CN212900194U - Tube head connecting structure of telescopic water pipe - Google Patents

Abstract

The utility model relates to a tube head connection structure of flexible water pipe, it includes elasticity pipe, flexible cloth cover, inner core connects and latch closure, and flexible cloth cover is established at elasticity pipe outer wall, and the one end that the inner core connects is pegged graft in the elasticity pipe, is provided with the limbers on the center axis that the inner core connects, and the tip cover of flexible cloth cover is established in one of inner core connects and is served, and the outside at inner core joint and flexible cloth cover is connected to the latch closure lock joint. This application has the tube head of convenient flexible water pipe and installs, and simple structure's effect.

Description

Tube head connecting structure of telescopic water pipe

Technical Field

The utility model relates to a field of flexible water pipe especially relates to a tube head connection structure of flexible water pipe.

Background

The conventional telescopic water pipe on the market at present is an elastic pipe made of latex, rubber or TPR (thermoplastic rubber) thermoplastic elastomer, and the radial water passing area and the longitudinal length of the elastic pipe can be expanded and extended by 2-4 times under the protection of a telescopic cloth sleeve; when the pressure water source is turned off, the telescopic water pipe retracts to the original product size under the effect of the resilience force of the inner core elastic pipe, and the water pipe is small in size and convenient to use.

To the correlation technique among the above-mentioned, all be provided with the tube head at the both ends of flexible water pipe generally, because the tube head department structure of current flexible water pipe is complicated, and the installation is comparatively troublesome, consequently awaits the improvement.

SUMMERY OF THE UTILITY MODEL

For the tube head of convenient flexible water pipe install, and simple structure, this application provides a tube head connection structure of flexible water pipe.

The application provides a tube head connection structure of flexible water pipe adopts following technical scheme: the utility model provides a tube head connection structure of flexible water pipe, includes elasticity pipe, flexible cloth cover, inner core connects and the latch closure, flexible cloth cover is established at the elasticity pipe outer wall, the one end that the inner core connects is pegged graft in the elasticity pipe, be provided with the limbers on the center axis that the inner core connects, the tip cover of flexible cloth cover is established in one of inner core connects and is served, the outside at inner core joint and flexible cloth cover is buckled to the latch closure lock joint.

Through adopting above-mentioned technical scheme, during the installation, earlier with flexible cloth cover on the elastic tube, then insert in the elastic tube with the one end that the inner core connects, the tip straining of flexible cloth cover is on the inner core connects by the latch closure at last, realizes the fixed of flexible cloth cover and inner core joint, can press from both sides the tip of flexible cloth cover and elastic tube tightly on the inner core connects simultaneously moreover, the effect of installing is carried out to the tube head that realizes making things convenient for flexible water pipe, and simple structure.

Preferably, the inner core joint comprises a clamping part, a convex ring and a sealing part which are connected in sequence, the convex ring is positioned between the clamping part and the sealing part, and the telescopic cloth sleeve is sleeved on the clamping part.

Through adopting above-mentioned technical scheme, can constitute the inner core by clamping part, bulge loop sealing part and connect, flexible cloth cover can be through the latch closure when the straining is on clamping part, and the bulge loop can establish the position to flexible cloth cover and carry on spacingly.

Preferably, the cover is equipped with the union on the tip of flexible cloth cover, the union is kept away from the inside internal thread portion that is provided with of one end of cloth cover, the inside of union is provided with the inner ring piece, the internal diameter of inner ring piece is less than the external diameter of bulge loop, still includes the external joint of threaded connection on the union, a pot head of external joint spiro union is established on the sealing.

By adopting the technical scheme, the movable joint is sleeved on the cloth sleeve before the cloth sleeve is fastened, and after the cloth sleeve is fastened and the movable joint slides outwards on the cloth sleeve, the convex ring can clamp the inner ring block to prevent the movable joint from being separated from the telescopic cloth sleeve; simultaneously the one end of external joint can carry out the spiro union with the union, and the external joint can seal with the sealing, reduces water and oozes from the junction of sealing and external joint.

Preferably, the outer wall of the sealing part is provided with at least one annular clamping groove, and a sealing ring is embedded in the clamping groove.

Through adopting above-mentioned technical scheme, through the cooperation between draw-in groove and the sealing washer, when the joint cup joints on the sealing, can realize sealed effect with the outer wall that the inner core connects.

Preferably, one end of the clamping part, which is close to the elastic tube, is provided with a tapered part, and the outer diameter of the tapered part gradually increases towards the direction close to the sealing part.

Through adopting above-mentioned technical scheme, set up the toper portion, can play the effect of direction, conveniently with the inside of inner core joint quick insertion elastic tube.

Preferably, an annular clamping groove is formed between the conical part and the convex ring, the ring buckle is buckled on the clamping groove, and at least two buckling grooves are uniformly arranged on the outer wall of the ring buckle at intervals.

Through adopting above-mentioned technical scheme, set up and press from both sides tight groove, when the latch closure is fastened, form the catching groove by the lock-in machine at the latch closure surface, can press from both sides flexible cloth cover tightly on pressing from both sides tight groove, press from both sides tight groove and can play spacing effect, reduce the probability that the latch closure drops from the clamping part, improve the clamping stability to flexible cloth cover of latch closure.

Preferably, the outer walls of the movable joint and the outer joint are provided with anti-skid lines.

Through adopting above-mentioned technical scheme, set up anti-skidding line, can improve the frictional force between hand and loose joint, the external joint outer wall, conveniently rotate loose joint and external joint, the probability of skidding when reducing rotation loose joint and external joint.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) by arranging the elastic pipe, the telescopic cloth sleeve, the inner core joint and the ring buckle in a matching manner, the ring buckle can simultaneously fasten the elastic pipe and the telescopic cloth sleeve on the inner core joint, the effect of facilitating the installation of the pipe head of the telescopic water pipe is realized, and the structure is simple;

(2) through the matching between the convex ring and the inner ring block, when the movable joint slides on the outer wall of the telescopic cloth sleeve, the movable joint can be prevented from being separated from the telescopic cloth sleeve;

(3) through setting up the sealing washer, can realize the sealed effect of external joint and sealing.

Drawings

FIG. 1 is a schematic structural view of a telescopic water pipe of the present embodiment;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

fig. 3 is an exploded view of the coupling structure of the cartridge according to the present embodiment.

Reference numerals: 1. an elastic tube; 2. a telescopic cloth cover; 3. an inner core joint; 31. a clamping portion; 32. a convex ring; 33. a sealing part; 4. looping; 5. a water through hole; 6. a movable joint; 7. an inner ring block; 8. an external connector; 9. a card slot; 10. a seal ring; 11. anti-skid lines; 12. a tapered portion; 13. a clamping groove; 14. a tightening ring; 15. and (6) buckling grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses tube head connection structure of flexible water pipe. Referring to fig. 1 and 2, the tube head connection structure includes an elastic tube 1, a flexible cloth cover 2, an inner core joint 3 and a ring buckle 4, and the tube head is disposed at both ends of the flexible water tube.

The elastic tube 1 can be selected as a latex tube, the telescopic cloth sleeve 2 is sleeved on the outer wall of the elastic tube 1, the telescopic cloth sleeve 2 can be selected as a gourd-shaped cloth sleeve, and the gourd-shaped cloth sleeve can be subjected to radial and axial shrinkage deformation better; the inner core joints 3 are arranged at two ends of the elastic pipe 1, a water through hole 5 is formed in the central axis of the inner core joint 3, and the water through hole 5 is communicated with the elastic pipe 1; the inner core joint 3 comprises a clamping part 31, a convex ring 32 and a sealing part 33 which are integrally connected in sequence, the convex ring 32 is positioned between the clamping part 31 and the sealing part 33, and the clamping part 31 is inserted into the end part of the elastic tube 1. In addition, the end of the telescopic cloth cover 2 is sleeved on the overlapped part of the elastic tube 1 and the clamping part 31, and the ring buckle 4 is buckled on the overlapped outer part of the clamping part 31 and the telescopic cloth cover 2, so that the telescopic cloth cover 2 and the elastic tube 1 are clamped on the clamping part 31, and the tube head of the telescopic water tube is quickly connected.

Referring to fig. 2 and 3, the two ends of the telescopic cloth cover 2 are respectively sleeved with a movable joint 6, the movable joints 6 are arranged on the telescopic cloth cover 2 in a sliding manner, the inner diameter of each movable joint 6 is larger than the maximum outer diameter of the inner core joint 3, and the inner core joint 3 is positioned in the movable joint 6; an internal thread part is arranged inside one end of the movable joint 6 far away from the cloth cover, an inner ring block 7 is integrally formed inside the movable joint 6, the inner ring block 7 is positioned at a position close to the middle of the movable joint 6, and the inner diameter of the inner ring block 7 is smaller than the outer diameter of the convex ring 32, so that the movable joint 6 can be prevented from sliding off the telescopic cloth cover 2; in addition, the internal thread part of the movable joint 6 is screwed with the external joint 8, one screwed end of the external joint 8 is also sleeved on the sealing part 33, the external joint 8 is in sealing connection with the sealing part 33, and the external joint 8 can be a valve or a joint in clamping connection with a water tap.

Specifically, at least one annular clamping groove 9 is formed in the outer wall of the sealing part 33, and a sealing ring 10 is embedded in the clamping groove 9; when one end of the outer joint 8 is fitted over the seal portion 33, sealing can be achieved by the seal ring 10.

In addition, all be equipped with anti-skidding line 11 on the outer wall of union 6 and external joint 8, conveniently rotate union 6 and external joint 8, and difficult slipping with union 6 and external joint 8.

The end part of the clamping part 31 inserted into the elastic tube 1 is provided with a conical part 12, the outer diameter of the conical part 12 is gradually increased towards the direction close to the sealing part 33, the conical part 12 can play a role of guiding, and the clamping part 31 is conveniently inserted into the elastic tube 1; in addition, an annular clamping groove 13 is arranged between the conical part 12 and the convex ring 32, the buckle 4 is buckled on the clamping groove 13, and when the buckle 4 is buckled, the buckle can be contracted on the clamping groove 13, so that the buckle 4 is not easy to separate from the clamping part 31, and the connection stability of the buckle 4 and the clamping part 31 is improved; meanwhile, at least two buckling grooves 15 are uniformly arranged on the outer wall of the buckle 4 at intervals, and the buckling grooves 15 are formed when being buckled and pressed by a buckling machine; in the scheme, the number of the buckling grooves 15 is six, so that the cloth cover and the elastic tube 1 are clamped more stably.

The bottom of the clamping groove 13 is integrally formed with at least one abutting ring 14, and the number of the abutting rings 14 is two in the embodiment, at least one abutting ring 14 is arranged along the axial direction of the clamping part 31; when the buckle 4 is fastened, the elastic tube 1 and the elastic cloth cover 2 are subjected to larger pressure at the position of the abutting ring 14, so that the connection stability of the elastic cloth cover 2 and the elastic tube 1 with the clamping part 31 is improved, and the sealing performance of the elastic tube 1 and the clamping part 31 can also be improved.

The implementation principle of the tube head connecting structure of the telescopic water pipe in the embodiment of the application is as follows: during the installation, earlier 2 covers on the elastic tube 1 of flexible cloth cover, then with the loose joint 6 cover on flexible cloth cover 2, insert elastic tube 1 with the clamping part 31 of inner core joint 3 in succession, buckle 4 at last with the tip straining of flexible cloth cover 2 and elastic tube 1 on clamping part 31, realize that flexible cloth cover 2, elastic tube 1 and inner core joint 3 three's are fixed, make things convenient for the tube head of flexible water pipe to install, and simple structure.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a tube head connection structure of flexible water pipe which characterized in that: the elastic pipe joint comprises an elastic pipe (1), a telescopic cloth sleeve (2), an inner core joint (3) and a ring buckle (4), wherein the outer wall of the elastic pipe (1) is sleeved with the telescopic cloth sleeve (2), one end of the inner core joint (3) is inserted into the elastic pipe (1), a water through hole (5) is formed in the central axis of the inner core joint (3), the end part of the telescopic cloth sleeve (2) is sleeved on one end of the inner core joint (3), and the ring buckle (4) is fastened outside the inner core joint (3) and the telescopic cloth sleeve (2).

2. A pipe head connecting structure of a telescopic water pipe according to claim 1, wherein: the inner core connects (3) including clamping part (31), bulge loop (32) and sealing (33) that connect gradually, bulge loop (32) are located between clamping part (31) and sealing (33), flexible cloth cover (2) cover is established on clamping part (31).

3. A pipe head connecting structure of a telescopic water pipe according to claim 2, wherein: the cover is equipped with union (6) on the tip of flexible cloth cover (2), the inside internal thread portion that is provided with of one end that the cloth cover was kept away from in union (6), the inside of union (6) is provided with interior ring block (7), the internal diameter of interior ring block (7) is less than the external diameter of bulge loop (32), still includes external joint (8) of threaded connection on union (6), a pot head of external joint (8) spiro union is established on sealing (33).

4. A pipe head connecting structure of a telescopic water pipe according to claim 3, wherein: the outer wall of the sealing part (33) is provided with at least one annular clamping groove (9), and a sealing ring (10) is embedded in the clamping groove (9).

5. A pipe head connecting structure of a telescopic water pipe according to any one of claims 2 to 4, wherein: one end of the clamping part (31) close to the elastic tube (1) is provided with a conical part (12), and the outer diameter of the conical part (12) is gradually increased towards the direction close to the sealing part (33).

6. A pipe head connecting structure of a telescopic water pipe according to claim 5, wherein: be provided with annular clamping groove (13) between toper portion (12) and bulge loop (32), latch closure (4) lock joint is on clamping groove (13), the outer wall of latch closure (4) is even and the interval is provided with two at least catching grooves (15).

7. A pipe head connecting structure of a telescopic water pipe according to claim 3, wherein: and anti-skid lines (11) are arranged on the outer walls of the movable joint (6) and the external joint (8).

Images