CN110332396B

CN110332396B - Water pipe joint

Info

Publication number: CN110332396B
Application number: CN201910656102.1A
Authority: CN
Inventors: 朱金强; 陆挚译; 姚潘涛
Original assignee: Individual
Current assignee: Ningbo Rian Valves Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2021-04-23
Anticipated expiration: 2039-07-19
Also published as: CN110332396A

Abstract

The invention belongs to the technical field of pipeline installation and structure, and particularly relates to a water pipe joint which comprises a water inlet pipe and an adapter; a first groove is formed in the outer ring of the water inlet pipe; a spring and a bulge are arranged in the first groove; the stiffness coefficient of the spring is 50N/M, one end of the spring is fixedly connected in the first groove, and the other end of the spring is fixedly connected with the protrusion; an internal thread is arranged at one end in the adapter, a groove is formed in the inner wall of the other end of the adapter, one end of the adapter with the internal thread is connected with the faucet, and one end of the adapter with the groove is connected with the water inlet pipe; the water inlet pipe is clamped in the adapter through the matching among the groove, the spring and the protrusion; the concave wavy surface of the two sides of the first groove and the convex wavy surface of the two sides of the groove are tightly attached, so that the water inlet pipe and the adapter are matched more firmly.

Description

Water pipe joint

Technical Field

The invention belongs to the technical field of pipeline installation and structure, and particularly relates to a water pipe joint.

Background

The water pipe joint is a common thing in our lives, particularly in kitchens and toilets, tap water flows through a pipeline through the joint and comes out of a faucet, the design of the water pipe joint determines the convenience of connecting and using the water pipe and other equipment, the connection between the tap water pipes and the connection between the water pipe and the faucet are realized through the joint, at present, the water pipes and the joint only have a connection function and are unreliable in connection, under the condition of long-time use, the water pipe can be separated from the joint, when no person is at home of a user, the water pipe is separated from the joint, tap water flows unrestrained, waste of water resources is caused, most serious flood disasters at home and flood at every corner of the home, at present, the connection between the water pipe and the joint is mostly threaded connection of steel and hot melt connection of plastic materials, threaded connection of steel needs a wrench tool for fastening, and a wrench tool is not available in a common household, the plastic material is connected, a hot melting tool is needed, the tool is basically only available to a plumber, and a user rarely has the hot melting tool, so that the installation methods are inconvenient for the user to operate.

Disclosure of Invention

The invention provides a water pipe connector, which aims to make up the defects of the prior art and solve the problems that a water pipe is separated from a connector, the connection of the water pipe in the connector is not firm, and the installation is inconvenient when a resident user needs to operate the water pipe connector by himself.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a water pipe joint, which comprises a water inlet pipe and an adapter; a first groove is formed in the outer ring of the water inlet pipe; a spring and a bulge are arranged in the first groove; the stiffness coefficient of the spring is 50N/M, one end of the spring is fixedly connected in the first groove, and the other end of the spring is fixedly connected with the protrusion; an internal thread is arranged at one end in the adapter, a groove is formed in the inner wall of the other end of the adapter, one end of the adapter with the internal thread is connected with the faucet, and one end of the adapter with the groove is connected with the water inlet pipe; the water inlet pipe is clamped in the adapter through the matching among the groove, the spring and the protrusion; the during operation, insert the adapter at the inlet tube when beginning, the arch has certain slope, the bellied slope of adapter inner wall extrusion, apply the power in the arch and make the spring compressed, the protruding inslot of retrieving, the inlet tube continues to stretch into in the adapter, when protruding card is in the rubber strip upper and lower both sides in the recess, the inlet tube has just been blocked in the adapter, installation inlet tube and adapter whole process easy operation, need not borrow other any instrument during the installation moreover, be fit for domestic.

Preferably, concave wavy surfaces are arranged on two sides of the first groove; convex wavy surfaces are arranged on two sides of the groove of the adapter; the water inlet pipe is difficult to be separated from the adapter through the matching between the concave wavy surfaces on the two sides of the first groove and the convex wavy surfaces on the two sides of the groove; the during operation, insert the adapter at the inlet tube in-process, during concave wave shape face on the inlet tube and the contact of the protruding wave shape face on the adapter and slide, can feel the vibrations of kaka on hand and feel, it is accurate to explain inlet tube and adapter butt joint position, and under the effect of the concave wave shape face on the inlet tube and the protruding wave shape face on the adapter, make the joint tighter between inlet tube and the adapter, it is more firm, use this kind of water pipe joint at home, can effectively reduce the problem that the inlet tube breaks away from the adapter, and reduce the problem of leaking.

Preferably, a fastening unit is arranged in the groove; the fastening unit comprises a rubber strip, an elastic plate and a supporting plate; the section of the rubber strip is D-shaped, and the rubber strip is arranged in the middle of the notch of the groove; the section of the elastic plate is U-shaped, the elastic plate is positioned at the inner ring of the rubber strip, and the elastic plate is tightly attached to the rubber strip; the cutting surface of the supporting plate is crescent, the supporting plate is positioned in the elastic plate, and two ends of the supporting plate are respectively propped against the elastic plate; the during operation, rivers enter into the adapter through the inlet tube in, rivers can be to producing a power between inlet tube and the adapter, this power makes the trend of inlet tube follow separation in the adapter, and simultaneously, the arch of inlet tube can extrude the rubber strip, the power of protruding extrusion on the rubber strip is indirect simultaneously to be used for in elastic plate and backup pad, the rubber strip, elastic plate and backup pad are pressed and are taken place deformation, when pressure is too big, the elastic plate plays certain cushioning effect, the both ends of rubber strip and elastic plate are close to each other separately, the backup pad is to the inboard bending of elastic plate.

Preferably, symmetrical clamping grooves are formed in two sides of the first groove; arc-shaped rods are symmetrically arranged in the grooves; the arc-shaped rod is arranged in the groove through a support frame with an H-shaped section and can slide on the support, one end of the arc-shaped rod penetrates through the rubber strip and the elastic plate to be fixedly connected to the supporting plate, and the other end of the arc-shaped rod is flush with the notch of the groove; the during operation, water pressure is applyed on the inlet tube, and the inlet tube wants to break away from the adapter, and under protruding effect, protruding extrusion rubber strip, rubber strip warp the extrusion elastic plate, and the elastic plate warp the extrusion backup pad, the crooked jack-up arc pole of backup pad, the arc pole slides on the support and in the draw-in groove of inlet tube is stretched into to arc pole one end, and the inlet tube is fastened again in the adapter this moment, and the inlet tube is difficult to drop from in the adapter.

Preferably, an explosion unit is arranged in the arc-shaped rod; the explosion unit comprises a sliding groove, a puncture tip, a tip, an explosive package, a supporting plate and an air bag; the notch of the sliding groove is flush with the notch of the groove; the tip of the puncture tip is flush with the notch of the sliding groove, and the flat end of the puncture tip extends into the sliding groove and is fixedly connected to the tip; the tip of the tip points to the explosive package, and the tip can slide along the inner wall of the sliding groove; the explosive bag is a micro explosive bag, and a distance of 2CM is reserved between the explosive bag and the tip; the supporting plate is tightly attached to the explosive package, and the supporting plate can slide along the inner wall of the sliding groove in the sliding groove; the air bag is arranged at one end of the rubber strip close to the notch of the groove and is communicated with the bottom end of the sliding groove through a pipeline; the during operation, when the arc pole does not accurately insert in the draw-in groove, in order to fasten the inlet tube, protruding extrusion rubber strip, the gas of the gasbag of rubber strip is extruded to the sliding groove in through the pipeline, gaseous effect is on the layer board, make the layer board drag the explosive package and slide to top direction, when the explosive package contact is extruded top, the explosive package explosion, produce a large amount of high-pressure gas in the twinkling of an eye, high-pressure gas promotes the rigid coupling and slides to the inlet tube wall direction at top thorn point, then the thorn point is under high-pressure gas's effect, prick on the inlet tube wall, the inlet tube is fastened in the adapter once more at this moment, the inlet tube is difficult to drop from in the adapter, thereby reduced the inlet tube problem of droing.

Preferably, an alarm unit is arranged on the outer wall of the adapter, and the alarm unit comprises an end cover, a push rod and an alarm; the end cover is connected to the outer wall of the adapter through a bolt, and the center of the end cover is aligned with the center of the groove; the push rod is positioned in the center of the groove, one end of the push rod is close to the supporting plate, the other end of the push rod penetrates through the rubber strip, the elastic plate and the end cover, and the push rod is tightly attached to the alarm; the alarm is arranged in a groove fixedly connected to the end cover; the during operation, the adapter is used for a long time, the elastic plate warp can be too big, surpass the deformation under the normal condition, the elastic plate makes the backup pad warp also too big, the crooked position of backup pad will withstand the push rod, the push rod begins to slide, and push rod extrusion alarm, the alarm pipes, the theory of operation of alarm is the same with little yellow duck theory of operation of rubber, the user hears the alarm and pipes this moment, it is too big to explain water pressure, or the elastic plate in the adapter has damaged, but the adapter can also work, it has the time of changing or mediating water pressure to let the user, and disassemble the convenience, easily change new parts, convenience of customers's use.

The invention has the following beneficial effects:

1. according to the water pipe joint, the water inlet pipe is firmly clamped in the adapter through the matching of the protrusions in the water inlet pipe and the grooves in the adapter, the tight fit of the wave-shaped surface and the action of the tip, so that the problem that the water inlet pipe is separated from the adapter is effectively solved.

2. According to the water pipe joint, a user can conveniently clamp the water inlet pipe in the adapter without using other tools, the operation is simple, the user is facilitated, and when the water pipe joint has a problem, an alarm can be given to inform the user of replacing the adapter with a new adapter in time.

Drawings

The invention is further described with reference to the following figures and embodiments.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the connection of the water inlet tube and adapter of the present invention;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is an enlarged view at C in FIG. 2;

in the figure: the water inlet pipe comprises a water inlet pipe 1, an adapter 2, a first groove 3, a spring 31, a protrusion 32, a concave wavy surface 33, a clamping groove 34, a convex wavy surface 41, a rubber strip 51, an elastic plate 52, a supporting plate 53, an arc-shaped rod 6, a sliding groove 611, a puncturing tip 612, a tip 613, an explosive charge 614, a supporting plate 615, an end cover 71, a push rod 72 and an alarm 73.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1 to 4, the water pipe joint of the present invention includes a water inlet pipe 1 and an adapter 2; a first groove 3 is formed in the outer ring of the water inlet pipe 1; a spring 31 and a protrusion 32 are arranged in the first groove 3; the stiffness coefficient of the spring 31 is 50N/M, one end of the spring 31 is fixedly connected in the first groove 3, and the other end of the spring 31 is fixedly connected with the protrusion 32; an internal thread is arranged at one end in the adapter 2, a groove is formed in the inner wall of the other end of the adapter 2, one end, with the internal thread, of the adapter 2 is connected with the water faucet, and the end, with the groove, of the adapter 2 is connected with the water inlet pipe 1; the water inlet pipe 1 is clamped in the adapter 2 through the matching among the groove, the spring 31 and the bulge 32; the during operation, insert adapter 2 when beginning at inlet tube 1, arch 32 has certain slope, 2 inner walls of adapter extrude the protruding 32 slope, apply the power on arch 32 and make spring 31 compressed, arch 32 is retrieved a groove 3 in, inlet tube 1 continues to stretch into in adapter 2, when protruding 32 card is in the rubber strip 51 upper and lower both sides in the recess, inlet tube 1 has just been blocked in adapter 2, installation inlet tube 1 and adapter 2 whole process easy operation, and need not borrow other any instrument during the installation, be fit for domestic.

As a specific embodiment of the present invention, concave wavy surfaces 33 are provided on both sides of the first groove 3; convex wavy surfaces 41 are arranged on two sides of the groove of the adapter; the concave wavy surface 33 on the two sides of the first groove 3 is matched with the convex wavy surface 41 on the two sides of the groove, so that the water inlet pipe 1 is difficult to be separated from the adapter 2; the during operation, insert the adapter 2 in-process at inlet tube 1, concave wave shape face 33 on the inlet tube 1 and the contact of convex wave shape face 41 on the adapter 2 are and slide, can feel the vibrations of clattering on hand, it is accurate to explain inlet tube 1 and adapter 2 butt joint position, and under concave wave shape face 33 and the effect of convex wave shape face 41, make the joint tighter between inlet tube 1 and the adapter 2, it is more firm, use this kind of water pipe joint at home, can effectively reduce the problem that inlet tube 1 breaks away from adapter 2, and reduce the problem of leaking.

As a specific embodiment of the present invention, a fastening unit is provided in the groove; the fastening unit includes a rubber strip 51, an elastic plate 52, and a support plate 53; the section of the rubber strip 51 is D-shaped, and the rubber strip 51 is arranged in the middle of the notch of the groove; the section of the elastic plate 52 is U-shaped, the elastic plate 52 has toughness, the elastic plate 52 is positioned at the inner ring of the rubber strip 51, and the elastic plate 52 is tightly attached to the rubber strip 51; the section of the support plate 53 is crescent, the support plate 53 is positioned in the elastic plate 52, and two ends of the support plate 53 are respectively propped against the elastic plate 52; the during operation, rivers enter into adapter 2 through inlet tube 1 in, rivers can be to producing a power between inlet tube 1 and the adapter, this power makes inlet tube 1 follow the trend of adapter 2 interior separation, and simultaneously, inlet tube 1's arch 32 can extrude rubber strip 51, protruding 32 extrusion is indirect the effect on elastic plate 52 and backup pad 53 simultaneously in the power on rubber strip 51, elastic plate 52 and backup pad 53 are pressed and are taken place deformation, when pressure is too big, elastic plate 52 plays certain cushioning effect, rubber strip 51 and elastic plate 52 both ends are close to each other separately, backup pad 53 is to the inboard bending of elastic plate 52.

As a specific embodiment of the present invention, two sides of the first groove 3 are provided with a clamping groove 34; arc-shaped rods 6 are symmetrically arranged in the grooves; the arc-shaped rod 6 is arranged in the groove through a support frame with an H-shaped section, the arc-shaped rod 6 can slide on the support frame, one end of the arc-shaped rod 6 penetrates through the rubber strip 51 and the elastic plate 52 to be fixedly connected onto the supporting plate 53, and the other end of the arc-shaped rod 6 is flush with the notch of the groove; the during operation, water pressure is applyed on inlet tube 1, inlet tube 1 wants to break away from adapter 2, under the effect of arch 32, arch 32 extrusion rubber strip 51, rubber strip 51 warp extrusion elastic plate 52, elastic plate 52 warp extrusion backup pad 53, backup pad 53 crooked jack-up arc pole 6, arc pole 6 slides on the support and in 6 one end of arc pole stretch into inlet tube 1's draw-in groove 34, inlet tube 1 is fastened again in adapter 2 this moment, inlet tube 1 is difficult to follow and drops in adapter 2.

As a specific embodiment of the present invention, an explosion unit is provided in the arc rod 6; the explosive unit comprises a sliding groove 611, a puncture tip 612, a tip 613, an explosive package 614, a supporting plate 615 and an air bag; the notch of the sliding groove 611 is flush with the notch of the groove; the tip of the puncture tip 612 is flush with the notch of the sliding groove 611, and the flat end of the puncture tip 612 extends into the sliding groove 611 and is fixedly connected to the tip 613; the tip 613 points to the explosive charge 614, and the tip 613 can slide along the inner wall of the sliding groove 611; the explosive 614 is a micro-explosive 614, and a distance of 2CM is reserved between the explosive 614 and the tip 613; the supporting plate 615 is tightly attached to the explosive charges 614, and the supporting plate 615 can slide in the sliding groove 611 along the inner wall of the sliding groove 611; the air bag is arranged at one end of the rubber strip 51 close to the notch of the groove and is communicated with the bottom end of the sliding groove 611 through a pipeline; in operation, when the arc-shaped rod 6 is not accurately inserted into the clamping groove 34, the protrusion 32 presses the rubber strip 51, gas in an air bag of the rubber strip 51 is pressed into the sliding groove 611 through the pipeline, the gas acts on the supporting plate 615, so that the supporting plate 615 drags the explosive charge 614 to slide towards the tip 613, when the explosive charge 614 contacts the pressed tip 613, the explosive charge 614 explodes, a large amount of high-pressure gas is generated instantly, the high-pressure gas pushes the puncture tip 612 fixedly connected to the tip 613 to slide towards the wall of the water inlet pipe 1, then the puncture tip 612 punctures on the wall of the water inlet pipe 1 under the action of the high-pressure gas, at the moment, the water inlet pipe 1 is fastened in the adapter 2 again, the water inlet pipe 1 is difficult to fall from the adapter 2, and the problem of falling of the.

As a specific embodiment of the present invention, an alarm unit is disposed on an outer wall of the adapter 2, and the alarm unit includes an end cover 71, a push rod 72, and an alarm 73; the end cover 71 is connected to the outer wall of the adapter 2 through a bolt, and the center of the end cover 71 is aligned with the center of the groove; the push rod 72 is positioned in the center of the groove, one end of the push rod 72 is close to the support plate 53, the other end of the push rod 72 penetrates through the rubber strip 51, the elastic plate 52 and the end cover 71, and the push rod 72 is tightly attached to the alarm 73; the alarm 73 is seated in a groove fixedly attached to the end cap 71; during operation, adapter 2 is used for a long time, or water pressure is too big, protruding 32 extrusion elastic plate 52 warp can be too big, exceed the deformation under the normal condition, elastic plate 52 makes backup pad 53 warp also too big, backup pad 53 bending part will withstand push rod 72, push rod 72 begins to slide, and push rod 72 extrudes siren 73, siren 73 rings, siren 73's theory of operation is the same with little yellow duck theory of operation of rubber, the user hears the siren and rings at this moment, it is too big to explain water pressure, or elastic plate 52 in adapter 2 has damaged, but adapter 2 can also work, can let the user have the time of changing or mediating water pressure, and it is convenient to disassemble, easily change new part, convenience of customers's use.

When the water inlet pipe 1 is used, when the water inlet pipe 1 is inserted into the adapter 2, the bulge 32 has a certain slope, the slope of the bulge 32 is extruded by the inner wall of the adapter 2, the force exerted on the bulge 32 enables the spring 31 to be compressed, the bulge 32 is retracted into the first groove 3, the water inlet pipe 1 continues to extend into the adapter 2, when the bulge 32 is clamped on the upper side and the lower side of the rubber strip 51 in the groove, the water inlet pipe 1 is clamped in the adapter 2, the whole process of installing the water inlet pipe 1 and the adapter 2 is simple in operation, and in addition, other tools are not needed to be borrowed during installation, and the water inlet pipe 1; in the process that the water inlet pipe 1 is inserted into the adapter 2, the concave wave-shaped surface 33 on the water inlet pipe 1 and the convex wave-shaped surface 41 on the adapter 2 are contacted and slide, so that a clicking vibration feeling can be felt by hands, the butt joint position of the water inlet pipe 1 and the adapter 2 is accurate, and under the action of the wave-shaped surface, the joint between the water inlet pipe 1 and the adapter 2 is tighter and firmer, and the problem that the water inlet pipe 1 is separated from the adapter 2 and the water leakage problem can be effectively reduced by using the water pipe joint at home; the water flow enters the adapter 2 through the water inlet pipe 1, the water flow can generate a force between the water inlet pipe 1 and the adapter, the force enables the water inlet pipe 1 to tend to separate from the adapter 2, meanwhile, the bulge 32 of the water inlet pipe 1 can extrude the rubber strip 51, the force of the bulge 32 extruding on the rubber strip 51 indirectly acts on the elastic plate 52 and the supporting plate 53 at the same time, the rubber strip 51, the elastic plate 52 and the supporting plate 53 are pressed to deform, when the pressure is overlarge, the elastic plate 52 plays a certain buffering role, the two ends of the rubber strip 51 and the two ends of the elastic plate 52 are close to each other, and the supporting plate 53 bends towards the inner side of the elastic plate 52; water pressure is exerted on the water inlet pipe 1, the water inlet pipe 1 is required to be separated from the adapter 2, the bulge 32 extrudes the rubber strip 51 under the action of the bulge 32, the rubber strip 51 deforms and extrudes the elastic plate 52, the elastic plate 52 deforms and extrudes the supporting plate 53, the supporting plate 53 bends and jacks up the arc-shaped rod 6, the arc-shaped rod 6 slides on the support, one end of the arc-shaped rod 6 extends into the clamping groove 34 of the water inlet pipe 1, at the moment, the water inlet pipe 1 is fastened in the adapter 2 again, and the water inlet pipe 1 is difficult to fall off from; if the arc-shaped rod 6 is not accurately inserted into the clamping groove 34, when the protrusion 32 presses the rubber strip 51, the gas of the air bag of the rubber strip 51 is pressed into the sliding groove 611 through the pipeline, the gas acts on the supporting plate 615, so that the supporting plate 615 drags the explosive charge 614 to slide towards the tip 613, when the explosive charge 614 contacts the pressed tip 613, the explosive charge 614 explodes, a large amount of high-pressure gas is generated instantly, the high-pressure gas pushes the puncture tip 612 fixedly connected to the tip 613 to slide towards the wall of the water inlet pipe 1, then the puncture tip 612 punctures on the wall of the water inlet pipe 1 under the action of the high-pressure gas, at the moment, the water inlet pipe 1 is fastened in the adapter 2 again, the water inlet pipe 1 is difficult to fall from the adapter 2, and the problem that the water inlet; adapter 2 is used for a long time, or water pressure is too big, protruding 32 extrusion elastic plate 52 warp can be too big, or water pressure is too big to exceed the deformation under the normal condition, elastic plate 52 makes backup pad 53 warp also too big, backup pad 53 bending part will withstand push rod 72, push rod 72 begins to slide, and push rod 72 extrudes the alarm, the alarm rings, the theory of operation of alarm is the same with little yellow duck theory of operation of rubber, the user hears the alarm and rings this moment, it is too big to explain water pressure, or elastic plate 52 in adapter 2 has damaged, but adapter 2 can also work, can let the user have the time of changing or mediating water pressure, and disassemble the convenience, easily change new part, convenience of customers's use.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A water pipe connector, characterized in that: comprises a water inlet pipe (1) and an adapter (2); a first groove (3) is formed in the outer ring of the water inlet pipe (1); a spring (31) and a protrusion (32) are arranged in the first groove (3); the stiffness coefficient of the spring (31) is 50N/M, one end of the spring (31) is fixedly connected in the first groove (3), and the other end of the spring (31) is fixedly connected with the protrusion (32); an internal thread is arranged at one end in the adapter (2), a groove is formed in the inner wall of the other end of the adapter (2), one end, provided with the internal thread, of the adapter (2) is connected with a water faucet, and one end, provided with the groove, of the adapter (2) is connected with the water inlet pipe (1); the water inlet pipe (1) is clamped in the adapter (2) through the matching among the groove, the spring (31) and the protrusion (32); concave wavy surfaces (33) are arranged on two sides of the first groove (3); convex wavy surfaces (41) are arranged on two sides of the groove of the adapter (2); the water inlet pipe (1) is difficult to be separated from the adapter (2) through the matching between the concave wave-shaped surface (33) on the two sides of the first groove (3) and the convex wave-shaped surface (41) on the two sides of the groove; a fastening unit is arranged in the groove; the fastening unit comprises a rubber strip (51), an elastic plate (52) and a supporting plate (53); the section of the rubber strip (51) is D-shaped, and the rubber strip (51) is arranged in the middle of the notch of the groove; the section of the elastic plate (52) is U-shaped, the elastic plate (52) is positioned at the inner ring of the rubber strip (51), and the elastic plate (52) is fixedly connected to the surface of the rubber strip (51); the section of the supporting plate (53) is crescent, the supporting plate (53) is positioned in the elastic plate (52), and two ends of the supporting plate (53) are respectively propped against the elastic plate (52); clamping grooves (34) are formed in the two sides of the first groove (3); arc-shaped rods (6) are symmetrically arranged in the grooves; arc pole (6) are in the recess through the support frame that the section is H shape, and arc pole (6) can slide on the support, and rubber strip (51) and elastic plate (52) rigid coupling are passed to arc pole (6) one end on backup pad (53), and the other end and the recess notch parallel and level of arc pole (6) are equipped with the explosion unit in arc pole (6).

2. A water pipe fitting according to claim 1, wherein: the explosive unit comprises a sliding groove (611), a puncture tip (612), a tip (613), an explosive package (614), a supporting plate (615) and an air bag; the notch of the sliding groove (611) is flush with the notch of the groove; the tip of the puncture tip (612) is flush with the notch of the sliding groove (611), and the flat end of the puncture tip (612) extends into the sliding groove (611) and is fixedly connected to the tip (613); the tip (613) points to the explosive package (614), and the tip (613) can slide along the inner wall of the sliding groove (611); the explosive package (614) is a micro-explosive package (614), and the distance between the explosive package (614) and the tip (613) is 2 CM; the supporting plate (615) is tightly attached to the explosive bag (614), and the supporting plate (615) can slide in the sliding groove (611) along the inner wall of the sliding groove (611); the air bag is arranged at one end, close to the notch of the groove, of the rubber strip (51) and is communicated with the bottom end of the sliding groove (611) through a pipeline.

3. A water pipe fitting according to claim 2, wherein: an alarm unit is arranged on the outer wall of the adapter (2), and comprises an end cover (71), a push rod (72) and an alarm (73); the end cover (71) is connected to the outer wall of the adapter (2) through a bolt, and the center of the end cover (71) is aligned with the center of the groove; the push rod (72) is positioned in the center of the groove, one end of the push rod (72) is close to the support plate (53), the other end of the push rod (72) penetrates through the rubber strip (51), the elastic plate (52) and the end cover (71), and the push rod (72) is tightly attached to the alarm (73); the alarm (73) is seated in a groove affixed to the end cap (71).