CN215173015U

CN215173015U - Combined copper alloy flange

Info

Publication number: CN215173015U
Application number: CN202120631923.2U
Authority: CN
Inventors: 施卫兵; 徐文娟; 李成俊
Original assignee: Jiangyin Youplas Flange Co ltd
Current assignee: Jiangyin Youplas Flange Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-14
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to a combined copper alloy flange, which comprises a flange body and a protective sleeve; the flange body comprises an upper flange, a gasket and a lower flange; the bottom of the upper flange is provided with an annular mounting part, and the annular mounting part is provided with a plurality of first connecting through holes in an annular array manner; a plurality of second connecting through holes are formed in the gasket; a plurality of third connecting through holes are formed in the lower flange; the gasket is arranged between the annular mounting part on the upper flange and the lower flange; one side of the lower flange, which is back to the gasket, is inwards sunken to form a mounting groove, and a filter screen is arranged on the mounting groove; the appearance of the protective sleeve is matched with the flange body, one end of the protective sleeve is provided with a fixing part, and the upper surface of the fixing part is provided with a plurality of fourth connecting through holes; the protective sleeve is sleeved on the flange body, and bolts are arranged on the fourth connecting through holes; and an elastic buffer layer is arranged on the inner wall of the protective sleeve. The utility model discloses a combination formula copper alloy flange through setting up the protective sheath, effectively protects the flange body, and sealing performance is good.

Description

Combined copper alloy flange

Technical Field

The utility model relates to a flange technical field, especially a modular copper alloy flange.

Background

The flange is also called flange plate or flange, the flange is a part for connecting the shaft and the shaft, is used for connecting pipe ends, is also used for connecting two devices at an inlet and an outlet of the device, such as a speed reducer flange, a flange connection or a flange joint, and means a detachable connection which is formed by connecting the flange, a gasket and a bolt as a group of combined sealing structures. The copper alloy flange is widely applied due to good corrosion resistance.

Chinese utility model patent with publication number CN211398142U discloses a combined copper alloy flange convenient for installation, which comprises a flange body and a bush, wherein the bush is arranged on the outer part of the flange body, so that the flange body is protected when in use without influencing the installation of the flange body, meanwhile, the outer wall of the flange body is provided with a clamping block which is connected with a clamping groove in the lantern ring in a clamping and embedding way, so that the bush is stably installed on the outer part of the flange body, the installation is convenient by arranging a mounting hole and a connecting rod, thereby ensuring the stability of the flange body, the gasket is arranged between the upper flange plate and the lower flange plate and adopts a magnet material, the upper flange plate and the lower flange plate can be firmly adsorbed on the upper surface and the lower surface of the gasket, the fixed installation time between the upper flange plate and the gasket as well as between the lower flange plate and the gasket is reduced, the working efficiency is improved, and a sealing gasket and a wear-resistant layer are arranged at the same time, the sealing performance of the flange body is good, abrasion between the flange body and an installed object can be reduced, and the service life of the flange body is prolonged. However, the fixture block on the flange body in the copper alloy flange is arranged on the outer wall of the flange body, the clamping groove is arranged in the sleeve ring, the flange body is difficult to be sleeved on the sleeve ring, the fixture block is clamped in the clamping groove, and the flange has no filtering function, so that the application range is relatively limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined copper alloy flange, which comprises a flange body and a protective sleeve;

the flange body comprises an upper flange, a gasket and a lower flange; the bottom of the upper flange is provided with an annular mounting part, and the annular mounting part is provided with a plurality of first connecting through holes in an annular array manner; a plurality of second connecting through holes are formed in the gasket and matched with the first connecting through holes; a plurality of third connecting through holes are formed in the lower flange and are also matched with the first connecting through holes; the gasket is arranged between the annular mounting part on the upper flange and the lower flange; one side of the lower flange, which is back to the gasket, is inwards sunken to form a mounting groove, and a filter screen is arranged on the mounting groove;

the appearance of the protective sleeve is matched with the flange body, one end of the protective sleeve is provided with a fixing part, the upper surface of the fixing part is provided with a plurality of fourth connecting through holes, and the fourth connecting through holes are matched with the first connecting through holes; the protective sleeve is sleeved on the flange body, bolts are arranged on the plurality of fourth connecting through holes, and the bolts sequentially penetrate through the fourth connecting through holes, the first connecting through holes, the second connecting through holes and the third connecting through holes to fix the protective sleeve on the flange body; and an elastic buffer layer is arranged on the inner wall of the protective sleeve.

Preferably, the filter screen is of a curved surface structure.

Preferably, the top of the inner wall of the fixing part on the protective sleeve is provided with a plurality of springs.

Preferably, the spring is a pagoda-shaped spring.

Preferably, an anti-corrosion lining is arranged on the inner wall of the flange body.

Preferably, the lower surface of the annular installation part on the upper flange is provided with a positioning column, a positioning through hole is formed in the position, corresponding to the positioning column, on the gasket, and a positioning groove is formed in the position, corresponding to the positioning column, on the lower flange.

The utility model relates to a modular copper alloy flange compares with prior art has following advantage:

(1) the flange body is effectively protected by arranging the protective sleeve, and the copper alloy flange has good sealing performance;

(2) simple structure and convenient installation.

Drawings

Fig. 1 is a schematic structural view of an upper flange in the present embodiment;

FIG. 2 is a schematic structural view of a gasket according to the present embodiment;

FIG. 3 is a schematic structural view of a lower flange in the present embodiment;

FIG. 4 is a schematic structural view of a lower flange for mounting a filter net in the present embodiment;

FIG. 5 is a schematic structural diagram of a flange body according to the present embodiment;

FIG. 6 is a schematic structural view of the protective sheath of this embodiment 1;

FIG. 7 is a schematic structural view of the protective sheath of this embodiment 2;

fig. 8 is a schematic structural diagram of a combined copper alloy flange according to the present embodiment.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 8, the combined copper alloy flange of the present invention comprises a flange body and a protective sleeve 9;

as shown in fig. 1 to 4, the flange body comprises an upper flange 1, a gasket 3 and a lower flange 5; the bottom of the upper flange 1 is provided with an annular mounting part 11, and the annular mounting part 11 is provided with a plurality of first connecting through holes 2 in an annular array mode; a plurality of second connecting through holes 4 are formed in the gasket 3, and the second connecting through holes 4 are matched with the first connecting through holes 2; a plurality of third connecting through holes 6 are formed in the lower flange 5, and the third connecting through holes 6 are also matched with the first connecting through holes 2; the gasket 3 is arranged between the annular mounting part 11 on the upper flange 1 and the lower flange 5; one side of the lower flange 5, which is back to the gasket 3, is inwards sunken to form a mounting groove 7, and a filter screen 8 is arranged on the mounting groove 7; preferably, the filter screen 8 is of a curved surface structure, so that the filtering area can be increased;

as shown in fig. 5, the shape of the protective sleeve 9 is matched with the flange body, one end of the protective sleeve 9 is provided with a fixing portion 12, the upper surface of the fixing portion 12 is provided with a plurality of fourth connecting through holes 10, and the plurality of fourth connecting through holes 10 are matched with the first connecting through holes 2; the protective sleeve 9 is sleeved on the flange body, bolts are arranged on the plurality of fourth connecting through holes 10, and the bolts sequentially penetrate through the fourth connecting through holes 10, the first connecting through hole 2, the second connecting through hole 4 and the third connecting through hole 6 to fix the protective sleeve 9 on the flange body; the inner wall of the protective sleeve 9 is provided with an elastic buffer layer, so that when the protective sleeve 9 is sleeved on the flange body, the stability of connection between the protective sleeve and the flange body can be ensured; preferably, in order to further ensure the tightness of the flange body, as shown in fig. 8, a plurality of springs 13 are arranged on the top of the inner wall of the fixing portion 12 on the protective sleeve 9, so that the tightness of the upper flange 1, the gasket 3 and the lower flange 5 is increased by the elastic force of the springs 13, preferably, the springs 13 are pagoda-shaped springs, and the pagoda-shaped springs with the same volume can bear higher pressure and correspondingly more stored energy than a common compression spring in the same installation space, can bear higher pressure under the same deformation amount, and therefore have higher elastic force.

Furthermore, the inner wall of the flange body is provided with an anti-corrosion lining, so that the anti-corrosion performance of the flange body is improved.

Further, be equipped with the reference column on the lower surface of the annular installation department 11 on the upper flange 1, the position that corresponds the reference column on the gasket 3 is equipped with positioning hole, the position that corresponds the reference column on the lower flange 5 is equipped with the constant head tank, so sets up, can accelerate the equipment of flange body.

When installing the copper alloy flange, at first on the mounting groove of fixing filter screen 8 on the lower flange, then through the reference column, with flange body fast assembly, the back is accomplished in the equipment, cup joints protective sheath 9 on the flange body to it is fixed mutually with the flange body with protective sheath 9 through the bolt.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A combined copper alloy flange is characterized by comprising a flange body and a protective sleeve;

2. The composite copper alloy flange according to claim 1, wherein said filter mesh is of a curved configuration.

3. A modular copper alloy flange according to claim 1 or 2, wherein the springs are provided on the top of the inner wall of the stationary portion of the protective sleeve.

4. The composite copper alloy flange according to claim 3, wherein said spring is a pagoda-shaped spring.

5. A combined copper alloy flange according to claim 1 or 2, wherein an anticorrosive lining is provided on the inner wall of the flange body.

6. The combined type copper alloy flange as claimed in claim 1 or 2, wherein the lower surface of the annular mounting portion of the upper flange is provided with positioning posts, the gasket is provided with positioning through holes at positions corresponding to the positioning posts, and the lower flange is provided with positioning grooves at positions corresponding to the positioning posts.