KR200496311Y1 - Band clamp for fastening the boot of a car constant velocity joint that can prevent damage and balanced pulling of the ear - Google Patents

Abstract

The present invention relates to a band clamp for fastening a car constant velocity joint boot capable of balanced pulling and damage prevention of ear parts, and more specifically, first and second fastening parts (110, 120), and the first, second, and third parts formed on one side of the first fastening part 110 and sequentially formed at regular intervals from the outside toward the central portion of the band body 100. Spaced apart from the fastening holes 111, 113, 115, the third fastening hole 115, and the ear part 117 having a dimple 117a formed thereon, and spaced apart from the rear of the ear part 117 It is formed on one side of the tongue groove 119 and the second fastening part 120, but is formed sequentially at a predetermined interval from the outside toward the center of the band body 100, the second and third fastening holes 113 and 115 ) and each stopper 121 inserted into the first fastening hole 111 and the stopper 121 for fixing the first and second fastening parts 110 and 120. A vehicle constant velocity joint boot In the fastening band clamp, when the ear part 117 is pushed inward from both sides to temporarily fasten the band clamp between the ear part 117 and the tongue-in-groove 119, the ear part 117 is centered To form a balance holding hole 118 to enable balanced pulling on both sides, and the dimples 117a of the ear portion 117 are formed to a size of 1/3 based on the upper side of the ear portion 117, , It is possible to form and minimize the size of the ear portion in a balanced bending and uniform shape, thereby preventing damage and breakage of the ear portion, and when bending the ear portion, through a balance maintaining groove, both sides of the ear portion as the center By being pulled in a balanced way, it is possible to prevent the short circuit of the band, and when fastening to the car constant velocity joint boot, when rotating, the centrifugal force is minimized by the minimized ear part to suppress noise, while the durability of the band even when used for a long time It is a useful device that can increase

Description

Band clamp for fastening the boot of a car constant velocity joint that can prevent damage and balanced pulling of the ear}

The present invention relates to a band clamp for fastening a car constant velocity joint boot capable of balanced pulling and damage prevention of ear parts, and more particularly, when the first and second fastening parts of the band are fastened, damage or damage to the first and second fastening parts is performed. , short circuit, can prevent disproportionate bending of the ear part due to excessive pull on one side, and can prevent breakage, damage, and short circuit of the ear part when bending the ear part. It is a technology related to a band clamp for fastening a joint boot.

In general, in assembled parts such as automobiles and industrial equipment, many hoses connect various devices and devices, and the outer surface of these hoses is wrapped around the outer surface of the hose to prevent fluid such as lubricant contained in the hose from leaking. there is.

Therefore, even in the case of automobiles, a boot, which is a hose made of rubber or synthetic resin that accommodates lubricating oil in a constant velocity joint, is used, and as a fastening band for fastening and fixing the outer surface of the boot, a toggle-type fastening band and an ear-type fastening band are used. ) is widely used.

Registration No. 10-1013358 (Special), by tightening and combining the boot used in the constant velocity joint of the vehicle, it constitutes a fastening band constituting a fastening part having a locking means on the front of the main body and a fastening part equipped with a fastening means on the rear. In the main body, a provisional fastening piece is formed in the front fastening part based on the stepped bending concave portion, and a guide hole formed with a width gradually narrowing toward the front clamp and the front clamp is formed in the rear clamp at the rear of the front clamp However, at the time of provisional fastening, the temporary fastening piece is inserted into the rear of the guide hole, and when tightened for fastening, the temporary fastening piece is guided and supported by the guide hole and tightened toward the front clamping hole, thereby reducing the eccentricity of the main body to be banded It is configured to prevent, and the rear clamp having the fastening part is located in the guide hole during temporary fastening and then positioned at the bottom of the front clamp when tightened for fastening, and the fastening pieces of the fastening part are located in the guide hole and fastening hole of the fastening part It is a technology related to a fastening band for a boot of a constant velocity joint configured to engage each hook and to make bending by inserting an inserting part of the fastening part into the bottom of the bent concave part.

Registration No. 20-0488992 (Seal) In the clamp band including a body portion provided in a ring shape, clamped through a clamping device and prevented from loosening by bending one end to cover the other end, formed by punching a hole in one direction of the body portion a first opening including a first binding hole and one or more second binding holes located in the other direction of the first binding hole; A first fastening part including a main fastening part provided on the other side of one surface of the body and formed in a hook shape toward one direction of the body part and one or more auxiliary fastening parts provided on the other side of the main fastening part; a clamping part provided between the first opening and the first fastening part and protruding toward one surface of the body part; a second opening located on the other side of the clamping part and formed by being perforated from the body; And a second fastening part that is located on the other side of the first fastening part and includes a first guide member having an inclined surface protruding toward one side of the body part toward one side and a second guide member having a hemispherical shape, and , Before the clamping part is clamped by the clamping device, the main fastening part and the auxiliary fastening part are provided in one direction of the first fastening hole and the second fastening hole, and the first guide member and the second guide member are Located below the clamping part and below the second opening, respectively, and when the clamping part is pressed and clamped by the clamping device, the main fastening part and the auxiliary fastening part are inserted into the first fastening hole and the second fastening hole. The first guide member and the second guide member are inserted into the second opening, and when the clamping device releases the clamping portion, the main fastening portion moves in one direction within the first coupling hole, It is caught and fastened to one surface of the body part and the inner surface of the first binding hole, and the auxiliary fastening part moves in one direction within the second binding hole and is caught and fastened by the second binding hole, and the first guide member As it moves in one direction from the second opening and is located below the clamping part, the second guide member moves in one direction in the second opening and the outer surface is caught and fastened to the inner surface of the second opening, Prevents the body from loosening, and the body is located on the other side of the second opening and protrudes from the other side of the body. It further includes a concave portion engraved in a “V” shape, and embossed portions and intaglio portions are provided on an outer surface of the jaw and an inner surface of the concave portion to have an irregular arrangement, and the embossed portion and the intaglio portion are mutually connected when the clamping portion is clamped. According to the frictional force generated in contact, the twisting and loosening of the other end of the body part is prevented, and the curved section of the clamping part has an “M” shape. Accordingly, it is more easily clamped with a small force by the clamping device, a plurality of fine irregularities are provided on the other surfaces of the first opening and the second opening in an irregular arrangement, and the body is provided in a ring shape. relates to an ear clamp band in which loosening is prevented by a frictional force between the body portion and one surface of the body portion positioned below the fine irregularities when the clamping portion is clamped.

The above-mentioned conventional techniques are generally described as a technique for preventing the fastening force and loosening of the band. However, when the band is fastened, the ear part is usually bent and pulled from both sides around the ear part. In this case, the ear part is bent unbalanced by grooves or holes formed on both sides around the ear part, and accurate fastening is performed. Not only is this difficult, but there are problems such as damage, breakage, short circuit of the ear part due to unbalanced bending of the ear part, and balanced pulling around the ear part is not achieved, resulting in damage, short circuit, or breakage of a part of the band body. These are skills that have to be done frequently.

When fastening to the car constant velocity joint boot with the above technology, due to the imbalance of the ear part and excessive pulling of one side of the band body, when used for a long time, the band is separated from the boot or the centrifugal force is greater, so when driving a vehicle There are problems that may occur as a cause of noise.

Therefore, there is a technology capable of constructing an ear band having an ear portion so as to have a minimum centrifugal force when fastened to a vehicle constant velocity joint boot, and to enable balanced bending of the ear portion and balanced pulling of the band body. It is necessary.

The present invention has been devised to solve the above problems of the prior art, by forming a balance holding hole between the ear portion of the band clamp and the tongue groove to fasten to the automobile constant velocity joint boot, when the ear portion is pressed and bent, the above A balanced shape of the ear portion can be formed so that the band body is pulled in a balanced manner on both sides of the ear portion, and the width of the ear portion is uniformly adjusted to prevent damage and short circuit of the band, so that the car constant velocity joint boot When tightening, centrifugal force is minimized to suppress vehicle noise, etc., and a dimple is formed in the center of the ear part with a size of 1/3 of the upper area of the ear part, so that when the ear part is bent, the ear part is damaged or damaged , It was completed as a technical task with an emphasis on providing a band clamp for fastening the car constant velocity joint boot, which can prevent damage and balanced pulling of the ear parts to prevent short circuits.

Accordingly, the present invention is composed of a band body 100 composed of first and second fastening parts 110 and 120 formed to extend from the central part in one side and the other direction, and configured on one side of the first fastening part 110. The first, second, and third fastening holes 111, 113, and 115 sequentially formed at regular intervals from the outside toward the central portion of the band body 100, and the third fastening hole 115 are spaced apart from the rear and at the top. The ear part 117 in which the dimple 117a is formed, the tongue-in-groove 119 spaced apart from the rear of the ear part 117, and one side of the second fastening part 120, but from the outside, the band body ( 100), each stopper 121 fitted into the second and third fastening holes 113 and 115, and the first In the band clamp for fastening the boot of the constant velocity joint of a vehicle composed of the interlock 123 for fixing the two fastening parts 110 and 120, the band clamp between the ear part 117 and the tongue-in-groove 119 When bending the ear part 117 by pushing it inward from both sides for fastening, a balance holding hole 118 is formed to enable balanced pulling of both sides around the ear part 117, and the ear part ( The dimples 117a of 117) are formed to be 1/3 the size of the upper side of the ear part 117, and the balance maintenance hole 118 is the second fastening hole 113 or the third fastening hole ( 115) and its size are formed to correspond or are formed to be spaced apart at regular intervals in a divided form, and the sum of the divided balance maintaining holes 118 is the second fastening hole 113 or the third fastening hole 115 The interlock 123 extends from the second fastening part 120 and is bent, and its end is formed in the other direction where the stopper 121 is formed, and the first fastening hole When inserted into 111, it is configured to press and fix the upper side of the first fastening part 110 to the bent lower side, and the interlock 123 is formed larger than the stopper 121, and one or in multiple pieces in divided form A band clamp for fastening a car constant velocity joint boot capable of balanced pulling and damage prevention of the ear portion, characterized in that formed.

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According to the band clamp for fastening the car constant velocity joint boot, which is capable of balanced pulling and damage prevention of the ear part of the present invention, the band clamp maintains its original purpose as it is, and at the same time, it forms a balanced bend and uniform shape of the ear part and its size. It can be minimized, so it is possible to prevent damage or breakage of the ear part, and when bending the ear part, it is possible to prevent short circuit of the band by being pulled in a balanced way from both sides centering on the ear part through the balancing groove. When fastened to the constant velocity joint boot, during rotation, the centrifugal force is minimized by the minimized ear portion to suppress noise, while it is a useful design that can increase the durability of the band even during long-term use.

1 is a perspective view showing a preferred embodiment of the present invention
Figure 2 is an enlarged view showing a preferred embodiment of the present invention
3 is a plan view showing a preferred embodiment of the present invention
Figure 4 is a perspective view showing a preferred embodiment of the fastened band clamp of the present invention;
Figure 5 is a front view showing a preferred embodiment of the fastened band clamp of the present invention
Figure 6 is a cross-sectional view showing a preferred embodiment of the fastened band clamp of the present invention
7 is a view showing a preferred embodiment of the present invention
8 is a view showing another embodiment of the balancing hole of the present invention
9 is a view showing another embodiment of the interlock of the present invention

When the first and second fastening parts of the band are fastened, the present invention can prevent breakage, damage, short circuit, and unbalanced bending of the ear part due to a lot of pulling on one side of the first and second fastening parts, and when bending the ear part, Provided is an ear band clamp for fastening a constant velocity joint boot of a vehicle that can prevent breakage, damage, and short circuit of the ear part and prevent breakage.

Hereinafter, a preferred embodiment of the present invention for achieving the above object in relation to the accompanying drawings will be described with reference to FIGS. 1 to 9.

First, prior to explaining the present invention, the configuration will be described with reference to FIG. 1,

A band body 100 composed of first and second fastening parts 110 and 120 extending from the central portion in one and the other direction, and a band body formed on one side of the first fastening part 110 from the outside ( 100), the first, second, and third fastening holes 111, 113, and 115 sequentially formed at regular intervals in the direction of the central portion, and the third fastening hole 115 spaced apart from the rear but having a dimple 117a at the top The formed ear part 117, the tongue-in-groove 119 spaced apart from the rear of the ear part 117, and the second fastening part 120 are configured on one side, but from the outside toward the center of the band body 100 Each stopper 121 is formed sequentially at a predetermined interval and is inserted into the second and third fastening holes 113 and 115, and the first and second fastening parts ( In the band clamp for fastening the boot of a constant velocity joint of a vehicle composed of the interlock 123 for fixing the 110 and 120, the band clamp is connected between the ear portion 117 and the tongue-in-groove 119 for temporary fastening When the portion 117 is pushed inward from both sides and bent, a balance holding hole 118 is formed to enable balanced pulling of both sides around the ear portion 117, and the dimple of the ear portion 117 (117a) is formed with a size of 1/3 based on the upper side of the ear part 117.

That is, the present invention additionally forms a balance holding hole 118 in the configuration of a conventional band clamp for fastening the car constant velocity joint boot, and minimizes the size of the dimple 117a of the ear portion 117, finally the ear portion When bending by pressing both sides of 117, the bending width of the ear part 117 can be formed uniformly and in a balanced way, so that damage, breakage, short circuit, etc. of the first and second fastening parts 110 and 120 can be prevented. On the other hand, there is an effect of preventing self-damage, breakage, and short circuit of the ear part 117 .

As shown in FIG. 2, the band body 100 is substantially composed of first and second fastening parts 110 and 110, and the first fastening part 110 includes first, second and third fastening parts. The fastening holes 111, 113, and 115 are formed sequentially, and the ear part 117 having the dimple 117a is formed at the rear of the third fastening hole 115, and at the rear of the ear part 117 A balance holding groove 118 and a tongue-in-groove 119 are sequentially formed.

As shown in FIG. 2, in the second fastening part 120, stoppers 121 fitted into the first and second fastening holes 111 and 113 are formed spaced apart at regular intervals, and the rear of the stopper 121 After being inserted into the third fastening hole 115, the interlock 123 is formed by pressing the bent lower end by pressing and fixing the first fastening part 110.

That is, in the present invention, as shown in FIG. 4, before fastening to the vehicle constant velocity joint boot, it is usually tentatively fastened. The stopper 121 and the interlock 123 are inserted, and the interlock 123 is bent using a pressing means, etc., and the lower end of the interlock 123 presses the first fastening part 110 to fix it will make

On the other hand, the ear part 117 has a dimple 117a having a certain depth and width in the upper center portion, and the dimple is formed to a size of 1/3 of the width of the left and right and front and back of the ear part 117, When bending by pressing both sides of the ear part 117 for fastening, it is possible to prevent the ear part 117 from being damaged, broken, or shorted.

The reason why the dimples 117a are formed to be 1/3 of the left and right and front-to-back widths of the ear parts 117 is that when the dimples 117a are larger than that size, when the ear parts 117 are pressed, damage, breakage, and short circuits occur frequently. There is a problem that occurs, and when the ear part 117 is pressed when it is smaller, since there is a problem that the degree of bending of the ear part 117 is not normally desired in the art, the optimum of the ear part 117 This is to allow the bending of

The reason why the ear portion 117 is formed in a uniform and balanced shape is that the band clamp 10 of the present invention rotates simultaneously with the rotation of the boot in a state of being completely fastened to the vehicle constant velocity joint boot. At this time, When the ear parts 117 are disproportionately bent or protrude severely upward, the diameter of the band clamp including the ear parts 117 increases, so that a large noise is generated in the lower part of the vehicle due to the centrifugal force of the boot. This is because the short circuit of the ear part 117 inevitably occurs frequently during long-term use.

In order to solve these problems, in the present invention, the size of the dimples 117a is determined under optimal conditions, so that the ear parts 117 are balanced, uniform, and easily bendable, and the above conventional problems can be solved. do.

”자 형상으로 구부려지게 마련인데, 이때, 제1,2체결부(110, 120)이 균일하게 당겨지지 않을 경우, 제1,2체결부(110, 120) 중 어느 한쪽이 과도하게 당겨져, 과도하게 당겨진 쪽의 훼손, 파손, 단락 등의 문제가 발생한다.In addition, as shown in FIG. 2 or 7, the balance holding hole 118, which is one of the key components of the present invention, is substantially the first and second fastening parts when the ear part 117 is bent. As (110, 120) is pulled, “

It is prepared to be bent in a “character shape. At this time, if the first and second fastening parts 110 and 120 are not pulled uniformly, either one of the first and second fastening parts 110 and 120 is excessively pulled, resulting in excessive Problems such as damage, breakage, and short circuit of the side that is pulled tightly occur.

In order to prevent this problem, the balance holding hole 118 of the present invention is formed, and when pressing both sides of the ear part 117, the first and second fastening parts extending from the ear part 117 to both sides ( By uniformly pulling the 110 and 120, it is possible to form a balanced ear portion 117, and by forming the balanced shape of the ear portion 117, it is not excessively drawn out, and when fastened to the boot, its diameter When centrifugal force is generated by minimizing , there is an effect of not breaking away.

In other words, the balance holding hole 118 prevents either one of the first and second fastening parts 110 and 120 from being excessively pulled, and can prevent a short circuit, thereby increasing durability of the boot When centrifugal force is generated during fastening, there is an effect of not easily shorting on either side, and since the shape of the ear portion 117 is formed uniformly, noise generation can also be suppressed.

In addition, the balance holding hole 118 is formed to correspond in size to the second fastening hole 113 or the third fastening hole 115 so that the force can be uniformly distributed and pulled.

That is, the balance maintenance hole 118 is formed to correspond to the size of the second fastening hole 113 or the third fastening hole 115, so that uniform pulling as described above is possible.

At this time, as shown in FIG. 8, the balance holding holes 118 are formed to be spaced apart at regular intervals in a divided form, and the balance holding holes 118 are formed to be spaced apart at regular intervals in a divided form. The sum of the balance holding holes 118 may be formed to correspond to the size of the second fastening hole 113 or the third fastening hole 115.

balance hole size bent strain ear shape durability Corresponds to the 2nd fastening hole or the 3rd fastening hole uniformity uniformity balance height Larger than the 2nd or 3rd fastening hole non-uniformity non-uniformity unbalance lowness Smaller than the 2nd fastening hole or the 3rd fastening hole non-uniformity non-uniformity unbalance lowness

That is, as shown in Table 1, when the balance holding hole 18 is larger or smaller than the second fastening hole 111 or the third fastening hole 113, bending and pulling are formed unevenly, and the shape of the ear part is Unbalanced, low durability was found.

However, as in the present invention, when formed to correspond to the second fastening hole 111 or the third fastening hole 113, it was found that the bending and pulling were uniform, the balance of the shape of the ear part, and the durability were high.

On the other hand, the second fastening hole 120 is formed to extend in the other direction in which the first fastening part 110 extends around the band body 100, and is formed in the first and second fastening holes 111 and 113. An interlock 123 is formed to press and fix the upper side of the first fastening portion 110 by being bent by a pressing means after being inserted into each stopper 121 and the third fastening hole 115, At the end of the second fastening hole 120, a wedge-shaped inlet portion 125 inserted into the tongue-in-groove 119 of the first fastening portion 110 is formed.

That is, the side surface of the stopper 121 can prevent loosening of the first fastening part 110 in the first and second fastening holes 111 and 113, and the interlock 123 can prevent loosening and lifting. there will be a number

In other words, as shown in FIG. 4 , the interlock 123 extends from the second fastening part 120 and is bent, and its end is the other side where the stopper 121 is formed. direction, and when inserted into the first fastening hole 111, the upper surface of the first fastening part 110 is pressed and fixed to the bent lower surface.

In addition, as shown in FIG. 9 , the interlock 123 is formed to be larger than the stopper 121 and is formed in a single or divided form, so that one interlock 123 is damaged. Even if it is, the other interlock 123 can perform its original purpose, and in the present invention, as an embodiment, the interlock 123 is shown as being formed of two, and is not limited to the embodiment of the present invention. No.

According to the band clamp for fastening the car constant velocity joint boot, which is capable of balanced pulling and damage prevention of the ear part of the present invention, the band clamp maintains its original purpose as it is, and at the same time, it forms a balanced bend and uniform shape of the ear part and its size. It can be minimized, so it is possible to prevent damage or breakage of the ear part, and when bending the ear part, it is possible to prevent short circuit of the band by being pulled in a balanced way from both sides around the ear part through the balancing groove. When fastened to the constant velocity joint boot, during rotation, the centrifugal force is minimized by the minimized ear portion to suppress noise, while it is a useful design that can increase the durability of the band even during long-term use.

10 : Band
100: band body
110: first fastening part 111: first fastening hole 113: second fastening hole
115: third fastening hole 117: ear part 117a: dimple
118: balance holding hole 119: tongue in groove
120: second fastening part 121: stopper 123: interlock
125: inlet

Claims (5)

A band body 100 composed of first and second fastening parts 110 and 120 formed to extend from the central part in one and the other direction, and a band body configured on one side of the first fastening part 110 from the outside ( 100), the first, second, and third fastening holes 111, 113, and 115 sequentially formed at regular intervals in the direction of the central portion, and the third fastening hole 115 spaced apart from the rear but having a dimple 117a at the top The formed ear part 117, the tongue-in-groove 119 spaced apart from the rear of the ear part 117, and the second fastening part 120 are configured on one side, but from the outside toward the center of the band body 100 Each stopper 121 is formed sequentially at a predetermined interval and is inserted into the second and third fastening holes 113 and 115, and the first and second fastening parts ( 110, 120) in the band clamp for fastening the constant velocity joint boot of a vehicle composed of an interlock 123 for fixing,
When bending the ear part 117 by pushing it inward from both sides to fasten the band clamp between the ear part 117 and the tongue-in-groove 119, both sides are pulled in a balanced way around the ear part 117 A balance holding hole 118 is formed to enable this,
The dimples 117a of the ear parts 117 are formed to be 1/3 the size of the upper side of the ear parts 117,
The balance maintaining hole 118 is formed to correspond in size to the second fastening hole 113 or the third fastening hole 115, or is formed in a divided form and spaced apart from each other at regular intervals, maintaining the balance of each divided. The sum of the holes 118 is formed to correspond to the size of the second fastening hole 113 or the third fastening hole 115,
The interlock 123 extends from the second fastening part 120 and is bent, and its end is formed in the other direction where the stopper 121 is formed, and is bent when inserted into the first fastening hole 111. It is configured to press and fix the upper surface of the first fastening part 110 to the lower surface,
The interlock 123 is formed to be larger than the stopper 121 and is formed in one or a plurality in a divided form. A band for fastening an automobile constant velocity joint boot capable of preventing damage and balanced pulling of the ear portion clamp.
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