CN114013792A

CN114013792A - Multilayer vertical dumbbell storage rack

Info

Publication number: CN114013792A
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: 2022-02-08
Anticipated expiration: 2041-12-02
Also published as: CN114013792B

Abstract

The invention relates to the field of storage of fitness equipment, in particular to a multilayer 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 front support plate and the rear support plate which are opposite, and the storage mechanism comprises a clamping shaft, a connecting plate, a longitudinal plate, a returning 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 dumbbell rack adopts a design concept that the dumbbell can be adjusted according to the volume of the dumbbell, so that the dumbbell rack is suitable for dumbbell rods with different diameters, the dumbbell type range of the multi-layer vertical dumbbell storage rack can be expanded, and meanwhile, the dumbbell rack can be adjusted adaptively according to the volume change of the whole dumbbell.

Description

Multilayer vertical dumbbell storage rack

Technical Field

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

Background

The dumbbell consists of dumbbell rods and dumbbell sheets, is a simple device for strengthening muscle strength training, is mainly made of cast iron, a layer of rubber is wrapped outside some dumbbells, the dumbbell is used for muscle strength training and muscle compound action training, patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like can exercise resistance active exercise by using the weight of the dumbbell by holding the dumbbell with hands, and the muscle strength can be trained.

In the case of directly placing dumbbells on the ground, dumbbells are easily rolled, and thus dumbbells are generally used in combination with a dumbbell storage rack. The dumbbell stores the existence of frame and is convenient for the dumbbell to obtain quick and safe placing after finishing using, also can avoid the dumbbell to cause the damage to ground or floor simultaneously, nevertheless can appear following problem in the use of common dumbbell stores the frame: thereby because the whole volume ratio of dumbbell storage frame is fixed leads to being not convenient for carry out the problem of real-time adjustment according to the place space, and the dumbbell storage frame is the structure that the non-combination can be regulated and control simultaneously to only current dumbbell storage frame can store the dumbbell of fixed shape or volume, make the dumbbell storage frame holistic practicality lower.

Disclosure of Invention

In order to solve the technical problem, the invention provides a multilayer 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 lower end of the seat plate in the left-right direction, each group 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, and the storage mechanism is arranged between the front support plate and the rear support plate which are opposite.

The storage mechanism comprises a clamping shaft, a connecting plate, a longitudinal plate, a circular 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, wherein connecting through grooves are formed in the supporting plates at equal intervals from top to bottom, the clamping shaft is clamped in the connecting through grooves and is of an expansion structure, the connecting plate is arranged at the fixing section of the clamping shaft and is positioned between the front supporting plate and the rear supporting plate which are opposite, the longitudinal plate is arranged between the front connecting plate and the rear connecting plate which are opposite, the circular plate is arranged at the side end of the connecting plate opposite to the longitudinal plate in a bilateral symmetry mode, the reinforcing plate is arranged in the circular plate in a sliding mode, one end of the reinforcing plate, far away from the circular plate, is clamped with the side end of the supporting plate, the first ear plate is arranged at equal intervals from front to rear on the upper end face of the longitudinal plate, the clamping plate is arranged between the left ear plate and the right ear plate which are opposite, the ear seat is arranged in a bilateral symmetry mode through a pin shaft, the left and right lug seats are connected with transverse plates, the front and back lug seats are opposite, a limiting shaft is clamped between the adjacent transverse plates, the rear end of the limiting shaft is slidably mounted at the upper end of a telescopic section of the first telescopic plate, the first telescopic plate is mounted on the upper end face of the bottom plate, and the bottom plate is mounted between the longitudinal plates.

The first preferred technical scheme is as follows: the upper end of backup pad rotate through round pin axle longitudinal symmetry and install the plate, the upper end of plate and the lower terminal surface fixed connection of bedplate, about the lower extreme of the opposite face of just relative backup pad around the symmetry install No. two otic placodes, about having arranged No. two expansion plates between the lower extreme of just relative backup pad, rotate through the round pin axle between No. two otic placodes that the side of No. two expansion plates and position correspond and be connected, turn right the equidistance from a left side and seted up No. one through-hole No. two expansion plate fixed section's right-hand member and No. two expansion plate expansion section's left end, the joint has the kelly between the corresponding No. one through-hole in position.

The preferred technical scheme is as follows: the rectangular through groove is formed in the middle of the upper end face of the seat plate, rectangular plates are placed in the rectangular through groove at equal intervals from front to back, and the rectangular plates are close to the lower end of the seat plate.

The preferred technical scheme is three: the front side and the rear side of the rectangular through groove are symmetrically provided with U-shaped blocks, the lower ends of the U-shaped blocks are connected with the upper end of the seat plate in a clamping mode, and the U-shaped blocks are symmetrically arranged in a left-right mode.

The preferable technical scheme is four: the left end face lower extreme of the left backup pad of No. two expansion plates around the symmetry install No. three otic placodes, rotate through the round pin axle between the side that No. three otic placodes kept away from the backup pad and install the roller bearing, the roller bearing is located the top of backup pad lower extreme face.

The preferred technical scheme is five: the vertical section of U type piece from last down the equidistance seted up the joint and led to the groove, the joint that corresponds on the same U type piece leads to the groove between the joint of position has the limiting plate.

The preferred technical scheme is six: the fixed section of the clamping shaft is rotatably connected with the connecting plate.

The preferred technical scheme is seven: the place ahead bilateral symmetry of a expansion plate arranged the rubber strip, the rubber strip is installed at the up end of indulging the board, the rubber strip is arranged backward in the past equidistance, and the rubber strip is located between the splint.

The preferred technical scheme is eight: the sliding grooves are symmetrically formed in the left inner side wall and the right inner side wall of the rectangular through groove, and the side ends of the rectangular plates are connected with the sliding grooves in a sliding mode.

The invention has the following beneficial effects: 1. the multilayer vertical dumbbell storing frame provided by the invention adopts a design concept that the dumbbell volume can be adjusted, and the multilayer vertical dumbbell storing frame is integrally suitable for dumbbell rods with different diameters, so that the dumbbell storing range is expanded, and meanwhile, the adaptability can be adjusted according to the volume change of the whole dumbbell.

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

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

4. The limiting plate can limit the large-volume dumbbell, and the large-volume dumbbell is prevented from falling off from the U-shaped block during manual pushing of the multi-layer vertical dumbbell storage rack.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the dumbbell of the present invention stored in a dumbbell storage compartment.

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

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

Fig. 4 is a sectional view taken along line B-B of fig. 2.

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

Fig. 6 is a perspective view of the seat plate and the structure connected with the seat plate.

Fig. 7 is a perspective view of the connection plate and the structure connected with the connection plate.

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 block; 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. clamping a shaft; 31. a connecting plate; 32. a longitudinal plate; 33. a plate return; 34. a reinforcing plate; 35. a first ear plate; 36. a splint; 37. an ear mount; 38. a transverse plate; 39. a limiting shaft; 390. a first expansion plate; 391. a base plate; 392. a rubber strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the multilayer vertical dumbbell storage rack comprises a seat plate 1, support plates 2 and a storage mechanism 3, wherein the 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 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 the storage mechanism 3 is arranged between the front support plate 2 and the rear support plate 2 which are opposite.

Referring to fig. 1 and 6, the rectangular through groove has been seted up at the up end middle part of bedplate 1, rectangular plate 10 has been placed to the rectangle through inslot from the past backward equidistance, rectangular plate 10 is close to the lower extreme of bedplate 1, utilizes rectangular plate 10 can realize the function of depositing of little volume dumbbell, concrete operating procedure is: the dumbbell rod of the small-volume dumbbell is lapped on the rectangular plate 10 in an artificial mode, and the limiting function of the small-volume dumbbell is achieved.

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

Referring to fig. 6, the front and back both sides symmetrical arrangement of rectangle through groove have U type piece 11, the lower extreme joint of U type piece 11 is in the upper end of bedplate 1, the U type piece 11 bilateral symmetry of homonymy arranges, when needs store up the enlarged volume dumbbell, through manual mode with U type piece 11 joint in bedplate 1 upper end relevant position, then make the dumbbell rod of bulky dumbbell take between the adjacent U type piece 11 about, the purpose that U type piece 11 and bedplate 1 took the connected mode of joint is the space that furthest reduced its and occupy when accomodating dumbbell storage rack.

Referring to fig. 6, the vertical section of U type piece 11 from last down the equidistance seted up the joint and led to the groove, joint has limiting plate 12 in the logical inslot of joint, place the bulky dumbbell on U type piece 11 the back, according to the diameter size of the dumbbell bar of bulky dumbbell with limiting plate 12 joint between two just right joint logical grooves in the front and back to make the distance between limiting plate 12 and the dumbbell bar of bulky dumbbell minimum, and then make limiting plate 12 can play spacing effect to the bulky dumbbell, the condition that has avoided the bulky dumbbell to drop from U type piece 11 during the vertical dumbbell storage shelf of manual promotion multilayer takes place.

Referring to fig. 1, 3, 4 and 7, the storage mechanism 3 includes a clamping shaft 30, a connecting plate 31, a longitudinal plate 32, a circular 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 expansion plate 390 and a bottom plate 391, the support plate 2 is provided with connecting through slots at equal intervals from top to bottom, the clamping shaft 30 is clamped in the connecting through slots, the clamping shaft 30 is of an expansion structure, a fixing section of the clamping shaft 30 is provided with the connecting plate 31, the connecting plate 31 is located between the front and rear opposite support plates 2, the longitudinal plate 32 is installed between the front and rear opposite connecting plates 31, the longitudinal plate 32 is arranged symmetrically left and right, the circular plate 33 is installed at the side end of the connecting plate 31 opposite to the longitudinal plate 32, the reinforcing plate 34 is installed in the circular plate 33 in a sliding manner, one end of the reinforcing plate 34 far away from the circular plate 33 is clamped with the side end of the support plate 2, the first ear plate 35 is installed at equal intervals from front to rear at the upper end of the longitudinal plate 32, a clamping plate 36 is rotatably installed between the first right and left opposite lug plates 35 through a pin shaft, lug seats 37 are rotatably installed at the upper ends of the clamping plates 36 in a bilateral symmetry mode through the pin shaft, transverse plates 38 are connected between the right and left opposite lug seats 37, limiting shafts 39 are clamped between the front and back opposite and adjacent transverse plates 38, the rear ends of the limiting shafts 39 are slidably installed at the upper ends of the telescopic sections of the first telescopic plates 390, the first telescopic plates 390 are installed on the upper end face of a bottom plate 391, and the bottom plate 391 is installed between the longitudinal plates 32.

The dumbbell with the moderate volume is manually placed between the adjacent clamping plates 36, the dumbbell rod is supported on the longitudinal plate 32, then the clamping plates 36 are manually rotated towards the dumbbell rod until the clamping plates 36 clamp the dumbbell rod, then the ear seats 37 are rotated to keep the dumbbell rod in a vertical state, the ear seats 37 drive the transverse plate 38 to synchronously move, then the first expansion plate 390 is stretched, the limiting shafts 39 synchronously move to corresponding positions along with the first expansion plate 390, then the limiting shafts 39 are manually pushed towards the dumbbell direction until the limiting shafts 39 are clamped on the transverse plate 38, the dumbbell is fixed at the moment, the storage of the dumbbell with the moderate volume is finished according to the steps, the rotatable structure of the clamping plates 36 has the advantages that the clamping plates 36 are suitable for the dumbbell rods with different diameters, the dumbbell range of the multi-layer vertical dumbbell storage rack is enlarged, before the dumbbell is stored, the clamping shaft 30 is manually contracted until the telescopic section of the clamping shaft 30 is separated from the support plate 2, then the connecting plate 31 and the longitudinal plate 32 are lifted after the reinforcing plate 34 is pulled out, then the connecting plate 31 and the longitudinal plate 32 are integrally moved to proper positions, then the clamping shaft 30 is stretched again to enable the telescopic section to be clamped in the connecting through groove at the corresponding position, the connecting plate 31 is preliminarily fixed, then the reinforcing plate 34 is reinstalled to enable the connecting plate 31 to be completely fixed, and in general, the distance between the upper and lower adjacent longitudinal plates 32 can be adjusted under the matching among the clamping shaft 30, the bent plate 33, the reinforcing plate 34 and the support plate 2 so as to adapt to the change of the integral volume of the dumbbell.

Referring to fig. 1 and 7, the fixing section of the clamping shaft 30 is rotatably connected with the connecting plate 31, the reinforcing plate 34 is pulled out manually, and then the connecting plate 31 is rotated downwards, so that the overall size of the multi-layer vertical dumbbell storage rack is reduced, and the storage space occupied by the multi-layer vertical dumbbell storage rack is reduced.

Referring to fig. 7, rubber strips 392 are symmetrically arranged in the front of the first expansion plate 390 in a left-right mode, the rubber strips 392 are installed on the upper end face of the longitudinal plate 32, the rubber strips 392 are arranged in an equidistant mode from the front to the back, the rubber strips 392 are located between the clamping plates 36, and the rubber strips 392 can increase the friction force between the dumbbell rod and the longitudinal plate 32, so that the overall stability of the dumbbell is improved.

Referring to fig. 1, 2 and 6, the upper end of the supporting plate 2 is rotatably and symmetrically provided with a plate 20 in a front-back manner 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 ends of the opposite faces of the left and right opposite supporting plates 2 are symmetrically and longitudinally provided with a second ear plate 21, a second expansion plate 22 is arranged between the lower ends of the left and right opposite supporting plates 2, the side end of the second expansion plate 22 is rotatably connected with the second ear plate 21 corresponding to the position through a 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 intervals, a clamping rod 23 is clamped between the first through holes corresponding to the positions, before storing the dumbbell, the clamping rod 23 is manually pulled out, then the second expansion plate 22 is extended or contracted for a corresponding distance, and then the clamping rod 23 is remounted so that the second expansion plate 22 can not be extended or contracted, along with the extension of No. two expansion plates 22, the opening angle of the backup pad 2 of arranging about increases, and the distance between bedplate 1 and the ground reduces, along with the shrink of No. two expansion plates 22, the opening angle of the backup pad 2 of arranging about reduces gradually, and the distance between bedplate 1 and the ground increases, can store whole height and the area occupied of frame according to actual installation requirement and installation space's the vertical dumbbell of size adjustment multilayer from this to more reasonable use vertical dumbbell of multilayer stores the frame.

Referring to fig. 1, the third ear plate 24 is symmetrically installed around the lower end of the left end face of the support plate 2 on the left side of the second expansion plate 22, the roller 25 is installed between the side ends of the third ear plate 24 far away from the support plate 2 through the pin shaft rotation, the roller 25 is located above the lower end face of the support plate 2, the support plate 2 at the right end of the base plate 1 is lifted upwards in an artificial mode, so that the roller 25 is in contact with the ground, then the dumbbell storage rack is pushed to a proper position integrally in an artificial mode under the state that the dumbbell storage rack is kept inclined, compared with the mode of directly dragging the dumbbell storage rack, the moving speed of the dumbbell storage rack can be greatly increased, and meanwhile, the probability of damage to the ground can be reduced.

When using the vertical dumbbell storage rack of multilayer, first step, the bulk movement: the support plate 2 at the right end of the seat plate 1 is lifted upwards in a manual mode, the rolling shaft 25 is in contact with the ground, and then the dumbbell storage rack is integrally pushed to a proper position in a manual mode under the state that the dumbbell storage rack keeps inclining.

Step two, overall adjustment: extract kelly 23 through the manual mode, then make No. two expansion plates 22 extend or shrink corresponding distance, install kelly 23 again afterwards so that No. two expansion plates 22 can not extend or shrink again, along with No. two expansion plates 22's extension, the opening angle increase of the backup pad 2 of arranging about, the distance between bedplate 1 and the ground reduces, along with No. two expansion plates 22's shrink, the opening angle of the backup pad 2 of arranging about reduces gradually, the distance increase between bedplate 1 and the ground, can be according to actual installation requirement and installation space's size adjustment multilayer vertical dumbbell storage rack's overall height and area occupied from this, so that more reasonable use multilayer vertical dumbbell storage rack.

Thirdly, local adjustment: the clamping shaft 30 is contracted manually until the telescopic section of the clamping shaft 30 is separated from the support plate 2, then the connecting plate 31 and the longitudinal plate 32 are integrally lifted after the reinforcing plate 34 is pulled out, then the connecting plate 31 and the longitudinal plate 32 are integrally moved to proper positions, then the clamping shaft 30 is stretched again to enable the telescopic section to be clamped in the connecting through groove at the corresponding position, the connecting plate 31 is preliminarily fixed, and then the reinforcing plate 34 is reinstalled to enable the connecting plate 31 to be completely fixed.

Fourthly, storing the dumbbell: the dumbbell with the moderate volume is placed between the adjacent clamping plates 36 in a manual mode, the dumbbell rod is made to be lapped on the longitudinal plate 32, then the clamping plates 36 are made to rotate towards the dumbbell rod in a manual mode until the clamping plates 36 clamp the dumbbell rod, then the ear seats 37 are rotated to keep the dumbbell rod in a vertical state, the ear seats 37 drive the transverse plate 38 to synchronously move, the first expansion plate 390 is stretched, the limiting shafts 39 synchronously move to corresponding positions along with the first expansion plate 390, then the limiting shafts 39 are pushed towards the dumbbell direction in a manual mode until the limiting shafts 39 are clamped on the transverse plate 38, the dumbbell is fixed at the moment, and storage of the dumbbell with the moderate volume is completed according to the steps.

When storing the bulky dumbbell, through the manual mode with 11 joints of U type piece in 1 upper end relevant position of bedplate, then make the dumbbell bar of bulky dumbbell take about between adjacent U type piece 11, follow afterwards according to the diameter size of the dumbbell bar of bulky dumbbell with limiting plate 12 joint in the logical inslot of joint of relevant position to make the distance between limiting plate 12 and the dumbbell bar of bulky dumbbell minimum, and then make limiting plate 12 can play spacing effect to the bulky dumbbell.

When storing little volume dumbbell, according to the total length of little volume dumbbell, through the distance between the adjacent rectangular plate 10 of manual mode adjustment, then make the dumbbell rod of little volume dumbbell take on rectangular plate 10 through manual mode, utilize the rectangle to lead to the groove realization to the limit function of little volume dumbbell.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 storage rack of multilayer, includes bedplate (1), backup pad (2) and deposits mechanism (3), its characterized in that: the lower end of the seat plate (1) is symmetrically provided with two groups of supporting plates (2) in a left-right mode, each group of supporting plates (2) comprises two supporting plates (2), the lower end face of each supporting plate (2) is in contact with the ground, the upper ends of the supporting plates (2) incline to the center of the seat plate (1), and a storage mechanism (3) is arranged between the front supporting plate and the rear supporting plate (2) which are opposite;

the storage mechanism (3) comprises a clamping shaft (30), connecting plates (31), longitudinal plates (32), a back-shaped plate (33), reinforcing plates (34), a first lug plate (35), a clamping plate (36), a lug seat (37), a transverse plate (38), a limiting shaft (39), a first expansion plate (390) and a bottom plate (391), wherein connecting through grooves are formed in the supporting plates (2) at equal intervals from top to bottom, the clamping shaft (30) is clamped in the connecting through grooves, the clamping shaft (30) is of an expansion structure, the connecting plates (31) are arranged at the fixed section of the clamping shaft (30), the connecting plates (31) are positioned between the front and back opposite supporting plates (2), the longitudinal plates (32) are arranged between the front and back opposite connecting plates (31), the longitudinal plates (32) are arranged in bilateral symmetry, the back-shaped plates (33) are arranged at the side ends of the connecting plates (31) opposite to the longitudinal plates (32), and the reinforcing plates (34) are arranged in the back-shaped plates (33), one end of the reinforcing plate (34) far away from the circular plate (33) is clamped with the side end of the supporting plate (2), a lug plate (35) is installed at the front end and the back end at equal intervals on the upper end face of the longitudinal plate (32), a clamping plate (36) is installed between the right and left right lug plates (35) in a rotating mode through a pin shaft, lug seats (37) are installed on the upper end of the clamping plate (36) in a rotating mode through pin shaft bilateral symmetry, transverse plates (38) are connected between the right and left right lug seats (37) in a rotating mode, limiting shafts (39) are clamped between the right and left transverse plates (38) in a front-back opposite mode and adjacent to each other, the rear ends of the limiting shafts (39) are installed at the upper ends of telescopic sections of the telescopic plates (390), the upper end face of the base plate (391) is installed on the upper end face of the base plate (391), and the base plate (391) is installed between the longitudinal plate (32).

2. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the upper end of backup pad (2) rotate through round pin axle longitudinal symmetry and install plate (20), the upper end of plate (20) and the lower terminal surface fixed connection of bedplate (1), about the lower extreme of the opposite face of just relative backup pad (2) the symmetry install No. two otic placodes (21) around, about having arranged No. two expansion plates (22) between the lower extreme of just relative backup pad (2), rotate through the round pin axle between No. two otic placodes (21) that the side of No. two expansion plates (22) and position correspond and be connected, No. one through-hole has all been seted up from left side to right equidistance to the right end of No. two expansion plate (22) fixed sections and the left end of No. two expansion plate (22) flexible sections, the joint has kelly (23) between the corresponding No. one through-hole in position.

3. The multi-layered vertical dumbbell storage rack of claim 1, wherein: the middle part of the upper end face of the seat board (1) is provided with a rectangular through groove, 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 board (1).

4. The multi-layered vertical dumbbell storage rack of claim 3, wherein: the front side and the rear side of the rectangular through groove are symmetrically provided with U-shaped blocks (11), the lower ends of the U-shaped blocks (11) are clamped at the upper end of the seat plate (1), and the U-shaped blocks (11) are symmetrically arranged in the left-right direction.

5. The multi-layered vertical dumbbell storage rack of claim 2, wherein: no. three otic placodes (24) are installed to the left end face lower extreme front and back symmetry of backup pad (2) on No. two expansion plate (22) left side, install roller bearing (25) through the round pin axle rotation between the side of backup pad (2) is kept away from in No. three otic placode (24), roller bearing (25) are located backup pad (2) top of terminal surface down.

6. The multi-layered vertical dumbbell storage rack of claim 4, wherein: vertical section of U type piece (11) from last down the equidistance seted up the joint and led to the groove, the joint that corresponds on same U type piece (11) position leads to the groove between the joint has limiting plate (12).

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

8. The multi-layered vertical dumbbell storage rack of claim 1, wherein: rubber strips (392) are symmetrically arranged in the left and right directions in front of the first expansion plate (390), the rubber strips (392) are arranged on the upper end face of the longitudinal plate (32), the rubber strips (392) are arranged in the front-back equidistance mode, and the rubber strips (392) are located between the clamping plates (36).

9. The multi-layered vertical dumbbell storage rack of claim 3, wherein: the sliding grooves are symmetrically formed in the left inner side wall and the right inner side wall of the rectangular through groove, and the side ends of the rectangular plate (10) are connected with the sliding grooves in a sliding mode.