A fitness bicycle with quick height adjustment

Abstract

The utility model relates to the technical field of body -building bicycle, and disclose a kind of body -building bicycle of quick adjustment height, including chassis, the top of chassis is fixedly installed with forecarriage, the top of forecarriage is fixedly installed with grip lever;Drive box is fixedly installed at the top of chassis, the top of drive box is fixedly installed with conduit, the inside of conduit is provided with lifting assembly;Cushion is installed at the top of lifting assembly, and the height of cushion is limited by lifting assembly. By setting lifting rod can be along conduit and be lifted to adjust the height of cushion, in the adjustment process, the slider of inner wall slides along the sliding slot, drives the rolling of the ball on the both sides of sliding slot inner wall, reduces the friction between conduit and lifting rod, reduces the force required when adjusting, after adjusting, the adjusting ring on conduit can be rotated, so that the clamping column of adjusting ring inner wall enters into horizontal groove and is limited, it is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of exercise bike technology, specifically an exercise bike with rapidly adjustable height. Background Technology

[0002] Exercise bikes, also known as stationary bikes, are standard equipment that allows for adjustable exercise intensity to achieve fitness benefits. They are a typical type of aerobic fitness equipment that simulates outdoor exercise and are also called cardiovascular training equipment. They primarily promote cardiovascular health, accelerate metabolism, and enhance heart and lung function through prolonged, appropriately intense exercise, thereby improving overall physical fitness.

[0003] For example, Chinese Patent CN103537068B discloses an exercise bicycle including a frame, a pedaling device mounted on the frame, a head unit mounted on the upper front of the frame, and a seat unit mounted on the upper rear of the frame. The seat support tube of the seat unit is fixed to the seat connecting tube via a seat height adjustment knob; the head tube of the head unit is fixed to the head connecting tube via a head height adjustment knob. A damping adjustment device for adjusting the rotational damping of the flywheel is provided above the pedaling device. This exercise bicycle has simplified components, is easy to assemble, has a stable frame structure, and the heights of both the head unit and the seat unit can be easily adjusted, making it convenient and comfortable to use. Traditional exercise bicycle seat height adjustment mostly uses a knob-fixed method. Loosening the knob during adjustment reduces friction, but there is still a lot of friction. It is difficult for some people with less strength or children to adjust the seat height. Therefore, an exercise bicycle with quick height adjustment is proposed to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved In view of the shortcomings of the existing technology, this utility model provides a fitness bicycle with quick height adjustment, which has the advantages of easy seat height adjustment and solves the problem of difficult seat height adjustment in traditional methods.

[0005] (II) Technical Solution To achieve the above-mentioned purpose of facilitating seat height adjustment, this utility model provides the following technical solution: a fitness bicycle with quick height adjustment, including a base frame, a front frame fixedly installed at the top of the base frame, and a grip bar fixedly installed at the top of the front frame; A drive box is fixedly installed on the top of the base frame. A guide tube is fixedly installed on the top of the drive box, and a lifting component is provided inside the guide tube. The seat cushion is installed at the top of the lifting assembly, which limits the height of the seat cushion.

[0006] Preferably, a slide is fixedly installed at the bottom of the seat cushion, and a guide is provided at the bottom of the slide. The slide and the guide are slidably connected. A knob for limiting the position of the slide is provided at the bottom of the guide. The position of the seat cushion can be adjusted along the guide by the slide at the bottom.

[0007] Preferably, the lifting assembly includes a lifting rod inserted inside the guide tube, with the top end of the lifting rod fixedly connected to the bottom end of the guide frame. A slider is integrally installed on the inner wall of the guide tube. A groove matching the slider is formed on one outer surface of the lifting rod. The guide tube and the lifting rod are slidably connected through the slider and the groove. Several balls are embedded on both sides of the inner wall of the groove. During adjustment, the slider on the inner wall slides along the groove, causing the balls on both sides of the inner wall of the groove to roll, reducing the friction between the guide tube and the lifting rod, and reducing the force required for adjustment.

[0008] Preferably, an adjusting ring is rotatably connected to the top of the lifting rod, and a locking post is integrally installed on the inner wall of the adjusting ring. A vertical groove is opened on the outer surface of the other side of the lifting rod, and one end of the adjusting ring is inserted into the vertical groove. Several horizontal grooves are opened on one side of the vertical groove on the outer surface of the lifting rod. After the inner wall of the adjusting ring is adjusted, the adjusting ring on the guide tube can be rotated to allow the locking post on the inner wall of the adjusting ring to enter the horizontal groove for limiting.

[0009] (III) Beneficial Effects Compared with the prior art, this utility model provides a fitness bike with quick height adjustment, which has the following beneficial effects: The height of the seat cushion can be adjusted by raising and lowering the lifting rod along the guide tube. During the adjustment process, the slider on the inner wall slides along the slide groove, causing the ball bearings on both sides of the inner wall of the slide groove to roll, reducing the friction between the guide tube and the lifting rod, and reducing the force required for adjustment. After the adjustment is completed, the adjusting ring on the guide tube can be rotated to allow the locking pin on the inner wall of the adjusting ring to enter the horizontal groove for limiting, which is quite convenient. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the installation structure of the seat cushion of this utility model; Figure 3 The explosion of the lifting pole installation structure of this utility model Figure 1 ; Figure 4 The explosion of the lifting pole installation structure of this utility model Figure 2 .

[0011] In the diagram: 1. Base frame; 11. Front frame; 12. Handle bar; 2. Drive box; 21. Guide tube; 22. Lifting rod; 23. Slide groove; 24. Ball bearing; 25. Slider; 26. Adjusting ring; 261. Locking post; 27. Vertical groove; 271. Horizontal groove; 3. Seat cushion; 31. Slide carriage; 32. Guide frame. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0013] Please see Figure 1-4 The present invention provides the following technical solution: a fitness bicycle with quick height adjustment, including a base frame 1, a front frame 11 fixedly installed on the top of the base frame 1, and a grip bar 12 fixedly installed on the top of the front frame 11; In this embodiment, a slide 31 is fixedly installed at the bottom of the seat cushion 3, and a guide 32 is provided at the bottom of the slide 31. The slide 31 and the guide 32 are slidably connected. A knob for limiting the position of the slide 31 is provided at the bottom of the guide 32. The position of the seat cushion 3 can be adjusted along the guide 32 via the slide 31 at the bottom. In this embodiment, the drive box 2 is fixedly installed on the top of the base frame 1, and a guide tube 21 is fixedly installed on the top of the drive box 2. A lifting component is provided inside the guide tube 21. The seat cushion 3 is installed on the top of the lifting component, and the height of the seat cushion 3 is limited by the lifting component.

[0014] The lifting assembly includes a lifting rod 22 inserted inside the guide tube 21, with the top end of the lifting rod 22 fixedly connected to the bottom end of the guide frame 32. A slider 25 is integrally installed on the inner wall of the guide tube 21. A groove 23 matching the slider 25 is formed on one outer surface of the lifting rod 22. The guide tube 21 and the lifting rod 22 are slidably connected through the slider 25 and the groove 23. Several balls 24 are embedded on both sides of the inner wall of the groove 23. During adjustment, the slider 25 on the inner wall slides along the groove 23, causing the balls 24 on both sides of the inner wall of the groove 23 to roll, reducing the friction between the guide tube 21 and the lifting rod 22, and reducing the force required for adjustment.

[0015] In this embodiment, it should also be noted that an adjusting ring 26 is rotatably connected to the top of the lifting rod 22. A locking post 261 is integrally installed on the inner wall of the adjusting ring 26. A vertical groove 27 is opened on the outer surface of the other side of the lifting rod 22. One end of the adjusting ring 26 is inserted into the vertical groove 27. Several horizontal grooves 271 are opened on one side of the vertical groove 27 on the outer surface of the lifting rod 22. After the inner wall of the adjusting ring 26 is adjusted, the adjusting ring 26 on the guide tube 21 can be rotated so that the locking post 261 on the inner wall of the adjusting ring 26 enters the horizontal groove 271 for limiting.

[0016] The working principle of this embodiment is as follows: When performing fitness training, you can sit on the seat cushion 3 and step on the foot pedals on both sides of the drive box 2. The seat cushion 3 can be adjusted in position along the guide frame 32 via the slide 31 at the bottom. When the height of the seat cushion 3 needs to be adjusted, the lifting rod 22 is slid along the guide tube 21 for adjustment. During the adjustment, the slider 25 on the inner wall slides along the slide groove 23, causing the balls 24 on both sides of the inner wall of the slide groove 23 to roll, reducing the friction between the guide tube 21 and the lifting rod 22, and reducing the force required for adjustment. During the up and down movement of the lifting rod 22, the locking pin 261 slides along the vertical groove 27. After the adjustment of the inner wall of the adjusting ring 26 is completed, the adjusting ring 26 on the guide tube 21 can be rotated so that the locking pin 261 on the inner wall of the adjusting ring 26 enters the horizontal groove 271 for limiting.

[0017] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fitness bike with rapidly adjustable height, characterized in that, include: A base frame (1) is fixedly mounted on the top of the base frame (1), and a handle (12) is fixedly mounted on the top of the front frame (11). The drive box (2) is fixedly installed on the top of the base frame (1). A guide tube (21) is fixedly installed on the top of the drive box (2). A lifting component is provided inside the guide tube (21). The seat cushion (3) is installed on the top of the lifting assembly, which limits the height of the seat cushion (3).

2. The exercise bike with rapidly adjustable height according to claim 1, characterized in that: The bottom end of the cushion (3) is fixedly installed with a slide (31), and the bottom end of the slide (31) is provided with a guide (32), and the slide (31) and the guide (32) are slidably connected. The bottom end of the guide (32) is provided with a knob for limiting the slide (31).

3. The exercise bike with rapidly adjustable height according to claim 2, characterized in that: The lifting assembly includes a lifting rod (22) inserted inside the conduit (21), and the top end of the lifting rod (22) is fixedly connected to the bottom end of the guide frame (32).

4. The exercise bike with rapidly adjustable height according to claim 3, characterized in that: The inner wall of the conduit (21) is integrally fitted with a slider (25), and the outer surface of one side of the lifting rod (22) is provided with a groove (23) that matches the slider (25). The conduit (21) and the lifting rod (22) are slidably connected through the slider (25) and the groove (23). Several balls (24) are embedded on both sides of the inner wall of the groove (23).

5. The exercise bike with rapidly adjustable height according to claim 4, characterized in that: The top of the lifting rod (22) is rotatably connected to an adjusting ring (26), and a locking post (261) is integrally installed on the inner wall of the adjusting ring (26).

6. The exercise bike with rapidly adjustable height according to claim 5, characterized in that: A vertical groove (27) is provided on the outer surface of the other side of the lifting rod (22), and one end of the adjusting ring (26) is inserted into the vertical groove (27). Several horizontal grooves (271) are provided on the outer surface of the lifting rod (22) on one side of the vertical groove (27).

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