CN217661346U

CN217661346U - Chest developer with tension adjusting structure for child body building

Info

Publication number: CN217661346U
Application number: CN202220270803.9U
Authority: CN
Inventors: 徐毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-10-28
Anticipated expiration: 2032-02-10

Abstract

The utility model relates to a body-building apparatus technical field specifically is a children's body-building is with chest expander that has tension regulation structure, which comprises a frame, the cabin has been seted up to the inside of frame, the inside movable mounting in left side of frame has the dwang, and the top fixed mounting who rotates the cover has the knob, the bottom of rotating the cover is connected with the lead screw, and the lower extreme fixedly connected with connecting block of lead screw, the lower extreme fixedly connected with spring of connecting block, and the lower extreme fixedly connected with pull rod of spring, the lower extreme of pull rod is connected with the pull ring through the stay cord. The utility model discloses a be provided with the carousel, rotatable carousel can drive the dwang rotation through mutually supporting between first conical gear and the second conical gear, connects through the belt between two sets of even dwangs, and two sets of lagging are the vertical motion under the surperficial screw thread form effect of dwang to change the height of device, and then make things convenient for the children of different heights to carry out body-building, improve the practicality of device.

Description

Chest expander with tension adjusting structure for child body building

Technical Field

The utility model relates to a body-building apparatus technical field specifically is a children's body-building is with chest expander that has tension and adjust structure.

Background

At present, with the development of society and the progress of mankind, more and more receive people's attention to the healthy growth of training the next generation, children's immunity is relatively poor, consequently need regularly take exercise, improve self immunity with this, the equipment of taking exercise to children's limbs on the market at present has a lot, including the chest expander, the chest expander is the equipment of taking exercise to children's arm strength, however, current chest expander still has some deficiencies, firstly, the mounting structure of current chest expander mostly is invariable difficult to adjust, because children self grow up very fast, can not be used for children of different heights to take exercise, thereby the suitability of device has been reduced, on the other hand, the pulling force of chest expander can not be adjusted, this just leads to can not adjusting according to children's actual strength, and also reduced the interest of device, for this reason we propose a children body-building with the chest expander equipment that has tension to adjust the structure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children's body-building is with chest expander that has tension regulation structure to solve the current chest expander mounting structure that provides in the above-mentioned background art and fixed be difficult to adjust and the pulling force can't be adjusted, the lower problem of suitability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a children's body-building is with chest expander that has tension regulation structure, includes the frame, the cabin has been seted up to the inside of frame, the inside movable mounting in left side of frame has the dwang, and the outside fixed mounting of dwang has first conical gear, the side meshing of first conical gear has second conical gear, and second conical gear passes through connecting axle fixedly connected with carousel, the last pot head of dwang is established there is the lagging, and the top of lagging installs the pulling force frame through the mount, the top movable mounting of pulling force frame has the rotating sleeve, and the top fixed mounting who rotates the sleeve has the knob, the bottom that rotates the sleeve is connected with the lead screw, and the lower extreme fixedly connected with connecting block of lead screw, the lower extreme fixedly connected with spring of connecting block, and the lower extreme fixedly connected with pull rod of spring, the lower extreme of pull rod is connected with the pull ring through the stay cord.

Preferably, the top end of the frame is provided with a through groove matched with the sleeve plate, and the frame is in sliding connection with the sleeve plate.

Preferably, the dwang is provided with two sets of, two sets of connect through the belt between the dwang.

Preferably, the surface of dwang is seted up threadedly, the thread groove with dwang surface screw thread looks adaptation is seted up to the inner wall of lagging, be connected for rotating between dwang and the lagging.

Preferably, the side surface of the rotating sleeve is fixedly provided with a limiting ring, and the rotating sleeve is rotatably connected with the tension frame.

Preferably, the equal fixedly connected with slider of side around the connecting block, the slide with slider looks adaptation is seted up to the inside of pulling force frame, and is two sets of the equal activity of slider is embedded in the slide of pulling force frame.

Preferably, the bottom end of the pull rod is provided with a limiting block.

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

(1) The utility model is provided with the rotary disc, the connecting shaft, the rotating rods and the sleeve plates, the rotating disc can be rotated by arranging the rotary disc and the rotating disc, the rotating rods can be driven to rotate by the mutual matching between the first bevel gear and the second bevel gear, the two groups of rotating rods are connected by the belt, and the two groups of sleeve plates vertically move under the surface thread-shaped effect of the rotating rods, so that the height of the device is changed, and then children with different heights can conveniently exercise, and the practicability of the device is improved;

(2) The utility model discloses be provided with knob, rotating sleeve, lead screw, spring, through being provided with the knob, rotatable knob drives and rotates the cover and rotate, and the lead screw goes up and down under the surface screw thread effect of rotating the cover, changes the tensile length of spring to change the pulling force, and two sets of pulling force frames can be adjusted the pulling force alone, thereby the convenience is adjusted the pulling force.

Description of the drawings:

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

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic top sectional view of the tension frame structure of the present invention;

fig. 5 is a schematic side view of the structure of the present invention.

In the figure: 1. a frame; 2. rotating the rod; 3. a first bevel gear; 4. a second bevel gear; 5. a connecting shaft; 6. a turntable; 7. sheathing; 8. a fixed mount; 9. a tension frame; 10. rotating the sleeve; 11. a limiting ring; 12. a knob; 13. a screw rod; 14. connecting blocks; 15. a slider; 16. a spring; 17. a pull rod; 18. pulling a rope; 19. and (4) a pull ring.

The specific implementation mode is as follows:

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a children body-building chest expander with a tension adjusting structure comprises a frame 1, a cabin is arranged inside the frame 1, rotating rods 2 are movably arranged inside the left side of the frame 1, the rotating rods 2 are provided with two groups, the two groups of rotating rods 2 are connected through a belt, a first bevel gear 3 is fixedly arranged outside the rotating rods 2, a second bevel gear 4 is meshed on the side surface of the first bevel gear 3, the second bevel gear 4 is fixedly connected with a turntable 6 through a connecting shaft 5, the upper end sleeve of the rotating rods 2 is sleeved with a sleeve plate 7, the surface of the rotating rods 2 is provided with threads, the inner wall of the sleeve plate 7 is provided with thread grooves matched with the surface threads of the rotating rods 2, the rotating rods 2 are rotatably connected with the sleeve plate 7, the top end of the frame 1 is provided with a through groove matched with the sleeve plate 7, the frame 1 is slidably connected with the sleeve plate 7, the top end of the sleeve plate 7 is provided with a tension frame 9 through a fixing frame 8, the rotating rods 6 are arranged on the rotatable turntable 6, the first bevel gear 3 is matched with the sleeve plate 4 to drive the rotating rods 2 to rotate, the two groups of the rotating rods 2 are connected through sliding connections, the two groups of the sleeve plate 7 are connected through the belt, the threads, the surface of the rotating rods 2, and the second bevel gear 7, so as to facilitate the height of children to change under the vertical movement of the children, and the children body-building device is not convenient to change;

the top movable mounting of pulling force frame 9 has rotating sleeve 10, the side fixed mounting who rotates sleeve 10 has spacing ring 11, be connected for rotating between rotating sleeve 10 and the pulling force frame 9, and the top fixed mounting who rotates sleeve 10 has knob 12, the bottom of rotating sleeve 10 is connected with lead screw 13, and the lower extreme fixedly connected with connecting block 14 of lead screw 13, the equal fixedly connected with slider 15 of front and back side of connecting block 14, the slide with slider 15 looks adaptation is seted up to the inside of pulling force frame 9, two sets of sliders 15 all activity is embedded in the slide of pulling force frame 9, the lower extreme fixedly connected with spring 16 of connecting block 14, and the lower extreme fixedly connected with pull rod 17 of spring 16, the stopper is installed to the bottom of pull rod 17, the lower extreme of pull rod 17 is connected with pull ring 19 through stay cord 18, through being provided with knob 12, rotatable knob 12 drives rotating sleeve 10 and rotates, lead screw 13 goes up and down under the effect of the surface screw thread that rotates sleeve 10, change the tensile length of spring 16, thereby change the pulling force, and two sets of pulling force frame 9 can adjust the pulling force alone, thereby conveniently adjust the pulling force.

The working principle is as follows: when the device is used, rotatable carousel 6, drive dwang 2 through mutually supporting between first conical gear 3 and the second conical gear 4 and rotate, connect through the belt between two sets of dwang 2, two sets of lagging 7 go up and down under dwang 2 surperficial screw thread effects, thereby highly adjusting pull ring 19, and then make things convenient for the children of different heights to take exercise, the upper end at lagging 7 is installed to two sets of pulling force frame 9, rotatable knob 12 drives and rotates cover 10 and rotates, spacing ring 11 card is at the spacing inslot of pulling force frame 9, thereby it is spacing with it, lead screw 13 goes up and down under the effect of rotating cover 10 inner wall thread grooves, thereby adjust spring 16's tensile degree, adjust the pulling force with this, it is above that the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A chest expander with a tension adjusting structure for children fitness comprises a frame (1), and is characterized in that: the cabin has been seted up to the inside of frame (1), the inside movable mounting in left side of frame (1) has dwang (2), and the outside fixed mounting of dwang (2) has first conical gear (3), the side meshing of first conical gear (3) has second conical gear (4), and second conical gear (4) through connecting axle (5) fixedly connected with carousel (6), the last pot head of dwang (2) is established there is lagging (7), and the top of lagging (7) installs traction frame (9) through mount (8), the top movable mounting of traction frame (9) has rotation cover (10), and the top fixed mounting who rotates cover (10) has knob (12), the bottom of rotating cover (10) is connected with lead screw (13), and the lower extreme fixedly connected with connecting block (14) of lead screw (13), the lower extreme fixedly connected with spring (16) of connecting block (14), and the lower extreme fixedly connected with pull rod (17) of spring (16), the lower extreme of pull rod (17) passes through stay cord (18) and is connected with pull ring (19).

2. The chest expander with tension adjusting structure for children's exercise according to claim 1, wherein: the top end of the frame (1) is provided with a through groove matched with the sleeve plate (7), and the frame (1) is connected with the sleeve plate (7) in a sliding manner.

3. The chest expander with tension adjusting structure for children's exercise according to claim 1, wherein: dwang (2) are provided with two sets ofly, two sets of connect through the belt between dwang (2).

4. The chest expander with tension adjusting structure for children's exercise according to claim 1, wherein: the surface of dwang (2) is seted up threadedly, the thread groove with dwang (2) surface screw thread looks adaptation is seted up to the inner wall of lagging (7), be connected for rotating between dwang (2) and lagging (7).

5. The chest developer with tension adjusting structure for children's exercise according to claim 1, wherein: the side face of the rotating sleeve (10) is fixedly provided with a limiting ring (11), and the rotating sleeve (10) is rotatably connected with the tension frame (9).

6. The chest expander with tension adjusting structure for children's exercise according to claim 1, wherein: the equal fixedly connected with slider (15) of side around connecting block (14), the slide with slider (15) looks adaptation is seted up to the inside of pulling force frame (9), and is two sets of slider (15) equal activity is embedded in the slide of pulling force frame (9).

7. The chest expander with tension adjusting structure for children's exercise according to claim 1, wherein: and a limiting block is arranged at the bottom end of the pull rod (17).