CN2483042Y

CN2483042Y - Elasticity adjusting device for popo stick

Info

Publication number: CN2483042Y
Application number: CN 01231665
Authority: CN
Inventors: 洪万竹
Original assignee: JD Components Co Ltd
Current assignee: JD Components Co Ltd
Priority date: 2001-07-19
Filing date: 2001-07-19
Publication date: 2002-03-27
Anticipated expiration: 2011-07-19

Abstract

An elastic adjustment device of bouncing bar comprises a bearing cylinder, a rotary sleeve and a sleeve of top brake. A hole of axis is arranged on the axis core of the bearing cylinder for the bouncing bar crossing, a guide groove is provided on the surrounding surface of the bearing cylinder along the direction of axis. The rotary sleeve is provided in the bearing cylinder, an outer thread is arranged on the surrounding surface of the rotary, a perforation is provided on the bottom surface, the rotary sleeve is supplied for adjusting rotary ring, and a bolt is screwed on the rotary sleeve. An inner thread is arranged in the top brake sleeve to match with the outer thread of the rotary sleeve to make the top brake sleeve screw between the rotary sleeve and the bearing cylinder, a bolt is arranged by crossing the guide of a bearing hole, and is fastened by locking on the top brake sleeve to make the top brake sleeve still. So the operator can adjust bouncing routine of the bouncing bar according to operator's favorite.

Description

The elasticity adjusting device of bouncing pin

Technical field

The utility model is relevant with bouncing pin, is meant a kind of elasticity adjusting device of bouncing pin especially, the elastic force of the hobby adjustment operation that it can the person of being used.

Background technology

Press, existing a kind of bouncing pin 10 (as shown in Figure 1), it includes: leader's frame 11 be to have a bar portion 111, and the top of this bar portion 111 is located in a grip part 112; One assembly 12 of quivering is bar portion 111 lower ends of being located at 11 of this handles, and it has the spring 121 of predetermined number; One operating bar 15 is to be located among this assembly 12 of quivering; One pedal 17, it has two and steps on portion, is the both sides, upper end of being located at this assembly 12 of quivering respectively; Thus, when the user holds this handle rack 11, during foot-operated this pedal 17, promptly available self body weight is oppressed the spring 121 of this assembly 12 of quivering, and makes to produce elastic force and then carry out the start of jumping.

Only, general outdoor activity equipment at present all has adjustable structure and changes with the plurality of specifications that different hobbies are provided for adapting to the demand of the different hobbies of various consumers; And the size of its bounce-back power of the elastic force of this bouncing pin 10, be to be directly proportional with user's body weight, but the elastic force of its hobby spring of people that body weight is identical is not quite similar, therefore the user is when this bouncing pin of operation, can't adjust structure via one according to the hobby of oneself obtains, cause if think further to enjoy the bounce-back power of own required jump, may just must change the spring of this bouncing pin 10, these springs are changed a suitable line footpath can be reached, but the power of these springs bounce-back that collinear footpath did not produce is wayward, and the process that changes the outfit trouble is complicated, therefore lacks convenience in using to go up; Simultaneously, this bouncing pin 10 is easily because of under the effect of arbitrarily repeatedly changing, and the structure that whole each position is connected produces loosening, the security on influence is used.

Summary of the invention

Because above-mentioned shortcoming, main purpose of the present utility model is promptly providing a kind of elasticity adjusting device of bouncing pin, and it can adjust the strength that the bouncing pin spring is replied according to user's hobby, to change the spring stroke of bouncing pin.

Another purpose of the present utility model is promptly providing a kind of elasticity adjusting device of bouncing pin, and the member of its structure is simple and start is definitely effective.

Edge is for reaching the elasticity adjusting device of a kind of bouncing pin of aforesaid purpose the utility model, is to be installed on spring one side of a bouncing pin, and this bouncing pin includes leader's frame; One quivers, and to include an outer tube be to be located at this handle rack lower end to assembly, can be installed with the spring of predetermined quantity in its pipe; One operating bar is located at the lower end of this assembly of quivering; One tramples frame has the both sides that two pedals are located at this assembly of quivering respectively; And one elasticity adjusting device be located at this operating bar and this is quivered between the assembly, this adjusting device includes a bearing tube, its axle center is provided with an axis hole and can wears for this operating bar, and its periphery is provided with a threaded portion and can supplies to screw togather the bottom that is located in this outer tube, and in axially offering a guide groove that runs through; One turnbarrel, be to have an axis hole can wear and be installed in this bearing tube for this operating bar, its appearance periphery is provided with an external screw thread, and to be provided with a carrier be slightly to be revealed in this bearing seat in the bottom, this carrier be provided with a perforation be for one adjust change by a screw threaded in this turnbarrel; One pushes up the sleeve of pulling, be to be provided with an internal thread hole to cooperate the external screw thread of this turnbarrel, it is screwed together between this turnbarrel and this bearing tube, and be the guide groove that wears this bearing hole by a bolt, and the bolt-lock sleeve of pulling in this top makes it can not rotate, and its apical margin is the spring that holds this assembly of quivering of work; Thus, when this adjusts change when rotation, will drive this turnbarrel and rotate, and impel this top sleeve of pulling to advance to push pressure also or retreat the spring that holds this assembly of quivering, make the different spring stroke of this bouncing pin generation.

Wherein the carrier of this turnbarrel also is arranged with one again and adjusts change.

Wherein the external screw thread root edge of this turnbarrel also be provided with a projecting ring section can be in order to the bottom of clip in this bearing tube.

Wherein be provided with a protuberance in the axis hole bottom of this bearing tube, being the external diameter that is slightly larger than this turnbarrel compresses for the projecting ring section of this turnbarrel.

Wherein the pull top of sleeve, this top is to be formed with the withstanding part that without exception is the annulus moulding, is that the external diameter of this withstanding part is the internal diameter that is slightly less than this outer tube, and isometrical with the outer rim of this bearing tube in order to the pull spring of this assembly of quivering of top.

Description of drawings

In order to make the auditor more understand characteristics of the present utility model and effect, lift now be illustrated in next preferred embodiment and conjunction with figs. after, wherein:

Fig. 1 is the stereogram of existing bouncing pin;

Fig. 2 is the three-dimensional exploded view of the utility model one preferred embodiment;

Fig. 3 is the combination stereogram of the utility model one preferred embodiment;

Fig. 4 is the profile of the utility model one preferred embodiment;

Fig. 5 is the profile of Fig. 3 along the 5-5 direction, and shows that it tightens the state of start;

Fig. 6 is the profile of Fig. 3 along the 5-5 direction, and shows the state that it transfers pine.

The specific embodiment

See also Fig. 2 to shown in Figure 4, the elasticity adjusting device 30 of the bouncing pin of the utility model one preferred embodiment, be to be located on spring one side of a bouncing pin 20, this bouncing pin 20 includes leader's frame 21 and has a bar portion 211, and the top of this bar portion 211 is located in a grip part 212; One assembly 22 of quivering is located at bar portion 211 lower ends of this handle rack 21, and in an outer tube 23 it being placed in, can be installed with at least one spring 221 in it; One operating bar 25 is lower ends of being located at this assembly 22 of quivering; One tramples frame 26 has the both sides that two pedals are located at this assembly 22 of quivering respectively; And one elasticity adjusting device 30 be to be located at this operating bar 25 and this is quivered between the assembly 22, and be located within this

outer tube

23,30 of this adjusting devices include a bearing tube 50, a turnbarrel 60, the top sleeve 70 and of pulling and adjust change 80, wherein;

The axle center of this bearing tube 50 is provided with an axis hole 51 and wears for this operating bar 25, and the internal diameter of its axis hole 51 is slightly larger than the pull external diameter of sleeve 60 of this top, and is provided with a threaded portion 52 in side face, makes it to screw togather the bottom that is located in this outer tube 23; Being provided with radially a protuberance 53 in the axis hole 51 of this bearing tube 50 is the external diameters that are slightly larger than this turnbarrel 60, and pastes the lateral border that is butted on this turnbarrel 60, and the side face of this bearing tube 50 offers a guide groove 54 that axially runs through simultaneously.

This turnbarrel 60 has an axis hole 61, be to be sheathed on this operating bar 25 for this turnbarrel 60, and be installed in this bearing tube 50, and down extend its bottom, and to be provided with a carrier 64 be slightly to be revealed in this bearing tube 50 bottoms, this turnbarrel 60 is provided with an external screw thread 62 in the appearance periphery, and a projecting ring section 63 rough external screw thread 62 root edges of being located at this turnbarrel 60, the protuberance 53 that it can be pressed against this bearing tube 50 can not break away from this bearing tube 50 this turnbarrel 60 in landing.

Sleeve 70 its axle center of pulling, this top are provided with an internal thread hole 71, be can be in order to the external screw thread 62 that cooperates this turnbarrel 60, it is screwed together between this bearing tube 50 and this turnbarrel 60 (as shown in Figure 4), the pull apical margin of sleeve 70 of this top is to be formed with the withstanding part 72 that without exception is the annulus moulding, is the spring 221 of this assembly 22 of quivering in order to contact; This top sleeve 70 of pulling is provided with a through hole 73 in predetermined position, it is the guide groove 54 that is arranged in this bearing tube 50 for a pilot pin 74, and pull in this top through hole 73 of sleeve 70 of bolt-lock, it can make this top sleeve 70 of pulling can not rotate when start, and the excessive running of reason does not make this top sleeve 70 of pulling break away from these bearing tubes 50.

This adjustment change 80 is to be arranged in this operating bar 25 and to place this bearing tube 50 lower ends, and it is provided with carrier 64 side faces that a screw 81 could screw togather and be pressed against this turnbarrel 60 for a bolt 82, impels this change 80 to be combined as a whole with this turnbarrel 60.

See also shown in Figure 5, when the operator desires to make this bouncing pin 20 to reach required spring stroke, be that rotatable this adjustment change 80 drives this turnbarrel 60 row rotations, this moment this turnbarrel 60 the internal thread hole 71 of sleeve 70 start that will cooperatively interact of pulling of external screw thread 62 and this top, and this top sleeve 70 of pulling can not rotate because of the locking that is subjected to this pilot pin 74, and then make this turnbarrel 60 will impel pull sleeve 70 of this top to produce the driving of advancing to push away, make the pull withstanding part 72 of sleeve 70 of this top urge in the spring 221 of this assembly 22 of quivering; Thus, this assembly 22 of quivering will form a more urgent elastic force state, when this bouncing pin 20 of operator's trampling trample frame 26 time, the operator can utilize the body weight of self to urge the spring 221 of this assembly 22 of quivering downwards, the spring 221 of this assembly 22 of quivering will produce an opposition because of the adjustment through this adjusting device 30, impel this bouncing pin 20 and operator's integral body upwards to jump to overfulfil a production target and give birth to short spring stroke, the jump elastic force that so repeats the operator and liked is enjoyed the enjoyment of spring.

See also shown in Figure 6 again, when the jump stroke of wanting as the operator is longer, the operator can operate this adjustment change 80 and drive the reverse rotation start that state was carried out and tightened to this turnbarrel 60, this top sleeve 70 of pulling will be subjected to the rotation of this turnbarrel 60 driving of then contracting this moment, make the pull withstanding part 72 of sleeve 70 of this top urge strength reduction in this spring 221, that is spring 221 stretches bigger stroke under the situation that does not stress, then as operator during at this bouncing pin 20 of start, the spring 221 of this assembly 22 of quivering will produce a bigger opposition, thereby lengthening has changed the spring stroke of this bouncing pin 20, so makes the operator can adjust the spring strength of this bouncing pin 20 according to the hobby of oneself.

In sum, the utility model is by the well-designed elasticity adjusting device that constitutes a bouncing pin, it can not only adjust the spring strength of bouncing pin according to user's hobby, and it is simple with member, effective advantage easy and simple to handle, its unitary construction really at first creating and tool enhancement effect, meets the condition of novel patent, so apply for a patent in accordance with the law simultaneously.

Claims

1. the elasticity adjusting device of a bouncing pin is to be located between the operating bar and a spring of a bouncing pin, it is characterized in that this adjusting device includes:

One bearing tube, its axle center are provided with an axis hole and can wear for this operating bar, and its periphery is provided with a threaded portion and can supplies to screw togather the bottom that is located in this outer tube, and in axially offering a guide groove that runs through;

One turnbarrel is to be installed in this bearing tube, and it has an axis hole and can wear for this operating bar, and is provided with an external screw thread in the appearance periphery, and to be provided with a carrier be the bottom that slightly is revealed in this bearing tube and down extend its bottom;

One pushes up the sleeve of pulling, its apical margin is to be held in this spring, its axle center then is provided with an internal thread hole in order to be screwed together in the external screw thread of this turnbarrel, it is screwed together between this turnbarrel and this bearing tube, and by a pilot pin is the guide groove that is arranged in this bearing hole, and pull in this top side face of sleeve of bolt-lock, this top sleeve of pulling can not rotate with respect to this turnbarrel.

2. according to the elasticity adjusting device of the described bouncing pin of claim 1, it is characterized in that wherein the carrier of this turnbarrel also is arranged with one again and adjusts change.

3. according to the elasticity adjusting device of the described bouncing pin of claim 1, it is characterized in that, wherein the external screw thread root edge of this turnbarrel also be provided with a projecting ring section can be in order to the bottom of clip in this bearing tube.

4. according to the elasticity adjusting device of the described bouncing pin of claim 3, it is characterized in that, wherein be provided with a protuberance in the axis hole bottom of this bearing tube, being the external diameter that is slightly larger than this turnbarrel compresses for the projecting ring section of this turnbarrel.

5. according to the elasticity adjusting device of the described bouncing pin of claim 1, it is characterized in that, wherein the pull top of sleeve, this top is to be formed with the withstanding part that without exception is the annulus moulding, be in order to the pull spring of this assembly of quivering of top, the external diameter of this withstanding part is the internal diameter that is slightly less than this outer tube, and isometrical with the outer rim of this bearing tube.