CN214808139U

CN214808139U - Body-building chest expander

Info

Publication number: CN214808139U
Application number: CN202120945606.8U
Authority: CN
Inventors: 林茂全
Original assignee: Guangxi Institute of Occupational
Current assignee: Guangxi Institute of Occupational
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-23
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a body-building chest expander, including the fixed cover of first fixed cover, outside handle, latex tube and second, the bottom of the fixed cover of second is provided with adsorption structure, and the both sides of the fixed cover of second all are provided with pedal portion through the roller bearing, evenly distributed has the magnetotherapy piece in pedal portion, and the top of pedal portion all is provided with the fixed band, the top of the fixed cover of second is provided with first fixed cover, and evenly is provided with latex tube between the fixed cover of first fixed cover and second, one side embedding of fixed block has control panel, and the both sides of fixed block all are provided with outside handle, and the inside top evenly distributed of outside handle has anti-skidding arch. The utility model discloses an install the fixed cover of first fixed cover, second, pedal portion, outside handle, latex tube, adsorption structure, first reset spring, preformed groove and adsorb the piece for the fixed cover of second closely laminates with ground, and this chest expander is difficult to slide the aversion during the training, and stability is better.

Description

Body-building chest expander

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to a fitness chest expander.

Background

The chest developer is an appliance suitable for mass body building and exercise, is usually made of a handle and an elastic material, and has the using principle of exercising the physique by using the gravity during drawing, enhancing the sports pleasure, helping people to do whole body exercises such as strength, flexibility, stretching and the like anytime and anywhere, and having good fat reducing effect.

Most simple structure of current chest expander, the function singleness is unfavorable for fixing with ground when using, skids easily, is unfavorable for calculating tensile dynamics when tensile moreover, and the user can't learn the training data of oneself, is unfavorable for improving and takes exercise interest, and in addition, the elastic material of most chest expanders is unfavorable for changing after the damage appears, is unfavorable for long-term the use.

Disclosure of Invention

An object of the utility model is to provide a body-building chest expander to solve the not good, unable tensile dynamics of calculation of stability and the problem that elastic material is not convenient for change that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a body-building chest expander, includes the fixed cover of first fixed cover, outside handle, latex tube and second, the bottom of the fixed cover of second is provided with adsorption structure, and the both sides of the fixed cover of second all are provided with pedal portion through the roller bearing, evenly distributed has the magnetotherapy piece in pedal portion, and the top of pedal portion all is provided with the fixed band, the top of the fixed cover of second is provided with first fixed cover, and evenly is provided with latex tube between the fixed cover of first fixed cover and second, the top of first fixed cover one side is provided with force transducer, and the top of first fixed cover is fixed with the fixed block, one side embedding of fixed block has control panel, and the both sides of fixed block all are provided with outside handle, and the inside top evenly distributed of outside handle has anti-skidding arch.

Preferably, the inside central point department of putting of outside handle all is provided with inside handle, and the bottom of inside handle all is provided with the movable rod, all be fixed with the dead lever in the outside handle of movable rod below, and evenly be provided with rigid spring between dead lever and the movable rod, can pull rigid spring and stretch out and draw back, and then train the palm grip, satisfy different training demands.

Preferably, the both ends of latex tube all are fixed with the installation piece, and the installation piece inserts the inside of first fixed cover and second fixed cover respectively for the latex tube is removable traded.

Preferably, adsorption structure's bottom is provided with the reservation tank, and the inside in reservation tank evenly is provided with through first reset spring and adsorbs the piece, and this chest expander is difficult to slide the aversion during the training, and stability is better.

Preferably, the both sides of movable rod all are provided with the guide block, the inside both sides of outside handle all are provided with the guide way, carry on spacingly and the direction to the movable rod.

Preferably, the both sides of installation piece are all seted up flutedly, and the inside of recess evenly is provided with the card pearl through second reset spring, the both sides of the fixed cover of first fixed cover and second all are provided with the preformed hole, the card pearl all extends to the outside of preformed hole, does benefit to and tears open when the damage appears in the latex tube and trades, does benefit to the long-term use of this chest expander.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this body-building chest expander is through installing first fixed cover, the fixed cover of second, pedal portion, outside handle, the emulsion tube, adsorption structure, first reset spring, preformed groove and absorption piece, make when using with the fixed cover of second and ground contact, press adsorption structure, make first reset spring compressed, and then the air evacuation below the piece that will adsorb, form vacuum state, make the fixed cover of second closely laminate with ground, later user foot steps on pedal portion, both hands stimulate outside handle, stretch the emulsion tube, and then train arm muscle, this chest expander is difficult to slide the aversion during the training, stability is better.

(2) This body-building chest expander is through installing the fixed block, control panel, force sensor, outside handle, inside handle, the movable rod, dead lever and stiff spring, make the user when stretching, force sensor can acquire the pulling force size in the training in real time, and give data transfer the controller in control panel, the output of controller and control panel display's input electric connection, do benefit to and show the motion data, do benefit to the user and look over, can improve the ageing and the flexibility that the motion detected, increase the interest of training, furthermore, through holding inside handle, can pull the stiff spring and stretch out and draw back, and then train the palm grip, satisfy different training demands.

(3) This body-building chest expander is through installing the installation piece, a groove, second reset spring, card pearl and preformed hole, make the installation piece at latex tube both ends all insert in first fixed cover and the fixed cover of second, the card pearl is pressed to the accessible when needing to be changed the latex tube, make card pearl compression second reset spring, make in its shrink advances the recess, later can with the fixed cover separation of installation piece and first fixed cover and second, and then dismantle the latex tube and change, do benefit to and tear open when damage appears in the latex tube and trade, do benefit to the long-term use of this chest expander.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the adsorption structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the external handle of the present invention;

fig. 4 is a schematic view of the partially enlarged cross-sectional structure of the present invention.

In the figure: 1. a pedal portion; 2. fixing belts; 3. a first fixing sleeve; 4. an external handle; 5. a fixed block; 6. a control panel; 7. an inner handle; 8. a latex tube; 9. a second fixing sleeve; 10. magnetic therapy sheets; 11. an adsorption structure; 12. a first return spring; 13. reserving a groove; 14. an adsorbing member; 15. fixing the rod; 16. a rigid spring; 17. a movable rod; 18. anti-skid projections; 19. clamping the beads; 20. reserving a hole; 21. a tension sensor; 22. mounting blocks; 23. a second return spring; 24. and (4) a groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments 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.

Referring to fig. 1-4, the present invention provides an embodiment: a body-building chest expander comprises a first fixing sleeve 3, an external handle 4, a latex tube 8 and a second fixing sleeve 9, wherein an adsorption structure 11 is arranged at the bottom end of the second fixing sleeve 9, a preformed groove 13 is arranged at the bottom end of the adsorption structure 11, and adsorption pieces 14 are uniformly arranged in the preformed groove 13 through a first reset spring 12;

when the chest expander is used, the second fixing sleeve 9 is in contact with the ground, the adsorption structure 11 is pressed, the first return spring 12 is compressed, air below the adsorption piece 14 is exhausted, a vacuum state is formed, the second fixing sleeve 9 is tightly attached to the ground, the chest expander is not easy to slide and shift during training, and the chest expander is good in stability;

both sides of the second fixing sleeve 9 are provided with pedal parts 1 through rollers, magnetic therapy pieces 10 are uniformly distributed on the pedal parts 1, fixing belts 2 are arranged above the pedal parts 1, a first fixing sleeve 3 is arranged above the second fixing sleeve 9, a latex tube 8 is uniformly arranged between the first fixing sleeve 3 and the second fixing sleeve 9, mounting blocks 22 are fixed at both ends of the latex tube 8, the mounting blocks 22 are respectively inserted into the first fixing sleeve 3 and the second fixing sleeve 9, grooves 24 are formed in both sides of the mounting blocks 22, clamping beads 19 are uniformly arranged in the grooves 24 through a second reset spring 23, both sides of the first fixing sleeve 3 and the second fixing sleeve 9 are provided with reserved holes 20, and the clamping beads 19 extend to the outside of the reserved holes 20;

when the latex tube 8 needs to be replaced, the clamping bead 19 can be pressed to enable the clamping bead 19 to compress the second return spring 23 to enable the second return spring to contract into the groove 24, then the mounting block 22 can be separated from the first fixing sleeve 3 and the second fixing sleeve 9, the latex tube 8 is further detached to be replaced, the replacement of the latex tube 8 when the latex tube 8 is damaged is facilitated, and the long-term use of the chest expander is facilitated;

the top end of one side of the first fixing sleeve 3 is provided with a tension sensor 21, the tension sensor 21 can acquire the tension in the training in real time and transmit data to a controller in the control panel 6, and the output end of the controller is electrically connected with the input end of a display of the control panel 6, so that the motion data can be displayed conveniently and can be checked conveniently by a user;

a fixed block 5 is fixed at the top end of the first fixed sleeve 3, a control panel 6 is embedded into one side of the fixed block 5, external handles 4 are arranged on two sides of the fixed block 5, anti-skid protrusions 18 are uniformly distributed on the top end inside the external handles 4, an internal handle 7 is arranged at the central position inside the external handle 4, movable rods 17 are arranged at the bottom ends of the internal handles 7, fixed rods 15 are fixed in the external handles 4 below the movable rods 17, and rigid springs 16 are uniformly arranged between the fixed rods 15 and the movable rods 17;

when the training device is used, the rigid spring 16 can be pulled to stretch by holding the inner handle 7 by hands, so that the palm grip strength is trained, and different training requirements are met;

guide blocks are arranged on two sides of the movable rod 17, guide grooves are arranged on two sides of the interior of the external handle 4, and the movable rod 17 is guided and limited;

the specific model specification of the tension sensor 21 needs to be determined by model selection calculation according to specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.

The working principle is as follows: when the device is used, the second fixing sleeve 9 is contacted with the ground, the adsorption structure 11 is pressed, the first reset spring 12 is compressed, air below the adsorption piece 14 is evacuated, a vacuum state is formed, the second fixing sleeve 9 is tightly attached to the ground, then the foot of a user steps on the pedal part 1, the magnetic therapy sheet 10 on the pedal part 1 is beneficial to carrying out magnetic therapy on foot acupuncture points to promote blood circulation, the external handle 4 is pulled upwards by two hands to stretch the latex tube 8 to train arm muscles, the chest expander is not easy to slide and shift during training, the stability is good, the tension sensor 21 can obtain the tension in the training in real time and transmit data to the controller in the control panel 6, the output end of the controller is electrically connected with the input end of the display of the control panel 6, the display of motion data is facilitated, the viewing of the user is facilitated, and the timeliness and the flexibility of motion detection can be improved, increase the interest of training, in addition, through holding inside handle 7, can pull rigid spring 16 and stretch out and draw back, and then train the palm grip, satisfy different training demands, in addition, accessible is pressed down card pearl 19 when latex tube 8 needs to be changed, make card pearl 19 compression second reset spring 23, make it shrink advance in the recess 24, later can be with the separation of installation piece 22 with first fixed cover 3 and the fixed cover 9 of second, and then dismantle latex tube 8 and change, do benefit to and tear open when latex tube 8 appears damaging and trade, do benefit to the long-term use of this chest expander.

Claims

1. A body-building chest expander is characterized by comprising a first fixing sleeve (3), an external handle (4), a latex tube (8) and a second fixing sleeve (9), wherein the bottom end of the second fixing sleeve (9) is provided with an adsorption structure (11), both sides of the second fixing sleeve (9) are provided with pedal parts (1) through rollers, magnetic therapy sheets (10) are uniformly distributed on the pedal parts (1), fixing belts (2) are arranged above the pedal parts (1), the first fixing sleeve (3) is arranged above the second fixing sleeve (9), the latex tube (8) is uniformly arranged between the first fixing sleeve (3) and the second fixing sleeve (9), the top end of one side of the first fixing sleeve (3) is provided with a tension sensor (21), the top end of the first fixing sleeve (3) is fixed with a fixing block (5), one side of the fixing block (5) is embedded with a control panel (6), and both sides of the fixed block (5) are provided with external handles (4), and the top ends inside the external handles (4) are uniformly distributed with anti-skid protrusions (18).

2. An exercise chest expander as claimed in claim 1 wherein: the handle is characterized in that an inner handle (7) is arranged at the central position inside the outer handle (4), a movable rod (17) is arranged at the bottom end of the inner handle (7), a fixed rod (15) is fixed in the outer handle (4) below the movable rod (17), and a rigid spring (16) is uniformly arranged between the fixed rod (15) and the movable rod (17).

3. An exercise chest expander as claimed in claim 1 wherein: and mounting blocks (22) are fixed at two ends of the latex tube (8), and the mounting blocks (22) are respectively inserted into the first fixing sleeve (3) and the second fixing sleeve (9).

4. An exercise chest expander as claimed in claim 1 wherein: the bottom of adsorption structure (11) is provided with reservation groove (13), and the inside in reservation groove (13) evenly is provided with through first reset spring (12) and adsorbs piece (14).

5. An exercise chest expander as claimed in claim 2 wherein: the both sides of movable rod (17) all are provided with the guide block, the inside both sides of outside handle (4) all are provided with the guide way.

6. An exercise chest expander as claimed in claim 3 wherein: recess (24) are all seted up to the both sides of installation piece (22), and the inside of recess (24) evenly is provided with card pearl (19) through second reset spring (23), the both sides of the fixed cover of first (3) and second (9) all are provided with preformed hole (20), card pearl (19) all extend to the outside of preformed hole (20).