CN211821231U

CN211821231U - Three-way joint of gas water heater

Info

Publication number: CN211821231U
Application number: CN202020045248.0U
Authority: CN
Inventors: 刘远庆; 刘韬
Original assignee: Hangzhou De&e Electrical Co ltd
Current assignee: Hangzhou De&e Electrical Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-30
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a gas heater's three way connection belongs to the water heater field. The existing three-way joint is used as a pipe joint at the place where various pipelines need to be switched, but the existing three-way joint is only used as a switching device, and the function of reducing pressure and mixing media cannot be realized. The utility model discloses a connect the main part and connect the branch road, connect the main part and connect the branch road and be connected, connect the main part and connect and be provided with main access and branch's access in the branch road respectively, main access and branch's access intercommunication, its structural feature lies in: the main passage comprises a reducing section, a mixing section and a diffusing section, the reducing section, the mixing section and the diffusing section are communicated in sequence, and the branch passage is communicated with the mixing section. The three-way joint of the gas water heater has simple integral structure and is easy to produce and process; the general G1/2 pipe thread mounting mode has compact structure, easy mounting and easy general use; the main channel adopts the Venturi tube principle to realize the reduction of the mixed pressure of branch channel media and is easier to mix with the main channel media.

Description

Three-way joint of gas water heater

Technical Field

The utility model relates to a gas heater's three way connection belongs to the water heater field.

Background

The tee is also called as a pipe tee or a tee pipe, a tee joint and the like. Mainly used for changing the direction of the fluid and is used at the position of a main pipeline and a branch pipeline. The existing three-way joint is used as a pipe joint at the place where various pipelines need to be switched, but the existing three-way joint is only used as a switching device, and the function of reducing pressure and mixing media cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, use venturi effect in this three way connection, this three way connection except that the switching pipeline effect, can also reach the gas heater's of the purpose that reduced pressure made the medium sneak into more easily three way connection.

The utility model provides a technical scheme that above-mentioned problem adopted is: this gas heater's three way connection, including connecting the main part and connecting the branch road, connect the main part and connect the branch road and be connected, connect the main part and connect and be provided with main way and branch's route in the branch road respectively, main way and branch's route intercommunication, its structural feature lies in: the main passage comprises a reducing section, a mixing section and a diffusing section, the reducing section, the mixing section and the diffusing section are communicated in sequence, and the branch passage is communicated with the mixing section.

Further, the aperture of one end of the tapered section is D1, the aperture of the other end of the tapered section is D2, and D1 > D2.

Furthermore, one end of the diffuser section is of an arc-shaped structure, and the other end of the diffuser section is of a cylindrical structure.

Further, the junction of the branch passage and the mixing section is a low-pressure area.

Further, the joint body is arranged perpendicular to the joint branch.

Further, the convergent section, the mixing section and the divergent section are in communication in sequence along the flow direction.

Further, the outer wall of the joint branch is provided with a clamping groove, and a clamping ring is installed in the clamping groove.

Furthermore, the joint branch is sleeved with a nut, and the clamping ring is in contact with the nut and used for limiting the movement of the nut so as to be connected with a pipeline.

Further, the outer wall of the joint main body is provided with external threads.

Further, the bore diameter of the tapered section decreases gradually along the flow direction.

Compared with the prior art, the utility model has the advantages of it is following: the three-way joint of the gas water heater has simple integral structure and is easy to produce and process; the general G1/2 pipe thread mounting mode has compact structure, easy mounting and easy general use; the main channel adopts the Venturi tube principle to realize the reduction of the mixed pressure of branch channel media and is easier to mix with the main channel media.

The three-way joint of the gas water heater consists of a joint main body, a joint branch, a clamping ring and a nut, and is simple in structure and easy to produce and process. The both ends of connecting the main part set up G1/2 external screw thread, connect the branch road to constitute by rand and nut, compact structure easily installs, easy general purpose. The main channel adopts the Venturi tube principle, so that the pressure required to be resisted when branch channel media are mixed is reduced, and the branch channel media are easier to mix with the main channel media.

Drawings

Fig. 1 is a schematic front view of a three-way joint according to an embodiment of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.

Fig. 3 is an exploded schematic view of a three-way joint according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a three-way joint according to an embodiment of the present invention.

In the figure: the connector comprises a connector main body 1, a connector branch 2, a clamping ring 3, a nut 4, a clamping groove 5, a main passage 6, a branch passage 7, a tapered section 8, a mixing section 9, a diffusion section 10 and a low-pressure area 11.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 4, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.

The three-way joint of the gas water heater in the embodiment comprises a joint main body 1 and a joint branch 2, wherein the joint main body 1 is connected with the joint branch 2, and the joint main body 1 and the joint branch 2 are vertically arranged; a main passage 6 and a branch passage 7 are respectively arranged in the joint main body 1 and the joint branch 2, and the main passage 6 is communicated with the branch passage 7; the bore diameter of the tapered section 8 decreases gradually along the flow direction.

The main passage 6 in this embodiment includes a tapered section 8, a mixing section 9, and a diffuser section 10, the tapered section 8, the mixing section 9, and the diffuser section 10 are sequentially communicated, and in general, the tapered section 8, the mixing section 9, and the diffuser section 10 are sequentially communicated along a flow direction, the branch passage 7 is communicated with the mixing section 9, and a low pressure region 11 is located at a boundary between the branch passage 7 and the mixing section 9.

The outer wall of the joint main body 1 in the embodiment is provided with an external thread; the aperture of one end of the tapered section 8 is D1, the aperture of the other end of the tapered section 8 is D2, and D1 is more than D2; one end of the diffuser section 10 is arranged in an arc-shaped structure, and the other end of the diffuser section 10 is arranged in a cylindrical structure.

The outer wall of the joint branch 2 in the embodiment is provided with a clamping groove 5, and a clamping ring 3 is arranged in the clamping groove 5; the joint branch 2 is sleeved with a nut 4, and the clamping ring 3 is in contact with the nut 4 and used for limiting the movement of the nut 4 so as to be connected with a pipeline.

Specifically, the method comprises the following steps: the aperture of the tapered section 8 is reduced from D1 to D2, the flow speed of the fluid is increased, the flow speed is maximum at the position of the minimum aperture, namely the other end of the tapered section 8, and the flow speed is increased when the limited flow passes through the reduced flow cross section according to the principle of Venturi effect, the flow speed of the fluid is in inverse proportion to the flow cross section, and the increase of the flow speed is accompanied with the decrease of the pressure of the fluid known by Bernoulli's law; at this time, a low pressure region 11 is formed at the boundary between the branch passage 7 and the mixing section 9, and an adsorption force is generated on the branch passage 7, so that the fluid of the branch passage 7 enters the diffuser section 10 together with the fluid of the main passage 6.

The aperture of the inlet end of the tapered section 8 is larger, the tapered section gradually reduces inwards along the flow direction, the tapered section enters the mixing section 9 and then enters the diffusion section 10, and the aperture of the outlet end of the diffusion section 10 is larger; the main passage 6 is communicated with the minimum hole diameter, namely the branch passage 7 is communicated with the mixing section 9, and a low-pressure area 11 is formed at the junction of the two; two ends of the joint main body 1 are G1/2 external threads, and a clamping groove 5 is arranged on the joint branch 2; the clamp ring 3 is arranged on the clamp groove 5 of the joint branch 2 and used for limiting the position movement of the nut 4 of G1/2 so as to be fixedly installed with other pipelines.

The three-way joint of the gas water heater is composed of a joint main body 1, a joint branch 2, a clamping ring 3 and a nut 4, and is simple in structure and easy to produce and process. The two ends of the joint main body 1 are provided with G1/2 external threads, and the joint branch 2 consists of a clamping ring 3 and a nut 4, so that the structure is compact, the installation is easy, and the universal use is easy. The main channel 6 adopts the Venturi tube principle to realize the reduction of the pressure required to be resisted when the branch channel 7 is mixed with the medium, and the medium is easier to mix with the main channel 6.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a gas heater's three way connection, is including connecting main part (1) and connecting branch road (2), connect main part (1) and connect branch road (2) to be connected, be provided with main way (6) and branch road (7) in connecting main part (1) and connecting branch road (2) respectively, main way (6) and branch road (7) intercommunication, its characterized in that: the main passage (6) comprises a reducing section (8), a mixing section (9) and a diffusing section (10), the reducing section (8), the mixing section (9) and the diffusing section (10) are communicated in sequence, and the branch passage (7) is communicated with the mixing section (9).

2. The three-way joint of a gas water heater according to claim 1, wherein: the aperture of one end of the tapered section (8) is D1, the aperture of the other end of the tapered section (8) is D2, and D1 > D2.

3. The three-way joint of a gas water heater according to claim 1, wherein: one end of the diffuser section (10) is of an arc-shaped structure, and the other end of the diffuser section (10) is of a cylindrical structure.

4. The three-way joint of a gas water heater according to claim 1, wherein: the junction of the branch passage (7) and the mixing section (9) is a low-pressure area (11).

5. The three-way joint of a gas water heater according to claim 1, wherein: the joint main body (1) and the joint branch (2) are vertically arranged.

6. The three-way joint of a gas water heater according to claim 1, wherein: the reducing section (8), the mixing section (9) and the diffusing section (10) are communicated in sequence along the flow direction.

7. The three-way joint of a gas water heater according to claim 1, wherein: the outer wall of the joint branch (2) is provided with a clamping groove (5), and a clamping ring (3) is installed in the clamping groove (5).

8. The three-way connection of a gas water heater according to claim 7, wherein: the joint branch (2) is sleeved with a nut (4), and the clamping ring (3) is in contact with the nut (4) and used for limiting the movement of the nut (4) so as to be connected with a pipeline conveniently.

9. The three-way joint of a gas water heater according to claim 1, wherein: the outer wall of the joint main body (1) is provided with external threads.

10. The three-way joint of a gas water heater according to claim 1, wherein: the bore diameter of the tapered section (8) decreases gradually along the flow direction.