Dumbbell rack convenient to adjust

By using a two-way motor drive gear and tooth chain mechanism on the dumbbell rack, the adaptation and adjustment of the support frame width of dumbbells of different specifications is solved, and the problems of low space utilization efficiency and unstable dumbbells in the existing technology are solved, and the gym space is improved Overall utilization efficiency and use safety.

CN222218576UActive Publication Date: 2024-12-24NANTONG RANXING SPORTS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420782665.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2024-12-24
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

The existing gym dumbbell racks can only adapt to dumbbells of certain specifications and cannot meet the placement of dumbbells of multiple sizes, resulting in reduced space utilization efficiency.

Method used

A dumbbell rack is designed for easy adjustment, using a two-way motor drive gear and tooth chain mechanism, which can achieve the adaptation of dumbbells of different specifications and adjust the support frame width of the support frame through the moving clamp case and limiting rod to ensure the stable placement of dumbbells.

Benefits of technology

Improves space utilization efficiency, reduces space waste, and ensures dumbbell stability by adjusting the width of the support frame, avoids rolling or dumping, increasing safety of use.

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Abstract

The utility model discloses a dumbbell rack convenient to adjust, which relates to the technical field of dumbbell racks, and comprises a support shell, the inner wall of the support shell at the front end is rotatably connected with a support plate, and the outer wall of the support plate at the rear end is rotatably connected with the inner wall of the support plate at the front end. The bottom end of the supporting plate located at the rear end is rotationally connected with the inner wall of the supporting shell at the rear end, the two-way motor rotates, the two-way motor drives a first rotating shaft and a first gear to rotate, the first gear drives a toothed chain to slide downwards on the inner wall of the supporting plate, and a first gear plate drives a supporting plate to move downwards; the supporting plate drives the hollow plate to move downwards, the inner wall of the hollow plate slides on the outer wall of the clamping rod and pulls the connecting rod downwards in an inclined mode, the connecting rod drives the movable clamping shell to slide on the inner wall of the fixed clamping shell, different dumbbells can be matched for limiting installation, in this way, the dumbbells of different specifications can be placed, the space utilization efficiency is improved, and space waste is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of dumbbell racks, in particular to a dumbbell rack which is easy to adjust. Background Art

[0002] With the continuous progress of society, the economy has also developed rapidly, people's living standards have been greatly improved, and more and more people have begun to pay attention to improving the quality of life and devote themselves to fitness. Dumbbells are an auxiliary equipment for fitness exercises. Scientific use of dumbbells can achieve good exercise effects, so they are favored by fitness enthusiasts. Most dumbbells are randomly scattered on the ground after use, which not only looks messy and takes up space, but also does not easily attract people's attention, and is easy to hurt people's feet, or even trip people, causing injuries.

[0003] Existing gyms have many dumbbells with different specifications, and can only place dumbbells of certain specifications, and cannot accommodate dumbbells of various sizes. Since only dumbbells of certain specifications can be placed, dumbbells of other specifications cannot be placed, which will lead to reduced space utilization efficiency in the gym. Utility Model Content

[0004] The utility model aims to provide a mounting mechanism, which solves the problem that only dumbbells of certain specifications can be placed, while dumbbells of other specifications cannot be placed, which leads to reduced space utilization efficiency in the gym.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0006] The utility model discloses a dumbbell rack which is easy to adjust, comprising a supporting shell, wherein the inner wall of the supporting shell located at the front end is rotatably connected with a supporting plate, the outer wall of the supporting plate located at the rear end is rotatably connected with the inner wall of the front support plate, and the bottom end of the supporting plate located at the rear end is rotatably connected with the inner wall of the rear support shell, and further comprising a mounting mechanism, wherein the mounting mechanism comprises a fixed clamping shell which is fixedly connected to the left and right sides of the front end of the front support shell, the inner wall of the fixed clamping shell is sleeved and slidably connected with a movable clamping shell, and the left and right sides of the movable clamping shell are both fixed A connecting rod is connected, and the inner walls on the left and right sides of the support plate are fixedly connected with a clamping rod, and the outer wall of the clamping rod is sleeved and slidably connected with a hollow plate, and the front end inner wall of the hollow plate is connected with the outer wall of the connecting rod. A bidirectional motor is sleeved and fixedly connected with the rear end of the support plate at the front end, and the output ends on both sides of the bidirectional motor are fixedly connected with a first rotating shaft, and the outer walls of the ends of the two first rotating shafts that are away from each other are sleeved and fixedly connected with a first gear, and the left and right sides of the rear end of the support plate at the front end are sleeved and slidably connected with a first gear plate.

[0007] Furthermore, the ends of the two first gear plates that are away from each other are fixedly connected to a supporting plate, and the ends of the supporting plates that are away from each other are rotatably connected to the bottom inner walls of the ends of the two hollow plates that are close to each other.

[0008] Furthermore, an adjustment mechanism is provided on the top of the support shell at the front end, and the adjustment mechanism includes a top plate fixedly connected to the top of the front support shell, and the rear end bottom of the top plate is in contact with the top of the rear end support shell.

[0009] Furthermore, square rods are fixedly connected to the left and right sides of the rear end of the support shell at the front end, and sleeves are fixedly connected to the left and right sides of the front end of the support shell at the rear end. The inner wall of the sleeve is sleeved and slidably connected to the outer wall of the square rod, and the rear end tops of the two square rods are sleeved and fixedly connected to limit rods.

[0010] Furthermore, the top and bottom of the outer wall of the limiting rod are in contact with the inner wall of the casing, a motor is sleeved on and fixedly connected to the top of the top plate, and a second rotating shaft is fixedly connected to the output end of the motor.

[0011] Furthermore, a rotating rod is sleeved and rotatably connected to the top rear end of the top plate, a second gear is sleeved and fixedly connected to the top of the outer wall of the second rotating shaft and the rotating rod, and the inner walls of the second gear located on the left side and at the rear end are meshed and connected to a toothed chain.

[0012] Furthermore, a third gear is sleeved and fixedly connected to the bottom of the outer wall of the rotating rod, a limiting shell is fixedly connected to the rear end of the supporting shell at the front end, and a second gear plate is sleeved and slidably connected to the inner wall of the limiting shell.

[0013] Furthermore, the rear end of the second gear plate is fixedly connected to the front end of the rear end support shell, and the outer wall of the second gear plate is meshingly connected to the inner wall of the third gear.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model provides a dumbbell rack which is easy to adjust. A bidirectional motor rotates, and the bidirectional motor drives a first rotating shaft and a first gear to rotate. The first gear drives a toothed chain to slide downward on an inner wall of a supporting plate, and the first gear plate drives a supporting plate to move downward. The supporting plate drives a hollow plate to move downward, and an inner wall of the hollow plate slides on an outer wall of a clamping rod and pulls a connecting rod obliquely downward. The connecting rod drives a movable clamping shell to slide on an inner wall of a fixed clamping shell. Different dumbbell rods can be adapted for limited installation, so that dumbbells of different specifications can be placed, thereby improving space utilization efficiency and reducing space waste.

[0016] 2. The utility model provides a dumbbell rack that is easy to adjust. When the motor rotates, the motor drives the second rotating shaft and the second gear on the left side to rotate. The second gear on the left side drives the tooth chain and the second gear at the rear end to rotate. The second gear at the rear end drives the rotating rod and the third gear to rotate. The third gear drives the second gear plate to slide on the inner wall of the limiting shell. The second gear plate drives the rear end supporting shell to move backward. The rear end supporting shell drives the square rod and the limiting rod to slide on the inner wall of the sleeve shell. The sleeve shell limits the square rod, and the supporting shell drives the upper supporting plate to move backward. The second rotating shaft and the third gear are driven to rotate through the positive and negative rotation of the motor. The third gear drives the second gear plate and the rear end supporting plate to adjust the width of the moving device forward and backward. In this way, the width adjustment of the dumbbell supporting frame is realized. By adjusting the width of the dumbbell supporting frame, it can be ensured that the dumbbells are firmly placed on the supporting frame, and the possibility of the dumbbells rolling or tipping over is avoided, thereby increasing the safety of using the dumbbells.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic structural diagram of a dumbbell rack that is easy to adjust in the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of a partial cross-section of a front view;

[0021] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0023] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure of A.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Support shell; 11. Support plate; 2. Installation mechanism; 21. Fixed clamp shell; 22. Mobile clamp shell; 23. Connecting rod; 24. Clamping rod; 25. Hollow plate; 26. Bidirectional motor; 27. First rotating shaft; 28. First gear; 29. ​​First gear plate; 210. Support plate; 3. Adjustment mechanism; 31. Top plate; 32. Square rod; 33. Sleeve shell; 34. Limit rod; 35. Motor; 36. Second rotating shaft; 37. Rotating rod; 38. Second gear; 39. Tooth chain; 310. Third gear; 311. Limit shell; 312. Second gear plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5As shown, the utility model is a dumbbell rack that is easy to adjust, including a support shell 1, the support shell 1, the inner wall of the front support shell 1 is rotatably connected with a support plate 11, and the top of the front support shell 1 is provided with an adjustment mechanism 3, the adjustment mechanism 3 includes a top plate 31 fixedly connected to the top of the front support shell 1, the rear end bottom of the top plate 31 contacts the top of the rear support shell 1, and the purpose of such a setting is to make the bottom of the top plate 31 contact with the rear support shell 1, the left and right sides of the rear end of the front support shell 1 are fixedly connected with square rods 32, the left and right sides of the front end of the rear support shell 1 are fixedly connected with sleeve shells 33, the inner wall of the sleeve shell 33 is sleeved and slidably connected with the outer wall of the square rod 32, and the rear end tops of the two square rods 32 are sleeved and fixed A limit rod 34 is connected, and the purpose of this arrangement is to rotate the motor 35. The top and bottom of the outer wall of the limit rod 34 are in contact with the inner wall of the casing 33. The top of the top plate 31 is sleeved and fixedly connected with the motor 35, and the output end of the motor 35 is fixedly connected with the second rotating shaft 36. The purpose of this arrangement is that the motor 35 drives the second rotating shaft 36 and the second gear 38 on the left side to rotate. The top rear end of the top plate 31 is sleeved and rotatably connected with a rotating rod 37. The second rotating shaft 36 and the outer wall top of the rotating rod 37 are sleeved and fixedly connected with the second gear 38. The inner walls of the second gear 38 on the left and at the rear end are meshed and connected with a toothed chain 39. The purpose of this arrangement is that the second gear 38 on the left drives the toothed chain 39 and the second gear 38 at the rear end to rotate. The third gear 310 is sleeved on the bottom of the outer wall of the rotating rod 37 and is fixedly connected to the third gear 310. The rear end of the front support shell 1 is fixedly connected to the limiting shell 311. The inner wall of the limiting shell 311 is sleeved on and slidably connected to the second gear plate 312. The purpose of this arrangement is that the second gear 38 at the rear end drives the rotating rod 37 and the third gear 310 to rotate, and the third gear 310 drives the second gear plate 312 to slide on the inner wall of the limiting shell 311. The rear end of the second gear plate 312 is fixedly connected to the front end of the rear support shell 1, and the outer wall of the second gear plate 312 is meshed with the inner wall of the third gear 310. The purpose of this arrangement is that the second gear plate 312 drives the rear end support shell 1 to move backward, and the rear end support shell 1 drives the square rod 32 and the limiting rod 34 to move backward. The inner wall of the sleeve 33 slides, and the sleeve 33 limits the square rod 32. The support shell 1 drives the upper support plate 11 to move backward, and the second rotating shaft 36 and the third gear 310 are driven to rotate by the forward and reverse rotation of the motor 35. The third gear 310 drives the second gear plate 312 and the rear end support plate 11 to adjust the width of the forward and backward moving device, so as to achieve the width adjustment of the dumbbell support frame. By adjusting the width of the dumbbell support frame, it can be ensured that the dumbbells are firmly placed on the support frame, avoiding the possibility of the dumbbells rolling or tipping over, thereby increasing the safety of using the dumbbells. The outer wall of the rear end support plate 11 is rotatably connected to the inner wall of the front end support plate 11, and the bottom end of the rear end support plate 11 is rotatably connected to the inner wall of the rear end support shell 1, and also includes;

[0028] The mounting mechanism 2 includes a fixed clamping shell 21 fixedly connected to the left and right sides of the front end of the front end support shell 1, the inner wall of the fixed clamping shell 21 is sleeved and slidably connected with a movable clamping shell 22, the left and right sides of the movable clamping shell 22 are fixedly connected with a connecting rod 23, the inner walls of the left and right sides of the support plate 11 are fixedly connected with a clamping rod 24, the outer wall of the clamping rod 24 is sleeved and slidably connected with a hollow plate 25, the front inner wall of the hollow plate 25 is in contact with the outer wall of the connecting rod 23, a bidirectional motor 26 is sleeved and fixedly connected at the rear end of the front end support plate 11, the output ends of both sides of the bidirectional motor 26 are fixedly connected with a first rotating shaft 27, the outer walls of the ends of the two first rotating shafts 27 away from each other are sleeved and fixedly connected with a first gear 28, and the left and right sides of the rear end of the front end support plate 11 are sleeved and slidably connected with a first gear plate 29 The purpose of such arrangement is that the bidirectional motor 26 rotates, the bidirectional motor 26 drives the first rotating shaft 27 and the first gear 28 to rotate, the first gear 28 drives the toothed chain 39 to slide downward on the inner wall of the support plate 11, and the first gear plate 29 drives the supporting plate 210 to move downward, and the ends of the two first gear plates 29 that are away from each other are fixedly connected with the supporting plates 210, and the ends of the supporting plates 210 that are away from each other are rotatably connected with the bottom inner walls of the ends of the two hollow plates 25 that are close to each other. The purpose of such arrangement is that the supporting plate 210 drives the hollow plates 25 to move downward, and the inner walls of the hollow plates 25 slide on the outer walls of the clamping rods 24 and pull the connecting rods 23 obliquely downward, and the connecting rods 23 drive the movable clamping shell 22 to slide on the inner wall of the fixed clamping shell 21, which can be adapted to different dumbbell bars for limited installation, so that dumbbells of different specifications can be placed, thereby improving space utilization efficiency and reducing space waste.

[0029] A specific application of this embodiment is: when the device is used, the bidirectional motor 26 rotates, the bidirectional motor 26 drives the first rotating shaft 27 and the first gear 28 to rotate, the first gear 28 drives the tooth chain 39 to slide downward on the inner wall of the support plate 11, the first gear plate 29 drives the support plate 210 to move downward, the support plate 210 drives the hollow plate 25 to move downward, the inner wall of the hollow plate 25 slides on the outer wall of the clamping rod 24 and pulls the connecting rod 23 obliquely downward, the connecting rod 23 drives the movable clamping shell 22 to slide on the inner wall of the fixed clamping shell 21, and can be adapted to different dumbbell rods for limited installation, so that dumbbells of different specifications can be placed, improving space utilization efficiency and reducing space waste.

[0030] When the device is used, the motor 35 rotates, and the motor 35 drives the second rotating shaft 36 and the second gear 38 on the left side to rotate. The second gear 38 on the left side drives the toothed chain 39 and the second gear 38 at the rear end to rotate. The second gear 38 at the rear end drives the rotating rod 37 and the third gear 310 to rotate. The third gear 310 drives the second gear plate 312 to slide on the inner wall of the limiting shell 311. The second gear plate 312 drives the rear end support shell 1 to move backward. The rear end support shell 1 drives the square rod 32 and the limiting rod 34 to slide on the inner wall of the sleeve shell 33. The sleeve 33 limits the square rod 32, and the support shell 1 drives the upper support plate 11 to move backward. The second rotating shaft 36 and the third gear 310 are driven to rotate by the forward and reverse rotation of the motor 35. The third gear 310 drives the second gear plate 312 and the rear end support plate 11 to adjust the width of the forward and backward moving device, thereby realizing the width adjustment of the dumbbell support frame. By adjusting the width of the dumbbell support frame, it can be ensured that the dumbbells are firmly placed on the support frame, avoiding the possibility of the dumbbells rolling or tipping over, thereby increasing the safety of using the dumbbells.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A dumbbell rack that is easy to adjust, comprising a support shell (1), wherein the inner wall of the support shell (1) at the front end is rotatably connected to a support plate (11), the outer wall of the support plate (11) at the rear end is rotatably connected to the inner wall of the front support plate (11), and the bottom end of the support plate (11) at the rear end is rotatably connected to the inner wall of the rear support shell (1), characterized in that: Also includes; The mounting mechanism (2) comprises a fixed clamping shell (21) fixedly connected to the left and right sides of the front end of the front support shell (1); the inner wall of the fixed clamping shell (21) is sleeved and slidably connected with a movable clamping shell (22); the left and right sides of the movable clamping shell (22) are fixedly connected with a connecting rod (23); the inner walls of the left and right sides of the support plate (11) are fixedly connected with a clamping rod (24); the outer wall of the clamping rod (24) is sleeved and slidably connected with a hollow plate (25); The front inner wall of the hollow plate (25) contacts the outer wall of the connecting rod (23); a bidirectional motor (26) is sleeved and fixedly connected to the rear end of the support plate (11) at the front end; both output ends of the bidirectional motor (26) are fixedly connected to a first rotating shaft (27); the outer walls of the ends of the two first rotating shafts (27) that are away from each other are sleeved and fixedly connected to a first gear (28); and the left and right sides of the rear end of the support plate (11) at the front end are sleeved and slidably connected to a first gear plate (29).

2. The easy-to-adjust dumbbell rack according to claim 1, characterized in that: The ends of the two first gear plates (29) that are away from each other are fixedly connected to a support plate (210), and the ends of the support plates (210) that are away from each other are rotatably connected to the bottom inner walls of the ends of the two hollow plates (25) that are close to each other.

3. The easy-to-adjust dumbbell rack according to claim 2, characterized in that: An adjustment mechanism (3) is provided on the top of the support shell (1) at the front end, and the adjustment mechanism (3) comprises a top plate (31) fixedly connected to the top of the front support shell (1), and the rear end bottom of the top plate (31) is in contact with the top of the rear end support shell (1).

4. The easily adjustable dumbbell rack according to claim 3, characterized in that: The left and right sides of the rear end of the support shell (1) at the front end are fixedly connected to square rods (32), and the left and right sides of the front end of the support shell (1) at the rear end are fixedly connected to sleeve shells (33), the inner wall of the sleeve shell (33) is sleeved and slidably connected to the outer wall of the square rods (32), and the rear end tops of the two square rods (32) are sleeved and fixedly connected to limit rods (34).

5. The easily adjustable dumbbell rack according to claim 4, characterized in that: The top and bottom of the outer wall of the limiting rod (34) are in contact with the inner wall of the casing (33); a motor (35) is sleeved on and fixedly connected to the top of the top plate (31); and a second rotating shaft (36) is fixedly connected to the output end of the motor (35).

6. The easily adjustable dumbbell rack according to claim 5, characterized in that: A rotating rod (37) is sleeved and rotatably connected to the top rear end of the top plate (31); a second gear (38) is sleeved and fixedly connected to the top of the outer wall of the second rotating shaft (36) and the rotating rod (37); and the inner walls of the second gear (38) located on the left side and at the rear end are meshed and connected to a toothed chain (39).

7. The easily adjustable dumbbell rack according to claim 6, characterized in that: A third gear (310) is sleeved and fixedly connected to the bottom of the outer wall of the rotating rod (37), and a limiting shell (311) is fixedly connected to the rear end of the supporting shell (1) at the front end, and a second gear plate (312) is sleeved and slidably connected to the inner wall of the limiting shell (311).

8. The easily adjustable dumbbell rack according to claim 7, characterized in that: The rear end of the second gear plate (312) is fixedly connected to the front end of the rear support shell (1), and the outer wall of the second gear plate (312) is meshingly connected to the inner wall of the third gear (310).