A sliding adjustment dumbbell bench

Abstract

The utility model discloses a kind of sliding adjustment dumbbell benches, including first connecting rod, second connecting rod, third connecting rod, adjustable cushion and backrest assembly, first connecting rod is arranged below adjustable cushion, the both ends of first connecting rod are connected with the one end of second connecting rod and third connecting rod respectively, the other end of second connecting rod and third connecting rod is arranged with the support cross bar of ground contact, backrest assembly includes backrest, sleeve, backrest support rod and locking bolt, sleeve is arranged at the back of backrest, backrest support rod is connected with third connecting rod, sleeve is sleeved on backrest support rod and along backrest support rod drives backrest to slide, first connecting rod is equipped with through sliding slot, adjustable cushion bottom is equipped with fixed bolt and locking nut, fixed bolt passes through sliding slot and drives adjustable cushion to change the relative position with first connecting rod, the sliding adjustment dumbbell bench of the utility model is simple in structure, can be realized in a certain range within backrest height and seat back and forth accurate fine adjustment.

Description

Technical Field

[0001] This utility model relates to the field of fitness equipment, specifically to a sliding adjustable dumbbell bench. Background Technology

[0002] Dumbbell benches are a common type of fitness equipment on the market. They are mainly used to assist people in performing necessary fitness exercises with dumbbells. Common dumbbell benches have some adjustment functions, such as backrest angle adjustment and bench height adjustment. These common adjustments are usually achieved by machining multiple adjustment holes on the bench's steel frame. However, because everyone's height, body type, and sensitivity to posture are different, this kind of single angle or position adjustment cannot meet the needs of every user. Therefore, there is a need for a dumbbell bench product that can precisely adjust the usage posture within a certain range to meet the needs of different fitness enthusiasts. Summary of the Invention

[0003] This invention addresses the shortcomings of existing technologies by proposing a dumbbell bench with a simple structure that allows for precise fine-tuning within a certain range at two common adjustment positions: backrest height and seat fore-aft position, thus meeting the needs of different fitness users.

[0004] This utility model is achieved through the following technical solution:

[0005] An adjustable dumbbell bench includes a first connecting rod, a second connecting rod, a third connecting rod, an adjustable seat cushion, and a backrest assembly. The first connecting rod is located below the adjustable seat cushion, and its two ends are respectively connected to one end of the second connecting rod and one end of the third connecting rod. The other ends of the second connecting rod and the third connecting rod are provided with a support crossbar that contacts the ground. The backrest assembly includes a backrest, a sleeve, a backrest support rod, and a locking bolt. The sleeve is located on the back of the backrest, and the backrest support rod is connected to the third connecting rod. The sleeve is fitted onto the backrest support rod and slides along the backrest support rod. The locking bolt is located on the sleeve to lock the relative position of the sleeve and the backrest support rod.

[0006] The first connecting rod is provided with a through sliding groove, and the bottom of the adjustable seat is provided with a fixing bolt and a locking nut. The fixing bolt passes through the sliding groove and drives the adjustable seat to change its relative position with the first connecting rod. The locking nut is threadedly connected to the fixing bolt to fix the first connecting rod between the adjustable seat and the locking nut.

[0007] As a further improvement of this utility model, the backrest support rod is a hollow square rod with a sliding groove on its outer surface. The sleeve has a threaded hole. The end of the locking bolt passes through the threaded hole and the sliding groove to be inserted into the backrest support rod, forming a frictional contact with the inner surface of the backrest support rod to prevent the sleeve from sliding with the backrest support rod.

[0008] As a further improvement of this utility model, a backrest pin is fixedly provided on the third connecting rod, and the backrest support rod is sleeved on the backrest pin.

[0009] As a further improvement of this utility model, the backrest assembly also includes a backrest adjustment rod, one end of which is rotatably connected to the backrest support rod; the third connecting rod is provided with a plurality of fixed baffles along the height direction, and the other end of the backrest adjustment rod cooperates with the fixed baffles of different heights to adjust the folding angle of the backrest.

[0010] As a further improvement of this utility model, the second connecting rod is detachably connected to the first connecting rod. The first connecting rod is provided with a first through hole and a second through hole. The end of the second connecting rod is provided with a first clamping piece. The first clamping piece clamps the first connecting rod. The clamping piece is fixed to the first connecting rod by bolts and nuts passing through the first through hole, the second through hole and the first clamping piece.

[0011] As a further improvement of this utility model, the first connecting rod and the third connecting rod are detachably connected. The end of the first connecting rod connected to the third connecting rod is provided with a fixing block. The fixing block is fixedly connected to the first connecting rod or integrally formed. The fixing block is provided with a third through hole and a fourth through hole. The third connecting rod is provided with a second clamping piece. The second clamping piece clamps the fixing block. The second clamping piece is fixed to the fixing block by bolts and nuts passing through the third through hole, the fourth through hole and the second clamping piece.

[0012] As a further improvement of this utility model, the first connecting rod is provided with a first foam rod, which is located at the front end of the adjustable seat cushion, and the second connecting rod is provided with a second foam rod.

[0013] As a further improvement of this utility model, the adjustable seat cushion is provided with a support frame at the bottom. The support frame is in the shape of an "I" along the first connecting rod and includes parallel supporting rods and a main rod. The main rod has a cross-section of "∏". The first connecting rod is fitted with the main rod.

[0014] As a further improvement of this utility model, the sleeve includes a first sleeve and a second sleeve, and the backrest support rod is two rods arranged in parallel. The first sleeve and the second sleeve are spaced apart along the extension direction of the backrest support rod. A connecting rod is provided between the two first sleeves and between the two second sleeves. The threaded hole is provided on the first sleeve and cooperates with the locking bolt to fix the backrest assembly.

[0015] Compared with the prior art, the beneficial effects of this utility model are that the dumbbell bench can be precisely adjusted and locked within a certain range at two common positions: backrest height and seat front and back position, to meet the needs of different fitness groups and fully satisfy individual needs. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the accompanying drawings required in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is an overall structural diagram of the sliding adjustable dumbbell bench of this utility model;

[0018] Figure 2 This is an exploded view of the sliding adjustable dumbbell bench of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the first connecting rod of the sliding adjustable dumbbell bench of this utility model;

[0020] Figure 4 This is a structural schematic diagram of the backrest assembly of the sliding adjustable dumbbell bench of this utility model;

[0021] Figure 5 This is a schematic diagram of the adjustable seat cushion of the sliding adjustable dumbbell bench of this utility model;

[0022] Figure 6 This is a schematic diagram of the installation of the sleeve and backrest support rod of the sliding adjustable dumbbell bench of this utility model. Detailed Implementation

[0023] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0025] A sliding adjustable dumbbell bench includes a first connecting rod 1, a second connecting rod 2, a third connecting rod 3, an adjustable seat cushion 4, and a backrest assembly 5. The first connecting rod 1 is located below the adjustable seat cushion 4, and both ends of the first connecting rod 1 are connected to one end of the second connecting rod 2 and the third connecting rod 3, respectively. The other ends of the second connecting rod 2 and the third connecting rod 3 are provided with a support crossbar 6 that contacts the ground. The backrest assembly 5 includes a backrest 7, a sleeve 9, a backrest support rod 8, and a locking bolt 10. The sleeve 9 is located on the back of the backrest 7, and the backrest support rod 8 is connected to the third connecting rod 3. The sleeve 9 is fitted onto the backrest support rod 8 and slides along the backrest support rod 8 to drive the backrest 7 to slide. The locking bolt 10 is located on the sleeve 9 to lock the relative position of the sleeve 9 and the backrest support rod 8.

[0026] The backrest support rod 8 is a hollow square rod with a sliding groove 11 on its outer surface. In this embodiment, the backrest support rod 8 consists of two parallel hollow square rods. The sleeve 9 includes two first sleeves 12 and two second sleeves 13. A connecting rod 14 is provided between the two first sleeves 12 and between the two second sleeves 13. The first sleeves 12 and the second sleeves 13 are spaced apart along the extension direction of the backrest support rod 8. The first sleeve 12 has a threaded hole 15. The end of the locking bolt 10 passes through the threaded hole 15 and is inserted into the backrest support rod 8 through the sliding groove 11, forming a frictional contact with the inner surface of the backrest support rod 8 to prevent the sleeve 9 from sliding against the backrest support rod 8. To prevent the locking bolt 10 from sliding against the inner surface of the backrest support rod 8, sandblasting or a coating can be applied to the inner surface of the backrest support rod 8 to increase the friction between the locking bolt 10 and the inner surface of the backrest support rod 8.

[0027] The first connecting rod 1 has a through sliding groove 16. The bottom of the adjustable seat cushion 4 has a fixing bolt 17 and a locking nut 18. The fixing bolt 17 passes through the sliding groove 16, causing the adjustable seat cushion 4 to change its relative position with the first connecting rod 1. The locking nut 18 is threadedly connected to the fixing bolt 17, fixing the first connecting rod 1 between the adjustable seat cushion 4 and the locking nut 18. When it is necessary to adjust the adjustable seat cushion 4, loosen the locking nut 18 to allow the adjustable seat cushion 4 to slide along the extension direction of the sliding groove 16. After determining the adjustment position, tighten the locking nut 18 again.

[0028] A backrest pin 19 is fixedly mounted on the third connecting rod 3, and the backrest support rod 8 is sleeved on the backrest pin 19. The backrest assembly 5 can be rotated relative to the third connecting rod 3 by means of the backrest pin 19, and the angle of the backrest can be adjusted by means of the fixing device.

[0029] In this embodiment, the backrest assembly 5 also includes a backrest adjustment rod 20, one end of which is rotatably connected to the backrest support rod 8; the third connecting rod 3 is provided with multiple fixed baffles 21 along the height direction, and the backrest adjustment rod 20 and the fixed baffles 21 form a fixing device for adjusting the backrest angle. The other end of the backrest adjustment rod 20 can be used to adjust the folding angle of the backrest by cooperating with the fixed baffles 21 of different heights.

[0030] The second connecting rod 2 is detachably connected to the first connecting rod 1. The first connecting rod 1 is provided with a first through hole 22 and a second through hole 23. The end of the second connecting rod 2 is provided with a first clamping piece 24. The clamping piece clamps the first connecting rod 1. The clamping piece is fixed to the first connecting rod 1 by bolts and nuts passing through the first through hole 22, the second through hole 23 and the first clamping piece 24.

[0031] The first connecting rod 1 and the third connecting rod 3 are detachably connected. The end of the first connecting rod 1 and the third connecting rod 3 is provided with a fixing block 25. The fixing block 25 is fixedly connected to the first connecting rod 1. In other embodiments, the fixing block 25 can also be integrally formed with the first connecting rod 1. The fixing block 25 is provided with a third through hole 26 and a fourth through hole 27. The third connecting rod 3 is provided with a second clamping piece 28. The second clamping piece 28 clamps the fixing block 25. The second clamping piece 28 is fixed to the fixing block 25 by bolts and nuts passing through the third through hole 26, the fourth through hole 27 and the second clamping piece 28.

[0032] In other embodiments, the relative rotation of the second connecting rod 2 and the third connecting rod 3 relative to the first connecting rod 1 can be achieved by designing the structure of the first clamp 24 and the second clamp 28, so that the dumbbell bench can be folded and stored when not in use. In specific operation, the bolts in the second through hole 23 and the third through hole 26 can be removed, so that the second connecting rod 2 rotates about the axis of the first through hole 22, and the third connecting rod 3 rotates about the axis of the fourth through hole 27, thereby folding the entire dumbbell bench.

[0033] The first connecting rod 1 is equipped with a first foam rod 29, which is located at the front end of the adjustable seat cushion 4. The second connecting rod 2 is equipped with a second foam rod 30. During practice, the user can fix their legs to the first foam rod 29 and the second foam rod 30 to improve body stability.

[0034] The adjustable seat cushion 4 has a support frame 31 at the bottom. The support frame 31 is in the shape of an "I" along the first connecting rod 1 and includes parallel support rods 32 and main rods 33, which ensures that the adjustable seat cushion 4 is evenly stressed during use. The main rod 33 has a "∏" shaped cross section. The first connecting rod 1 and the main rod 33 are fitted together, which ensures the relative stability between the adjustable seat cushion 4 and the first connecting rod 1.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the technical solutions of the embodiments of this utility model.

Claims

1. A sliding adjustable dumbbell bench, comprising a first connecting rod, a second connecting rod, a third connecting rod, an adjustable seat cushion, and a backrest assembly, wherein the first connecting rod is disposed below the adjustable seat cushion, and both ends of the first connecting rod are respectively connected to one end of the second connecting rod and one end of the third connecting rod, and the other ends of the second connecting rod and the third connecting rod are provided with a support crossbar in contact with the ground, characterized in that: The backrest assembly includes a backrest, a sleeve, a backrest support rod, and a locking bolt. The sleeve is disposed on the back of the backrest, the backrest support rod is connected to the third connecting rod, the sleeve is fitted onto the backrest support rod and slides along the backrest support rod, and the locking bolt is disposed on the sleeve to lock the relative position of the sleeve and the backrest support rod. The first connecting rod is provided with a through sliding groove, and the bottom of the adjustable seat is provided with a fixing bolt and a locking nut. The fixing bolt passes through the sliding groove and drives the adjustable seat to change its relative position with the first connecting rod. The locking nut is threadedly connected to the fixing bolt to fix the first connecting rod between the adjustable seat and the locking nut.

2. The sliding adjustable dumbbell bench according to claim 1, characterized in that: The backrest support rod is a hollow square rod with a sliding groove on its outer surface. The sleeve has a threaded hole. The end of the locking bolt passes through the threaded hole and the sliding groove to be inserted into the backrest support rod, forming a frictional contact with the inner surface of the backrest support rod to prevent the sleeve from sliding against the backrest support rod.

3. The sliding adjustable dumbbell bench according to claim 2, characterized in that: A backrest pin is fixedly provided on the third connecting rod, and the backrest support rod is sleeved on the backrest pin.

4. The sliding adjustable dumbbell bench according to claim 3, characterized in that: The backrest assembly also includes a backrest adjustment rod, one end of which is rotatably connected to the backrest support rod; the third connecting rod is provided with multiple fixed baffles along the height direction, and the other end of the backrest adjustment rod cooperates with the fixed baffles of different heights to adjust the folding angle of the backrest.

5. The sliding adjustable dumbbell bench according to any one of claims 1 to 3, characterized in that: The second connecting rod is detachably connected to the first connecting rod. The first connecting rod is provided with a first through hole and a second through hole. The end of the second connecting rod is provided with a first clamping piece. The first clamping piece clamps the first connecting rod. The first clamping piece is fixed to the first connecting rod by bolts and nuts passing through the first through hole, the second through hole and the first clamping piece.

6. The sliding adjustable dumbbell bench according to any one of claims 1 to 3, characterized in that: The first connecting rod and the third connecting rod are detachably connected. The end of the first connecting rod connected to the third connecting rod is provided with a fixing block. The fixing block is fixedly connected to the first connecting rod or integrally formed. The fixing block is provided with a third through hole and a fourth through hole. The third connecting rod is provided with a second clamping piece. The second clamping piece clamps the fixing block. The second clamping piece is fixed to the fixing block by bolts and nuts passing through the third through hole, the fourth through hole and the second clamping piece.

7. The sliding adjustable dumbbell bench according to any one of claims 1 to 5, characterized in that: The first connecting rod is provided with a first foam rod, which is located at the front end of the adjustable seat cushion, and the second connecting rod is provided with a second foam rod.

8. The sliding adjustable dumbbell bench according to claim 1, characterized in that: The adjustable seat cushion has a support frame at the bottom. The support frame is in the shape of an "I" along the first connecting rod and includes parallel support rods and a main rod. The main rod has a "∏" shaped cross section, and the first connecting rod is fitted with the main rod.

9. The sliding adjustable dumbbell bench according to claim 2, characterized in that: The sleeve includes a first sleeve and a second sleeve. There are two backrest support rods arranged in parallel. The first sleeve and the second sleeve are spaced apart along the extension direction of the backrest support rods. A connecting rod is provided between the two first sleeves and between the two second sleeves. The threaded hole is provided on the first sleeve and cooperates with the locking bolt to fix the backrest assembly.

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