CN202446432U

CN202446432U - Rotating shaft locking structure component for adjustment of change of body positions

Info

Publication number: CN202446432U
Application number: CN 201220034743
Authority: CN
Inventors: 林培清
Original assignee: Beijing Aeonmed Co Ltd
Current assignee: Beijing Aeonmed Co Ltd
Priority date: 2012-02-03
Filing date: 2012-02-03
Publication date: 2012-09-26
Anticipated expiration: 2022-02-03

Abstract

The utility model discloses a rotating shaft locking structure component for the adjustment of the change of body positions. The component comprises a fixing clip, an adjustment part and a handle with a lock, wherein the fixing clip is connected with the adjustment part in a rotatable way; the handle with the lock extends into the adjustment part; and a connecting rod mechanism is arranged between an extension end of the handle with the lock and the fixing clip. By using the connecting rod mechanism in a triangular relation, a rotating shaft is locked at the central position of the rotating shaft, the handle is relatively large in operation space, the size of a resistance arm is increased, and the stiffness of the whole adjustment part is strengthened; and meanwhile, the eccentric handle with the lock is adopted, so that the operation efficiency is also improved.

Description

Be used for position and change the rotating shaft latch-up structure assembly of regulating

Technical field

This utility model relates to medical instruments field, relates in particular to a kind of position that is used for and changes the rotating shaft latch-up structure assembly of regulating.

Background technology

When carrying out some particular procedure, need regulate the position at some position of patient through regular meeting.At present; Position changes adjusting and all adopts the identical latch-up structure form of quiet, moving plane teeth; Mainly contain two kinds of screw rod, quick eccentric handle forms and drive the plane teeth version of coincideing, whether (moment that whether working place is arranged, manually produces enough big etc. factor) decides drive form as the case may be.

Fixed, the moving center of rotation and the locked-center of above-mentioned two kinds of latch-up structure forms are same center; Adopt the defective of these two kinds locking forms to be: the method that, adopts fixed, moving plane teeth to coincide; It is very big that fixed, moving plane teeth outside dimension can not be done; The resistance arm length dimension can not get increasing thereupon, thus not ideal enough for whole adjustment member rigidity, occur easily when adjustment member is stressed rocking; Two, the handle operation space is restricted, and operates to have interference.

Summary of the invention

The technical problem that this utility model solves is: the existing adjustment member rigidity that is used for the locking form that position regulates is not enough, the stressed shaking phenomenon that occurs easily of adjustment member.

Another technical problem that this utility model solves is: existing to be used for the handle operation space that position regulates not enough, receives extraneous the interference easily.

This utility model provides a kind of position that is used for to change the rotating shaft latch-up structure assembly of regulating; It adopts the linkage that is triangle relation, on the turning cylinder center, rotating shaft is being locked, and the handle operation space is bigger; The resistance arm size obtains increasing; Strengthen the rigidity of whole adjustment member, simultaneously, adopted eccentric handle with lock also to improve operating efficiency.

The purpose of this utility model is to realize through following technical scheme:

A kind of position that is used for changes the rotating shaft latch-up structure assembly of regulating; Comprise fixation clamp, adjustment member, handle with lock; Said fixation clamp and said adjustment member are rotationally connected; Said handle with lock stretches in the said adjustment member, and between said handle inserting end with lock and said fixation clamp, linkage is set.

Further, said fixation clamp stretches in the said adjustment member, and passes through turning cylinder with said fixation clamp and said adjustment member cross-under.

Further, said linkage comprises first connecting rod and second connecting rod, and first connecting rod and said fixation clamp be rotationally connected, and second connecting rod and said handle with lock are rotationally connected.

Further, pass through the bearing pin cross-under between said first connecting rod and the said fixation clamp.

Further, pass through the bearing pin cross-under between said first connecting rod and the said second connecting rod.

Further, said handle with lock comprises rotating shaft part and handle portion, and said rotating shaft is partly stretched in the said adjustment member, and with said second connecting rod cross-under.

Further; In the lower end of said second connecting rod moving plane teeth is set; The corresponding setting in the inboard of said adjustment member decided plane teeth, and the rotating shaft part of said handle with lock is passed successively and decided plane teeth, moving plane teeth, second connecting rod, and screw in two nuts in the end of said rotating shaft part fastening.

Further, saidly decide to be provided with the disengagement spring between plane teeth and the said moving plane teeth.

Further, saidly decide plane teeth and said moving plane teeth to have relative angle be 9 ° profile of tooth.

The beneficial effect of this utility model is: adopt the linkage that is triangle relation; On the turning cylinder center, rotating shaft is being locked; The handle operation space is bigger, and the resistance arm size obtains increasing, and has strengthened the rigidity of whole adjustment member; Simultaneously, adopt eccentric handle with lock also to improve operating efficiency.

Description of drawings

According to accompanying drawing and embodiment this utility model is done further explain below.

Fig. 1 is used for the decomposing schematic representation that position changes the rotating shaft latch-up structure assembly of regulating for this utility model is described;

Fig. 2 is the decomposing schematic representation of the handle with lock shown in Fig. 1;

Fig. 3 is used for the three-dimensional installation diagram that position changes the rotating shaft latch-up structure assembly of regulating for this utility model is described;

Fig. 4 is used for the partial sectional view that position changes the rotating shaft latch-up structure assembly of regulating for this utility model is described.

Among the figure:

1, fixation clamp; 2, first connecting rod; 3, turning cylinder; 4, adjustment member; 5, second connecting rod; 6, moving plane teeth; 7, decide plane teeth; 8, throw off spring; 9, handle with lock; 10, bearing pin; 11, back-up ring; 12, nut; 13, packing ring;

1a, rotating shaft part; 2a, first bearing pin; 3a, second bearing pin; 4a, handle portion; 5a, spring core; 6a, spring; 7a, locking key.

The specific embodiment

As shown in Figure 1, in present embodiment, the described position that is used for of this utility model changes the rotating shaft latch-up structure assembly of regulating; Comprise fixation clamp 1, adjustment member 4, handle with lock 9; Fixation clamp 1 the inner extends in the adjustment member 4, and both are through turning cylinder 3 cross-under, so that both are rotatably connected; The rotating shaft of handle 9 with lock partly extend in the adjustment member 4; And and the inner of fixation clamp 1 between linkage is set, wherein linkage comprises first connecting rod 2 and second connecting rod 5, first connecting rod 2 is inner through bearing pin 10 cross-under with fixation clamp 1; Pass through bearing pin 10 cross-under between first connecting rod 2 and the second connecting rod 5; Moving plane teeth 6 is set in the lower end of second connecting rod 5, and the corresponding inboard at fixation clamp 1 is provided with decides plane teeth 7, and in moving plane teeth 6 and decide disengagement spring 8 between the plane teeth 7; The rotating shaft part of handle 9 with lock is passed successively and is decided plane teeth 7, disengagement spring 8, moving plane teeth 6, second connecting rod 5, and fastening through the nut 12 that screws in its end.

As shown in Figure 2, provided a specific embodiment of handle with lock, it comprises rotating shaft part 1a, handle portion 4a, locking key 7a; Handle portion 4a comprises head and afterbody, and head has notch, and locking key 7a is installed in the notch; Through the second bearing pin 3a together with locking key 7a and handle portion 4a cross-under; Rotating shaft part 1a is used for position to be regulated, and rotating shaft part 1a one end extends in the notch, through the first bearing pin 2a with rotating shaft part 1a and handle portion 4a cross-under together; To realize that locking key 7a and handle portion 4a can relatively rotate, rotating shaft part 1a and handle portion 4a also can relatively rotate; Have coupler body in the locking key 7, what be complementary on the rotating shaft part 1a has a hook groove, in coupler body embeds the hook groove, can realize the locking of handle; Its spinning reduction also is installed on the locking key 7a uses spring 6a; Spring 6a one end is provided with spring core 5a; Both pack in the locking key 7a in the lump, and it can realize that locking key is postrotational and reset, promptly position regulate accomplish after; Realize the locking of handle, avoided the extraneous factor danger that influence possibly cause to handle.

During installation, spring 6a is packed in the locking key 7a, at the spring 6a one end spring core 5a that packs into; Then, the three is packed into by handle notch one end, so that spring core 5a and notch inwall lean; The reuse second bearing pin 3a gets up locking key 7a and handle portion 4a cross-under; With holding handle portion 4a, and, rotating shaft part 1a is packed into by the handle notch other end with thumb wheel locking key 7a; So that the coupler body of locking key embeds in the hook groove of turning cylinder, the reuse first bearing pin 2a gets up rotating shaft part 1a and handle portion 4a cross-under.

During use, hold handle portion 4a, with thumb wheel locking key 7a, so that the hook groove on coupler body on the locking key 7a and the rotating shaft part 1a breaks away from; This moment, the locking of handle was disengaged, and held the handle lifter motion that can make progress, and had realized the variation of position, when position partly adjust confirm after; Holding handle can rotate, and under the effect of spring 6a, makes coupler body be embedded into once more in the hook groove, and handle is automatically locked once more; This shows, when needs are opened handle, must stir locking key simultaneously; At this moment just can unclamp handle, and carry out the position variation and regulate, so just avoid extraneous interference effect to cause the danger that possibly occur.

Shown in Fig. 3～4; The assembling process of the described rotating shaft latch-up structure of this utility model assembly: handle 9 with lock is passed adjustment member 4 respectively, decides plane teeth 7, throws off spring 8, moves plane teeth 6, second connecting rod 5, put on a packing ring 13 then in its end, screw in a nut 12; Adjust the feel of handle 9 with lock; Screw in a nut 12 again and carry on the back tightly, buckle shaft block ring 11 then with second connecting

rod

5 and 10 cross-under of first connecting rod 2 usefulness bearing pins, and in the end of bearing pin 10; Then with first connecting rod 2 and 10 cross-under of fixation clamp 1 usefulness bearing pin; And buckle shaft block ring 11 in the end of bearing pin 10, buckle shaft block ring at last with fixation clamp 1 and 3 cross-under of adjustment member 4 usefulness turning cylinders, and in the end of turning cylinder 3.

During use, hold the locking key on the handle 9 usefulness thumb wheel with lock handle with lock, rotate handle with lock; Owing to throw off spring 8 with decide to be provided with between the plane teeth 7, feasiblely move plane teeth 6 and decide disengagement between the plane teeth 7, at this moment in moving plane teeth 6; The position part can be rotated adjustment; When position partly adjust confirm after, hold handle 9 with lock and can upwards rotate, make moving plane teeth 6 with decide between the plane teeth 7 identical once more.

What need statement is; The above-mentioned specific embodiment only is preferred embodiment and institute's application technology principle of this utility model; In technical scope disclosed in the utility model; Any variation that the technical staff expected easily or replacement of being familiar with the present technique field all should be encompassed in the protection domain of this utility model.

Claims

1. one kind is used for the rotating shaft latch-up structure assembly that position changes adjusting; It is characterized in that: comprise fixation clamp, adjustment member, handle with lock; Said fixation clamp and said adjustment member are rotationally connected; Said handle with lock stretches in the said adjustment member, and between said handle inserting end with lock and said fixation clamp, linkage is set.

2. the position that is used for according to claim 1 changes the rotating shaft latch-up structure assembly of regulating, and it is characterized in that: said fixation clamp stretches in the said adjustment member, and passes through turning cylinder with said fixation clamp and said adjustment member cross-under.

3. the position that is used for according to claim 1 changes the rotating shaft latch-up structure assembly of regulating; It is characterized in that: said linkage comprises first connecting rod and second connecting rod; And first connecting rod and said fixation clamp are rotationally connected, and second connecting rod and said handle with lock are rotationally connected.

4. the position that is used for according to claim 3 changes the rotating shaft latch-up structure assembly of regulating, and it is characterized in that: pass through the bearing pin cross-under between said first connecting rod and the said fixation clamp.

5. the position that is used for according to claim 3 changes the rotating shaft latch-up structure assembly of regulating, and it is characterized in that: pass through the bearing pin cross-under between said first connecting rod and the said second connecting rod.

6. according to claim 3ly be used for the rotating shaft latch-up structure assembly that position change to be regulated, it is characterized in that: said handle with lock comprises rotating shaft part and handle portion, and said rotating shaft is partly stretched in the said adjustment member, and with said second connecting rod cross-under.

7. the position that is used for according to claim 6 changes the rotating shaft latch-up structure assembly of regulating; It is characterized in that: moving plane teeth is set in the lower end of said second connecting rod; The corresponding setting in the inboard of said adjustment member decided plane teeth; The rotating shaft of said handle with lock part is passed successively and is decided plane teeth, moving plane teeth, second connecting rod, and screw in two nuts in the end of said rotating shaft part fastening.

8. according to claim 7ly be used for the rotating shaft latch-up structure assembly that position change to be regulated, it is characterized in that: saidly decide to be provided with the disengagement spring between plane teeth and the said moving plane teeth.

9. according to the arbitrary described rotating shaft latch-up structure assembly that position change to be regulated that is used for of claim 7～8, it is characterized in that: saidly decide plane teeth and said moving plane teeth to have relative angle be 9 ° profile of tooth.