CN214232616U

CN214232616U - Stretching device

Info

Publication number: CN214232616U
Application number: CN202022127355.0U
Authority: CN
Inventors: 牛智伟; 张蘅
Original assignee: Xinyang Vocational and Technical College
Current assignee: Xinyang Vocational and Technical College
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-09-21
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a stretcher, which comprises a bottom plate, a wire storage disc, a hand pull ring and a pedal plate; two fixing support legs are respectively bolted and fixed below two ends of the bottom plate, an upright post is bolted and fixed above the left end of the bottom plate, a wire storage disc is fixed above the left side of the upright post by welding, a three-port wire passage is arranged at the upper end of the wire storage disc, a single-port passage is arranged at the left end of the three-port wire passage and is embedded into the wire storage disc, a double-port wire passage is arranged at the right end of the three-port wire passage, two hand pull rings are respectively arranged at the right end of the double-port wire passage, a sliding chute is arranged at the right end inside the bottom plate, a fixing block is fixed on the right side wall of the sliding chute by welding, a spring is fixed on the left side of the fixing block b by embedding, a fixing block a is arranged on the left side of the spring, a concave sliding block is arranged on the left side of the fixing block a, the middle part of the concave sliding block is clamped in the sliding chute, a cushion is fixed on the right end of the cushion by welding, an L-shaped iron pipe, and a backrest is welded on the L-shaped iron pipe; this stretcher harmony is taken exercise, simple structure, convenient to use.

Description

Stretching device

Technical Field

The utility model relates to a sport equipment field, concretely relates to is a stretcher.

Background

In present big city, a lot of old man include some young people, need carry out some physical activities every day and take exercise the health, and the exercise of every day not only can take exercise the harmony of health, can also enrich daily life, keeps being in good state of health, and all can have some sports equipment of taking exercise in most district to supply a lot of old man to include some young people and take exercise of moving about, but these traditional sports equipment all are too single, can not carry out the exercise of harmony to the health.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stretcher possesses the tensile exercise, simple structure, the convenient to use's of carrying on arm and shank simultaneously advantage, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a stretcher comprises a bottom plate, a wire storage disc, a hand pull ring and a pedal plate; two fixing support legs are respectively fixed below two ends of the bottom plate through bolts, an upright post is fixed above the left end of the bottom plate through bolts, an wire storage disc is fixed above the left side of the upright post through welding, a three-port wire passage is arranged at the upper end of the wire storage disc, a single-port passage is arranged at the left end of the three-port wire passage, the single-port passage is embedded into the wire storage disc, a double-port wire passage is arranged at the right end of the three-port wire passage, two hand pull rings are respectively arranged at the right end of the double-port wire passage, a sliding groove is arranged at the right end inside the bottom plate, a fixing block is fixed on the right side wall of the sliding groove through welding, a spring is fixed on the left side of the fixing block b through embedding, a fixing block a is arranged on the left side of the spring, a fixing block a is embedded into a fixing block a, a concave sliding block is fixed with the middle part of the concave sliding block through welding, the middle part of the concave sliding block is blocked in the sliding groove, a cushion is fixed above the concave sliding block through bolts, an L-shaped iron pipe is fixed at the right end of the cushion through welding, a backrest is arranged at the upper end of the right side of the L-shaped iron pipe, and the L-shaped iron pipe is welded on the backrest.

Preferably, a rack is arranged at the bottom end of the sliding groove, a gear is arranged in the middle of the front surface of the concave sliding block, a bearing is welded in the center of the gear, an inner ring bolt of the bearing is fixed on the concave sliding block, and the gear is meshed with the rack.

Preferably, the front surface and the back surface of the left end of the bottom plate are both fixed with a pedal plate through bolts.

Preferably, the fixed axle is fixed through welded fastening in the inside central authorities of drum, the clockwork spring has been coiled to the fixed axle periphery, clockwork spring one end embedding fixed axle, the clockwork spring other end periphery is coiled there are two-layer tensile line, two-layer tensile line one end embedding clockwork spring, two-layer tensile line other end passes two hand power rings of embedding respectively in the middle of three mouthful of pipeline is inside.

Compared with the prior art, the beneficial effects of the utility model are as follows: this stretcher passes through the atress deformation and the reduction of clockwork spring, has realized the strength exercise of arm, and the atress deformation through the spring has realized the tensile exercise to shank strength, and makes clockwork spring and spring carry out deformation reduction simultaneously, has realized the exercise of harmony to simple structure, pulling hand power ring and pedal are exercise, convenient operation promptly.

Drawings

Fig. 1 is a schematic view of the overall structure of a stretcher according to the present invention;

fig. 2 is an overall cross-sectional view of a stretcher according to the present invention;

fig. 3 is the schematic cross-sectional view of the wire storage coil of the stretcher of the present invention.

The figures are labeled as follows: the device comprises a base plate 1, a wire storage disc 2, a three-port passage 3, a hand pull ring 4, a backrest 5, a cushion 6, a fixing block a7, a concave sliding block 9, a gear 11, a rack 12, a spring 13, a support leg 14, a pedal 15, a stretching wire 16, a clockwork spring 18, a fixing shaft 19, a fixing block b20 and a stand column 21.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a stretcher includes a base plate 1, a wire storage tray 2, a hand-pulling ring 4 and a pedal plate 15; two fixing support legs 14 are respectively fixed below two ends of a bottom plate 1 through bolts, an upright post 21 is fixed above the left end of the bottom plate 1 through bolts, a wire storage disc 2 is fixed above the left end of the upright post 21 through welding, a three-port wire passage 3 is arranged at the upper end of the wire storage disc 2, a single-port passage is arranged at the left end of the three-port wire passage 3 and is embedded into the wire storage disc 2, a double-port wire passage is arranged at the right end of the three-port wire passage 3, two hand pull rings 4 are respectively arranged at the right end of the double-port wire passage, a fixed shaft 19 is fixed in the center of the inside of the wire storage disc 2 through welding, a clockwork spring 18 is coiled at the periphery of the fixed shaft 19, one end of the clockwork spring 18 is embedded into the fixed shaft 19, two layers of tensile wires 16 are coiled at the other end of the clockwork spring 18, one end of the two layers of tensile wires 16 is embedded into the fixed block 18, the other end of the two layers of tensile wires passes through the middle of the inside of the three-port wire passage 3 and is respectively embedded into the two hand rings 4, a sliding groove is arranged at the right end of the bottom plate 1, a sliding groove is fixed block 20 fixed at the right side wall of the sliding groove through welding, fixed block b20 left side is fixed with spring 13 through inlaying, spring 13 left side is equipped with fixed block a7, spring 13 left end embedding fixed block a7, fixed block a7 left side is equipped with concave slider 9, fixed block a7 passes through welded fastening with concave slider 9 middle part, concave slider 9 middle part card is in the spout, the spout bottom is equipped with rack 12, the preceding middle part of concave slider 9 is equipped with gear 11, the central welding of gear 11 is by the bearing, bearing inner ring bolt fastening is on concave slider 9, gear 11 and rack 12 mesh, there is cushion 6 concave slider 9 top through the bolt fastening, there is L type iron pipe cushion 6 right-hand member through welded fastening, L type iron pipe right side upper end is equipped with back 5, L type iron pipe welded back 5, bottom plate 1 left end front and the back all have running-board 15 through the bolt fastening.

The working principle is as follows: the stretcher is simple in structure and convenient to operate, arms and legs of people can be trained, people can experience more comfortably during exercise, when the people take exercise, firstly a cushion 6 is seated, the back is in contact with a backrest 5, feet step on a pedal plate 15, two hands hold a hand pull ring 4 to pull rightwards, the hand pull ring 4 moves rightwards through the pulling force of the two hands, one end of a pull wire 16 is forced rightwards, the pull wire 16 in a wire storage disc 2 is tightened to drive a clockwork spring 18 to be tightened, one end of the clockwork spring 18 is fixed on a fixed shaft 19, the other end of the clockwork spring is gradually tightened under the force, when deformation occurs, the clockwork spring 18 has the reducing capacity, opposite force can be generated and is transmitted to the hands of the people taking exercise, certain resistance is formed, exercise with certain strength is achieved, the arms move rightwards, the body also moves rightwards, the harmony of the body can be achieved, and the legs pedal plate 15 with force, force is transmitted to the back, the back rest 5 drives the concave sliding block 9 to move rightwards, the gear 11 and the rack 12 are in meshed motion, the concave sliding block 9 moves smoothly, the spring 13 at the right end is shortened when the concave sliding block 9 moves, resistance from the spring 13 is received while the length is shortened, certain strength exercise is performed on legs, coordination of the whole body to the right is achieved, arms and legs are simultaneously performed, stable exercise is performed on the arms and the legs, when the body is stable and moves forwards, stable speed when the stretching line 16 contracts is kept, the clockwork spring 18 performs stable reduction, resistance on the arms is gradually reduced to zero, meanwhile, stable reducing force is performed on the legs, the spring 13 is kept to extend and reduce stably, resistance on the legs is gradually reduced to zero, one-time coordinated exercise is completed, reciprocating coordinated exercise is performed on the body, after the exercise is finished, resistance transmitted from the hand pull ring 4 and resistance on the legs are kept to be zero, the stretcher is in a static state, and the body is separated from the cushion 6.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stretcher, includes bottom plate (1), wire storage coil (2), hand power ring (4) and running-board (15), its characterized in that: two fixing support legs (14) are respectively fixed below two ends of the bottom plate (1) through bolts, a stand column (21) is fixed above the left end of the bottom plate (1) through bolts, a wire storage disc (2) is fixed above the left end of the stand column (21) through welding, a three-port wire passage (3) is arranged at the upper end of the wire storage disc (2), the left end of the three-port wire passage (3) is a single-port passage, the single-port passage is embedded into the wire storage disc (2), the right end of the three-port wire passage (3) is a double-port wire passage, two hand pull rings (4) are respectively arranged at the right end of the double-port wire passage, a chute is arranged at the right end inside the bottom plate (1), a fixed block b (20) is fixed on the right side wall of the chute through welding, a spring (13) is fixed on the left side of the fixed block b (20) through embedding, a fixed block a (7) is arranged on the left side of the spring (13), and a fixed block a (7) is embedded into the left end of the spring (13), fixed block a (7) left side is equipped with concave type slider (9), fixed block a (7) and concave type slider (9) middle part are through welded fastening, concave type slider (9) middle part card is in the spout, there is cushion (6) concave type slider (9) top through the bolt fastening, there is L type iron pipe cushion (6) right-hand member through welded fastening, iron pipe right side upper end is equipped with back (5), L type iron pipe welding back (5).

2. A stretcher as claimed in claim 1, characterized in that: the sliding groove is characterized in that a rack (12) is arranged at the bottom end of the sliding groove, a gear (11) is arranged in the middle of the front surface of the concave sliding block (9), a bearing is welded at the center of the gear (11), and the gear (11) is meshed with the rack (12).

3. A stretcher as claimed in claim 1, characterized in that: the front and the back of the left end of the bottom plate (1) are both fixed with a pedal (15) through bolts.

4. A stretcher as claimed in claim 1, characterized in that: the inside central authorities of drum (2) have fixed axle (19) through welded fastening, fixed axle (19) periphery is coiled clockwork spring (18), clockwork spring (18) one end embedding fixed axle (19), clockwork spring (18) other end periphery is coiled there are two-layer tensile line (16), two-layer tensile line (16) one end embedding clockwork spring (18), two-layer tensile line (16) other end pass three mouthful of wire way (3) inside middle two hand power ring (4) of imbedding respectively.