CN209154987U - A kind of arm of force adjustable safety arm strength device - Google Patents
A kind of arm of force adjustable safety arm strength device Download PDFInfo
- Publication number
- CN209154987U CN209154987U CN201821795175.6U CN201821795175U CN209154987U CN 209154987 U CN209154987 U CN 209154987U CN 201821795175 U CN201821795175 U CN 201821795175U CN 209154987 U CN209154987 U CN 209154987U
- Authority
- CN
- China
- Prior art keywords
- connecting shaft
- screw thread
- arm
- thread connecting
- arm strength
- 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
Links
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a kind of arm of force adjustable safety arm strength devices, including arm strength spring, the both ends of arm strength spring are fixedly connected with one end of a connecting shaft respectively, the other end of two connecting shafts is fixedly connected to lever, connecting shaft includes coaxial arrangement and external screw thread connecting shaft and internal screw thread connecting shaft that threaded adapter is installed together, is provided with anti-loosing fixing device between external screw thread connecting shaft and internal screw thread connecting shaft；On an elastic rod, the both ends of elastic rod are fixedly connected with one end of corresponding internal screw thread connecting shaft arm strength spring pocket respectively；The spring protective set with its close-fitting is arranged on arm strength spring；The safety belt that prevents it from being out of hand is equipped on lever.The utility model is simple and reasonable, safe and reliable, and can adjust the length of the arm of force, meets the different demands of user.
Description
Technical field
The utility model relates to body-building apparatus technical field, specially a kind of arm of force adjustable arm exerciser.
Background technique
With the improvement of living standards and the promotion of scientific and technological level, people's health consciousness constantly enhancing, in face
Face under allegro life stress, people select body-building one after another alleviate the pressure on body and seek it is spiritual loosen, and
People are daily because the reasons such as work and study can not extract time enough out and go the body-building of body-building shop, many portable body-building
Equipment comes into being, and provides moving condition for many bustling about office workers.The chest-developer fitness equipment common as one kind,
With its simple construction, effective the advantages of tempering efficiency and conveniently taking exercise at any time, it is favored by people.
Chest-developer also known as grip stick are main exercise arm strength and chest muscle for tempering arm muscle group, auxiliary exercise wrist power.
Chest-developer is a kind of sports apparatus of preceding wrist musculus flexor, there is certain risk.
The strength size of common chest-developer is fixed at present, when people are after exercise after a period of time, is needed
When the bigger chest-developer of strength, only replacement chest-developer, this undoubtedly increases the exercise cost of people, causes waste.In addition,
There are certain risk for chest-developer under the prior art, such as: because spring breakage injures user；Bullet wound makes due to lever is slipped out of the hand
User；Spring clip pulls the hair of user, crushes the muscle of user.
Therefore, a kind of arm of force adjustable safety arm strength device is developed regarding to the issue above, and not only there is urgent researching value,
Also with good economic efficiency and commercial application potentiality, this is exactly where the power that the utility model is accomplished and basis.
Utility model content
In order to overcome the defect of the prior art as indicated above, the present inventor has made intensive studies this, is paying
After a large amount of creative works, so as to complete the utility model.
Specifically, the technical problem to be solved by the utility model is to provide a kind of arm of force adjustable safety arm strength device,
Dynamics can not be adjusted with the chest-developer solved the problem of under the prior art and is easy to bring personal injury to user.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of arm of force adjustable safety arm strength device, including arm strength spring, the both ends of the arm strength spring are connect with one respectively
One end of axis is fixedly connected, and the other end of two connecting shafts is fixedly connected to lever；
The connecting shaft includes coaxial arrangement and the external screw thread connecting shaft that is installed together of threaded adapter is connected with internal screw thread
Axis is provided with anti-loosing fixing device, the external screw thread connection between the external screw thread connecting shaft and the internal screw thread connecting shaft
Axis is fixedly connected far from one end of the internal screw thread connecting shaft with the lever, and the internal screw thread connecting shaft is far from the external screw thread
One end of connecting shaft is fixedly connected with the arm strength spring；
The arm strength spring pocket on elastic rod, the both ends of the elastic rod respectively with the corresponding internal screw thread
One end of connecting shaft is fixedly connected；
The spring protective set with its close-fitting is arranged on the arm strength spring；
The safety belt that prevents it from being out of hand is equipped on the lever.
As an improvement the anti-loosing fixing device is a fastening nut, the fastening nut is threadably mounted at institute
It states in external screw thread connecting shaft.
As an improvement the anti-loosing fixing device is nylon ring, the nylon ring is inlaid in the internal screw thread and connects
In the thread groove of spindle, the internal diameter of the nylon ring is less than the pitch diameter of thread of the internal screw thread connecting shaft, and is greater than in described
The bottom diameter of thread cnnecting shaft.
As an improvement the elastic rod is polyurethane stick or Cowhells stick or elastic rubber stick.
As an improvement the spring protective set is polyurethane rubber protective jacket.
As an improvement the safety belt that prevents it from being out of hand includes a flexible connection rope and two armguard bands, the arm strength
Through-hole has axially been opened in the inside of device, and the through-hole runs through the lever, the external screw thread connecting shaft, the internal screw thread connecting shaft
And the elastic rod, the diameter of the through-hole are greater than the outer diameter of the flexible connection rope, the length of the flexible connection rope is greater than
The length of the through-hole, the flexible connection rope run through setting in the through hole, and two ends of the flexible connection rope
Stretch out the lever, the both ends of the flexible connection rope respectively with the handguard band connection.
As an improvement the junction of the armguard band and the flexible connection rope is provided with band, the band is used
The armguard band after binding is collapsed.
As an improvement the flexible connection rope is nylon rope or cotton cord or terylene rope or PP rope or cloth rope.
As an improvement indent and convex anti-skid design is arranged in the grip part of the lever.
After above-mentioned technical proposal, a kind of arm of force adjustable safety arm strength device of the utility model is had the beneficial effect that
(1) a kind of arm of force adjustable safety arm strength device of the utility model, the connecting shaft between arm strength spring and lever include
The external screw thread connecting shaft and internal screw thread connecting shaft that coaxial arrangement and threaded adapter are installed together, therefore user can pass through tune
The threaded connection degree of external screw thread connecting shaft and internal screw thread connecting shaft is saved to change the torque arm length of chest-developer, to change tradition
Chest-developer is merely able to can satisfy the different demands of user's difference exercise period, and different to fix the limitation that strength uses
The different demands of user；In addition, the connection of the setting external thread cnnecting shaft and internal screw thread connecting shaft of anti-loosing fixing device
Fastening effect is played, prevents from being threadedly coupled and circle round, influence the exercise experience of user.
(2) a kind of arm of force adjustable safety arm strength device of the utility model, arm strength spring pocket is on an elastic rod, and bullet
The both ends of power stick are fixedly connected with one end of corresponding internal screw thread connecting shaft respectively, and the setting of the structure improves chest-developer use
Safety, even if the accident of arm strength spring breakage occurs, elastic rod can also play connection function, avoid the arm strength spring of fracture
Injure user；
(3) a kind of arm of force adjustable safety arm strength device of the utility model is arranged with the elasticity with its close-fitting on arm strength spring
Protective jacket, user when in use will not because of the spring ring spacing of arm strength spring variation and folder occurs and pulls hair or crushes flesh
The danger of meat improves the safety in utilization of chest-developer；
(4) a kind of arm of force adjustable safety arm strength device of the utility model is equipped with the safety belt that prevents it from being out of hand on lever, uses
When, hand is fixedly connected by user by preventing it from being out of hand safety belt with lever, avoids the feelings of bullet wound user due to lever is slipped out of the hand
Condition occurs, and further improves the safety in utilization of chest-developer.
To sum up, a kind of arm of force adjustable safety arm strength device of the utility model is simple and reasonable, safe and reliable, and
Can meet the needs of user is to different dynamics by the length for adjusting the arm of force, no replacement is required chest-developer reduces exercise
Cost.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is this practical decomposition texture schematic diagram；
Fig. 3 is enlarged drawing at A in Fig. 1；
Fig. 4 is enlarged drawing at B in Fig. 1；
Fig. 5 is 2 external screw thread connecting shaft of embodiment and internal screw thread connecting structure for connecting shaft schematic diagram；
In figure: 1- arm strength spring, 2- connecting shaft, 21- external screw thread connecting shaft, 22- internal screw thread connecting shaft, 23- are anti-loosening tight
It being fixedly mounted with and sets, 24- nylon ring, 3- lever, 4- elastic rod, 5- spring protective set, 6- prevents it from being out of hand safety belt, 61- flexible connection rope,
62- armguard band, 63- band, 7- through-hole.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described.But the purposes of these exemplary embodiments
Only it is used to enumerate the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the protection scope of the utility model is confined to this.
Embodiment 1:
As shown in Figure 1, a kind of arm of force adjustable safety arm strength device, including arm strength spring 1, the both ends difference of arm strength spring 1
It is fixedly connected with one end of a connecting shaft 2, the other end of two connecting shafts 2 is fixedly connected to lever 3；
In conjunction with Fig. 2, connecting shaft 2 includes coaxial arrangement and the external screw thread connecting shaft 21 that is installed together of threaded adapter and interior spiral shell
Line connecting shaft 22, therefore user can pass through the threaded connection degree of adjusting external screw thread connecting shaft 21 and internal screw thread connecting shaft 22
Change the torque arm length of chest-developer, to change traditional chest-developer is merely able to can satisfy to fix the limitation that strength uses
The different demands of user's difference exercise period and the different demands of different users；
Anti-loosing fixing device 23 is provided between external screw thread connecting shaft 21 and internal screw thread connecting shaft 22, the present embodiment is prevented
Apparatus for fastening loosened 23 is a fastening nut, and fastening nut is threadably mounted in external screw thread connecting shaft 21.In conjunction with Fig. 3, when assembly,
External screw thread connecting shaft 21 is threadedly coupled with internal screw thread connecting shaft 22 first and is adjusted to appropriate location, then by fastening nut direction
The direction of internal screw thread connecting shaft 22 screws, until fastening nut reclines with internal screw thread connecting shaft 22, due to fastening nut with it is interior
Thread cnnecting shaft 22 is applied with identical screw-down torque, can so make the clamping between fastening nut and internal screw thread connecting shaft 22
Power is maintained at higher level, and locking kinetic force greatly improves.The external thread cnnecting shaft 21 of the setting of fastening nut connects with internal screw thread
The connection of spindle 22 plays fastening effect, prevents from being threadedly coupled and circle round, influences the exercise experience of user；
The one end of external screw thread connecting shaft 21 far from internal screw thread connecting shaft 22 is fixedly connected with lever 3, this is fixedly connected with mode
Using threaded connection or strength glue sticking；The one end of internal screw thread connecting shaft 22 far from external screw thread connecting shaft 21 and arm strength spring 1 are solid
Fixed connection, this is fixedly connected with mode and is fixedly connected using welding or clip；
Arm strength spring 1 is sleeved on an elastic rod 4, the both ends of elastic rod 4 respectively with corresponding internal screw thread connecting shaft 22
One end be fixedly connected, this be fixedly connected mode using be threadedly coupled or strength glue sticking；This arrangement enhances chest-developer uses
Safety, even if the accident that arm strength spring 1 is broken occurs, elastic rod 4 can also play connection function, avoid the arm strength bullet of fracture
Spring 1 injures user；Elastic rod 4 selects polyurethane stick or Cowhells stick or elastic rubber stick；
It being arranged on arm strength spring 1 and covers 5 with the spring protective of its close-fitting, spring protective set 5 is polyurethane rubber protective jacket,
Using above structure, user when in use will not because of the spring ring spacing of arm strength spring 1 variation and occur folder pull hair
Or the danger of muscle is crushed, improve the safety in utilization of chest-developer；
The safety belt 6 that prevents it from being out of hand is equipped on lever 3, in use, user is by the safety belt 6 that prevents it from being out of hand by hand and lever 3
The case where being fixedly connected, avoiding bullet wound user due to lever 3 is slipped out of the hand generation, further improve chest-developer using safe
Property.
In order to further increase chest-developer valve security performance, structure and installation of the utility model to the safety belt 6 that prevents it from being out of hand
Mode is improved, as shown in Fig. 2, the safety belt 6 that prevents it from being out of hand includes a flexible connection rope 61 and two armguard bands 62, knot
It closes shown in Fig. 4, through-hole 7 has axially been opened in the inside of chest-developer, and through-hole 7 connects through lever 3, external screw thread connecting shaft 21, internal screw thread
Spindle 22 and elastic rod 4, the diameter of through-hole 7 are greater than the outer diameter of flexible connection rope 61, and the length of flexible connection rope 61 is greater than through-hole 7
Length, flexible connection rope 61 through be arranged in through-hole 7, and be flexibly connected rope 61 two ends stretch out lever 3, flexibility even
The both ends of splicing 61 are connect with armguard band 62 respectively, and flexible connection rope 61 selects nylon rope or cotton cord or terylene rope or PP rope or cloth
Item rope；
Based on the structure and mounting means of the above-mentioned safety belt 6 that prevents it from being out of hand, can be avoided prevent it from being out of hand safety belt 6 when in use from
It falls off on lever 3, loses its function, user is damaged；In addition the setting of armguard band 62 provides the palm of user
Abrasionproof protection, further improves the security performance of chest-developer.
It as shown in Figure 1 and Figure 2, is the storage convenient for chest-developer, armguard band 62 and the junction of flexible connection rope 61 are provided with
Band 63, band 63 are used to bundle the armguard band 62 after collapsing, and band 63 can select binding tape with hook-and-loop fasteners, but be not limited to magic
Band is pasted, all can be realized the structural member of the function.
In order to improve the non-skid property of lever 3, indent and convex anti-skid design is arranged in the grip part of lever 3.
The present embodiment use process is as follows:
(1) user's dynamics according to required for itself, by adjusting external screw thread connecting shaft 21 and internal screw thread connecting shaft 22
Connection depth and adjust torque arm length；
(2) after adjusting the arm of force, the direction of fastening nut towards internal screw thread connecting shaft 22 is screwed, until fastening nut with
Internal screw thread connecting shaft 22 reclines, and the connection of external thread cnnecting shaft 21 and internal screw thread connecting shaft 22 is played the role of fastening and loosened；
(3) after the arm of force fastens, armguard band 62 is fastened in palmar hand by user, carries out abrasionproof guarantor to palm
Shield, can be carried out arm strength at this time and takes exercise；
(4) after taking exercise, armguard band 62 is carried out folding gathering by armguard band 62 of loosening, and with 63 doubling overlapping of band
Armguard band 62 after holding together is bundled, convenient for storage.
Embodiment 2:
The present embodiment compared with Example 1, the difference is that the structure and mounting means of anti-loosing fixing device 23.With
Under the anti-loosing fixing device 23 of the present embodiment is described as follows:
As shown in figure 5, anti-loosing fixing device 23 is nylon ring 24, nylon ring 24 is inlaid in the spiral shell of internal screw thread connecting shaft 22
In groove slot, the internal diameter of nylon ring 24 is less than the pitch diameter of thread of internal screw thread connecting shaft 22, and is greater than the spiral shell of internal screw thread connecting shaft 22
Line internal diameter is based on the structure, and when external screw thread connecting shaft 21 is screwed into internal screw thread connecting shaft 22, nylon ring 24 is squeezed out internal screw thread
Groove in, the external screw thread of the splendid nylon ring 24 of elasticity and external screw thread connecting shaft 21 forms big and stable frictional resistance, rises
Good locking function is arrived, anti-loosening property is fabulous.It, can be by nylon ring 24 only flush-mounted in such as Fig. 5 institute in order to reduce installation difficulty
In the partial internal thread slot shown.
Details are not described herein again for the something in common of the present embodiment compared with Example 1.
It should be appreciated that the purposes of the embodiment is merely to illustrate the utility model and is not intended to limit the guarantor of the utility model
Protect range.In addition, it should also be understood that, those skilled in the art can be to this after having read the technology contents of the utility model
Utility model makees various change, modification and/or variation, all these equivalent forms equally fall within the application appended claims
Book is within the limits of the protection.
Claims (9)
1. a kind of arm of force adjustable safety arm strength device, including arm strength spring, the both ends of the arm strength spring respectively with a connecting shaft
One end be fixedly connected, the other end of two connecting shafts is fixedly connected to lever, it is characterised in that:
The connecting shaft includes coaxial arrangement and external screw thread connecting shaft and internal screw thread connecting shaft that threaded adapter is installed together, institute
It states and is provided with anti-loosing fixing device between external screw thread connecting shaft and the internal screw thread connecting shaft, the external screw thread connecting shaft is separate
One end of the internal screw thread connecting shaft is fixedly connected with the lever, and the internal screw thread connecting shaft is far from the external screw thread connecting shaft
One end be fixedly connected with the arm strength spring；
On an elastic rod, the both ends of the elastic rod are connected with the corresponding internal screw thread arm strength spring pocket respectively
One end of axis is fixedly connected；
The spring protective set with its close-fitting is arranged on the arm strength spring；
The safety belt that prevents it from being out of hand is equipped on the lever.
2. a kind of arm of force adjustable safety arm strength device as described in claim 1, it is characterised in that: the anti-loosing fixing device
For a fastening nut, the fastening nut is threadably mounted in the external screw thread connecting shaft.
3. a kind of arm of force adjustable safety arm strength device as described in claim 1, it is characterised in that: the anti-loosing fixing device
For nylon ring, the nylon ring is inlaid in the thread groove of the internal screw thread connecting shaft, and the internal diameter of the nylon ring is less than institute
The pitch diameter of thread of internal screw thread connecting shaft is stated, and is greater than the bottom diameter of the internal screw thread connecting shaft.
4. a kind of arm of force adjustable safety arm strength device as claimed in claim 2 or claim 3, it is characterised in that: the elastic rod is poly-
Urethane stick or Cowhells stick or elastic rubber stick.
5. a kind of arm of force adjustable safety arm strength device as claimed in claim 4, it is characterised in that: the spring protective set is poly-
Urethane elastometric boot.
6. a kind of arm of force adjustable safety arm strength device as claimed in claim 5, it is characterised in that: the safety belt packet that prevents it from being out of hand
A flexible connection rope and two armguard bands are included, through-hole has axially been opened in the inside of the chest-developer, and the through-hole is through described
The diameter of lever, the external screw thread connecting shaft, the internal screw thread connecting shaft and the elastic rod, the through-hole is greater than the flexibility
The outer diameter of connecting rope, the length of the flexible connection rope are greater than the length of the through-hole, and the flexible connection rope exists through setting
In the through-hole, and the lever is stretched out in two ends of the flexible connection rope, the both ends of the flexible connection rope respectively with
The handguard band connection.
7. a kind of arm of force adjustable safety arm strength device as claimed in claim 6, it is characterised in that: the armguard band with it is described soft
Property connecting rope junction be provided with band, the band is used to bundle the armguard band after gathering.
8. a kind of arm of force adjustable safety arm strength device as claimed in claim 7, it is characterised in that: the flexible connection rope is Buddhist nun
Dragon rope or cotton cord or terylene rope or PP rope or cloth rope.
9. a kind of arm of force adjustable safety arm strength device as claimed in claim 8, it is characterised in that: the grip part of the lever is set
Set indent and convex anti-skid design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795175.6U CN209154987U (en) | 2018-11-01 | 2018-11-01 | A kind of arm of force adjustable safety arm strength device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795175.6U CN209154987U (en) | 2018-11-01 | 2018-11-01 | A kind of arm of force adjustable safety arm strength device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209154987U true CN209154987U (en) | 2019-07-26 |
Family
ID=67336341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821795175.6U Expired - Fee Related CN209154987U (en) | 2018-11-01 | 2018-11-01 | A kind of arm of force adjustable safety arm strength device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209154987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832281A (en) * | 2022-05-16 | 2022-08-02 | 浙江广厦建设职业技术大学 | Arm exercise device for physical fitness |
-
2018
- 2018-11-01 CN CN201821795175.6U patent/CN209154987U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832281A (en) * | 2022-05-16 | 2022-08-02 | 浙江广厦建设职业技术大学 | Arm exercise device for physical fitness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2764419C (en) | Apparatus and system for a fitness stick | |
| CN209154987U (en) | A kind of arm of force adjustable safety arm strength device | |
| CN205814970U (en) | A kind of countable and spring gripping device of adjustable resistance | |
| CN108014445A (en) | A kind of Simple pull fitness equipment | |
| CN110604905A (en) | Hand rehabilitation training device for hemiplegic patient | |
| CN102397665A (en) | Bidirectional chest expander | |
| CN204563430U (en) | A kind of convenient and practical Lifting barbell | |
| US4605219A (en) | Jumperciser | |
| CN202169036U (en) | Portable pull-up training instrument | |
| CN201978387U (en) | Adjustable arm exerciser | |
| CN205339953U (en) | Arm strength trainer | |
| CN203001771U (en) | Arm trainer with display screen | |
| CN208193531U (en) | A kind of adjustable arm exerciser | |
| CN207950443U (en) | One kind drawing training aids | |
| CN204428701U (en) | Adjustable drag chest expander | |
| CN208611667U (en) | A kind of hand strength resumes training device | |
| CN204034130U (en) | Portable spring-grip | |
| CN2150900Y (en) | Gloves for sport of wushu | |
| CN202315189U (en) | Hammer with electronic centrifugal force testing device | |
| CN204563484U (en) | Rotate spring-grip | |
| CN205672424U (en) | A kind of slip-off preventing dumbbell | |
| CN218871191U (en) | Body-building equipment capable of exercising arm strength | |
| CN209048980U (en) | A kind of de- dumbbell of shock-proof check | |
| CN203355199U (en) | Portable length-adjustable skipping rope | |
| CN201171878Y (en) | Body-building resisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20201101 |