WO2023130736A1

WO2023130736A1 - Dumbbell bench

Info

Publication number: WO2023130736A1
Application number: PCT/CN2022/114307
Authority: WO
Inventors: 彭俊华; 洪正才
Original assignee: 深圳市倍思奇创新科技有限公司
Priority date: 2022-01-10
Filing date: 2022-08-23
Publication date: 2023-07-13
Also published as: CN217287045U

Abstract

The present application provides a dumbbell bench, comprising a first support leg (100), a second support leg (200), a first cushion (300), a second cushion (400), and engagement gears (500). The first cushion (300) is connected to the first support leg (100), and the second cushion (400) is connected to the second support leg (200). The first support leg (100) and the second support leg (200) are rotatably connected, the second support leg (200) being provided with limiting tooth sockets (201). The engagement gears (500) are slidably connected to the first support leg (100) and can be switched between a first position in which the engagement gears (500) are engaged with the limiting tooth sockets (201) so as to lock the angle between the first support leg (100) and the second support leg (200), and a second position in which the engagement gears (500) are disengaged from the limiting tooth sockets (201) so that the first support leg (100) and the second support leg (200) can rotate relative to each other.

Description

a dumbbell bench

Cross References to Related Applications

This application is based on a Chinese patent application with application number 202220053362.7 and a filing date of January 10, 2022, and claims the priority of this Chinese patent application. The entire content of this Chinese patent application is hereby incorporated into this application as a reference

technical field

This application belongs to the field of fitness equipment, and relates to but not limited to a dumbbell bench.

Background technique

Dumbbell bench is a kind of fitness auxiliary equipment. Dumbbell bench is often used to assist dumbbells to complete some necessary fitness actions, such as: incline dumbbell bench press, decline dumbbell bench press, flat dumbbell fly and so on. By practicing dumbbells, you can improve the control of joints and muscles in various parts of the body, exercise the small muscle groups around the target muscle group, and better stimulate the muscle tissue at the connecting parts of each muscle group. Let the muscle groups of various parts be connected more closely, and the muscles that are exercised will feel more coordinated. This type of targeted fitness action cannot be completed without the assistance of a dumbbell bench, and it is named after the function of the dumbbell bench.

During the use of the existing dumbbell bench, although its two supporting legs can be rotated to adjust the height required for the cushion, the gears for the two supporting legs to be rotated and adjusted are less. The angle at which the feet rotate relative to each other varies greatly, and it is impossible to finely adjust the angle between the two supporting feet, thereby making it impossible to finely adjust the required height of the cushion.

In addition, during use of the existing dumbbell stool, metal parts are exposed between the seat and the backrest, and the exposed metal parts may cause injury to the human body during use.

Contents of the invention

An embodiment of the present application provides a dumbbell bench, which includes a first support foot, a second support foot, a first back cushion, a second back cushion and a locking tooth;

The first back cushion is connected to the first support foot, the second back cushion is connected to the second support foot; the first support foot and the second support foot are rotatably connected, and the second support foot There is a limit tooth groove on the top;

The bayonet is slidably connected to the first supporting foot, and can be inserted into the limiting tooth groove to lock the first position of the angle between the first supporting foot and the second supporting foot and switch between the second position where the first supporting leg and the second supporting leg can be rotated relative to each other by disengaging from the limiting tooth groove.

In one of the embodiments, the first support leg is provided with a receiving slot, the limiting slot is connected to the receiving slot, and the locking teeth can be inserted into the receiving slot and Can slide along the receiving alveolar;

When the locking tooth is at the first position, a part of the locking tooth is inserted into the limiting slot, and the other part of the locking tooth is inserted into the receiving slot, so as to lock the The angle between the first supporting foot and the second supporting foot;

When the locking tooth is in the second position, the locking tooth is disengaged from the limiting slot and plugged into the receiving slot.

In one of the embodiments, a central shaft is connected to the first supporting foot; at least one of the two ends of the central shaft is provided with a pressing assembly, and the pressing assembly includes a button and an elastic member; the elastic member sleeves On the outer wall of the central shaft, both the locking teeth and the button are slidably connected to the central shaft, so that both the locking teeth and the button can move along the axial direction of the central shaft;

When the button is moved along the axial direction of the central shaft by an external force, the button can drive the latch to compress the elastic member and move from the first position to the second position along the axial direction of the central shaft;

When the external force is removed, the elastic member can apply an elastic restoring force to the locking teeth from the second position to the first position along the axial direction of the central shaft.

In one of the embodiments, the pressing assembly further includes a push rod, the push rod is slidably connected to the central shaft and located between the button and the latch, and the latch elastically abuts against the button through the elastic member. on the putter.

In one of the embodiments, the bottom of the first back cushion is fixed with a first support frame, the bottom of the second back cushion is fixed with a second support frame, and the first support frame and the second support frame rotate respectively connected to the push rod, so that the first support frame and the second support frame can rotate with the axis of the push rod as the rotation axis, so that the first back cushion and the second back cushion can turn each other.

In one of the embodiments, the outer wall of the push rod is provided with a first limiting portion protruding outward, and the first limiting portion is located on the side of the locking tooth facing away from the elastic member. The locking tooth elastically abuts against the first limiting portion through the elastic member; when the locking tooth is in the first position, the first limiting portion abuts against the first support frame or Lean against the second support frame.

In one of the embodiments, the pressing assembly further includes an end cover, the end cover is connected to the first support frame or the second support frame and is used to limit the button from falling off from the central axis.

In one of the embodiments, the first support leg is provided with a plurality of first slots arranged at intervals along the extending direction of the first support leg, and the first support frame and the first support leg At least one first connecting rod is connected between them, one end of the first connecting rod is hinged to the first support frame, and the other end of the first connecting rod is clamped in any one of the first slots, to adjust the angle between the first back cushion and the first support foot;

The second support leg is provided with a plurality of second slots arranged at intervals along the extending direction of the second support leg, and at least one first support frame is connected between the second support leg and the second support leg. Two connecting rods, one end of the second connecting rod is hinged to the second support frame, and the other end of the second connecting rod is engaged in any one of the second slots to adjust the second cushion and the angle between the second support foot.

In one of the embodiments, the dumbbell bench further includes a first sliding sleeve and a second sliding sleeve, both of the first sliding sleeve and the second sliding sleeve include a main body and an inserting block arranged on the main body, so The first connecting rod is rotatably connected to the main body of the first sliding sleeve, the second connecting rod is rotatably connected to the main body of the second sliding sleeve, and the plug-in block on the first sliding sleeve can be engaged with the In any one of the first slots, the inserting block on the second sliding sleeve can be snapped into any one of the second slots.

In one of the embodiments, a flexible member is connected between the first back cushion and the second back cushion.

The embodiment of the present application adjusts the height of the first back cushion and the second back cushion relative to the ground through the mutual rotation of the first support leg and the second support leg, so as to meet the user's need for adjusting the height of the dumbbell bench. When the height is adjusted properly , the user can use the locking teeth to be stuck in the limiting tooth slots to limit the mutual rotation of the first supporting foot and the second supporting foot, so that the first supporting foot and the second supporting foot can be stably placed on the ground. The structure of locking teeth is used to restrict the mutual rotation of the first supporting leg and the second supporting leg, which has the advantage of high reliability, and also enables the first supporting leg and the second supporting leg to have more adjustment gears.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only for the present application For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

Fig. 1 is the front view of the dumbbell bench provided by the embodiment of the present application;

Fig. 2 is the front view of the dumbbell bench provided by the embodiment of the present application when the first back cushion and the second back cushion are raised;

Fig. 3 is the structural representation of the dumbbell bench provided by the embodiment of the present application;

Fig. 4 is a structural schematic diagram of the dumbbell bench provided by the embodiment of the present application at another angle;

Fig. 5 is a schematic structural diagram of the first sliding sleeve provided in the embodiment of the present application;

Fig. 6 is a schematic structural view of the dumbbell bench provided in the embodiment of the present application when it is in a folded state;

Fig. 7 is an exploded schematic diagram of the first supporting foot and the second supporting foot provided by the embodiment of the present application;

Fig. 8 is a schematic structural view of the dumbbell bench provided by the embodiment of the present application after hiding the first back cushion and the second back cushion;

Fig. 9 is an exploded exploded view of the structure shown in Fig. 8;

Fig. 10 is a sectional view at A-A place in Fig. 1;

Fig. 11 is a front view of the latch provided by the embodiment of the present application.

Wherein, each reference sign in the figure:

10. Rotation axis;

100, the first supporting foot; 101, the receiving alveolar; 102, the first card slot; 103, the inner tube;

200, the second support foot; 201, the limit tooth groove; 202, the second card slot; 203, the outer tube;

300, the first cushion; 301, the first support frame; 3011, the first rotating part; 302, the first screw; 303, the first sliding sleeve; 3031, the main body; 3032, the socket part; 3033, the socket block;

400, the second cushion; 401, the second support frame; 4011, the second rotating part; 402, the second screw; 403, the second sliding sleeve;

500, locking teeth; 501, body; 502, convex teeth; 600, central shaft; 601, middle hole;

700, pressing assembly; 701, button; 7011, second limiting part; 702, elastic member; 703, push rod; 7031, first limiting part; 704, end cover; 7041, groove;

800, the first connecting rod; 900, the second connecting rod; 1000, the flexible member.

Detailed ways

The present application will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "height", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientation Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation , and therefore cannot be construed as limiting the application.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be described in detail below in conjunction with the accompanying drawings and embodiments.

Please refer to Fig. 1 and Fig. 2 together, and now the dumbbell bench provided by the embodiment of the present application will be described. The dumbbell bench mainly includes a first support leg 100 , a second support leg 200 , a first back cushion 300 and a second back cushion 400 . Wherein, the first support leg 100 and the second support leg 200 rotate mutually with the rotation axis 10 as the rotation axis, thereby adjusting the height of the first back cushion 300 and the second back cushion 400 relative to the ground. Wherein, the first back cushion 300 and the second back cushion 400 also rotate with the rotation axis 10 as the rotation axis, so as to meet the user's need for adjustable angles of the first back cushion 300 and the second back cushion 400 . Taking Fig. 1 as an example, Fig. 1 shows the height value H ₁ of the first back cushion 300 relative to the ground when the angle between the first support leg 100 and the second support leg 200 is α, and Fig. 2 is another example, Fig. 2 shows the height H ₂ of the first cushion 300 relative to the ground when the angle between the first supporting leg 100 and the second supporting leg 200 is β.

In another embodiment, the mutual rotation axis of the first back cushion 300 and the second back cushion 400 may be different from the mutual rotation axis of the first support foot 100 and the second support foot 200, but in this embodiment, the first back cushion 300 and the second backrest 400 rotation axis and the mutual rotation axis of the first support leg 100 and the second support leg 200 are uniformly designed on the same rotation axis 10, which makes the overall structure of the dumbbell bench look simpler and more Simple and beautiful.

Please refer to FIGS. 1-4 together. The bottom of the first cushion 300 is fixed with a first support frame 301 , and at least one first connecting rod 800 is connected between the first support frame 301 and the first support leg 100 . In this embodiment, considering that the structure requires better stability, the number of the first connecting rods 800 may be but not limited to two. In addition, two side surfaces of the first supporting foot 100 are respectively provided with a plurality of first engaging grooves 102 , and the plurality of first engaging grooves 102 are respectively arranged at intervals along the length direction of the first supporting foot 100 . One ends of the two first connecting rods 800 are respectively hinged on the first support frame 301 , and the other ends of the two first connecting rods 800 can be plugged into any corresponding first slot 102 . There are many kinds of hinged structure designs. In this embodiment, a first screw 302 is inserted between the first connecting rod 800 and the first supporting frame 301, so that the first connecting rod 800 and the first supporting frame 301 are The axes of the first screws 302 are mutually rotating shafts. In addition, please refer to FIG. 3 and FIG. 5 , a first sliding sleeve 303 is also connected between the two first connecting rods 800 , and the first sliding sleeve 303 includes a main body 3031 and sockets on both sides of the main body 3031 protruding outwards. part 3032, the bottom end of one of the first connecting rods 800 is sleeved on one of the insertion parts 3032, and the bottom end of the other first connecting rod 800 is sleeved on the other insertion part 3032, so that the two first The connecting rods 800 are respectively hinged with the first sliding sleeves 303, and the inner wall of the main body 3031 is provided with a protruding insertion block 3033, and the insertion block 3033 can be inserted into any one of the first card slots 102, so that the first The included angle θ between a back cushion 300 and the first support leg 100 is adjustable, thereby satisfying the user's need for an adjustable angle of the first back cushion 300 .

Please refer to FIGS. 1-4 together. The second support frame 401 is fixed on the bottom of the second cushion 400 , and at least one second connecting rod 900 is connected between the second support frame 401 and the second support foot 200 . In this embodiment, considering that the structure needs better stability, the number of the second connecting rods 900 can be but not limited to two. In addition, two side surfaces of the second supporting foot 200 are respectively provided with a plurality of second locking grooves 202 , and the plurality of second locking grooves 202 are respectively arranged at intervals along the length direction of the second supporting foot 200 . One ends of the two second connecting rods 900 are respectively hinged on the second supporting frame 401 , and the other ends of the two second connecting rods 900 can be plugged into any corresponding second card slot 202 . There are many kinds of hinged structure designs. In this embodiment, a second screw 402 is passed between the second connecting rod 900 and the second support frame 401, so that the second connecting rod 900 and the second support frame 401 The axes of the second screws 402 are mutually rotating shafts. In addition, a second sliding sleeve 403 is also connected between the two second connecting rods 900. The structure of the second sliding sleeve 403 is the same as that of the first sliding sleeve 303. The bottoms of the two second connecting rods 900 and the second sliding sleeve The sleeves 403 are hinged together, and the second sliding sleeve 403 is inserted into any second slot 202 through the socket block 3033 of the inner wall, so that the angle ψ between the second back cushion 400 and the second supporting foot 200 can be adjusted. Adjustment, thereby satisfying the user's need for the second back cushion 400 to be adjustable in angle.

Please refer to Fig. 6. Through the above-mentioned structural design, the manufacturer can expand the angle between the first support leg 100 and the second support leg 200 to the maximum when the manufacturer delivers the goods. At this time, the first sliding sleeve 303 is in the position of When the first supporting foot 100 is at a lower position, the second sliding sleeve 403 is at the lower position of the second supporting foot 200 , that is, at this time, the first sliding sleeve 303 and the second sliding sleeve 403 are at a position far away from the rotation axis 10 In the position, the dumbbell bench at this time is in a folded state that takes up less space, thereby reducing the cost of product transportation. In addition, when the user gets the dumbbell bench product, he only needs to snap the first sliding sleeve 303 into any one of the first slots 102 on the side of the first supporting leg 100, and snap the second sliding sleeve 403 to the second supporting leg. The first backrest 300 and the second backrest 400 can be adjusted to a suitable height in any second card slot 202 on the side of the 200, and the dumbbell bench designed with this structure does not need to be assembled by the user too many parts, thereby improving the height of the user. use experience.

Please refer to Fig. 1, Fig. 7-Fig. 10 together, the following is the design idea to realize that the first support foot 100, the second support foot 200, the first back cushion 300 and the second back cushion 400 all rotate around the rotation axis 10:

First, the top of the first supporting leg 100 is provided with an inner tube 103, and the top of the second supporting leg 200 is provided with an outer tube 203, and the outer diameter of the inner tube 103 and the inner diameter of the outer tube 203 have a clearance fit, so that the outer tube 203 can be placed on the on the outer wall of the inner tube 103 and rotate freely. Moreover, referring to FIG. 7 , an opening is provided on the cylindrical side wall of the outer tube 203 , through which, the limiting tooth groove 201 disposed close to the receiving tooth groove 101 can be seen. Referring again to FIG. 8 and FIG. 9 , when the inner tube 103 is sleeved on the outer tube 103 , the first supporting leg 100 passes through the opening, and the movement space of the first supporting leg 100 is also limited in the opening.

Secondly, both sides of the interior of the inner tube 103 are provided with accommodating slots 101, and both sides of the interior of the outer tube 203 are provided with limiting slots 201. When the outer tube 203 is placed on the outer wall of the inner tube 103, the two groups of accommodation The slots 101 and the limiting slots 201 are adjacent to each other, and the notches of the receiving slots 101 and the slots of the limiting slots 201 are similar to the shape of the gear.

The interior of the inner tube 103 is inserted with the above-mentioned central shaft 600, the axis of the central shaft 600 is the same as the rotation axis of the mutual rotation of the inner tube 103 and the outer tube 203, and the axis of the central shaft 600 passes through the above-mentioned rotation axis 10 , the two ends of the central shaft 600 are respectively sleeved with a locking tooth 500 , and the two locking teeth 500 are slidingly connected to the central shaft 600 , that is, the two locking teeth 500 can slide freely along the axial direction of the central shaft 600 . Please refer to Fig. 11, the shape of the locking tooth 500 is also similar to that of the gear. The locking tooth 500 includes a body 501 and a plurality of protruding teeth 502 arranged on the outer edge of the body 501 and arranged at circumferential intervals. In addition, considering the convenience of lifting The accuracy of dumbbell bench adjustment, in this embodiment, the distance between two adjacent first slots 102 is an integer multiple of the stroke between two adjacent protruding teeth 502, correspondingly, the distance between two adjacent first slots 102 The distance between the two engaging slots 202 is also an integral multiple of the stroke between two adjacent protruding teeth 502 . Moreover, the external dimensions of the locking tooth 500 and the notch of the receiving tooth groove 101 are mutually clearance fit, so that the locking tooth 500 can be plugged into the receiving tooth groove 101, and the external dimensions of the locking tooth 500 are also compatible with the limit tooth groove 201. The notches of each other are in clearance fit, so that the locking teeth 500 can be plugged into the limiting tooth slots 201 . When a part of the locking tooth 500 is inserted into the receiving tooth groove 101, and another part of the locking tooth 500 is inserted into the limiting tooth groove 201, the locking tooth 500 in this position can limit the mutual interaction between the inner tube 103 and the outer tube 203. Rotation means that the first supporting foot 100 and the second supporting foot 200 cannot rotate mutually at this time, and at this time the first supporting foot 100 and the second supporting foot 200 can be stably supported on the ground. When the locking teeth 500 are all inserted into the receiving slots 101, the inner tube 103 and the outer tube 203 can rotate mutually, that is, the first supporting leg 100 and the second supporting leg 200 can rotate mutually at this time, and then the first cushion can be adjusted 300 and the height of the second cushion 400 relative to the ground. In other words, the minimum adjustment angle for the mutual rotation adjustment of the first supporting leg 100 and the second supporting leg 200 is the included angle between two adjacent protruding teeth 502 arrayed in the circumferential direction. For example, please refer to FIG. 11 , Thirty protruding teeth 502 are arranged in the circumferential array on the outer edge of the latching tooth 500 shown in Fig. 11, that is, the angle between two adjacent protruding teeth 502 is 12° (360°÷30=12), then the first The minimum adjustment angle for the mutual rotation adjustment of the support leg 100 and the second support leg 200 is also 12°. At this time, the mutual rotation adjustment angle of the first support leg 100 and the second support leg 200 is a positive integer multiple of 12°. The angle between the first support foot 100 and the second support foot 200 is adjusted according to actual requirements. To sum up, adopting the structure of the locking teeth 500 to restrict the mutual rotation of the first supporting leg 100 and the second supporting leg 200 has the advantages of high reliability on the one hand, and can also hide the locking teeth 500 in the receiving slots 101 or Limiting the tooth slot 201, so the appearance of the dumbbell bench looks neater and more beautiful. On the other hand, the first supporting leg 100 and the second supporting leg 200 have more adjustment gears.

In order to simplify the user's operation difficulty, this embodiment also sets symmetrical pressing assemblies 700 at both ends of the central axis 600 , and the pressing assemblies 700 include a button 701 , an elastic member 702 and a push rod 703 . Wherein, the elastic member 702 is preferably a spring, and the sequence inserted into the outer wall of the central shaft 600 is the elastic member 702, the locking tooth 500 and the push rod 703, wherein the end of the elastic member 702 away from the locking tooth 500 is against the receiving tooth groove 101 bottom of the tank. In addition, the button 701 is also slidably connected to the central shaft 600, and the central shaft 600 is provided with a through hole 601. The central axis of the central hole 601 is the same as the axis of the central shaft 600 itself, and the button 701 can be inserted into the central hole 601. Thus, the button 701 can slide freely along the axial direction of the central axis 600 . When the user does not press the button 701, the elastic member 702 drives the locking tooth 500 to be positioned at the first position of the central shaft 600. This first position is the above mentioned: a part of the locking tooth 500 is inserted into the receiving tooth groove 101, and the locking tooth 500 Another part of the tooth 500 is plugged into the limiting tooth groove 201 , thereby limiting mutual rotation of the inner tube 103 and the outer tube 203 . When the user presses the button 701, the button 701 will push the push rod 703 and the locking tooth 500 to move along the axial direction of the central axis 600. At this time, the locking tooth 500 will gradually compress the elastic member 702, and finally the locking tooth 500 will Leave the limit tooth groove 201 and insert it into the receiving tooth groove 101 as a whole. At this time, it is the second position of the locking tooth 500 on the central axis 600. At this time, the inner tube 103 and the outer tube 203 can rotate mutually. When the inner tube 103 After the outer tube 203 is rotated to a proper position, the user can release the buttons 701 at both ends of the central axis 600 , and the elastic member 702 will drive the latch 500 to reset to the above-mentioned first position again. By designing the above-mentioned two pressing components 700, the user's operation difficulty can be greatly simplified and the user's experience can be improved.

The first supporting frame 301 is provided with two first rotating parts 3011, and the second supporting frame 401 is provided with two second rotating parts 4011, and the two first rotating parts 3011 are respectively sleeved on the corresponding two push rods 703. On the outer wall, the first support frame 301 can freely rotate around the axis of the push rod 703, and the two second rotating parts 4011 are respectively sleeved on the outer walls of the corresponding two push rods 703, so that the second support frame 401 can Rotate freely around the axis of push rod 703. Since the axis of the push rod 703 is the same as the axis of the central axis 600, both the first support frame 301 and the second support frame 401 can take the axis of the central axis 600 as the axis of rotation, that is, the first cushion is realized. 300 and the second back cushion 400 are designed with the center axis 600 as the rotation axis 10 . At the same time, the first rotating part 3011 also functions to limit the push rod 703 , and the second rotating part 4011 also functions to limit the button 701 . The outer wall of the push rod 703 is provided with a raised first limiting portion 7031 , under the elastic force of the elastic member 702 , the first limiting portion 7031 on the outer wall of the push rod 703 always abuts against the outer wall of the first rotating portion 3011 To prevent the push rod 703 from running out due to the force of the elastic member 702, to ensure that the elastic member 702 can always be in a compressed state. On the limiting part 7031, in other words, the first limiting part 7031 not only plays the role of limiting, the first limiting part 7031 can also increase the contact area between the push rod 703 and the locking tooth 500, ensuring that the card The tooth 500 is reliably switchable between the first position and the second position. The outer wall of the button 701 is provided with a raised second limiting portion 7011. When the button 701 is pressed, the second limiting portion 7011 on the outer wall of the button 701 will finally abut against the outer wall of the second rotating portion 4011, Therefore, the pressing stroke of the button 701 is limited, and the reliability and stability of the dumbbell bench are improved.

In addition, the pressing assembly 700 also includes an end cap 704, which is sleeved on the outer wall of the button 701 and screwed to the side of the second rotating part 4011. The end cap 704 plays a role of limiting the button 701 to prevent the button 701 from Drop directly from both ends of the bottom bracket 600. The end cover 704 is provided with a groove 7041, and the second limiting part 7011 on the outer wall of the button 701 is accommodated in the groove 7041. When the button 701 is pulled out by an external force, the second limiting part 7011 will be against It leans against the bottom of the groove 7041, so that the button 701 cannot be pulled out.

Please refer to FIG. 2 and FIG. 10 together. In the embodiment of the present application, a flexible member 1000 is also provided between the first back cushion 300 and the second back cushion 400. The flexible member 1000 is cloth, and one end of the flexible member 1000 is connected to the first back cushion 300. The other end of the flexible member 1000 is connected to the bottom of the second back cushion 400. When the angles of the first back cushion 300 and the second back cushion 400 are adjusted, the flexible member 1000 can align the outer tube 203 and the two second back cushions, both of which are made of metal. One rotating part 3011 and two second rotating parts 4011 are covered, so that the user will not touch the metal parts between the first backrest 300 and the second backrest 400 when using the dumbbell bench, thereby reducing the risk of injury to the user , thereby improving the user experience.

To sum up, the embodiment of the present application can adjust the height of the first back cushion 300 and the second back cushion 400 relative to the ground through the mutual rotation of the first support foot 100 and the second support foot 200, so as to meet the needs of the user for the first back cushion 300 Adjust the use requirements of the height, when the height is adjusted properly, the user can use the latch 500 to limit the mutual rotation of the first support foot 100 and the second support foot 200, so that the first support foot 100 and the second support foot 200 can be placed stably On the ground, and adopting the locking teeth 500 can make the first supporting foot 100 and the second supporting foot 200 have more adjustment gears. In addition, when the height is properly adjusted, the user can adjust the angle between the first back cushion 300 and the first support leg 100, and also adjust the angle between the second back cushion 400 and the second support leg 200, so that the first back cushion The angles of the cushion 300 and the second back cushion 400 meet its own use requirements.

The above are only some exemplary embodiments of the present application, and only describe the technical principles of the embodiments of the present application. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be construed as limiting the protection scope of the present application in any way. Based on the explanations here, any modifications, equivalent replacements and improvements made within the essence and principles of the application, and those skilled in the art who can think of other specific implementations of the application without creative work are all It should be included within the scope of protection of this application.

Claims

A dumbbell stool, comprising a first support foot, a second support foot, a first back cushion, a second back cushion and latches;

The first back cushion is connected to the first support foot, the second back cushion is connected to the second support foot; the first support foot and the second support foot are rotatably connected, and the second support foot There is a limit tooth groove on the top;

The bayonet is slidably connected to the first supporting foot, and can be inserted into the limiting tooth groove to lock the first position of the angle between the first supporting foot and the second supporting foot and switch between the second position where the first supporting leg and the second supporting leg can be rotated relative to each other by disengaging from the limiting tooth groove.
The dumbbell bench according to claim 1, wherein: the first supporting leg is provided with a receiving slot, the limiting slot communicates with the receiving slot, and the locking teeth can be plugged into the being accommodated in the alveolar and capable of sliding along the accommodating alveolar;

When the locking tooth is at the first position, a part of the locking tooth is inserted into the limiting slot, and the other part of the locking tooth is inserted into the receiving slot, so as to lock the The angle between the first supporting foot and the second supporting foot;

When the locking tooth is in the second position, the locking tooth is disengaged from the limiting slot and plugged into the receiving slot.
The dumbbell bench according to claim 2, wherein: a central axis is connected to the first supporting foot;

At least one of the two ends of the central shaft is provided with a pressing assembly, and the pressing assembly includes a button and an elastic member;

The elastic member is sleeved on the outer wall of the central shaft, and the locking teeth and the button are both slidably connected to the central shaft, so that both the locking teeth and the button can move along the axis of the central shaft. to move;

When the button is moved along the axial direction of the central shaft by an external force, the button can drive the latch to compress the elastic member and move from the first position to the second position along the axial direction of the central shaft;

When the external force is removed, the elastic member can apply an elastic restoring force to the locking teeth from the second position to the first position along the axial direction of the central shaft.
The dumbbell bench according to claim 3, wherein: the pressing assembly further includes a push rod, the push rod is slidably connected to the central shaft and is located between the button and the latch, and the latch passes through The elastic member elastically leans against the push rod.
The dumbbell bench according to claim 4, wherein: the bottom of the first back cushion is fixed with a first support frame, the bottom of the second back cushion is fixed with a second support frame, and the first support frame and the first support frame are The two support frames are respectively rotatably connected to the push rod, so that the first support frame and the second support frame can rotate with the axis of the push rod as the rotation axis, so that the first back cushion and the The second back cushions can rotate mutually.
The dumbbell bench according to claim 5, wherein: the outer wall of the push rod is provided with a first limiting portion protruding outward, and the first limiting portion is located at the side of the locking tooth facing away from the elastic member. On one side, the locking tooth elastically abuts against the first limiting portion through the elastic member; when the locking tooth is in the first position, the first limiting portion abuts against the first limiting portion A supporting frame or against the second supporting frame.
The dumbbell bench according to claim 5, wherein: said pressing assembly further comprises an end cover, said end cover is connected to said first support frame or said second support frame and is used to restrict said button from said off the shaft.
The dumbbell bench according to claim 5, wherein: the first support leg is provided with a plurality of first slots arranged at intervals along the extending direction of the first support leg, and the first support frame and the At least one first connecting rod is connected between the first supporting legs, one end of the first connecting rod is hinged to the first supporting frame, and the other end of the first connecting rod is clamped to any one of the first connecting rods. a slot to adjust the angle between the first back cushion and the first supporting foot;

The second support leg is provided with a plurality of second slots arranged at intervals along the extending direction of the second support leg, and at least one first support frame is connected between the second support leg and the second support leg. Two connecting rods, one end of the second connecting rod is hinged to the second support frame, and the other end of the second connecting rod is engaged in any one of the second slots to adjust the second cushion and the angle between the second support foot.
The dumbbell bench according to claim 8, wherein: the dumbbell bench further comprises a first sliding sleeve and a second sliding sleeve, and both the first sliding sleeve and the second sliding sleeve include a main body and a The plug block, the first connecting rod is rotatably connected to the main body of the first sliding sleeve, the second connecting rod is rotatably connected to the main body of the second sliding sleeve, and the plug on the first sliding sleeve The block can be snapped into any one of the first slots, and the inserting block on the second sliding sleeve can be snapped into any one of the second slots.
The dumbbell bench according to claim 1, wherein a flexible member is connected between the first back cushion and the second back cushion.
The dumbbell bench of claim 5, wherein:

The first supporting frame is also provided with two first rotating parts;

The second support frame is also provided with two second rotating parts;

Wherein, the two first rotating parts are respectively sleeved on the outer walls of the corresponding two push rods, so that the first support frame can freely rotate around the axis of the push rods;

The two second rotating parts are sleeved on the outer walls of the corresponding two push rods, so that the second support frame can freely rotate around the axis of the push rods.
The dumbbell bench according to claim 8, wherein the latching tooth comprises a body and a plurality of protruding teeth arranged at an outer edge of the body and arranged at intervals in the circumference, and wherein the first support leg and the The minimum adjustment angle for the mutual rotation adjustment of the second supporting legs is the included angle between two adjacent protruding teeth arranged in an array in the circumferential direction, and the number of locking teeth in the circumferential array on the outer edge of the locking teeth×minimum adjustment angle= 360°; the distance between two adjacent first slots is an integer multiple of the stroke between two adjacent convex teeth, and the distance between two adjacent second slots is also the distance between two adjacent Integer multiples of the stroke between the convex teeth.
The dumbbell bench according to claim 8, wherein a first screw is passed between the first connecting rod and the first supporting frame, so that the first connecting rod and the first supporting frame are The axes of the first screws are mutually rotating shafts;

A second screw is passed between the second connecting rod and the second supporting frame, so that the second connecting rod and the second supporting frame use the axis of the second screw as a rotation axis for mutual rotation.
A dumbbell stool, comprising: a first supporting foot, a second supporting foot, locking teeth, a central shaft, an inner tube, an outer tube, and wherein:

The top of the first supporting leg is provided with the inner tube, the top of the second supporting leg is provided with the outer tube, the central axis is inserted into the inner tube, and the outer tube is sleeved on the on the outer wall of the inner tube;

The first support leg is rotatably connected to the second support leg, and the outer tube is provided with limiting tooth grooves;

The bayonet is slidably connected to the first supporting foot, and can be inserted into the limiting tooth groove to lock the first position of the angle between the first supporting foot and the second supporting foot and switch between the second position where the first supporting leg and the second supporting leg can be rotated relative to each other by breaking away from the limiting tooth groove;

At least one of the two ends of the central shaft is provided with a pressing assembly, and the pressing assembly includes a button and an elastic member;

The elastic member is sleeved on the outer wall of the central shaft, and the locking teeth and the button are both slidably connected to the central shaft, so that both the locking teeth and the button can move along the axis of the central shaft. to move;

When the button is moved along the axial direction of the central shaft by an external force, the button can drive the latch to compress the elastic member and move from the first position to the second position along the axial direction of the central shaft;

When the external force is cancelled, the elastic member can apply an elastic restoring force to the locking teeth from the second position to the first position along the axial direction of the central shaft.
The dumbbell bench according to claim 14, wherein: the inner tube is provided with a receiving tooth groove, the limiting tooth groove communicates with the receiving tooth groove, and the locking tooth can be inserted into the receiving tooth in the slot and be able to slide along the receiving slot;

When the locking tooth is at the first position, a part of the locking tooth is inserted into the limiting slot, and the other part of the locking tooth is inserted into the receiving slot, so as to lock the The angle between the first supporting foot and the second supporting foot;

When the locking tooth is in the second position, the locking tooth is disengaged from the limiting slot and plugged into the receiving slot.
The dumbbell bench according to claim 14, wherein: the pressing assembly further comprises a push rod, the push rod is slidably connected to the central shaft and is located between the button and the latch, and the latch passes through The elastic member elastically leans against the push rod.
The dumbbell bench according to claim 14, wherein: said pressing assembly further comprises an end cover, said end cover is connected to said first support frame or said second support frame and is used to restrict said button from said off the shaft;

The end cover is provided with a groove, and a second limiting part is accommodated in the groove. When the button is pulled out by an external force, the second limiting part will abut against the The bottom of the groove, so that the button cannot be pulled out.
The dumbbell bench according to claim 14, wherein: the outer tube is further provided with an opening, and when the inner tube is sleeved on the outer wall of the outer tube, the opening provides a The movement space necessary for the rotation also limits the angle adjustment range of the first supporting foot.
The dumbbell bench according to claim 14, wherein: a central hole is provided in the central shaft, the central axis of the central hole is the same as the axis of the central shaft, and the button can be plugged into the central shaft. in the hole.
The dumbbell bench according to claim 16, wherein: the outer wall of the push rod is provided with a first limiting portion protruding outward, and the first limiting portion is located at the side of the locking tooth facing away from the elastic member. On one side, the latch elastically abuts against the first limiting portion through the elastic member;

A raised second limiting portion is provided on the outer wall of the button.