CN210205720U - Chest expander capable of adjusting tension - Google Patents
Chest expander capable of adjusting tension Download PDFInfo
- Publication number
- CN210205720U CN210205720U CN201920802367.3U CN201920802367U CN210205720U CN 210205720 U CN210205720 U CN 210205720U CN 201920802367 U CN201920802367 U CN 201920802367U CN 210205720 U CN210205720 U CN 210205720U
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- CN
- China
- Prior art keywords
- chest expander
- spring
- screw rod
- handle
- side handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an adjustable tensile chest expander, including chest expander left side handle, chest expander right side handle, left spring, right spring and connecting piece, both ends all are provided with the spring connector about left side spring and the right spring, be provided with the screw rod on the spring connector, the one end of left side spring is passed through the screw rod and is connected with chest expander left side handle, and the other end of left side spring passes through the screw rod to be connected with the one end of connecting piece, and the other end of connecting piece passes through the screw rod to be connected with the one end of right spring, and the other end of right spring passes through the screw rod to be connected with chest expander right side handle, the contact surface of chest expander left side handle and chest expander right side handle and spring connector all be provided with screw rod complex screw, the inner wall of connecting piece be provided with screw rod complex internal thread. The utility model adopts the above structure, have adjustable pulling force, it is wide to be suitable for the crowd, novel structure, simple, convenient to use's advantage.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, in particular to a chest expander capable of adjusting tension.
Background
The chest expander is also called as chest expander, and the spring is arranged on the chest expander, and the chest expander can be pulled open by two hands to strengthen the strength of the muscles of the chest and the arms. Because the chest expander has small volume, occupies no space, is convenient to exercise and has good effect, and the chest expander is used as an instrument for the public body-building exercise and is very popular with the majority of body-building enthusiasts. Once manufactured and formed, the maximum tensile force which can be borne by the chest expander cannot be changed, so that the chest expander is not suitable for different people; when the spring is pulled open, the clamp is easy to be clamped
However, in the prior art, once the chest expander is manufactured and molded, the length of the spring cannot be changed, the maximum tensile force which can be borne by the chest expander cannot be changed, and the chest expander is not suitable for different people, especially students with short arm lengths, and has a small application range.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adjustable pulling force, be suitable for the extensive chest expander of crowd.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides an adjustable tensile chest expander, includes chest expander left side handle, chest expander right side handle, left spring, right spring and connecting piece, both ends all are provided with the spring connector about left side spring and right spring, be provided with the screw rod on the spring connector, the one end of left side spring is passed through the screw rod and is connected with chest expander left side handle, and the other end of left side spring passes through the screw rod to be connected with the one end of connecting piece, and the other end of connecting piece passes through the screw rod to be connected with the one end of right spring, and the other end of right spring passes through the screw rod to be connected with chest expander right side handle, the contact surface of chest expander left side handle and chest expander right side handle and spring connector all be provided with screw rod complex screw, the inner wall of connecting piece be provided with.
Preferably, the left handle of the chest expander and the right handle of the chest expander are both provided with handle parts, the left handle of the chest expander is also provided with a tension sensor and a counter, and the tension sensor is connected with the counter.
Preferably, the tension sensor and the counter are both connected to a power source.
Preferably, the inner side of the handle part is provided with a groove which is attached to a human finger.
Preferably, the outer side of the handle part is provided with a rubber pad, and the surface of the rubber pad is provided with a plurality of bulges.
Preferably, the protrusion is an elongated or cylindrical protrusion.
Preferably, a safety rope is arranged on the rubber pad.
Preferably, hoses are arranged on the outer sides of the left spring and the right spring.
Preferably, the screw holes are provided with at least three.
Compared with the prior art, the utility model discloses following beneficial effect has: the length of the spring is changed through the connection of the left spring and the right spring, or the number of the springs is increased or decreased, so that the tension is changed, and the use requirements of different crowds, such as the use requirements of students with short arm length and the gradual training of beginners can be met; the handle part is provided with the groove, so that the wrist protective device accords with ergonomics and is convenient to grasp, the rubber bulge is arranged, the elasticity is certain, the hand is not easy to be injured, the hand of a user is not easy to bubble, and the safety rope is arranged to prevent the wrist from being injured; chest expander left hand handle sets up force sensor, can detect out the dynamics of pulling at every turn, and convenient to use person knows the pulling force condition of self, sets up the counter, can make statistics of the number of times of using, and convenient to use person's later stage statistics and management, the spring outside sets up the hose, can prevent effectively that the spring clamp from hindering skin and hair, improves the security. The utility model discloses novel structure, simple, convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the spring of the present invention;
fig. 3 is a side view of the handle of the chest expander of the present invention.
In the figure, 1-left handle of the chest expander, 11-handle part, 12-groove, 13-rubber pad, 14-safety rope, 15-screw hole, 16-protrusion, 2-right handle of the chest expander, 3-left spring, 31-spring connector, 32-screw, 33-hose, 4-right spring, 5-connector, 6-tension sensor and 7-counter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the embodiment of the utility model, as shown in fig. 1-3, the chest expander with adjustable tension comprises a chest expander left handle 1 and a chest expander right handle 2, left side spring 3, right side spring 4 and connecting piece 5, both ends all are provided with spring connector 31 about left side spring 3 and right spring 4, be provided with screw rod 32 on the spring connector 31, left side spring 3's one end is passed through screw rod 32 and is connected with chest expander left handle 1, left side spring 3's the other end passes through screw rod 32 and is connected with connecting piece 5's one end, connecting piece 5's the other end passes through screw rod 32 and is connected with right spring 4's one end, right side spring 4's the other end passes through screw rod 32 and is connected with chest expander right handle 2, chest expander left handle 1 and chest expander right handle 2 all are provided with screw 15 with screw 32 complex with spring connector 31's contact surface, screw 15 is provided with threely at least, the inner wall of connecting piece 5 is provided with the internal thread structure (not shown. Through left spring and right spring coupling, change the length of spring, perhaps through increase and decrease spring number to change pulling force size, can satisfy different crowds 'user demand, like the student's that the arm length is short use demand and guide beginner training etc. step by step.
The left spring and the right spring adopted in the embodiment can be connected with each other by springs with the same length and the same type, and can also be connected with each other by springs with different lengths and types.
In this embodiment, chest expander left side handle 1 and chest expander right side handle 2 all are provided with handle portion 11, and chest expander left side handle 1 still is provided with force sensor 6 and counter 7, and force sensor 6 and counter 7 link to each other, and force sensor 6 and counter 7 all link to each other with the power, can detect out the dynamics of pulling at every turn, and convenient to use person knows the pulling force condition of self and the number of times of statistics use, convenient to use person later stage statistics and management.
In this embodiment, the inboard of handle portion 11 is provided with the recess 12 with human finger laminating, accords with human engineering, makes things convenient for the gripping, and the outside of handle portion 11 is provided with rubber pad 13, and the surface of rubber pad 13 is provided with the protruding 16 of a plurality of, and protruding 16 is rectangular form or cylindric arch, has certain elasticity, is difficult for hindering the hand, also is difficult for making user's hand blister, is provided with safety rope 14 on the rubber pad 13, twines safety rope on the wrist during the use, prevents that the wrist from being injured.
In this embodiment, the hoses 33 are disposed on the outer sides of the left spring 3 and the right spring 4, so that skin and hair can be effectively prevented from being injured by the springs, and safety is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. The utility model provides an adjustable pulling force chest expander which characterized in that: including chest expander left side handle, chest expander right side handle, left spring, right spring and connecting piece, both ends all are provided with the spring coupling head about left side spring and right spring, the overhead screw rod that is provided with of spring coupling, the one end of left side spring is passed through the screw rod and is connected with chest expander left side handle, and the other end of left side spring passes through the screw rod to be connected with the one end of connecting piece, and the other end of connecting piece passes through the screw rod to be connected with the one end of right spring, and the other end of right side spring passes through the screw rod to be connected with chest expander right side handle, chest expander left side handle and chest expander right side handle all are provided with screw rod complex screw with the contact surface of spring coupling head, the inner wall of connecting piece be.
2. The adjustable tension chest expander of claim 1 wherein: the chest expander left handle with chest expander right side handle all is provided with handle portion, and chest expander left side handle still is provided with force sensor and counter, force sensor and counter link to each other.
3. The adjustable tension chest expander of claim 2 wherein: the tension sensor and the counter are connected with a power supply.
4. The adjustable tension chest expander of claim 2 wherein: the inner side of the handle part is provided with a groove which is attached to a human finger.
5. The adjustable tension chest expander of claim 2 wherein: the outside of handle portion is provided with the rubber pad, and the surface of rubber pad is provided with a plurality of arch.
6. The adjustable tension chest expander of claim 5 wherein: the bulges are strip-shaped or cylindrical bulges.
7. The adjustable tension chest expander of claim 5 wherein: a safety rope is arranged on the rubber pad.
8. The adjustable tension chest expander of claim 1 wherein: and hoses are arranged on the outer sides of the left spring and the right spring.
9. The adjustable tension chest expander of claim 1 wherein: the screw hole is provided with three at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802367.3U CN210205720U (en) | 2019-05-30 | 2019-05-30 | Chest expander capable of adjusting tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802367.3U CN210205720U (en) | 2019-05-30 | 2019-05-30 | Chest expander capable of adjusting tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210205720U true CN210205720U (en) | 2020-03-31 |
Family
ID=69928683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920802367.3U Expired - Fee Related CN210205720U (en) | 2019-05-30 | 2019-05-30 | Chest expander capable of adjusting tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210205720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244567A (en) * | 2021-05-18 | 2021-08-13 | 重庆邮电大学 | Intelligent fitness equipment and fitness equipment system |
-
2019
- 2019-05-30 CN CN201920802367.3U patent/CN210205720U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244567A (en) * | 2021-05-18 | 2021-08-13 | 重庆邮电大学 | Intelligent fitness equipment and fitness equipment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |