CN218914128U - Three-way pipe - Google Patents

Abstract

The utility model discloses a three-way pipe, which comprises: a main pipe, a branch pipe and a temperature sensor; the branch pipes and the main pipe are integrally formed and isolated from each other through the connecting surface; the temperature sensor comprises an induction element, a fixing part and a connecting part; the branch pipe comprises a first channel and a second channel, and the second channel and the main pipe are respectively positioned at two ends of the first channel in the extending direction; the second channel is provided with a clamping part, the fixing part is provided with a boss, and the temperature sensor is clamped to the clamping part of the second channel through the boss of the fixing part to be fixedly arranged in the branch pipe. According to the utility model, the sensing element of the temperature sensor is arranged in the branch pipe, and the main pipe, the branch pipe and the temperature sensor are integrally assembled by mutually isolating the clamping connection of the temperature sensor and the branch pipe and the main pipe and the branch pipe, so that the internal parts are effectively reduced, the process flow is simplified, and the cost is reduced.

Description

Three-way pipe

Technical Field

The utility model relates to the technical field of temperature measurement, in particular to a three-way pipe.

Background

With the rapid development of economy, the demand of the automobile market is increasing, and the demand of a temperature control system of an automobile is high.

As shown in fig. 1, a temperature measuring device adopted by a temperature control system of a current automobile is formed by independently assembling a three-way pipe (comprising a main pipe 1 and a branch pipe 2), a temperature sensor 3 and a protective shell 12, wherein a scheme of arranging a sensing element 31 of the temperature sensor 3 in the protective shell 12 and contacting liquid in the main pipe 1 through the protective shell 12 to measure the temperature of the liquid in the main pipe 1 is adopted. And the temperature sensor 3 is fixed on the branch pipe 2 through the clamp spring 23, and an in-pipe sealing ring 7 is required to be arranged between the protective shell 12 and the branch pipe 2 to prevent liquid leakage. The internal parts are more, the process is complex and tedious, and the cost is higher.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a three-way pipe, a temperature sensor and a protective shell are required to be assembled independently, the process is complex and the cost is high. The utility model provides a three-way pipe, which can realize the integration of the three-way pipe and a temperature sensor, simplify the process flow and reduce the cost.

In order to solve the technical problems, an embodiment of the present utility model discloses a three-way pipe, including: a main pipe, a branch pipe and a temperature sensor;

the branch pipes and the main pipe are integrally formed and isolated from each other through the connecting surface;

the temperature sensor comprises an induction element, a fixing part and a connecting part;

the branch pipe comprises a first channel and a second channel, and the second channel and the main pipe are respectively positioned at two ends of the first channel in the extending direction;

the second channel is provided with a clamping part, the fixing part is provided with a boss, and the temperature sensor is clamped in the clamping part of the second channel through the boss so as to be fixedly arranged in the branch pipe.

By adopting the technical scheme, the sensing element of the temperature sensor is arranged in the branch pipe, and the main pipe and the branch pipe are mutually isolated through the clamping connection of the temperature sensor and the branch pipe, so that the integrated assembly of the main pipe, the branch pipe and the temperature sensor is realized, meanwhile, the internal parts are reduced, the process flow is simplified, and the cost is reduced.

According to another embodiment of the utility model, the second channel has an inner diameter that is larger than the inner diameter of the first channel and forms a transition surface between the first channel and the second channel.

According to another embodiment of the utility model, a sealing ring is arranged between the fixing part and the transition surface.

By adopting the technical scheme, the first channel is isolated from the second channel through the sealing ring, so that water vapor can be prevented from entering the first channel to influence the sensing element of the temperature sensor.

According to another embodiment of the utility model, the connection face is provided with a recess towards the axis of the main tube, the inductive element being located in the recess.

By adopting the technical scheme, the connecting surface is fully contacted with the liquid in the main pipe, so that the heat conduction efficiency between the liquid in the main pipe and the connecting surface is improved, and the detection precision of the sensing element of the temperature sensor in the groove is improved.

According to another embodiment of the utility model, heat conducting glue is injected into the groove, and the heat conducting glue coats the induction element.

By adopting the technical scheme, the heat-conducting glue is fully contacted with the inner wall of the groove, the temperature sensor is fully contacted with the heat-conducting glue, the heat conduction efficiency is improved, and the detection precision of the temperature sensor is improved.

According to another embodiment of the present utility model, the connection portion includes a terminal for connecting an external circuit.

Drawings

FIG. 1 shows a cross-sectional view of the prior art;

FIG. 2 shows an exploded view of a tee according to an embodiment of the present utility model;

FIG. 3 shows a cross-sectional view of a main pipe and a branch pipe in a tee according to an embodiment of the present utility model;

FIG. 4 shows a cross-sectional view of a tee according to an embodiment of the utility model;

fig. 5 shows a top view of a tee according to an embodiment of the utility model.

Reference numerals illustrate:

1. the main pipe, 11, the face, 12, the protective housing, 2, the branch pipe, 201, the first channel, 202, the second channel, 203, the groove, 204, the clamping space, 21, the clamping part, 22, the transitional face, 23, the clamp spring, 3, the temperature sensor, 31, the sensing element, 32, the fixing part, 321, the boss, 33, the connecting part, 34, the terminal, 5, the heat conducting glue, 6, the sealing ring and 7, the pipe inner sealing ring.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 shows an internal structure of a tee in one embodiment. Comprising a main pipe 1, a branch pipe 2 and a temperature sensor 3. The branch pipe 2 is connected with the main pipe 1 and is mutually communicated, the temperature sensor 3 is clamped to the branch pipe 2 through a clamp spring 23, and the bottom of the temperature sensor 3 is sleeved with the protective shell 12. The temperature sensor 3 comprises an induction element 31 and a connecting part 33, the induction element 31 of the temperature sensor 3 is arranged inside the protective shell 12, the connecting part 33 is used for being connected with an external circuit, the induction element 31 is fixed with the protective shell 12 through the heat-conducting glue 5, and a part of the protective shell 12, which is fixed with the induction element 31, extends into the main pipe 1 to measure the temperature of liquid inside the main pipe 1. An in-pipe sealing ring 7 is further arranged between the protective shell 12 and the branch pipe 2 and used for preventing liquid in the main pipe 1 from flowing into the branch pipe 2, and correspondingly, a sealing ring 6 is arranged between the temperature sensor 3 and the protective shell 12 and used for preventing water vapor from entering the protective shell 12 to damage the sensing element 31 of the temperature sensor 3. In this embodiment, each part is independent, and when assembling, the heat-conducting glue 5 is injected into the protective housing 12 first, then the sealing rings 6 are installed in sequence, the temperature sensor 3 is inserted, the protective housing 12 is pressed, the sealing rings 7 in the pipe are assembled, and finally the sealing rings are fixed through the clamp springs 23. The assembly is complex and the cost is high due to the more parts.

In one embodiment of the present application, referring to fig. 2, the present utility model provides a tee comprising: a main pipe 1, a branch pipe 2 and a temperature sensor 3. The specific connection mode is as follows: the branch pipe 2 and the main pipe 1 are integrally formed, and the branch pipe 2 and the main pipe 1 are isolated from each other, namely, the main pipe 1 and the branch pipe 2 are not communicated. Specifically, referring to fig. 3, the branch pipe 2 and the main pipe 1 are isolated from each other by a connection surface 11, and the connection surface 11 is integrally formed with the branch pipe 2 and the main pipe 1. Illustratively, the branch pipes 2 are arranged perpendicular to the main pipe 1.

Referring to fig. 2 in combination with fig. 4, the temperature sensor 3 includes a sensing element 31, a fixing portion 32, and a connecting portion 33. As shown in fig. 4, the branch pipe 2 includes a first passage 201 and a second passage 202, and the second passage 202 and the main pipe 1 are located at both ends of the extending direction B of the first passage 201, respectively. The second channel 202 is provided with a clamping portion 21, and the clamping portion 21 is used for clamping the temperature sensor 3. Accordingly, referring to fig. 3, the fixing portion 32 of the temperature sensor 3 is provided with a boss 321, and the temperature sensor 3 is clamped to the clamping portion 21 of the second channel 202 through the boss 321 of the fixing portion 32 to be fixedly disposed in the branch pipe 2.

Referring to fig. 1, compared with the prior art, the three-way pipe provided by the utility model removes the structures of the clamp spring 23 and the protective shell 12, replaces the clamp spring 23 with the clamping connection mode of the temperature sensor 3 and the branch pipe 2, and fixes the temperature sensor 3 and the branch pipe 2. The main pipe 1 and the branch pipe 2 are integrally formed through the connecting surface 11 to be isolated from each other to replace the protective shell 12, so that the protective shell 12 and the seal ring 7 in the pipe are removed, liquid is prevented from flowing into the branch pipe 2 from the main pipe 1, and the internal structure of the three-way pipe and the technological process during assembly are simplified.

Specifically, referring to fig. 4, the shape and the number of the engaging portions 21 are not particularly limited as long as the engaging portions 21 can fix the temperature sensor 3 to the end of the branch pipe 2 remote from the main pipe 1 by the fixing portion 32. For example, as shown in fig. 4, the engaging portion 21 is a projection projecting toward the inside of the branch pipe 2 in the radial direction D, and the thickness of the projection of the engaging portion 21 increases toward the main pipe 1 in the extending direction a of the branch pipe 2. For another example, as shown in fig. 5, the number of the engaging portions 21 may be four, and the four engaging portions 21 are arranged on the inner wall of the branch pipe 2 in a spaced-apart ring. Illustratively, the four clamping portions 21 are uniformly spaced. For another example, the engagement portion 21 may be an annular flange provided circumferentially along the inner wall of the branch pipe 2 and protruding in the radial direction D.

In some possible embodiments, referring to fig. 4, the inner diameter E of the second channel 202 is greater than the inner diameter F of the first channel 201, and the junction of the second channel 202 and the first channel 201 has a transition surface 22 (as shown in fig. 5) due to the inner diameter difference between the second channel 202 and the first channel 201. Referring to fig. 4, the clamping portion 21 and the transition surface 22 form a clamping space 204. Referring to fig. 4 in combination with fig. 3, when the temperature sensor 3 is clamped to the clamping portion 21 by the fixing portion 32, the boss 321 of the fixing portion 32 is located in the clamping space 204. In this embodiment, the transition surface 22 is disposed at an angle to the extending direction B of the first channel 201. Illustratively, the transition surface 22 is perpendicular to the direction of extension B of the first channel 201.

In some possible embodiments, referring to fig. 3, a sealing ring 6 is provided between the fixation portion 32 and the transition surface 22 between the first channel 201 and the second channel 202. The sealing ring 6 functions to prevent moisture from entering the first passage 201 from the outside of the branch pipe 2 through the second passage 202 to damage the sensing element 31 of the temperature sensor 3, and to extend the service life of the temperature sensor 3.

In some possible embodiments, referring to fig. 3 and 4, the connection surface 11 of the main pipe 1 and the branch pipe 2 is provided with a groove 203 toward the axis of the main pipe 1, the groove 203 is in communication with the branch pipe 2 and extends in a direction away from the second channel 202, and the sensing element 31 of the temperature sensor 3 is located in the groove 203 (as shown in fig. 3).

Illustratively, referring to fig. 3 in combination with fig. 4, the groove 203 is filled with a thermally conductive adhesive 5, and the thermally conductive adhesive 5 encapsulates the sensing element 31 of the temperature sensor 3. By injecting the heat-conducting glue 5 into the groove 203, the heat conduction efficiency between the sensing element 31 of the temperature sensor 3 and the liquid in the main pipe 1 can be improved, and the detection accuracy of the temperature sensor 3 can be improved.

Illustratively, referring to fig. 3, the connection 33 of the temperature sensor 3 includes a terminal 34, the terminal 34 functioning to connect to an external circuit.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims (6)

1. A tee, comprising: a main pipe, a branch pipe and a temperature sensor;

the branch pipes and the main pipe are integrally formed and isolated from each other through the connecting surface;

the temperature sensor comprises an induction element, a fixing part and a connecting part;

the branch pipe comprises a first channel and a second channel, and the second channel and the main pipe are respectively positioned at two ends of the first channel in the extending direction;

the second channel is provided with a clamping part, the fixing part is provided with a boss, and the temperature sensor is clamped in the clamping part of the second channel through the boss so as to be fixedly arranged in the branch pipe.

2. The tee of claim 1, wherein the second passageway has an inner diameter greater than an inner diameter of the first passageway and forms a transition surface between the first passageway and the second passageway.

3. The tee of claim 2, wherein a sealing ring is disposed between the anchor and the transition surface.

4. A tee as claimed in any one of claims 1 to 3 wherein the connection face is provided with a recess towards the centre of the main pipe, the sensing element being located within the recess.

5. The tee of claim 4, wherein the recess is filled with a thermally conductive adhesive, the thermally conductive adhesive encapsulating the sensing element.

6. The tee of claim 5, wherein the connection includes terminals for connection to an external circuit.

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