CN202091301U

CN202091301U - Ratchet wheel type binding ring

Info

Publication number: CN202091301U
Application number: CN2011201560642U
Authority: CN
Inventors: 吕家昇
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-17
Filing date: 2011-05-17
Publication date: 2011-12-28
Anticipated expiration: 2021-05-17

Abstract

The utility model relates to a ratchet wheel type binding ring, which consists of an object to be locked, a rotating shaft, a handle, a ratchet wheel device and a padding block. The object to be locked is provided with a threaded hole. One end of the rotating shaft is provided with external threads, and the other end of the rotating shaft is a combining portion. The external threads are combined with the threaded hole of the object to be locked, and the combining portion is connected with a head end of the handle. The head end of the handle is combined with the combining portion of the rotating shaft. An accommodating chamber for placing the ratchet wheel device is further provided. By adopting the parts, the handle is convenient to be operated to tighten the binding ring, and accordingly tubes and pipes can be fixed.

Description

The ratchet-type beam ring

Technical field

The utility model is about a kind of bicycle, refers to the technology category that easily the seat pipe under the seat cushion is fixed and positioned especially.

Background technique

Press, the base riser of one bicycle, usually must press from both sides to pull with a saddle tube bundle and tighten on the seat pipe of vehicle frame, this saddle tube bundle structure is roughly c-shaped, and have a trepanning and a breach, this trepanning can be for wearing on the seat pipe top periphery wall that is limited in vehicle frame, and utilize these breach two opposite sides that one perforation and a screw is set respectively, make a bolt pass when this perforation is back to screw togather locking mutually with this screw, can be with this pipe top toward the condensation of pulling of interior folder, and then will be inserted in inner base riser and be tightened fixing.

The mode of tightening of common again saddle tube bundle, some is to use screw packing mode for it, for example the novel patent of TaiWan, China M382263, M369893 number; Some cam packing mode that is to use quick detach for it, for example the novel patent announcement of TaiWan, China is number No. 322012.

Yet the mode of above-mentioned use screw packing need be used instrument, and is comparatively inconvenient in the use; And use the mode of the cam packing of quick detach, though comparatively convenient, the packing mode of cam is easier to get loose because of external force, often causes that saddle tube bundle tightens really and lead to accident.

Summary of the invention

Main purpose of the present utility model is to be: tighten really and ratchet-type beam ring structure easy and simple to handle.

For reaching above-mentioned purpose, a kind of ratchet-type beam ring of the utility model is made up of a thing to be locked, a rotating shaft, a handle, a ratchet unit and a cushion block; It is characterized in that:

One thing to be locked is to be provided with a tapped hole;

One rotating shaft is an end for being provided with an outside thread, and end then is the connecting part in addition, and wherein this outside thread is incorporated into the tapped hole of waiting to lock thing, and this connecting part must be connected in the head end of handle again; And

One handle is that its head end combines with the connecting part of rotating shaft; Other is provided with a room, and this room must be inserted a ratchet unit.

Actual gain of the present utility model is to use the ratchet mode, just can operate handle with clockwise, rotation counterclockwise, the packing according to this positively or the beam tube that gets loose; Need not use additional means, just can produce the firm effect of tightening.

Characteristics of the present utility model can be in cooperating the following drawings further to understand.

Description of drawings

Fig. 1 is the stereo appearance figure for the utility model preferred embodiment.

Fig. 2 is the three-dimensional exploded view for the utility model preferred embodiment.

Fig. 3 is the sectional drawing for the utility model preferred embodiment.

Fig. 4 is the ratchet unit of the utility model preferred embodiment schematic representation with clockwise drive rotating shaft.

Fig. 5 is the ratchet unit of the utility model preferred embodiment schematic representation with counterclockwise drive rotating shaft.

Fig. 6 is the aspect figure that imposes on bicycle saddle cushion for the utility model preferred embodiment.

Fig. 7 is the aspect figure that imposes on the cycle wheel axle for the utility model preferred embodiment.

Embodiment

At first, see also Fig. 1 to shown in Figure 3, for the utility model preferred embodiment about a kind of ratchet-type beam ring, its thing to be locked can be a beam ring body, it comprises: a beam ring 1, a rotating shaft 2, a handle 3, a ratchet unit 4 and a cushion block 5; Wherein,

This beam ring 1 body 10, it is the ring body that is provided with the non-enclosed shape of an opening 11, and be provided with left lug 12 and right lug 13 at this opening 11, again should left side lug 12, right lug 13 is relative each other, and left lug 12 is established a penetration hole 121, right lug 13 is established a tapped hole 131, and this tapped hole 131 is positioned at same shaft axis with penetration hole 121;

Wherein above-described thing to be locked is the wheel for a bicycle, and is provided with a nut 81 corresponding with it, and this nut is provided with tapped hole 811, ginseng Fig. 7;

This rotating shaft 2 is ends for being provided with an outside thread 21, and end then is connecting part 22 in addition, and this connecting part 22 must be connected in the head end 31 of handle 3;

This handle 3 is that its head end 31 combines with the connecting part 22 of rotating shaft 2, and other is provided with a room 32, and this room 32 must be inserted a ratchet unit 4; Wherein this ratchet unit 4 is to be provided with latch wheel 41, one direction transformation arm 42, a spheroid 43 and a spring 44; Wherein this latch wheel 41 must be sheathed on the connecting part 22 of rotating shaft 2 again, and the latch wheel 41 little rotating shafts 321 that must be hubbed in the room 32; These latch wheel 41 modes that are sheathed on the connecting part 22 of rotating shaft 2 are that the connecting part 22 of rotating shaft 2 then is made as square end and cooperates with this square hole 412 for latch wheel 41 is provided with a square hole 412 again, and this latch wheel 41 is to be evenly equipped with a plurality of side's teeth 411 on every side in addition; And this spring 44 is subjected to the inwall support of room 32 and gets contact spheroid 43, this spheroid 43 must contact be the back side 421 of the direction transformation arm 42 of V word shape again, the arm of direction of operating conversion according to this 42 makes its engagement, is not engaged in latch wheel 41, and makes latch wheel 41 do unidirectional rotation; And

This cushion block 5, this cushion block 5 is provided with a through hole 51 again, and this through hole must wear for rotating shaft 2, and makes between the left lug 13 of its head end of being located at handle 3 according to this 31 and beam ring 1; This cushion block 5 and handle 3 head ends 31 corresponding side end faces are made as concave arc surface 52 again.

See also shown in Figure 3, composition by above-mentioned all elements, at first the ratchet unit 4 that latch wheel 41, direction transformation arm 42, spheroid 43 and spring 44 are constituted is installed in the room 32 of handle 3, wherein the square hole 412 of latch wheel 41 connecting part 22 that must be placed in rotating shaft 2 forms the L shape, and this rotating shaft 2 must produce the effect of interlock with handle 3, then, the front end of rotating shaft 2 wears penetration hole 121, the opening 11 of left lug 12 of through hole 51, the beam ring 1 of cushion block 5 respectively, and outside thread 21 spiral shells on the front end of last rotating shaft 2 are located in the tapped hole 131 of right lug 13 of beam ring 1; At this moment, the concave arc surface 52 of the head end 31 conflict cushion blocks 5 of handle 3, this cushion block 5 left lug 12 of conflicting, and then outside thread 21 spiral shells on the front end of utilization rotating shaft 2 again advance the number in the tapped hole 131 of right lug 13, with the power of tightening of the correspondence that produces beam ring 1.

Hereat, see also shown in Figure 6, it in the use of the present utility model the upper end, top that beam ring 1 cover is fixed in cycle frame standpipe 6, and the seat pipe 71 of a seat cushion 7 of bicycle must be inserted in this standpipe 6, for allowing this seat cushion 7 can be as the adjustment on the height, the upper end that beam ring 1 must packing standpipe 6 then, the upper end of the standpipe 6 seat pipe 71 on the packing seat cushion 7 more then, and then the adjustment that allows the seat cushion 7 of bicycle produce on the height.

See also Fig. 4 and shown in Figure 5, the utility model produces or does not produce the principle of the power of tightening for adjusting direction transformation arm 42 positions of ratchet unit 4 by beam ring 1 again, if the position of direction transformation arm 42 is horizontal, as Fig. 3, can not take turns 41 because of this direction transformation arm 42 and produce any engagement, so handle 3 as where swing the effect that rotation can countershaft 2 produce interlocks yet latch;

As Fig. 4, court has a down dip if direction transformation arm 42 is dialled down, then tip 422 sees through the back side 421 that spheroid 43 forces in direction transformation arm 42 because of spring 44 on this direction transformation arm 42, add this back side 421 and be last arc, following arc constitutes, tip 422 keeps contacting with the square tooth 411 of latch wheel 41 on this direction transformation arm 42 and make, also because the special tooth profile of tip 422 on this direction transformation arm 42, only when handle 3 is rotated counterclockwise predetermined angle, then should go up tip 422 and must take turns 41 square tooth 411 engagements with latch, must make handle 3 turn clockwise this moment, then because of of square tooth 411 engagements of last tip 422 with latch wheel 41, making handle 3 can further drive rotating shaft 2 turns clockwise, and rotating shaft 2 is when turning clockwise, then the front end outside thread 21 of rotating shaft 2 can be more advances to produce tension in the tapped hole 131 of the right lug 13 of beam ring 1, and then the head end 31 packing cushion blocks 5 of handle 3, and cushion block 5 packing beam ring 1 again, beam ring 1 is again to standpipe 6 application of forces of cycle frame, and then the seat of seat cushion 7 is managed 71 generations tighten power, repeat to do counterclockwise a little while to handle 3, turn clockwise to reach the height location of seat cushion 7 a little while;

As Fig. 5, and if direction transformation arm 42 is dialled down during towards updip, then these direction transformation arm 42 lower tip parts 423 see through the back side 421 that spheroid 43 forces in direction transformation arm 42 because of spring 44, add this back side 421 and be last arc, following arc constitutes, and the lower tip part 423 that makes this direction transformation arm 42 keeps contacting with the square tooth 411 of latch wheel 41, also because the special tooth profile of these direction transformation arm 42 lower tip parts 423, only when handle 3 turns clockwise predetermined angle, this lower tip part 423 must be taken turns 41 square tooth 411 engagements with latch, must make handle 3 be rotated counterclockwise this moment, then because of square tooth 411 engagements of lower tip part 423 with latch wheel 41, making handle 3 can further drive rotating shaft 2 is rotated counterclockwise, and rotating shaft 2 is when being rotated counterclockwise, then the front end outside thread 21 of rotating shaft 2 can be more retreats in the tapped hole 131 of the right lug 13 of beam ring 1, and then the head end 31 of handle 3 breaks away from cushion block 5, and cushion block 5 packing beam ring 1 no longer, beam ring 1 naturally can be to standpipe 6 application of forces of cycle frame, repeat to do clockwise a little while to handle 3, be rotated counterclockwise a little while, and then the seat pipe 71 of seat cushion 7 produced the effect that gets loose, just can do adjustment on the height to seat cushion 7 this moment.

See also shown in Figure 7, if beam ring 1 is omitted in aforesaid preferred embodiment, but elongate the length of rotating shaft 2 and can cooperate with the wheel flower-drum, and wear the endoporus of wheel flower-drum according to this, again with a nut screw lock in the outside thread of the front end of rotating shaft 2, and then the locking mode of utilization and aforesaid preferred embodiment, repeat handle 3 is done counterclockwise a little while, turned clockwise a little while, just wheel and flower-drum thereof can be fixed on the cycle frame; In like manner, the mode of loosening of utilization and aforesaid preferred embodiment repeats handle 3 is done clockwise a little while, is rotated counterclockwise a little while, just wheel and flower-drum thereof can be got loose on cycle frame.

Comprehensive the above, formation structure of the present utility model had not seen each books and periodicals or public use again, really met novel patent application important document.

Need Chen Ming's, the above is specific embodiment of the utility model and the know-why used, if comply with the change that conception of the present utility model is done, when the function that it produced does not exceed specification and graphic contain spiritual yet, all should in scope of the present utility model, give Chen Ming.

Claims

1. a ratchet-type beam ring is made up of a thing to be locked, a rotating shaft, a handle, a ratchet unit and a cushion block; It is characterized in that:

One thing to be locked is to be provided with a tapped hole;

2. ratchet-type beam ring as claimed in claim 1, it is characterized in that: wherein this thing to be locked is to be a beam ring body, and this beam ring body, it is the ring body that is provided with the non-enclosed shape of an opening, and be provided with left lug and right lug at this opening, again should left side lug, right lug is relative each other, and left lug is established a penetration hole, right lug is established a tapped hole, and this tapped hole and penetration hole are positioned at same shaft axis.

3. ratchet-type beam ring as claimed in claim 1 is characterized in that: wherein this thing to be locked is the wheel for a bicycle, and is provided with a nut corresponding with it, and this nut is provided with tapped hole.

4. ratchet-type beam ring as claimed in claim 1 is characterized in that: wherein this ratchet unit is to comprise latch wheel, a direction transformation arm, a spheroid and a spring; Wherein this latch is taken turns to such an extent that be sheathed on the connecting part of rotating shaft again, and the latch wheel is hubbed at the little rotating shaft in the room; And this spring is subjected to the inwall support of room and gets the contact spheroid, and this spheroid gets the back side of contact direction transformation arm again, and the arm of direction of operating conversion according to this makes its engagement, is not engaged in the latch wheel, and makes the unidirectional rotation of latch crop rotation.

5. ratchet-type beam ring as claimed in claim 4 is characterized in that: wherein to be sheathed on the mode of the connecting part of rotating shaft be that the connecting part of rotating shaft then is made as square end and cooperates with this square hole for the latch wheel is provided with a square hole to this latch wheel.

6. ratchet-type beam ring as claimed in claim 4 is characterized in that: wherein this latch wheel is to be a plurality of side's teeth on every side.

7. ratchet-type beam ring as claimed in claim 4 is characterized in that: wherein this direction transformation arm is to be V word shape.

8. ratchet-type beam ring as claimed in claim 7 is characterized in that: wherein this direction transformation arm more comprises a tip and a lower tip part on one, gets and is adjusted into conflict, the square tooth of non-contravention around the latch wheel alternately; In addition the back side of this direction transformation arm more comprises on one arc and arc once.

9. as claim 1,2 or 3 described ratchet-type beam rings, it is characterized in that: wherein this cushion block is provided with a through hole, and this through hole must wear for rotating shaft, and makes between the left lug of its head end of being located at handle according to this and beam ring.

10. ratchet-type beam ring as claimed in claim 9 is characterized in that: wherein the side end face that this cushion block is corresponding with the handle head end is made as concave arc surface.