CN213018157U

CN213018157U - Telescopic water pipe

Info

Publication number: CN213018157U
Application number: CN202021849264.1U
Authority: CN
Inventors: 张炳源; 张睿钊
Original assignee: Zhangzhou Gedeng Rubber And Plastic Products Co ltd
Current assignee: Zhangzhou Gedeng Rubber And Plastic Products Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-04-20
Anticipated expiration: 2030-08-29

Abstract

The utility model relates to a flexible water pipe, it includes the elasticity pipe, flexible cloth cover, the tube core, loose joint and external joint, the tube core is including the clamping part that connects gradually, bulge loop and sealing part, the clamping part is pegged graft inside the elasticity pipe, flexible cloth cover is established on the elasticity pipe, the both ends of flexible cloth cover and elasticity pipe are fixed on the clamping part, the loose joint cup joints on flexible cloth cover, the inside of loose joint is provided with interior lug, the internal diameter of interior lug is less than the external diameter of bulge loop, it is provided with the sealing member to lie in between bulge loop and the interior lug in the clamping part, an pot head of external joint establish on the sealing part and with the inside spiro union of loose joint, and one side of clamping part is kept away from to the one end butt of external joint at the bulge loop. This application has the tube head that reduces flexible water pipe and takes place the effect of the condition of leaking.

Description

Telescopic water pipe

Technical Field

The application relates to the field of flexible water pipe, especially relate to a 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.

In view of the above-mentioned related technologies, a pipe head is generally disposed at both ends of the telescopic water pipe, and the elastic pipe and the telescopic cloth cover are expanded and expanded in the axial and radial directions by water pressure. However, in the process of using the telescopic water pipe, the water pressure is high, and the water leakage phenomenon occurs at the pipe head of the water pipe, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition that the tube head of flexible water pipe takes place to leak, this application provides a flexible water pipe.

The application provides a flexible water pipe adopts following technical scheme: the utility model provides a telescopic water pipe, includes elasticity pipe, flexible cloth cover, tube core, union and external joint, the tube core is including clamping part, bulge loop and the sealing portion that connects gradually, the clamping part is pegged graft inside the elasticity pipe, flexible cloth cover is established on the elasticity pipe, the both ends of flexible cloth cover and elasticity pipe are fixed on the clamping part, the union cup joints on the elasticity cloth cover, the inside of union is provided with interior lug, the internal diameter of interior lug is less than the external diameter of bulge loop, it is provided with the sealing member to lie in between bulge loop and the interior lug in the clamping part, a pot head of external joint is established on the sealing portion and with the inside spiro union of union, just one end butt of external joint is in the bulge loop one side of keeping away from the clamping part.

By adopting the technical scheme, the two ends of the telescopic cloth cover and the elastic tube are fixed on the clamping part of the tube core, when the movable joint and the external joint are screwed together, the inner wall of one end of the external joint can form sealing with the sealing part, and water in the tube core is prevented from seeping out from the space between the external joint and the outer wall of the tube core; meanwhile, when one end of the external joint abuts against one side, far away from the clamping part, of the convex ring, the movable joint and the external joint are continuously screwed, the sealing element can be clamped between the inner convex block and the convex ring, sealing between the movable joint and the outer wall of the pipe core is achieved, and therefore sealing at a second position is formed.

Preferably, the clamping part is provided with a first clamping groove near one end of the convex ring, the sealing element is a first sealing ring embedded in the first clamping groove, and one side of the first sealing ring is attached to one side of the convex ring.

Through adopting above-mentioned technical scheme, first sealing washer can be installed on first draw-in groove to fix on one side of bulge loop, when union and external joint screw thread, one side of interior lug can press from both sides tight first sealing washer including between lug and the bulge loop.

Preferably, an outer supporting part is arranged at the end part of the elastic tube, the sealing element is an outer supporting part, and the inner surface of the outer supporting part is attached to one side, close to the clamping part, of the convex ring; when the movable joint is locked with the external joint, one side of the inner convex block is attached to the outer surface of the external support part.

Through adopting above-mentioned technical scheme, when pegging graft the clamping part in the elasticity pipe, because the elasticity pipe has better deformation effect, when the terminal surface of elasticity pipe contacted the one side of bulge loop, can continue to remove and paste one side of bulge loop and outwards strut, form the external stay portion, and then have the external stay portion as the sealing member, simple structure forms fast, and is with low costs.

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

Through adopting above-mentioned technical scheme, through the cooperation between second draw-in groove and the second sealing washer, when the external joint cup joints on the sealing, can form sealedly.

Preferably, one end of the movable joint is provided with a connecting ring, the outer wall of the connecting ring is provided with an external thread portion, a third sealing ring is arranged in the connecting ring, and one side of the third sealing ring is attached to the end face of the sealing portion.

By adopting the technical scheme, when the external thread part of the connecting ring is in threaded connection with the movable joint, the third sealing ring can be clamped on the end part of the sealing part, and the sealing effect between the external joint and the sealing part is improved.

Preferably, the telescopic cloth cover further comprises a ring buckle used for clamping the telescopic cloth cover on the clamping portion, the ring buckle is sleeved on the end portion of the telescopic cloth cover, and the ring buckle is buckled on the clamping portion.

By adopting the technical scheme, the ring buckle is sleeved at the end part of the telescopic cloth cover, the clamping part is inserted into the elastic tube, and the telescopic cloth cover and the elastic tube can be simultaneously clamped on the clamping part through the ring buckle, so that the stable connection of the telescopic cloth cover, the elastic tube and the clamping part is realized.

Preferably, the clamping part is provided with a clamping groove, the buckle is buckled on the clamping groove, and the outer wall of the buckle is uniformly provided with at least two buckling grooves 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 bottom of the clamping groove is provided with at least one abutting ring, and the abutting ring is arranged along the axial direction of the clamping part.

Through adopting above-mentioned technical scheme, when the latch closure presss from both sides the elasticity pipe and flexible cloth cover tightly on pressing from both sides tight groove, the elasticity pipe can have in the position of supporting tight ring and receive great pressure, improves the tight stability of clamp and the sealed effect of elasticity pipe and clamping part.

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 insert the inside of elastic tube with the tube core fast.

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

(1) the end part of the telescopic water pipe can form one seal by the movable joint and the sealing part, and can form a second seal by the sealing element between the inner convex block and the convex ring, when water seeps out from the space between the sealing part and the outer joint, the seepage can be prevented by the sealing element, and the effect of reducing the water leakage of the pipe head of the telescopic water pipe is realized;

(2) the outer support part formed by the outer support of the end part of the elastic tube is used as a sealing element, so that the cost can be saved, and the structure is simple;

(3) through the third sealing washer, can form sealed effect between the inside of external joint and sealing part terminal surface, further reduce the effect that the tube head of flexible water pipe takes place the condition of leaking.

Drawings

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

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

FIG. 3 is an exploded view of the head of the telescopic water pipe of the present embodiment 1;

fig. 4 is a schematic structural diagram of embodiment 2.

Reference numerals: 1. an elastic tube; 2. a telescopic cloth cover; 3. a die; 31. a clamping portion; 32. a convex ring; 33. a sealing part; 4. a movable joint; 5. an external connector; 6. looping; 7. an inner bump; 8. a connecting ring; 9. a first card slot; 10. a first seal ring; 11. a second card slot; 12. a second seal ring; 13. a third seal ring; 14. a clamping groove; 15. buckling grooves; 16. a tightening ring; 17. a tapered portion; 18. an outer support portion.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1:

referring to fig. 1 and 2, the embodiment of the application discloses a telescopic water pipe, which comprises an elastic pipe 1, a telescopic cloth cover 2, a pipe core 3, a movable joint 4, an external joint 5 and a ring buckle 6. A water through hole is formed in the tube core 3 along the axis direction and is communicated with the elastic tube 1; the telescopic cloth cover 2 is sleeved on the outside of the elastic tube 1, the elastic tube 1 can be selected as a latex tube, a good elastic deformation effect is achieved, and the telescopic cloth cover 2 can be selected as a gourd-shaped cloth cover. The tube cores 3 are fixed at two ends of the elastic tube 1, and the tube cores 3 are fixed at two ends of the elastic tube 1 and the telescopic cloth cover 2.

Referring to fig. 2 and 3, the die 3 includes a clamping portion 31, a protruding ring 32, and a sealing portion 33, which are connected in sequence and integrally, the protruding ring 32 having an outer diameter larger than the outer diameters of the clamping portion 31 and the sealing portion 33; the clamping part 31 is inserted in the elastic tube 1, the telescopic cloth cover 2 is sleeved on the elastic tube 1, the end part 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 6 is buckled on the overlapped outer part of the clamping part 31 and the telescopic cloth cover 2; after the ring buckle 6 is sleeved on the end part of the telescopic cloth sleeve 2, the ring buckle is buckled, so that the telescopic cloth sleeve 2 and the two ends of the elastic tube 1 are clamped on the clamping part 31 simultaneously, and the clamping is convenient and quick.

The movable joint 4 is sleeved on the telescopic cloth sleeve 2, the movable joint 4 is arranged on the telescopic cloth sleeve 2 in a sliding mode, and the inner diameter of the movable joint 4 is larger than the maximum outer diameter of the tube core 3, so that the movable joint 4 can cover the tube core 3; an internal thread part is arranged in one end of the movable joint 4 far away from the cloth cover, an annular internal convex block 7 is integrally formed in the movable joint 4, and the inner diameter of the internal convex block 7 is smaller than the outer diameter of the convex ring 32, so that the movable joint 4 can be prevented from sliding off the telescopic cloth cover 2.

The external connection 5 may be a valve or a connection for a clamping connection to a tap. One end of the external joint 5 close to the telescopic cloth sleeve 2 is integrally connected with a connecting ring 8, and the outer wall of the connecting ring 8 is provided with an external thread part which is in threaded connection with the movable joint 4; the connecting ring 8 is sleeved on the sealing part 33 and is in sealing connection with the sealing part 33, so that the sealing between the sealing part 33 and the external joint 5 is realized; when the union 4 is screwed to the outer joint 5, one end of the connection ring 8 abuts on the side of the convex ring 32 away from the clamping portion 31. Wherein, a sealing element is arranged between the convex ring 32 and the inner convex block 7 on the clamping part 31, and one end of the external joint 5 is sleeved on the sealing part 33 and is in threaded connection with the internal thread part of the movable joint 4.

Specifically, an annular first clamping groove 9 is formed in one end, close to the convex ring 32, of the clamping portion 31, the sealing element is a first sealing ring 10 embedded in the first clamping groove 9, the first sealing ring 10 can be made of a rubber material, and one side of the first sealing ring 10 is attached to one side of the convex ring 32; when the movable joint 4 is in threaded connection with the external joint 5 and one end of the connecting ring 8 abuts against one side of the convex ring 32, the movable joint 4 is driven to move, so that one side of the inner bump 7 is tightly attached to one side of the first sealing ring 10, and the movable joint 4 is sealed with the convex ring 32 of the tube core 3; when water seeps out from the space between the sealing part 33 and the connecting ring 8, the first sealing ring 10 can prevent leakage, and the water seepage of the water pipe is reduced.

At least one annular second clamping groove 11 is formed in the outer wall of the sealing portion 33, in this embodiment, the number of the second clamping grooves 11 is two, and a second sealing ring 12 is embedded in the second clamping groove 11; when the connection ring 8 is fitted over the seal portion 33, the seal between the outer joint 5 and the seal portion 33 can be achieved by the second seal ring 12.

The third sealing ring 13 is sleeved inside the connecting ring 8, and when the movable joint 4 is in threaded connection with the external joint 5, the third sealing ring 13 can be clamped between the end face of the sealing part 33 and the inside of the connecting ring 8, so that the probability of water seepage from the space between the outer wall of the sealing part 33 and the inner wall of the connecting ring 8 is reduced, and the water seepage of the water pipe is further reduced.

The clamping portion 31 is provided with an annular clamping groove 14, the buckle 6 is buckled on the clamping groove 14, and when the buckle 6 is buckled, the buckle can be contracted on the clamping groove 14, so that the buckle 6 is not easy to separate from the clamping portion 31, and the connection stability of the buckle 6 and the clamping portion 31 is improved. At least two buckling grooves 15 are uniformly and alternately arranged on the outer wall of the buckle 6, and the buckling grooves 15 are formed when being buckled and pressed by a buckling machine; in this embodiment, the number of the catching grooves 15 is six to more stably clamp the cloth cover and the elastic tube 1.

The bottom of the clamping groove 14 is integrally formed with at least one abutting ring 16, and the number of the abutting rings 16 is two in the embodiment, at least one abutting ring 16 is arranged along the axial direction of the clamping portion 31; when the buckle 6 is fastened, the elastic tube 1 and the elastic cloth cover 2 are subjected to larger pressure at the position of the abutting ring 16, 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 end of the clamping part 31 inserted into the elastic tube 1 is provided with a taper part 17, the outer diameter of the taper part 17 is gradually increased towards the direction close to the sealing part 33, and the taper part 17 can play a role of guiding, so that the clamping part 31 can be conveniently and quickly inserted into the elastic tube 1.

Example 2:

referring to fig. 4, the present embodiment is different from embodiment 1 in the structure of the sealing member, an outer support portion 18 is provided at the end of the elastic tube 1, the sealing member is selected as the outer support portion 18, and the outer support portion 18 is formed by the outer support of the end of the elastic tube 1.

Because the elastic tube 1 has better elasticity, when the elastic tube 1 is sleeved on the clamping part 31 and the end surface abuts against one side of the convex ring 32, the clamping part 31 is continuously moved towards the inside of the elastic tube 1, so that the inner surface of the outer supporting part 18 is attached to one side of the convex ring 32 close to the clamping part 31, and the end part of the elastic tube 1 can be outwards supported; finally, the elastic tube 1 is fixed and positioned by the ring buckle 6, so that the outer support part 18 is kept stable.

When the movable joint 4 is locked with the external joint 5, one side of the inner convex block 7 is attached to the outer surface of the outer support part 18, and the sealing effect between the movable joint 4 and the convex ring 32 is realized.

The implementation principle of a flexible water pipe of this application embodiment does: when the union 4 and the external joint 5 are screwed together, the union 4 and the external joint 5 encase the tube core 3. The connection ring 8 of the external connector 5 will form a seal with the sealing portion 33, preventing water inside the wick 3 from seeping out between the external connector 5 and the outer wall of the wick 3.

When one end of the external joint 5 abuts against one side of the convex ring 32 far away from the clamping part 31, the movable joint 4 and the external joint 5 are continuously screwed, the sealing element is clamped between the inner convex block 7 and the convex ring 32, the sealing between the movable joint 4 and the outer wall of the tube core 3 is realized, and therefore, a second sealing part is formed, when water seeps out from the space between the movable joint 4 and the sealing part 33, the second seepage prevention can be carried out by the sealing element, and the effect of reducing the water leakage condition of the tube head of the telescopic water tube is realized.

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

1. A telescopic water pipe is characterized in that: comprises an elastic tube (1), a telescopic cloth cover (2), a tube core (3), a movable joint (4) and an external joint (5), wherein the tube core (3) comprises a clamping part (31), a convex ring (32) and a sealing part (33) which are sequentially connected, the clamping part (31) is inserted in the elastic tube (1), the telescopic cloth cover (2) is sleeved on the elastic tube (1), two ends of the telescopic cloth cover (2) and the elastic tube (1) are fixed on the clamping part (31), the movable joint (4) is sleeved on the telescopic cloth cover (2), an internal convex block (7) is arranged in the movable joint (4), the inner diameter of the internal convex block (7) is smaller than the outer diameter of the convex ring (32), a sealing element is arranged between the convex ring (32) and the internal convex block (7) on the clamping part (31), one end of the external joint (5) is sleeved on the sealing part (33) and is in threaded connection with the internal part of the movable joint (4), and one end of the external joint (5) is abutted against one side of the convex ring (32) far away from the clamping part (31).

2. A telescopic water pipe according to claim 1, characterized in that: one end of the clamping portion (31) close to the convex ring (32) is provided with a first clamping groove (9), the sealing element is a first sealing ring (10) embedded in the first clamping groove (9), and one side of the first sealing ring (10) is attached to one side of the convex ring (32).

3. A telescopic water pipe according to claim 1, characterized in that: an outer supporting part (18) is arranged at the end part of the elastic tube (1), the sealing element is the outer supporting part (18), and the inner surface of the outer supporting part (18) is attached to one side, close to the clamping part (31), of the convex ring (32); when the movable joint (4) is locked with the external joint (5), one side of the inner convex block (7) is attached to the outer surface of the external support part (18).

4. A telescopic water pipe according to claim 1, characterized in that: the outer wall of the sealing part (33) is provided with at least one annular second clamping groove (11), and a second sealing ring (12) is embedded in the second clamping groove (11).

5. A telescopic water pipe according to claim 1, characterized in that: the one end of external joint (5) is provided with go-between (8), be provided with external screw thread portion on the outer wall of go-between (8), be provided with third sealing washer (13) in go-between (8), one side and the terminal surface laminating of sealing (33) of third sealing washer (13).

6. A telescopic water pipe according to claim 5, wherein: the clamping device is characterized by further comprising a ring buckle (6) used for clamping the telescopic cloth sleeve (2) on the clamping portion (31), wherein the ring buckle (6) is sleeved on the end portion of the telescopic cloth sleeve (2), and the ring buckle (6) is buckled on the clamping portion (31).

7. A telescopic water pipe according to claim 6, wherein: the clamping part (31) is provided with a clamping groove (14), the buckle (6) is buckled on the clamping groove (14), and the outer wall of the buckle (6) is uniformly provided with at least two buckling grooves (15) at intervals.

8. A telescopic water pipe according to claim 7, characterized in that: the bottom of the clamping groove (14) is provided with a propping ring (16), and the propping ring (16) is provided with at least one along the axial direction of the clamping part (31).

9. A telescopic water pipe according to claim 1, characterized in that: one end of the clamping portion (31) close to the elastic tube (1) is provided with a conical portion (17), and the outer diameter of the conical portion (17) is gradually increased towards the direction close to the sealing portion (33).