CN220727495U

CN220727495U - Elbow pipe fitting

Info

Publication number: CN220727495U
Application number: CN202322510858.XU
Authority: CN
Inventors: 张敏
Original assignee: Weihai Shengtong Building Materials Co ltd
Current assignee: Weihai Shengtong Building Materials Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-05
Anticipated expiration: 2033-09-15

Abstract

The utility model provides an elbow pipe fitting which comprises a water inlet end, a water outlet end, an outer arc bottom and an inner arc bottom; the water inlet end and the water outlet end are straight pipe sections, and the included angle between the water inlet end and the water outlet end is 90 degrees; the outer arc bottom and the inner arc bottom form a bent pipe section of the elbow pipe fitting; at least one guide plate is attached to the inner wall of the elbow pipe fitting; the guide plate starts from the water inlet end and extends to the water outlet end; the guide plate extends spirally along the inner wall of the elbow pipe fitting, and the number of spiral turns is less than or equal to 1; comprises an absolute deflector which extends from the side surface to the inner arc bottom after passing through the outer arc bottom. According to the utility model, the guide plates are arranged in the elbow pipe fitting, and at least one guide plate extends upwards from the side surface to pass through the outer arc bottom and then pass through the inner arc bottom, so that water flow with larger kinetic energy falling vertically can pass through the spiral guide plates to form a flow passage conforming to centrifugal force, and the impact of the water flow on the elbow pipe wall is avoided, so that vibration and noise are reduced.

Description

Elbow pipe fitting

Technical Field

The utility model relates to the field of water supply and drainage, in particular to an elbow pipe fitting.

Background

Elbow pipe fittings are commonly used in water supply and drainage piping systems to connect two straight pipes. In the application process of the elbow, especially a 90-degree elbow pipe fitting, vibration and noise are often formed on the elbow pipe fitting and a downstream pipe fitting due to direct impact of inlet water flow on the inner wall of a corner, so that daily life of people and tightness of the joint of the elbow pipe fitting are affected. The elbow commonly used at present is generally hollow tubular, has smooth inner wall, and has no effect in the aspects of reducing vibration and noise.

Disclosure of Invention

An object of the present application is to provide an elbow fitting, which aims to solve the problems in the prior art.

The embodiment of the application provides an elbow pipe fitting, which comprises a water inlet end, a water outlet end, an outer arc bottom and an inner arc bottom; the water inlet end and the water outlet end are straight pipe sections, and the included angle between the water inlet end and the water outlet end is 90 degrees; the outer arc bottom and the inner arc bottom form a bent pipe section of the elbow pipe fitting; at least one guide plate is attached to the inner wall of the elbow pipe fitting;

the guide plate starts from the water inlet end and extends to the water outlet end; the guide plate extends spirally along the inner wall of the elbow pipe fitting, and the number of spiral turns is less than or equal to 1;

comprises an absolute deflector which extends from the side surface to the inner arc bottom after passing through the outer arc bottom.

Further, the water inlet end and the water outlet end are fixedly connected with screw sections.

Further, the number of the guide plates is one, two, three or four; the plurality of guide plates are uniformly distributed in the same section.

Further, the guide plate is provided with inclined planes at the water inlet end and the water outlet end, and the inner wall of the elbow pipe fitting is connected with the guide plate through the inclined planes.

Further, the inner diameters of the ports of the water inlet end and the water outlet end are the same or different.

Further, the height of the guide plate is 1/16-1/6 of the inner diameter of the port at the water inlet end or the water outlet end.

The beneficial effects of the utility model are as follows: according to the utility model, the guide plates are arranged in the elbow pipe fitting, and at least one guide plate extends upwards from the side surface to pass through the outer arc bottom and then pass through the inner arc bottom, so that water flow with larger kinetic energy falling vertically can pass through the spiral guide plates to form a flow passage conforming to centrifugal force, and the impact of the water flow on the elbow pipe wall is avoided, so that vibration and noise are reduced.

Drawings

Fig. 1 is a schematic side view of the present utility model.

Fig. 2 is a schematic diagram of the front structure of the present utility model.

Fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2.

Fig. 4 is a structural view of an absolute baffle.

Fig. 5 is a structural view of four baffles.

In the figure:

1. a water inlet end; 2. a water outlet end; 3. an outer arc bottom; 4. an inner arc bottom; 5. a screw section; 6. a deflector; 61. an absolute deflector; 62. and an auxiliary deflector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

An elbow pipe fitting as shown in fig. 1-3 comprises a water inlet end 1, a water outlet end 2, an outer arc bottom 3 and an inner arc bottom 4. The water inlet end 1 and the water outlet end 2 are straight pipe sections, the water inlet end 1 and the water outlet end 2 are fixedly connected with screw sections 5, threads are arranged on the periphery of the screw sections 5, and elbow pipe fittings are connected in a water pipe line through the screw sections 5. The included angle between the water inlet end 1 and the water outlet end 2 is 90 degrees, and the outer arc bottom 3 and the inner arc bottom 4 form a bent pipe section of the elbow pipe fitting. The inner wall laminating of elbow pipe fitting is provided with at least one guide plate 6.

Each deflector 6 starts from the water inlet end 1 and extends towards the water outlet end 2; the guide plate 6 extends spirally along the inner wall of the elbow pipe fitting, and the number of spiral turns is less than or equal to 1. In this embodiment, a technical solution with a number of turns equal to 1 is adopted, and in other embodiments, the number of turns is greater than 0 and less than 1, preferably 0.6.

The number of the baffle plates 6 is one, two, three or four, and in this embodiment, the number of the baffle plates 6 is four, as shown in fig. 3 and 5. The plurality of baffles 6 are uniformly distributed in the same cross section as shown in fig. 2.

In order to ensure the flow guiding effect of the flow guiding plates, an absolute flow guiding plate 61 is determined in the flow guiding plates, the absolute flow guiding plate 61 needs to pass through the outer arc bottom 3 from the side surface and then extend through the inner arc bottom 4, so as to play a role in absolute flow guiding, the rest flow guiding plates are auxiliary flow guiding plates 62, and the shape of the absolute flow guiding plate 61 in the elbow pipe fitting in fig. 1 is shown as a figure 4. When the water inlet end 1 is connected with a water pipe in the vertical direction, such a guide plate can guide the water flow falling vertically from the outer arc bottom 3 to the inner arc bottom 4 to form a spiral flow channel conforming to the centrifugal force, so that the impact of the water flow on the outer arc bottom 3 is reduced, and vibration and noise are reduced.

The guide plate 6 is provided with inclined planes at the water inlet end 1 and the water outlet end 2, and the inner wall of the elbow pipe fitting is connected with the guide plate through the inclined planes. This prevents the deflector 6 from blocking the water flow and thus generating additional noise.

The inner diameters of the ports of the water inlet end 1 and the water outlet end 2 are the same or different. In this embodiment, the inner diameters of the ports of the water inlet end 1 and the water outlet end 2 are the same. In other embodiments, the inner diameters of the ports of the water inlet end 1 and the water outlet end 2 are different, and further, the inner diameter of the port of the water outlet end 2 is larger than the inner diameter of the port of the water inlet end 1, so that the elbow pipe body changes the resonance frequency to avoid resonance, and noise is reduced.

The height of the guide plate is 1/16-1/6 of the inner diameter of the port of the water inlet end 1 or the water outlet end 2. In order to show the structure of the deflector clearly in the drawings of the specification, the specification of the drawing is larger, and the specification of the drawing is different from the specification of an actual product, and the specification of the actual product is obviously smaller than the specification shown in the drawing. The guide plate in actual specification not only has the effect of guiding water flow and reducing noise, but also can not obviously reduce the inner diameter of the elbow pipe body, thereby avoiding the problems of slow water flow, easy blockage and the like caused by the built-in guide plate.

In the actual production process, the elbow pipe body is manufactured into two half pipe bodies according to a design drawing as shown in fig. 3, the flow guide plates which are equally divided into two halves are installed in the two half pipe bodies according to the drawing requirement, the half flow guide plates are installed in the half pipe bodies in a welding mode, and finally the two half pipe bodies with the flow guide plates are spliced together and welded and fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The elbow pipe fitting is characterized by comprising a water inlet end, a water outlet end, an outer arc bottom and an inner arc bottom; the water inlet end and the water outlet end are straight pipe sections, and the included angle between the water inlet end and the water outlet end is 90 degrees; the outer arc bottom and the inner arc bottom form a bent pipe section of the elbow pipe fitting; at least one guide plate is attached to the inner wall of the elbow pipe fitting;

2. An elbow fitting according to claim 1, wherein the water inlet end and the water outlet end are fixedly connected with screw segments.

3. An elbow fitting according to claim 2, wherein the number of baffles is one, two, three or four; the plurality of guide plates are uniformly distributed in the same section.

4. A fitting according to claim 3, wherein the baffle is provided with inclined surfaces at both the water inlet and outlet ends, whereby the inner wall of the fitting is connected to the baffle.

5. An elbow fitting according to claim 4, wherein the inlet end and outlet end have the same or different inside diameters.

6. An elbow fitting according to claim 5, wherein the height of the baffle is 1/16-1/6 of the inside diameter of the inlet or outlet end port.