Backboard angle adjusting device and fitness stool

Abstract

The utility model belongs to the technical field of fitness equipment, and particularly relates to a backboard angle adjusting device and a fitness stool. The back plate assembly comprises a back plate body and rotating pieces installed on the two sides of one end of the back plate body, and each rotating piece is provided with a back plate hinging part and a back plate adjusting part. The two angle adjusting and positioning frames are arranged on the two sides of one end of the back plate assembly respectively, one end of each angle adjusting and positioning frame is fixedly connected with the fitness stool body, and the other end of each angle adjusting and positioning frame is hinged to the back plate hinge part on the rotating part; the two angle adjusting and positioning frames are provided with adjusting and positioning holes; the adjusting assembly comprises two oppositely-arranged positioning pin pieces, an elastic piece and a handle piece. The first ends of the two positioning pin pieces penetrate through the back plate adjusting part of the rotating piece and then can be inserted into the adjusting and positioning holes of the corresponding angle adjusting and positioning frames, and the second ends of the two positioning pin pieces are connected through an elastic piece; the non-handle end of the handle piece is connected with the two positioning pin pieces through a connecting rod structure and used for controlling stretching and retracting of the positioning pin pieces.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of body -building equipment, specifically relates to a backboard angle adjusting device and body -building stool. BACKGROUND

[0002] With the development of society, people's demand for fitness is growing, and fitness equipment is also developing and innovating. For the body-building stool, its function is no longer limited to meeting the basic fitness needs of users, but is moving towards a more humanized, multifunctional, comfortable to use and reasonable to store direction.

[0003] In the limited indoor living space, the convenience of storage becomes a problem that people focus on. In order to reduce the indoor space occupied by the body-building stool, many foldable or standing models appear on the market, providing consumers with more choices for placing the body-building stool, and are highly praised by the majority of consumers.

[0004] The body-building stool on the market at present, such as shown in the figure, although meets the fitness needs of users to some extent, but also has some obvious shortcomings. Such as: its backboard adjusting mode is extremely inconvenient, needs to manually lift the backboard first, then adjusts the supporting rod, this operation mode is tedious, for the user who pursues convenience, no doubt is a big trouble. Secondly, its structure is completely exposed, which is not only not beautiful, but also has a certain safety risk. Figure 1 Based on this, the utility model provides a novel backboard angle adjusting device and body-building stool to overcome the above defects.

[0005] UTILITY MODEL CONTENTS The utility model provides a backboard angle adjusting device, which controls the extension and retraction of the positioning pin through the handle, is simple and intuitive to operate, and can easily adjust the angle of the backboard without the need for complex tools or tedious steps, greatly improving the convenience of use. At the same time, different adjusting positioning holes correspond to different angles, which can meet the needs of users for different training angles and improve the targeting and effect of training.

[0006] The utility model adopts the following technical scheme: a backboard angle adjusting device is used for being installed on a body-building stool main body, which comprises:

[0007] A backboard assembly comprises a backboard main body and rotating pieces installed on both sides of one end of the backboard main body, and the rotating pieces are provided with a backboard hinged part and a backboard adjusting part;

[0008] The backboard assembly comprises a backboard main body and rotating pieces installed on both sides of one end of the backboard main body, and the rotating pieces are provided with a backboard hinged part and a backboard adjusting part;

[0009] Two angle adjustment positioning frames, two said angle adjustment positioning frames are respectively arranged on both sides of one end of the backboard assembly, one end of the angle adjustment positioning frame is fixedly connected with the body of the exercise bench, and the other end is hingedly connected with the backboard hinged part on the rotating part; and both of the angle adjustment positioning frames have adjustment positioning holes;

[0010] An adjustment assembly, the adjustment assembly comprises two oppositely arranged positioning pins, an elastic member, and a handle member; wherein the first end of the two positioning pins can be inserted into the corresponding adjustment positioning hole of the angle adjustment positioning frame after passing through the backboard adjustment part of the rotating part, and the second end of the two positioning pins is connected by an elastic member; the non-handle end of the handle member is connected with the two positioning pins through a connecting rod structure, for controlling the extension and contraction of the positioning pins.

[0011] Further, the upper surface of the body of the exercise bench is inwardly recessed to form a containing space, and the angle adjustment positioning frame is fixedly installed in the containing space of the body of the exercise bench, when the backboard angle adjustment device is in the storage state, the backboard angle adjustment device is completely built-in in the containing space.

[0012] Further, the angle adjustment positioning frame comprises a connecting part for fixed connection with the body of the exercise bench, and a fan-shaped angle positioning disc part; wherein the fan-shaped angle positioning disc part has a plurality of adjustment positioning holes arranged at intervals.

[0013] Further, the adjustment positioning holes are arranged at equal intervals along the outer edge of the fan-shaped angle positioning disc part.

[0014] Further, the elastic member is a telescopic spring.

[0015] Further, the connecting rod structure comprises a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are both L-shaped;

[0016] The first connecting rod and the second connecting rod both have a handle connecting end, a connecting rod hinged end, and a pin hinged end; the handle connecting end is connected with the handle member, the connecting rod hinged end is hingedly installed on the backboard assembly, and the pin hinged end is connected with the positioning pin; when the handle member is pulled, the first connecting rod and the second connecting rod are both rotated around the connecting rod hinged end, thereby controlling the extension and contraction of the positioning pin.

[0017] Further, the handle connecting end of the first connecting rod and the second connecting rod is connected with the handle member through a vertical shaft;

[0018] The handle connecting end of the first connecting rod and the second connecting rod is respectively hingedly connected with both ends of the vertical shaft, and the handle member is connected with the middle part of the vertical shaft.

[0019] Further, the handle piece includes a pull rope, one end of the pull rope is fixedly connected with the middle part of the vertical shaft through the upper hanging plate piece on the back plate body, and the direction of the pull rope is perpendicular to the extension direction of the positioning pin piece.

[0020] Further, the other end of the pull rope is formed with a ring-shaped hand holding part.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] In the utility model, when working, the first end of the positioning pin piece is inserted into a certain adjustment positioning hole of the angle adjustment positioning frame, at this time, the back plate assembly is at a certain specific angle, the elastic piece is in a natural state or slightly stretched state, a certain pre-tightening force is provided for the positioning pin piece, and the stability of the back plate angle is ensured. Then, the user can hold the handle piece, and drive the connecting rod structure to move through the non-handle end of the handle piece. The connecting rod structure transmits the movement to the positioning pin piece, so that the positioning pin piece overcomes the elastic force of the elastic piece and is retracted from the adjustment positioning hole of the angle adjustment positioning frame. At this time, the fixed relationship between the back plate assembly and the angle adjustment positioning frame is released, and the back plate assembly can be freely rotated. Then, the user can manually adjust the angle of the back plate assembly, and the back plate assembly rotates around the hinge point of the angle adjustment positioning frame through the rotating piece. When the back plate assembly is adjusted to the required angle, the user releases the handle piece, and under the action of the elastic force of the elastic piece, the positioning pin piece is pushed to the angle adjustment positioning frame. The first end of the positioning pin piece is inserted into the corresponding adjustment positioning hole after passing through the back plate adjustment part of the rotating piece, and the fixation of the angle of the back plate assembly is realized again.

[0023] The back plate angle adjustment device controls the extension and retraction of the positioning pin piece through the handle piece, is simple and intuitive to operate, the user can easily adjust the angle of the back plate, does not need complicated tools or cumbersome steps, and the convenience of use is greatly improved. And through the cooperation of the positioning pin piece and the adjustment positioning hole of the angle adjustment positioning frame, accurate angle fixation can be realized, different adjustment positioning holes correspond to different angles, the needs of users for different training angles can be met, and the pertinence and effect of training can be improved.

[0024] Meanwhile, one end of the angle adjustment positioning frame is fixedly connected with the body of the exercise bench, and the other end is hingedly connected with the rotating piece, so that stable support is provided for the back plate assembly. In the use process, the back plate does not shake or loosen, and the safety of the user is ensured.

[0025] In addition, after the positioning pin piece is inserted into the adjustment positioning hole, the angle of the back plate can be fixed firmly, the back plate is prevented from moving or tilting suddenly in the exercise process, and the risk of injury is reduced. Meanwhile, the design of the handle piece also makes the user safer in the operation process.

[0026] The utility model discloses another purpose at providing a kind of fitness stool, it includes the backboard angle adjusting device described above. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0028] Figure 1 It is the structure schematic diagram of fitness stool in prior art;

[0029] Figure 2 It is the structure schematic diagram of backboard angle adjusting device in the embodiment of the utility model;

[0030] Figure 3 It is Figure 2 the structure schematic diagram after removing part component in Figure 1 ;

[0031] Figure 4 It is Figure 2 the structure schematic diagram after removing part component in Figure 2 ;

[0032] Figure 5 It is Figure 2 the structure schematic diagram after removing part component in Figure 3 ;

[0033] Figure 6 It is the structure schematic diagram of fitness stool in the embodiment of the utility model; Figure 1 ;

[0034] Figure 7 It is the structure schematic diagram of fitness stool in the embodiment of the utility model; Figure 2 ;

[0035] Among them: fitness stool main body 1, accommodating space 10;Backboard assembly 2, backboard main body 20, rotating piece 21, backboard hinged part 211, backboard adjusting part 212, upper hanging plate piece 22;Angle adjusting positioning frame 3, adjusting positioning hole 30, connecting part 31, fan-shaped angle positioning disc part 32;Adjusting assembly 4, positioning pin piece 40, elastic piece 41, handle piece 42, pull rope 421, annular hand-held part 422, connecting rod structure 43, first connecting rod 431, second connecting rod 432, handle connecting end 433, connecting rod hinged end 434, pin hinged end 435, vertical shaft 436;Angle support 5, long slot 50. DETAILED DESCRIPTION

[0036] The technical solutions of the 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 protection scope of this utility model.

[0037] The following is in conjunction with the appendix Figure 7 To be continued Figures 2-7 The present invention will be described in detail with reference to specific embodiments:

[0038] like Figure 6 As shown, this utility model provides a backrest angle adjustment device for installation on the main body 1 of a fitness bench, which includes a backrest assembly 2, two angle adjustment positioning frames 3 and an adjustment assembly 4.

[0039] The back panel assembly 2, as an important component of the device, provides back support for the user. The back panel assembly 2 includes a back panel body 20 and rotating parts 21 installed on both sides of one end of the back panel body 20. The rotating parts 21 are provided with a back panel hinge part 211 and a back panel adjustment part 212, which are used to achieve hinge connection and angle adjustment function with the angle adjustment positioning frame 3.

[0040] Two angle adjustment positioning frames 3 are respectively disposed on both sides of one end of the back panel assembly 2. One end of the angle adjustment positioning frame 3 is fixedly connected to the main body 1 of the fitness bench, and the other end is hinged to the back panel hinge part 211 on the rotating part 21. Both angle adjustment positioning frames 3 have adjustment positioning holes 30.

[0041] The adjusting assembly 4 comprises two oppositely arranged positioning pin members 40, an elastic member 41 and a handle member 42. The first ends of the two positioning pin members 40 are inserted into the corresponding adjusting positioning holes 30 of the angle adjusting positioning frame 3 after passing through the back plate adjusting part 212 of the rotating member 21, so as to fix the angle of the back plate assembly 2. The second ends of the two positioning pin members 40 are connected by the elastic member 41, so as to provide the elastic force for the reset of the positioning pin members 40. The non-handle end of the handle member 42 is connected with the two positioning pin members 40 through the connecting rod structure 43, so as to control the extension and contraction of the positioning pin members 40, and then adjust the angle of the back plate assembly 2. In the embodiment, the elastic member 41 is a telescopic spring. The telescopic spring has good elastic performance, and can provide stable elastic force after the positioning pin members 40 are pulled out of the adjusting positioning holes 30. When the user adjusts the angle of the back plate, the spring can ensure that the positioning pin members 40 are quickly reset after the handle member 42 is released, and are inserted into the corresponding adjusting positioning holes 30, so as to reliably fix the angle of the back plate. Specifically, the elastic force of the telescopic spring can be selected and adjusted according to actual requirements, so as to meet different use scenes and user requirements.

[0042] In the back plate angle adjusting device, the first end of the positioning pin member 40 is inserted into a certain adjusting positioning hole 30 of the angle adjusting positioning frame 3, and at this time, the back plate assembly 2 is at a certain specific angle, and the elastic member 41 is in a natural state or a slightly stretched state, so as to provide a certain pre-tightening force for the positioning pin members 40, and ensure the stability of the back plate angle. Then, the user can hold the handle member 42, and drive the connecting rod structure 43 to move through the non-handle end of the handle member 42. The connecting rod structure 43 transmits the movement to the positioning pin members 40, so that the positioning pin members 40 overcome the elastic force of the elastic member 41, and are retracted from the adjusting positioning hole 30 of the angle adjusting positioning frame 3. At this time, the fixed relationship between the back plate assembly 2 and the angle adjusting positioning frame 3 is released, and the back plate assembly 2 can be freely rotated. Then, the user can manually adjust the angle of the back plate assembly 2, and the back plate assembly 2 rotates around the hinge point of the angle adjusting positioning frame 3 through the rotating member 21. When the back plate assembly 2 is adjusted to the required angle, the user releases the handle member 42, and the positioning pin members 40 are pushed to the angle adjusting positioning frame 3 under the elastic force of the elastic member 41. The first end of the positioning pin members 40 is inserted into the corresponding adjusting positioning hole 30 after passing through the back plate adjusting part 212 of the rotating member 21, and the angle of the back plate assembly 2 is fixed again. The back plate angle adjusting device has simple structure, is convenient for production and installation, and has low manufacturing cost.

[0043] The backboard angle adjusting device controls the extension and retraction of the positioning pin 40 through the handle 42, which is simple and intuitive to operate. Users can easily adjust the angle of the backboard without the need for complex tools or tedious steps, greatly improving the convenience of use. By cooperating the positioning pin 40 with the adjusting positioning hole 30 of the angle adjusting positioning frame 3, precise angle fixing can be achieved. Different adjusting positioning holes 30 correspond to different angles, which can meet the needs of users for different training angles and improve the targeting and effectiveness of training.

[0044] At the same time, one end of the angle adjusting positioning frame 3 is fixedly connected with the exercise bench body 1, and the other end is hingedly connected with the rotating piece 21, which provides stable support for the backboard assembly 2. During use, the backboard will not shake or loosen, ensuring the safety of the user.

[0045] In addition, after the positioning pin 40 is inserted into the adjusting positioning hole 30, it can firmly fix the angle of the backboard, preventing sudden movement or tilting of the backboard during exercise, thereby reducing the risk of injury. At the same time, the design of the handle 42 ensures that the entire operator is outside the backboard, making the user more secure during operation.

[0046] Further, in some specific embodiments, the upper surface of the exercise bench body 1 is inwardly recessed to form a containing space 10, and the angle adjusting positioning frame 3 is fixedly installed in the containing space 10 of the exercise bench body 1. When the backboard angle adjusting device is in the storage state, the backboard angle adjusting device is completely built-in in the containing space 10. The rotating piece 21 is provided with a backboard hinged part 211 and a backboard adjusting part 212 for realizing hinged connection and angle adjusting function with the angle adjusting positioning frame 3. When it needs to be stored, the backboard assembly 2 is adjusted to a position parallel to the exercise bench body 1 through the rotation of the rotating piece 21, so that the entire backboard angle adjusting device can be compactly placed in the containing space 10. By providing the inwardly recessed containing space 10 on the exercise bench body 1, the backboard angle adjusting device is completely built-in when not in use, greatly improving the space utilization. For families, offices or small gyms with limited space, this design can make the exercise bench occupy less space when not in use, making it easier to place and store, while improving the aesthetics.

[0047] Further, in some embodiments, the angle adjustment positioning frame 3 comprises a connecting part 31 for fixed connection with the exercise bench body 1, and a fan-shaped angle positioning disc part 32; wherein the fan-shaped angle positioning disc part 32 has a plurality of interval arranged adjustment positioning holes 30. And the adjustment positioning holes 30 are arranged along the outer edge of the fan-shaped angle positioning disc part 32 at equal intervals. The fan-shaped angle positioning disc part 32 provides a larger angle adjustment range, as it is fan-shaped, it can cover a certain angle interval, meeting the needs of users for different backboard angles. In this embodiment, five adjustment positioning holes 30 are provided, wherein when the positioning pin member 40 is located in the innermost one of the adjustment positioning holes 30, the backboard assembly 2 has been adjusted to a position parallel to the exercise bench body 1, the structural design is more in line with ergonomics, and the user can easily perceive the limiting effect from visual and auditory senses during the operation of folding and storing.

[0048] Further, in some embodiments, the connecting rod structure 43 comprises a first connecting rod 431 and a second connecting rod 432, both of which are L-shaped.

[0049] Wherein, the first connecting rod 431 and the second connecting rod 432 both have a handle connecting end 433, a connecting rod hinged end 434, and a pin hinged end 435. The handle connecting end 433 is connected with the handle member 42, the connecting rod hinged end 434 is hingedly installed on the backboard assembly 2, and the pin hinged end 435 is connected with the positioning pin member 40. When the handle member 42 is pulled, the first connecting rod 431 and the second connecting rod 432 both rotate around the connecting rod hinged end 434, thereby controlling the extension and retraction of the positioning pin member 40.

[0050] Specifically, the handle connecting end 433 of the first connecting rod 431 and the second connecting rod 432 is connected with the handle member 42 through a vertical shaft 436.

[0051] The handle connecting end 433 of the first connecting rod 431 and the second connecting rod 432 is hingedly connected with both ends of the vertical shaft 436, and the handle member 42 is connected with the middle part of the vertical shaft 436.

[0052] In the embodiment, the corresponding angle supporting piece 5 is arranged between the rotating pieces 21 on both sides of the back plate body 20, and a long hole 50 is correspondingly arranged at the installation position of the handle connecting end 433 and the pin hinged end 435 of the angle supporting piece 5, which plays a limiting and guiding role. The limiting and guiding role of the long hole 50 ensures that the movement track of the first connecting rod 431 and the second connecting rod 432 is accurate, and when the handle piece 42 is pulled, the handle connecting end 433 and the pin hinged end 435 can only move within the range defined by the long hole 50, which enables the positioning pin piece 40 to accurately cooperate with the adjusting positioning hole 30, realizes accurate adjustment of the angle of the back plate, avoids inaccurate positioning caused by unstable movement of the connecting rod, and improves the operation accuracy and reliability.

[0053] Further, in some embodiments, the handle piece 42 comprises a pull rope 421, one end of the pull rope 421 is fixedly connected with the middle part of the vertical shaft 436 through the upper hanging plate piece 22 on the back plate body 20, and the direction of the pull rope 421 is perpendicular to the extension direction of the positioning pin piece 40. Correspondingly, the pull rope 421 is limited to a certain extent through the upper hanging plate piece 22, so that the pull rope 421 cannot shake or deviate greatly during pulling. When a user operates the handle piece, the pull rope 421 can move along a relatively fixed path, so that the force can be more accurately transmitted to the connecting rod structure 43, and the extension of the positioning pin piece 40 is controlled. Meanwhile, in the embodiment, the other end of the pull rope 421 is formed with a ring-shaped hand holding part 422. The ring-shaped hand holding part 422 can prevent the hands from slipping during operation. During fitness, the user may sweat or use the hands improperly, and if the handle piece 42 is easy to slip, an accident may occur. The ring-shaped hand holding part 422 provides better holding stability and reduces the safety risk.

[0054] The utility model discloses a back plate angle adjusting device on the basis of above, still provides a fitness stool, as shown in ​ 、 7 The utility model discloses a fitness stool that adopts all technical schemes of all embodiments of the back plate angle adjusting device, and therefore at least has all beneficial effects brought by the technical schemes of the embodiments of the back plate angle adjusting device, which will not be repeated here.

[0055] The above is further described by specific embodiments, but it should be understood that the specific description here should not be understood as limiting the essence and scope of the utility model, and various modifications of the above embodiments made by ordinary skilled persons in the art after reading the specification all belong to the scope protected by the utility model.

Claims

1. A back pad angle adjustment device for mounting on a bench body, characterized by: It includes: Backplate assembly, the backplate assembly includes backplate body, and the rotating piece installed in both sides of one end of the backplate body, the rotating piece is equipped with backplate hinge part and backplate adjusting part; Two angle adjustment positioning frames, two angle adjustment positioning frames are respectively arranged in both sides of one end of the backplate assembly, one end of the angle adjustment positioning frame is fixedly connected with the body of the exercise stool, and the other end is hingedly connected with the backplate hinge part on the rotating piece, and two angle adjustment positioning frames are provided with adjusting positioning holes; Adjusting assembly, the adjusting assembly includes two oppositely arranged positioning pins, elastic members and handle members, wherein the first end of two positioning pins is inserted into the adjusting positioning hole of the corresponding angle adjustment positioning frame after passing through the backplate adjusting part of the rotating piece, and the second end of two positioning pins is connected by elastic members, and the non-handle end of the handle member is connected with two positioning pins by connecting rod structure, for controlling the extension and contraction of the positioning pin.

2. The backplate angle adjusting device according to claim 1, wherein: The upper surface of the exercise stool body is inwardly recessed to form a containing space, and the angle adjustment positioning frame is fixedly installed in the containing space of the exercise stool body, and when the backplate angle adjusting device is in the storage state, the backplate angle adjusting device is completely built-in in the containing space.

3. The backplate angle adjusting device according to claim 1, wherein: The angle adjustment positioning frame includes a connecting part for fixedly connecting with the body of the exercise stool, and a fan-shaped angle positioning disc part, wherein the fan-shaped angle positioning disc part has a plurality of adjusting positioning holes arranged at intervals.

4. The backplate angle adjusting device according to claim 3, wherein: The adjusting positioning holes are arranged at intervals along the outer edge of the fan-shaped angle positioning disc part.

5. The backplate angle adjusting device according to claim 1, wherein: The elastic member is a telescopic spring.

6. The backplate angle adjusting device according to claim 1, wherein: The connecting rod structure includes a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are both L-shaped; Wherein, the first connecting rod and the second connecting rod both have a handle connecting end, a connecting rod hinged end and a pin hinged end, the handle connecting end is connected with the handle member, the connecting rod hinged end is hingedly installed on the backplate assembly, and the pin hinged end is connected with the positioning pin, when the handle member is pulled, the first connecting rod and the second connecting rod are both rotated around the connecting rod hinged end, thereby controlling the extension and contraction of the positioning pin.

7. The backplate angle adjusting device according to claim 6, wherein: The handle connecting end of the first connecting rod and the second connecting rod is connected with the handle member through a vertical shaft; The handle connecting end of the first connecting rod and the second connecting rod is hingedly connected with both ends of the vertical shaft, and the handle member is connected with the middle part of the vertical shaft.

8. The backplate angle adjusting device according to claim 7, wherein: The handle piece includes a pull rope, one end of the pull rope is fixedly connected with the middle part of the vertical shaft through an upper hanging plate piece on the back plate body, and the direction of the pull rope is perpendicular to the extension direction of the positioning pin piece.

9. The backplate angle adjustment device of claim 1, wherein: The other end of the pull rope is formed with a ring-shaped hand holding part.

10. An exercise bench characterized by: A backplate angle adjustment device according to any one of claims 1 to 9.

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