CN2330578Y

CN2330578Y - Hand pull device of double safety switch

Info

Publication number: CN2330578Y
Application number: CN 98218232
Authority: CN
Inventors: 黄汉卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-07
Filing date: 1998-08-07
Publication date: 1999-07-28
Anticipated expiration: 2008-08-07

Abstract

The utility model relates to a hand pull device with a double safety switch, comprising a main body and a handle. The main body and the handle are combined together using a core shaft in a pivot mode. A pair of ratchet wheels is fixed on the core shaft and rotates together with the core shaft, wherein, a cam is formed on the combination position between the main body and the handle, an upper clamping element and a lower clamping element can be movably arranged on the upper clamping trough and the lower clamping trough of the main body, the main body is provided with a prefabricated body inside, and the prefabricated can contain two elastic elements and can be combined with the upper clamping trough and the lower clamping trough, and the two sides of the arc-shaped trough are respectively provided with a movable rod, a first movable shaft, a second movable shaft, and a third movable shaft. The utility model has the advantages of simple structure, safe use, and convenient operation process.

Description

A kind of hand controller of double safety switch

The utility model relates to a kind of hand controller, especially a kind of start that utilizes two-period form can produce a safety distance automatically behind strand tight rope rope, prevent the danger that makes goods drop and be produced after unclamping because of rope, and when end of operation, can utilize the hand controller of the double safety switch that two elastic elements returns automatically.

Tradition packing tape hand controller mainly comprises a body and a handle, both utilize a mandrel and combine pivotally, a pair of ratchet be fixed on the mandrel and and mandrel transmission together, one screens element is arranged on the body the inside versatilely, and give ejection by spring and go to engage this ratchet, one driver element is arranged on the handle the inside versatilely, and give ejection by spring and go to engage this ratchet, in the time of operation, when handle near the place of body when the square body away from body rotates, this driver element can be nibbled ratchet and order about ratchet and rotate, make mandrel to rotate and be used for twisting the stringing rope, wherein, when strand stringing rope finishes, the direction of handle toward body moved, and make the screens element break away from ratchet, yet goods itself still has outward a pulling force makes ratchet because of idle running rope is totally released, do not push away at this moment if having folded complete goods when being subjected to twisting stressed that tight rope gets loose suddenly, this goods will produce the situation that drops quite easily, so if the danger that goods was produced when dropping has quite seriously influence.

Therefore there is the people to design as shown in Figure 9 a kind of hand controller, it mainly is to utilize ratchet 91 to bear all holding capacity, and each is bundled in the weighing load 5 tons of pulling force approximately slightly on the rope of hand controller, the state of Fig. 9 is then for when pulling 91 rotations of handle 90 drive ratchets, the crown 97 of first ratchet 1/95th 3 has been fastened on and has fixed element 92, and second ratchet 96 does not also produce the solid state of buckleing with the following element 93 that fixes, so waiting in the time that second ratchet 96 and the following fixing element 93 that places in the engagement groove 94 fasten, 5 tons weight is carried on the crown 97 of first ratchet 1/95th 3 fully, 97 of this crowns become design-calculated potential danger for this reason, easy excessive weight because of 5 tons concentrates on the spot pressure, at any time may cause fracture, and occur dangerous.

In addition, this structure whenever draws hand controller to unclamp the rope of 5mm approximately, with the danger that prevents from goods to be dropped after unclamping because of rope, it is the high design of a safety, but come restraint of loads because of each lorry will use six ropes usually, that is to say and to use six hand controllers simultaneously, and each hand controller to move back at least and just is totally released rope for 15 times, six hand controllers 6 * 15=90 time, each unloading will draw hand controller cooresponding effort and time-consuming in operation of 90 times.

The novel patent in Taiwan of the design people's application, its number of patent application is 86211705, and name is called " hand controller that the tool two sectional type draws back safety switch ", and open, and this structure is still unsatisfactory.

The purpose of this utility model is that a kind of hand controller will be provided, especially a kind of two sectional type operating mode of utilizing produces a safety distance, make the operator when decontroling the twist rope, can prevent the danger that goods drops, also has the effect of returning automatically, safe in utilization, the hand controller of double safety switch easily.

The purpose of this utility model is achieved in that a kind of hand controller of double safety switch, comprise a body and a handle, both utilize a mandrel and combine pivotally, a pair of ratchet is fixed on the mandrel and with mandrel and rotates together, wherein form a cam with the body place of combining at handle, on one, fix down element be arranged on movably body on, in the following engagement groove, wherein fix element down and be provided with a buckling parts, being provided with a top system seat in the body can hold and two elastic elements is set and with last, following engagement groove combination, end at body is provided with two deep-slotted chip breakers and is provided with an arc groove thereon in addition, be respectively equipped with portable bar in these deep-slotted chip breaker both sides, be equipped with portable bar on first movable axis, the deep-slotted chip breaker of body and above-mentioned two elastic elements, second movable axis combines body with portable bar and Jiong body, the 3rd movable axis is located on the portable bar.

The utility model has the advantages that:

(1) the utility model mainly bear the structure of weight be first movable axis and on elastic element, therefore in the time of in pulling the process of ratchet, can not concentrating on the same ratchet fully because of strength, and produce the danger that ratchet ruptures, thereby ensured the safety in the work.

(2) the utility model utilizes the operating process of second order segmentation, F/s can move one section deep-slotted chip breaker safety distance automatically forward, unlikelyly at once rope is loosened, prevent that known configurations goods when payout from causing taking place unnecessary danger because of dropping so can reach.

(3) because subordinate phase is when rope is loosened fully, therefore the pulling force that goods is applied to the 3rd movable axis the time does not exist, the operator can up draw pull handle and make it to snap in second groove again, and rope is loosened fully, thereby reach the purpose of returning automatically, must not utilize manpower that it is retracted original position again, operation be quite convenient and practical.

(4) the utility model is simple in structure, safe in utilization, and its operating process is quite good, since simple in structure, in use be difficult for et out of order.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the block diagram according to the hand controller of the double safety switch that the utility model proposes;

Fig. 2 is the decomposing schematic representation according to the hand controller of the double safety switch that the utility model proposes;

Fig. 3 is according to the pull handle of the hand controller of the double safety switch that the utility model proposes and the section-drawing of ratchet relation;

Fig. 4 is the section-drawing during according to the pull handle of the hand controller of the double safety switch that the utility model proposes and ratchet start;

Fig. 5 is the section-drawing when another moves according to the pull handle and ratchet of the hand controller of the double safety switch that the utility model proposes;

Fig. 6 is the side-looking action scheme drawing according to the hand controller of the double safety switch that the utility model proposes;

Fig. 7 makes scheme drawing according to the opposite side apparent motion of the hand controller of the double safety switch that the utility model proposes;

Fig. 8 is the another side-looking action scheme drawing according to the hand controller of the double safety switch that the utility model proposes;

The known hand controller structural representation of Fig. 9.

Below in conjunction with accompanying drawing and most preferred embodiment thereof the concrete structure that the utility model proposes is further described.

As shown in Figure 1, 2, the utility model comprises: a body 10 and a handle 20, and both utilize a mandrel 24 to combine pivotally, and a pair of ratchet 25 is fixed on the mandrel 24, and rotate together with mandrel 24, wherein form a cam 23 at handle 20 and body 10 places of combining.

One body, 10 1 ends are arranged with two deep-slotted chip breakers 13, outside one end of two deep-slotted chip breakers 13 all is provided with a pivot hole 131, inside one side of described deep-slotted chip breaker 13 is provided with a recessed arc groove 132, the other end of this deep-slotted chip breaker 13 then is provided with and a pair ofly is much of,

engagement groove

14,15 down, and the other end of body 10 forms first groove 101 and second groove 102.

One driver element 21 is arranged on handle 20 the insides versatilely, form a pull handle 211 at driver element 21 1 ends, and go to engage this to ratchet 25 by elastic body 22 ejection pull handles 211, when handle 20 near the place of body 10 when rotating away from the direction of body 10, this driver element 21 can be nibbled ratchet 25 and order about ratchet 25 and rotate, make mandrel 24 to rotate, thereby be used for twisting the stringing rope.

One top system seat 30 is arranged on body 10 inside, which is provided with a projection 31, and this projection 31 is provided with a through hole 311 and short slot 312, and the other end then is provided with a pair of body 32 that colludes to collude the two elastic elements 61 that is arranged on the top system seat 30.

Fix element 11 on one and be arranged on body 10 the insides respectively versatilely with the following element 12 that fixes, and on, under

fix element

11,12 both sides all are provided with a pair of stopper 113,124, described stopper 113,124 are convexly equipped with on body 10 engagement groove 14 respectively and down in the engagement groove 15, to cooperate ratchet 25 fixing effects, go up in addition, under

fix element

11,12 end all forms a salient angle 111,121, this salient angle 111, be arranged with elastic body 112 on 121,123, and be separately positioned in the through hole 311 and short slot 312 that pushes up on the projection 31 of making seat 30, generation gives in the ejection, under

fix element

11,12 go to engage this effect to ratchet 25, fix element 12 in addition down and be provided with a pair of buckling parts 122, but top lifting is used instead.

Two portable bars 50 also are provided with a deep-slotted chip breaker 51, are provided with a pivot hole 52 at the one end, and described two portable bars 50 are symmetricly set on deep-slotted chip breaker 13 both sides of body 10.

One Jiong body 40, its two ends are respectively established a torsion elastic body 41, and these torsion elastic body 41 1 ends form a hook part 42 and are located on the body 10 for described Jiong body 40 is colluded, and make first movable axis 60 form a strength that presses down.

In addition, utilize first movable axis 60 to pass the deep-slotted chip breaker 51 of portable bar 50, an end of two elastic elements 61 and the deep-slotted chip breaker 13 of body 10, portable bar 50 can be slided front and back outside the deep-slotted chip breaker 13 of body 51, then 70 of second portable bars pass the deep-slotted chip breaker 51 of portable bar 50, the pivot hole 131 of body 10 and the torsion elastic body 41 of Jiong

body

40, and 80 of last the 3rd portable bars are located on the pivot hole 52 of portable bar 50.

As shown in Figure 3, during operation when the user constantly repeats to move and retract the action of original position by handle 20 toward the direction of bodies 10, this driver element 21 can be nibbled ratchet 25 and order about ratchet 25 and rotate, make mandrel 24 to rotate, thereby can be used for twisting the stringing rope, when person to be used binds goods fully, when operator's desire is decontroled rope, as shown in Figure 4, the user need only zoom out handle 20 from body 10, and with pull handle 211 up spur make driver element 21 pull handle 211 no longer against ratchet 25, and pull handle 211 is stuck in first groove 10.

Then please consult Fig. 6,7 simultaneously, because the utility model mainly comprises two stage drawing process, when handle 20 continues to pull out and when making the cam 23 at handle 20 two ends will fix element 12 toward sinciput down, 122 of buckling partss on it have backed down first movable axis 60, with regard to state as shown in Figure 7, so on the 3rd movable axis 80 rope established of bundle be subjected to goods under back pull, and the safety distance that moves one section deep-slotted chip breaker 13 automatically forward then changes state shown in Figure 8 into, and this part is F/s operating process of the present utility model.

This moment, rope was not totally released, the operator push away folded whether stable so can watch goods, if goods pushes away folded when quite stable, the operator can loosen rope relievedly fully, just as shown in Figure 5, the operator need only up draw pull handle 211 and handle 20 be pulled backward again, and make pull handle 211 can snap in second groove 102 just, rope can be loosened fully like this, the pulling force that is applied to the 3rd movable axis 80 because of goods does not exist, thereby reach the effect of returning automatically, this part then is the operating process of the utility model subordinate phase.

Claims

1, a kind of hand controller of double safety switch, it is characterized in that: described hand controller comprises a body and a handle, both utilize a mandrel and combine pivotally, a pair of ratchet is fixed on the mandrel and with mandrel and rotates together, wherein form a cam with the body place of combining at handle, on one, fix down element be arranged on movably body on, in the following engagement groove, wherein fix element down and be provided with a buckling parts, being provided with a top system seat in the body can hold and two elastic elements is set and with last, following engagement groove combination, end at body is provided with two deep-slotted chip breakers and is provided with an arc groove thereon in addition, be respectively equipped with portable bar in these deep-slotted chip breaker both sides, be equipped with portable bar on first movable axis, the deep-slotted chip breaker of body and above-mentioned two elastic elements, second movable axis combines body with portable bar and Jiong body, the 3rd movable axis is located on the portable bar.

2, the hand controller of double safety switch according to claim 1 is characterized in that: an end of body is provided with first groove and second groove.

3, the hand controller of double safety switch according to claim 1 is characterized in that: be arranged on the top system seat of body interior, also be provided with a projection, and be provided with thereon for the through hole and the short slot that cooperate upper and lower fixing element, be provided with at the one end and collude body.

4, the hand controller of double safety switch according to claim 1 is characterized in that: solid the colluding on the body at top system seat of other end button that is located in the two elastic elements on first movable axis.

5, the hand controller of double safety switch according to claim 1 is characterized in that: upper and lower fixing element all is provided with a salient angle, is arranged with an elastic body on it.

6, the hand controller of double safety switch according to claim 1 is characterized in that: an end of the deep-slotted chip breaker of body is provided with a pivot hole.

7, the hand controller of double safety switch according to claim 1 is characterized in that: an end of the deep-slotted chip breaker of portable bar is provided with a pivot hole.