner peripheral part of the upward extending limiting circular tube extends into a limiting circular tube 30 which extends into the inner periphery of a downward extending circular tube 20. The outer periphery of the limit circular tube 30 is in clearance sliding fit with the inner periphery of the downward extending circular tube 20. The wall thickness of the up-and-down extending

circular tubes

10 and 20 is three times larger than that of the limiting circular tube 30. The plurality of vertical holes 11 are uniformly distributed on the periphery of the chassis 1 at the periphery of the upper extending circular tube 10.

The opposite outer side parts of the top plate 2 are provided with a pair of ear supports 21 outwards, and the outer parts of the ear supports 21 are provided with upwards extending limit ears 22 upwards. An upper end face of the ear support 21 which is flush with the upper end face of the top disc 2 is arranged between the upper extending limiting ear 22 and the top disc 2.

Second embodiment, as shown in fig. 2, the difference between the stable heightening and vibration damping device of the sports floor of the present invention and the first embodiment is: an upward extending circular tube 10 is formed on a base plate 1 provided with a plurality of vertical holes 11, a downward extending circular tube 20 is formed on a top plate 2 provided with a pair of upward extending limiting lugs 22 at the periphery of the top base, and the upper end and the lower end of a spiral step 3 which is meshed up and down and is less than or equal to 360 degrees are respectively arranged on the lower end surface of the downward extending circular tube 20 and the upper end surface of the upward extending circular tube 10; the inner circumference of the upper extending round tube 10 is upwards provided with a limit round tube 30 extending into the inner circumference of the lower extending round tube 20. The improvement is that an upper extending round pipe 10 is sleeved between the periphery of a limiting round pipe 30 and the upper surface of the chassis 1 in a sliding manner. The circumferential sliding fit seam between the upward extending circular tube 10 and the chassis 1 is marked with 16 in the figure.

Third embodiment, as shown in fig. 3, the difference between the stable heightening and vibration damping device of the sports floor of the present invention and the first embodiment is: the chassis 1 is composed of an upper chassis 18 and a lower chassis 19 which are matched in a circumferential sliding mode, the upper chassis 18 is a lower circular chassis and is provided with the upward extending circular tube 10, and the lower chassis 19 is a lower circular chassis or is provided with the upward limiting circular tube 30. The upper chassis 18 and the lower chassis 19 are respectively provided with a plurality of vertical holes 11 which are evenly distributed in the circumferential direction.

In a word, the utility model discloses sports floor's stable damping device that increases has the convenient height-adjusting, can also to sports floor stabilizing support, can not shift after increasing, and the damping performance is good, the more advantage of easy to assemble making level.

Claims

1. A stable height-adjusting and vibration-damping device for sports floors is characterized by comprising a rubber base fixed on the bottom surface and a rubber top base vertically meshed with spiral steps of the rubber base; the base is a base plate provided with a plurality of vertical holes and is provided with an upward extending circular tube, the top base is a top plate provided with a pair of upward extending limiting lugs at the periphery and is provided with a downward extending circular tube, and the lower end surface of the downward extending circular tube and the upper end surface of the upward extending circular tube are respectively provided with an upper end and a lower end of a spiral step which are engaged up and down and have the radian less than or equal to 360 degrees; the inner periphery of the upper extending round pipe is upwards provided with a limiting round pipe extending into the inner periphery of the lower extending round pipe.

2. A stable height-regulating and vibration-damping device for sports floor as claimed in claim 1, wherein the step surface of the step is an inclined surface inclined from bottom to top along a spiral arc, and the step vertical surface between adjacent step surfaces is a vertical surface or an inclined vertical surface inclined from bottom to top along a spiral arc.

3. A stable height-regulating and vibration-damping device for sports floor as claimed in claim 1, wherein the chassis is formed upward with an upward extending limiting circular tube, the upper end surface of the peripheral part of the upward extending limiting circular tube is provided with a spiral step lower end less than or equal to 360 °, and the inner peripheral part of the upward extending limiting circular tube extends into the limiting circular tube extending into the inner periphery of the downward extending circular tube.

4. A stable height-regulating and vibration-damping device for sports floor as claimed in claim 3, wherein the outer periphery of the limit circular tube is in clearance fit with the inner periphery of the downward extending circular tube.

5. A stable height-regulating and vibration-damping device for sports floor as claimed in claim 1, wherein the wall thickness of the up-and-down extending circular tube is three times greater than that of the limiting circular tube, and the plurality of vertical holes are uniformly distributed on the periphery of the base plate at the periphery of the up-and-down extending circular tube.

6. A stable height-adjusting and vibration-damping device for sports floors as claimed in claim 1, wherein a pair of ear supports are formed outwardly from opposite outer sides of the top plate, and an upward extending limit ear is formed upwardly from the outer side of the ear supports.

7. A stable height-adjusting and vibration-damping device for sports floor as claimed in claim 5, wherein the upper end surface of the ear support is flush with the upper end surface of the top plate between the upper-extending limiting ear and the top plate.

8. A stable height-regulating and vibration-damping device for sports floor as claimed in claim 1, wherein the upper extending circular tube is slidably fitted between the outer circumference of the limiting circular tube and the upper surface of the bottom plate.

9. A stable height-regulating vibration-damping device for sports floor as claimed in claim 1, wherein the base plate is composed of upper and lower base plates which are arranged in a sliding manner in the circumferential direction, the upper base plate is a lower circular base plate and is provided with said upward extending circular tube, and the lower base plate is a lower circular base plate or the lower circular base plate is provided with said upward limiting circular tube.

10. A stable height-adjusting and vibration-damping device for sports floors as claimed in claim 9, wherein the upper chassis and the lower chassis are respectively provided with a plurality of vertical holes uniformly distributed in the circumferential direction.