CN219673438U

CN219673438U - Lead-free tap

Info

Publication number: CN219673438U
Application number: CN202321367447.3U
Authority: CN
Inventors: 吴伟奋; 陈辉灿
Original assignee: Fujian Hengtong Sanitary Ware Co ltd
Current assignee: Fujian Hengtong Sanitary Ware Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-12
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a lead-free tap, which comprises a main shell and a valve core, wherein the main shell is provided with a vertical part and a transverse straight part, the valve core is arranged in the vertical part and is provided with a water inlet and a water outlet, and a water outlet pipe is arranged in the transverse straight part and is communicated with the water outlet; the water outlet pipe is provided with a connecting pipe and a rotating pipe, the transverse straight part is provided with a fixing part and a rotating part, the connecting pipe is positioned in the fixing part, the end part of the first end of the connecting pipe stretches into the water outlet of the valve core to be in sealing fit with the valve core, the first end of the rotating pipe stretches into the fixing part and is in sealing fit connection with the fixing part, the fixing part and the rotating pipe are provided with translation limiting structures, the second end of the connecting pipe stretches into the first end of the rotating pipe and is in sealing fit with the rotating pipe and communicated with the rotating pipe, the rotating part is sleeved outside the second end of the rotating pipe and is in sealing fit with the rotating pipe, and the rotating part and the rotating pipe are provided with fixing structures for fixing the rotating pipe in the rotating part; compared with the prior art, the water outlet angle can be flexibly applied according to the needs, and the water outlet effect is enriched.

Description

Lead-free tap

Technical Field

The utility model relates to the field of taps, in particular to a lead-free tap.

Background

The existing faucet mainly comprises a main shell, a valve core and a water outlet pipe, wherein the main shell is provided with a base for fixing the valve core, a water inlet channel and a water outlet channel are arranged in the base, the conduction condition among the channels is controlled through the valve core, and the main shell is generally made of stainless steel, copper alloy and the like; when the water-saving type stainless steel tap water washing machine is used, tap water needs to pass through the inside of the main shell, the main shell of copper alloy or stainless steel usually contains a certain amount of lead, and under the flushing of water, the lead on the surface of the main shell is continuously separated out into the water, so that the lead content in the water is increased, secondary pollution is caused to the tap water, and the water is harmful to human health after long-term use.

The application number is 2015137038. X, an environment-friendly healthy faucet without lead pollution is improved, the environment-friendly healthy faucet comprises a main shell, a valve core, a copper gland and a control handle, wherein the main shell is provided with a valve core cavity, a cold and hot water inlet pipe cavity and a water outlet tap part, the valve core is arranged in the valve core cavity and locked through the copper gland, and the upper end of the valve core is connected with the control handle; the bottom of the valve core is provided with a cold and hot water inlet pipe connecting port and is connected with the cold and hot water inlet pipe, one side of the valve core is provided with a water outlet pipe connecting port and is connected with a water outlet pipe, the water outlet pipe penetrates through a water outlet tap part on the main shell and is connected with a bubbler fixed on the water outlet tap part, and a sealing gasket is arranged between the bubbler and the water outlet pipe; when the water flow is applied, water flows into the valve core through the cold and hot water inlet pipe, flows into the water inlet pipe and the water outlet pipe through the valve core, finally reaches the bubbler, realizes water outlet, and has no contact with the metal shell in the whole process, thereby avoiding the corrosion of the water on the metal material and the pollution of the metal material; however, the water outlet direction of the main casing with the structure is limited to one condition, and the main casing is required to be externally connected with a rotary joint for realizing water outlet in multiple directions, and the axis degree of the externally connected rotary joint is not necessarily matched with that of the water outlet pipe, so that the externally connected rotary joint is easy to leak water.

In view of the above, the present inventors have conducted intensive studies on the above problems, and have produced the present utility model.

Disclosure of Invention

The utility model aims to provide a lead-free tap, which solves the problems that the existing lead-free tap can realize multi-angle water outlet only by externally connecting a rotary joint on a main shell, and the external rotary joint is not necessarily matched with the axis of a water outlet pipe, so that water leakage is easy to occur.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the lead-free tap comprises a main shell and a valve core, wherein the main shell is provided with a vertical part and a transverse straight part, the valve core is arranged in the vertical part and is provided with a water inlet and a water outlet, a water outlet pipe is arranged in the transverse straight part and is communicated with the water outlet, and the valve core and the water outlet pipe are non-metal parts; the method is characterized in that: the water outlet pipe is provided with a connecting pipe and a rotating pipe, the transverse straight part is provided with a fixing part and a rotating part, the fixing part is connected with the vertical part in an integrated manner, the connecting pipe is positioned in the fixing part, the end part of the first end of the connecting pipe stretches into the water outlet of the valve core to be in sealing fit with the valve core, the first end of the rotating pipe stretches into the fixing part and is in sealing fit connection with the fixing part, the fixing part and the rotating pipe are provided with a translation limiting structure for limiting the transverse translation of the rotating pipe, the second end of the connecting pipe stretches into the first end of the rotating pipe and is in sealing fit and communication with the rotating pipe, the rotating part is sleeved outside the second end of the rotating pipe and is in sealing fit with the rotating pipe, and the rotating part and the rotating pipe are provided with fixing structures for fixing the rotating pipe in the rotating part.

The rotating pipe is provided with an expanding part, a reducing part and a limiting part between the expanding part and the reducing part, wherein the expanding part is tightly embedded in the fixing part and is in sealing fit with the fixing part, the limiting part is tightly attached to the end face of the fixing part, which is opposite to the end face of the vertical part, the rotating part is positioned outside the reducing part, the translation limiting structure is arranged on the expanding part and the fixing part, and the fixing structure is arranged on the reducing part and the rotating part.

The rotary pipe is internally provided with a first chamber and a second chamber which are transversely arranged along the axial direction of the rotary pipe, the first chamber is positioned in the expanding part, the inner diameter of the first chamber is larger than that of the second chamber, and the second end of the connecting pipe stretches into the first chamber and is in sealing fit through a sealing ring.

An inner threaded hole communicated with the fixed part is formed in the bottom surface of the fixed part, a closed-loop groove is formed in the outer side wall of the diameter-expanding part in a concave mode, a locking screw is screwed in the inner threaded hole, the end portion of the first end of the locking screw stretches into the closed-loop groove, a blind hole is formed in the end face of the second end of the locking screw in a concave mode, and the inner threaded hole, the locking screw and the closed-loop groove form the translation limiting structure.

The first end face of the rotating part is concavely provided with a notch groove communicated with the rotating part, the limiting part is tightly embedded in the notch groove, the diameter reducing part is positioned in the rotating part, the outer side wall of the diameter reducing part is convexly provided with an embedded ring matched with the inner side wall of the rotating part, the second end part of the rotating part is downwards bent, and the bent part is internally provided with a bubbler in a threaded manner.

The outer side wall of the diameter reduction part is concavely provided with a positioning groove, the groove bottom of the positioning groove is an inclined surface which is inclined downwards from the limiting part to the direction of the diameter reduction part, the outer side wall of the rotating part is provided with an internal threaded hole which is opposite to the positioning groove, the internal threaded hole is internally threaded with a tightening screw, the first end part of the tightening screw stretches into the positioning groove to be in tightening fit with the inclined surface, and the end face of the second end of the tightening screw is concavely provided with a blind hole.

When the novel lead-free faucet is applied, the rotating part is rotated, the rotating pipe is fixedly arranged in the rotating part under the action of the fixing structure, so that the rotating pipe in the rotating part can be driven to rotate, the rotating pipe rotates in the fixing part, at the moment, the rotating pipe cannot be separated from the fixing part under the limiting action of the translation limiting structure, when water is discharged, water flows sequentially through the connecting pipe and the rotating pipe, the valve core, the connecting pipe and the rotating pipe are all nonmetallic parts, and when water flows out from the water outlet pipe, water pollution caused by the fact that the water flows dissolve lead in the main shell is avoided; compared with the prior art, the water outlet angle can be flexibly applied according to the needs, the water outlet effect is enriched, and the structure is simple and the installation is convenient; in addition, the connecting pipe and the rotating pipe are respectively processed, so that water can not leak when the coaxiality of the connecting pipe and the rotating pipe is poor when the rotating pipe rotates, the requirement on coaxiality is low, and the applicability is strong.

Drawings

Fig. 1 is a schematic diagram of an assembly structure of the present utility model.

Fig. 2 is a schematic structural view of the present utility model.

FIG. 3 is a schematic view of the present utility model in use.

Detailed Description

For further explanation of the technical scheme of the present utility model, the following is described in detail with reference to the accompanying drawings.

The utility model relates to a lead-free tap, as shown in figures 1-3, which comprises a main shell and a valve core 1, wherein the main shell is provided with a vertical part 2 and a horizontal part, the valve core 1 is arranged in the vertical part 2, the valve core 1 is provided with a water inlet and a water outlet, a water outlet pipe is arranged in the horizontal part, the water outlet pipe is communicated with the water outlet, the installation and matching mode of the valve core 1 and the main shell is a well-known technology in the art, and the valve core 1 and the water outlet pipe are non-metal parts; when the water flow is applied, water flows out of the water outlet pipe directly, and the valve core 1 and the water outlet pipe are non-metal parts, so that water pollution caused by water flow dissolving lead in the main shell is avoided when the water flows out of the water outlet pipe.

The innovation of the novel device is that: the water outlet pipe is provided with a connecting pipe 3 and a rotating pipe 4, the transverse straight part is provided with a fixing part 5 and a rotating part 6, the fixing part 5 is integrally connected with the vertical part 2, the connecting pipe 3 is positioned in the fixing part 5, the first end part of the connecting pipe 3 stretches into the water outlet of the valve core 1 to be in sealing fit with the valve core 1, the second end of the connecting pipe 3 stretches into the first end of the rotating pipe 4 to be in sealing fit with the rotating pipe 4 and be communicated with the rotating pipe 4, the first end of the rotating pipe 4 stretches into the fixing part 5 to be in sealing fit with the fixing part 5, specifically, the axial direction of the transverse straight part is taken as the left and right direction, the water outlet direction of the water outlet pipe is taken as the right direction, the valve core 1 is vertically arranged, the valve rod of the valve core 1 stretches out of the vertical part upwards, the right side outer side wall of the valve core 1 is provided with a threaded mounting hole communicated with the water outlet in the valve core 1, the left end of the connecting pipe 3 is screwed together through the threaded mounting hole, the rotary tube 4 comprises an expanded diameter part 41, a reduced diameter part 42 and a limiting part 43 between the expanded diameter part 41 and the reduced diameter part 42, the limiting part 43 is tightly attached to the end face of the fixed part 5, which is opposite to the end face of the vertical part 2, the rotary part 6 is positioned outside the reduced diameter part 42, the expanded diameter part 41 is tightly embedded in the fixed part 5 and is in sealing fit with the fixed part 5, namely, the outer diameter of the expanded diameter part 41 is matched with the inner diameter of the fixed part 5, a first sealing groove is concavely arranged on the outer side wall of the expanded diameter part 41, a first sealing ring 411 is arranged in the first sealing groove, the first sealing ring part protrudes outside the first sealing groove, a plurality of first sealing grooves and a plurality of first sealing rings can be correspondingly arranged, a first chamber 100 and a second chamber 200 which are transversely arranged along the left-right direction of the rotary tube 4 are arranged in the expanded diameter part 41, the inner diameter of the first chamber 100 is larger than the inner diameter of the second chamber 200, the right end of the connecting pipe 3 stretches into the first chamber 100 and is matched with the first chamber in a sealing way through a sealing ring, namely, a second sealing groove is concavely formed in the outer side wall of the connecting pipe 3, a second sealing ring 31 is arranged in the second sealing groove, and a part of the second sealing ring protrudes out of the second sealing groove; after the structure is utilized, when the diameter-expanding part 41 is completely extended into the fixed part 5 during assembly, the limiting part 43 is matched with the right end surface of the fixed part 5 in a fitting way, so that the connecting pipe 4 is convenient to install; because the sealing fit of the diameter-expanding portion 4 and the fixed portion 5 is realized under the sealing fit of the first sealing groove and the first sealing ring 411, the sealing fit of the connecting pipe 3 and the diameter-expanding portion 41 is realized under the sealing fit of the second sealing groove and the second sealing ring 31, water flow is prevented from flowing out from the connecting position of the connecting pipe 3 and the diameter-expanding portion 41 when flowing out from the connecting pipe 3, and in addition, the rotating pipe 4 is not in locking connection with the fixed portion 5, so that the rotating pipe 4 can rotate around the fixed portion 5 circumferentially to control the water outlet direction of the water outlet pipe.

The fixed part 5 and the rotating tube 4 are provided with a translation limiting structure 7 for limiting the transverse translation of the rotating tube 4; specifically, the above-mentioned translational limiting structure 7 is arranged on the expanding portion 41 and the fixing portion 5, the bottom surface of the fixing portion 5 is provided with an internal threaded hole 71 communicated with the fixing portion 5, the outer side wall of the bottom surface of the expanding portion 41 is concavely provided with a closed annular groove 73, a locking screw 72 is screwed in the internal threaded hole 71, the upper end of the locking screw 72 stretches into the closed annular groove 73, the lower end face of the locking screw 72 is concavely provided with a blind hole 300, and the internal threaded hole 71, the locking screw 72 and the closed annular groove 73 form the translational limiting structure 7; when the locking screw 72 is applied, the locking screw 72 sequentially passes through the internal threaded hole 71 and the closed-loop groove 73 from outside to inside and is locked with the fixing part 5 through the internal threaded hole 71, the upper end of the locking screw 72 is positioned in the range of the closed-loop groove 73, when the rotating tube 4 rotates circumferentially, the rotating tube 4 cannot move left and right under the limit of the locking screw 72, and the blind hole 300 is arranged so that the locking screw 72 cannot protrude out of the fixing part 5 and the operation is not influenced.

The rotating part 6 is sleeved outside the second end of the rotating pipe 4 and is in sealing fit with the rotating pipe 4, and a fixing structure 8 for fixing the rotating pipe 4 in the rotating part 6 is arranged on the rotating part 6 and the rotating pipe 4; specifically, the reducing part 42 is positioned in the rotating part 6, the fixing structure 8 is arranged on the reducing part 42 and the rotating part 6, a positioning groove 81 is concavely arranged on the outer side wall of the bottom surface of the reducing part 42, the groove bottom of the positioning groove 81 is an inclined surface inclined downwards from the limiting part 43 to the reducing part 42, namely, the inclined surface is inclined from top to bottom and from left to right, a second internal threaded hole 82 opposite to the positioning groove 81 is formed on the outer side wall of the bottom surface of the rotating part 6, a tightening screw 83 is screwed in the second internal threaded hole 82, the upper end part of the tightening screw 83 stretches into the positioning groove 81 to be in tight fit with the inclined surface, a blind hole 400 is concavely arranged on the lower end surface of the tightening screw 83, and the positioning groove 81, the second internal threaded hole 82 and the tightening screw 83 form the fixing structure 8; during application, the jacking screw 83 sequentially passes through the second internal threaded hole 82 and the positioning groove 81 from outside to inside, the jacking screw 83 is locked with the rotating part 6 through the second internal threaded hole 82, one end of the jacking screw 83 stretches into the positioning groove 81 and is jacked on the inclined plane, the jacking force of the jacking screw 83 is concentrated on the right end, in contact with the bottom of the positioning groove 81, of the jacking screw 83, when the jacking screw 83 is screwed upwards, the jacking force of the jacking screw 83 continuously jacks the inclined plane, and because the inclined plane is inclined downwards in the right direction, the jacking force of the jacking screw 83 enables the rotating pipe 4 to be jacked right and is jacked in the rotating part 6.

When the novel lead-free faucet is applied, the rotating part 6 is rotated, the rotating pipe 4 is fixedly arranged in the rotating part under the cooperation of the second internal threaded hole 82 and the tightening screw 83, and when the tightening screw 83 is tightened upwards and is inclined downwards, the rotating pipe 4 is tightened rightwards, the rotating pipe cannot be separated from the rotating part, the upper end of the locking screw 72 rotates in the closed-loop groove 73, the upper end of the locking screw 72 cannot be separated from the fixed part 5 under the limiting effect of the upper end of the locking screw 72, and water flows out from an opening of the rotating part 6 through the connecting pipe 3, the first chamber 100 and the second chamber 200 in sequence during water outflow; compared with the prior art, the water outlet angle can be flexibly applied as required, the water outlet effect is enriched, and the connecting pipe and the rotating pipe are respectively processed, so that water can not leak when the coaxiality of the connecting pipe and the rotating pipe is poor when the rotating pipe rotates, the requirement on coaxiality is low, and the applicability is strong.

In the present utility model, preferably, the right end surface of the rotating part 6 is concavely provided with a notch groove communicated with the rotating part 6, and the limiting part 43 is tightly embedded in the notch groove; in application, the cooperation of the notch and the limiting part 43 enables the rotating part 6 to rotate around the rotating tube 4 more accurately.

In the present utility model, preferably, the outer sidewall of the diameter-reducing portion 42 is convexly provided with a tightening ring 421 which is in close fit with the inner sidewall of the rotating portion 6, the second end of the rotating portion 6 is bent downward to form an elbow portion 61, and the elbow portion 61 is internally and spirally provided with the bubbler 9; in application, the diameter reducing part 42 and the rotating part 6 can be more closely matched due to the arrangement of the embedding ring 421, and the foamer 9 can prevent water flow from splashing.

The form of the present utility model is not limited to the illustrations and examples, and any person who performs a similar idea of the present utility model should be regarded as not departing from the scope of the patent of the utility model.

Claims

1. The lead-free tap comprises a main shell and a valve core, wherein the main shell is provided with a vertical part and a transverse straight part, the valve core is arranged in the vertical part and is provided with a water inlet and a water outlet, a water outlet pipe is arranged in the transverse straight part and is communicated with the water outlet, and the valve core and the water outlet pipe are non-metal parts; the method is characterized in that: the water outlet pipe is provided with a connecting pipe and a rotating pipe, the transverse straight part is provided with a fixing part and a rotating part, the fixing part is connected with the vertical part in an integrated manner, the connecting pipe is positioned in the fixing part, the end part of the first end of the connecting pipe stretches into the water outlet of the valve core to be in sealing fit with the valve core, the first end of the rotating pipe stretches into the fixing part and is in sealing fit connection with the fixing part, the fixing part and the rotating pipe are provided with a translation limiting structure for limiting the transverse translation of the rotating pipe, the second end of the connecting pipe stretches into the first end of the rotating pipe and is in sealing fit and communication with the rotating pipe, the rotating part is sleeved outside the second end of the rotating pipe and is in sealing fit with the rotating pipe, and the rotating part and the rotating pipe are provided with fixing structures for fixing the rotating pipe in the rotating part.

2. A lead-free faucet as defined in claim 1, wherein: the rotating pipe is provided with an expanding part, a reducing part and a limiting part between the expanding part and the reducing part, wherein the expanding part is tightly embedded in the fixing part and is in sealing fit with the fixing part, the limiting part is tightly attached to the end face of the fixing part, which is opposite to the end face of the vertical part, the rotating part is positioned outside the reducing part, the translation limiting structure is arranged on the expanding part and the fixing part, and the fixing structure is arranged on the reducing part and the rotating part.

3. A lead-free faucet as defined in claim 2, wherein: the rotary pipe is internally provided with a first chamber and a second chamber which are transversely arranged along the axial direction of the rotary pipe, the first chamber is positioned in the expanding part, the inner diameter of the first chamber is larger than that of the second chamber, and the second end of the connecting pipe stretches into the first chamber and is in sealing fit through a sealing ring.

4. A lead-free faucet as defined in claim 2, wherein: an inner threaded hole communicated with the fixed part is formed in the bottom surface of the fixed part, a closed-loop groove is formed in the outer side wall of the diameter-expanding part in a concave mode, a locking screw is screwed in the inner threaded hole, the end portion of the first end of the locking screw stretches into the closed-loop groove, a blind hole is formed in the end face of the second end of the locking screw in a concave mode, and the inner threaded hole, the locking screw and the closed-loop groove form the translation limiting structure.

5. A lead-free faucet as defined in claim 2, wherein: the first end face of the rotating part is concavely provided with a notch groove communicated with the rotating part, the limiting part is tightly embedded in the notch groove, the diameter reducing part is positioned in the rotating part, the outer side wall of the diameter reducing part is convexly provided with an embedded ring matched with the inner side wall of the rotating part, the second end part of the rotating part is downwards bent, and the bent part is internally provided with a bubbler in a threaded manner.

6. A lead-free faucet as defined in claim 5, wherein: the outer side wall of the diameter reduction part is concavely provided with a positioning groove, the groove bottom of the positioning groove is an inclined surface which is inclined downwards from the limiting part to the direction of the diameter reduction part, the outer side wall of the rotating part is provided with an internal threaded hole which is opposite to the positioning groove, the internal threaded hole is internally threaded with a tightening screw, the first end part of the tightening screw stretches into the positioning groove to be in tightening fit with the inclined surface, and the end face of the second end of the tightening screw is concavely provided with a blind hole.