KR101755848B1 - Hose clamp for vehecles - Google Patents

Hose clamp for vehecles Download PDF

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Publication number
KR101755848B1
KR101755848B1 KR1020150133900A KR20150133900A KR101755848B1 KR 101755848 B1 KR101755848 B1 KR 101755848B1 KR 1020150133900 A KR1020150133900 A KR 1020150133900A KR 20150133900 A KR20150133900 A KR 20150133900A KR 101755848 B1 KR101755848 B1 KR 101755848B1
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KR
South Korea
Prior art keywords
band
fixing
stopper
fixing bolt
housing
Prior art date
Application number
KR1020150133900A
Other languages
Korean (ko)
Other versions
KR20170035157A (en
Inventor
서용교
곽승윤
장용석
차승열
Original Assignee
현대자동차주식회사
기아자동차주식회사
(주)동아금속
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Application filed by 현대자동차주식회사, 기아자동차주식회사, (주)동아금속 filed Critical 현대자동차주식회사
Priority to KR1020150133900A priority Critical patent/KR101755848B1/en
Publication of KR20170035157A publication Critical patent/KR20170035157A/en
Application granted granted Critical
Publication of KR101755848B1 publication Critical patent/KR101755848B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02—Hose-clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02—Hose-clips
    • F16L33/08—Hose-clips in which a worm coacts with a part of the hose-encircling member that is toothed like a worm-wheel

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hose clamp for a vehicle in which the fastening direction of a bolt for fixing a band is changed in the longitudinal direction of the hose to improve assembling performance.
A hose clamp of a vehicle according to the present invention is a hose clamp of a vehicle including a band that is installed to tighten the hose outside the hose and a fixing portion that tightens the band and the band is formed with a predetermined length A fixing bolt formed in the fixing portion and provided with a gear portion meshing with the tooth portion to fasten the band and provided in a direction parallel to the axial direction of the hose; And a stopper for preventing rotation of the band in a direction in which the band is unwound.

Description

[0001] HOSE CLAMP FOR VEHECLES [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hose clamp of a vehicle used for connecting and fixing various hoses in an engine room of a vehicle, and more particularly, To a hose clamp of a vehicle.

In automobiles and various industrial sites, hose clamps are provided to connect various hoses to the piping.

For example, in an engine room of an automobile, a hose clamp is provided at a portion where the intake hose is engaged with the throttle body to fix the end portion of the intake hose to one side of the throttle body by tightening the outside of the intake hose.

The hose clamp is tightened by using a band formed in a belt shape and an end of the band by using bolts or the like so that the inner surface of the hose is connected to the connecting portion of the throttle body in an airtight state.

However, such hose clamps according to the prior art have a problem in that workability at the time of tightening is poor and interference with other parts in the engine room such as high-voltage wiring.

That is, since the bolt is fastened in the circumferential direction of the band, the bolt is tightened in the circumferential direction of the hose for fastening.

However, various parts are mounted on the engine room of the vehicle. Particularly recently, due to the spread of the environment-friendly automobile, components such as high-voltage wiring are additionally installed, so that the assembly property is low and the hose clamp is connected to the high- The high voltage wiring can be damaged due to interference.

Since the bolt is tightened in the circumferential direction of the band, it takes a lot of space for operating the tool. In order to tighten the bolt, a space for operating the tool must be secured. Such a space must be secured around the hose, and the assemblability is deteriorated.

Further, since the bolt protrudes from the hose clamp, the possibility of occurrence of interference with other adjacent components increases, thereby damaging the coating of the high-voltage wiring, thereby increasing the possibility of fire caused by a high-voltage current.

On the other hand, the following prior art documents disclose a technique relating to 'automobile and industrial hose clamp'.

KR 10-0715508 B1

SUMMARY OF THE INVENTION It is an object of the present invention to provide a hose clamp for a vehicle in which the fixing bolt is balanced with the axial direction of the hose so that the assembling property is improved and the interference with other parts is reduced .

In order to achieve the above object, a hose clamp of a vehicle according to the present invention is characterized in that a hose clamp for a vehicle is provided, which comprises a band installed to be hermetically fitted to the hose outside the hose, and a fixing part for tightening the band, A fixing bolt formed in the fixing portion and provided with a gear portion engaged with the tooth portion to fasten the band and disposed in a direction parallel to the axial direction of the hose; And a stopper that allows the fixing bolt to rotate in a direction in which the band is wound and prevents rotation in a direction in which the band is unwound.

And the fixing unit includes a housing having the fixing bolt and the stopper, the housing having one end fixed to the band and passing the other end of the band around which the hose is wound.

The fixing bolt includes the gear portion, a head for rotating the fixing bolt using a tool, and an insertion portion inserted into the housing.

Wherein a housing fixing part protruding from the bottom surface is formed at one end of the band so as to face the center of the hose in the band so as to fix the end of the housing and the housing is fitted between the housing fixing parts, Are combined with each other.

And a gear portion of the fixing bolt is engaged with a tooth portion of the band so as to be inclined with respect to a tangent of a portion to be engaged with the tooth portion of the band.

The stopper includes a main body and a mating portion formed at one side of the main body and inserted between teeth of the gear portion of the fixing bolt.

The stopper is made of stainless steel.

The housing includes a band fixing portion to which one end of the band is fixed, a band guide extending from both ends of the band fixing portion to prevent the band from being separated from the band around the hose, A bolt fastening groove formed on the other side of the band guide so that a portion between the head and the gear portion can be inserted into or retracted from the fastening bolt; And a stopper insertion groove formed in the stopper groove.

The stopper is provided such that the fixing bolt is elastically deformed in the stopper insertion groove in the direction of tightening the band and one side of the stopper insertion groove is supported in the direction in which the fixing bolt loosens the band .

The stopper is moved in a direction away from the fixing bolt in the stopper insertion groove in a direction in which the fixing bolt tightens the band so that the contact area between the gear portion of the fixing bolt and the mating portion is reduced, And a contact area between the gear portion of the fixing bolt and the mating portion is increased in a direction in which the fixing bolt unwinds the band and one side of the stopper insertion groove is supported to prevent rotation of the fixing bolt .

The housing may further include a cover which covers an upper portion of the housing and has a housing coupling portion coupled to the housing at both ends thereof. The housing has a cover fixing groove into which the housing coupling portion is inserted.

The housing has a stopper fixing part formed at one side of the band guide so as to engage with one side of the stopper to prevent the stopper from being detached. The stopper is formed to extend from the main body and the stopper is inserted into the housing , And a stopper portion which is caught by the stopper fixing portion is formed.

A band guide extending from one end of the band fixing part to prevent a band from being detached from the band around the hose; And a band tightening member which is provided on the band fixing part and which is fixed to the band fixing part so as to extend from the end of the connecting part to the other end of the band fixing part, And a stopper insertion groove formed in the band guide so that the stopper is inserted into the stopper insertion groove.

A through hole is formed in a lower end of the closing portion and a press-in portion extending upward is formed at the other end of the band fixing portion. When the band and the fixing bolt are disposed in the housing, the connection portion and the closing portion are covered, And the upper end of the press-in portion is struck to fasten the closing portion and the band fixing portion.

The stopper is moved in a direction away from the fixing bolt in the stopper insertion groove in a direction in which the fixing bolt tightens the band so that the contact area between the gear portion of the fixing bolt and the mating portion is reduced, And a contact area between the gear portion of the fixing bolt and the mating portion is increased in a direction in which the fixing bolt unwinds the band and one side of the stopper insertion groove is supported to prevent rotation of the fixing bolt .

According to the hose clamp according to the present invention having the above-described structure, the fixing bolt is balanced with the axial direction of the hose, thereby improving assembling performance.

Further, interference of the fixing bolts with other parts is reduced, and the phenomenon that the covering of the wiring inside the engine room is broken can be reduced.

1 is a perspective view illustrating a hose clamp roll according to an embodiment of the present invention;
FIG. 2 is a perspective view illustrating a fixing part of a hose clamp according to an embodiment of the present invention; FIG.
FIGS. 3A through 3D are perspective views illustrating components of a hose clamp according to an embodiment of the present invention; FIG.
4 is a bottom perspective view of a hose clamp according to an embodiment of the present invention.
5 is a cross-sectional view illustrating a state during fastening of a band in a hose clamp according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view illustrating a state where fastening of a band is completed in a hose clamp according to an embodiment of the present invention. FIG.
FIG. 7 is a side view showing a state where a gear of a fixing bolt is inclined in a hose clamp according to an embodiment of the present invention; FIG.
8 is a perspective view illustrating a hose clamp according to another embodiment of the present invention.
9 is an exploded perspective view of a fixing part in a hose clamp according to another embodiment of the present invention.
10 is a perspective view illustrating a process of assembling a housing and a fixing bolt in a hose clamp according to another embodiment of the present invention.
11 is a cross-sectional view illustrating a state in which a band is fastened in a hose clamp according to another embodiment of the present invention.
FIG. 12 is a cross-sectional view illustrating a state in which fastening of a band is completed in a hose clamp according to another embodiment of the present invention; FIG.
13 is a perspective view of a hose clamp according to another embodiment of the present invention.
FIG. 14 is an exploded perspective view of a fixing part in a hose clamp according to another embodiment of the present invention. FIG.
15 is a side view of a housing in a hose clamp according to another embodiment of the present invention.
16 is a perspective view illustrating a state in which a band is fastened in a hose clamp according to another embodiment of the present invention.
17 is a perspective view showing a state in which a band is tightened in a hose clamp according to another embodiment of the present invention.

Hereinafter, a hose clamp according to the present invention will be described in detail with reference to the accompanying drawings.

The hose clamp according to the present invention includes a band for tightening a hose and a fixing part for allowing the band to tighten the hose or keeping the hose in a state where the band is tightened, And a stopper for fixing the fixing bolt in a direction to tighten the band and stopping rotation in a reverse direction.

1 to 7 show an embodiment of a hose clamp according to an embodiment of the present invention.

The hose clamp of the present invention includes a fastening band for fastening a hose and a fixing part for fastening the band 1 to the fastening band.

The band 1 is formed of a metal and has a constant width. The band (1) surrounds the outside of the hose and tightens the hose. In order to tighten the hose, the teeth (1a) are formed in a part of the band (1). One end of the band 1 is fixed to one side of the hose and the other end of the band 1 winds the hose so that the band 1 tightens the hose through one end.

At one end of the band 1, a housing fixing part 1b protruding inward of the hose for fixing the housing 11 of the fixing part 10 is formed at an interval from each other.

The fixing part (10) fixes one end of the band (1) and tightens the other end so that the band (1) can tighten the hose. The fixing part 10 includes a housing 11 for accommodating one side of the band 1 and a fixing part 11 for fixing the inside of the housing 11 in a state of being engaged with the teeth 1a of the band 1. [ A bolt 13, a stopper 14 installed on the housing 11 to prevent rotation of the fixing bolt 13, and a cover 12 covering the top of the housing 11.

The housing 11 is formed in a U-shape in cross section so that the upper portion thereof is opened. One end of the band 1 is fixed to the inside of the housing 11 and receives the other end of the band 1 wound with the hose.

The housing 11 includes a band fixing part 11a to which one end of the band 1 is fixed and a band 11 extending from both ends of the band fixing part 11a to prevent the band 1, A guide 11b is formed. One end of the band 1 is positioned on the band fixing portion 11a and a housing fixing portion 1b formed on the band 1 is sandwiched between the band fixing portions 11a, (See Fig. 4). The band guides 11b are formed to be bent from the band fixing parts 11a in the axial direction of the hose so as to be spaced apart from each other so as to guide the other end of the band 1 wound around the hose so as not to come off.

A bolt through hole 11c and a bolt fastening groove 11d are formed in the band guide 11b. A bolt through-hole 11c is formed in one of the band guides 11b spaced from each other along the axial direction of the hose, and a bolt fastening groove 11d is formed in the other of the band guides 11b. The bolt through-hole 11c is formed to penetrate through the band guide 11b, and one side of the fixing bolt 13 is inserted. The bolt fastening groove 11d is formed such that one side of the band guide 11b is cut so that one side of the fixing bolt 13 can be inserted and removed.

In addition, the housing 11 is formed with a cover fixing groove 11e for fixing the cover 12 described later. As shown in FIG. 3, the cover fixing grooves 11e are respectively formed at positions spaced apart from each other in the housing 11 and fastened to both ends of the cover 12 (see FIG. 3). That is, the cover fixing grooves 11e are formed on both sides of the band guide 11b so that the housing engaging portions 12a and 12b of the cover 12 are fitted so that the cover 12 covers the cover 12 Is fixed to the housing (11). For example, the housing engaging portion 12a is fitted into the cover fixing groove 11e formed on the left side of the bolt through hole 11c or bolt fastening groove 11d in Fig. 3, and the cover 12c formed on the right side of the bolt through- The cover 12 and the housing 11 are engaged by fitting the housing engaging portion 12b into the fixing groove 11e.

A stopper insertion groove 11f is formed in one side of the band guide 11b so that the stopper 14 to be described later is inserted into the housing 11. The stopper 14 is provided on one side of the band guide 11b, The stopper fixing portion 11g is formed to be engaged with one side of the stopper fixing portion 11g to prevent the stopper 14 from being detached. 3, the stopper fixing portion 11g is formed to protrude from the band guide 11b of the housing 11, and when the band 1 is tightened, one side of the stopper 14 Take it.

The fixing bolt 13 is formed with a gear portion 13a so that the band 1 is tightened through the gear portion 13a.

The fixing bolt 13 includes a head 13b for rotating the fixing bolt 13 with a tool T and a gear 13a meshing with the teeth 1a of the band 1, And an insertion portion 13c to be inserted into the bolt through-hole 11c of the housing 11.

The head 13b is formed to have a hexagonal perimeter or a cross [+] groove like a normal bolt head. The fixing bolt 13 is rotated by rotating the tool in a state where the tool is inserted into the outer side of the head 13b or inserted into the cross groove.

The insertion portion 13c is formed at the opposite end of the fixing bolt 13 from the gear portion 13a to the head 13b. Is inserted into the bolt through hole 11c of the housing 11 using the inserting portion 13c and the gap between the gear portion 13a and the head 13b is inserted into the bolt fastening groove 11d And the housing 11 may be provided with the fixing bolt 13.

At this time, the fixing bolts 13 are installed in a direction substantially parallel to the axial direction of the hose, that is, in a direction parallel to the direction of not passing through the tangential direction of the band 1.

When the fixing bolt 13 is installed in the housing 11, it is preferable that the axial direction of the fixing bolt 13 be inclined at a certain angle? With respect to the tangent of the band 1 7). This is to facilitate the insertion of the tool T when the fixing bolt 13 is rotated using a tool.

The stopper 14 is fitted to the housing 11 and is engaged with the gear portion 13a of the fixing bolt 13 so that the fixing bolt 13 is fixed to the fixing bolt 13 by the repulsive force of the band 1 13 from rotating.

The stopper 14 includes a main body 14a located inside the stopper insertion groove 11f of the housing 11 and a gear portion 14b extending from one side of the main body 14a, And a stopper fixing portion 14b which is formed to extend from both ends of the main body 14a in a direction perpendicular to the mating portions 14b, And an engaging portion 14c engaged with the engaging portion 11g.

The stopper 14 is preferably made of an elastic material. For example, stainless steel, particularly SUS301, is preferably used.

When the stopper 14 is installed in the stopper insertion groove 11f of the housing 11, the fixing bolt 13 is elastically deformed in a direction in which the band 1 is fastened, In the opposite direction, the stopper 14 is not elastically deformed but is supported on one side of the stopper insertion groove 11f.

The cover 12 is formed to be able to cover the upper portion of the housing 11. Housing connection portions 12a and 12b are formed at both ends of the cover 12 and are fixed to the housing 11 by being inserted into a cover fixing groove 11e of the housing 11.

The operation of the hose clamp according to an embodiment of the present invention will now be described.

5, one end of the band 1 is fixed to the housing 11, and the band 1 is wound around the hose and the other end of the band 1 passes through the housing 11 . The gear portion 13a of the band 1 is engaged with the gear portion 13a of the fixing bolt 13 in the housing 11. The gear portion 13a is engaged with the stopper 14, And also engages with the mating portion 14b of the engaging portion 14b.

In this state, when the band 1 is rotated in the tightening direction of the hose (see arrow A in Fig. 5), the stop bolt 13 is inserted into the stopper insertion groove 11f (Refer to arrow B in Fig. 5) while allowing the fixing bolt 13 to rotate.

The other end of the band 1 is moved in the direction of arrow C in FIG. 5, so that the band 1 tightens the hose.

On the other hand, when the band 1 is engaged with the hose, the stopper 14 prevents the fixing bolt 13 from rotating, and the band 1 keeps the hose in the engaged state.

That is, as shown in FIG. 6, the fixing bolt 13 is rotated in the direction of arrow D in FIG. 6 by the half reaction force of the band 1. However, the stopper 14 is supported on one side of the stopper insertion groove 11f in a state where the engagement portion 14b of the stopper 14 is inserted into the gear portion 13a of the fixing bolt 13 It is not elastically deformed.

Therefore, since the fixing bolt 13 is not rotated, the band 1 also keeps the hose in a state of being joined.

If the stopper 14 is separated from the housing 11 when the band 1 is to be released, the fixing bolt 13 is free to rotate and the band 1 can be released.

9 to 12 show a hose clamp according to a second embodiment of the present invention.

Also in this embodiment, the band 1 is clamped by the fixing portion 20 and the state is maintained. Since the structure of the band 1 is the same as that described above, it will be omitted.

The fixing part 20 includes a housing 21 for accommodating one side of the band 1 and a fixing bolt 21 which is installed inside the housing 21 in a state of being engaged with the teeth 1a of the band 1, And a stopper 23 installed on the housing 21 to prevent the fixing bolt 22 from rotating.

The housing 21 is formed with a space for allowing the band 1 to pass therethrough. One end of the band 1 is fixed to the inside of the housing 21 and receives the other end of the band 1 wound around the hose.

The housing 21 includes a band fixing part 21a to which one end of the band 1 is fixed and a band 21b extending from one end of the band fixing part 21a to prevent the band 1, A connecting portion 21c extending from the upper end of the band guide 21b in parallel to the band fixing portion 21a and a connecting portion 21c extending downward from the connecting portion 21c and extending downward from the band fixing portion 21a And a closing portion 21d coupled to the other end is formed.

One end of the band 1 is positioned on the band fixing part 21a and the band fixing part 21a is fitted between the housing fixing parts 1b formed on the band 1, (21). The band guide 21b is formed so as to be bent from one side of the band fixing portion 21a in the axial direction of the hose so as to guide the other end of the band 1 wound with the hose so as not to come off. The connecting portion 21c extends from the upper end of the band guide 21b so as to be parallel to the band fixing portion 21a and extends downward from the end of the connecting portion 21c, A closing portion 21d is formed. The closing portion 21d is fastened to the band fixing portion 21a, and the band 1 and the fixing bolt 22 are disposed in the band fixing portion 21a.

A bolt through hole 21e is formed in the band guide 21b and a bolt fastening groove is formed in the closing portion 21d. The bolt through hole 21e is formed to penetrate through the band guide 21b so that one side of the fixing bolt 22 is inserted and the bolt fastening groove 21f is formed such that one side of the fastening bolt 22 The closure part 21d is cut at one side.

A through hole is formed at a lower end of the closed portion 21d and a press-fitting portion 21g extending upward from an end of the band fixing portion 21a where the band guide 21b is not formed is formed. The connecting portion 21c and the closing portion 21d are pinched in the state that the band 1 and the fixing bolt 22 are positioned inside the housing 21, The press-in portion 21g is protruded by the through-hole and the upper end of the press-in portion 21g is hit by the tool so that the press-in portion 21g is deformed so that the press-in portion 21g is not separated from the through- So that the shape of the housing 21 is maintained. In addition, as shown by the dotted line in FIG. 10, the upper end of the press-fit portion 21g passing through the through-hole is hit with a tool. When the upper end of the press-fit portion 21g is struck, the upper end of the press-fit portion 21g is deformed and deformed into a form that can not pass through the through-hole, so that the shape of the housing 21 can be maintained.

The housing 21 is formed with a stopper insertion groove 21h at one side of the band guide 21b so that a stopper 23 described later is inserted.

The fixing bolt 22 is formed in the same shape as the fixing bolt 13 of the first embodiment. A gear 22a extending from one side of the gear 22a and connected to the tool 22b; a gear 22b meshing with the gear 22a; And an insertion portion 22c extending in the direction opposite to the head 22b and inserted into the bolt through hole 21e. The fixing bolt 22 is engaged with the teeth 1a of the band 1 so as to be inclined at a predetermined angle with the tangential direction of the band 1 so as to facilitate insertion of the tool.

The stopper 23 is engaged with the stopper insertion groove 21h of the housing 21 and is engaged with the gear portion 22a of the fixing bolt 22 so that the fixing bolt 22 is inserted into the stopper insertion groove 21h of the band 1 So that the fixing bolt 22 is prevented from rotating due to the repulsive force.

The stopper 23 includes a main body 23a located inside the stopper insertion groove 21h of the housing 21 and a gear portion 23b extending from one side of the main body 23a, A mating portion 23b inserted between the tooth and the tooth of the main body 23a, and the mating portion 23b from both ends of the main body 23a.

The stopper 23 is preferably made of a material such as stainless steel, particularly SUS301, which is elastic.

When the stopper 23 is installed in the stopper insertion groove 21h of the housing 21, the stopper 23 is moved away from the fixing bolt 22 in the stopper insertion groove 21h in the direction in which the band 1 is tightened. The stopper 23 is elastically deformed in a direction opposite to the stopper 23 and is supported on one side of the stopper inserting groove 21h.

Hereinafter, the operation of the hose clamp according to the second embodiment of the present invention will be described.

In the hose clamp according to the second embodiment of the present invention, the band 1 can be tightened so that the fixing bolt 22 can be rotated in the state shown in Fig. 11, and in the state shown in Fig. 12 It is impossible to rotate the fixing bolt 22 so that the band 1 is maintained in a tightened state.

11, when the fixing bolt 22 is rotated in the direction of the arrow A, the stopper 23 is moved in the direction in which the stopper 23 is retracted from the fixing bolt 22 in the stopper insertion groove 21h And the contact area between the gear portion 22a of the fixing bolt 22 and the mating portion 23b is reduced so that the teeth of the gear portion 22a can pass over the mating portion 23b, The bolt 22 can be rotated and the band 1 can be tightened.

However, in the state as shown in FIG. 12, the fixing bolt 22 tends to rotate in the direction of arrow D by the repulsive force of the band 1. However, when the fixing bolt 22 is rotated, the stopper insertion groove 21h is brought into close contact with the lower portion so that the gear portion 22a of the fixing bolt 22 and the engagement portion 23b Since the stopper insertion groove 21h is supported by the stopper 23 and the teeth of the gear portion 22a does not exceed the mating portion 23b, the rotation of the fixing bolt 22 The band 1 also keeps the hose in a joined state.

If the stopper 23 is separated from the housing 21 when the band 1 is going to be loosened, the fixing bolt 22 is free to rotate and the band 1 can be loosened.

A third embodiment of the present invention will be described with reference to FIGS. 13 to 17. FIG.

In this embodiment, the band 1 has the same configuration as the above-described embodiment.

The fixing part 30 is provided with a housing 31 for accommodating one side of the band 1 and a fixing bolt 32 provided inside the housing 31 in a state of being engaged with the toothed part 1a of the band 1, And a stopper 33 installed on the housing 31 to prevent the fixing bolt 32 from rotating.

The housing 31 has a U-shaped cross section similar to the housing 11 of the first embodiment and a band fixing portion 31a to which the band 1 is fixed is formed at a lower portion thereof. 31a are formed so as to extend from both ends of the band guides 31a to the band guides 31b.

A bolt through hole 31c through which one side of the fixing bolt 32 passes is formed on both sides of the band guide 31b and a bolt connecting groove 31d through which one side of the fixing bolt 32 is inserted and removed.

In addition, a stopper insertion groove 31e in which a stopper 33 is provided is formed at one side of the housing 31. [ The stopper insertion groove 31e is provided such that a portion of the stopper 33 to be engaged with the fixing bolt 32 is raised and lowered when the stopper 33 is inserted.

The fixing bolt 32 is composed of a gear portion 32a, a head 32b and an insertion portion 32c as in the previous embodiment.

The stopper 33 includes a main body 33a located inside the stopper insertion groove 31e of the housing 31 and a gear portion 33b extending from one side of the main body 33a, 32a, and a pair of engagement portions 33b from both ends of the main body 33a.

16 and 17 show the operating state of the hose clamp according to the third embodiment of the present invention.

First, when the fixing bolt 32 is tightened with a tool to tighten the hose, the stopper 33 allows the fixing bolt 32 to rotate, so that the band 1 is tightened. When the fixing bolt 32 is rotated in the direction of the arrow A in Fig. 16, the engagement portion 33b of the stopper 33 is lowered, and the gear portion 32a of the fixing bolt 32 is engaged with the engagement portion 33b. The teeth of the gear portion 32a can move beyond the mating portion 33b and rotate the fixing bolt 32 to tighten the band 1. [

On the other hand, as shown in Fig. 17, when the band 1 is tightened, the fixing bolt 32 rotates in the direction of arrow D by the repulsive force of the band 1. The gear portion 32a raises the engagement portion 33b of the fragrance stopper 33 while the fixing bolt 32 rotates. When the stopper 33 is lifted up, the contact area between the gear portion 32a of the fixing bolt 32 and the mating portion 33b is increased. When the stopper 33 is in a state in which the stopper insertion groove 31e is supported The teeth of the gear portion 32a do not exceed the mating portion 33b and the rotation of the fixing bolt 32 is prevented. As a result, the band 1 can be maintained in a tightened state.

In order to release the band 1, when the stopper 33 is separated from the housing 31, the fixing bolt 32 is freely rotated and the band can be released.

1: band 1a: tooth
1b: housing fixing portion 10: fixing portion
11: housing 11a: band fixing section
11b: Band guide 11c: Bolt through hole
11d: bolt fastening groove 11e: cover fastening groove
11g: stopper fixing portion 11f: stopper insertion groove
12: cover 12a, 12b: housing coupling part
13: Fixing bolt 13a:
13b: head 13c:
14: stopper 14a:
14b: mating portion 14c:
20: fixing part 21: housing
21a: band fixing portion 21b: band guide
21c: connecting portion 21d: closing portion
21e: bolt through hole 21f: bolt fastening groove
21g: press-fitting portion 21h: stopper insertion groove
22: Fixing bolt 22a: Gear part
22b: head 22c:
23: stopper 23a:
23b: mating portion 30:
31: housing 31a: band fixing section
31b: Band guide 31c: Bolt through hole
31d: bolt fastening groove 31e: stopper insertion groove
32: Fixing bolt 32a:
32b: head 32c:
33: stopper 33a:
33b:

Claims (15)

A hose clamp for a vehicle, comprising: a band installed outside the hose such that the hose is tightened; and a fixing part for tightening the band,
The band is provided with a toothed portion having a predetermined length,
A fixing bolt formed in the fixing portion with a gear portion engaged with the tooth portion to tighten the band and provided in a direction parallel to the axial direction of the hose; And a stopper for preventing rotation in a direction in which the band is released,
Wherein the fixing portion includes a housing provided with the fixing bolt and the stopper and having one end fixed to the band and passing through the other end of the band wound with the hose,
Wherein the stopper includes a main body and a mating portion formed at one side of the main body and inserted between teeth of the gear portion of the fixing bolt,
The band guide includes a band fixing portion to which one end of the band is fixed, a band guide extending from at least one end of the band fixing portion at both ends of the band fixing portion to prevent separation of the band around the hose, And a stopper insertion groove formed in the hose clamp. delete The method according to claim 1,
The fixing bolt
The gear portion,
A head for rotating the fixing bolt using a tool,
And an inserting portion inserted into the housing. The method according to claim 1,
A housing fixing part protruding from the bottom surface is formed at one end of the band so as to face the center of the hose in the band so as to fix the end part of the housing,
And the housing is fitted between the housing fixing portions so that the band and the housing are engaged with each other. 5. The method according to any one of claims 1 to 4,
And a gear portion of the fixing bolt is engaged with a tooth portion of the band so as to be inclined with respect to a tangent of a portion to be engaged with the tooth portion of the band. delete The method according to claim 1,
Wherein the stopper is made of stainless steel. The method according to claim 1,
The housing includes:
The band guide extends from both ends of the band fixing portion,
A bolt through-hole formed to penetrate one of the band guides so that the insertion portion of the fixing bolt is inserted,
And a bolt fastening groove formed on the other side of the band guide so that a portion between the head and the gear portion can be inserted and removed from the fixing bolt. 9. The method of claim 8,
The stopper
The fixing bolt is elastically deformed in the stopper insertion groove in the direction of tightening the band,
Wherein the fixing bolt is installed to support one side of the stopper insertion groove in a direction in which the band is loosened. 9. The method of claim 8,
The stopper
The fixing bolt moves in the direction of tightening the band in a direction away from the fixing bolt in the stopper insertion groove to reduce the contact area between the gear portion of the fixing bolt and the mating portion, Elastically deformed to allow the fixing bolt to rotate,
The contact area between the gear portion of the fixing bolt and the mating portion increases in the direction in which the fixing bolt loosens the band and the mating portion is not elastically deformed by supporting one side of the stopper inserting groove, Wherein the hose clamp is a hose clamp. 9. The method of claim 8,
And a cover provided on the outer side of the housing to cover the upper portion of the housing and to have a housing coupling portion coupled to the housing at both ends thereof,
Wherein the housing is formed with a cover fixing groove into which the housing coupling portion is inserted. 9. The method of claim 8,
A stopper fixing part formed on one side of the band guide so as to be engaged with one side of the stopper and supporting the stopper so as not to be detached,
Wherein the stopper is formed to extend from the main body, and when the stopper is inserted into the housing, a stopping portion that engages with the stopper fixing portion is formed. The method according to claim 1,
The housing includes:
The band guide extends from both ends of the band fixing portion,
A connecting portion extending parallel to the band fixing portion from the upper end of the band guide,
A closure part extending from the end of the connecting part to the other end of the band fixing part and coupled to the other end of the band fixing part,
A bolt through-hole formed in the band guide,
Further comprising a bolt coupling groove formed in the closing portion so that a portion between the head and the gear portion can be inserted and removed from the fixing bolt. 14. The method of claim 13,
A through hole is formed in the lower end of the closing portion,
A press-in portion extending upward is formed at the other end of the band fixing portion,
The bending portion and the closing portion are covered with the band and the fixing bolt, and the press-in portion is inserted through the through-hole, and the upper end of the press-in portion is struck to deform the press-in portion, And the fastening portion is fastened to the band fixing portion so as not to pass through the through hole. 14. The method of claim 13,
The stopper
The fixing bolt moves in the direction of tightening the band in a direction away from the fixing bolt in the stopper insertion groove to reduce the contact area between the gear portion of the fixing bolt and the mating portion, Elastically deformed to allow the fixing bolt to rotate,
The contact area between the gear portion of the fixing bolt and the mating portion increases in the direction in which the fixing bolt loosens the band and the mating portion is not elastically deformed by supporting one side of the stopper inserting groove, Wherein the hose clamp is a hose clamp.
KR1020150133900A 2015-09-22 2015-09-22 Hose clamp for vehecles KR101755848B1 (en)

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KR20200032357A (en) 2018-09-18 2020-03-26 (주)동아금속 Hose clamp
US10683955B2 (en) 2018-09-14 2020-06-16 Hyundai Motor Company Hose clamp

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KR102070631B1 (en) 2017-03-21 2020-01-29 주식회사 엘지화학 An electrochromic device
KR101900017B1 (en) 2017-06-22 2018-09-18 공종수 Band Winding Type Hose Clamp
CN108591652B (en) * 2018-04-28 2020-03-24 奇瑞汽车股份有限公司 Clamp locking mechanism and using method thereof
KR102189304B1 (en) * 2019-09-17 2020-12-09 유신정밀공업 주식회사 Clamp
CN114659721B (en) * 2022-03-21 2024-01-19 海安市人民医院 Device and method for detecting air leakage of output end joint of medical air compressor

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KR200155351Y1 (en) 1995-12-28 1999-09-01 류정열 Hose clamp
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KR200155351Y1 (en) 1995-12-28 1999-09-01 류정열 Hose clamp
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10683955B2 (en) 2018-09-14 2020-06-16 Hyundai Motor Company Hose clamp
KR20200032357A (en) 2018-09-18 2020-03-26 (주)동아금속 Hose clamp

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