CN219954629U - Water pipe with good leakage-proof performance - Google Patents

Abstract

The utility model discloses a water pipe with good leakage resistance, which comprises a pipe body and a connecting piece connected with a connector, wherein the pipe body comprises a front sealing ring arranged between the connecting piece and the connector, when the water pipe is connected with the connector, the connecting piece is connected with the connector and abuts against the front sealing ring towards the direction of the connector, so that the front sealing ring fully presses a sealing gasket in the connector, the sealing performance of the joint of the water pipe and the connector is improved, and the leakage of water flow from the joint of the water pipe and the connector is prevented.

Description

Water pipe with good leakage-proof performance

Technical Field

The utility model relates to the field of water purification, in particular to a water pipe with good leakage resistance.

Background

The waterway board of the general water purifier consists of a plurality of groups of water pipes, a connecting piece is arranged at the pipe orifice of each water pipe and is used for connecting a connector, and the connector is a connector for switching a water outlet pipe or a water inlet pipe. In order to maintain the tightness of the waterway plate of the water purifier when the waterway plate is connected with the water outlet pipe or the water inlet pipe, the inside of the connector is generally provided with a sealing gasket, and when the connecting piece is connected with the connector, the connecting piece directly abuts against the rubber gasket to form sealing.

However, after a general large-flux water purifier is used for a long time, under the action of high water pressure and high-flow water flow flushing, the connection parts between the water pipe and the connecting piece, between the connecting piece and the connecting head and the like are easy to age and loose, and tiny gaps are generated at the connection parts between the water pipe and other components, so that the water purifier leaks water.

Disclosure of Invention

In order to prevent the problems of water leakage, water seepage and the like of the water pipe after long-time use, the utility model provides the water pipe with good leakage resistance.

The water pipe with good leak-proof performance provided by the utility model adopts the following technical scheme:

a water pipe with good leakage resistance comprises a pipe body and a connecting piece arranged at one end of the pipe body and used for being connected with a connector; the pipe body comprises a pipe body, an inner pipe connected with one end of the pipe body and a front sealing ring arranged on the inner pipe and away from one end of the pipe body, wherein the connecting piece is coated on the outer periphery side of the inner pipe, one side of the connecting piece, which is away from the pipe body, is abutted to the front sealing ring, and the outer diameter of the front sealing ring is smaller than that of the connecting piece.

By adopting the technical scheme, the outer diameter of the front sealing ring is smaller than that of the connecting piece, and the front sealing ring does not influence the connection between the connecting piece and the connector. When the connecting piece is connected with the connector, because the front seal ring is positioned between the connecting piece and the sealing gasket, the front seal ring fully abuts against the sealing gasket in the connector, compared with the sealing gasket directly extruded by the connecting piece, the sealing gasket is further extruded by the front seal ring, so that the sealing performance of the joint of the water pipe and the connector is improved, and the leakage of water flow from the joint of the water pipe and the connector is prevented.

Optionally, the pipe body is integrally injection molded, and the connecting piece is connected with the pipe body in an insert injection molding mode.

Through adopting above-mentioned technical scheme, the integrative injection moulding of body makes body, inner tube and preceding seal ring zonulae occludens, has improved the wholeness of body, is favorable to preventing rivers from leaking from junction such as body and inner tube, inner tube and preceding seal ring, has further improved the leak protection performance of water pipe. The connecting piece and the pipe body are connected by insert injection molding, and the concrete mode is that the connecting piece is fixed at a proper position in an injection mold in advance, then pipe body sizing material is injected for molding, and after the mold is opened, the connecting piece is coated on the outer peripheral side of the inner pipe, so that the connection strength between the connecting piece and the pipe body is improved.

Optionally, the inner diameter of the end, close to the pipe body, of the connecting piece is larger than the inner diameter of the end, close to the front sealing ring, of the connecting piece, and a chute is arranged on the inner side of the connecting piece.

Through adopting above-mentioned technical scheme, because the connecting piece is through the outer periphery side of inner tube is established to the cover of inserts moulding plastics, during moulding plastics, the inner wall that forms the inner tube can flow along the connecting piece, and the chute is used for guiding the sizing material to flow along the direction of inner tube forward seal ring, makes inner tube and preceding seal ring can fully mould plastics to be favorable to improving the water pressure resistance of inner tube and preceding seal ring, prevent that inner tube or preceding seal ring from being destroyed by water pressure because of moulding plastics inadequately and causing the water leakage.

Optionally, the body still includes solid fixed ring, gu fixed ring cover locates the periphery side that the connecting piece is close to pipe shaft one end, gu fixed ring and pipe shaft integrative injection moulding, the connecting piece is located a plurality of draw-in groove has been seted up to the inboard one end of gu fixed ring.

By adopting the technical scheme, the connecting piece is connected with the pipe body by insert injection molding, and the fixing ring and the pipe body are integrally injection molded. During injection molding, the connecting piece is fixed in a proper position in the injection mold in advance, the sizing material forming the fixing ring flows along the outer wall of the connecting piece, and the sizing material flows into the clamping groove of the connecting piece and is solidified to form the clamping ring. After the die is opened, the fixing ring is coated on the outer peripheral side of the connecting piece, the clamping ring on the inner side of the fixing ring is clamped with the clamping groove formed in the connecting piece, the connecting piece is clamped between the fixing ring and the inner pipe, the connection strength between the pipe body and the connecting piece is further improved, and the connecting piece and the pipe body are prevented from being flushed away by large water pressure and water flow when the connecting piece is tightly connected with the connector, so that the water pipe is damaged and leaked.

Optionally, the one end that the connecting piece was kept away from to the pipe shaft is connected with back closing cap, back closing cap including locating the breakwater in the pipe shaft outside and with the plug of pipe body grafting, the external diameter of plug equals the internal diameter of pipe shaft.

Through adopting above-mentioned technical scheme, insert the plug in the pipe shaft, the one end that the connecting piece was kept away from to the pipe shaft is sealed to usable back closing cap, makes the pipe shaft form the single channel to can prevent rivers from the outflow that the one end was kept away from to the pipe shaft was connected. Because grafting between back shrouding and the pipe shaft belongs to detachable connection to can pull down the back shrouding, utilize instrument such as brush to wash the inner wall of pipe shaft, be favorable to preventing the inner wall of pipe shaft to produce the incrustation scale, thereby influence the life of pipe body.

Optionally, a plurality of grooves are formed in the peripheral side of the plug, a rubber gasket is sleeved on the grooves, and the outer diameter of the rubber gasket is larger than that of the plug.

Through adopting above-mentioned technical scheme, when the closing cap after installing, insert the body with the plug of back closing cap, a plurality of rubber packing ring receives the extrusion of plug and body inner wall and fully supports the inner wall of tight body, and the rubber packing ring is because receiving extrusion deformation, has filled the gap between plug and the body and blockked rivers, is favorable to preventing rivers from the junction seepage between back closing cap and the body, further improves the leakproofness and the leak protection of body.

Optionally, the pipe shaft is close to the periphery side of the one end of back closing cap evenly is provided with a plurality of fixed block, the fixed block orientation back closing cap's one side is seted up threaded hole, seted up on the breakwater with the counter bore that the screw hole position corresponds.

Through adopting above-mentioned technical scheme, utilize the screw to pass counter bore and screw thread fixed block threaded connection, make back closing cap and body zonulae occludens, improved the joint strength between back closing cap and the body, thereby be favorable to preventing to dashing back closing cap open because of the water pressure in the body is too big to cause leaking, further improved the leakproofness and the leak protection of water pipe.

Optionally, the periphery of the connecting piece near one end of the front sealing ring is provided with threads.

Through adopting above-mentioned technical scheme, water pipe accessible connecting piece is connected with the connector that has the screw thread, because be detachable between water pipe and the connector and be connected, is favorable to facilitating the use personnel to install the water pipe and connect or dismantle. And rotate the connector along the screw thread, enable the sealing washer in the connector to be supported tightly fully, be favorable to preventing rivers from leaking from the junction of water pipe and connector, improve the leakproofness and the leak protection of water pipe.

In summary, the embodiment of the utility model has at least any one of the following advantages:

1. through being provided with the front seal ring in the connecting piece side that is close to the inner tube mouth of pipe, the sealing washer of connector is further extruded to the front seal ring, is favorable to preventing rivers from leaking from the junction of water pipe and connector, improves the leakproofness and the leak protection of water pipe.

2. The water pipe adopts integrative injection moulding, makes the wholeness of water pipe better, is favorable to preventing the great rivers of flow from the junction seepage of each position of body, improves the leakproofness and the leak protection of water pipe.

3. The rubber gasket is extruded by the inner wall of the pipe body and the plug, fills up the gap between the plug and the inner wall of the pipe body and blocks water flow, thereby being beneficial to preventing water flow from leaking from the joint between the rear sealing cover and the pipe body.

4. The rear sealing cover is tightly connected with the pipe body by the bolts, so that the connection strength between the rear sealing cover and the pipe body is improved, the rear sealing cover is prevented from being flushed away due to overlarge water pressure in the pipe body, water leakage is caused, and the sealing performance and the leakage resistance of the water pipe are further improved.

Drawings

Fig. 1 is a right side view of a water pipe with good leakage preventing performance.

Fig. 2 is a cross-sectional view of A-A in fig. 1.

FIG. 3 is a schematic view of a water pipe with good leakage preventing performance.

Reference numerals illustrate:

1. a tube body; 11. a pipe body; 12. an inner tube; 13. a front seal ring; 14. a fixing ring; 141. a clasp; 15. a fixed block; 151. a threaded hole; 2. a connecting piece; 21. a chute; 22. a clamping groove; 3. a rear cover; 31. a water baffle; 311. countersink; 32. a plug; 321. a groove; 33. and a rubber gasket.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a water pipe with good leakage resistance. Referring to fig. 1 and 2, a water pipe having good leakage preventing performance includes a pipe body 1, a connector 2 for connecting with a connector and located at one end of the pipe body 1, and a rear cover 3 located at one end of the pipe body 1 remote from the connector 2.

Referring to fig. 2, the pipe body 1 includes a pipe body 11, an inner pipe 12 connected to one end of the pipe body 11, a front seal ring 13 connected to one end of the inner pipe 12 distant from the pipe body 11, and a fixing ring 14 connected to one end of the pipe body 11 close to the inner pipe 12. Wherein, connecting piece 2 cover is located the periphery side of inner tube 12, and the one end that inner tube 12 deviates from pipe shaft 11 runs through connecting piece 2 and keeps the same with connecting piece 2 one side that keeps away from pipe shaft 11, and solid fixed ring 14 cover is established at the periphery side of connecting piece 2 one end that is close to pipe shaft 11. Specifically, the pipe body 11, the inner pipe 12, the front seal ring 13, and the fixing ring 14 are integrally injection molded, and the connecting member 2 is inserted between the inner pipe 12 and the fixing ring 14 by insert injection molding at the time of integral injection molding of the pipe body 1.

Referring to fig. 2, the front sealing ring 13 is located at one end of the connecting piece 2 away from the pipe body 11 and abuts against the connecting piece 2, wherein the outer diameter of the front sealing ring 13 is larger than the inner diameter of the connecting piece 2, and the outer diameter of the front sealing ring 13 is smaller than the outer diameter of the connecting piece 2, and at this time, the connection between the connecting piece 2 and the connector is not affected by the front sealing ring 13. When the water pipe is connected with the connector, the front sealing ring 13 is positioned between the connecting piece 2 and the sealing gasket, and the connecting piece 2 abuts against the front sealing ring 13 towards the direction of the connector, so that the front sealing ring 13 further fully presses the sealing gasket in the connector. Compared with the direct tight sealing washer that supports of connecting piece 2, preceding sealing ring 13 can more fully extrude sealing washer and make sealing washer compression set, has further filled the gap between connecting piece 2 and the connector, and the leakproofness of the junction of water pipe and connector is better this moment, is favorable to preventing rivers from the junction seepage of water pipe and connector.

Referring to fig. 2, the inside diameter of the end of the connecting member 2 near the pipe body 11 is larger than the inside diameter of the end of the connecting member 2 far from the pipe body 11, and a chute 21 is formed in the inside wall of the connecting member 2. Because connecting piece 2 is through the outer periphery side of inner tube 12 of insert injection molding cover, during the injection molding, the sizing material that forms inner tube 12 can flow along connecting piece 2's inner wall, and chute 21 is used for guiding the sizing material to flow along the direction of inner tube 12 toward front seal ring 13, makes inner tube 12 and front seal ring 13 can fully mould plastics to be favorable to improving the hydraulic pressure ability of inner tube 12 and front seal ring 13, prevent inner tube 12 or front seal ring 13 because of moulding plastics insufficiently and by the water pressure destruction cause the water leakage.

Referring to fig. 2, a plurality of clamping grooves 22 are formed at one end of the connecting member 2 located inside the fixing ring 14, and since the connecting member 2 is injection-molded on the inner peripheral side of the fixing ring 14, during injection molding, the glue material forming the fixing ring 14 flows along the outer wall of the connecting member 2, flows into the clamping grooves 22 of the connecting member 2, and is solidified to form the clamping ring 141. After the injection molding is completed, the clamping ring 141 and the clamping groove 22 are clamped with each other, the connecting piece 2 is clamped between the fixed ring 14 and the inner pipe 12, the connection strength between the pipe body 1 and the connecting piece 2 is further improved, and when the connecting piece 2 is tightly connected with the connector, the connecting piece 2 and the pipe body 1 are prevented from being flushed away by large water pressure, so that the damage and water leakage of the water pipe are caused. In order to further improve the connection strength between the snap ring 141 and the clamping groove 22, in this embodiment, the vertical section of the clamping groove 22 is trapezoidal, and the width of the bottom of the clamping groove 22 is greater than the width of the notch of the clamping groove 22.

Referring to fig. 2, in order to facilitate connection or disconnection of the water pipe, the connection structure between the connection member 2 and the connector is a detachable connection structure, and in this embodiment, threaded connection is preferred between the connection member 2 and the connector. The outer peripheral side of the end of the connecting piece 2 near the front seal ring 13 is provided with threads for connection with a connector with threads. In order to improve the connection strength between the water pipe and the connector and prevent water leakage between the connector 2 and the connector caused by excessive water pressure, the connector 2 is made of a metal material which has certain rigidity and is not easy to rust, and in this embodiment, the material of the connector 2 is preferably 304 stainless steel. Because the connecting piece 2 adopts 304 stainless steel, the connecting strength of the connecting end of the pipe body 1 is improved, and the connecting piece 2 is not easy to rust, thereby being beneficial to long-time use of the water pipe.

Referring to fig. 2 and 3, the rear cover 3 includes a water baffle 31 disposed on the outer side of the pipe body 11 and a plug 32 inserted into the inner side of the pipe body 11, wherein the plug 32 has an outer diameter equal to an inner diameter of the pipe body 11. The edge of the end of the plug 32 away from the water baffle 31 is provided with a chamfer to facilitate the insertion of the plug 32 into the inside of the pipe body 11. A plurality of grooves 321 are formed in the periphery of the plug 32, the grooves 321 are sleeved with rubber washers 33, wherein the inner rings of the rubber washers 33 are attached to the grooves 321, the outer ring diameter of the rubber washers 33 is larger than the outer diameter of the plug 32, namely, the rubber washers 33 are sleeved on the periphery of the grooves 321 and are protruded on the periphery of the plug 32. When the rear sealing cover 3 is installed, the plug 32 of the rear sealing cover 3 is inserted into the pipe body 11, the plurality of rubber gaskets 33 are extruded by the plug 32 and the inner wall of the pipe body 11 and fully tightly support against the inner wall of the pipe body 11, so that leakage of water flow from the joint between the rear sealing cover 3 and the pipe body 11 is prevented, and the overall sealing performance and the leakage resistance of the pipe body 1 are improved.

Referring to fig. 3, a plurality of fixing blocks 15 are uniformly arranged on the outer peripheral side of the pipe body 11, which is close to the rear sealing cover 3, a threaded hole 151 is formed in one side, facing the rear sealing cover 3, of the fixing blocks 15, a counter bore 311 corresponding to the threaded fixing blocks 15 is formed in the water baffle 31 of the rear sealing cover 3, the rear sealing cover 3 is tightly connected with the pipe body 11 by penetrating through the counter bore 311 through threaded connection of the threaded fixing blocks 15 through bolts, the connection strength between the rear sealing cover 3 and the pipe body 11 is further improved, the overall tightness of the pipe body 1 is improved, and water leakage is prevented from being caused by the fact that the rear sealing cover 3 is flushed away due to overlarge water pressure in the pipe body 11.

The implementation principle of the water pipe with good leak-proof performance in the embodiment of the utility model is as follows:

when the water pipe is connected with the connector, the connecting piece 2 abuts against the front sealing ring 13 towards the direction of the connector, so that the front sealing ring 13 further fully extrudes the sealing gasket in the connector, the front sealing ring 13 can more fully extrude the sealing gasket and enable the sealing gasket to be compressed and deformed, gaps between the connecting piece 2 and the connector are further filled, sealing performance and leakage resistance between the water pipe and the connector are improved, and water leakage is prevented at the joint of the water pipe and the connector.

The clamping groove 22 is formed in the connecting piece 2, glue flows into the clamping groove 22 along the outer periphery side of the connecting piece 2 and is solidified to form the fixing ring 14 and the clamping ring 141 through an integral injection molding and insert injection molding process, and flows and is solidified to form the inner pipe 12 and the front sealing ring 13 along the inner periphery side of the connecting piece 2, so that the connecting piece 2 is clamped between the fixing and inner pipe 12, the connection strength between the pipe body 1 and the connecting piece 2 is improved, and the connecting piece 2 and the pipe body 1 are prevented from being flushed away by larger water pressure when the connecting piece 2 is tightly connected with the connector, so that the damage and water leakage of a water pipe are caused.

The plug 32 of the rear sealing cover 3 is inserted into the pipe body 11, and the plurality of rubber gaskets 33 sleeved on the outer periphery side of the plug 32 are extruded by the plug 32 and the inner wall of the pipe body 11 and fully tightly abut against the inner wall of the pipe body 11, so that water leakage from the joint between the rear sealing cover 3 and the pipe body 11 is prevented, and the overall sealing performance and the leakage resistance of the pipe body 1 are improved.

The present embodiment is merely illustrative of the present utility model and not limiting, and one skilled in the art, after having read the present specification, may make modifications to the embodiment without creative contribution as required, but is protected by patent law within the scope of the claims of the present utility model.

Claims (8)

1. A water pipe that leak protection performance is good, its characterized in that: comprises a pipe body (1) and a connecting piece (2) arranged at one end of the pipe body (1) and used for being connected with a connector;

the pipe body (1) comprises a pipe body (11), an inner pipe (12) connected with one end of the pipe body (11) and a front sealing ring (13) arranged on the inner pipe (12) and away from one end of the pipe body (11), the connecting piece (2) is coated on the outer periphery side of the inner pipe (12), one side, away from the pipe body (11), of the connecting piece (2) is abutted to the front sealing ring (13), and the outer diameter of the front sealing ring (13) is smaller than that of the connecting piece (2).

2. The water pipe with good leakage prevention performance according to claim 1, wherein: the pipe body (1) is integrally injection molded, and the connecting piece (2) is connected with the pipe body (1) in an insert injection molding mode.

3. The water pipe with good leakage prevention performance according to claim 2, wherein: the inner diameter of one end, close to the pipe body (11), of the connecting piece (2) is larger than the inner diameter of one end, close to the front sealing ring (13), and a chute (21) is arranged on the inner side of the connecting piece (2).

4. The water pipe with good leakage prevention performance according to claim 2, wherein: the pipe body (1) further comprises a fixing ring (14), the fixing ring (14) is sleeved on the outer peripheral side of one end, close to the pipe body (11), of the connecting piece (2), the fixing ring (14) and the pipe body (11) are integrally formed through injection molding, and a plurality of clamping grooves (22) are formed in one end, located on the inner side of the fixing ring (14), of the connecting piece (2).

5. The water pipe with good leakage prevention performance according to claim 1, wherein: one end of the pipe body (11) far away from the connecting piece (2) is connected with a rear sealing cover (3), the rear sealing cover (3) comprises a water baffle (31) arranged on the outer side of the pipe body (11) and a plug (32) spliced with the pipe body (11), and the outer diameter of the plug (32) is equal to the inner diameter of the pipe body (11).

6. The water pipe with good leakage prevention performance according to claim 5, wherein: a plurality of grooves (321) are formed in the peripheral side of the plug (32), rubber washers (33) are sleeved on the grooves (321), and the outer diameters of the rubber washers (33) are larger than the outer diameters of the plug (32).

7. The water pipe with good leakage preventing performance according to claim 6, wherein: the pipe body (11) is close to the periphery side of the one end of back closing cap (3) evenly is provided with a plurality of fixed block (15), screw hole (151) have been seted up to one side of fixed block (15) towards back closing cap (3), set up on breakwater (31) with counter bore (311) that screw hole (151) position corresponds.

8. The water pipe with good leakage prevention performance according to claim 1, wherein: the periphery of one end, close to the front sealing ring (13), of the connecting piece (2) is provided with threads.