KR20170070490A

KR20170070490A - Band Clamping Head

Info

Publication number: KR20170070490A
Application number: KR1020150178063A
Authority: KR
Inventors: 오정택
Original assignee: 대일강업주식회사
Priority date: 2015-12-14
Filing date: 2015-12-14
Publication date: 2017-06-22
Also published as: KR101903016B1

Abstract

The present invention relates to a band clamping head fixed to one end of a band in which a sawtooth groove is formed to pass and fix the other end of the band. The clamping head according to the present invention comprises a body having a 'C' shape and having an inwardly directed stone piece formed on the side wall, a body having an inwardly bent portion bent inward from an upper end of the side wall, A slide groove is formed in the protrusion, and a step is formed at an upper end of the protrusion to correspond to the protrusion, and the protrusion is engaged with the body. And screw tightening bolts mounted longitudinally on the shaft holes formed on the front and rear surfaces of the guide. In the present invention, the tightening pressure by the tightening bolt is effectively canceled by the gap between the transverse irregularities of the upper surface of the guide and the upper side of the guide side grooves.

Description

{Band Clamping Head}

FIELD OF THE INVENTION The present invention relates to a clamping head and more particularly to a band clamping head used to wrap and bond two objects primarily in a band or belt tightening manner.

As a related art related to the band clamping head, there are a 'belt type clamp' disclosed in Patent No. 893038 and a 'belt type clamp' disclosed in Patent No. 1170405. In the former, there is a problem that the coupling relation between the elements is unstable and the binding force of the band is weak, so that loosening occurs. The latter is proposed to solve the above problem.

Referring to FIGS. 1 (a) and 1 (b), the latter clamp 10 includes a band 11 having continuous serrated grooves and a head 12 provided at one end of the band 11 . The head 12 includes a body 13 welded and fixed to the surface of the band 11 and a body 12 mounted in the longitudinal direction of the body 13 to form a space of a substantially hexahedron. And a fastening bolt 15 passing through the front and rear bent portions of the guide 14 and having a screw formed in the space.

Two slides 16 before and after the body 13 are formed on both side plates of the body 13 and pins 15 protruded outward in the horizontal direction so as to fit into the slots 16 are formed at both bent portions of the guide 14 17 are formed. That is, the projecting pin 17 of the guide 14 penetrates and protrudes the both side plates of the body 13 through the elongated hole 16, thereby assembling the head 12.

In this structure, the other end of the band 11 is inserted sufficiently between the body 13 and the guide 14, and then the tightening bolt 15 is tightened, so that the object can be clamped. Compared to the previous apparatus, the clamp 10 is advantageous in terms of ease of use and clamping stability. However, the structure of the clamp 10 is difficult to assemble in a narrow space and troublesome to the operator, a problem that the operator's safety may be deteriorated at all times, a problem caused by the pressure of the bolt 15, There is a problem that the entire head 12 is easily deformed.

An improved belt-type clamp disclosed in Registration Practical Utility Model No. 473144 was proposed to overcome these problems. 2 (a) and 2 (b), in the clamp 20 disclosed herein, the guide 22 is firstly bent in a manner to cover the side plate of the body 21, So that the end stopper 23 is again bent inward and inserted into the slot 24.

It should be noted that the clamp 20 disclosed in the registered utility model No. 473144 in the prior art has a somewhat advantage over the clamp 10 disclosed in the registered patent No. 1170405. However, the proton clamps 10, There is still a problem in that the design and assembly are complicated and difficult, the safety of the operator is worried, and the durability and stability of the entire clamp are deteriorated because of being vulnerable to tightening pressure.

These problems are caused by the fact that the slide slots 16 are formed in the side plates of the 'C' shaped bodies 13 and 21 while the protruding stoppers 17 and 23 at the ends of the guides 14 and 22 are inserted into the slots 16 The clamping force of the clamps 10, 20 is reduced.

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-described problems in the prior art. SUMMARY OF THE INVENTION It is an object of the present invention to provide a band clamping head which is easy to assemble a clamp, thereby ensuring the safety of an operator, and having excellent durability and stability. The inventor of the present invention has achieved the above-mentioned object by constructing an inward piece on the side wall of the 'C' shaped body and forming a corresponding slide groove on the side of the cover through the structure and concept opposite to the conventional structure structurally And completed the present invention.

The band clamping head of the present invention is means for fixing and fixing the other end of the band to one end of the band where the tooth groove is formed.

The clamping head of the present invention comprises:

A body having a bottom surface and an opposite side wall fixed to one end of the band, the body having a "c" shape, an inward stone piece formed on the side wall, and an inward bent portion bent inward from an upper end of the side wall;

A cover member disposed inside the side wall, wherein a slide groove is formed on the lower side of the side wall, and a step corresponding to the lower edge is formed on the upper side of the guide groove, the guide being inserted into the body;

A fastening bolt mounted on the shaft hole formed on the front and rear surfaces of the guide and having a screw engaged with a tooth groove of the band disposed on a bottom surface of the body at an intermediate portion thereof;

.

Particularly in the present invention, in order to prevent deformation of the body and guide by attenuating the pressure of the tightening bolt,

The upper surface of the guide is formed with at least one transverse concave-

Preferably, the side surface of the guide is formed such that an upper portion of the groove is cut and has a clearance gap.

On the other hand, the protrusions were obtained by cutting the side wall. In addition, at both ends or the upper end of the side wall, an inwardly bent stopper is formed to prevent excessive movement and dropout of the guide. At this time, the stopper on the upper side can contact the upper surface portion of the guide.

According to the band clamping head of the present invention, the guide on the inside of the body is simply engaged while the lower groove portion is stuck to the protrusion and the upper edge of the lower edge is inserted into the inner edge. Therefore, the clamp is easily assembled, and there is no fear that the user or the operator will be damaged. In addition, the coupling relationship between the components is superior to the construction of the fastening fin or the like, and therefore, is excellent in terms of durability and stability of the clamping head.

Particularly, the upper surface of the guide includes at least one transverse convexo-concave portion. Preferably, the side surface of the guide is cut so as to have a clearance gap at an upper portion of the groove, so that the guide can attenuate the pressure of the bolt Therefore, there is a very advantageous effect in terms of durability and stability of the clamping head.

1 (a) and 1 (b) show a belt-type clamp according to the prior art.
2 (a) and 2 (b) are views showing a belt-type clamp according to another conventional technique.
3 is a perspective view of a clamping head according to the present invention;
4 is an exploded view of Fig.
5 is a cross-sectional view taken along the line A-A '
Fig. 6 is a use state diagram of the clamping head according to the present invention. Fig.

The features and effects of the band clamping head of the present invention (hereinafter referred to as " clamping head ") described or not described above will become more apparent from the following description of the embodiments with reference to the accompanying drawings. 3, the clamping head of the present invention is labeled 100.

3, the clamping head 100 of the present invention includes a body 110 having a U-shaped space, a guide 120 disposed in a longitudinal direction of the body 110, And a tightening bolt 130 mounted to the shaft hole formed on the front and rear surfaces of the shaft bolt 130 in the longitudinal direction.

4 and 5, the body 110 includes a bottom surface 111 which is fixed by being fitted to one end of a band ('140' in FIG. 6) Shaped space including the side walls 112a and 112b integrally. As a means for mounting and securing the guide 120, the side walls 112a and 112b are provided with inwardly projecting pieces 113 and the upper ends of the side walls 112a and 112b are provided with inwardly bent ridges 114 Is formed.

That is, the guide 120 is disposed in the inner space of the body 110, and the lower end thereof is mounted on the protrusion 113 and the upper end thereof is supported on the inner protrusion 114, And is fixed so as to be slidable at regular intervals. In the present embodiment, the protrusion 113 is obtained by cutting the side walls 112a and 112b and bending inward, but may be protruded only from the side walls 112a and 112b.

The guide 120 is a cover member disposed inside the side walls 112a and 112b of the body 110. [ Specifically, a slide groove 122 is formed at the lower end of the side surfaces 121a and 121b, and a step 124 is formed at an upper end of the slide groove 122, According to this structure, the guide 120 is sandwiched between the protrusion 113 and the inner jaws 114, and is fixed and slidable by the length of the groove 122.

The coupling structure of the body 110 and the guide 120 is advantageous compared to a conventional clamp structure in terms of rigidity and stability as well as easy assembly. Naturally, the width of the groove 122 is larger than the width of the protrusion 113.

On the other hand, inwardly bent stoppers 115 and 116 are formed at both ends or upper ends of the side walls 112a and 112b of the body 100 to prevent excessive movement and dropping of the guide 120 . At this time, the upper stopper 116 is configured to contact the upper surface 125 of the guide 120. This helps to prevent the top surface 125 from bulging or the entire guide 120 being lifted due to the application of tightening pressure.

The fastening bolt 130 is longitudinally mounted on the shaft hole 126 formed on the front and rear surfaces of the guide 120 and the fastening bolt 130 is mounted on the bottom surface 111 of the body 110, 140 formed on the outer circumferential surface thereof. When the tightening bolt 130 is rotated, the band 140 moves little by little to tightly couple the object with the tightening pressure. At this time, the tightening pressure is transmitted to the entire body 110 and the head 100 through the guide 120 .

Actually, when the tightening pressure by the tightening bolt 130 is excessive, deformation occurs not only in the guide 120 but also in the entire body 110 and the head 100. Therefore, the clamping head 100 of the band is required to have such a configuration that it can withstand such pressure without damping, absorbing, or deforming.

For this purpose, in order to prevent deformation of the body and guide by damping and absorbing the pressure of the tightening bolt, at least one longitudinal uneven portion 127 is formed on the upper surface 125 of the guide 120 . In order to prevent the sidewalls 112a and 112b of the body 110 from spreading outward, the tightening pressure is applied to the upper surface 125 of the guide 120, At least the longitudinally-extending uneven portions 127 are formed.

Although not shown, transverse irregularities may be formed on the upper surface 125 of the guide 120 in other embodiments, in which case, before the tightening pressure is transmitted to the side walls 112a, 112b of the body 110, And is absorbed and canceled directly on the upper surface 125 of the substrate 120. As described above, the recessed / projected portion 127 elastically damps and absorbs the tightening pressure, so that deformation of the clamping head 100 and its constituent elements 110 and 120 can be prevented very effectively. Although the concavo-convex part 127 is shown as one in the drawing, a plurality of concavo-convex parts 127 may be continuously arranged.

For the same purpose, in this embodiment, one side of the concave-convex portion 127 of the upper surface 125 is formed as the empty space 123. This space 123 provides a predetermined cushioning distance in the direction in which the pressure is applied, thereby having a considerable effect in relieving the aforementioned tightening pressure.

6, the clamping head 100 of the present invention is fixedly connected to the fixed end 141 of the band 140, in which the free end 142 of the band 140 is fixed to the bottom of the body 110 And passes through the clamping head 100 while contacting the upper surface of the surface 111. Of course, in the band 140, two elements to be coupled to each other are arranged in an overlapped state, and the surface of the outer element is in contact with the inner surface of the band 140.

After the process in which the worker can push and move freely, the tightening bolt 130 is tightened to apply pressure. At this time, when the fastening bolt 130 is rotated, the screw 131 engaged with the toothed groove 143 of the band 140 is rotated, thereby gradually pushing and advancing the band 140. And when the progress of the band 140 is no longer possible, the clamping head 100 is fixed in that state. At this time, since the tightening pressure applied to the clamping head 100 is effectively treated by the irregularities 127 of the upper surface 125 of the guide 120 and the gaps 123 between the side surfaces 121a and 121b, The components 110 and 120 are stable and the fixed state can be maintained firmly.

100. Clamping head
110. Body 111. Bottom surface
112a, 112b. Side wall
113. Stones 114. Inner chin
115, 116. stopper
120. Guide 121a, 121b. side
122. Groove 123. Space
124. Step 125. Top surface
126. Axis 127. Unevenness
130. Fastening bolt 131. Screw
140. Band

Claims

A band clamping head fixed to one end of a band (140) having a serrated groove to pass and fix the other end of the band (140)
Shaped structure including a bottom surface 111 fixed to one end of the band 140 and opposite side walls 112a and 112b and an inwardly protruding piece 113 formed on the side wall, A body 110 having an inwardly bent inward protrusion 114 formed at an upper end of the body 110;
A slide groove 122 is formed at the lower end of the side walls 121a and 121b and a step 124 is formed at an upper end of the slide groove 122, A guide 120 which is fitted to and joined to the guide member 120;
A screw (not shown) engaging with a toothed groove 143 of the band 140 disposed on the bottom surface 111 of the body, 131) are formed;
/ RTI >
At least one longitudinal or transverse uneven portion 127 is formed on the upper surface 125 of the guide in order to prevent deformation of the body 110 and the guide 120 by attenuating the tightening pressure of the tightening bolt 130. [ &Lt; / RTI >
And the band clamping head.

The method according to claim 1,
Wherein an empty space (123) for buffering the tightening pressure is formed on one side of the concave-convex part (127) of the upper surface (125).

The method according to claim 1,
Wherein said protrusion (113) is obtained by cutting off side walls (112a, 112b).

The method according to claim 1,
And stoppers (115, 116) bent inward are formed at both ends or upper ends of the side walls (112a, 112b) to prevent excessive movement and dropout of the guide (120).