CN1524169A

CN1524169A - Anti-vibration fixture

Info

Publication number: CN1524169A
Application number: CNA028097130A
Authority: CN
Inventors: 涉谷富男
Original assignee: Newfrey LLC
Current assignee: Newfrey LLC
Priority date: 2001-03-28
Filing date: 2002-03-27
Publication date: 2004-08-25

Abstract

A vibration-proof clamp comprises a housing member (20) having a rectangular housing space, and an elastic tubing-retaining member (30) for holding a tube body (T). The elastic tubing-retaining member is housed in the space of the housing member. The tubing-retaining member includes a plurality of inner tubing-retaining surfaces (36a, 36b), channels (35a, 35b) provided between the respective adjacent tubing-retaining surfaces, and a plurality of cavities (37, 38) formed within the tubing-retaining member. When the tube body is vibrated and displaced, the cavity and the channel are operable to absorb the displacement of the tube body so as to provide vibration-proof performance.

Description

Anti-vibration clamp

Technical field

The present invention relates to a kind of anti-vibration clamp, be used to keep polytype pipe fitting to be fixed in automotive body etc.

Background technique

Usually, anti-vibration clamp is used to keep the fuel of automobile or brake fluid pipe etc. being fixed in automotive body etc., and separates the vibration that is created on the pipe, thereby prevents that vibration is delivered to vehicle body.

Fig. 6 illustrates the side view of an example of traditional anti-vibration clamp.This traditional anti-vibration clamp has the attaching part A 2 that a plurality of retained part A1 and are adjacent to retained part.Attaching part A 2 comprises consent B and connected member C, and the stud bolt that allows to be fixed in (not shown) on the automotive body inserts wherein.Each retained part A1 has the main body of being made by hard resin material 1, and this main body has pair of sidewalls and a diapire.Plug-in mounting mouth 3 is formed between the opposite end of main body 1 sidewall to allow pipe fitting T in the pipe fitting attaching or free in the operation and pass wherein.

Main body 1 also comprises a pair of resistance part 4 that falls, and is arranged on separately on the respective end of sidewall.When pipe fitting T was inserted into main body 1 by plug-in mounting mouth 3, each resistance part 4 that falls was subjected to the pipe fitting pushing and is out of shape.After pipe fitting T is fitted into maintenance body 6 the insides of vibrationproof part 5, hinders part 4 and be returned to their original shapes.Under this state, hinder part 4 and work to prevent that pipe fitting T from coming off.

The vibrationproof part of being made by soft resin material 5 comprises: keep body 6, be used to keep being fitted into the pipe fitting T of its inside; A pair of coupling 7 is used for keeping body 6 to be connected in the surface, inside of main body 1; And a pair of covering 8, be used to cover a part of outer surface that hinders part 4.

Hole part

10,11 is formed in the main body 1 of vibrationproof part 5 and keeps between the body 6.

Hole part

10,11 works to guarantee the vibrationproof performance of vibrationproof part 5.

This traditional anti-vibration clamp provides very high vibrationproof performance.Main body 1 and maintenance body 6 are connected by covering 8, have bigger area of contact.But, keep body just by coupling 7 or be connected in the surface, inside of main body 1 with very little area of contact.Thereby if the soft resin material deterioration of coupling 7, then coupling 7 may be thrown off from main body 1, or may be impaired.In addition, maintenance body 6 may be impaired near resistance falls part 4 lower ends.Because aforesaid unfavorable impaired, traditional anti-vibration clamp is subjected to the reliability deterioration.

The object of the invention just is to address this problem.Therefore the purpose of this invention is to provide a kind of anti-vibration clamp that can obtain height vibrationproof performance together with height reliability.

Summary of the invention

A kind of anti-vibration clamp of the present invention comprises the housing of putting the space with rectangle, and flexible pipe clip gripping member, and described pipe clip gripping member is housed in the described space of housing and is suitable for keeping a pipe fitting.

The pipe clip gripping member comprises the pipe catch surface of a plurality of inside, is arranged on the conduit between adjacent each pipe catch surface, and is formed in the hole within the pipe clip gripping member.

When pipe fitting vibration and displacement, hole and conduit work and absorb the displacement of pipe fitting, thus formation vibrationproof performance.

Housing can comprise the pair of angled surface, each since its downward-sloping extension in corresponding upper end between inclined surface, to form pipe fitting plug-in mounting mouth.

The pipe catch surface of pipe clip gripping member can be made for plat surface.Alternatively, the pipe catch surface can be shaped on the recess that is fit to pipe fitting.

The conduit of pipe clip gripping member can be formed in the longitudinal extension of pipe fitting.The hole of pipe clip gripping member can be formed in vertically going up of pipe fitting and extend.

Housing can comprise the undercut part, is used to hold the pipe clip gripping member.

Description of drawings

Fig. 1 is the end elevation that meets the anti-vibration clamp of one embodiment of the present invention;

Fig. 2 is the top view that meets this embodiment's of the present invention anti-vibration clamp;

Fig. 3 is the end elevation that meets this embodiment's of the present invention anti-vibration clamp casing;

Fig. 4 and Fig. 4 (a) are the cross section views of being got along Fig. 3 straight line A-A, the state when Fig. 4 (b) diagram is equipped with the pipe clip gripping member;

Fig. 5 is a simplified schematic diagram, shows the activity of pipe clip gripping member when pipe fitting vibration and displacement;

Fig. 6 is the end elevation of traditional anti-vibration clamp.

Embodiment

With reference to accompanying drawing, every embodiment of the present invention will be described now.Fig. 1 is the end elevation that meets the anti-vibration clamp of first embodiment of the invention.Fig. 2 is the top view of this anti-vibration clamp.This anti-vibration clamp comprises a plurality of retained part A1 and is adjacent to an attaching part A 2 of each retained part.Attaching part A 2 comprises consent B and connected member C, and the stud bolt that allows to be fixed in (not shown) on the automotive body inserts wherein.Each retained part A1 comprises the housing of being made by hard resin material 20, and the pipe clip gripping member 30 that is used to keep be fitted into the pipe fitting T of housing 20 the insides.

In each retained part A1, the housing of being made by hard resin material 20 has diapire 20b, pair of sidewalls 20a and a pair of roof 20c.The shell space that forms rectangle by diapire 20b, paired sidewall 20a and paired roof 20c.

The end of housing 20 roof 20c has pair of angled surface 22, and extend respectively oblique below, and plug-in mounting mouth 21 is formed between the housing 20 pair of angled surfaces 22 to allow pipe fitting T in the attaching of pipe fitting or free in the operation and pass wherein.The thickness that each inclined surface 22 is made is less than the thickness of sidewall 20a and roof 20c, thus when pipe fitting T passes plug-in mounting mouth 21 this inclined surface generation resiliently deformable.

Fig. 3 is shown in pipe clip gripping member 30 and is secured to the housing 20 under the state before the housing 20.Fig. 4 (a) is the cross section view of being got along straight line A-A, and its middle shell 20 is furnished with the undercut part, is used for holding reliably when pipe clip gripping member 30 is secured to housing subsequently this pipe clip gripping member 30.Fig. 4 (b) shows the state when the pipe clip gripping member is secured to housing.

Return Fig. 1, pipe clip gripping member 30 is housed in the inner space of housing 20.Pipe clip gripping member 30 is made by flexible soft resin material, and is contacted with each sidewall 20a, diapire 20b, each roof 20c and each inclined surface 22.Pipe clip gripping member 30 can be made by rubber.Opening 33 is arranged on the top of pipe clip gripping member 30 and passes wherein in the pipe fitting instrumentation operations to allow pipe fitting T.The width that opening 33 has allows pipe fitting to pass wherein by push operation less than the external diameter of pipe fitting T, can prevent to install pipe fitting in place simultaneously and easily be extracted by it.

Bottom conduit 35b is on the lower surface of pipe clip gripping member 30, and side conduit 35a is on each side surface of pipe clip gripping member 30.Downward-sloping surperficial 36a is as the pipe catch surface, built between each of bottom conduit 35b and two side conduit 35a.Secondly, acclivitous surperficial 36b is as the pipe catch surface, built between each of open top 33 and two side conduit 35a.The core that is centered on by four

inclined surface

36a, 36b forms space 34, and pipe fitting T can be installed in this space 34.The external diameter that distance between each of two groups of opposed

inclined surface

36a and 36b is slightly less than pipe fitting T is maintained between opposed each inclined surface with the pipe fitting T that allows to be installed among the hole 34.Pipe fitting T is remained among the hole 34 by these four

inclined surface

36a, 36b.

Though each

inclined surface

36a, 36b have been made into plat surface in the various embodiments described above, each

inclined surface

36a, 36b can be made into the identical recessed surface with pipe fitting T.

In pipe clip gripping member 30, upper cavity 38 is formed between opening 33 and each the sidewall 20a, and lower cavity 37 is formed on the somewhere between bottom conduit 35b and each the sidewall 20a.This makes pipe clip gripping member 30 be easy to resiliently deformable to hole 37,38.When pipe fitting is assembled to pipe clip gripping member 30 the insides, mainly be that upper cavity 38 deforms so that pipe fitting T is housed among the pipe clip gripping member 30a.

When pipe fitting T vibration and displacement, can work to absorb vibration in each

conduit

35a, 35b and hole 37,38.Say that more specifically as pipe fitting T during to side displacement, corresponding side conduit 35a can mainly deform to absorb displacement.As pipe fitting T during to bottom offset, bottom conduit 35b can mainly deform.Secondly, when pipe fitting T was mobile sideling, corresponding

inclined surface

36a, 36b and

corresponding hole

37,38 can deform to absorb displacement.

In this anti-vibration clamp, the vibrationproof performance is strengthened by conduit 35a, the 35b and the

hole

37,38 that are formed on the pipe clip gripping member 30.

Below the operation that pipe is secured to anti-vibration clamp will be described.

When pipe fitting T was fitted into pipe clip gripping member 30 the insides, inclined surface 22 was by pipe fitting T pressurization and make it bending deflection.The opening 33 of pipe clip gripping member 30 is made it to enlarge by pipe fitting T, and upper cavity 38 is pushed and be out of shape.

After 34 the insides, space that pipe fitting T are fitted in the pipe clip gripping member 30, inclined surface 22 deforms and turns back to its original shape, and the width of opening 33 turns back to original state.Thereby pipe fitting T is clamped by four

inclined surface

36a, 36b, so that can not come off.

Fig. 5 is a simplified schematic diagram, shows the motion of pipe clip gripping member 30 when pipe fitting T vibration and displacement.Fig. 5 (a) shows the motion at pipe fitting T pipe fitting T during to bottom offset.As pipe fitting T during to bottom offset, pipe fitting T promotes inclined surface 36a downwards increasing distance therebetween, and enlarges lower channel 35b, thereby has absorbed displacement.As pipe fitting T during to side displacement, pipe fitting T promotes corresponding

inclined surface

36a, 36b increasing distance therebetween and to enlarge corresponding side conduit 35a, thereby has absorbed displacement.The activity of pipe fitting T when Fig. 5 (b) shows below pipe fitting T is oblique displacement.When pipe fitting T tilt displacement, pipe fitting T promotes corresponding inclined surface 36a downwards so that corresponding hole 37 is out of shape, thereby has absorbed displacement.Thereby even pipe fitting T vibrates and displacement on either direction, vibration also is 37,38 absorptions of

conduit

35a, 35b and hole.

Thereby this anti-vibration clamp can strengthen the vibrationproof performance by conduit 35a, the 35b and the

hole

37,38 that are formed on the pipe clip gripping member 30.

Just like above-mentioned, the present invention can provide a kind of anti-vibration clamp that can obtain height vibrationproof performance together with height reliability.

Claims

1. An anti-vibration fixture, comprising:

a housing with a rectangular mounting space, and

a resilient pipe retaining member disposed within said space of said housing and adapted to retain pipe, said pipe retaining member comprising a plurality of internal pipe retaining surfaces disposed on adjacent pipe retaining surfaces the channel between, and the cavity made within the tube holder, wherein

When the pipe is vibrated and displaced, the cavities and the channels act to absorb the displacement of the pipe, thereby forming anti-vibration properties.

2. The anti-vibration clamp according to claim 1, wherein said housing includes a pair of inclined surfaces each extending obliquely downward from its respective upper end to form a pipe insertion opening between said inclined surfaces.

3. The anti-vibration clamp according to claim 1, wherein said pipe holding surface of said pipe holding member is formed as a flat surface.

4. The anti-vibration clamp according to claim 1, wherein said pipe holding surface is formed with a recess fitting to said pipe.

5. The anti-vibration clamp according to claim 1, wherein the channel of said pipe holding member is formed to extend in the longitudinal direction of said pipe.

6. The anti-vibration clamp according to claim 1, wherein the cavity of said tube holding member is formed to extend in the longitudinal direction of said tube.

7. The anti-vibration clamp of claim 1, wherein said housing includes an undercut portion for retaining said tube holder.