KR20140078071A

KR20140078071A - Multi purpose tongs

Info

Publication number: KR20140078071A
Application number: KR1020120146977A
Authority: KR
Inventors: 김성원
Original assignee: 김성원
Priority date: 2012-12-15
Filing date: 2012-12-15
Publication date: 2014-06-25

Abstract

The present invention relates to multipurpose tongs including a handle with a lever engaged to one side thereof; a bar engaged with the handle at one end thereof; a tongs part hinged to the other end of the bar and operated to open or close; an operating rod inserted into the bar, with one end being connected to the handle and the other end being connected to the tongs portion; and a drive unit provided in the handle and operated in cooperation with the operation of holding or releasing the lever, by which the rotation movement is converted into the straight movement of the operating rod. The drive unit has a locking stepped portion formed at one end of the lever, a driven link engaged with one end of the locking stepped portion, hinged by a shaft pin serving as a center point of the rotation movement, and connected to the operating rod at one end thereof, and a resilient member provided in the handle and resiliently supporting a rear end of the operating rod. Therefore, a rotation force of the lever is directly transmitted to the operating rod by the driven link using a leverage effect to increase the pressing force of the lever, and thus the holding operation of the tongs is correctly carried out to improve the efficiency of work at a height position, such as a harvester for fruits.

Description

{MULTI PURPOSE TONGS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multipurpose forceps, and more particularly, to a multipurpose forceps that can be applied to a work of organizing objects and a fruit harvesting work by holding a remote object.

In general, the multipurpose tongs are designed to pick up a distant object instead of a hand, allowing the work to be carried out at a distance that can protect the hand and not reach directly by the hand.

Generally, the multipurpose forceps were mainly used for arranging shoes in a restaurant, or in an orchard.

In other words, it is necessary to bend the waist every time at the restaurant and put it in the shoe box after catching the shoes. Therefore, there is a problem that the operator puts the load on the user's waist. Also, when the fruit is harvested, .

Therefore, a multi-purpose gripper has been developed and marketed to solve the difficulty of such a long distance work.

As a prior art of the multipurpose forceps, domestic patent publication No. 10-2011-0127368 has been disclosed.

In the prior art, a hollow support bar has a handle on one side and a T-shaped fixing plate on the other side. The return spring and the lever are positioned inside the handle and assembled with a hinge pin. At the tip of the lever, .

And the engaging pin of the other side of the iron core is connected to a pair of grippers provided on the fixing plate.

Therefore, when the lever is pulled, the gripping operation of the gripper portion is caused to pick up the object.

However, in the related art, when the length of the support rod is made long, for example, in case of a high altitude work in the orchard, it is necessary to make the support rod long, so that the length of the support rod needs to be long.

Accordingly, the length of the iron core becomes long. However, when the length is made long, a great deal of force is required to operate the lever, and furthermore, the gripping force of the gripper portion is remarkably lowered as the distance increases.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to improve a power transmitting means for causing a clamping operation of a clamping unit to perform a force transmission reaction quickly, So that the work can be smoothly performed, and the work efficiency can be improved.

The above object of the present invention can be achieved by a handle having a lever coupled to one side thereof; A holding bar having one end coupled to the handle; A clamping unit hinged to the other end of the strut and clamped and operated; And an operation lever inserted into the inside of the support rod and having one end connected to the handle, and the other end connected to the support member, wherein the multi-purpose support member is formed inside the handle, And a driving unit that rotates together and converts the rotational motion into a rectilinear motion between operations, the driving unit comprising: a latching step formed at one end of the lever; A driven link in which one end of the engagement step is engaged, a shaft pin which is a center point of the rotation operation is hinged and the other end is hinged to a pin between operations; And an elastic means interposed in the inside of the handle and elastically supported at a rear end of the operation.

A housing is coupled to one side of the handle, an operating lever is coupled to the inside of the housing, and a latching step of the lever and a driven link are hingedly coupled to the inside of the housing.

The lever has an arc-shaped grip portion formed on an outer circumferential surface thereof, and is coupled to one end of the lever with a handle as a shaft pin to rotate.

And a support member having a head portion having a diameter larger than that of the operation portion is coupled to a rear end of the operation portion, and elastic means is supported on a head portion of the support member.

And the elastic means is a coil spring.

Wherein the clamping unit comprises: an intermediate plate coupled to the other end of the strut and having an operating slot; First and second clamp pieces disposed on the upper and lower surfaces of the intermediate plate and coupled to the hinge pin, the first and second clamp holes being formed to be inclined, respectively; And an operation hole inserted into the operation slot of the intermediate plate and coupled to the other end of the operation and having a hinge shaft pin inserted into the first and second operation holes.

And the actuating member is screwed and engaged and detachable between operations.

The first and second clamp pieces are formed by folding the outer periphery to one side to form a folded portion so that the stiffness is strengthened.

And a nip plate having protrusions is formed at the inner periphery of the first and second clamp members to strengthen the clamping force.

According to the present invention, since the rotational force of the lever is directly transmitted between the operations by the driven link applying the principle of the lever, the pressing force of the lever can be increased so that the clamping operation of the clamp can be accurately performed, So that the efficiency of the system can be improved.

1 is a perspective view of a multipurpose gripper according to the present invention,
2 is an exploded perspective view of a multipurpose gripper according to the present invention,
FIGS. 3 and 4 are plan views illustrating the operation of the 'gripper' in the multipurpose gripper according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a multipurpose gripper according to the present invention, FIG. 2 is an exploded perspective view of the multipurpose gripper according to the present invention, and FIGS. 3 and 4 are views showing the operation Fig.

1 to 4, a multipurpose gripper A according to an embodiment of the present invention includes: a handle 1 having a lever 4 coupled to one side thereof; A holding rod (2) having one end coupled to the handle (1); A clamping unit 3 hinged to the other end of the strut 2 and clamped and operated; And an operation lever 5 inserted into the inside of the support rod 2 and having one end connected to the handle 1 and the other end connected to the support member 3.

And a driving unit R which is formed inside the handle 1 and rotates in conjunction with an operation of grasping or holding the lever 4 and which converts the rotational motion into a linear motion of the operating lever 5. [

As shown in FIG. 2, the driving unit R includes a latching step 42 formed at one end of the lever 4; A driven link 44 to which one end of the engaging step 42 is engaged, an axial pin which is a center point of the rotary operation is hinged and the other end is hinged to the operation interspace 5 by a pin; And an elastic means (46) interposed inside the handle (1) and resiliently supported at the rear end of the operating space (5).

The handle 1 is formed in a cylindrical shape so as to be easily gripped by one hand, the outer circumferential surface is convex, a space is formed in the inside, and a housing 7 is coupled to one side.

The housing 7 is formed at one side thereof with a coupling portion 72 having threads formed on the outer periphery thereof so as to be threadedly engaged with the handle 1 and is provided with an engagement step 42 of the operation lever 5 and the lever 4, A slit 76 is formed on the lower side so that the lever 4 and the driven link 44 can be rotated outwardly while the other side is provided with a fitting portion 74 to which the support rod 2 is coupled, .

The lever 4 is formed by pulling a metal plate in a specific shape and has a grip portion 41 formed on its outer circumferential surface with a groove formed therein for easy gripping and has an arc-shaped engaging step 42 formed on one side thereof. Is inserted into the slit (76) and is coupled to the handle (1) by being coupled with the shaft pin.

When the lever 4 is rotated, the driven link 44 is rotated so that the driven link 44 is rotated. When the lever 4 is rotated, the driven link 44 is connected to the driven link 44, (5) is moved forward and backward.

The operation space 5 is a metal rod which is inserted into the inside of the support rod 2 and has a flat surface portion 54 formed at one end thereof and inserted into the housing 7, One end of the link 44 is hinged.

A support base 56 having a head 58 having a larger diameter than the operation gap 5 is formed at a rear end of the operation space 5 and an elastic means 46 is supported on the head 58 of the support base 56 The elastic means 46 is interposed in the inside of the knob 1. Fig.

The resilient means 46 is a coil spring which exerts a force pushing the support table 56 and the operation space 5 toward the grip portion 3.

The support rod 2 is a cylindrical pipe and has a predetermined length. The housing 7 is coupled to one end and the intermediate plate 59 is welded to the other end.

The operation lever 5 is inserted into the support rod 2. One end of the operation lever 5 is hingedly engaged with the driven lever 4 as described above, An actuating member 6 for actuating operation is engaged.

The gripping part 3 is a part where an operation of picking up an object is performed and includes an intermediate plate 59 which is joined to an end of the strut 2 and has an operation elongated hole 592 and an intermediate plate 59 which is superimposed on the upper and lower parts of the intermediate plate 59 And first and second clamp pieces 31 and 32 arranged and connected by a hinge pin 33.

The first and second clamp pieces 31 and 32 are formed with first and second actuating holes 310 and 320, respectively, which are inclined in the disc portion C formed in each of the first and second clamp pieces 31 and 32. The first and second actuating holes 310 and 320 are symmetrically formed so that they are arranged in a substantially "?" Shape when viewed from above.

A hinge shaft pin 34 is coupled to one end of the first and second actuating holes 310 and 320 and the hinge shaft pin 34 is coupled to one end of the actuating hole 6, The operation slot 591 of the intermediate plate 59 is inserted.

An end of the strut 2 is welded while being inserted into an operation elongated hole 591 formed in the intermediate plate 59 and a thread 52 is attached to the distal end of the operation rod 5 inserted into the strut 2 And is screwed into the actuating hole 6 inserted in the working elongated hole 592. [

Therefore, the operation opening 6 is moved forward and backward along with the forward and backward movement of the operating lever 5, and the hinge shaft pin 34 is moved back and forth along the first and second operating holes 310, The second clamping pieces 31 and 32 are pinched or widened, thereby causing the clamping operation.

That is, when the operating lever 5 is advanced by the pushing force of the rear elastic means 46, the hinge shaft pin 34 advances along the first and second actuating holes 310 and 320 so that the first and second clamp pieces 31, 32).

On the contrary, when the lever 4 is tilted, the driven link 44 is rotated, and when the operating lever 5 is retracted, the hinge shaft pin 34 is moved backward along the first and second operation holes 310 and 320, 1 and the second clamping pieces 31, 32 are pinched and engaged.

On the other hand, the first and second clamp pieces 31 and 32 are formed by folding the outer periphery of each disk portion C to one side to form the fold portion 36, so that the reinforcement can be strengthened. That is, when a heavy object is picked up, since there is a closed end of the clamping piece due to the load, the folding portion 36 may be formed to enhance the strength.

In addition, a nip plate 35 having projections is formed on the inner peripheral edge of the first and second clamp pieces 31 and 32 so as to strengthen the clamping force.

(Not shown) is attached to one side of the first and second clamp pieces 31 and 32 so as to correspond to the curvature of the fruit so as to enlarge the ground contact area on the outer surface of the fruit, It can be performed smoothly and accurately.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

1: handle 2: holding rod
3: forceps 4; lever
5: Operation 6: Operation
7: housing 31: first clamp
32: second clamp 42: clamping step
44: Passive link 46: Elastic means

Claims

A handle having a lever on one side; A holding bar having one end coupled to the handle; A clamping unit hinged to the other end of the strut and clamped and operated; And an operation lever inserted into the inside of the support rod and having one end connected to the handle and the other end connected to the support member,
And a driving unit that is formed inside the handle and rotates in conjunction with an operation of grasping or releasing the lever and converts the rotary motion into linear motion between operations,
The driving unit includes:
An engaging step formed on the lever;
A driven link in which the engagement step is engaged at one end, a shaft pin which is a center point of the rotation operation is hinged, and the other end is hinged to a pin between operations;
Elastic means interposed inside the handle and resiliently supported at a rear end of the operation;
And a plurality of pliers.

The method according to claim 1,
Wherein the housing is coupled to the handle, and the operation lever is coupled to the inside of the housing, and the latching step of the lever and the driven link are hinged to the inside of the housing.

The method according to claim 1,
Wherein a support having a head larger in diameter than that of the operation is coupled to a rear end of the operation, and elastic means is supported on a head of the support.

The method according to claim 1,
The clamp
An intermediate plate coupled to the other end of the strut and having an operating slot;
First and second clamp pieces disposed on the upper and lower surfaces of the intermediate plate and coupled to the hinge pin, the first and second clamp holes being formed to be inclined, respectively;
An operating member inserted into the operation slot of the intermediate plate and coupled to the other end of the operation, the hinge shaft pin being inserted into the first and second operation holes;
And a plurality of pliers.

5. The method of claim 4,
Wherein the actuating member is screwed and engageable and detachable between operations.

5. The method of claim 4,
Wherein the first and second clamp pieces are formed by folding the outer periphery to one side to form a folded portion so as to strengthen the stiffness.