CN215410669U

CN215410669U - Flange and industrial equipment

Info

Publication number: CN215410669U
Application number: CN202120232069.2U
Authority: CN
Inventors: 邵天文; 邵冠雄
Original assignee: Shenzhen Chuangtianlong Environmental Protection Equipment Technology Co ltd
Current assignee: Guangdong Chuangtianlong Environmental Protection Equipment Technology Co.,Ltd.
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2022-01-04
Anticipated expiration: 2031-01-27

Abstract

The utility model provides a flange and industrial equipment, which comprises a flange plate and a connecting pipe, wherein the flange plate is provided with a plurality of connecting holes penetrating through the flange plate along the circumferential direction, the first end of the connecting pipe is connected with the flange plate, the second end of the connecting pipe extends to a position far away from the flange plate, the second end of the connecting pipe is provided with a transition pipe, the transition pipe is communicated with the connecting pipe, the peripheral side surface of the transition pipe is a connecting surface, the outer diameter of the transition pipe is smaller than that of the connecting pipe, a step is formed at the connecting position of the transition pipe and the connecting pipe, the flange comprises an equipment main body, the equipment main body is provided with a mounting hole, the transition pipe of the flange is inserted into the mounting hole and is connected with the equipment main body, and the step is abutted against the equipment main body; the flange and the industrial equipment have the advantages of reasonable structure and stable and reliable connection.

Description

Flange and industrial equipment

Technical Field

The utility model belongs to the technical field of pipeline connecting pieces, and particularly relates to a flange and industrial equipment.

Background

The flange is a widely used connecting piece, is used as an intermediate medium for connecting pipe fittings, is a disc-shaped object which can generate plastic deformation and is made of a material with certain strength, and can enable the two pipe fittings to be communicated through the mutual matching of the two flange plates. For example, in electroplating equipment, aluminum foil corrosion equipment, aluminum foil formation equipment or ultrasonic cleaning equipment, in order to prevent corrosion to metals, container bodies used in the above equipment and flanges for connecting external pipes are mainly made of corrosion-resistant plastic materials. But among the prior art because the flange dish is connected the produced stress behind with external pipeline, the locking atress is uneven or come from factors such as the gravity of external pipeline to can make the easy problem that ftractures appear in the junction of flange and the equipment main part, and then caused the maintenance or the cost of maintenance of equipment too high, further just can corresponding increase the use cost of equipment.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a flange with a reasonable structure and stable and reliable connection.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a flange, includes ring flange and connecting pipe, set up a plurality of connecting holes that run through the ring flange along its circumferencial direction on the ring flange, the first end of connecting pipe with the ring flange is connected, the second end of connecting pipe is to keeping away from ring flange department extends, the second of connecting pipe is held and is provided with the transition pipe, the transition pipe with the connecting pipe is linked together, the week side of transition pipe is for connecting the face, the external diameter of transition pipe is less than the external diameter of connecting pipe and the transition pipe with the junction of connecting pipe forms the step.

As a further improvement to the flange, the terminal end of the transition pipe is provided with a chamfer.

As a further improvement of the flange, a plurality of reinforcing ribs are arranged outside the connecting pipe along the circumferential direction of the connecting pipe, the flange plate and the connecting pipe are connected with the reinforcing ribs, and adjacent reinforcing ribs are arranged at intervals to form concave parts, and the connecting holes are respectively corresponding to the concave parts.

As a further improvement of the flange, the reinforcing rib comprises a first connecting edge and a second connecting edge, a first end of the first connecting edge abuts against the connecting pipe, a second end of the first connecting edge extends outwards relative to the radial direction of the flange plate, and the first connecting edge is connected with the flange plate; the first end of the second connecting edge is abutted against the flange plate, the second end of the second connecting edge extends far away from the flange plate relative to the axial direction of the connecting pipe, and the second connecting edge is connected with the connecting pipe.

As a further improvement on the flange, the flange is made of a plastic material, and demolding convex points are arranged on the flange plate and are positioned in the concave parts; and/or demolding salient points are arranged on the transition pipe.

As a further improvement of the flange, the flange plate, the connecting pipe and the reinforcing ribs are all made of PP materials or nylon materials.

As a further improvement of the flange, the flange plate, the connecting pipe and the reinforcing ribs are integrally formed.

As a further improvement of the flange, a protruding surface higher than the surface of the flange is further arranged on the other surface of the flange relative to the connecting pipe, the protruding surface is located outside an inner diameter hole of the flange, and a plurality of annular grooves are further arranged on the protruding surface by taking the inner diameter hole as a circle center.

The industrial equipment comprises an equipment main body and the flange, wherein the equipment main body is provided with a mounting hole, a transition pipe of the flange is inserted into the mounting hole and is connected with the equipment main body, and a step is abutted against the equipment main body.

As a further improvement of the industrial equipment, a chamfer on the transition pipe forms a reinforcement welding position between the transition pipe and the equipment main body, and the equipment main body is any one of electroplating equipment, aluminum foil corrosion equipment, formation aluminum foil equipment or ultrasonic cleaning equipment.

Compared with the prior art, the utility model has the following beneficial effects: the step is formed at the connecting part of the transition pipe and the connecting pipe, when the transition pipe is inserted into the equipment main body connected with the transition pipe, the step can limit the position of the connecting pipe inserted into the equipment main body, and therefore the installation convenience of the connecting seat is improved; secondly, owing to set up the step, also can effectively improve the joint strength of flange and equipment main part, when the flange receives the influence of the gravity that comes from the external pipeline or the influence of the shearing force that forms, the step then can mutually support with the equipment main part and form the support to reduce or avoid the atress to the junction point department of equipment main part on the transition pipe, improve the joint strength of flange and equipment main part promptly.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic view of a flange according to the present invention;

FIG. 2 is a schematic top view of a flange according to the present invention;

fig. 3 is a schematic bottom view of a flange according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and specific examples so that those skilled in the art can better understand the present invention and can implement the present invention, but the examples are not intended to limit the present invention, and in the present examples, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

As shown in fig. 1-3, the present embodiment provides a flange, which includes a flange plate 1 and a connecting pipe 2, a first end of the connecting pipe 2 is connected to the flange plate 1, a second end of the connecting pipe 2 extends away from the flange plate 1, a transition pipe 21 is disposed at the second end of the connecting pipe 2, the transition pipe 21 and the connecting pipe 2 are integrally formed, a connecting surface 22 is disposed on the transition pipe 21 along the periphery thereof, and the connecting surface 22 is a joint surface for forming a connection with an apparatus main body; wherein the outer diameter of the transition pipe 21 is smaller than that of the connection pipe 2 and a step 23 is formed at the connection of the transition pipe 21 and the connection pipe 2. Specifically, a step 23 is formed at the connection position of the transition pipe 21 and the connecting pipe 2, that is, when the transition pipe 21 is inserted into the equipment main body connected with the transition pipe, the step 23 can limit the position of the connecting pipe 2 inserted into the equipment main body, so that the installation convenience of the connecting seat is improved; secondly, because the step 23 is arranged, the connection strength of the flange and the equipment main body can be effectively improved, when the flange is influenced by gravity from an external pipeline or formed shearing force, the step 23 can be matched with the equipment main body to form support, so that stress on the connection point of the equipment main body on the transition pipe 21 is reduced or avoided, and the connection strength of the flange and the equipment main body is improved. Further, the transition pipe 21 is provided with a chamfer 24 at the end thereof, and the chamfer 24 can be provided to facilitate insertion of the transition pipe 21 into the mounting hole of the device body, i.e., to facilitate flange mounting or connection to the device body.

As shown in fig. 1-3, in a preferred embodiment, a plurality of reinforcing ribs 3 are arranged outside the connecting pipe 2 or on the flange plate 1 along the circumferential direction thereof, the flange plate 1 and the connecting pipe 2 are both connected with the reinforcing ribs 3, and adjacent reinforcing ribs 3 are arranged at intervals and form recessed portions 4 relative to the radial direction of the connecting pipe 2, the flange plate 1 is further provided with a plurality of connecting holes 11 penetrating through the flange plate 1 along the circumferential direction thereof, the connecting holes 11 are used for inserting bolts, i.e., the connecting holes 11 are used for connecting the two flange plates 1, and the connecting holes 11 respectively correspond to the recessed portions 4, so as to facilitate the insertion of bolts or the locking of nuts; further, each concave portion 4 corresponds to one or more connecting holes 11, specifically, when the diameter of the flange plate 1 is relatively large, there are often relatively more connecting holes 11 opened on the flange plate 1, and at this time, two or more connecting holes 11 may be correspondingly arranged on the flange plate 1 corresponding to the concave portion 4.

Further, the reinforcing rib 3 comprises a first connecting edge 31 and a second connecting edge 32, a first end of the first connecting edge 31 abuts against the connecting pipe 2, a second end of the first connecting edge 31 extends to a position far away from the connecting pipe 2 relative to the radial direction of the flange plate 1, and the flange plate 1 of the first connecting edge 31 is fixedly connected; the first end of the second connecting edge 32 abuts against the flange plate 1, the second end of the second connecting edge 32 extends away from the flange plate 1 relative to the axial direction of the connecting pipe 2, and the second connecting edge 32 is connected with the connecting pipe 2. Further, the second end of the first connecting edge 31 extends to the edge of the outer diameter of the flange plate 1, and the second end of the first flange smoothly transitions to the second end of the second flange, so that the single reinforcing rib 3 has a substantially triangular shape. Further, the flange plate 1, the connecting pipes 2 and the reinforcing ribs 3 in this embodiment are integrally formed by injection molding, for example, the flange plate 1, the connecting pipes 2 and the reinforcing ribs 3 are all made of PP material or nylon material, and the flange in this embodiment is formed by injection molding of PP material. Further, a second end of the first connecting edge 31 extends to the outer diameter edge of the flange plate 1, and the second end of the first connecting edge 31 is connected to a second end of the second connecting edge 32 through a bevel edge; the width of the first end of the bevel edge is larger than that of the second end of the bevel edge, and at least one part of the width between the first end and the second end of the bevel edge is smaller than that of the second end of the bevel edge; for example, in the embodiment, the width of the bevel edge at the flange plate 1 is greater than the width of the bevel edge at the connecting pipe 2, so that the overall rigidity of the flange plate 1 is improved, and the stress imbalance caused by deformation after the flange plate is connected with the flange in an external pipeline is reduced.

Particularly, when the flange is using, its connecting pipe 2, ring flange 1 and strengthening rib 3 are through whole injection moulding, wherein, strengthening rib 3 mutually supports with connecting pipe 2 and ring flange 1, therefore can make ring flange 1 and connecting pipe 2's joint strength effectively improve, ring flange 1 is higher with connecting pipe 2 welding or welded connection's intensity among the traditional mode promptly, and then effectively reduce or avoided ring flange 1 to make the easy problem of ftracturing of ring flange 1 and connecting pipe 2's junction because of the atress after being connected with external pipeline.

As shown in fig. 2, in a preferred embodiment, the flange plate 1 is further provided with demolding protrusions 5, the demolding protrusions 5 are located in the concave portions 4, and/or the transition pipe 21 is provided with the demolding protrusions 5; after injection molding is carried out in the flange mold, the flange needs to be pushed out of the mold, and at the moment, a plurality of demolding ejector rods arranged in the mold relative to the circumferential direction of the flange plate 1 or the tail end of the transition pipe 21 synchronously stretch out to enable the flange plate 1 and/or the connecting pipe 2 to be stressed so as to enable the injection molded flange to be integrally sent out of the mold.

In the preferred embodiment, as shown in fig. 3, the flange 1 is further provided with a raised surface 6 higher than the surface of the flange 1 on the other surface opposite to the connecting pipe 2, and the raised surface 6 is located outside the inner diameter hole of the flange 1. Furthermore, a plurality of annular grooves 61 are also arranged on the convex surface 6 by taking the inner diameter hole as the circle center, the convex surface 6 is used for forming a sealing surface between the two flange plates 1, and when the two flange plates 1 are connected and locked by using bolts, the convex surfaces 6 on the two connected flange plates 1 can be tightly attached to form sealing; further, when two ring flanges 1 link to each other, can also use seal gasket between the bellying 6, the bellying 6 back of pressing from both sides seal gasket clamp this moment, the seal gasket can appear warping because of the clamp force of two ring flanges 1, fill annular groove 61 promptly to further improve or increase close effect, or said differently, also can avoid because of the tightening torque undersize of bolt fluid in the body promotes sealed the pad and finally causes sealed the inefficacy to the department because of pressure, annular groove 61 can reduce or avoid seal gasket to appear the problem of displacement because of pressure promptly.

The embodiment also provides industrial equipment (not shown in the figure), which comprises an equipment main body and the flange, wherein the equipment main body is provided with a mounting hole, and the main equipment main body can be any one of electroplating equipment, aluminum foil corrosion equipment, aluminum foil formation equipment or ultrasonic cleaning equipment; wherein, the transition pipe 21 of the flange is inserted into the mounting hole, and the peripheral side surface of the transition pipe 21 is in sealed connection with the equipment main body, such as thermal welding; further, the step 23 abuts against the apparatus main body. When the transition pipe 21 is inserted into the mounting hole in the equipment main body connected with the transition pipe, the diameter of the step 23 is larger than that of the transition pipe, so that the position of the connecting pipe 2 inserted into the equipment main body can be limited, and the convenience of flange mounting is further improved; secondly, because the step 23 is arranged, the connection strength of the flange and the equipment main body can be effectively improved, when the flange is influenced by gravity from an external pipeline or formed shearing force, the step 23 can be matched with the equipment main body to form support, so that stress on the connection point of the equipment main body on the transition pipe 21 is reduced or avoided, namely, the connection strength of the flange and the equipment main body is improved

Further, in a preferred embodiment, the chamfer 24 on the transition pipe 21 forms a reinforcement welding position between the transition pipe 21 and the equipment main body, that is, after the flange is connected with the equipment main body, the equipment main body and the transition pipe 24 are welded again along the chamfer, so that the strength of the flange to the equipment main body can be further improved, for example, the tensile property of the flange relative to the equipment main body can be improved, or the connection reliability of the flange relative to the equipment main body can be further improved when the reinforcement welding position is matched with the step.

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, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means 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 application. 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 application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A flange, characterized in that: including ring flange and connecting pipe, set up a plurality of connecting holes that run through the ring flange along its circumferencial direction on the ring flange, the first end of connecting pipe with the ring flange is connected, the second end of connecting pipe is to keeping away from ring flange department extends, the second of connecting pipe is held and is provided with the transition pipe, the transition pipe with the connecting pipe is linked together, the week side of transition pipe is for connecting the face, the external diameter of transition pipe is less than the external diameter of connecting pipe and the transition pipe with the junction of connecting pipe forms the step.

2. The flange of claim 1, wherein: and a chamfer is arranged at the tail end of the transition pipe.

3. The flange of claim 1, wherein: the connecting pipe is provided with a plurality of reinforcing ribs along the circumferential direction, the flange plate and the connecting pipe are connected with the reinforcing ribs, and adjacent reinforcing ribs are arranged at intervals to form concave parts, and the connecting holes correspond to the concave parts respectively.

4. The flange of claim 3, wherein: the reinforcing rib comprises a first connecting edge and a second connecting edge, the first end of the first connecting edge is abutted against the connecting pipe, the second end of the first connecting edge extends outwards relative to the radial direction of the flange plate, and the first connecting edge is connected with the flange plate; the first end of the second connecting edge is abutted against the flange plate, the second end of the second connecting edge extends far away from the flange plate relative to the axial direction of the connecting pipe, and the second connecting edge is connected with the connecting pipe.

5. The flange of claim 3, wherein: the flange is made of a plastic material, demolding convex points are arranged on the flange plate, and the demolding convex points are located in the concave parts; and/or demolding salient points are arranged on the transition pipe.

6. The flange of claim 5, wherein: the ring flange, the connecting pipe and the reinforcing ribs are all made of PP materials or nylon materials.

7. The flange of claim 6, wherein: the flange plate, the connecting pipe and the reinforcing ribs are integrally formed.

8. The flange according to any one of claims 1 to 7, wherein: the flange plate is provided with a plurality of annular grooves on the other surface relative to the connecting pipe, the annular grooves are higher than the surface of the flange plate, the protruding surface is positioned outside the inner diameter hole of the flange plate, and the protruding surface is provided with a plurality of annular grooves by taking the inner diameter hole as a circle center.

9. An industrial plant characterized by: the flange comprises an equipment main body and at least one flange according to any one of claims 1 to 8, wherein the equipment main body is provided with a mounting hole, a transition pipe of the flange is inserted into the mounting hole and is connected with the equipment main body, and the step is abutted against the equipment main body.

10. The industrial plant according to claim 9, characterized in that: the chamfer on the transition pipe forms the transition pipe with the reinforcement between the equipment main part welds the position, the equipment main part is electroplating equipment, corrodes aluminium foil equipment, becomes any one of aluminium foil equipment or ultrasonic cleaning equipment.