CN210278190U

CN210278190U - Adjustable backrest device of exercise bicycle

Info

Publication number: CN210278190U
Application number: CN201921038026.XU
Authority: CN
Inventors: 杨鸿福
Original assignee: Longhai Binlan Machinery Co ltd
Current assignee: Longhai Binlan Machinery Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-10
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses an adjustable backrest device of exercise bicycle, including backrest main part, cushion main part and strutting arrangement, cushion main part fixed mounting is on strutting arrangement's top, backrest main part movable mounting is in the one end of cushion main part, the inside fixed mounting of backrest main part has the back, the bottom fixed mounting of back has the gear, the inside fixed mounting of cushion main part has the cushion, the bottom surface fixedly connected with grafting piece of cushion, the one end fixedly connected with second fixed sleeve of cushion, the first fixed sleeve of lower fixed surface fixedly connected with of second fixed sleeve, the inside of first fixed sleeve is rotated and is installed first regulation handle, the one end of cushion is located the inside rotation of the first fixed sleeve of first regulation handle facade and installs the second and adjust the handle. The utility model discloses can avoid the fitness person to leave the exercise bicycle, adjust many times the seat and the back of exercise bicycle.

Description

Adjustable backrest device of exercise bicycle

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to an adjustable backrest device of a fitness bike.

Background

The exercise bicycle is also called a power bicycle, which is divided into a vertical type exercise bicycle and a back type exercise bicycle, the strength during exercise can be adjusted, and the exercise bicycle has the effect of body building, so people call the exercise bicycle, the existing exercise bicycle needs to adjust a seat and a backrest when in use, and an exerciser needs to leave the exercise bicycle to adjust when in adjustment, then whether the feeling meets the comfort, the comfort cannot be met, the seat and the backrest can be continuously adjusted, the exerciser can adjust the seat and the backrest for many times, the exercise mood of the exerciser is influenced, and the problem is solved by the adjustable backrest device of the exercise bicycle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable back device of exercise bicycle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable backrest device of a body-building vehicle comprises a backrest main body, a cushion main body and a supporting device, wherein the cushion main body is fixedly arranged at the top end of the supporting device, the backrest main body is movably arranged at one end of the cushion main body, a backrest is fixedly arranged in the backrest main body, a gear is fixedly arranged at the bottom end of the backrest, a cushion is fixedly arranged in the cushion main body, a plug-in block is fixedly connected to the bottom surface of the cushion, a second fixing sleeve is fixedly connected to one end of the cushion, a first fixing sleeve is fixedly connected to the lower surface of the second fixing sleeve, a first adjusting handle is rotatably arranged in the first fixing sleeve, a second adjusting handle is rotatably arranged in the first adjusting handle opposite to the first fixing sleeve, one end of the first adjusting handle is welded with a second clamping block, the one end welding of second regulation handle has first joint piece, second fixed sleeve's medial surface fixedly connected with second spring, the guide rail has been seted up to strutting arrangement's top end face, strutting arrangement's top is located the edge of guide rail and has been seted up the tooth's socket.

Preferably, a back cushion is fixedly mounted on the side surface of the upper part of the backrest.

Preferably, a first spring is fixedly arranged on the outer surfaces of the first adjusting handle and the second adjusting handle in the first fixing sleeve.

Preferably, a connecting rod is welded on the side face of the gear, and one end of the second spring is fixedly connected with the connecting rod.

Preferably, the bottom surface of the insertion block is provided with a sliding groove, a sliding block is slidably mounted inside the sliding groove, and the bottom surface inside the guide rail is provided with a clamping groove.

Preferably, the second adjusting handle is clamped with the tooth socket through a first clamping block at one end, and the first adjusting handle is clamped with the gear through a second clamping block at one end.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can prevent the neck of the body builder from being damaged in the body building process through the back cushion fixedly arranged on the side surface of the upper part of the back cushion, thereby playing the role of neck protection, the first fixing sleeve is internally provided with the first spring fixedly arranged on the outer surfaces of the first adjusting handle and the second adjusting handle, so that the initial position of the first adjusting handle and the second adjusting handle can be recovered after use, thereby being convenient for adjusting the back cushion and the cushion at any time, the connecting rod welded on the side surface of the gear can be connected with the second spring, thereby leading the back cushion to pull the first adjusting handle to separate the second clamping block from the gear after use, and recovering the initial position under the elastic action generated by the second spring, and the upper part of the gear can be propped against one end of the cushion when the back cushion is recovered at the initial position, thereby preventing the back cushion from continuously rotating forwards under the elastic action of the second spring, so as to be convenient for other people to use, the inside slider of the bottom surface spout of the plug-in block can be inconsistent with the joint groove of the bottom surface of the guide rail, thereby being capable of preventing the cushion from moving back and forth and separating from the inside of the guide rail, adjusting the handle through pulling the first adjusting handle and the second adjusting handle to adjust the backrest and the cushion, simplifying the operation and avoiding the body builder to adjust the backrest and the cushion by the exercise bicycle.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic structural view of the backrest of the present invention;

FIG. 3 is a schematic view of the cushion main body structure of the present invention;

fig. 4 is a schematic structural view of the supporting device of the present invention.

In the figure: 1-a backrest main body, 2-a cushion main body, 3-a supporting device, 4-a back cushion, 5-a backrest, 6-a gear, 7-a cushion, 8-an insertion block, 9-a first clamping block, 10-a second clamping block, 11-a first fixed sleeve, 12-a first adjusting handle, 13-a second spring, 14-a second fixed sleeve, 15-a second adjusting handle, 16-a tooth socket and 17-a guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an adjustable backrest device of a body-building vehicle comprises a backrest main body 1, a cushion main body 2 and a supporting device 3, wherein the cushion main body 2 is fixedly arranged at the top end of the supporting device 3, the backrest main body 1 is movably arranged at one end of the cushion main body 2, a backrest 5 is fixedly arranged inside the backrest main body 1, a gear 6 is fixedly arranged at the bottom end of the backrest 5, a cushion 7 is fixedly arranged inside the cushion main body 2, an inserting block 8 is fixedly connected to the bottom surface of the cushion 7, a second fixing sleeve 14 is fixedly connected to one end of the cushion 7, a first fixing sleeve 11 is fixedly connected to the lower surface of the second fixing sleeve 14, a first adjusting handle 12 is rotatably arranged inside the first fixing sleeve 11, a second adjusting handle 15 is rotatably arranged inside the first fixing sleeve 11 and positioned at the opposite surface of the first adjusting handle 12 at one end of the cushion 7, a second inserting block 10 is welded at one end of the first adjusting handle 12, one end of the second adjusting handle 15 is welded with a first clamping block 9, the inner side end face of the second fixing sleeve 14 is fixedly connected with a second spring 13, the top end face of the supporting device 3 is provided with a guide rail 17, and the top end of the supporting device 3 is positioned at the edge of the guide rail 17 and is provided with a tooth groove 16.

The upper portion side fixed mounting of back 5 has back cushion 4, the inside fixed surface that is located first regulation handle 12 and second regulation handle 15 of first fixed sleeve 11 has first spring, the side welding of gear 6 has the connecting rod, the one end and the connecting rod looks fixed connection of second spring 13, the spout has been seted up to grafting piece 8's bottom surface, the inside slidable mounting of spout has the slider, the joint groove has been seted up to guide rail 17's inside bottom surface, the second is adjusted handle 15 and is connected with tooth's socket 16 looks joint through the first joint piece 9 of one end, first regulation handle 12 is connected with gear 6 looks joint through the second joint piece 10 of one end.

The working principle is as follows: when the comfort of the backrest 5 and the seat cushion 7 is sensed and the feeling is uncomfortable, the first adjusting handle 12 is lifted upwards by the right hand, the second clamping block 10 at one end is driven by the first adjusting handle 12 to rotate downwards away from the gear 6, meanwhile, the first adjusting handle 12 drives the first spring to deform to generate elastic force in the first fixing sleeve 11, then the seat cushion 7 is pushed by the back, the seat cushion 7 rotates by taking the connecting rod on the side surface of the gear 6 as an axis under the action of external force, meanwhile, the connecting rod drives the second spring 13 connected with the two ends to rotate, the second spring 13 deforms to generate elastic force until the rotating angle of the backrest 5 meets the requirement, then the external force on the outer surface of the first adjusting handle 12 is removed, meanwhile, the elastic force generated by the first spring in the first fixing sleeve 11 can restore the initial position of the first adjusting handle 12, and the second clamping block 10 at one end of the first adjusting handle 12 is meshed with the gear 6, meanwhile, the side surface of the second clamping block 10 is abutted against one end of the cushion 7 to prevent the first adjusting handle 12 from continuously rotating under the action of the elastic force of the first spring, the cushion 7 is adjusted after the angle of the backrest 5 is adjusted, the second adjusting handle 15 is lifted upwards by external force, the second adjusting handle 15 rotates in the first fixed sleeve 11 under the action of the external force, the second adjusting handle 15 drives the first spring to deform in the first fixed sleeve 11 to generate the elastic force, then the first clamping block 9 at one end is driven to upwards rotate by taking the first fixed sleeve 11 as an axis until the first clamping block is abutted against the bottom surface of the cushion 7, the first clamping block 9 is far away from the tooth grooves 16, then the hip is driven to move forwards and backwards by the force of legs, the bottom end is driven to move the cushion 7 forwards and backwards, and backwards of the bottom end is driven to move the inserting block 8 in the guide rail 17 when the cushion 7 moves, simultaneously the inside slider of grafting piece 8 can slide in spout and inserting groove inside, it can to be suitable for the distance of oneself body-building until cushion 7 removes, then remove the external force of second regulation handle 15 surface, the elasticity that the inside first spring of first fixed sleeve 11 produced simultaneously can make second regulation handle 15 resume initial position, make first joint piece 9 and tooth's socket 16 looks block, thereby prevent cushion 7 back-and-forth movement, thereby accomplish the regulation of back 5 and cushion 7, and the maximum distance that cushion 7 removed is the inside slider of grafting piece 8 and the inserting groove one end face of guide rail 17 bottom surface is contradicted.

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

Claims

1. The utility model provides an adjustable backrest device of exercise bicycle, includes backrest main part (1), cushion main part (2) and strutting arrangement (3), its characterized in that: the cushion comprises a cushion main body (2), a backrest main body (1) and a gear (6), wherein the cushion main body (2) is fixedly installed at the top end of a supporting device (3), the backrest main body (1) is movably installed at one end of the cushion main body (2), a backrest (5) is fixedly installed inside the backrest main body (1), the gear (6) is fixedly installed at the bottom end of the backrest (5), a cushion (7) is fixedly installed inside the cushion main body (2), a plug-in block (8) is fixedly connected to the bottom surface of the cushion (7), a second fixing sleeve (14) is fixedly connected to one end of the cushion (7), a first fixing sleeve (11) is fixedly connected to the lower surface of the second fixing sleeve (14), a first adjusting handle (12) is installed in the inner rotating mode of the first fixing sleeve (11), a second adjusting handle (15) is installed in the inner rotating mode of the first adjusting handle (12) opposite to the first fixing sleeve (11), the welding of the one end of first regulation handle (12) has second joint piece (10), the welding of the one end of second regulation handle (15) has first joint piece (9), the medial surface fixedly connected with second spring (13) of second fixed sleeve (14), guide rail (17) have been seted up to the top end face of strutting arrangement (3), tooth's socket (16) have been seted up at the edge that the top of strutting arrangement (3) is located guide rail (17).

2. The adjustable backrest device of an exercise bicycle of claim 1, wherein: and a back cushion (4) is fixedly arranged on the side surface of the upper part of the backrest (5).

3. The adjustable backrest device of an exercise bicycle of claim 1, wherein: the first spring is fixedly arranged on the outer surfaces of the first adjusting handle (12) and the second adjusting handle (15) in the first fixing sleeve (11).

4. The adjustable backrest device of an exercise bicycle of claim 1, wherein: the side welding of gear (6) has the connecting rod, the one end and the connecting rod looks fixed connection of second spring (13).

5. The adjustable backrest device of an exercise bicycle of claim 1, wherein: the bottom surface of the insertion block (8) is provided with a sliding groove, a sliding block is arranged inside the sliding groove in a sliding mode, and a clamping groove is formed in the bottom surface of the guide rail (17).

6. The adjustable backrest device of an exercise bicycle of claim 1, wherein: the second adjusting handle (15) is connected with the tooth socket (16) in a clamped mode through a first clamping block (9) at one end, and the first adjusting handle (12) is connected with the gear (6) in a clamped mode through a second clamping block (10) at one end.