CN202580411U

CN202580411U - Direct-insert quick joint

Info

Publication number: CN202580411U
Application number: CN 201220138501
Authority: CN
Inventors: 张松雄
Original assignee: DONGGUAN FUXIANG HARDWARE Co Ltd
Current assignee: DONGGUAN FUXIANG HARDWARE Co Ltd
Priority date: 2012-04-01
Filing date: 2012-04-01
Publication date: 2012-12-05
Anticipated expiration: 2022-04-01

Abstract

The utility model relates to a direct-insert quick joint which comprises a joint main body, a fixed joint and a movable joint, wherein the fixed joint is connected to one end of the joint main body, the movable joint is inserted in the other end of the joint main body, a radial clamp slot and a pin hole are formed in the joint main body, and a T-shaped clamp pin and a clamp pin spring are arranged in the pin hole; a clamp steel sheet is arranged in the radial clamp slot, the clamp steel sheet is provided with a through hole for enabling an inserting part of the movable joint to pass through, the clamp steel sheet is also provided with a push-block part, and a steel sheet spring is arranged between the push-block part and the side wall of the joint main body; and a groove is formed at the root of the inserting part of the movable joint. According to the utility model, the clamp steel sheet is arranged through the radial clamp slot, the springs and the clamp pin, and the clamped connection between the movable joint and the joint main body is realized through the clamping between the edge of the through hole of the clamp steel sheet and the groove at the root of the inserting part of the movable joint, therefore, the combination and separation operations of the movable joint and the joint main body are simpler and more convenient.

Description

A kind of directly-inserted quick quick coupling

Technical field:

The utility model relates to pipeline connection device technical field, refers in particular to a kind of directly-inserted quick quick coupling.

Background technique:

Rapid pipe joint is a kind of joint commonly used that does not need instrument just can realize pipeline connection or disconnection; Commercially available rapid pipe joint at present mainly is ball type rapid pipe joint; Form snap fit between the spring that the dependence adapter body is peripheral and the cutting graftage part of steel ball and movable joint, thereby realize the quick break-make of pipeline.Ball-type quick coupling existing varieties, use a gas line, water line use, such as used oil pipeline, it is a combination of spring ball cassette structure, water / gas when used in other parts will be worn ball rust Tong, likely to cause instability combined to form leakage, life is short, and the connectors on and off when two hands simultaneously, extremely inconvenient.

The model utility content:

The purpose of the utility model promptly is to overcome the above-mentioned deficiency of existing rapid pipe joint, and a kind of durable directly-inserted quick quick coupling easy to assembly, firm is provided.

The utility model realizes that the technological scheme that its purpose adopts is: a kind of directly-inserted quick quick coupling; It comprises adapter body, is connected the permanent joint of adapter body one end and the movable joint of pegging graft with the adapter body the other end; Movable joint has a cutting graftage part; Adapter body is provided with corresponding axial spliced eye, and logical key, logical key spring and the seal rubber pad of ending of ending is installed in adapter body and between the permanent joint, wherein:

The one end end face of pegging graft on the said adapter body, with movable joint forms radially a draw-in groove and a pin-and-hole, and pin-and-hole is positioned at a side of axial spliced eye, and one " T " shape bayonet lock and bayonet lock spring are installed in it; One screens steel disc is installed in the said radially draw-in groove; Said screens steel disc offers the through hole that the cutting graftage part that supplies said movable joint is passed; A side of this through hole radially the draw-in groove direction also be extended with one section chute that supplies said T shape bayonet lock to slide; The screens steel disc also has one and is positioned at the push and block portion of adapter body side direction, and is provided with steel sheet spring between the sidewall of this push and block portion and adapter body;

The root of the cutting graftage part of said movable joint forms a groove.

The through hole of said screens steel disc is a slotted hole.

The utility model waits through draw-in groove, spring and bayonet lock the screens steel disc is set; Utilize screens between the groove of through hole edge and movable joint cutting graftage part root of screens steel disc to realize the clamping of movable joint and adapter body; Because of the control of screens steel disc very easy; Thereby make movable joint and adapter body combine and fractured operation becomes more simple and convenient, and clamping is stable more can prevent heads and increase the service life; In addition, clamping is stable also to make rapid pipe joint on material, can use plastics, thereby reduces manufacture cost.

Description of drawings:

Fig. 1 is the overall structure schematic representation of the utility model;

Fig. 2 is the whole decomposing schematic representation of the utility model;

Fig. 3 is the sectional view of the utility model.

Embodiment:

Below in conjunction with specific embodiment and accompanying drawing the utility model is further specified.

Shown in Fig. 1～3; It comprises the described directly-inserted quick quick coupling of the utility model adapter body 1, is connected the permanent joint 2 of adapter body 1 one ends and the movable joint 3 of pegging graft with adapter body 1 the other end, and movable joint 3 has a cutting graftage part 31, and adapter body 1 is provided with corresponding axial spliced eye 10; And in adapter body 1, and permanent joint 2 between logical key 4, logical key spring 41 and the seal rubber pad 42 of ending of ending is installed; The outer end branch of permanent joint 2 is used for connecting pipeline, and the outer end of movable joint 3 then can be used to connecting pipeline or instrument, therefore; Also show in the drawings and press the pipe nut, be convenient to pipeline and connect firm sealing.

The improvements of the utility model are: an end end face of pegging graft on the said adapter body 1, with movable joint 3 forms radially a draw-in groove 11 and a pin-and-hole 12; Pin-and-hole 12 is positioned at a side of axial spliced eye 10, and one " T " shape bayonet lock 121 and bayonet lock spring 122 are installed in it; One screens steel discs 5 are installed in the said radially draw-in groove 11, and said screens steel disc 5 offers the through hole 51 that the cutting graftage part 31 that supplies said movable joint 3 is passed, and through hole 51 is bigger slightly than axial cutting graftage part 31; A side of this through hole 51 radially draw-in groove 11 directions also be extended with one section chute 511 that supplies said T shape bayonet lock 121 to slide; Screens steel disc 5 also has one and is positioned at the push and block portion 52 of adapter body 1 side direction, and is provided with steel sheet spring 53 between the sidewall of this push and block portion 52 and adapter body 1;

The root of the cutting graftage part 31 of said movable joint 3 forms a groove 311; Its height is suitable with the thickness of said screens steel disc 5; Be after the through hole 51 of said screens steel disc 5 is passed in said cutting graftage part 31, through hole 51 edges of screens steel disc 5 snap in the said groove 311, are that movable joint 3 oppositely breaks away from thereby stop cutting graftage part 31; Accomplish the grafting of movable joint 3 and adapter body 1, promptly accomplish the connection of path.

The through hole 51 of said screens steel disc 5 is a slotted hole, is not regular circular or oval, like this; The edge of the through hole 51 of screens steel disc 5 can snap in 31 grooves 311 of movable joint 3 cutting graftage parts more fully; Bring into play the screens function better, also make screens steel disc 5 have enough stroke distances and be convenient to the cutting graftage part 31 of movable joint 3 and oppositely withdraw from, the interior wall friction of cutting graftage part 31 and through hole 51 when avoiding withdrawing from; Because if stroke is not enough; Cutting graftage part 31 easily with the interior wall friction of through hole 51, hinder separating of movable joint 3 and adapter body 1, also be prone to cause wearing and tearing and leakage.

When screens steel disc 5 is installed, can earlier steel sheet spring 53 be inserted in the spring eye on adapter body 1 sidewall, then screens steel disc 5 is placed the radially draw-in groove 11 of adapter body 1; With the push and block portion 52 of hand propulsion screens steel disc 5, screens steel disc 5 to be carried out to its other end near pin-and-hole 12 places on adapter body 1 end face, insert bayonet lock spring 122 and " T " shape bayonet lock 121 in the pin-and-hole 12 this moment; And be pressed into fully; " T " shape bayonet lock 121 is positioned at below the end face, continues to push away screens steel disc 5 then, make the chute 511 of screens steel disc 5 be positioned at pin-and-hole 12 directly over; The head of " T " shape bayonet lock 121 is ejected; Because the width of chute 511 is less than the external diameter of " T " shape bayonet lock 121 bottoms, therefore " T " shape bayonet lock 121 can not eject fully, and; The bottom of " T " shape bayonet lock 121 produces top power upwards to screens steel disc 5, and screens steel disc 5 is fixed under the acting in conjunction of radially draw-in groove 11, " T " shape bayonet lock 121 and steel sheet spring 53.

When carrying out the grafting of movable joint 3 and adapter body 1; Directly the cutting graftage part 31 of movable joint 3 is inserted in the axial spliced eye 10 of adapter body 1, when the cutting graftage part of movable joint 3 31 root end faces touch T shape bayonet lock 121, make T shape bayonet lock 121 descending; Top power to screens steel disc 5 disappears; Screens steel disc 5 is because the effect of steel sheet spring 53 along radially draw-in groove 11 reversing motions on the adapter body 1, makes snap in the groove 311 of movable joint 3 cutting graftage parts 31 roots 51 edge moments of through hole of screens steel disc 5, simultaneously; The end of cutting graftage part 31 will lead to only that key 4 backs down, thereby pipeline is connected.

And when needs split movable joint 3 with adapter body 1; Only need the direction of screens steel disc 5 to " T " shape bayonet lock 121 promoted; Make it break away from the groove 311 of movable joint 3 cutting graftage parts 31; Movable joint 3 will eject under the reaction force of internal fluid pressure and logical only key spring 41 automatically fast, and pipeline promptly breaks off, and logical only key 4 reseals.

In sum; The utility model waits screens steel disc 5 is set through being arranged on radially draw-in groove 11, spring and bayonet lock on the adapter body 1; Utilize screens between the groove 311 of through hole 51 edges and movable joint 3 cutting graftage parts 31 roots of screens steel disc 5 to realize the clamping of movable joint 3 and adapter body 1; Because of the control of screens steel disc 5 very easy; Thereby make movable joint 3 and adapter body 1 combine and fractured operation becomes more simple and convenient, and clamping is stable more can prevent heads and increase the service life; In addition, clamping is stable also to make rapid pipe joint on material, can use plastics, thereby reduces manufacture cost.

Claims

1. directly-inserted quick quick coupling; It comprises adapter body (1), is connected the permanent joint (2) of adapter body (1) one end and the movable joint (3) of pegging graft with adapter body (1) the other end; Movable joint (3) has a cutting graftage part (31); Adapter body (1) is provided with corresponding axial spliced eye (10), and in adapter body (1) in, with permanent joint (2) between be equipped with and logically end key (4), lead to only key spring (41) and seal rubber pad (42), it is characterized in that:

The end end face that said adapter body (1) goes up, peg graft with movable joint (3) forms radially draw-in groove (11) and a pin-and-hole (12), and pin-and-hole (12) is positioned at a side of axial spliced eye (10), installation one " T " shape bayonet lock (121) and bayonet lock spring (122) in it; One screens steel disc (5) is installed in the said radially draw-in groove (11); Said screens steel disc (5) offers the through hole (51) that the cutting graftage part (31) that supplies said movable joint (3) is passed; The side of this through hole (51) radially draw-in groove (11) direction also be extended with one section chute (511) that supplies said T shape bayonet lock (121) to slide; Screens steel disc (5) also has one and is positioned at the push and block portion (52) of adapter body (1) side direction, and is provided with steel sheet spring (53) between the sidewall of this push and block portion (52) and adapter body (1);

The root of the cutting graftage part (31) of said movable joint (3) forms a groove (311).

2. a kind of directly-inserted quick quick coupling according to claim 1 is characterized in that: the through hole (51) of said screens steel disc (5) is a slotted hole.