CN2675181Y

CN2675181Y - Thorax expanding apparatus

Info

Publication number: CN2675181Y
Application number: CN 03224933
Authority: CN
Inventors: 廖学湖
Original assignee: Xinlong Industry Shenzhen Co L
Current assignee: Xinlong Industry Shenzhen Co L
Priority date: 2003-04-02
Filing date: 2003-04-02
Publication date: 2005-02-02
Anticipated expiration: 2013-04-02

Abstract

The utility model relates to a thorax expanding apparatus, comprising a springing device (200), a left gripping pipe (120) and a right gripping pipe (120). The connection ends (121) of the left and right gripping pipes (120) are fixed to the left and the right sides of the springing device (200), forming the main body of the thorax expanding apparatus. The utility model is characterized in that the left section of the left gripping pipe (120) and the right section of the right gripping pipe (120) are bent in the same direction with a small angle, and the end (122) of the left gripping pipe is inflected in the reverse direction, forming a grasping-handle for preventing the hand from slipping; the handle sleeve (130) is sheathed on the left gripping pipe and the right gripping pipe. The thorax expanding apparatus can avoid loosing and doing harm to human body, enhance the application of force effect of handing, and realize the tunableness of the expanding strength while using the adjustable springing device.

Description

Chest expander

Technical field

The utility model relates to a kind of fitness equipment, relates in particular to a kind of chest expander.

Background technology

At present, the chest expander of prior art is fixedly connected with the handle pipe of band grip respectively as shown in Figure 1 at the two ends of spring.In use, the both hands grip application of force of holding with a firm grip makes the camber of spring bending, thereby reaches the purpose of body-building chest expanding.But when such chest expander arrived to a certain degree in the both hands application of force, both hands got loose easily, and spring restoring force when resetting is very big, easily human body were damaged, and it is dull stiff that its shape also seems, can't satisfy the requirement of people's vision.And and spring also can be out of shape for a long time service time, the fracture, the intensity of spring also can't be regulated.

The utility model content

The purpose of this utility model provides a kind of being difficult in use and gets loose, and can increase hand and grip application of force effect, more meets the chest expander of the improvement handle structure of human body merit.

Another purpose of the present utility model provides that a kind of permanent use is not yielding, fracture and the adjustable chest expander of intensity.

In order to achieve the above object, the utility model has adopted following technical scheme:

A kind of chest expander, form by elastic device and left and right handle pipe, the link of left and right handle pipe is fixedly connected on the main body of the left and right sides composition chest expander of elastic device, the right section low-angle of the left side section of left side handle pipe and right handle pipe bends in the same way, and the reverse inflection of handle pipe tail end forms and prevents hand slippage lever; Grip puts on the left and right handle pipe.

The left end of described left handle pipe and right handle pipe right-hand member are respectively equipped with retainer ring, and on retainer ring bandage are set.

Described elastic device is a spring.

Described elastic device comprises that a left side is tube edge joint chair, right tube edge joint chair, contiguous block, rest pad, U type brace, the fixing solid seat of spring, spring and adjusting device; A left side is provided with through hole and countersunk head through hole to the tube edge seat, and an end of left contiguous block flexibly connects the tube edge seat by a countersunk head through hole and a left side, and the left end of the other end and rest pad flexibly connects; The right side is provided with through hole and through hole to the tube edge joint chair, and an end of right contiguous block flexibly connects the tube edge seat with right by through hole, and the right-hand member of the other end and rest pad flexibly connects; A left side flexibly connects tube edge seat and U type brace tube edge seat, the right side to the through hole on the tube edge seat, the right side to the cross through hole on through hole on the tube edge seat and the U type brace by a left side; Screw passes the hole on the rest pad, the axis of vertical through holes, the through hole on the spring fixed seat and spring on the U type brace is connected with adjusting device.

Described adjusting device comprises that end face is provided with the regulating sleeve and the regulating block of square groove; The below of regulating block is provided with a projection that is complementary with square groove (341), matches with screw in the projection below.

Regulating block difficult drop-off when regulating in order to make, described screw two ends are equipped with the head of a nail.

A described left side is respectively equipped with corresponding crashproof plug to the tube edge seat and the right side to the tube edge seat.

A described left side between tube edge seat and the left contiguous block, the right side between tube edge seat and the right contiguous block, between rest pad and the left and right sides contiguous block all by screw and sleeve pipe flexible connection; Also be provided with in the groove of U type brace and be connected and fixed axle, the vertical through holes on the U type brace is corresponding with vertical through holes, and its cross through hole is corresponding with cross through hole; A left side is a tube edge seat, right tube edge seat, U type contiguous block be connected and fixed spool by screw and sleeve pipe flexible connection.

Described elastic device is provided with a shell.Described bandage is an integral body, and the one end is fixed on the retainer ring of left handle pipe end, and near the hole that the other end passes left handle pipe, elastic device and the right handle pipe of the right handle Guan Bingcong lever by near the hole the lever passes, and is connected with retainer ring at last.

Owing to adopted said structure, chest expander of the present utility model both hands in use is difficult for getting loose, and can not injure human body.And, also adopted and can regulate elastic device, make spring flexible in its elastic force direction, not yielding or fracture, people can also satisfy people's multiple needs according to the intensity of exercise intensity regulating spring.

Description of drawings

Fig. 1 is the chest expander structural representation of prior art;

Fig. 2 is a structural representation of the present utility model;

Fig. 3 is user mode figure of the present utility model;

Fig. 4 is the structure expanded view of first kind of embodiment of the utility model;

Fig. 5 is the structure expanded view of second kind of embodiment of the utility model;

Fig. 6 is the structural representation of the third embodiment of the present utility model.

Among the figure, 110, shell; 120, handle hand; 121, link; 122, handle pipe tail end; 130, grip; 140, retainer ring; 150, bandage; 160, pipe tail plug; 200, elastic device; 210, a left side is the tube edge joint chair; 211, through hole; 212, countersunk head through hole; 213, countersunk head through hole; 220, right the tube edge joint chair; 221, through hole; 222, through hole; 223, countersunk head through hole; 230, crashproof plug; 240, screw; 250, packing ring; 260, sleeve pipe; 270, rest pad; 271, through hole; 272, through hole; 273, through hole; 280, contiguous block; 281, through hole; 282, through hole; 290, be connected and fixed axle; 291, vertical through holes; 292, cross through hole; 310, U type brace; 311, vertical through holes; 312, cross through hole; 320, spring fixed seat; 330, spring; 340, regulating sleeve; 341, square groove; 350, regulating block; 351, projection; 352, groove.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Shown in Fig. 2 to 6, a kind of chest expander is made up of elastic device 200 and left and right handle pipe 120, and the link 121 of left and right handle pipe 120 is fixedly connected on the main body of the left and right sides composition chest expander of elastic device 200.The right section low-angle of the left side section of left side handle pipe 120 and right handle pipe 120 bends in the same way, and left handle pipe tail end 122 reverse inflection form and prevent hand slippage lever; Grip 130 puts on the left and right handle pipe 120.The left end 120 and right handle pipe 120 right-hand members of left side handle pipe are respectively equipped with retainer ring 140, and on retainer ring 140 bandage 150 are set.On the port of handle pipe tail end, also be provided with pipe tail plug 160.

Fig. 2 (a) and (b) and Fig. 3 (a), Figure 4 shows that first kind of embodiment of the present utility model, its elastic device 200 is a spring.This embodiment uses chest expander in use to be difficult for getting loose owing to improved the structure of handle pipe, can not constitute any injury to human body, also can strengthen hand-held application of force effect simultaneously, and is handsome in appearance.

Fig. 2 (c), Fig. 3 (b) and Fig. 5 are second kind of embodiment of the present utility model, and its elastic device 200 comprises that a left side is tube edge joint chair 210, right tube edge joint chair 220, contiguous block 280, rest pad 270, U type brace 310, the fixing solid seat 320 of spring, spring 330 and adjusting device; A left side is provided with through hole 211 and countersunk head through hole 212 to tube edge seat 210, and an end of left contiguous block 280 flexibly connects tube edge seat 210 by a countersunk head through hole 212 and a left side, and the left end of the other end and rest pad 270 flexibly connects; The right side is provided with through hole 221 and through hole 222 to tube edge joint chair 220, and an end of right contiguous block 280 flexibly connects tube edge seat 220 with right by through hole 222, the right-hand member flexible connection of the other end and rest pad 270; A left side flexibly connects tube edge seat 220 and U type brace 310 tube edge seat 210, the right side to the through hole on the tube edge seat 210 211, the right side to the cross through hole on through hole on the tube edge seat 220 221 and the U type brace 310 312 by a left side; The axis that screw 240 passes hole 273, the vertical through holes 311 on the U type brace 310, the through hole on the spring fixed seat 320 and spring 330 on the rest pad 270 is connected with adjusting device.Adjusting device comprises that end face is provided with the regulating sleeve 340 and the regulating block 350 of square groove 341; The below of regulating block 350 is provided with a projection 351 that is complementary with square groove 341, and the lower end of projection 351 and screw 240 are complementary; Projection 350 is provided with groove 352, is used for the last head of a nail of ccontaining screw 240.For safety and attractive in appearance, return at this elastic device 200 and add a shell.

Strong collision when preventing that the left side from resetting tube edge seat 210 and the right side to tube edge seat 220 is provided with crashproof plug 230 respectively on its corresponding position.

Safer, flexible in order to use elastic device to use, between a left side is tube edge seat 210 and left contiguous block 280, the right side tube edge seat 220 and right contiguous block 280 between, between rest pad 270 and the left and right sides contiguous block 280 all by screw 240 and sleeve pipe 260 flexible connections; Also be provided with in the groove of U type brace 310 and be connected and fixed axle 290, the vertical through holes 291 on the U type brace 290 is corresponding with vertical through holes 311, and its cross through hole 292 is corresponding with cross through hole 312; A left side is tube edge seat 210, right tube edge seat 220, U type contiguous block 310 be connected and fixed axle 290 and pass through screw 240 and sleeve pipe 260 flexible connections.The chest expander of this utility model has not only possessed the effect of first kind of embodiment, has realized that also chest expander intensity is adjustable, and uses spring flexible on the elastic force direction, guarantees that spring is not yielding, fracture.

Fig. 6 is the third embodiment of the present utility model, its bandage 150 is an integral body, one end is fixed on the retainer ring 140 of left handle pipe 120 terminations, the other end passes left handle pipe 120, elastic device 200 and right handle pipe 120 by near the hole the lever and passes near the hole right handle pipe 120 levers, is connected with retainer ring 140 at last.This embodiment is replenishing of first kind of embodiment, because bandage is an integral body, to the chest expander application of force time, chest expander bending, bandage are tightened up automatically and tightly fasten palm, make hand be difficult for getting loose.

Claims

1, a kind of chest expander, form by elastic device (200) and left and right handle pipe (120), the link (121) of left and right handle pipe (120) is fixedly connected on the main body of the left and right sides composition chest expander of elastic device (200), it is characterized in that: the right section low-angle of the left side section of left handle pipe (120) and right handle pipe (120) bends in the same way, and the reverse inflection of left handle pipe tail end (122) forms and prevents hand slippage lever; Grip (130) puts on the left and right handle pipe (120).

2, chest expander according to claim 1 is characterized in that the left end (120) of described left handle pipe and right handle pipe (120) right-hand member are respectively equipped with retainer ring (140), and on retainer ring (140) bandage (150) is set.

3, chest expander according to claim 1 is characterized in that described elastic device (200) is a spring.

4, chest expander according to claim 1 is characterized in that described elastic device (200) comprises that a left side is tube edge joint chair (210), right tube edge joint chair (220), contiguous block (280), rest pad (270), U type brace (310), the fixing solid seat of spring (320), spring (330) and adjusting device; A left side is provided with through hole (211) and countersunk head through hole (212) to tube edge seat (210), and an end of left contiguous block (280) flexibly connects tube edge seat (210) by a countersunk head through hole (212) and a left side, and the left end of the other end and rest pad (270) flexibly connects; The right side is provided with through hole (221) and through hole (222) to tube edge joint chair (220), and an end of right contiguous block (280) flexibly connects tube edge seat (220) with right by through hole (222), the right-hand member flexible connection of the other end and rest pad (270); A left side flexibly connects tube edge seat (220) and U type brace (310) tube edge seat (210), the right side to the through hole (211) on the tube edge seat (210), the right side to through hole (221) on the tube edge seat (220) and the cross through hole (312) on the U type brace (310) by a left side; The axis that spiral shell (240) passes hole (273), the vertical through holes (311) on the U type brace (310), the through hole on the spring fixed seat (320) and spring (330) on the rest pad (270) is connected with adjusting device.

5, chest expander according to claim 4 is characterized in that described adjusting device comprises that end face is provided with regulating sleeve of square groove (341) (340) and regulating block (350); The below of regulating block (350) is provided with a projection (351) that is complementary with square groove (341), matches with screw (240) in the projection below.

6, chest expander according to claim 5 is characterized in that described screw (240) two ends are equipped with the head of a nail.

7, chest expander according to claim 4 is characterized in that a described left side is respectively equipped with corresponding crashproof plug (230) to the tube edge seat (210) and the right side to tube edge seat (220).

8, chest expander according to claim 4, it is characterized in that a described left side between tube edge seat (210) and the left contiguous block (280), the right side between tube edge seat (220) and the right contiguous block (280), between rest pad (270) and the left and right sides contiguous block (280) all by screw (240) and sleeve pipe (260) flexible connection; Also be provided with in the groove of U type brace (310) and be connected and fixed axle (290), the vertical through holes (291) on the U type brace (290) is corresponding with vertical through holes (311), and its cross through hole (292) is corresponding with cross through hole (312); A left side is a tube edge seat (210), right tube edge seat (220), U type contiguous block (310) be connected and fixed spool (290) and pass through screw (240) and sleeve pipe (260) flexible connection.

9,, it is characterized in that described elastic device is provided with a shell according to the described chest expander of claim 4 to 7.

10,3 described chest expanders as requested, it is characterized in that described bandage (150) is an integral body, the one end is fixed on the retainer ring (140) of left handle pipe (120) termination, the other end passes left handle pipe (120), elastic device (200) and right handle pipe (120) by near the hole the lever and passes near the hole right handle pipe (120) lever, is connected with retainer ring (140) at last.