CN105344064B - A kind of adjustable chest expander - Google Patents
A kind of adjustable chest expander Download PDFInfo
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- CN105344064B CN105344064B CN201510575938.0A CN201510575938A CN105344064B CN 105344064 B CN105344064 B CN 105344064B CN 201510575938 A CN201510575938 A CN 201510575938A CN 105344064 B CN105344064 B CN 105344064B
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Abstract
The present invention provides a kind of adjustable chest expander, including pull ring, spring, the pull ring includes hanging hole, and the spring has the lock to match with hanging hole, and the spring is divided into outer spring and inner spring.There is attachment device between the lock and spring, the attachment device is made of female thread and sub-buckle；The sub-buckle is made of outer sub-buckle, interior sub-buckle, and the outer sub-buckle is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, and the inner wall of outer sub-buckle is fixedly connected with outer spring, and outer sub-buckle outer wall has the screw thread to match with female thread inner wall.There is composite cylinder, the composite cylinder is embedded in female thread, and the inner wall of the composite cylinder has screw thread inside the female thread.The interior sub-buckle is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, and the inner wall of interior sub-buckle is fixedly connected with inner spring, and interior sub-buckle outer wall has the screw thread to match with composite cylinder inner wall, and the interior sub-buckle can be attached with composite cylinder by rotation.
Description
Technical field
The present invention relates to chest expander functions expanding application field more particularly to a kind of adjustable chest expanders.
Background technique
Chest expander is a kind of instrument for being suitable for national physical training exercise.Since its is easy to use, small volume, at home
It can be used, therefore the widespread love by people.Office worker under normal circumstances, evening or weekend, the sufficient time did not went
Body-building shop or outdoor exercise then carry out the optimal selection of the physical exercise of adaptability using utensils such as chest expanders at home,
It is also one of most effective exercising way.Existing chest expander be by spring and pull and support handle and constitute, and spring by hanging hole with
Pull ring is attached.Due to pull ring be it is fixed, the quantity of circular hole is fixed, therefore can only be connected and fixed the spring of quantity,
It is unable to satisfy user and increases number of springs demand, the function that can not be automatically adjusted.And increase spring diameter, pull ring
Length be also it is fixed, the spring of thicker diameter can not be mounted side by side simultaneously, therefore how can make being changed without pull ring situation
Obtaining chest expander also may be implemented the function of automatic adjustment, it would be highly desirable to solve.
Summary of the invention
For problem as described above, may be implemented to move the automatic tune of needs realization according to user to solve chest expander
The quantity of tension spring is saved, the problem of raising or lowering training strength, the present invention provides a kind of adjustable chest expander, packets
Pull ring, spring are included, the pull ring includes hanging hole, and the hanging hole is located at pull ring bottom edge, and the spring has and hanging hole phase
Matched lock.
Optimization, the spring is divided into outer spring and inner spring.The outer diameter of the outer spring most limit is close: bottom edge
Total length divided by the quantity of hanging hole numerical value.Such as: the pull ring bottom edge is 15cm, and hanging hole has 5, then every outer spring
Outer diameter infinite tendency 5cm.The inner spring outer diameter setting is can pass through inside outer spring freely as principle, present invention warp
Cross following Experimental comparison:
When inner spring outer diameter is less than outer spring internal diameter 0.2cm, inner spring needs to realize in outer spring by tool
Portion；
When inner spring outer diameter is less than outer spring internal diameter 0.3cm, inner spring can pass freely through inside outer spring reluctantly；
When inner spring outer diameter is less than outer spring internal diameter 0.4cm, inner spring can be passed freely through inside outer spring.
Therefore the outer diameter of inner spring and outer spring internal diameter minimal difference are 0.4cm.
Optimization, there is attachment device between the lock and spring, the attachment device is made of female thread and sub-buckle；
The sub-buckle is made of outer sub-buckle, interior sub-buckle.
The female thread is cylinder type, has top surface, and end face center position is fixedly connected with lock, and female thread can directly lead to
It crosses lock to hang on hanging hole, further, the female thread inner wall has screw thread.
The outer sub-buckle is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, and inner wall and the outer spring of sub-buckle are fixed
Connection, outer sub-buckle outer wall have the screw thread to match with female thread inner wall.The outer sub-buckle outer diameter and female thread inner diameter
Identical, the outer sub-buckle can be connect by rotation with female thread.
There is composite cylinder, the composite cylinder is embedded in female thread, the composite cylinder inside the female thread
Inner wall have screw thread.The interior sub-buckle is consistent with the buckle-shaped shape of my husband, and size is different, and interior sub-buckle is cylinder type, cylinder interior
Hollow, cylinder runs through up and down, and the inner wall of interior sub-buckle is fixedly connected with inner spring, and interior sub-buckle outer wall has and composite cylinder inner wall phase
Matched screw thread, the interior sub-buckle can be attached with composite cylinder by rotation.
It should be noted that the inner spring at least has one, composite cylinder quantity and the interior bullet of the female thread
Spring quantity is consistent.The inner spring can have its attached inner spring, can freely be worn with time attached spring in physical space
Under conditions of shuttle, according to technical solution of the present invention, the inner spring quantity of stackable every outer spring.
Optimization, the outer spring has an elastic force regulating device, the elastic force regulating device be outer circle set, inner circle set,
Clamping lock, button composition, the elastic force regulating device are located at outer spring both ends, are connected with outer sub-buckle bottom, cover on outer spring,
The clamping lock pine flicks, inner circle set pop-up, to spring center compressed spring.It is natural when spring has external force compressed spring
Needing opposite direction active force to increase can just pull open, therefore elastic force regulating device further can increase or reduce user institute
Need training strength.
Optimization, the clamping lock is electromagnetism clamping lock, and the electromagnetism clip spring lock has two blocks of electromagnetism；The elastic force is adjusted
There is battery inside device, press the button electromagnetism clamping lock and be powered, homopolar-repulsion, to spring center compressed spring.
Beneficial effects of the present invention:
The technological improvement carried out through the invention to common chest expander is used by realizing the compound use of multiple springs
Person can according to need the needs of exercise intensity, select size, the quantity of connecting spring, can without the realization of more entire chest expander
Arbitrarily to adjust the training strength of chest expander.Then the elastic force regulating device for increasing electromagnetic type compressible spring, further realizes
No replacement is required spring or chest expander are that can reach the effect for increasing training strength.
Detailed description of the invention
Fig. 1 is the overall structure diagram for the adjustable chest expander that the preferred embodiment for the present invention provides.
Fig. 2 is that currently preferred female thread and sub-buckle constitute attachment device structural schematic diagram.
Fig. 3 is the structural schematic diagram of currently preferred elastic force regulating device.
Specific embodiment
The present embodiment is described further below in conjunction with attached drawing.
It please refers to Fig.1 to Fig.3, a kind of adjustable chest expander that the preferred embodiment for the present invention provides, including pull ring 10,
Spring 20, the pull ring 10 include hanging hole 11, and the hanging hole 11 is located at 10 bottom edge of pull ring, and the spring 20 has and extension
The lock 30 that hole 11 matches.
Further, the spring 20 divides for outer spring 21 and inner spring 22.The outer diameter of the outer spring 21 most limits
Degree is close: 10 bottom edge total length of pull ring divided by the quantity of hanging hole 11 numerical value.
Example: the bottom edge of the pull ring 10 is 15cm, and hanging hole 11 has 5, then the outer diameter of every outer spring 21 infinitely becomes
Nearly 5cm.22 outer diameter of the inner spring setting is can pass through inside outer spring 21 freely as principle, and the present invention is by following real
Test comparison:
When 22 outer diameter of inner spring is less than 21 internal diameter 0.2cm of outer spring, inner spring 22 needs to realize by tool across outer
Inside spring 21；
When 22 outer diameter of inner spring is less than 21 internal diameter 0.3cm of outer spring, inner spring 22 can pass freely through outer spring 21 reluctantly
It is internal；
When 22 outer diameter of inner spring is less than 21 internal diameter 0.4cm of outer spring, inner spring 22 can be passed freely through inside outer spring 21.
Therefore the outer diameter of inner spring 22 and 21 internal diameter minimal difference of outer spring are 0.4cm.
Further, it is described lock 30 and spring 20 between have attachment device, the attachment device by female thread 40 with
Sub-buckle 50 forms；The sub-buckle 50 is made of outer sub-buckle 51, interior sub-buckle 52.
The female thread 40 is cylinder type, has a top surface, and end face center position 30 is fixedly connected with latching, and female thread 40 can be with
It is directly hung on hanging hole 11 by lock 30, further, 40 inner wall of female thread has screw thread.
The outer sub-buckle 51 is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, the inner wall and outer bullet of outer sub-buckle 51
Spring 21 is fixedly connected, and outer 51 outer wall of sub-buckle has the screw thread to match with 40 inner wall of female thread.51 outer diameter of outer sub-buckle
Identical as 40 inner diameter of female thread, the outer sub-buckle 51 can be connect by rotation with 40 inner wall of female thread.
There is composite cylinder 41, the composite cylinder 41 is embedded in female thread 40, described inside the female thread 40
The inner wall of composite cylinder 40 has screw thread.The interior sub-buckle 52 is consistent with outer 51 shape of sub-buckle, and size is different, and interior sub-buckle 52 is
Cylinder type, cylinder interior is hollow, and cylinder runs through up and down, and the inner wall of interior sub-buckle 52 is fixedly connected with inner spring 21, outside interior sub-buckle 52
Wall has the screw thread to match with 42 inner wall of composite cylinder, and the interior sub-buckle 52 and composite cylinder 42 can be carried out by rotation
Connection.
It should be noted that the inner spring 22 at least has one, 41 quantity of composite cylinder of the female thread 40
It is consistent with 22 quantity of inner spring.The inner spring 22 can have its attached inner spring 22, physical space can be attached with the time
Under conditions of belonging to spring free shuttling, according to technical solution of the present invention, 22 quantity of inner spring of stackable every outer spring 21.
The outer spring 21 and inner spring 22 respectively have one in the present embodiment.
Further, the outer spring 21 have elastic force regulating device, the elastic force regulating device be outer circle set 60, it is interior
Circle set 70, clamping lock 80, button 90 form, and the elastic force regulating device is located at 21 both ends of outer spring, is connected with outer 51 bottom of sub-buckle
It connects, covers on outer spring 21,90 pine of clamping lock flicks, 70 pop-up of inner circle set, to 21 central compressed outer spring 21 of outer spring.
When outer spring 21 has external force compression outer spring 21, needing opposite direction active force to increase naturally can just be pulled open, therefore elastic force
Regulating device further can increase or reduce training strength needed for user.
Further, the clamping lock 80 is electromagnetism clamping lock, and the electromagnetism clip spring lock has two blocks of electromagnetism: electromagnetism 81, electromagnetism
82；There is battery 83 inside the elastic force regulating device, press the 90 electromagnetism clamping lock of button and be powered, homopolar-repulsion, to
21 central compressed outer spring 21 of outer spring.
Beneficial effects of the present invention:
The technological improvement carried out through the invention to common chest expander, increased costs are unobvious, by realizing multiple springs
Compound use, user can according to need the needs of exercise intensity, size, the quantity of connecting spring selected, without more
Entire chest expander realizes the training strength that can arbitrarily adjust chest expander.Then the elastic force for increasing electromagnetic type compressible spring is adjusted
Device, the spring that further realizes that no replacement is required or chest expander can reach the effect for increasing training strength.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (1)
1. a kind of adjustable chest expander, including pull ring, spring, the pull ring include hanging hole, the spring has and extension
The lock that hole matches, it is characterised in that:
The spring is divided into outer spring and inner spring；
There is attachment device between the lock and spring, the attachment device is made of female thread and sub-buckle；The sub-buckle
It is made of outer sub-buckle, interior sub-buckle；
The female thread is cylinder type, has top surface, and top surface is fixedly connected with lock, and female thread inner wall has screw thread；
The outer sub-buckle is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, and the inner wall and outer spring of outer sub-buckle are fixed to be connected
It connects, outer sub-buckle outer wall has the screw thread to match with female thread inner wall；
The outer sub-buckle outer diameter is identical as female thread inner diameter, and the outer sub-buckle is connect by rotation with female thread；
There is composite cylinder inside the female thread, the composite cylinder is embedded in female thread, the composite cylinder it is interior
Wall has screw thread；The interior sub-buckle is cylinder type, and cylinder interior is hollow, and cylinder runs through up and down, the inner wall of interior sub-buckle and interior bullet
Spring is fixedly connected, and interior sub-buckle outer wall has the screw thread to match with composite cylinder inner wall, and the interior sub-buckle and composite cylinder are logical
It crosses and is rotated into capable connection；The inner spring at least has one, the composite cylinder quantity and inner spring quantity of the female thread
Unanimously；The outer spring has elastic force regulating device, and the elastic force regulating device is outer circle set, inner circle set, clamping lock, button group
At, the elastic force regulating device is located at outer spring both ends, and it is connected with outer sub-buckle bottom, covers on outer spring, the clamping lock
Pine flicks, and inner circle set pop-up, outside spring center compresses outer spring；The clamping lock is electromagnetism clamping lock, the electromagnetism clamping lock
With two blocks of electromagnetism；There is battery inside the elastic force regulating device, press the button electromagnetism clamping lock and be powered, homopolarity phase
Reprimand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575938.0A CN105344064B (en) | 2015-09-11 | 2015-09-11 | A kind of adjustable chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575938.0A CN105344064B (en) | 2015-09-11 | 2015-09-11 | A kind of adjustable chest expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105344064A CN105344064A (en) | 2016-02-24 |
| CN105344064B true CN105344064B (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575938.0A Active CN105344064B (en) | 2015-09-11 | 2015-09-11 | A kind of adjustable chest expander |
Country Status (1)
| Country | Link |
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| CN (1) | CN105344064B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398698B1 (en) * | 1999-02-02 | 2002-06-04 | Robert Sylvester Hinds | Adjustable exercise handgrip assembly |
| CN2584227Y (en) * | 2002-11-07 | 2003-11-05 | 华春潮 | Multifunction chest-developer |
| CN204017252U (en) * | 2014-02-14 | 2014-12-17 | 哈尔滨理工大学 | Adjustable resistance chest expander |
| CN204428701U (en) * | 2014-08-19 | 2015-07-01 | 耀丽发展有限公司 | Adjustable drag chest expander |
| CN205019628U (en) * | 2015-09-11 | 2016-02-10 | 深圳市福田区青少年科技教育协会 | Chest expander with adjustable |
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2015
- 2015-09-11 CN CN201510575938.0A patent/CN105344064B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105344064A (en) | 2016-02-24 |
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Effective date of registration: 20181024 Address after: 264006 No. 3, No. 5 Yongjiang Road, Yantai economic and Technological Development Zone, Shandong Applicant after: Shandong Ye Da culture media Limited by Share Ltd Address before: 518000 room 2803, government building, 123 Fumin Road, Futian District, Shenzhen, Guangdong. Applicant before: Shenzhen Futian District Youth Science Education Association |
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