CN201350866Y

CN201350866Y - Self-locking structure of manual tension device

Info

Publication number: CN201350866Y
Application number: CNU2008201817310U
Authority: CN
Inventors: 张文成
Original assignee: Win Chance Metal Co Ltd
Current assignee: Win Chance Metal Co Ltd
Priority date: 2008-12-15
Filing date: 2008-12-15
Publication date: 2009-11-25
Anticipated expiration: 2018-12-15

Abstract

The utility model relates to a self-locking structure of a manual tension device, which comprises a ratchet part and a manual tension part, which are connected by a connecting bar. When the manual part is pulled, the rotation of the ratchet wheel of the ratchet part is blocked so that the connecting bar produces unidirectional rotation. Moreover, the center of the ratchet part is provided with a limit piece which blocks the ratchet wheel because of the push of a spring. The limit piece is located in the track groove of the two sides of the ratchet part. The peripheral surface of the ratchet wheel is evenly provided with a plurality of unidirectional ratchets the blocking edges of which sink a little and form a groove. A barb-shaped button claw is formed between the groove and the top of teeth. The button claws are buttoned and fixed with the limit piece. The limit piece is provided with a dodging space corresponding to the ratchet wheel. A button block is automatically formed in front of the limit piece because of the arrangement of the dodging space. The button block and the dodging space form high-low drop height which drives the button claw of the ratchet wheel to stab.

Description

The self-locking structure of hand controller

Technical field

The utility model relates to a kind of " self-locking structure of hand controller ", refer to especially a kind of can prevent that the portion of pulling from unloading after, have banking stop to be stirred by other people again, cause rope band not to be fixed and the hand controller that gets loose.

Background technology

Lorry is behind lade, must utilize rope band that goods is bound, to avoid goods in the process of travelling, to drop, and the rope band that binds goods is wide hard, be difficult to free-handly, let alone goods will be tightened firmly its stitch, be with, must utilize hand controller, with hand controller with rope band tension and fix it.

And present common separation type hand controller structure, how as shown in Figure 9, it consists predominantly of: a spine move portion 60 and pulls portion 70, spine move portion 60 and 70 in the portion of pulling and with pipe link 80 as being connected, when being pulled, the portion of pulling 70 can block ratchet 61 rotations of spine move portion 60, make pipe link 80 produce unidirectional rotation, the rope band that is twined on the pipe link 80 relatively can be by rolling-in, and pull portion 70 and have a pressing function, after pushing, can pull the portion of pulling 70, but rotating ratchet 61, the portion's of pulling 70 may command are ungirded, or be separated with spine move portion 60 and pipe link 80, spine move portion 60 central parts are to be provided with to be subjected to the banking stop 63 of spring 62 pushing and pressing cards to ratchet 61 again, this banking stop 63 also is arranged in the rail groove 64 of spine move portion 60 both sides.

So, aforesaid known structure is taken off though can will pull portion 70 after goods binds, and just can provide the spine move portions 60 that organize to use to reach the same portion 70 that pulls more, but because pull after portion 70 takes off, to not have any object in the spine move portion 60 can be for stopping, allows other people can directly stir banking stop 63 (as shown in figure 10) backward, at this moment, to cause rope band not to be subjected to fix and get loose, goods can drop relatively, so this structure still has the problem in the design in use, is necessary to improve innovation in fact again.

Be with, how to research and develop improvement at the existing shortcoming of above-mentioned known hand controller structure, real target for the required effort research and development of relevant industry, this creator promptly in view of this, be to think and the idea of creation, satisfy with for many years experience and designed, through inquiring into and study Sample testing in many ways, and repeatedly revise improvement, be to release the utility model.

The utility model content

The technical matters point that desire solves:

After the portion of pulling of known hand controller took off, will not having any object in the spine move portion can allow other people directly stir banking stop backward for stopping, caused rope band not to be subjected to fix and get loose, and this is the technical matters point that desire solves.

The technical characterstic of dealing with problems:

The utility model provides a kind of self-locking structure of hand controller, it includes: a spine move portion and pulls portion, between spine move portion and the portion of pulling and with pipe link as being connected, when being pulled, the portion of pulling to block the ratchet rotation of spine move portion, make pipe link produce unidirectional rotation, the rope band that is twined on the pipe link relatively can be by rolling-in, and pull portion and have a pressing function, after pushing, can pull the portion of pulling, but rotating ratchet not, the portion may command of pulling is ungirded, or be separated with spine move portion and pipe link, spine move portion central part is to be provided with to be subjected to the banking stop of spring pushing and pressing card to ratchet again, this banking stop also is arranged in the rail groove of spine move portion both sides, wherein, the impartial unidirectional ratchets of majority that are provided with on the circumferential surface of ratchet, the card of ratchet ends edge all slightly to be absorbed in and respectively to be formed with a groove, make groove to gear tip clearance can form the button pawl of an overhead kick shape, to utilize these button pawls to interlock fixing with banking stop, banking stop is being equipped with the space of dodging with respect to the ratchet place, allowing can be because of the setting in the space of dodging before the banking stop, detain piece and initiatively be formed with one, this button piece also is formed with height with the space of dodging, low drop, to utilize this drop to provide the button dog clutch of ratchet to go into, thus, to obtain the self-locking structure of hand controller.

The effect of contrast prior art:

The utility model provides the self-locking structure of hand controller, it utilizes button pawl and button piece to interlock, can allow the banking stop can't translation backward again under non-situation about pulling, so when the portion of pulling is unloaded, the effect that can utilize this button to pull, banking stop can not stirred because of other people's curiosity, promptly cause rope band not to be fixed and the phenomenon that gets loose, can allow the goods that binds be sent to smoothly relatively.

Description of drawings

Understand and understanding for the inspector can be had further the purpose of this utility model, feature and effect, below please conjunction with figs. enumerate embodiment, detailed description as after, wherein:

Fig. 1 is a three-dimensional combination figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a combination section of the present utility model.

Fig. 4 is the stereoscopic-state figure that the utility model portion of pulling is unloaded.

Fig. 5 is the section-drawing that the utility model portion of pulling is unloaded.

Fig. 6 is another enforcement illustration of the utility model.

Fig. 7 is the another enforcement illustration of the utility model.

Fig. 8 is that the utility model is applied in the enforcement constitution diagram on traditional hand controller.

Fig. 9 is known three-dimensional exploded view.

Figure 10 is that the constitution diagram that banking stop can be struck unloads in the known portion of pulling.

The specific embodiment

At first, earlier please by Fig. 1, Fig. 2 and sight shown in Figure 3 it, it includes: a spine move portion 10 and pulls portion 20, spine move

portion

10 and 20 in the portion of pulling and with pipe link 30 as being connected, when being pulled, the portion of pulling 20 can block ratchet 40 rotations of spine move portion 10, make pipe link 30 produce unidirectional rotation, the rope band that is twined on the pipe link 30 relatively can be by rolling-in, and pull portion 20 and have a pressing function, after pushing, can pull the portion of pulling 20, but rotating ratchet 40, the portion's of pulling 20 may command are ungirded, or be separated with spine move portion 10 and pipe link 30, spine move portion 10 central parts are to be provided with to be subjected to the banking stop 50 of spring 11 pushing and pressing cards to ratchet 40 again, this banking stop 50 also is arranged in the rail groove 12 of spine move portion 10 both sides, wherein:

Equalization is provided with a plurality of unidirectional ratchets 41 on the circumferential surface of ratchet 40, the card of ratchet 41 ends edge all slightly to be absorbed in and respectively to be formed with a groove 42, make groove 42 to gear tip clearance can form the button pawl 43 of an overhead kick shape, interlock fixing with banking stop 50 to utilize these button pawls 43;

Banking stop 50 is being equipped with the space 51 of dodging with respect to ratchet 40 places, allowing can be because of the setting in the space 51 of dodging before the banking stop 50, detain piece 52 and initiatively be formed with one, this button piece 52 also is formed with high and low drop with the space 51 of dodging, and provides the button pawl 43 of ratchet 40 to buckle into to utilize this drop.

When it uses restraint of loads, pipe link 30 is in conjunction with rope band, also can in spine move portion 10, continue to pull and pull portion 20, pipe link 30 is produced with ratchet 40 to pivot, drive the rope band rolling-in simultaneously, ratchet 40 is unidirectional fixing with limited 50, therefore rope band can not get loose, when rope band is fixed by complete rolling-in, and can not pull the portion 20 of pulling again the time, then can utilize pushing of the portion of pulling 20, control drives sheet 21 and breaks away from ratchet 40, and two side cover plates 22 are strutted, allow the portion of pulling 20 can be disassembled down (please be simultaneously by Fig. 4 and sight shown in Figure 5 it), and because the button pawl 43 of ratchet 40 is to detain to pull on the button piece 52 of banking stop 50 always, allow the banking stop 50 can't translation backward again under non-situation about pulling, so when the portion of pulling 20 is unloaded, the effect that can utilize this button to pull, banking stop 50 can not stirred because of other people's curiosity, the phenomenon that promptly causes rope band not to be fixed and get loose, can allow the goods that binds be sent to smoothly relatively, in the time will ungirding, then push the portion of pulling 20, the portion of pulling 20 can up be pulled under the situation that does not continue the scrolling rope band, wait to pull near maximum travel position, then will pull portion 20 and decontrol, bestow a thrust backward again, allow drive sheet 21 can stir the most later half tooth papillae tooth 410 backward, the ratchet 41 that is just interlocking with banking stop 50 can slightly be lifted simultaneously, thus, just can finish the action that ungirds smoothly.

Again, the space 51 of dodging on the banking stop 50 be can with profile groove (please be simultaneously by Fig. 1 to sight shown in Figure 5 it), perforation (please simultaneously by sight shown in Figure 6 it), or directly will detain mode such as piece 52 protuberance (please simultaneously by sight shown in Figure 7 it) and form, and riser 13 the place aheads of these spine move portion 10 both sides, be to be protruding with a stopper 14 (please see it by Figure 6 and Figure 7 simultaneously) again on the maximum travel position that the portion's of pulling 20 drive ratchets 40 rotate, to utilize the block of this stopper 14, and can avoid the portion of pulling 20 to pull when excessive, promptly there are phenomenons such as the rope band that causes not at all easy encircling gets loose automatically again to take place.

In addition, self-locking structure of the present utility model can not only be applied in the separation type hand controller, it also is installed on traditional hand controller and is fit to relatively (please simultaneously by sight shown in Figure 8 it), because utilizing the button of this self-locking structure pulls, can allow the locating effect of banking stop 50 more remarkable in fact, relatively can form and guarantee, allow the ratchet 40 can be not excessive, the phenomenon generation of slightly skidding is promptly arranged because of loading.

Structure by above-mentioned specific embodiment, can obtain following benefit: it utilizes button pawl 43 and button piece 52 to interlock, can allow the banking stop 50 can't translation backward again under non-situation about pulling, so when the portion of pulling 20 is unloaded, the effect that can utilize this button to pull, banking stop 50 can not stirred because of other people's curiosity, promptly cause rope band not to be fixed and the phenomenon that gets loose, can allow the goods that binds be sent to smoothly relatively.

In sum, the utility model has reached breakthrough structure design really, and has the author content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model does not see any publication, also have a novelty, when the regulation that meets the relevant law of patent law, so propose novel patent application in accordance with the law.

Only above-described, only be a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Be that every equalization of being done according to the utility model claim changes and modifies, all should still belong in the scope that the utility model claim contains.

Claims

1, a kind of self-locking structure of hand controller, it includes: a spine move portion and pulls portion, between spine move portion and the portion of pulling and with pipe link as being connected, spine move portion central part is provided with and is subjected to the banking stop of spring pushing and pressing card to ratchet again, this banking stop also is arranged in the rail groove of spine move portion both sides, it is characterized in that:

Equalization is provided with a plurality of unidirectional ratchets on the circumferential surface of ratchet, the card of ratchet ends edge all slightly to be absorbed in and respectively to be formed with a groove, groove to gear tip clearance forms the button pawl of an overhead kick shape, to utilize these button pawls to interlock fixing with banking stop, banking stop is be equipped with the space of dodging with respect to the ratchet place, with the setting in the space of dodging, and initiatively is formed with a button piece in banking stop the place ahead, this button piece also is formed with high and low drop with the space of dodging, and provides the button dog clutch of ratchet to go into to utilize this drop.

2, the self-locking structure of hand controller according to claim 1, wherein, the space of dodging on the banking stop is that the mode with profile groove forms.

3, the self-locking structure of hand controller according to claim 1, wherein, the space of dodging on the banking stop is that the mode with perforation forms.

4, the self-locking structure of hand controller according to claim 1, wherein, the space of dodging on the banking stop is directly will detain piece protuberance and form.

5, the self-locking structure of hand controller according to claim 1, wherein, spine move portion both sides are protruding with a stopper in the maximum travel position that the portion of pulling drives the ratchet rotation.