CN210218970U

CN210218970U - Spliced flange

Info

Publication number: CN210218970U
Application number: CN201921028835.2U
Authority: CN
Inventors: Weiming Zhang; 张伟明; Yi Ding; 丁一
Original assignee: Shanghai Sheng Jian Environmental System Polytron Technologies Inc
Current assignee: Shanghai Sheng Jian Environmental System Polytron Technologies Inc
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-31
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a concatenation type flange, including a plurality of flange unit spares (1) and cuff (2), it is a plurality of flange unit spare (1) end to end connects gradually and constitutes round concatenation flange, the pipeline can the suit in the concatenation flange, cuff (2) can overlap be used for on the concatenation flange with the concatenation flange is held tightly the pipeline, flange unit spare (1) all has the through-hole on treating the flange, and the bolt passes through-hole and end are fastened through the nut. This concatenation type flange can match multiple bore tuber pipe, improves work efficiency, reduces the operation difficulty, and the installation rate is showing and is promoting.

Description

Spliced flange

Technical Field

The utility model relates to a flange technical field especially relates to a concatenation type flange.

Background

With the increasing attention of people to environmental problems, the requirements of industries such as semiconductors, electronics, photovoltaics and the like on special exhaust emission and treatment in the manufacturing process are more and more strict.

The flange used in the prior art is not easy to install in field disassembly due to the fixed caliber of the flange and difficult to undercut, so that an air pipe is installed with errors, secondary modification is needed or the next air pipe is reused, and unnecessary waste is caused; the flange caliber is fixed under the construction state, and the same kind of air pipes can only use the same kind of flanges.

Therefore, how to improve the field air duct modification and thus the work efficiency is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concatenation type flange, this concatenation type flange can match multiple bore tuber pipe, improves work efficiency, reduces the operation difficulty, and the installation rate is showing and is promoting.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a concatenation type flange, includes a plurality of flange unit spares and cuff, and is a plurality of flange unit spare connects gradually end to end constitutes round concatenation flange, the pipeline can the suit in the concatenation flange, the cuff can overlap be used for on the concatenation flange with the concatenation flange is held tightly the pipeline, flange unit spare all has the through-hole with treat on the flange, and the bolt passes through-hole and end are fastened through the nut.

Preferably, the flange connecting device further comprises a fixing clip, and the fixing clip is used for positioning at the installation positions of the first flange unit piece and the last flange unit piece and the flange to be connected.

Preferably, one end of the flange unit piece is provided with a connecting sleeve hole, and the other end is provided with a connecting shaft matched with the connecting sleeve hole.

Preferably, the contact surface of the flange unit piece and the pipeline is a curved surface with the same curvature as that of the pipeline.

Preferably, the splicing flange has a circumference smaller than a circumference of the pipeline.

Preferably, the hoop is a hoop with a notch, two ends of the hoop are provided with connecting plates, the connecting plates are provided with connecting holes, and two ends of the hoop are connected through bolts.

Preferably, the fixing clamp comprises a C-shaped frame, a fixing claw fixed on the inner side of one end of the C-shaped frame, and a movable claw with a screw rod inserted into a threaded hole at the other end of the C-shaped frame, and the distance from the movable claw to the fixing claw can be adjusted.

The utility model provides a concatenation type flange, including flange unit spare and cuff, the quantity of flange unit spare is a plurality of, and specific quantity is confirmed according to the size of pipeline, every flange unit spare. The flange unit spare's size is less, and a plurality of flange unit spares connect gradually end to end and constitute a round concatenation flange, and the pipeline can the suit in concatenation flange, around circular pipeline a week. The hoop can be sleeved on the splicing flange to tightly hold the splicing flange to the pipeline, and is used for fixing the horizontal degree of freedom of the splicing flange and the pipeline. The flange unit and the flange to be connected are provided with through holes, when the hoop fixes the splicing flange on a pipeline, bolts penetrate through the through holes and the tail ends of the bolts are fastened through nuts, and the splicing flange is connected with the opposite flange to be connected, namely the pipeline is connected with the pipeline to be connected.

The utility model provides a concatenation type flange for the flange among the prior art, can change flange bore size, can match multiple bore tuber pipe, has reduced on-the-spot installation error, has reduced to modify the tuber pipe and has caused the trouble of work to increase the influence to the job schedule, has higher commonality, and the flexibility is installed easily, reduces the operation difficulty, reduces on-the-spot repacking time greatly, great improvement work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a flange unit in a splicing flange according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a connection schematic diagram of a flange unit piece;

FIG. 5 is a schematic view of the ferrule;

fig. 6 is a schematic structural view of the fixing clip.

The drawings are numbered as follows:

1-flange unit piece, 2-hoop, 3-fixed clamp, 11-connecting shaft, 12-connecting sleeve hole, 31-C type frame, 32-screw rod, 33-movable claw and 34-fixed claw.

Detailed Description

The core of the utility model is to provide a concatenation type flange, this concatenation type flange can match multiple bore tuber pipe, improves work efficiency, reduces the operation difficulty, and the installation rate is showing and is promoting.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a flange unit in a splicing flange according to an embodiment of the present invention; FIG. 2 is a front view of FIG. 1; FIG. 3 is a top view of FIG. 1; FIG. 4 is a connection schematic diagram of a flange unit piece; FIG. 5 is a schematic view of the ferrule; fig. 6 is a schematic structural view of the fixing clip.

In a specific embodiment, the utility model provides a concatenation type flange, including a plurality of flange unit spares 1 and cuff 2, a plurality of flange unit spares 1 end to end connect gradually and constitute round concatenation flange, and the pipeline can the suit in the concatenation flange, and cuff 2 can overlap and be used for on the concatenation flange holding the pipeline tightly with the concatenation flange, flange unit spare 1 with treat that all have the through-hole on the flange, the bolt passes through the through-hole and the end fastens through the nut.

In the structure, the spliced flange comprises a flange unit piece 1 and a hoop 2, the flange unit piece 1 can be an angle steel component, the flange unit piece 1 and the hoop 2 can be stainless steel components, and the width of the hoop 2 is self-determined. The number of the flange unit pieces 1 is multiple, and the specific number is determined according to the size of the pipeline and the size of each flange unit piece 1. The size of the flange unit piece 1 is small, the flange unit pieces 1 are sequentially connected end to form a circle of splicing flange, and the pipeline can be sleeved in the splicing flange and surrounds the circular pipeline for a circle.

It should be noted that the hoop 2 can be sleeved on the splicing flange to hold the splicing flange tightly to the pipeline, so as to fix the horizontal degree of freedom between the splicing flange and the pipeline.

The flange unit part 1 and the flange to be connected are provided with through holes, when the hoop 2 fixes the splicing flange on a pipeline, bolts pass through the through holes and the tail ends of the bolts are fastened through nuts, and the splicing flange is connected with the opposite flange to be connected, namely the pipeline is connected with the pipeline to be connected.

The specific installation mode is as follows: firstly, fixing a flange unit piece 1 on a flange to be connected on the opposite side, drilling a through hole, and fixing by using a bolt; then putting the modified air pipe on the first flange unit part 1, then connecting the second flange unit part 1 with the first flange unit part 1, sequentially connecting the second flange unit part 1 and the first flange unit part downwards until the second flange unit part surrounds the air pipe for a circle, and then sleeving the splicing flange with a hoop 2; and finally, drilling a through hole in the flange unit piece 1 and fixing the through hole by using a bolt.

The utility model provides a concatenation type flange under the unchangeable condition of other parts, still includes fixing clip 3, locates through fixing clip 3 at first flange unit spare 1 and last flange unit spare 1 and the mounted position department of treating flange. The flange unit piece 1 is fixed by the fixing clip 3 after being not connected, so that the position is prevented from moving back and forth in the connecting process of the flange unit piece 1, the flange unit piece 1 is convenient to maintain an accurate position, the accuracy of a subsequent punching position and a connecting position is ensured, and the connecting precision and quality are improved.

On the basis of the above-mentioned each specific embodiment, there are various ways to realize that a plurality of flange unit pieces 1 are connected end to end in sequence to form a ring of splicing flange, specifically, it is possible to use a shaft-inserting way, for example, one end of the flange unit piece 1 has a connecting sleeve hole 12, the other end has a connecting shaft 11 matching with the connecting sleeve hole 12, the connecting process is to insert the connecting shaft 11 into the connecting sleeve hole 12 of the adjacent flange unit piece 1, the operation is simple, and the connection is easy. Of course, the manner of inserting the shaft is only a preferred embodiment, and is not exclusive, and the shaft can be connected by other suitable manners, such as a hinge connection, and is within the protection scope of the present invention.

In another more reliable embodiment, on the basis of any one of the above embodiments, the contact surface of the flange unit 1 and the pipeline is a curved surface, and the curvature of the curved surface is equal to that of the pipeline, so that the flange unit 1 is more attached to the pipeline when contacting the pipeline, the pipeline is more easily held tightly, and the pipeline is not scratched.

The splicing type flange is only a preferred scheme, is particularly not limited to the preferred scheme, and can be adjusted in a targeted mode according to actual needs on the basis, so that different implementation modes are obtained, the circumferences of all the splicing flanges are not equal to the circumference of a pipeline, sometimes, the circumference of each splicing flange is smaller than the circumference of the pipeline, one flange unit piece 1 is connected too large, a gap is formed between the head flange unit piece 1 and the tail flange unit piece 1, the splicing flanges do not completely embrace the pipeline, and the splicing flanges are fixed on the pipeline through the hoops 2 without affecting normal connection. The mode can enlarge the application range of the splicing flange, and the splicing flange is more convenient to use.

It should be pointed out very much that the utility model provides a concatenation type flange should not be restricted to this kind of situation, and hoop 2 is for having the breach, and the power of holding tightly is comparatively abundant, can make hoop 2 fix concatenation flange and pipeline better. The two ends of the hoop are provided with connecting plates, the connecting plates are provided with connecting holes, and the two ends of the hoop are connected through bolts, so that the hoop is simple in structure and easy to connect.

For the splicing type flange in each of the above embodiments, the fixing clip 3 includes a C-shaped frame 31, a fixing claw 34 fixed on the inner side of one end of the C-shaped frame 31, and a movable claw 33 with a screw rod 32 inserted into a threaded hole at the other end of the C-shaped frame 31, and the distance from the movable claw 33 to the fixing claw 34 can be adjusted.

In the above structure, the fixing clip 3 includes a C-shaped frame 31, a fixing claw 34 and a movable claw 33, the fixing claw 34 is fixed on the inner side of one end of the C-shaped frame 31, a screw rod 32 of the movable claw 33 is inserted into a threaded hole at the other end of the C-shaped frame 31, the screw rod 32 can move telescopically in the threaded hole, thereby the distance from the movable claw 33 to the fixing claw 34 can be adjusted, and the screw rod 32 has self-locking property, and can be locked after the distance is adjusted. The flange unit piece 1 and the flange to be connected are clamped between the fixed claw 34 and the movable claw 33, so that the flange unit piece 1 is positioned, the operation is simple, and the flange connecting device is practical.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a concatenation type flange has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a concatenation type flange, its characterized in that includes a plurality of flange unit spare (1) and cuff (2), and is a plurality of flange unit spare (1) end to end connects gradually constitutes round concatenation flange, the pipeline can the suit in the concatenation flange, cuff (2) can overlap be used for on the concatenation flange with the concatenation flange holds tightly the pipeline, flange unit spare (1) and treat all have the through-hole on the flange, the bolt passes through-hole and end are fastened through the nut.

2. The splice-type flange according to claim 1, further comprising a fixing clip (3) positioned by the fixing clip (3) at a mounting position of the first and last flange unit pieces (1, 1) and the flange to be connected.

3. The splicing type flange according to claim 1, wherein one end of the flange unit piece (1) is provided with a connecting sleeve hole (12), and the other end is provided with a connecting shaft (11) matched with the connecting sleeve hole (12).

4. The splicing type flange according to claim 1, wherein the contact surface of the flange unit piece (1) and the pipeline is a curved surface with the same curvature as the pipeline.

5. The splicing flange of claim 1, wherein a circumference of the splicing flange is less than a circumference of the pipe.

6. The splice flange according to claim 1, wherein the hoop (2) is a notched hoop having connection plates at both ends thereof, the connection plates having connection holes therein, and the two ends of the hoop being connected by bolts.

7. The splicing type flange according to claim 1, wherein said fixing clip (3) comprises a C-shaped frame (31), a fixing claw (34) fixed inside one end of said C-shaped frame (31), and a movable claw (33) with a screw rod (32) inserted into a threaded hole at the other end of said C-shaped frame (31), and the distance from said movable claw (33) to said fixing claw (34) is adjustable.