CN213555120U - Adjusting structure and chest expander - Google Patents

Abstract

The utility model discloses an adjust structure and chest expander. The adjusting structure is used for adjusting the length of the tension rope and comprises a first shell and an adjusting assembly, an accommodating cavity is formed in the first shell, and the first shell is provided with a first opening and a second opening which are communicated with the accommodating cavity; the adjusting component comprises an adjusting button, a supporting piece and a clamping piece, the supporting piece is connected to the adjusting button, the adjusting button is movably connected to the first shell and drives the supporting piece to be close to or far away from the clamping piece, and the clamping piece and the supporting piece form a line passing channel for the tension rope to pass through. The utility model provides an adjust the structure and let body-building person can adjust the use length of pulling force rope according to the demand of oneself, more accord with body-building person's actual demand. In addition, the chest expander does not need to be frequently replaced during body building, so that the time of the body builders is saved, the body building burden of the body builders is reduced, and the body building experience is improved.

Description

Adjusting structure and chest expander

Technical Field

The utility model relates to a body-building apparatus technical field, in particular to adjust structure and chest expander.

Background

Nowadays, more and more people are added into fitness teams to keep the body healthy and improve the body literacy through physical exercise. The pull-force exercise device is widely used by many exercisers as an exercise tool capable of effectively training muscle strength. However, the existing tension body-building device is usually a simple rubber tension rope, the length of the tension rope is fixed, and the tension rope with different lengths needs to be continuously replaced when different actions of body-building people with different heights and body types are trained, so that the tension body-building device is very inconvenient to use, and the exercise burden of the body-building people is increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an adjusting structure, which aims to adjust the length of a tension rope so as to be convenient for body-building people to use.

In order to achieve the above object, the utility model provides an adjust structure, adjust the length that the structure is used for adjusting the pulling force rope, adjust the structure and include:

the first shell is internally provided with an accommodating cavity, and the first shell is provided with a first opening and a second opening which are communicated with the accommodating cavity; and

the adjusting assembly comprises an adjusting key, a supporting piece and a clamping piece, wherein the supporting piece is connected with the adjusting key, the adjusting key is movably connected with the first shell and drives the supporting piece to be close to or far away from the clamping piece, and the clamping piece and the supporting piece form a line passing channel for the tensile rope to pass through.

In an embodiment of the present invention, the clamping member is provided with a clamping protrusion protruding toward the supporting member, and the clamping protrusion abuts against two opposite sides of the tension rope.

In an embodiment of the present invention, the clamping members are at least two, and at least two of the clamping members are disposed on the same side of the tensile cord.

In an embodiment of the present invention, at least two of the clamping members are disposed along the length direction of the tensile cord at intervals, the supporting member is located between the two clamping members along the length direction, and the supporting member is located on a side of the tensile cord opposite to the clamping members.

In an embodiment of the present invention, the adjusting button includes a handle portion and a connecting plate, the connecting plate has a first side and a second side opposite to each other, the handle portion is connected to the first side, and the supporting member is connected to the second side;

the first shell is provided with a yielding port for the handle part to pass through, the inner wall surface of the first shell is provided with a sliding column, the connecting plate is provided with a sliding hole, the sliding column is sleeved in the sliding hole, the adjusting key is arranged along the length direction of the sliding hole, relative to the first shell, the adjusting key slides and drives the supporting piece to be close to or far away from the clamping piece.

In an embodiment of the present invention, the adjusting structure further includes an elastic member, the elastic member is disposed in the accommodating cavity, one end of the elastic member elastically abuts against the adjusting button, and the other end is fixed to the first housing.

The utility model also provides a chest expander, include the pulling force rope and as above-mentioned arbitrary regulation structure, the pulling force rope includes the main part section and locates the first end and the second end at the relative both ends of main part section, the main part section passes first opening and second opening, first end fixed connection in first casing, the holder with support piece forms the confession the line passageway that the main part section passed.

In an embodiment of the present invention, the chest expander further comprises a first wrist strap and a pulley assembly, the pulley assembly comprises a pulley cover, a pulley and a first connecting shaft, the first wrist strap passes through the first connecting shaft and the pulley cover, the pulley cover is respectively connected with two sides of the pulley and forms a passage for the main body segment to pass through.

In an embodiment of the present invention, the chest expander further comprises a rope buckle, the rope buckle is located between the adjusting structure and the pulley assembly, and the rope buckle is provided with an opening for the tensile rope to pass through.

In an embodiment of the present invention, a first connecting portion is further disposed between the pulley assembly and the first wrist strap, and the pulley assembly is detachably connected to the first wrist strap through the first connecting portion;

and/or the chest expander also comprises a second wrist strap connected with the second end, a second connecting part is further arranged between the second end and the second wrist strap, and the second end is detachably connected with the second wrist strap through the second connecting part.

The utility model discloses technical scheme is through adopting first casing and adjusting part, when not using, passes the pulling force rope between the first opening of first casing and the second opening, and it is fixed by support piece and holder cooperation. When the body-building person need use the length of use of adjusting the structure and adjusting the pulling force rope, press the regulation button, can make the regulation button drive support piece and keep away from the holder, let form the wire passing channel who supplies the pulling force rope to pass between holder and the support piece, at this moment, body-building person can freely adjust the length of use of pulling force rope. After the adjustment is finished, the adjusting button is loosened, the adjusting button is reset, the supporting piece is driven to be close to the clamping piece, and the tensile rope is clamped and fixed by the supporting piece and the clamping piece together. The utility model provides an adjust the structure and let body-building person can adjust the use length of pulling force rope according to the demand of oneself, more accord with body-building person's actual demand. In addition, the chest expander does not need to be frequently replaced during body building, so that the time of the body builders is saved, the body building burden of the body builders is reduced, and the body building experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the chest expander of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural diagram of an embodiment of the adjusting structure of the present invention;

fig. 4 is a partially enlarged view of fig. 3 at B.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, an adjusting structure 10 is provided, and the adjusting structure 10 is used for adjusting the length of the tensile cord 30. The adjustment structure 10 includes a first housing 11 and an adjustment assembly 13. The first housing 11 has an accommodating cavity formed therein, and the first housing 11 further has a first opening 11a and a second opening 11 b. The adjusting assembly 13 includes a supporting member 133, a clamping member 135 and an adjusting button 131, the supporting member 133 and the clamping member 135 are disposed in the accommodating cavity, the adjusting button 131 is movably connected to the first housing 11, and the supporting member 133 is connected to the adjusting button 131.

An accommodating chamber is formed in the first housing 11, and the first housing 11 is provided with a first opening 11a and a second opening 11b communicating with the accommodating chamber. The first opening 11a and the second opening 11b may be penetrated by the tensile cord 30 so that the tensile cord 30 may penetrate the first housing 11.

The adjusting assembly 13 includes a supporting member 133, a clamping member 135 and an adjusting button 131, the supporting member 133 and the clamping member 135 are disposed in the accommodating cavity, the adjusting button 131 is movably connected to the first housing 11, and the supporting member 133 is connected to the adjusting button 131. The adjusting button 131 is movably connected to the first housing 11, and when moving, the adjusting button can drive the supporting member 133 to approach or depart from the clamping member 135, and a wire passage for the tension rope 30 to pass through is further formed between the clamping member 135 and the supporting member 133.

The technical scheme of the utility model, through adopting first casing 11 and adjusting part 13, when not using, the pulling force rope 30 between first opening 11a and the second opening 11b that passes first casing 11 is fixed by support piece 133 and the cooperation of holder 135. When body-building person needs to use the utility model provides an adjust structure 10 when adjusting tensile rope 30's use length, press and adjust button 131, can make and adjust button 131 and drive support piece 133 and keep away from holder 135, let form the wire passing channel who supplies tensile rope 30 to pass between holder 135 and the support piece 133, at this moment, body-building person can freely adjust tensile rope 30's use length. After the adjustment is completed, the adjusting button 131 is released, so that the adjusting button 131 is reset, and the supporting member 133 is driven to approach the clamping member 135, so that the tensile cord 30 is clamped and fixed by the supporting member 133 and the clamping member 135 together. The utility model provides an adjust structure 10 and let body-building person can adjust the use length of pulling force rope 30 according to the demand of oneself, more accord with body-building person's actual demand. In addition, the chest expander 100 does not need to be frequently replaced during body building, so that the time of the body builders is saved, the body building burden of the body builders is reduced, and the body building experience is improved.

Referring to fig. 1 to 4, in an embodiment of the present application, the clamping member 135 is provided with a clamping protrusion 1351 protruding toward the supporting member 133, the clamping protrusion 1351 and the supporting member 133 abut against opposite sides of the tensile cord 30, and the clamping protrusion 1351 can cooperate with the supporting member 133 to fix the tensile cord 30 in the first housing 11, so as to prevent the tensile cord 30 from sliding during use and affecting the use.

The surfaces of the clamping protrusion 1351 and the supporting member 133 may be further configured as a smooth curved surface, and the surfaces of the clamping protrusion 1351 and the supporting member 133 may be configured as a smooth curved surface to prevent the tensile cord 30 from being worn during the use of the adjusting structure 10.

Referring to fig. 1 to 4, in order to make the clamping member 135 and the supporting member 133 clamped more firmly, the tensile cord 30 is not easily slid in the adjustment structure 10. Therefore, in one embodiment of the present application, at least two clamping members 135 are provided, and correspondingly, at least two clamping protrusions 1351 are provided, and at least two clamping members 135 are provided on the same side of the tensile cord 30. The arrangement of the at least two clamping members 135 allows more force points on the tensile cord 30 when clamping the tensile cord 30, so that the tensile cord 30 can be better clamped and fixed by the cooperation of the clamping members 135 and the supporting member 133.

Referring to fig. 1 to 4, at least two clamping members 135 may be further disposed at intervals along the length direction of the tensile cord 30, the supporting member 133 is located between the two clamping members 135 in the length direction, and the supporting member 133 is located on a side of the tensile cord 30 opposite to the clamping members 135. Therefore, the supporting member 133 and the clamping member 135 can clamp the tensile cord 30 from two directions of the tensile cord 30 respectively, and the supporting member 133 is located between the two clamping members 135, so that the acting points of the clamping member 135 on the tensile cord 30 correspond to two sides of the supporting member 133, and the supporting member 133 and the clamping member 135 are uniformly stressed when being matched with each other to fixedly clamp the tensile cord 30.

Referring to fig. 1 to 4, in an embodiment of the present application, the adjustment button 131 includes a handle portion 1311 and a connecting plate 1313, the connecting plate 1313 has a first side and a second side opposite to each other, the handle portion 1311 is connected to the first side, and the supporting member 133 is connected to the second side. When the adjusting structure 10 is used, the handle portion 1311 can be pressed, the connecting plate 1313 drives the supporting member 133 to be close to or far from the clamping member 135, so that the tensile rope 30 is clamped or loosened, and the function that the length of the tensile rope 30 can be adjusted freely by the adjusting structure 10 is achieved.

Can further dismantle the connection in connecting plate 1313 with handle portion 1311, can dismantle the setting of connection, make adjustment structure 10 after long-term the use, can change the handle portion 1311 that takes place to wear and tear, guarantee adjustment structure 10's normal use, save the cost of changing the utensil. It is understood that the handle portion 1311 and the connecting plate 1313 may be provided as an integral structure for ease of fabrication.

Referring to fig. 1 to 4, in an embodiment of the present application, the first housing 11 is provided with an abdicating opening 11d for the handle 1311 to pass through, the inner wall surface of the first housing 11 is provided with a sliding column 111, the connecting plate 1313 is provided with a sliding hole 131a, the sliding column 111 is sleeved in the sliding hole 131a, and the adjusting button 131 can slide relative to the first housing 11 along the length direction of the sliding hole 131a and drive the supporting member 133 to approach or leave the clamping member 135. When the pull rope 30 is used, if the length of the pull rope 30 does not match the actual situation of the exerciser, the adjusting button 131 can slide along the length direction of the sliding hole 131a toward the direction close to the clamping member 135 by pressing the handle portion 1311, and the supporting member 133 can be driven to slide along the direction of the sliding column 111 and away from the clamping member 135, and finally the surface of the supporting member 133 facing away from the connecting plate 1313 can be abutted against the inner surface of the first housing 11. At this time, a wire passage is formed between the supporting member 133 and the clamping member 135, the tensile cord 30 is no longer clamped between the supporting member 133 and the clamping member 135, the tensile cord 30 can freely pass through the first housing 11, and the exerciser can arbitrarily adjust the length of the tensile cord 30 to be suitable for the user, as specifically shown in fig. 2. After the length adjustment is completed, the handle 1311 is released, the adjusting button 131 is reset, and the supporting member 133 is driven to move along the direction of the sliding column 111 and return to the initial position, at this time, the supporting member 133 can continue to cooperate with the clamping member 135 to clamp the tensile cord 30, so that the tensile cord 30 does not slide when in use, as specifically shown in fig. 4.

Referring to fig. 1 to 4, in an embodiment of the present application, the adjusting structure 10 further includes an elastic element 137, the elastic element 137 is disposed in the accommodating cavity, one end of the elastic element 137 elastically abuts against the adjusting button 131, and the other end of the elastic element 137 is fixed to the first housing 11, and the elastic element 137 may be a spring. When the using length of the tensile cord 30 is adjusted by pressing the adjusting button 131, the elastic member 137 is in a compressed state, and at this time, the pressure applied to the adjusting button 131 can drive the supporting member 133 to be away from the clamping member 135, so that a cord passing channel is formed between the clamping member 135 and the supporting member 133, and the tensile cord 30 can freely pass through the cord passing channel, so that the using length of the tensile cord 30 can be adjusted. After the adjustment is completed, when the adjustment button 131 is released, the elastic member 137 provides a resilient force to the adjustment button 131, so that the adjustment button 131 is reset, and the supporting member 133 is driven to approach the clamping member 135 and clamp and fix the tensile cord 30 together with the clamping member 135.

The utility model also provides a chest expander 100, this chest expander 100 includes pulling force rope 30 and regulation structure 10. The specific structure of the adjustment structure 10 refers to the above embodiments, and since the chest expander 100 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. The tensile cord 30 includes a main body segment 31, and a first end 33 and a second end 35 disposed at two opposite ends of the main body segment 31, the main body segment 31 passes through the first opening 11a and the second opening 11b, the first end 33 is fixedly connected to the first housing 11, and the clamping member 135 and the supporting member 133 form a cord passing channel for the main body segment 31 to pass through. The support 133 and the clamp 135 of the adjustment assembly 13 are used to clamp the body segment 31 to achieve locking and releasing of the entire tension cord 30.

Referring to fig. 1 to 4, the accommodating cavity may be further configured as a first connecting cavity and an adjusting cavity, the first housing 11 is provided with a third opening 11c for the tensile cord 30 to pass through, the adjusting assembly 13 is disposed in the adjusting cavity, and the first end 33 of the tensile cord 30 is disposed in the first connecting cavity. A rope end may also be provided at the first end 33 of the tensile rope 30, the first end 33 being disposed within the rope end. The diameter of the third opening may be set to be smaller than the diameter of the string head, and the tensile string 30 is fixedly connected to the first housing 11 by placing the first end 33 with the string head in the first connection chamber. The arrangement of the rope end enables the first end 33 to be fixed in the first connecting cavity more firmly and not easy to slide out of the first connecting cavity. The rope end can be made of plastic or metal and the like. It will be readily understood that the body segment 31 of the tensile cord 30 may be connected to the first housing 11 by placing the first end 33 in the first connecting cavity by knotting the first end 33 of the body segment 31, so long as it is ensured that the tensile cord 30 does not slip out of the third opening.

Referring to fig. 1, in an embodiment of the present invention, the chest expander 100 may further include a first wrist strap 91 and a pulley assembly 50, wherein the pulley assembly 50 includes a pulley 51, a pulley cover 53 and a first connecting shaft 55. The pulley cover 53 is connected to both sides of the pulley 51, and forms a passage for the tensile cord 30 to pass through with the pulley 51, after the tensile cord 30 passes through the first opening 11a, the tensile cord 30 passes through the passage and finally passes through the third opening into the first housing 11, and the first end 33 of the tensile cord 30 is connected and fixed with the first housing 11. A first coupling shaft 55 is provided at the top of the pulley cover 53 for coupling the first wrist strap 91 and the pulley cover 53. The pulley assembly 50 is provided to enable the exerciser to adjust the length of the tension cord 30 more conveniently when using the adjusting structure 10. The design of first wrist strap 91 makes the person who takes exercises use the utility model provides a chest expander 100 grips more conveniently when taking exercise, better putting forth effort.

A cord lock 95 may be further provided between the pulley assembly 50 and the adjustment structure 10, see fig. 1 in particular. The rope buckle 95 is correspondingly provided with an opening through which the tensile rope 30 passes, the tensile rope 30 which penetrates through the adjusting structure 10 through the first opening 11a and the second opening 11b passes through the opening on the rope buckle 95, passes through a channel between the pulley cover 53 and the pulley 51, passes through another opening on the rope buckle 95, finally enters the first shell 11 from the third opening, and the main body section 31 is fixedly connected to the first shell 11. The cord lock 95 is disposed between the pulley assembly 50 and the adjustment structure 10 to hold the tensile cord 30 together, thereby preventing the tensile cord 30 from being too scattered to hinder the use.

The embodiment of the present invention provides a chest expander 100, which further comprises a second wrist strap 93 and a sensing structure 70, wherein the second wrist strap 93 is connected to the second end 35 of the tensile cord 30. A sensing structure 70 may be disposed between the second end 35 and the second wrist strap 93 for sensing and uploading tension data of the exerciser 100. When the chest expander 100 is used by the exercisers, the sensing structure 70 can detect the exercise data of the exercisers, and the sensing structure 70 can upload the acquired exercise data to a specified target, such as a cloud end or an APP associated with the chest expander 100. The fitness data may include values and times of tension applied during exercise. The sensing structure 70 can better acquire related data, so that the body-building people can master the motion data at any time, and the aim of more scientifically exercising the body is fulfilled.

Referring to fig. 1, in an embodiment of the present application, a first connection portion 97 is further disposed between the pulley assembly 50 and the first wrist strap 91, and the pulley assembly 50 can be detachably connected to the first wrist strap 91 through the first connection portion 97. The pulley assembly 50 and the first wrist strap 91 can be detachably connected by a screw connection, a snap connection, or a hinge connection, for example, the first connection 97 can be a climbing buckle, a screw nut, a screw buckle, etc.

A second link 99 may be further provided between the second end 35 and the second wristband 93. The second end 35 and the second wrist strap 93 can be detachably connected in the above-mentioned manner. The arrangement of the first connecting portion 97 and the second connecting portion 99 enables the first wrist strap 91 and the second wrist strap 93 to be replaced by wrist straps suitable for the size of the wrist of the user when the user uses the chest expander 100, so that the actual requirements of the user can be met, and the user can exercise more comfortably.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. An adjustment structure for adjusting the length of a tensile cord, the adjustment structure comprising:

the first shell is internally provided with an accommodating cavity, and the first shell is provided with a first opening and a second opening which are communicated with the accommodating cavity; and

the adjusting assembly comprises an adjusting key, a supporting piece and a clamping piece, wherein the supporting piece is connected with the adjusting key, the adjusting key is movably connected with the first shell and drives the supporting piece to be close to or far away from the clamping piece, and the clamping piece and the supporting piece form a line passing channel for the tensile rope to pass through.

2. The adjusting structure as claimed in claim 1, wherein the holding member is provided with a holding protrusion protruding toward the supporting member, and the holding protrusion and the supporting member abut against opposite sides of the tensile cord.

3. The adjustment mechanism of claim 1, wherein said at least two gripping members are provided, at least two of said gripping members being provided on the same side of said tensile cord.

4. The adjustment mechanism of claim 3, wherein at least two of said retaining members are spaced apart along a length of said tensile cord, said support member being positioned between said retaining members along said length, said support member being positioned on a side of said tensile cord opposite said retaining members.

5. The adjustment mechanism of any one of claims 1 to 4, wherein said adjustment button comprises a handle portion and a web, said web having first and second oppositely disposed sides, said handle portion being attached to said first side and said support member being attached to said second side;

the first shell is provided with a yielding port for the handle part to pass through, the inner wall surface of the first shell is provided with a sliding column, the connecting plate is provided with a sliding hole, the sliding column is sleeved in the sliding hole, the adjusting key is arranged along the length direction of the sliding hole, relative to the first shell, the adjusting key slides and drives the supporting piece to be close to or far away from the clamping piece.

6. The adjusting structure of claim 5, further comprising an elastic member disposed in the accommodating cavity, wherein one end of the elastic member elastically abuts against the adjusting button, and the other end of the elastic member is fixed to the first housing.

7. A chest expander comprising a tensile cord and an adjustment structure according to any one of claims 1 to 6, wherein said tensile cord comprises a body section and first and second ends disposed at opposite ends of said body section, said body section passes through said first and second openings, said first end is fixedly connected to said first housing, and said clamping member and said support member form a wire passage for said body section to pass through.

8. The chest expander of claim 7 further comprising a first wrist strap and a pulley assembly, said pulley assembly comprising a pulley, a pulley cover and a first connecting shaft, said first wrist strap being connected to said pulley cover by said first connecting shaft, said pulley cover being connected to both sides of the pulley and forming a channel through which said body segment passes.

9. The chest expander of claim 8 further comprising a cord lock, said cord lock being positioned between said adjustment structure and said pulley assembly, said cord lock being provided with an opening through which said tensile cord passes.

10. The chest expander of claim 8 wherein a first connection is provided between said pulley assembly and said first wrist strap, said pulley assembly being removably connected to said first wrist strap by said first connection;

and/or the chest expander also comprises a second wrist strap connected with the second end, a second connecting part is further arranged between the second end and the second wrist strap, and the second end is detachably connected with the second wrist strap through the second connecting part.

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