CN2085458U

CN2085458U - Joint for water supply

Info

Publication number: CN2085458U
Application number: CN 90221566
Authority: CN
Inventors: 周贤昌
Original assignee: Qinhang Industry Co ltd
Current assignee: Qinhang Industry Co ltd
Priority date: 1990-09-29
Filing date: 1990-09-29
Publication date: 1991-09-25

Abstract

The utility model relates to a joint for water supply. A tap supporting seat is connected between a hose joint for connecting a hose and a tap joint installed at a tap. The joint containing part of the half upper part of the tap supporting seat can be spirally connected with the tap joint in a free installing and disassembling mode, and can be directly installed at the tap whose water outlet periphery mask is provided with a male thread; meanwhile, the small diameter formed from the half lower part of the tap supporting seat is used as the connecting part of the hose joint. The hose joint can be sheathed with the tap supporting seat in the free installing and disassembling mode.

Description

Joint for water supply

The utility model refers to a kind of connection water tap especially and supplies water to the joint of use in washing machine flexible pipe about a kind of Joint for water supply.

Always Joint for water supply is installed on the method for water tap and is, on the trisection or quartering position of side face outside the joint, spiral shell is adorned the screw of the adjusting of can radially advancing and retreat respectively, makes locking nut push against side face outside the faucet outlet, and Joint for water supply is fixed on the water tap.When the shortcoming of the method is that hydraulic pressure increases suddenly, Joint for water supply will have the danger from the water tap slippage.Secondly, the end face of water tap is necessary for the plane, contacts and the infiltration phenomenon arranged otherwise be difficult for keeping tight with the sealing lining when installing.

In addition, for the water tap that side face outside the water outlet has the external screw thread design, above-mentioned Joint for water supply obviously can't be installed on this water tap, and must be replaced with general water tap could use.

For addressing the above problem, the utility model provides a kind of Joint for water supply of improvement, it has for the coupling for faucet that is installed in general water tap and for the hose coupling that links flexible pipe, it is characterized in that: have leading bearing between coupling for faucet and the hose coupling, this tap bearing is provided with the assembling recess at an upper portion thereof, and carve at the assembling recess and to establish female thread, it both can have been loaded and unloaded be screwed together in coupling for faucet freely, can be assemblied in the water outlet outer circumferential face again has on the water tap of external screw thread, and on the quartering position of assembling recess outer circumferential face lug is set respectively, this lug has up-narrow and down-wide groove, supply around the pelletron wedging that lies in water tap on leading bearing, prevent the Joint for water supply slippage, simultaneously with the reduced outer diameter of leading bearing Lower Half as linking department, hose coupling can be loaded and unloaded is sleeved on leading bearing freely.

Fig. 1 is the sectional drawing of the utility model Joint for water supply.

Fig. 2 is the detail exploded view of Fig. 1.

The stereogram of Fig. 3 general water tap for Fig. 1 is installed on.

Fig. 4 is screwed together in the stereogram that the water outlet outer circumferential face has the water tap of external screw thread for utilizing leading bearing.

State when Fig. 5 shows that for identical thought with Fig. 1 hose coupling unloads.

Below enumerate an embodiment and with reference to the characteristics of description of drawings the utility model.

The Joint for water supply 10 of Fig. 1 and 2 demonstration by the coupling for faucet 1 that is installed in water tap, is screwed together in the leading bearing 2 of coupling for faucet 1, and can load and unload the hose coupling 3 that is sleeved on leading bearing 2 freely and constitute.

Coupling for faucet 1 uses Cuprum alloy to be processed into the tubular that runs through up and down, and it is reached by the leading accommodating part 11 that is installed on faucet outlet and the bearing joining portion 12 of leading bearing 2 bindings is constituted.

Outside the tap accommodating part 11 on the side face quartering position, be disposed radially the screw 13 that runs through respectively, make screw 14 push against side face outside water tap 6 water outlets, make coupling for faucet 1 be fixed in general water tap 6 to hold screw 14.The head of above-mentioned screw 14 is a hexagon, and has " ten " word groove, so that wrench, Word or

The word screwdriver all can use.

The footpath is less than footpath outside the leading accommodating part 11 outside the bearing joining portion 12, and carves at outer circumferential face and to establish external screw thread 15, is bolted in bearing joining portion 12 for above-mentioned leading bearing 2.

A sheathed liner 16 of while within the bearing joining portion 12, this liner 16 uses suitable material formation ring-types such as synthetic rubber, and its external diameter is slightly larger than footpath within the coupling for faucet 1, and can tightly put in bearing joining portion 12.Liner 16 tops have a groove 18 concentric with its through hole 17, and the water outlet of water supply stopcock 6 embeds, to cause good sealing at coupling for faucet 1 and 6 in water tap.Radially be arranged with simultaneously an annular groove 19 in liner 16 through holes 17 appropriate locations, in order to filter screen 20 to be installed, impurity blocks solenoid valve in the anti-sealing.

Leading bearing 2 is used material formation tubulars such as synthetic resin, and it is by the joint accommodating part 21 that is assemblied in above-mentioned bearing joining portion 12, and the joint linking department 22 that reaches for hose coupling 3 and its fit constitutes.

Joint accommodating part 21 has an assembling recess 23, and carve at assembling recess 23 inwalls and to establish female thread 24, supply leading bearing 2 to load and unload and be screwed together in bearing joining portion 12 freely, and can directly be installed on the water tap 7 that the water outlet outer circumferential face has external screw thread 71 as ground as shown in Fig. 4.Consult Fig. 3, on the side face quartering position lug 25 is set respectively outside the joint accommodating part 21, this lug 25 has up-narrow and down-wide groove 26, the width of wherein wide ditch is slightly less than steel ball 51 diameters of pelletron 5, make steel ball 51 can tightly place Kuan Gouzhong, and the width of narrow ditch is more less than steel ball 51 diameters, can only allow that steel wire 52 passes, make pelletron 5 one ends can cater to one of lug 25 earlier, again pelletron 5 around tying up to water tap 6, then other end is agreed with at corresponding lug 25, improve the ability that Joint for water supply 10 bears hydraulic pressure thus, it is too high or when increasing suddenly to eliminate hydraulic pressure, and Joint for water supply 10 is easily by the shortcoming of water tap 6 slippages.

Joint linking department 22 comprises two sections external diameters, the footpath is slightly larger than footpath outside the top outside its middle and lower part, and forms chamfer surface 27 between two sections joining place, has the receiving groove 28 that is arranged with along footpath side simultaneously outside the bottom on the side face, in order to assembling zero shape ring 29, to prevent and the leakage of 3 of hose couplings.

Hose coupling 3 is combined by a body 30, three buttons pawl 31, one pressure springs 32 and a sliding sleeve 33.

Materials such as body 30 use synthetic resin form the tubular that runs through up and down, its first half is in order to be inserted in joint linking department 22, and on the trisection posistion of its outer circumferential face, one button pawl assembly room 34 is set respectively, and assembly room 34 offers hole 35 and runs through body 30, make on the button pawl 31 and can stretch in the body 30, and grab the chamfer surface 27 that is buckled in joint linking department 22 as illustrated in fig. 1, make hose coupling 3 be linked to leading bearing 2.The reduced outer diameter of body 30 Lower Halves is many, and its outer circumferential face pushes away by number joint and constitute, as flexible pipe linking department 36, in order to connect flexible pipe 4.

Above-mentioned button pawl 31 generally is " P " shape, is installed on the button pawl assembly room 34 of body 30, and it can grab button or releasing-joint linking department 22 by the control of sliding sleeve 33.

Pressure spring 32 is placed in the first half of body 30, and its end is connected to bead 37, and the prominent wall 38 of sliding sleeve 33 is then withstood in the upper end, with the mat spring force sliding sleeve 33 is replied voluntarily.Above-mentioned bead 37 forms along square radially extension the under body 30 first halves.

Sliding sleeve 33 uses material formation tubulars such as synthetic resin, its internal diameter is identical generally with bead 37 external diameters of body 30, and removable freely be sleeved on body 30 first halves, and on the trisection posistion of sliding sleeve 33 inner peripheral surfaces, the prominent wall 38 that protrudes in inner peripheral surface is set respectively, should dashing forward simultaneously, the button pawl 31 with above-mentioned is corresponding respectively for wall 38, and end promptly peaks at the bottom of prominent wall 38 on the pressure spring 32, make sliding sleeve 33 in the normal position, that is to say, when pressure spring 32 is not compressed, but these prominent wall 38 packing button pawls 31, and make its top stretch in the body 30 by hole 35.

When sliding sleeve 33 (this moment, pressure spring 32 was compressed) when its outer circumferential face arrow direction indication is shifted, prominent wall 38 can discharge button pawl 31, make button pawl 31 be loosening but the state of can not come off (because of the restriction of body 30 inwalls is arranged), so hose coupling 3 can up be placed in the joint linking department 22 of leading bearing 2, decontrol sliding sleeve 33 then, make sliding sleeve 33 mat spring force reversion, utilize prominent wall 38 packing button pawls 31, and make its top stretch into body 30 and grab the chamfer surface 27 that is buckled in joint linking department 22 by hole 35, make hose coupling 3 be linked to leading bearing 2.Same,, also can unload hose coupling 3 easily toward pressing down when moving at sliding sleeve 33.

In sum, the Joint for water supply of the utility model is because have leading bearing, so can be installed on the water tap use that the water outlet outer circumferential face has external screw thread, can link pelletron for around tying up on the water tap in leading bearing simultaneously, improve the ability that Joint for water supply bears hydraulic pressure.

Claims

1, a kind of Joint for water supply comprises:

One coupling for faucet that runs through up and down, but the leading accommodating part that be inserted in for water supply stopcock on its top, and on the quartering position of outer wall, be disposed radially screw respectively and hold screw, pushing against water tap, and the bearing joining portion of below is provided with external screw thread;

One hose coupling;

Aforementioned hose coupling further comprises:

One body that runs through up and down, wall is provided with the button pawl assembly room of three interval 120 degree outside its top, and this assembly room also is provided with hole and penetrates body, and the bottom is the flexible pipe linking department, can connect flexible pipe;

Three button pawls generally are " P " shape and are installed on the button pawl assembly room of body;

One pressure spring is placed on the body, and end is shelved on the bead from the extension of body intermediate radial; And

One hollow sliding sleeve is placed in outside the pressure spring, on the trisection posistion of inner circumferential surface, is convexly equipped with the prominent wall of a corresponding button pawl respectively, and end promptly peaks at prominent wall below on this pressure spring;

It is characterized by and have

The one leading bearing that runs through up and down, this tap bearing is made of the joint accommodating part of top and the joint linking department of below, its middle joint accommodating part has an assembling recess, its inwall is carved and is established female thread, and joint linking department system is by constituting on the less external diameter and under the big external diameter, joining place in top and bottom forms chamfer surface, above-mentioned button pawl can be grabbed be buckled in this chamfer surface, leading bearing and hose coupling are fused, and the bottom has the receiving groove that radially is arranged with, be used for installing O shape ring, use and between leading bearing and hose coupling, cause good sealing;

The composition that mat is above-mentioned, this tap bearing system can be screwed together in coupling for faucet, and this hose coupling then can load and unload and be placed in leading bearing freely.

2, Joint for water supply according to claim 1 is characterized in that the ring-type liner top that is installed in coupling for faucet has concentric grooves, and the water supply stopcock water outlet embeds, and radially is arranged with an annular groove in the through hole of running through liner, in order to the assembling filter screen.