CN210531806U

CN210531806U - Internal thread elbow

Info

Publication number: CN210531806U
Application number: CN201921424565.7U
Authority: CN
Inventors: 虞文辉; 虞华胜; 陈海永
Original assignee: Zhejiang Deshou New Building Material Co ltd
Current assignee: Zhejiang Deshou New Building Material Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-15
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses an internal thread elbow, which comprises a water inlet end and a water outlet end, wherein the joint between the water inlet end and the water outlet end is provided with a step surface, a sealing ring is arranged on the step surface, the water outlet end can be detachably connected with an internal thread, one end of the internal thread is butted on the sealing ring, the peripheral side of the internal thread is mutually butted with the inner wall of the water outlet end, and the other end of the internal thread is higher than the water outlet end; the water outlet end can be detached and rotatably connected with a fixing cover used for fixing the inner wire, the fixing cover comprises a fixing ring used for abutting against the inner wire, a clamping block is arranged at one end of the fixing ring, a connecting rod is fixedly connected between the fixing ring and the clamping block, and the outer wall of the water outlet end is fixedly connected with a fixing block which can be abutted to the clamping block. The utility model discloses can realize when the internal thread needs to be changed, with the internal thread from the water pipe dismantle get off can, save the resource.

Description

Internal thread elbow

Technical Field

The utility model relates to a water pipe head especially relates to an internal thread elbow.

Background

At present, the water pipe adapter of connecting tap at water supply system generally adopts the internal thread elbow, and the water pipe play water end of internal thread elbow adopts the welded mode to fix with the internal thread, internal thread and tap threaded connection, when damage need be changed appear in tap, the internal thread has the wearing and tearing that internal thread and tap are connected and also need to be changed, because the internal thread can't be dismantled from the water pipe, so just need change whole internal thread elbow, resource-wasting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an internal thread elbow, when the purpose need be changed the internal thread, with the internal thread from the water pipe dismantle get off can, save the resource.

The above object of the present invention can be achieved by the following technical solutions:

an internal thread elbow comprises a water inlet end and a water outlet end, wherein a step surface is arranged at the joint between the water inlet end and the water outlet end, a sealing ring is arranged on the step surface, the water outlet end is detachably connected with an internal thread, one end of the internal thread is abutted against the sealing ring, the peripheral side of the internal thread is abutted against the inner wall of the water outlet end, and the other end of the internal thread is higher than the water outlet end; the water outlet end can be detached and rotatably connected with a fixing cover used for fixing the inner wire, the fixing cover comprises a fixing ring used for abutting against the inner wire, a clamping block is arranged at one end of the fixing ring, a connecting rod is fixedly connected between the fixing ring and the clamping block, and the outer wall of the water outlet end is fixedly connected with a fixing block which can be abutted to the clamping block.

Through adopting above-mentioned technical scheme, the internal thread butt is on the sealing washer, makes the internal thread be difficult for the infiltration with the elbow junction, when fixed lid rotated the outer wall that goes out the water end and makes fixture block and fixed block butt each other, fixed lid has the extrusion to the internal thread, makes the internal thread fixed in going out the water end, need change just with fixture block roll-off fixed block when internal thread screw thread wearing and tearing, with fixed lid from going out water end outer wall roll-off, can take out the internal thread of screw thread wearing and tearing, change new internal thread, thereby realize the purpose of changing the internal thread, save resources.

The utility model discloses further set up to: a first annular groove is formed in the step surface, the sealing ring is clamped in the first annular groove, and one part of the sealing ring extends out of the first annular groove.

Through adopting above-mentioned technical scheme, the sealing washer is spacing on the step face by first ring channel, makes that the sealing washer can be better with the internal thread butt formation sealed.

The utility model discloses further set up to: a second annular groove is formed in one end, abutted to the sealing ring, of the inner wire, and the sealing ring is abutted to the second annular groove.

Through adopting above-mentioned technical scheme, the second annular groove makes better and the sealing washer butt of internal thread, makes that the internal thread can be better forms sealedly with the sealing washer butt.

The utility model discloses further set up to: the internal thread comprises a limiting block arranged on the outer wall of the internal thread, and a limiting groove for the limiting block to slide is formed in the inner wall of the water outlet end.

Through adopting above-mentioned technical scheme, when the internal thread was packed into out the water outlet end, the stopper slided in along the spacing groove, and the stopper is spacing with the internal thread, and tap drives the internal thread and rotates when preventing tap and internal thread to the phenomenon of skidding appears in avoiding tap.

The utility model discloses further set up to: the cylinder groove has been seted up with one side of internal thread looks butt to solid fixed ring, and the spring is installed to the opening in cylinder groove towards the internal thread, cylinder groove, and the one end butt of spring has the ball at cylinder groove tank bottom, the other end butt of spring, and the ball is located the cylinder inslot, and the opening in cylinder groove is connected with the spacing ring, and the internal diameter of spacing ring is less than the diameter of ball, and the internal thread is close to solid fixed ring's one side and ball contact.

Through adopting above-mentioned technical scheme, when fixed lid rotated, the ball also can be along with rolling, and the downthehole spring pressure of cylinder can act on the internal thread through the ball on, makes the butt of internal thread and sealing washer inseparabler.

The utility model discloses further set up to: one side of the fixed block is provided with a stop block.

Through adopting above-mentioned technical scheme, prevent that the fixture block from slipping the head when slipping into the fixed block and fixed block butt, make fixed lid better fix the internal thread in the play water end.

The utility model discloses further set up to: the fixed block is far away from one side of dog and has seted up the fillet.

Through adopting above-mentioned technical scheme, rotate fixed lid, the fixture block can be along fillet slip-in with the fixed block butt, the fixed block has certain extrusion to the fixture block, make fixed lid better fix the internal thread at a water outlet end.

To sum up, the utility model discloses a beneficial technological effect does:

the internal thread is detachably mounted in the water outlet end, the fixing cover has a fixing effect on the internal thread mounted at the water outlet end, so that the internal thread cannot easily slide out of the water outlet end to influence normal use of the internal thread elbow, when the internal thread is worn, the fixing cover is unscrewed to take out the internal thread, and only new internal threads are replaced, so that resources are saved.

Drawings

FIG. 1 is an overall schematic view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is a schematic view of the structure of the bump stopper and the second annular groove of the present embodiment;

FIG. 4 is a schematic view of the first annular groove and seal ring associated with the present embodiment;

FIG. 5 is a sectional view of the fixing cover of the present embodiment;

fig. 6 is an enlarged view of fig. 5 a in this embodiment.

Description of reference numerals: 1. a limiting ring; 2. a water inlet end; 3. a water outlet end; 4. a step surface; 5. internal thread; 6. a fixed cover; 61. a fixing ring; 62. a connecting rod; 63. a clamping block; 7. a fixed block; 71. a stopper; 72. round corners; 8. a first annular groove; 9. a second annular groove; 10. a seal ring; 11. a limiting block; 12. a limiting groove; 13. a cylindrical groove; 14. a spring; 15. and a ball.

Detailed Description

The embodiment is an internal thread elbow, as shown in fig. 1 and 2, including water inlet end 2 and water outlet end 3, there is a step surface 4 at the junction between water outlet end 3 and water inlet end 2, water outlet end 3 is detachably connected with internal thread 5, internal thread 5 slides into water outlet end 3 along the inner ring of water outlet end 3 and abuts against step surface 4, the peripheral side of internal thread 5 and the inner wall of water outlet end 3 abut against each other, and the end of internal thread 5 far away from step surface 4 is higher than water outlet end 3.

As shown in fig. 3 and 4, the step surface 4 is provided with a first annular groove 8, the first annular groove 8 is provided with a sealing ring 10, a part of the sealing ring 10 extends out of the first annular groove 8, and the first annular groove 8 is used for limiting the position of the sealing ring 10, so that the sealing ring 10 can be better abutted against the inner wire 5. The second annular groove 9 has been seted up to one side of interior silk 5 and 4 butts of step face, second annular groove 9 and sealing washer 10 joint, make interior silk 5 can be better with sealing washer 10 butt, when interior silk 5 slips into out water end 3, interior silk 5 is heightened a little by sealing washer 10 pad, when interior silk 5 received the pressure to step face 4 one side, sealing washer 10 was compressed tightly between first ring channel 8 and second annular groove 9 to realize interior silk 5 and go out water end 3 between sealed.

As shown in fig. 1 and 3, the water outlet end 3 is provided with a fixing cover 6 for fixing the inner wire 5, the fixing cover 6 comprises a fixing ring 61, one end of the fixing ring 61 close to the inner wire 5 is provided with a fixture block 63, a connecting rod 62 is fixedly connected between the fixing ring 61 and the fixture block 63, the outer wall of the water outlet end 3 is fixedly connected with a fixing block 7 which can be matched with the fixture block 63, one side of the fixing block 7 is connected with a stop block 71, and one side of the fixing block 7 far away from the stop block 71 is provided. Fixed lid 6 slides in towards water outlet end 2, one side of going out water outlet end 3's one side butt is kept away from with internal thread 5 to one side of solid fixed ring 61, fixture block 63 misplaces with fixed block 7 earlier, rotate fixed lid 6 and rotate toward fillet 72 direction of fixed block 7, slide in one side of solid fixed ring 61 with fixture block 63 along fillet 72 with fixed block 7, make fixed block 7 keep away from one side and fixture block 63 butt of solid fixed ring 61, make fixed lid 6 have certain extrusion to internal thread 5, make the better fixing of internal thread 5 in water outlet end 3, improve the leakproofness between internal thread 5 and the sealing washer 10.

As shown in fig. 2, the outer wall of the internal thread 5 is fixedly connected with four limiting blocks 11, the limiting blocks 11 are uniformly distributed along the peripheral side of the internal thread 5, and the water outlet end 3 is provided with a limiting groove 12 for the limiting blocks 11 to slide. When the inner wire 5 slides into the water outlet end 3 along the limiting groove 12, the inner wire 5 is limited to slide in and out only and cannot rotate, so that when the inner wire 5 is fixed in the water outlet end 3 of the inner wire elbow by the fixing cover 6, the phenomenon of sliding when the inner wire 5 is connected with a water tap can be prevented.

As shown in fig. 5 and 6, a cylindrical groove 13 is formed in one side of the fixing ring 61, which is in contact with the inner wire 5, an opening of the cylindrical groove 13 faces the inner wire 5, a spring 14 is mounted in the cylindrical groove 13, one end of the spring 14 is in contact with the bottom of the cylindrical groove 13, the other end of the spring 14 is in contact with a ball 15, the ball 15 is located in the cylindrical groove 13, the opening of the cylindrical groove 13 is connected with a limit ring 1, and the inner diameter of the limit ring 1 is smaller than the diameter of the ball 15. After the ball 15 is installed in the cylindrical groove 13, the limit ring 1 is further clamped into the opening of the cylindrical groove 13 in an interference manner. When the fixing cover 6 fixes the inner wire 5 in the water outlet end, the ball 15 is pressed against one side of the inner wire 5 close to the fixing ring 61, and the spring 14 has an extrusion force on the inner wire 5 through the ball 15, so that the sealing performance between the inner wire 5 and the step surface 4 is better.

The use state of the present embodiment:

when the threads of the inner thread 5 are worn, the fixing cover 6 is rotated to slide the fixture block 63 out of the fixing block 7, the fixing cover 6 is slid out of the water outlet end 3, the inner thread 5 with worn threads is taken out, a new inner thread 5 slides into the water outlet end 3 along the limiting groove 12 to be abutted against the sealing ring 10, the fixing cover 6 is taken out to slide into the outer wall of the water outlet end 3 and then rotates towards the fillet 72 of the fixing block 7, the fixture block 63 slides into the fillet 72 to be abutted against the fixing block 7, and the inner thread 5 is hermetically fixed in the water outlet end 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an internal thread elbow, includes into water end (2) and play water end (3), its characterized in that: a step surface (4) is arranged at the joint between the water inlet end (2) and the water outlet end (3), a sealing ring (10) is mounted on the step surface (4), the water outlet end (3) is detachably connected with an inner wire (5), one end of the inner wire (5) is abutted against the sealing ring (10), the peripheral side of the inner wire (5) is abutted against the inner wall of the water outlet end (3), and the other end of the inner wire (5) is higher than the water outlet end (3); go out water end (3) can dismantle to rotate and be connected with fixed lid (6) that are used for fixed internal thread (5), fixed lid (6) are equipped with fixture block (63) including fixed ring (61) that are used for butt internal thread (5), the one end of fixed ring (61), fixedly connected with connecting rod (62) between fixed ring (61) and fixture block (63), go out water end (3) outer wall fixedly connected with can with fixture block (63) looks butt fixed block (7).

2. The female wire elbow as claimed in claim 1, wherein: a first annular groove (8) is formed in the step surface (4), a sealing ring (10) is clamped in the first annular groove (8), and one part of the sealing ring (10) extends out of the first annular groove (8).

3. The female wire elbow as claimed in claim 2, wherein: a second annular groove (9) is formed in one end, abutted to the sealing ring (10), of the inner wire (5), and the sealing ring (10) is abutted to the second annular groove (9).

4. The female wire elbow as claimed in claim 1, wherein: the internal thread (5) comprises a limiting block (11) arranged on the outer wall of the internal thread, and a limiting groove (12) for the limiting block (11) to slide is formed in the inner wall of the water outlet end (3).

5. The female wire elbow as claimed in claim 1, wherein: cylindrical groove (13) have been seted up with one side of internal thread (5) looks butt in solid fixed ring (61), the opening of cylindrical groove (13) is towards internal thread (5), spring (14) are installed in cylindrical groove (13), the one end butt of spring (14) is at cylindrical groove (13) tank bottom, the other end butt of spring (14) has ball (15), ball (15) are located cylindrical groove (13), the opening of cylindrical groove (13) is connected with spacing ring (1), the internal diameter of spacing ring (1) is less than the diameter of ball (15), one side and ball (15) contact that internal thread (5) are close to solid fixed ring (61).

6. The female wire elbow as claimed in claim 1, wherein: one side of the fixed block (7) is provided with a stop block (71).

7. The female wire elbow as claimed in claim 6, wherein: and a round corner (72) is arranged on one side of the fixing block (7) far away from the stop block (71).