CN102233957A

CN102233957A - Hand pulling device with function of folding and unfolding clamp

Info

Publication number: CN102233957A
Application number: CN2010101681187A
Authority: CN
Inventors: 黄汉卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-05
Filing date: 2010-05-05
Publication date: 2011-11-09
Anticipated expiration: 2030-05-05
Also published as: CN102233957B

Abstract

The invention discloses a hand pulling device with a function of folding and unfolding a clamp, wherein one pulling handle and two ratchet wheel sheets are pivoted on a base, and the pivoting part is connected with a scrolling member in connection with the ratchet wheel sheets, thus a strap can be scrolled or released; the pulling handle and the base are respectively provided with two side-by-side side walls, a barrier sheet is arranged between every two side walls; a clamping function is maintained between the two barrier sheets and any tooth around the ratchet wheel sheets; at least one cam edge is formed on the side wall edge of the pulling handle; and a guide surface is formed at the barrier sheet end of the pulling handle according to the inclination, when the pulling handle and the base are folded together, the barrier sheet of the base can be pushed away by the cam edge on the side wall of the pulling handle and the barrier sheet of the pulling handle presses against any tooth around the ratchet wheel sheets. The hand pulling device has functions of scrolling and releasing the straps and being immediately stopped when being pulled.

Description

The hand controller of tool folding and unfolding clip effect

Technical field

The invention belongs to the release of binding tools and furl the field, be meant that especially a kind of hand controller furls and discharge the technology of tie.

Background technology

The U.S. the 6th, 799, No. 750 the patent case discloses a hand controller, be same as the purpose of No. 2216792.7 patent case of China, all be with two semiaxis one pull handle to be articulated on the pedestal together with two ratchet sheets, these semiaxis and ratchet sheet possess association, and pull handle and pedestal are installed a catch separately, can be by elastic force and arbitrary tooth around the clip ratchet sheet, make a strapping roll be received in the two-semiaxle outside.

As shown in Figure 1, this pedestal 10 is at two sidewalls 12 side by side of 11 both sides, bottom bending, every sidewall 12 runs through an elongated hole 13 and two through holes 14, and, lax groove 15 is stood far apart facing each other across the through hole 14 and the lock slots 17 in adjacent elongated hole 13 at edge shaping one lax groove 15, a release groove 16 and a lock slots 17 that is close to pivot end.

When pull handle when pedestal 10 is rocked to deployed condition, the catch of pull handle can insert in the lax groove 15, pushes the catch of pedestal 10 simultaneously open, forfeiture is to the clip effect of ratchet sheet.Carry out the goods action of lightening restrictions on though can spur tie apace, be short of the containing of safety gear, in the use quite danger.

If the catch of pull handle is propped up release groove 16, then can cooperate the sidewall 12 outer slip teeth 18 that articulate to block ratchet sheet arbitrary tooth on every side, see through the mode of the pull handle that swings back and forth, discharge tie lentamente according to single tooth pitch.Though release groove 16 collocation slip teeth 18 can have the effect of brake compensation, have improved the safety factor that tie discharges relatively, the speed of disengaging unfortunately becomes slowly, the man-hour that the delay binding is required.

In case when pull handle and pedestal 10 closed up, the catch of pull handle can prop up the wall of lock slots 17, block relative tooth around the ratchet sheet together with the catch of pedestal 10, forbid furling or discharging tie.Thus, two catch except blocking the ratchet sheet, do not produce other function closing up under the state fully.

In view of this, the inventor deeply inquires into the problem of prior art, and research and development and manufacturing experience to be engaged in related industry for many years, actively seeks solution, successfully develops the hand controller of a kind of tool folding and unfolding clip effect finally, commonly uses the problem of invention with improvement.

Summary of the invention

Main purpose of the present invention is to provide the hand controller of a kind of tool folding and unfolding clip effect, and it can furl and discharge tie, and have with draw, with the function of stopping.

In order to reach above-mentioned purpose, solution of the present invention is:

The hand controller of a kind of tool folding and unfolding clip effect is articulated in a pull handle on one pedestal together with two ratchet sheets, and connects a scrolling spare at the pivot joint position, and this scrolling spare possesses association with the ratchet sheet, thereby can furl or discharge a tie; This pull handle has two side by side sidewalls, and one first catch is installed between the two side, and pedestal also has two side by side sidewalls, and one second catch is installed between the two side, and two catch can be kept the clip effect with arbitrary tooth around the ratchet sheet towards the motion of scrolling spare; The sidewall edge of described pull handle forms at least one cam edge that can remove the clip relation of second catch and ratchet sheet during pull handle closes up pedestal; Described pedestal forms the sliding tray and a lock slots of preventing first catch to swing of the related ratchet sheet of restriction first catch action radius in sidewall edge; The described first catch end forms a guide surface according to gradient, and offsets with arbitrary tooth around the ratchet sheet during pull handle closes up pedestal.

Outside installation one of said base and scrolling spare possess the furling mechanism of association.

Above-mentioned scrolling spare is two to furl or discharge the semiaxis of tie.

It is outside and can furl or discharge the reel of tie that above-mentioned scrolling spare is that a spool and is enclosed within this spool.

After adopting said structure, the present invention forms one second cam edge by the sidewall edge at pull handle, and the catch that is installed on pull handle forms a guide surface in the end of contact ratchet sheet according to gradient, by this simple design, when pull handle and pedestal close up, push the catch of pedestal open with second cam edge of pull handle sidewall, allow the catch of pull handle go deep in the cooresponding lock slots of base side mural margin simultaneously, allow that arbitrary tooth and guide surface offset around the ratchet sheet.

Tie this moment draws outward when discharging, related ratchet sheet rotates synchronously, and the tooth that is looped around ratchet sheet circumference is bestowed application force to guide surface, push the catch of pull handle in regular turn open and send the continuity strike note, till external force disappears, allow catch under the elastic force effect, block tooth around the ratchet sheet, and then stop tie and spur work outward, possess with draw, with the function of stopping.

In addition, the pedestal outside is equipped with a furling mechanism, and this furling mechanism possesses association with the scrolling spare that furls tie, and during pull handle closed up pedestal, the catch of pulling pull handle was backed out the position of clip ratchet sheet, can be automatically and backrush tie apace.

Relevant the technology used in the present invention, means and effect thereof after now enumerating the following example and conjunction with figs. and being described in more detail in, are believed above-mentioned purpose of the present invention, structure and feature, can be obtained deeply and concrete understanding by this content.

Description of drawings

Fig. 1 is a block diagram, shows the pedestal concrete structure that existing hand controller is installed;

Fig. 2 is a block diagram, shows the expansion situation of hand controller one preferred embodiment of the present invention;

Fig. 3 is a cutaway view, the internal structure and the clip relation of hand controller among performance Fig. 2;

Fig. 4 is a cutaway view, the amplification structure of drawing a circle out among performance Fig. 3;

Fig. 5 is a planar view, shows the side after hand controller closes up, and goes out the clip relation with dotted lines;

Fig. 6 is a planar view, the amplification structure at the place that draws a circle among performance Fig. 5;

Fig. 7 is a planar view, and performance ratchet sheet touches guide surface with toe joint and pushes the interactive relationship of first catch open;

Fig. 8 is a planar view, and the hand controller that performance is closed up is pulled the concrete situation of the first catch backrush tie.

The main element nomenclature

[prior art]

11 bottoms of 10 pedestals

12 sidewalls, 13 elongated holes

14 through holes, 15 lax grooves

16 release grooves, 17 lock slots

18 slip teeth

[the present invention]

20 hand controllers, 21 spools

22 ties, 23 reels

30 pull handles, 31 handles bottom

32 sidewalls, 33 elongated holes

34 ring plates, 35 first cam edges

36 second cam edges

41 bottoms of 40 pedestals

42 sidewalls, 43 ring plates

44 sliding trays, 45 lock slots

46 elongated holes, 48 isolation parts

50 ratchet sheets, 51 teeth

52 arc limits

60 first catch, 61 afterbodys

62 compression springs, 63 forced sections

64 guide surfaces

70 second catch, 71 afterbodys

80 furling mechanisms

The specific embodiment

Elaborate related embodiment of the present invention below with reference to accompanying drawing.

See also Fig. 2 to hand controller 20 shown in Figure 4, it is to see through a spool 21 pull handle 30 is articulated on the pedestal 40 together with two ratchet sheets 50.

Described spool 21 penetrates the snare end of tie 22, and residue tie 22 is wound on a reel 23 peripheries.The cross section of this reel 23 is a C shape, and two ends are incorporated into the middle part of ratchet sheet 50 respectively, is the axle center with spool 21, makes reel 23 and ratchet sheet 50 possess association each other, thereby can rotate around spool 21.

Pull handle 30 is bent with a ring plate 34 in handle bottom 31, two sidewalls 32 side by side of both sides bending, two side 32 forms first cam edge 35 and second cam edge 36 around the edge of spool 21, and relative position runs through an elongated hole 33 respectively, inserts the flank of first catch 60 in the hole.This first catch 60 is extended with an afterbody 61, and the both sides bends two forced sections 63, and forms guide surface 64 in the end of contact ratchet sheet 50 according to gradient.This afterbody 61 can enter in the ring plate 34, and outer cover a compression spring 62, and two ends conflict respectively first catch 60 and ring plate 34 are kept the elastic force that first catch 60 moves toward spool 21 directions.

40 of pedestals are bent with ring plate 43 a bottom 41, both sides bending sidewall 42 side by side, two side 42 forms a sliding tray 44 and lock slots 45 at the edge, separated by an isolation part 48 each other and come, and in the two side 42 relative positions run through an elongated hole 46 respectively, insert the flank of second catch 70 in the hole.This second catch 70 is extended with the afterbody 71 that enters ring plate 43, and afterbody 71 overcoats another compression spring 62, and two ends conflict respectively second catch 70 and ring plate 43 are kept the elastic force that second catch 70 moves toward spool 21 directions.

In addition, in sidewall 42 outsides of pedestal 40 furling mechanism 80 is installed, this furling mechanism 80 possesses association with reel 23, in order to backrush tie 22.

Pull pull handle 30 relative pedestals 40 and launch, till the setting wall of first catch, 60 conflict sliding trays 44, the amplitude maximum of the two expansion, and also first cam edge 35 of pull handle 30 also can be pushed second catch 70 open.First catch 60 this moment because the cause that end end face and tooth 51 offset drives ratchet sheet 50 and rotates a plurality of tooth pitches in the same way, allows tie 22 be wrapped in reel 23 peripheries.Disappear even if pull the application force of pull handle 30, one of two

catch

60,70 are still being kept the clip effect to ratchet sheet 50, needn't worry the problem that ratchet sheet 50 freely rotates.Certainly, tie 22 can not discharge or backrush voluntarily, the containing effect of dark tool safety in utilization.

Fig. 5 to Fig. 7 shows when pull handle 30 and pedestal 40 close up, except second catch 70 touches second cam edge 36 and backing out, lock slots 45 also can be goed deep in first catch, 60 ends, props up the arc limit 52 of ratchet sheet 50 arbitrary teeth 51 simultaneously, prevents ratchet sheet 50 to rotate arbitrarily.

When tie 22 stressed and when pulling outward, related ratchet sheet 50 rotates synchronously, and the tooth 51 that is looped around ratchet sheet 50 clashes into the guide surface 64 of first catch 60 successively, personnel are using hand controller 20 arround sending continuity sound notice, simultaneously push first catch 60 open, till external force disappears, allow first catch 60 under the elastic force effect, block the tooth 51 of ratchet sheet 50 along the gradient of guide surface 64, and then stop the outer pulling of tie 22 and do, possess with draw, with the function of stopping.

Fig. 8 shows that pull handle 30 closes up during the pedestal 40, pulls forced section 63 and first catch 60 is withdrawed from, and can remove the clip effect of ratchet sheet 50, allows reel 23 automatically and fast speed backrush ties 22.

The foregoing description for explanation the present invention, is not in order to limit the present invention only, the various variations that every those skilled in the art derive according to the foregoing description, revises and application, all falls in the category of the present invention.

Claims

1. the hand controller of tool folding and unfolding clip effect is articulated in a pull handle on one pedestal together with two ratchet sheets, and connects a scrolling spare at the pivot joint position, and this scrolling spare possesses association with the ratchet sheet, thereby can furl or discharge a tie; This pull handle has two side by side sidewalls, and one first catch is installed between the two side, and pedestal also has two side by side sidewalls, and one second catch is installed between the two side, and two catch can be kept the clip effect with arbitrary tooth around the ratchet sheet towards the motion of scrolling spare; It is characterized in that:

The sidewall edge of described pull handle forms at least one cam edge that can remove the clip relation of second catch and ratchet sheet during pull handle closes up pedestal;

Described pedestal forms the sliding tray and a lock slots of preventing first catch to swing of the related ratchet sheet of restriction first catch action radius in sidewall edge;

The described first catch end forms a guide surface according to gradient, and offsets with arbitrary tooth around the ratchet sheet during pull handle closes up pedestal.

2. the hand controller of tool folding and unfolding clip as claimed in claim 1 effect is characterized in that: outside installation one of described pedestal and scrolling spare possess the furling mechanism of association.

3. the hand controller of tool folding and unfolding clip as claimed in claim 1 or 2 effect is characterized in that: described scrolling spare is two to furl or discharge the semiaxis of tie.

4. the hand controller of tool folding and unfolding clip as claimed in claim 1 or 2 effect is characterized in that: it is outside and can furl or discharge the reel of tie that described scrolling spare is that a spool and is enclosed within this spool.