WO2010088852A1

WO2010088852A1 - Temperature indicating tube joint

Info

Publication number: WO2010088852A1
Application number: PCT/CN2010/070472
Authority: WO
Inventors: 邓浩; 吴刚强
Original assignee: 厦门松霖科技有限公司
Priority date: 2009-02-03
Filing date: 2010-02-02
Publication date: 2010-08-12
Also published as: CN201348089Y

Abstract

A temperature indicating tube joint includes a housing, a heat transfer element, a mandrel and a surface cover. A water passage is provided in the housing. One end of the heat transfer element lies in the water passage, the other end is connected with a spiral bimetallic strip. The central end of the spiral bimetallic strip is connected with the heat transfer element, the other end is provided with a pointer. Adjusting the water flow rate is achieved by rotation of the surface cover. Comparing with the prior digital displaying thermometer, tactile temperature distortion of a bimetallic strip is used for indicating temperature, thus, the tube joint has relatively low cost and simplified structure.

Description

Temperature connector

Technical field

The present invention relates to sanitary appliances, and more particularly to a pipe joint that can indicate temperature.

Background technique

Whether it is a family or a public place such as a hotel or a hotel, hot water is generally supplied to the water supply pipe, and the water temperature can be adjusted. During the use, people usually adjust the water temperature while directly using the hand to sense whether the water temperature is suitable for their needs until the water temperature is suitable. This method has the following disadvantages: First, before adjusting the water temperature, whether the water temperature is too cold or too hot will bring people discomfort; Second, the process of adjusting the sensing water temperature produces waste of water; Third, the water temperature cannot be accurately controlled, Ensure that the water temperature is the same when used twice.

The Chinese patent No. 200520072341.6 discloses a "temperature digital display faucet", which mainly senses the water temperature through a temperature sensor probe, and then displays the water temperature through a digital display thermometer. The Chinese patent "water temperature display faucet" with the patent number 200720108996.3 also adopts a similar structure. The temperature sensing device is designed at the water outlet end, and the water temperature can be accurately measured only when the faucet has a large amount of water, and the use effect is poor.

Summary of the invention

The present invention provides a pipe joint that can indicate temperature, the main purpose of which is to achieve the function of indicating the water temperature in the water pipe with a simpler structure and lower cost.

The invention adopts the following technical solution: a pipe joint capable of indicating temperature, comprising a casing, wherein the casing is provided with a water flow passage, and further comprises a heat transfer member, one end of the heat transfer member is located in the water flow passage, and the other end is connected with a screw a linear bimetal having a central end connected to the heat transfer member and a pointer at the other end; a mandrel is disposed in the casing, the mandrel being a cylinder closed at one end and closed at one end Forming, the open end forms a water inlet of the water flow channel, the side wall of the mandrel is provided with a water outlet of the water flow channel, and the closed end of the mandrel is provided with a cover, and the cover is centrally embedded with an insert. The inner end of the insert is screwed with a screw, the head of the screw being located in the water flow passage, the screw and the insert forming the heat transfer member, and the outer end of the insert is connected to the bimetal.

The mandrel is provided with a rotatable cylindrical surface water blocking piece, and the water blocking piece is provided with a notch corresponding to the water outlet, and the water blocking piece is fixedly connected to the insert by the screw The closed end of the mandrel is interposed between the water stop sheet and the face cover.

A friction ring is disposed between the outer periphery of the cover and the casing.

A transparent cover covering the bimetal and the pointer is disposed outside the cover.

It can be seen from the above description of the structure of the present invention that the present invention has the following advantages compared with the prior art: First, the present invention adopts the function of temperature deformation of the bimetal to realize the function of indicating temperature, and the cost thereof is compared with the conventional display thermometer. The utility model has the advantages of relatively low structure and relatively simple structure. Secondly, the rotation of the cover of the invention can realize the water volume adjustment function.

DRAWINGS

Figure 1 is a cross-sectional view of the present invention;

2 is a schematic perspective view of the present invention;

3 is a schematic perspective view of a bimetal of the present invention.

detailed description

Specific embodiments of the present invention will be described below with reference to the drawings.

The pipe joint indicating the temperature, as shown in Fig. 1, includes a casing 1 in which a mandrel 2 is provided. The mandrel 2 has a cylindrical shape with an open upper end and a closed lower end, and a water flow is formed inside the mandrel 2. a channel 20, the upper open end forming a water inlet port 21 of the water flow channel 20, the water inlet port 21 is provided with a spherical joint head 9, and a water outlet 22 of the water flow channel 20 is disposed at a middle portion of the side wall of the mandrel 2, the mandrel 2 The water outlet 22 to the lower closed end 24 of the middle portion form a water storage zone 25.

The cover 3 has a stepped hole 31 in the center thereof, and an inner cylinder 32 is extended, and an outer cylinder 33 extends from the outer edge; the insert 4 is made of a copper material with good thermal conductivity, and the insert 4 is a cylinder with a front end. It is a small cylinder 41, and the rear end is a large cylinder 42. The center of the large cylinder 42 is provided with an inner screw hole 43. The insert 4 is embedded in the inner cylinder 32 of the face cover 3, and the front end small cylinder 41 is stepped by the stepped hole 31 of the cover. Extending; the outer cylinder 33 of the cover 3 is connected to the housing 1, and the inner cylinder 32 of the cover 3 is sealingly connected to the outer side of the lower closed end 24 of the mandrel 2; the inner end of the insert 4 is screwed with a screw 5 The head of the screw 5 is located in the water storage zone 25 in the water flow passage 20, and the screw 5 and the insert 4 constitute a heat transfer member. Referring also to Figure 2, The outer end of the insert 4 is connected with a double metal piece 7, which is spiral, having a central end connected to the outer end of the insert 4 and a pointer 71 at the other end. When water flows in the water flow passage 20, the screw 5 is heated, and the heat energy is transmitted to the bimetal 7 through the insert 4. The metal expansion coefficient of the inner and outer layers of the bimetal 7 is different, so that the deformation causes the pointer 71 to rotate, thereby realizing the function of indicating the temperature. .

The bottom end of the water flow passage 20 of the mandrel 2 is provided with a rotatable cylindrical surface retaining piece 6 , and the water retaining piece 6 has a cylindrical structure, and the one side wall is provided with the said a corresponding notch 60 of the water outlet 22, the lower end of the water stop 6 is fixedly connected to the insert 4 through the closed end 24 of the mandrel 2, and the bottom end of the mandrel 2 is sandwiched between Between the water stop sheet 6 and the face cover 3. Rotating the cover 3 can drive the water stop 6 to rotate together. A friction ring 31 is disposed between the outer periphery of the face cover 3 and the casing 1. A transparent cover 8 covering the bimetal 7 and the pointer 71 is disposed outside the cover 3 . The cover 3 is rotated to drive the water stop 6 to rotate, and the degree of overlap between the notch 60 and the water outlet 22 on the water stop 6 is adjusted, so that the amount of water can be adjusted.

Since the screw 5 used for temperature sensing of the present invention is not directly installed in the water discharge area, the water temperature can be detected without requiring a large amount of water from the water outlet 22, and the water amount can be adjusted by the water retaining piece 6, waiting for the temperature indicated by the temperature indicating pointer 71. When the required temperature is reached and the water stop 6 is opened, water can be saved.

The above is only the specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by this concept should be an infringement of the scope of protection of the present invention.

Industrial applicability

The invention can indicate the temperature of the pipe joint, the temperature sensing device is reasonable in design, and the water volume adjusting function can be realized by the rotation of the surface cover, and has good industrial applicability.

Claims

a temperature-adjustable pipe joint, comprising a casing, wherein the casing is provided with a water flow passage, characterized in that: further comprising a heat transfer member, one end of the heat transfer member is located in the water flow passage, and the other end is connected with a spiral double a metal piece, the center end of the spiral bimetal is connected to the heat transfer member, and the other end is provided with a pointer; the housing is provided with a mandrel having a cylindrical shape with one end open and one end closed. The open end forms a water inlet of the water flow passage, the side wall of the core shaft is provided with a water outlet of the water flow passage, and the closed end of the core shaft is provided with a cover, and the cover is centrally provided with an insert, the setting The inner end of the piece is screwed with a screw, the head of which is located in the water flow passage, the screw and the insert constitute the heat transfer member, and the outer end of the insert is connected to the bimetal.
The temperature-inducing pipe joint according to claim 1, wherein the mandrel is provided with a rotatable cylindrical surface water blocking piece, and the water blocking piece is provided corresponding to the water outlet. The notch is fixedly connected to the insert by the screw, and the closed end of the mandrel is sandwiched between the water blocking piece and the cover.
The temperature-indicating pipe joint according to claim 2, wherein a friction ring is disposed between the outer periphery of the cover and the casing.
The temperature-inducing pipe joint according to claim 2, wherein the outer side of the face cover is provided with a transparent cover covering the bimetal and the pointer.
The temperature-inducing pipe joint according to claim 2, wherein the mandrel has a cylindrical shape with an upper end opening and a lower end closed, and a water flow passage is formed inside the mandrel, and the upper open end forms the water flow passage. The water inlet is provided with a spherical joint, the middle of the side wall of the mandrel is provided with the water outlet of the water flow passage, and the water outlet to the lower closed end of the middle of the mandrel forms a water storage area.
The temperature-inducing pipe joint according to claim 5, wherein the face cover has a stepped hole in the center thereof, and an inner cylinder is extended, and an outer cylinder extends from the outer edge; the insert is selected to be thermally conductive. Made of good copper material, the insert is a cylinder with a small cylinder at the front end and a large cylinder at the back. The center of the large cylinder has an internal screw hole. The insert is embedded in the inner cylinder of the cover, and the small cylinder at the front end is made of The stepped hole of the cover protrudes; the outer cylinder of the cover is connected to the housing, and the inner cylinder of the cover is sealingly connected to the outer side of the closed end of the mandrel; the inner end of the insert is screwed with a screw, the screw The head is located in a water storage zone in the water flow passage, and the screw and the insert constitute a heat transfer member.
The temperature-inducing pipe joint according to claim 5, wherein the water-blocking piece has a cylindrical structure, and a side wall of the tube is provided with a notch corresponding to the water outlet, and the water-blocking piece The lower end of the mandrel is fixedly connected to the insert by the screw, and the bottom end of the mandrel is sandwiched between the water blocking piece and the cover.