CN2153696Y

CN2153696Y - Quick-acting connector for pipe

Info

Publication number: CN2153696Y
Application number: CN 93205180
Authority: CN
Inventors: 陈旺松
Original assignee: Liyuan Precision Industry Co ltd
Current assignee: Liyuan Precision Industry Co ltd
Priority date: 1993-03-06
Filing date: 1993-03-06
Publication date: 1994-01-19
Anticipated expiration: 2003-03-06

Abstract

The utility model relates to a quick-acting pipe connector. A bearing seat is extended from one end of a coupling body for positioning a connecting retaining cap, and the two sides of the bearing seat are provided with hollow slots. The two sides of the hollow slot are provided with lugs, a bump is extended from the bottom of the lug, the bump is provided with a position hole, and the outside of the bump is provided with a slope. A wrench arm is pivoted between the lugs and can deflect, the end side is provided with a cam which can move into and sheathed with the neck ring portion, and the connecting head is fixed on the bearing seat. The wrench arm is provided with a projected position seat, and a penetrative slot is arranged on the position seat. A positioning member penetrates into the penetrative slot and is contacted by an elastic element, and the salient post on the end surface of the positioning member extends out of a shaft bore and can be sheathed on a position hole.

Description

Quick-acting connector for pipe

The utility model relates to a kind of pipe joint, particularly relates to a kind of quick coupling.

The pipe joint structure as shown in Figure 1, comprised that one connect body 1 in the past, and the one end is extended with 2, four lugs 3 of bearing of sky, and lug 3 is one group with two, respectively is located at bearing 2 both sides, establishes a saturating dead slot 4 between the lug 3, is communicated with bearing 2; Link head 5 is placed on bearing 2, is positioned at dead slot 4 sections and establishes a neck ring portion 6; Be articulated between the lug 3 and deflection but two pull arm 7, pull arm 7 in abutting connection with the saturating distolateral cam 8 of establishing of dead slot; Pull arm 7 and deflect down, cam 8 moves into the neck ring portion 6 of bearing 2 space fit link heads 5 by saturating dead slot 4, and cam 8 forms the neck ring portion 6 that compresses link head 5 and is fixed in bearing 2.

Yet pull the only simple neck ring portion 6 of arm 7 with cam 8 fit link heads 5, pull arm 7 and there is no other engagement members and locate, pull arm 7 deflections location after, be subjected to external force and stir and be easy to reverse deflection, cam 8 breaks away from neck ring portion 6, often has the shortcoming that causes joint 5 to get loose.

Other has progressive design, as shown in Figure 2, be to connect body 1 correspondence to pull the appropriate location of arm 7 deflections location and establish a projection 9, projection 9 is established an aperture that laterally runs through 11, pull the corresponding projection 9 of arm 7 middle section positions and establish a perforation 12, the distolateral through hole 13 of establishing is for socket one clasp 14; As shown in Figure 3, pulling arm 7 deflections compresses link head 5 and is fixed in bearing 2, the perforation 12 of pulling arm 7 is by projection 9, just can make and pull arm 7 deflections location, and then pick up clasp 14, and with the aperture that laterally runs through 11 of the involutory projection 9 of an end of clasp 14, clasp 14 passes the aperture 11 of projection 9, will pull arm 7 blockings location.

Though aforementioned pull arm 7 deflections can blocking the location, clasp 14 is from picking up and involution passes aperture 11, step is numerous and diverse, operation is difficult for, and causes pipe joint to be connected inconvenient operation relatively; It is affixed to understand present pipe joint from the above description, if only pulling arm 7 deflections with structure compresses joint and then gets loose easily, pull arm if pass aperture 11 blockings of projection 9 with clasp 14, then inconvenient operation still has as above many inconvenience in use, reaches undesirable part.

Main purpose of the present utility model is to be to provide a kind of quick coupling, and the user can directly push and pull arm deflection, promptly compress link head, and be fixed in and connect body and locate, reach convenient and operate and pull arm blocking location fast, thereby compress the link head location.

A kind of quick coupling of the present utility model, it mainly is: extend a bearing at connection body one end and be nested with the location for a link head, the bearing both sides are provided with two saturating dead slots, and the bearing downside is extended with projection, and projection is provided with positioning hole, and the outside is provided with the inclined-plane; But pull arm for two and be articulated in saturating dead slot and the deflection that connects body, its distolateral cam that is provided with, cam can move into the neck ring portion of fit link head, and link head is fixed in bearing; Pull the positioning seat that arm is provided with protrusion, cover for align member, and compress, but the protrusion post of align member end face protrudes out axis hole and fit positioning hole with elastic element; Pull arm and can directly push deflection, protrude post and compress the inclined-plane, pivot pin is compressed according to slotted eye by elastic element to move, protrude post and protrude into the mutual fit of positioning hole location, can make things convenient for operation fast to pull arm, and the blocking location, and cam compresses the link head strong fix.

Below by most preferred embodiment and accompanying drawing quick coupling of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 be in the past pipe joint pull arm only merely with the sectional view of cam locus fit joint neck ring portion.

Fig. 2 is that the arm of pulling of pipe joint is in the past established the schematic representation that the perforation socket connects the body projection.

Fig. 3 be Fig. 2 in the past the arm of pulling of pipe joint establish the schematic representation that the clasp snapping connects the aperture of body projection.

Fig. 4 is the exploded view of the utility model preferred embodiment.

Fig. 5 is the assembled sectional view of the utility model preferred embodiment.

Fig. 6 is that the arm of pulling of the utility model preferred embodiment deflects down and compresses joint and be fixed in the schematic representation that connects body.

Fig. 7 be the utility model preferred embodiment Fig. 6 pull that arm continues to deflect down, protrude upper end, post contact inclined-plane and the sectional view when compressing mutually.

Fig. 8 is the protrusion post contact lower end, inclined-plane of the utility model preferred embodiment and the sectional view when compressing mutually.

Fig. 9 is the schematic representation that arm continues to forward to location action downwards of pulling of the utility model preferred embodiment.

Figure 10 is that Fig. 9 of the utility model preferred embodiment protrudes the make progress sectional view in positioned in alignment hole of post.

Figure 11 is that the pivot pin of the utility model preferred embodiment is drop-down, protrudes the sectional view that post breaks away from positioning hole.

Figure 12 is that the protrusion post of the utility model preferred embodiment breaks away from positioning hole, pulls the schematic representation that arm can upwards be pulled.

Shown in Fig. 4,5, a kind of quick coupling of the present utility model, comprise connect body 20, link head 30, two is pulled arm 40, align member 50.

Connect body 20, the one end extends the bearing 21 in a suitably interior circle footpath, space 22 courts that bear that bearing 21 is established a suitably interior circle footpath extend axially, both sides are established two saturating dead slots 23 and are radially relative, and two lugs 24 are established at a distance of suitable spacing in saturating dead slot 23 both sides, and protrude the suitable distance of side face, lug 24 downsides are respectively established a projection 25, axially extended positioning hole 26 on one day is established in the bottom side, and an inclined-plane 27 corresponding lugs 24 suitable distance of being separated by is established in projection 25 outsides, tilts to the inside down; Connection body 20 other ends are established an extension tube 28 and can be supplied connection pipe fitting.

Link head 30, it is ring body can bear space 22 according to what axially be placed on bearing 21, and outer circumferential face is positioned at 23 sections in dead slot district and establishes a neck ring portion 31, neck ring portion 31 and recessed suitable radians; Link head 30 internal diameters are provided with a screw thread 32 can be for being spirally connected another pipe fitting.

Pull arm 40 and have two, being correspondence is sleeved between the lug 24, but and run through to articulate with two pins 41 and make its deflection, pull arm 40 in abutting connection with the saturating dead slot 23 distolateral cams 42 of establishing, establish a positioning seat 43 that protrudes in end adjacency connection body 20 sides in addition in cam 42, positioning seat 43 is established a slotted eye that runs through 44, and when pulling arm 40 and pulling deflect, location notch hole 44 is positioned in alignment hole 26 upwards; A groove 45 is established in the contiguous bottom of slotted eye 44 inner peripheral surfaces, and the other end is contiguous distolateral to be established the stage 46 that contracts in one and extend, and the stage 46 is established an axis hole that runs through 47, and axis hole 47 also is concentric in slotted eye 44.

Align member 50, its two pivot pin 51 covers slotted eye 44 respectively, pivot pin 51 contiguous stages 46 downsides are provided with a flange 52, can withstand stages 46 location, flange 52 end faces are provided with and protrude post 53, its distolateral formation circular arc, protrude out axis hole 47 suitable lengths, as shown in Figure 6, pulling arm 40 is that the center protrudes out end distance from L with protruding post 53 with pin 41, and this is that the center equates approximately with the inclined-plane 27 upper end length L of projection 25 with lug 24 with pin 41; Two elastic elements (present embodiment is meant pressure spring 54) internal diameter covers pivot pin 51, and is socketed on slotted eye 44 and compresses flange 52; One fastener (present embodiment be meant C type buckle 55) internal diameter covers pivot pin 51, and is articulated in the groove 45 of slotted eye 44 and compresses pressure spring 54; Two clasps 56 articulate pivot pin 51 in addition.

The utility model quick coupling expects that the effect of reaching is presented below:

Shown in Fig. 5,6,12, link head 30 bears space 22 according to what axially be placed on bearing 21, and neck ring portion 31 is positioned at dead slot 23 sides and is connected; When using, pull arm 40 downwards towards extension tube 28 deflections, cam 42 is center deflection with pin 41, cam 42 protrudes arc end by saturating dead slot 23, and immigration bears space 22 and fit neck ring portion 31, and cam 42 and neck ring portion 31 cover merging mutually compress link head 30 and locate.

Shown in Fig. 6～8, the utility model will be pulled fastening link head 30 downwards with pulling arm 40, during use, directly push and pull arm 40 downward beats, utilize and protrude 27 upper ends, inclined-plane that post 53 protrudes out end and projection 25, both all are about L apart from the length of pin 41, when then pulling arm 40 and be the downward beat in center with the pin, protrusion post 53 protrudes out end and at first touches 27 upper ends, inclined-plane, when pulling arm 40 and continuing downward beat, protrude post 53 arc ends and can smooth-goingly slip into inclined-plane 27, slip into inclined-plane 27 and compress mutually and protrude post 53, protrude the axial force that post 53 produces towards pressure spring 54 directions, flange 52 extruding pressure springs 54; Pull arm 40 and continue to lower swing, coaxial pins 51 continues compression pressure spring 54 according to slotted eye 44 and moves, and protrudes post 53 and also partly moves into slotted eye 44, protrudes length and reduces, up to protruding 27 lower ends, post 53 distolateral contact inclined-planes; Pull arm 40 and continue again then to protrude post 53 protruding ends near positioning hole 26 to lower swing, and involutory gradually up to complete matching.

Shown in Fig. 9,10, protrude post 53 this moment and be disengaged position with projection 25, compressing strength mutually disappears immediately, the pressure spring 54 upwards elastic force of bounce-back compresses flange 52, pivot pin 51 moves axially according to slotted eye 44 guiding courts, protrude post 53 axis hole 47 protruding upward and fit positioning holes 26, flange 52 up to pivot pin 51 withstands stages 46 location, protrusion post 53 protrudes out the abundant fit positioning hole 26 of length and fixes, pull arm 40 and protruded post 53 fit positioning holes, 26 restrictions and strong fix, the characteristic that reach safety, can conveniently fasten; Relative, cam 42 fit neck ring portions 31 very firmly compress joint 30, and what make that it is fixed in bearing 21 bears space 22, can not become flexible disengaging.

Can very clear understanding by above-mentioned explanation, the utility model can directly be pushed and pull arm 40 deflections, pull arm 40 spacing deflection between lug 24, pull arm 40 steadily beat to the location, the slotted eye 44 of positioning seat 43 and axis hole 47 be positioned in alignment hole 26 upwards, so can directly easily pushing, the user pulls arm 40 beats, promptly control protrusion post 53 protrudes out termination and contacts 27 upper ends, inclined-plane, and compress mutually, up to protruding post 53 involutory positioning holes 26, pivot pin 51 stretches out mobile, protrudes the very accurate fit positioning hole 26 of post 53 and is fixed, pull arm 40 strong fixs and can not become flexible, and easy to operate quick.

As Figure 11, shown in 12, and will remove the time, as long as draw clasp 56 with finger buckle, pivot pin 51 retraction slotted eyes 44 move, pivot pin 51 compresses pressure spring 54, protrude post 53 and break away from positioning hole 26 soon, this moment the user, can pull arm 40 upwards towards breaking away from extension tube 28 direction deflections, cam 42 is center deflection with pin 41, and cam 42 protrudes arc end and leaves neck ring portion 31, can point this moment and decontrol clasp 56, the protrusion post 53 elastic force pushing tow of spring 54 by compression stretches out, pull arm 40 and continue upwards beat, cam 42 moves into saturating dead slot 23, and cam 42 breaks away from fully with neck ring portion 31.So, pull easily oppositely deflection of arm 40, link head 30 gets loose.

In sum, quick coupling of the present utility model, when pulling arm deflection, the user can draw clasp by finger buckle, can control the pivot pin telescopic moving very easily, protrude column sleeve and close or break away from positioning hole, reach convenient operation fast and pull arm and compress the link head strong fix, and easily oppositely deflection, the link head that gets loose is for the purpose of dismounting.

Claims

1, a kind of quick coupling extends a bearing at its end that connects body, and bearing is provided with towards the axially extended space that bears, and the both sides of bearing are provided with two and are radially relative saturating dead slot; But two are articulated in the saturating dead slot position that connects body with pulling arm deflection, pull arm in abutting connection with the saturating distolateral cam that is provided with of dead slot; The space that bears of bearing is equipped with link head, and the section that is positioned at dead slot on the link head is provided with neck ring portion; Arm is pulled in deflection, can make cam move into the neck ring portion that bears space and fit link head, and link head is fixed in the space that bears of bearing; It is characterized in that:

The saturating dead slot downside that connects body respectively is provided with projection, and the bottom side of projection is provided with positioning hole, and the outside is provided with and the be separated by inclined-plane of a segment distance of saturating dead slot;

The other end of pulling on the arm cam relatively is in abutting connection with connecting the positioning seat that the body side is provided with protrusion, positioning seat be provided with the slotted eye that runs through, axis hole, and inner peripheral surface be provided with the stage, pull following time when pulling arm, slotted eye aligns with positioning hole;

Described quick coupling also includes align member, elastic element, align member is to overlap the pivot pin that is through slotted eye respectively, described pivot pin is provided with flange, it can withstand stage and location, the pivot pin end face also is provided with the protrusion post, protrude the styletable side and can protrude out axis hole, fit positioning hole, the distance that protrusion styletable side and inclined-plane correspondence are pulled the arm center of rotation equates; Elastic element is socketed on slotted eye respectively and compresses flange, and cover is installed with fastener on the pivot pin, fastener roof pressure elastic element and be articulated in slotted eye.

When pushing deflection when pulling arm, protrude post and compress the inclined-plane, elastic element compresses pivot pin, pivot pin moves according to slotted eye, protrude that post protrudes into positioning hole and with the mutual fit of positioning hole location.