CN114013792B

CN114013792B - Multilayer vertical dumbbell stores frame

Info

Publication number: CN114013792B
Application number: CN202111463463.8A
Authority: CN
Inventors: 李海燕; 宗国兵; 刘子瓅; 李汉波
Original assignee: NANTONG BAOPENG FITNESS EQUIPMENT TECHNOLOGY CO LTD
Current assignee: NANTONG BAOPENG FITNESS EQUIPMENT TECHNOLOGY CO LTD
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2023-04-28
Anticipated expiration: 2041-12-02
Also published as: CN114013792A

Abstract

The invention relates to the field of storage of body-building equipment, in particular to a multi-layer vertical dumbbell storage rack, which comprises a seat plate, support plates and a storage mechanism, wherein two groups of support plates are symmetrically arranged at the left and right of the lower end of the seat plate, each group of support plates comprises two support plates, the lower end surfaces of the support plates are in contact with the ground, the upper ends of the support plates incline towards the center of the seat plate, the storage mechanism is arranged between the support plates which are opposite front and back, and the storage mechanism comprises a clamping shaft, a connecting plate, a longitudinal plate, a return plate, a reinforcing plate, a first ear plate, a clamping plate, an ear seat, a transverse plate, a limiting shaft, a first expansion plate and a bottom plate; the invention adopts the design concept that the dumbbell can be adjusted according to the volume of the dumbbell, so that the dumbbell can be suitable for dumbbell rods with different diameters, the type range of the dumbbell which can be stored by the multi-layer vertical dumbbell storage rack is further enlarged, and meanwhile, the dumbbell can be adaptively adjusted according to the integral volume change of the dumbbell.

Description

Multilayer vertical dumbbell stores frame

Technical Field

The invention relates to the field of storage of fitness equipment, in particular to a multi-layer vertical dumbbell storage rack.

Background

The dumbbell consists of a dumbbell rod and a dumbbell sheet, is a simple device for strengthening muscle strength training, is mainly made of cast iron, is wrapped with a layer of rubber, is used for muscle strength training and muscle compound action training, is used for patients with low muscle strength caused by exercise paralysis, pain, long-term inactivity and the like, is hand-held, and can be used for resisting active exercise and training muscle strength by utilizing the weight of the dumbbell.

In the case of directly placing a dumbbell on the ground, the dumbbell easily rolls, and thus the dumbbell is generally used in combination with the dumbbell storage rack. The existence of the dumbbell storage rack is convenient for the dumbbell to be placed fast and safely after the dumbbell is used, meanwhile, the damage to the ground or the floor caused by the dumbbell can be avoided, and the following problems can occur in the use process of the common dumbbell storage rack: because the whole volume of dumbbell storage frame is fixed thereby leads to being inconvenient for carrying out real-time adjustment's problem according to the place space, simultaneously dumbbell storage frame is the structure that non-combination can be regulated and control to only current dumbbell storage frame can store the dumbbell of fixed shape or volume, makes the holistic practicality of dumbbell storage frame lower.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multi-layer vertical dumbbell storage rack which comprises a seat plate, support plates and a storage mechanism, wherein two groups of support plates are symmetrically arranged at the left and right of the lower end of the seat plate, each group of support plates comprises two support plates, the lower end faces of the support plates are in contact with the ground, the upper ends of the support plates incline towards the center of the seat plate, and the storage mechanism is arranged between the support plates which are opposite to each other.

The storage mechanism comprises a clamping shaft, a connecting plate, a longitudinal plate, a return plate, a reinforcing plate, a first lug plate, clamping plates, lug holders, a transverse plate, a limiting shaft, a first telescopic plate and a bottom plate, wherein connecting grooves are formed in the supporting plate at intervals from top to bottom, the clamping shaft is clamped in the connecting grooves and is of a telescopic structure, the connecting plates are arranged on fixed sections of the clamping shaft and are located between the front-back opposite supporting plates, the longitudinal plate is arranged between the front-back opposite connecting plates, the connecting plates are symmetrically arranged left and right, the return plate is arranged on the side ends of the connecting plates back to the longitudinal plate, the reinforcing plate is arranged in the return plate in a sliding mode, the first lug plate is arranged on the upper end face of the longitudinal plate at equal distance from top to bottom, the lug holders are arranged between the first lug plates in a left-right opposite mode through pin shafts in a rotating mode, the transverse plates are connected between the lug holders in a left-right opposite mode, the limiting shaft is clamped between the front-back opposite transverse plates and adjacent transverse plates, the reinforcing plate is arranged on the rear end of the longitudinal plate in a sliding mode, and the telescopic plate is arranged on the bottom plate is arranged on the upper end of the telescopic plate.

The first preferred technical scheme is as follows: the upper end of backup pad around symmetry through the round pin axle rotate and install the plate, the upper end of plate and the lower terminal surface fixed connection of bedplate, the symmetry is installed No. two otic placodes around the lower extreme of the opposite face of the just opposite backup pad about, no. two expansion plates have been arranged between the lower extreme of the just opposite backup pad about, no. two expansion plates's side and the position correspond No. two otic placodes between rotate through the round pin axle to be connected, no. two expansion plate fixed section's right-hand member and No. two expansion plate section's left end all leave from a left side to right equidistance and are equipped with a through-hole, the joint has the clamping lever between the corresponding No. one through-hole of position.

And the second preferred technical scheme is as follows: the middle part of the upper end surface of the seat board is provided with a rectangular through groove, rectangular plates are placed in the rectangular through groove from front to back at equal distance, and the rectangular plates are close to the lower end of the seat board.

And the preferred technical scheme is as follows: u-shaped blocks are symmetrically arranged on the front side and the rear side of the rectangular through groove, the lower ends of the U-shaped blocks are clamped at the upper ends of the seat plates, and the U-shaped blocks are symmetrically distributed left and right.

The preferable technical scheme is as follows: and a third ear plate is symmetrically arranged at the lower end of the left end face of the support plate at the left side of the second telescopic plate, a rolling shaft is rotatably arranged between the side ends of the third ear plate, which are far away from the support plate, through pin shafts, and the rolling shaft is positioned above the lower end face of the support plate.

The preferable technical scheme is as follows: the vertical section of U type piece from last equidistance down leave and be equipped with the card and put through the groove, the joint has the limiting plate between the card that the position corresponds on the same U type piece put through the groove.

The preferable technical scheme is as follows: the fixed section of the clamping shaft is rotationally connected with the connecting plate.

The preferred technical scheme is as follows: the front of the first expansion plate is symmetrically provided with rubber strips, the rubber strips are arranged on the upper end face of the longitudinal plate, the rubber strips are distributed at equal intervals from front to back, and the rubber strips are located between the clamping plates.

The eighth preferred technical scheme is as follows: the left and right inner side walls of the rectangular through groove are symmetrically provided with sliding grooves, and the side ends of the rectangular plate are in sliding connection with the sliding grooves.

The invention has the following beneficial effects: 1. the multi-layer vertical dumbbell storage rack designed by the invention adopts the design concept that the dumbbell storage rack can be adjusted according to the volume of the dumbbell, is integrally applicable to dumbbell rods with different diameters, further expands the range of the storable dumbbell, and can be adjusted adaptively according to the integral volume change of the dumbbell.

2. The distance between the seat board and the ground is adjusted by adjusting the opening angle between the support plates, so that the overall height and the occupied area of the multi-layer vertical dumbbell storage rack can be adjusted according to the actual installation requirement and the size of the installation space, and the multi-layer vertical dumbbell storage rack can be used more reasonably.

3. The U-shaped block can be suitable for storing large-size dumbbell, and the U-shaped block and the seat plate are connected in a clamping manner, so that occupied space is reduced to the greatest extent when the dumbbell storage rack is stored.

4. The limiting plate can limit the large-volume dumbbell, and the phenomenon that the large-volume dumbbell falls off from the U-shaped block during the process of manually pushing the multi-layer vertical dumbbell storage rack is avoided.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the invention with a dumbbell stored therein.

Fig. 2 is a front view (from front to back) of fig. 1.

Fig. 3 is a cross-sectional view taken along A-A of fig. 2.

Fig. 4 is a B-B cross-sectional view of fig. 2.

Fig. 5 is an enlarged view of reference numeral X in fig. 4.

Fig. 6 is a perspective view of a seat plate and a structure to which the seat plate is attached.

Fig. 7 is a schematic perspective view of the connection plate and the structure to which the connection plate is connected.

In the figure: 1. a seat plate; 10. a rectangular plate; 11. a U-shaped block; 12. a limiting plate; 2. a support plate; 20. a plate; 21. a second ear plate; 22. a second expansion plate; 23. a clamping rod; 24. a third ear plate; 25. a roller; 3. a storage mechanism; 30. a clamping shaft; 31. a connecting plate; 32. a longitudinal plate; 33. a return plate; 34. a reinforcing plate; 35. a first ear plate; 36. a clamping plate; 37. an ear seat; 38. a cross plate; 39. a limiting shaft; 390. a first expansion plate; 391. a bottom plate; 392. rubber strips.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, a multi-layer vertical dumbbell storage rack comprises a seat board 1, support boards 2 and a storage mechanism 3, wherein two groups of support boards 2 are symmetrically arranged at the left and right of the lower end of the seat board 1, each group of support boards comprises two support boards 2, the lower end faces of the support boards 2 are in contact with the ground, the upper ends of the support boards 2 incline towards the center of the seat board 1, and the storage mechanism 3 is arranged between the support boards 2 which are opposite front and back.

Referring to fig. 1 and 6, a rectangular through groove is formed in the middle of the upper end surface of the seat board 1, a rectangular plate 10 is placed in the rectangular through groove from front to back at equal distance, the rectangular plate 10 is close to the lower end of the seat board 1, and the storage function of the dumbbell with small volume can be realized by using the rectangular plate 10, and the specific operation steps are as follows: the dumbbell bar of the small-volume dumbbell is lapped on the rectangular plate 10 in a manual mode, so that the limit function of the small-volume dumbbell is realized.

Referring to fig. 6, the left and right inner side walls of the rectangular through groove are symmetrically provided with sliding grooves, the side ends of the rectangular plates 10 are slidably connected with the sliding grooves, and the distance between the adjacent rectangular plates 10 can be adjusted according to the total length of the dumbbell with small volume.

Referring to fig. 6, the front and rear sides of the rectangular through groove are symmetrically provided with the U-shaped blocks 11, the lower ends of the U-shaped blocks 11 are clamped at the upper end of the seat board 1, the U-shaped blocks 11 at the same side are symmetrically distributed left and right, when a large-size dumbbell needs to be stored, the U-shaped blocks 11 are clamped at corresponding positions at the upper end of the seat board 1 in a manual mode, then dumbbell rods of the large-size dumbbell are lapped between the left and right adjacent U-shaped blocks 11, and the purpose of the U-shaped blocks 11 and the seat board 1 in a clamping connection mode is to furthest reduce occupied space when the dumbbell storage rack is stored.

Referring to fig. 6, the vertical section of the U-shaped block 11 is provided with a clamping groove from top to bottom at equal intervals, a limiting plate 12 is clamped in the clamping groove, after the large-volume dumbbell is placed on the U-shaped block 11, the limiting plate 12 is clamped between the two clamping grooves opposite to each other according to the diameter of the dumbbell rod of the large-volume dumbbell, so that the distance between the limiting plate 12 and the dumbbell rod of the large-volume dumbbell is minimized, the limiting plate 12 can limit the large-volume dumbbell, and the situation that the large-volume dumbbell falls off from the U-shaped block 11 during the process of manually pushing the multi-layer vertical dumbbell storage rack is avoided.

Referring to fig. 1, fig. 3, fig. 4 and fig. 7, the storage mechanism 3 includes a clamping shaft 30, a connecting plate 31, a longitudinal plate 32, a return plate 33, a reinforcing plate 34, a first ear plate 35, a clamping plate 36, an ear seat 37, a transverse plate 38, a limiting shaft 39, a first telescopic plate 390 and a bottom plate 391, wherein connecting grooves are formed in the supporting plate 2 at equal intervals from top to bottom, the clamping shaft 30 is in a telescopic structure in the connecting grooves, the connecting plate 31 is arranged between the front and rear supporting plates 2, the longitudinal plate 32 is arranged between the front and rear connecting plates 31, the longitudinal plate 32 is symmetrically arranged left and right, the side end of the connecting plate 31, opposite to the longitudinal plate 32, is provided with the return plate 33, the reinforcing plate 34 is arranged in a sliding manner in the return plate 33, one end of the reinforcing plate 34, which is far away from the return plate 33, is in clamping connection with the side end of the supporting plate 2, a first ear plate 35 is equidistantly arranged from top end face from front to back, a pin roll pin 35 is arranged between the first ear plate 35 which is right and left and right, the front and right opposite to front, the front end of the clamping plate 36 is arranged between the opposite to the opposite end of the transverse plate 39 is arranged between the front and the opposite end of the transverse plate 39, the opposite to the front and the opposite end of the transverse plate 39 is arranged between the front and the opposite end of the transverse plate 39, and the opposite end of the longitudinal plate 39 is arranged between the opposite to the front and the front end of the telescopic plate 39.

The dumbbell with moderate volume is placed between the adjacent clamping plates 36 by manual mode, the dumbbell rod is supported on the transverse plates 36, then the clamping plates 36 are rotated towards the dumbbell rod by manual mode until the clamping plates 36 clamp the dumbbell rod, then the ear seat 37 is rotated to keep the dumbbell rod in a vertical state, the ear seat 37 drives the transverse plates 38 to synchronously move, the first telescopic plate 390 is stretched, the limiting shaft 39 moves to a corresponding position along with the first telescopic plate 390 synchronously, then the limiting shaft 39 is pushed towards the dumbbell direction by manual mode until the limiting shaft 39 is clamped on the transverse plates 38, at this time, the dumbbell is fixed, the storage of a plurality of dumbbell rods with moderate volume is completed according to the steps, the clamping plates 36 are arranged to be rotatable, the advantages that the clamping plates 36 are suitable for dumbbell rods with different diameters, the storable dumbbell range of the multi-layer dumbbell storage rack is enlarged, before the dumbbell is stored, the clamping shaft 30 is contracted by manual mode until the telescopic section of the clamping shaft 30 is separated from the supporting plate 2, then the connecting plate 31 and the longitudinal plates 32 are synchronously moved to the corresponding position after the reinforcing plate 34 is pulled out, the connecting plate 31 and the longitudinal plates 32 are integrally moved to the corresponding position, the clamping shaft 31 is pulled back to the corresponding position is pulled to the corresponding position of the clamping shaft 30, the corresponding clamping plate 31 is completely matched with the corresponding position of the connecting plate 32, the whole connecting plate is completely and the connecting plate is fixed, the whole connecting plate is adjusted, the whole distance between the connecting plates is adjusted, and the connecting plate is fixed by the corresponding connecting plate is fixed, and the connecting plate is fixed by the corresponding connecting plate and the connecting plate and the connecting plate is 32 is mounted.

Referring to fig. 1 and 7, the fixing section of the clamping shaft 30 is rotationally connected with the connecting plate 31, the reinforcing plate 34 is pulled out manually, then the connecting plate 31 is rotated downwards, at this time, the whole volume of the multi-layer vertical dumbbell storage rack is reduced, and the storage space occupied by the whole multi-layer vertical dumbbell storage rack is further reduced.

Referring to fig. 7, the first expansion plate 390 is symmetrically provided with a rubber strip 392, the rubber strip 392 is mounted on the upper end surface of the vertical plate 32, the rubber strip 392 is equidistantly arranged from front to back, the rubber strip 392 is located between the clamping plates 36, and the rubber strip 392 can increase the friction between the dumbbell rod and the vertical plate 32, so that the overall stability of the dumbbell can be improved.

Referring to fig. 1, 2 and 6, the upper end of the support plate 2 is rotationally and symmetrically provided with a plate 20 through a pin shaft, the upper end of the plate 20 is fixedly connected with the lower end face of the seat plate 1, the lower end of the opposite face of the support plate 2 which is right and left opposite is rotationally and symmetrically provided with a second ear plate 21, a second expansion plate 22 is arranged between the lower ends of the support plate 2 which is right and left opposite, the side end of the second expansion plate 22 is rotationally connected with the second ear plate 21 corresponding to the position through the pin shaft, the right end of the fixed section of the second expansion plate 22 and the left end of the expansion section of the second expansion plate 22 are respectively provided with a first through hole from left to right at equal distance, a clamping rod 23 is clamped between the first through holes corresponding to the positions, before storing the dumbbell, the clamping rod 23 is pulled out through a manual mode, the second expansion plate 22 is stretched or contracted by a corresponding distance, then the clamping rod 23 is reinstalled so that the second expansion plate 22 can not be stretched or contracted any more, along with the stretching of the second expansion plate 22, the opening angle of the support plate 2 which is arranged left and right is increased, the distance between the seat plate 1 and the ground is reduced, along with the contraction of the second expansion plate 22, the opening angle of the support plate 2 which is arranged left and right is gradually reduced, and the distance between the seat plate 1 and the ground is increased, so that the whole height and the occupied area of the multi-layer vertical dumbbell storage rack can be adjusted according to the actual installation requirement and the size of an installation space, and the multi-layer vertical dumbbell storage rack can be more reasonably used.

Referring to fig. 1, the lower end of the left end face of the support plate 2 on the left side of the second expansion plate 22 is provided with the third ear plate 24 in a front-back symmetrical manner, the side end, far away from the support plate 2, of the third ear plate 24 is provided with the rolling shaft 25 in a rotating manner through a pin shaft, the rolling shaft 25 is located above the lower end face of the support plate 2, the support plate 2 on the right end of the seat plate 1 is lifted upwards manually to enable the rolling shaft 25 to be in contact with the ground, and then the dumbbell storage rack is pushed to a proper position integrally in a manual manner under the condition that the dumbbell storage rack is kept inclined.

When the multilayer vertical dumbbell storage rack is used, in the first step, the whole body moves: the supporting plate 2 at the right end of the seat plate 1 is lifted upwards by a manual mode to enable the rolling shaft 25 to be in contact with the ground, and then the dumbbell storage rack is integrally pushed to a proper position by a manual mode under the condition that the dumbbell storage rack is kept inclined.

Second, overall adjustment: the clamping rod 23 is pulled out in a manual mode, the second expansion plate 22 is stretched or contracted by a corresponding distance, the clamping rod 23 is reinstalled to enable the second expansion plate 22 to be not stretched or contracted any more, the opening angle of the support plate 2 arranged left and right is increased along with the stretching of the second expansion plate 22, the distance between the seat plate 1 and the ground is reduced, the opening angle of the support plate 2 arranged left and right is gradually reduced along with the shrinking of the second expansion plate 22, and the distance between the seat plate 1 and the ground is increased, so that the whole height and the occupied area of the multi-layer vertical dumbbell storage rack can be adjusted according to the actual installation requirements and the size of the installation space, and the multi-layer vertical dumbbell storage rack can be used more reasonably.

Thirdly, locally adjusting: the clamping shaft 30 is contracted manually until the telescopic section of the clamping shaft 30 is separated from the supporting plate 2, then the whole of the connecting plate 31 and the longitudinal plate 32 is lifted after the reinforcing plate 34 is pulled out, then the whole of the connecting plate 31 and the longitudinal plate 32 is moved to a proper position, the clamping shaft 30 is stretched again to clamp the telescopic section of the clamping shaft in the connecting through groove at the corresponding position, the connecting plate 31 is initially fixed, and the reinforcing plate 34 is reinstalled to completely fix the connecting plate 31.

Fourth, storing dumbbell: the dumbbell with moderate volume is placed between the adjacent clamping plates 36 in a manual mode, the dumbbell rod is put on the vertical plate 32, then the clamping plates 36 are rotated towards the dumbbell rod in a manual mode until the clamping plates 36 clamp the dumbbell rod, then the ear seat 37 is rotated to keep the dumbbell rod in a vertical state, the ear seat 37 drives the transverse plate 38 to synchronously move, the first telescopic plate 390 is stretched, the limiting shaft 39 moves to a corresponding position synchronously along with the first telescopic plate 390, the limiting shaft 39 is pushed towards the dumbbell direction in a manual mode until the limiting shaft 39 is clamped on the transverse plate 38, at this time, the dumbbell is fixed, and a plurality of dumbbells with moderate volumes are stored according to the steps.

When the large-volume dumbbell is stored, the U-shaped blocks 11 are clamped at the corresponding positions at the upper end of the seat plate 1 in a manual mode, dumbbell rods of the large-volume dumbbell are then lapped between the left and right adjacent U-shaped blocks 11, and then the limiting plate 12 is clamped in the clamping grooves at the corresponding positions according to the diameter sizes of the dumbbell rods of the large-volume dumbbell, so that the distance between the limiting plate 12 and the dumbbell rods of the large-volume dumbbell is minimum, and the limiting plate 12 can play a limiting role on the large-volume dumbbell.

When the small-volume dumbbell is stored, the distance between the adjacent rectangular plates 10 is adjusted manually according to the total length of the small-volume dumbbell, then dumbbell rods of the small-volume dumbbell are put on the rectangular plates 10 manually, and the limit function of the small-volume dumbbell is achieved through the rectangular through grooves.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertical dumbbell of multilayer stores frame, includes bedplate (1), backup pad (2) and deposits mechanism (3), its characterized in that: two groups of support plates (2) are symmetrically arranged at the left and right of the lower end of the seat plate (1), each group of support plates (2) comprises two support plates (2), the lower end faces of the support plates (2) are in contact with the ground, the upper ends of the support plates (2) incline towards the center of the seat plate (1), and a storage mechanism (3) is arranged between the support plates (2) which are opposite front and back;

the storage mechanism (3) comprises a clamping shaft (30), a connecting plate (31), a longitudinal plate (32), a return plate (33), a reinforcing plate (34), a first ear plate (35), clamping plates (36), ear seats (37), transverse plates (38), a limiting shaft (39), a first telescopic plate (390) and a bottom plate (391), wherein a connecting groove is formed in the supporting plate (2) from top to bottom at equal intervals, the clamping shaft (30) is clamped in the connecting groove, the clamping shaft (30) is of a telescopic structure, the connecting plate (31) is arranged at a fixed section of the clamping shaft (30), the connecting plate (31) is positioned between the front and rear supporting plates (2) which are opposite, the longitudinal plate (32) is arranged between the front and rear connecting plates (31) in a bilateral symmetry manner, the return plate (33) is arranged at the side end of the connecting plate (31) opposite to the longitudinal plate (32), the reinforcing plate (34) is arranged at the return plate (33), one end of the reinforcing plate (34) far away from the return plate (33) is clamped with the side end of the supporting plate (2), the upper end face (32) is arranged at the opposite end face of the longitudinal plate (32), the front and the left and right ear plates (36) are arranged at the same distance from the left and right end through the left side of the inner sliding plate (35), a transverse plate (38) is connected between the left ear seat (37) and the right ear seat which are opposite, a limiting shaft (39) is clamped between the front and rear adjacent transverse plates (38), the rear end of the limiting shaft (39) is slidably arranged at the upper end of the telescopic section of the first telescopic plate (390), the first telescopic plate (390) is arranged at the upper end surface of the bottom plate (391), and the bottom plate (391) is arranged between the longitudinal plates (32);

a rectangular through groove is formed in the middle of the upper end face of the seat plate (1), rectangular plates (10) are placed in the rectangular through groove at equal intervals from front to back, and the rectangular plates (10) are close to the lower end of the seat plate (1);

the U-shaped blocks (11) are symmetrically arranged on the front side and the rear side of the rectangular through groove, the lower ends of the U-shaped blocks (11) are clamped at the upper ends of the seat boards (1), and the U-shaped blocks (11) are symmetrically distributed left and right.

2. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the upper end of backup pad (2) around symmetry through the round pin axle rotate install plate (20), the upper end of plate (20) and the lower terminal surface fixed connection of bedplate (1), the lower extreme front and back symmetry of the relative face of just relative backup pad (2) about installs No. two otic placodes (21), no. two expansion plate (22) have been arranged between the lower extreme of just relative backup pad (2) about, rotate through the round pin axle between No. two otic placodes (21) that the side of No. two expansion plate (22) corresponds with the position and be connected, the right-hand member of No. two expansion plate (22) fixed section and the left end of No. two expansion plate (22) expansion section all leave from a left side to right equidistance and are equipped with No. one through-hole, joint has clamping rod (23) between No. one through-hole that the position corresponds.

3. The multi-layered vertical dumbbell storage rack of claim 2, wherein: and a third ear plate (24) is symmetrically arranged at the front and back of the lower end of the left end face of the left supporting plate (2) of the second telescopic plate (22), a rolling shaft (25) is rotatably arranged between the side ends, far away from the supporting plate (2), of the third ear plate (24), and the rolling shaft (25) is positioned above the lower end face of the supporting plate (2).

4. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the vertical section of the U-shaped block (11) is provided with clamping grooves from top to bottom at equal intervals, and limiting plates (12) are clamped between the clamping grooves corresponding to the same U-shaped block (11).

5. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the fixed section of the clamping shaft (30) is rotationally connected with the connecting plate (31).

6. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the front of the first expansion plate (390) is symmetrically provided with rubber strips (392), the rubber strips (392) are arranged on the upper end face of the longitudinal plate (32), the rubber strips (392) are distributed at equal intervals from front to back, and the rubber strips (392) are positioned between the clamping plates (36).

7. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the left and right inner side walls of the rectangular through groove are symmetrically provided with sliding grooves, and the side ends of the rectangular plate (10) are in sliding connection with the sliding grooves.