CN111420352A

CN111420352A - Handrail structure for exercise wheel

Info

Publication number: CN111420352A
Application number: CN202010360107.2A
Authority: CN
Inventors: 陈建; 张小奔
Original assignee: Taizhou Huangyan Ankang Fitness Equipment Co ltd
Current assignee: Taizhou Huangyan Ankang Fitness Equipment Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-17

Abstract

The invention discloses a handrail structure for a belly-building wheel, which relates to the field of fitness equipment and comprises a handrail structure, a central tube and a clutch mechanism, wherein the central tube is arranged in the handrail structure, the clutch mechanism is arranged on the central tube, the handrail structure and the central tube are mutually independent, and the central tube coaxially rotates relative to the handrail structure through the clutch mechanism; when the central pipe is matched with the handrail structure for limiting, the effect of assisting in rebounding can be realized; in other words, the user can operate the clutch mechanism to realize the abdomen exercise wheel rebounding function.

Description

Handrail structure for exercise wheel

Technical Field

The invention relates to the field of fitness equipment, in particular to an armrest structure for an exercise wheel.

Background

The exercise wheel is a common fitness device, the traditional exercise wheel mainly comprises wheels, a central shaft penetrating through the wheels and handrails arranged on two sides of the wheels and connected with the central shaft, and a user can hold the handrails on two sides of the wheels in a proper posture and can achieve the purpose of fitness by pushing the wheels.

Along with the continuous change of exercise wheel products, resilience type exercise wheels still appear on the market, for example, taiwan certificate is TWM 545614U's patent document in china, it just discloses a power formula exercise wheel returns, this kind of exercise wheel has set up the accommodation space in the wheel to set up the spring roll piece between accommodation space and center pin, so design exercise wheel is pushed the back forward, can possess the power of supplementary resilience and make its can be more light by the pulling back, this design provides convenience to the user that the physical strength is not sufficient or other reasons need supplementary resilience.

However, it is known that the physical quality of the exerciser will gradually increase through exercise, that is, after the user uses the resilient exercise wheel for a certain period of time, the user may not need the auxiliary function of resilient exercise wheel, and the user needs to continue effective exercise, the conventional resilient exercise wheel obviously cannot meet the requirement of the user to flexibly adjust the exercise plan, that is, the exercise wheel with the resilient function and the exercise wheel without the resilient function are switched to be used, so the user has to purchase another exercise wheel without the resilient function for use, which increases the cost of purchasing equipment for the user.

Disclosure of Invention

In order to solve the above-mentioned technical problems, an object of the present invention is to provide an armrest structure for a resilient exercise wheel and capable of implementing a switch for the exercise wheel's resilient function.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a handrail structure for exercise wheel, includes handrail structure, center tube and clutching mechanism, there is the center tube in the handrail structure, the center tube is provided with clutching mechanism, its characterized in that, handrail structure with the center tube is mutually independent, the center tube pass through clutching mechanism for handrail structure coaxial rotation.

By adopting the technical scheme, the central shaft of the central pipe is fixedly connected with the central shaft of the resilience exercise wheel, although the central pipe is sleeved with the handrail structure, the central pipe and the handrail structure are mutually independent, namely, if the central pipe is not matched with the handrail structure for limitation through the clutch mechanism, the rotation of the central pipe is not restricted by the handrail structure, when a user holds the handrail structure to push and pull the resilience exercise wheel, the handrail structure can not restrict the central shaft through the central pipe, so that the central shaft is static relative to the wheel, only the wheel rotates to one side, the central shaft is static relative to the central shaft or opposite to the rotation direction, the spring roll between the central pipe and the handrail structure can deform to realize the effect of auxiliary resilience, and when the central pipe and the handrail structure are in a mutually independent state without limitation, the central shaft can not be restricted through the central pipe, so the rotation direction of the central shaft and the wheel can be, the spring coil between the two can not deform, and the effect of assisting resilience can not be realized; when the central tube is matched with the handrail structure for limiting, namely the central tube coaxially rotates relative to the handrail structure through the clutch mechanism, the central tube is restrained by the handrail structure, the central tube can restrain the central shaft through the central tube, and the central shaft is static relative to the wheels when a user pushes and pulls the exercise wheel, so that the effect of assisting resilience can be realized; in other words, the user can operate the clutch mechanism to realize the abdomen exercise wheel rebounding function.

Preferably, the clutch mechanism comprises a first limiting groove, a second limiting groove and a limiting block, and the limiting block is matched with the first limiting groove and the second limiting groove.

By adopting the technical scheme, the first limiting groove is arranged on one side of the handrail structure, the second limiting groove is arranged on the central tube, when the first limiting groove and the second limiting groove are corresponding to each other, the limiting blocks are matched with the first limiting groove and the second limiting groove at the same time for limiting, and then the clutch mechanism realizes the matched limiting of the central tube and the handrail structure.

Preferably, a slope is arranged on the side edge of the first limiting groove.

Through adopting above-mentioned technical scheme, the stopper can cooperate with the slope more convenient slip-in first spacing groove with it cooperation.

Preferably, the limiting block is provided with a return spring, and the return spring is arranged on one side of the limiting block.

Through adopting above-mentioned technical scheme, the stopper can realize automatic re-setting under reset spring's effect.

Preferably, the clutch mechanism comprises a third limiting groove, and the third limiting groove and the first limiting groove are located on the same vertical plane.

By adopting the technical scheme, when the clutch mechanism is in the unlocking state, the limiting block can be placed in the third limiting groove.

Preferably, the clutch mechanism comprises a limiting structure, a positioning hole and a positioning pin, and the positioning pin is matched with the positioning hole under the action of the limiting structure.

Through adopting above-mentioned technical scheme, the locating hole is seted up on the center tube, locating pin and handrail structure are fixed connection, and when the locating pin was removed to the center tube direction by limit structure cooperation extrusion, then the locating pin can insert with the locating hole cooperation, and then clutching mechanism can realize that the cooperation of center tube and handrail structure is spacing.

Preferably, the end part of the handrail structure is provided with a fixed disc, and an adjusting turntable is arranged between the fixed disc and the handrail structure.

Through adopting above-mentioned technical scheme, adjust the carousel can with locating pin control connection, user operation adjusts the carousel can be convenient control the locating pin.

Preferably, the adjusting turntable is provided with sawteeth, and the sawteeth are annularly arranged on the outer surface of the adjusting turntable.

Through adopting above-mentioned technical scheme, the surface of adjusting the carousel is located to the sawtooth ring, and the regulation carousel user that sets up the sawtooth frictional force is bigger when the gripping, so user's gripping makes things convenient for its operation more stably.

Preferably, the central tube is provided with a limiting assembly, and the central tube is matched with the handrail structure for limiting through the limiting assembly.

Through adopting above-mentioned technical scheme, spacing subassembly can carry on spacingly to the center tube, makes it can not horizontal migration in handrail structure.

Preferably, the limiting component is a hoop.

Through adopting above-mentioned technical scheme, the clamp can be located the center tube both ends and carry out spacingly to it, makes it can not horizontal migration in handrail structure.

Compared with the prior art, the invention has the advantages that: this handrail can be used for resilience formula exercise wheel to can make center tube and handrail structure cooperation spacing or mutual independence through operating its clutching mechanism, under center tube and the mutual independence state of handrail structure, resilience formula exercise wheel's resilience function is just unavailable, and is spacing or mutual independence through the cooperation of control center tube and handrail structure promptly, can realize exercise wheel and take the switching use of resilience function and not taking the resilience function.

Drawings

FIG. 1 is a schematic diagram of an explosive structure according to example 1 of the present invention;

FIG. 2 is a schematic plan view showing a state of use of embodiment 1 of the present invention;

FIG. 3 is a schematic diagram of an explosive structure according to example 2 of the present invention;

FIG. 4 is a schematic sectional view of an adjustment dial according to embodiment 2 of the present invention;

in the figure: 1. a handrail structure; 110. clamping a hoop; 111. fixing screws; 120. a first limit groove; 121. a slope; 130. a third limiting groove; 140. an end cap; 150. positioning pins; 151. fixing the disc; 152. a spring; 153. adjusting the turntable; 154. a limiting structure; 155. saw teeth; 156. a screw; 157. a positioning pin fixing seat; 2. a central tube; 210. a second limit groove; 220. a first fixing hole; 221. a second fixing hole; 222. a third fixing hole; 223. a card holder; 224. a first clip member; 225. a second clip member; 226. a nut; 230. a return spring; 240. a limiting block; 250. and (7) positioning the holes.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example 1

A handrail structure, its main part is handrail structure 1, there is center tube 2 in handrail structure 1, and center tube 2 and handrail structure 1 are mutually independent, promptly the center tube 2 can rotate in handrail structure 1 relative to handrail structure 1.

The central tube 2 is provided with spacing subassembly, spacing subassembly specifically is clamp 110, the both ends of central tube 2 are located to clamp 110 cover, and lie in handrail structure 1, as shown in fig. 1, 2, it is spacing that clamp 110 and handrail structure 1 cooperation are led to central tube 2, and under the effect of clamp 110, central tube 2 can only rotate but can not horizontal migration in handrail structure 1.

In practical application, one end of the central tube 2 can be connected with the central shaft of the resilience type abdomen building wheel, so that the handrail structure 1 is connected with the resilience type abdomen building wheel through the central tube 2; specifically, a first fixing hole 220 is formed in one end of the central tube 2, a bolt is arranged on the central tube and can be matched with the first fixing hole 220 correspondingly, the central tube 2 is connected with the central tube through the matching of the first fixing hole 220 and the bolt, and the central tube is detachably connected in the connecting state, so that the handrail structure 1 can be separated from the resilience type abdomen building wheel; this is only a preferred embodiment and the central tube 2 can also be fixed in connection with the central shaft by welding or the like.

The central pipe 2 is provided with a clutch mechanism, and the central pipe 2 is matched with the handrail structure 1 through the clutch mechanism; in this embodiment, the clutch mechanism includes a first limiting groove 120, a second limiting groove 210, a third limiting groove 130 and a limiting block 240.

The first limiting groove 120 is opened at one end of the handrail structure 1, as shown in fig. 1;

the second limiting groove 210 is arranged at one end of the central tube 2, as shown in fig. 1;

the first limiting groove 120 and the second limiting groove 210 are on the same side, and when the two grooves are opposite, the central tube 2 and the handrail structure 1 can be correspondingly locked by inserting the limiting blocks 240 and the two grooves in a matching manner;

specifically, the limiting block 240 is disposed inside the end cap 140, and the end cap 140 is sleeved at one end of the handrail structure 1, as shown in fig. 1 and 2, when the end cap 140 is sleeved with the handrail structure 1, the limiting block 240 disposed inside can be inserted into the first limiting groove 120 and the second limiting groove 210 in a matching manner; the end cap 140 is separable from one end of the handrail structure 1, and when the end cap is separated from the handrail structure 1, the limiting block 240 is separated from the first limiting groove 120 and the second limiting groove 210, that is, the handrail structure 1 and the central tube 2 are unlocked, and the central tube 2 rotates without being restricted by the handrail structure 1.

The side of the first limiting groove 120 is provided with a slope 121, and the first limiting groove 120 is located on the downhill side of the slope 121, so that the limiting block 240 can slide into the first limiting groove 120 along the slope 121 to be inserted in a matching manner, and the insertion is more convenient.

A third limiting groove 130 is formed at one end of the handrail structure 1, the third limiting groove 130 and the first limiting groove 120 are located at the same side of the handrail structure 1, and the third limiting groove 130 is specifically located at one side of the slope 121 that is the upward slope, that is, when the handrail structure 1 is provided with the first limiting groove 120 side upward, the third limiting groove 130 is horizontally higher than the first limiting groove 120, as shown in fig. 1.

The limiting block 240 can be inserted in cooperation with the third limiting groove, and because the armrest structure 1 is provided with the first limiting groove 120 with one side facing upward, the third limiting groove 130 is horizontally higher than the first limiting groove 120, and naturally, the third limiting groove 130 is also horizontally higher than the second limiting groove 210, so when the limiting block 240 is inserted in cooperation with the third limiting groove 130, the limiting block 240 cannot be matched with the second limiting groove 210 for limitation, that is, the armrest structure 1 and the central tube 2 are in an unlocking state, in other words, the third limiting groove 130 can be used for being matched with the limiting block 240 for limitation in an unlocking state of the armrest structure 1 and the central tube 2.

The limit block 240 is provided with a return spring 230, the return spring 230 is specifically arranged in the central tube 2 and is matched with the limit block 240 to realize springback reset, when the end cap 140 is pulled outwards to be separated from the handrail structure 1, the return spring 230 deforms, when a user loosens the end cap 140, the end cap 140 can rebound to be in a state of being sleeved with the handrail structure 1 under the action of the return spring 230, and in the state, the limit block 240 can be matched with the first limit groove 120 and the second limit groove 210 to realize limiting to realize locking of the central tube 2 and the handrail structure 1; the limiting block 240 can also be inserted into the third limiting groove 130 after the end cap 140 rebounds, so that the center tube 2 and the armrest structure 1 are in the unlocked state, and the limiting block 240 is limited by the third limiting groove 130 in a matching manner, so that the limiting block 240 cannot slide into the first limiting groove 120 along the slope 121 under the action of the return spring 230, that is, the third limiting groove 130 plays a role in placing the limiting block 240 in the unlocked state of the clutch mechanism.

It should be noted that, in the state that the limiting block 240 is inserted into the third limiting groove 130, although the end cap 140 is away from the handrail structure 1 by a certain distance, it still covers one end of the handrail structure 1, and the first limiting groove 120 and the like are not exposed.

The return spring 230 is arranged in the central tube 2, and the specific connection mode of the return spring and the central tube 2 is as follows:

the return spring 230 is placed in the central tube 2, one end of the return spring 230 close to the end cap 140 is provided with a first snap 224, and the other end of the return spring 230 is provided with a second snap 225, as shown in fig. 1 and 2;

a screw hole is formed in the side surface of the first clamping piece 224, as shown in fig. 1, the first clamping piece 224 is arranged in the central tube 2, and the screw can be screwed in through the screw hole to fix the position of the first clamping piece 224 in the central tube 2, which corresponds to the third fixing hole 222;

a screw rod is arranged at one end of the end cap 140, the screw rod and the limiting block 240 are arranged on the same side of the end cap 140, the screw rod penetrates through the first clamping piece 224, the return spring 230 and the second clamping piece 225, and a nut 226 is arranged on one side of the second clamping piece 225 and screwed with the screw rod to realize matching limiting, as shown in fig. 1 and 2;

thus, when the user pulls the end cap 140 outward to separate from the armrest structure 1, the screw rod will move in the same direction, and then the second clip 225 will move towards the same side of the end cap 140 under the limiting effect of the nut 226, and since the first clip 224 and the central tube 2 are fixed, the second clip 225 moves towards the same side of the end cap 140, the return spring 230 will be squeezed, and a tension force is formed; at this time, when the user releases the end cap 140, the tension of the return spring 230 acts on the second clip 225 to make it rebound in the opposite direction, and the second clip 225 rebounds to drive the nut 226, thereby achieving the rebound of the end cap 140.

A fastener seat 223 is arranged in the central tube 2, and a screw hole is arranged on the side surface of the fastener seat 223, as shown in fig. 1, the screw hole corresponds to the second fixing hole 221, and a screw can be screwed in to fix the position of the fastener seat 223 in the central tube 2;

the card member seat 223 is positioned at one side of the second card member 225, a groove is formed in the side surface of the second card member 225, and the second card member 225 can be matched with the card member seat 223 for limiting, as shown in fig. 1 and 2; the card member seat 223 plays a role of limiting at one side of the second card member 225 to prevent it from being rebounded excessively;

the groove of the card holder 223 is provided with a slope, as shown in fig. 1 and 2; therefore, the second clamping piece 225 can be conveniently matched with the limiting device for limiting.

In practical application, the central tube 2 is connected with a central shaft of the springback type abdominal exercise wheel, the central tube 2 and the central shaft are relatively fixed, the armrest structure 1 is connected with the springback type abdominal exercise wheel through the central tube 2, the central tube 2 and the armrest structure 1 are correspondingly locked through the clutch mechanism in a default state, a user pushes and pulls the abdominal exercise wheel at the moment, the armrest structure 1 and the central shaft are also relatively fixed, and then the wheel rotates relative to the central shaft when the abdominal exercise wheel is pushed and pulled, and the spring roll sheet in the spring roll sheet deforms, so that the function of assisting springback can be realized; when the armrest structure 1 and the central tube 2 are unlocked through the clutch mechanism and are mutually independent, the central tube 2 can rotate in the armrest structure 1, and at the moment, a user pushes and pulls the exercise wheel, the rotation of the central tube 2 is not restricted by the armrest structure 1, namely, if the central tube and the armrest structure 1 are hung in a neutral position when the exercise wheel is pushed and pulled, namely, the central tube is not restricted by the armrest structure 1, the central tube and the armrest structure can also be driven to rotate in the same direction when the wheels rotate, and the spring coiling sheets between the central tube and the wheels can not deform when the central tube and the armrest structure rotate in the same direction, so that the auxiliary rebound function is closed; in this embodiment, the user operates the end cap 140 to lock or unlock the clutch mechanism.

Example 2

The present embodiment differs from embodiment 1 in that in the present embodiment, the armrest structure 1 and the center tube 2 are unlocked or locked by a clutch mechanism including the positioning hole 250 and the positioning pin 150.

The positioning holes 250 are specifically formed on both sides of the central tube 2, as shown in fig. 3 and 4;

the positioning pin 150 is provided with a fixing disc 151, a positioning pin fixing seat 157 is arranged on the fixing disc 151, and the positioning pin 150 is specifically arranged in the positioning pin fixing seat 157, as shown in fig. 1;

a spring 152 is arranged in the positioning pin fixing seat 157, and the spring 152 is arranged between the inner wall of the positioning pin fixing seat 157 and the positioning pin 150 and can enable the positioning pin 150 to realize resetting and rebounding;

the fixing plate 151 is fixed to one end of the handrail structure 1 by screws, as shown in fig. 3, that is, the positions of the positioning pins 150 and the handrail structure 1 are fixed;

an adjusting turntable 153 is arranged between the fixed disk 151 and the armrest structure 1, as shown in fig. 3, the adjusting turntable 153 can rotate relative to the fixed disk 151;

one side of the adjusting turntable 153 close to the fixed disk 151 is a groove surface, a limiting structure 154 is arranged in the groove surface, a space formed by the limiting structure 154 is shown in fig. 4, and the distance between the upper end and the lower end in the space is longer than the distance between the left end and the right end in the space; the positioning pin fixing seat 157 is embedded in a space formed by the limiting structure 154, and the positioning pin 150 is matched with the inner wall of the limiting structure 154.

In practical application, a user rotates the adjusting dial 153 to enable the positioning pin 150 in the positioning pin fixing seat 157 to be matched and corresponding to the narrow-spaced part of the limiting structure 154, and the positioning pin 150 is pressed by the limiting structure 154 to move towards the center of the positioning pin fixing seat 157, so that the positioning pin 150 can be matched and inserted into the positioning hole 250 on the central tube 2, as shown in fig. 4, in this state, the armrest structure 1 and the central tube 2 are matched and locked; when the adjusting turntable 153 rotates, the part of the spacing width of the limiting structure 154 corresponds to the positioning pin 150, the positioning pin 150 rebounds outwards under the action of the spring 152, so that the positioning pin 150 is separated from the positioning hole 250, the armrest structure 1 and the central tube 2 are unlocked in this state, the two are independent, and the central tube 2 can rotate in the armrest structure 1.

It should be noted that the central tube 2 is arranged in the armrest structure 1 through the center of the fixed tray 151, and the center position of the positioning pin fixing seat 157 corresponds to the fixed tray 151, that is, the central tube 2 is arranged through the center of the positioning pin fixing seat 157, as shown in fig. 3; meanwhile, the central tube 2 is horizontally limited in the handrail structure 1 through the limiting assembly, and the transverse position of the central tube is fixed, so that the positions of the positioning hole 250 of the central tube 2 and the positioning pin 150 are corresponding, and the positioning pin 150 can be matched with the positioning hole 250 for limiting to the central displacement of the positioning pin fixing seat 157.

The limiting structure 154 is provided with a limiting position on the rotation track of the positioning pin 150, and when the positioning pin 150 rotates to a certain position, the limiting position is blocked, so that the positioning pin cannot rotate in the direction, as shown in fig. 4; the arrangement limits the rotation range of the adjusting dial 153, and as shown in fig. 4, the blocked position is the narrowest part of the space interval formed by the limiting structure 154, the positioning pin 150 rotates towards any one of the two sides to cause the positioning pin 150 to rebound outwards, however, one side of the positioning pin 150 is blocked by the limiting structure 154, so that the rotation probability of the positioning pin 150 is reduced, the probability that the clutch mechanism is accidentally unlocked by misoperation is reduced, and conversely, the probability that the clutch mechanism is accidentally locked is also reduced in the unlocking state.

The outer surface of the adjusting turntable 153 is provided with sawteeth 155, and the sawteeth 155 can increase the friction force on the outer surface of the adjusting turntable 155, so that the adjusting turntable can be more conveniently grasped by a user, and the operation of the adjusting turntable is facilitated.

In this embodiment, the limiting component is a fixing screw 111, and the fixing screw 111 is inserted from one end of the handrail structure 1 and connected with one end of the central tube 2, as shown in fig. 3; it should be noted that the fixing screw 111 can horizontally limit the central tube 2 by a nut or the like, but its screw body needs to have a smooth surface to cooperate with the central tube 2, so as to ensure that the central tube 2 can rotate in the handrail structure 1.

Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a handrail structure for exercise wheel, includes handrail structure (1), center tube (2) and clutching mechanism, there is center tube (2) in handrail structure (1), center tube (2) are provided with clutching mechanism, its characterized in that, handrail structure (1) with center tube (2) are independent each other, center tube (2) through clutching mechanism for handrail structure (1) coaxial rotation.

2. The armrest structure for the exercise wheel as claimed in claim 1, wherein the clutch mechanism comprises a first limit groove (120), a second limit groove (210) and a limit block (240), and the limit block (240) is engaged with the first limit groove (120) and the second limit groove (210).

3. The armrest structure for the exercise wheel as claimed in claim 2, wherein the side of the first limit groove (120) is provided with a slope (121).

4. The armrest structure for the exercise wheel as claimed in claim 2, wherein the stopper (240) is provided with a return spring (230), and the return spring (230) is provided at one side of the stopper (240).

5. The armrest structure for the exercise wheel as claimed in claim 2, wherein the clutch mechanism comprises a third position-limiting groove (130), and the third position-limiting groove (130) is located on the same vertical plane as the first position-limiting groove (120).

6. The armrest structure for an exercise wheel according to claim 1, wherein the clutch mechanism comprises a limit structure (154), an alignment hole (250), and an alignment pin (150), wherein the alignment pin (150) is engaged with the alignment hole (250) under the action of the limit structure (154).

7. The armrest structure for the exercise wheel as claimed in claim 6, wherein the end of the armrest structure (1) is provided with a fixed disk (151), and an adjusting dial (153) is provided between the fixed disk (151) and the armrest structure (1).

8. The armrest structure for the exercise wheel as claimed in claim 7, wherein the adjustment dial (153) is provided with saw teeth (155), and the saw teeth (155) are annularly provided on the outer surface of the adjustment dial (153).

9. An armrest structure for an exercise wheel according to claims 1-8, characterized in that the central tube (2) is provided with a stop assembly, by means of which the central tube (2) is stopped in cooperation with the armrest structure (1).

10. An armrest structure for an exercise wheel according to claim 9, wherein said stop member is a clip (110).