CN215488204U

CN215488204U - Split flange

Info

Publication number: CN215488204U
Application number: CN202121890698.0U
Authority: CN
Inventors: 沈新民; 计根祥
Original assignee: Zhejiang Dengfeng Pump Co ltd
Current assignee: Zhejiang Dengfeng Pump Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

The utility model relates to the technical field of flange connection, in particular to a split flange which increases the convenience of cleaning a filter screen, improves the convenience of operation of a device, reduces maintenance procedures of the device and reduces use limitation; including last flange body, lower flange body, the bolt, the nut, the mounting panel, the screw, mounting bracket and filter screen, be provided with the multiunit through-hole on the last flange body connecting seat, be provided with the multiunit on the lower flange body connecting seat and lead to the groove, it passes through multiunit bolt and nut cooperation intercommunication with lower flange body right-hand member to go up flange body left end, lower flange body top is provided with the connecting seat, lower flange body connecting seat top is provided with the multiunit screw hole, the mounting panel bottom is passed through screw and screw hole cooperation spiral shell threaded connection with lower flange body connecting seat top, the inside spread groove that is provided with of lower flange body cavity, install in the mounting panel bottom on the mounting panel top, the filter screen cooperation is installed inside the mounting bracket shaft hole, mounting bracket and lower flange body spread groove cooperation sliding connection.

Description

Split flange

Technical Field

The utility model relates to the technical field of flange connection, in particular to a split flange.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting pipes and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts.

The central hole on the flange is a passage for fluid in the pipeline, and the two flanges are generally connected through a circle of bolt. The flange that takes filtering capability that appears in the existing market establishes a bellied step face on the flange, directly with the fix with screw filter screen on the step face, though can play filtering capability, but has more shortcoming, the change of filter screen is very inconvenient, with the change preface complicated, uses the convenience relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the split flange which can increase the convenience of cleaning the filter screen, improve the convenience of operation of the device, reduce the maintenance procedures of the device and reduce the limitation of use.

The utility model discloses a split flange which comprises an upper flange body, a lower flange body, bolts, nuts, a mounting plate, screws, a mounting frame and a filter screen, wherein a plurality of groups of through holes are formed in a connecting seat of the upper flange body, a plurality of groups of through grooves are formed in a connecting seat of the lower flange body, the left end of the upper flange body is communicated with the right end of the lower flange body through a plurality of groups of bolts and nuts in a matched mode, the top end of the lower flange body is provided with the connecting seat, a plurality of groups of threaded holes are formed in the top end of the connecting seat of the lower flange body, the bottom end of the mounting plate is in threaded connection with the top end of the connecting seat of the lower flange body through the screws in a matched mode, a connecting groove is formed in the cavity of the lower flange body, the top end of the mounting frame is mounted at the bottom end of the mounting plate, the filter screen is mounted in a matched mode in a shaft hole of the mounting frame, and the mounting frame is in a matched and sliding connection with the connecting groove of the lower flange body.

The split flange further comprises a connecting pipe, a positioning pin shaft and a spring, wherein the right end of the lower flange body is provided with a plurality of fixing grooves, the connecting pipe is respectively installed inside the fixing grooves of the lower flange body, the left end of the positioning pin shaft is matched and slides inside a working cavity of the connecting pipe, the left end of the spring is matched and connected with the left wall of the working cavity of the connecting pipe, the right end of the spring is matched and connected with the left end of the positioning pin shaft, the left end of the upper flange body is provided with a plurality of groups of positioning holes, and the positioning pin shaft is matched and connected with the positioning holes of the upper flange body.

The split flange further comprises a sealing ring, and the sealing ring is installed inside an annular groove at the right end of the lower flange body.

The split flange further comprises a lifting handle, and the bottom end of the lifting handle is installed at the top end of the installation plate.

The split flange further comprises a sealing gasket, and the top end of the sealing gasket is mounted at the bottom end of the mounting plate.

The split flange further comprises a mounting frame, internal threads are arranged inside the shaft hole of the mounting frame, the filter screen is mounted in the inner cavity of the mounting frame, external threaded holes are formed in the outer wall of the mounting frame, and the mounting frame is in matched threaded connection with the mounting frame.

The split flange further comprises connecting rods, and the connecting rods are symmetrically arranged at the right end of the mounting frame.

The split flange further comprises a conical head which is arranged at the connecting end of the positioning pin shaft and the limiting hole of the lower flange body.

Compared with the prior art, the utility model has the beneficial effects that: make upper flange body and lower flange body through multiunit bolt and nut cooperation and stabilize the intercommunication, make filter screen steady mounting in the mounting panel bottom through the mounting bracket, make filter screen and lower flange body cavity connection seal increase through mounting bracket and lower flange body coupling chamber cooperation sliding connection, it carries out impurity filtering to make circulation liquid carry out through the filter screen, it is convenient for clean the change to make the filter screen through screw and lower flange body screw hole cooperation, increase the filter screen clearance convenience, improve the device operation convenience, reduce device maintenance process, reduce and use the limitation.

Drawings

FIG. 1 is a schematic axial side view of the present invention;

FIG. 2 is a schematic view of the construction of the components of the present invention;

FIG. 3 is a schematic view, partly in section, of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 2;

in the drawings, the reference numbers: 1. an upper flange body; 2. a lower flange body; 3. a bolt; 4. a nut; 5. mounting a plate; 6. a screw; 7. a mounting frame; 8. a filter screen; 9. a connecting pipe; 10. positioning a pin shaft; 11. a spring; 12. a seal ring; 13. lifting the handle; 14. a gasket; 15. installing a frame; 16. a connecting rod.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the split flange of the present invention comprises an upper flange body 1, a lower flange body 2, bolts 3, and nuts 4, the mounting plate 5, the screw 6, the mounting rack 7 and the filter screen 8, there are multiunit through holes on the upper flange body 1 connecting seat, there are multiunit through grooves on the lower flange body 2 connecting seat, the left end of the upper flange body 1 cooperates with the right-hand member of the lower flange body 2 through multiunit bolt 3 and nut 4 to communicate, there are connecting seats on the top of the lower flange body 2, there are multiunit threaded holes on the top of the lower flange body 2 connecting seat, the bottom of the mounting plate 5 cooperates with the top of the lower flange body 2 connecting seat to screw hole to cooperate the screwed connection through the screw 6, there are spread grooves in the cavity of the lower flange body 2, the top of the mounting rack 7 is mounted in the bottom of mounting plate 5, the filter screen 8 cooperates and installs in the shaft hole of the mounting rack 7, the mounting rack 7 cooperates with the spread groove of the lower flange body 2 to slip-connect; make upper flange body 1 and lower flange body 2 through the cooperation of multiunit bolt 3 and nut 4 and stabilize the intercommunication, make filter screen 8 stable mounting in mounting panel 5 bottom through mounting bracket 7, connect chamber cooperation sliding connection to make filter screen 8 and lower flange body 2 cavity connection seal increase through mounting bracket 7 and lower flange body, it carries out impurity filtering to make circulation liquid through filter screen 8, it is clean the change of being convenient for to make filter screen 8 through the cooperation of screw 6 and lower flange body 2 screw hole, increase the convenience of 8 clearance of filter screen, improve device simple operation nature, reduce device maintenance process, reduce the use limitation.

The split flange further comprises a connecting pipe 9, a positioning pin shaft 10 and a spring 11, wherein a plurality of fixing grooves are formed in the right end of the lower flange body 2, the connecting pipe 9 is respectively installed inside the fixing grooves of the lower flange body 2, the left end of the positioning pin shaft 10 is matched and slides inside a working cavity of the connecting pipe 9, the left end of the spring 11 is matched and connected with the left wall of the working cavity of the connecting pipe 9, the right end of the spring 11 is matched and connected with the left end of the positioning pin shaft 10, a plurality of groups of positioning holes are formed in the left end of the upper flange body 1, and the positioning pin shaft 10 is matched and connected with the positioning holes of the upper flange body 1; make locating pin axle 10 respectively with lower flange body 2 fixed orifices cooperation sliding connection through connecting pipe 9, make upper flange body 1 and lower flange body 2 connect the positioning accuracy increase through locating pin axle 10 and the spacing hole cooperation of lower flange body 2, make locating pin axle 10 and the spacing hole contact of lower flange body 2 cushion through spring 11, improve device connection seal, increase device connection accuracy, reduce the use limitation.

The split flange also comprises a sealing ring 12, wherein the sealing ring 12 is arranged in an annular groove at the right end of the lower flange body 2; the connection precision of the upper flange body 1 and the lower flange body 2 is increased through the sealing ring 12, the conveying stability of the device is improved, liquid leakage is reduced, and the use limitation is reduced.

The split flange further comprises a lifting handle 13, and the bottom end of the lifting handle 13 is installed at the top end of the mounting plate 5; make mounting panel 5 pull through carrying handle 13 and put, increase the device simple operation nature, reduce the device filter screen 8 and change the degree of difficulty, improve device and use adaptability.

The split flange further comprises a sealing gasket 14, and the top end of the sealing gasket 14 is installed at the bottom end of the mounting plate 5; the connection tightness of the mounting plate 5 and the lower flange body 2 connecting seat is increased through the sealing gasket 14, so that liquid leakage is prevented, the conveying stability of the device is improved, and the connection adaptability of the device is increased.

The split flange further comprises a mounting frame 15, internal threads are arranged in a shaft hole of the mounting frame 7, the filter screen 8 is mounted in an inner cavity of the mounting frame 15, an external threaded hole is formed in the outer wall of the mounting frame 15, and the mounting frame 15 is in matched threaded connection with the mounting frame 7; through the cooperation spiral shell dress of installing frame 15 and mounting bracket 7 and connect and make filter screen 8 be connected the dismouting of being convenient for and change with mounting bracket 7, reduce device dismouting work, increase device connection stability.

The split flange further comprises a connecting rod 16, and the connecting rod 16 is symmetrically arranged at the right end of the mounting frame 15; make installing frame 15 rotate the degree of difficulty through connecting rod 16 and reduce, improve device dismouting efficiency, increase the device and connect the convenience, reduce and use the limitation.

The split flange also comprises a conical head which is arranged at the connecting end of the positioning pin shaft 10 and the limiting hole of the lower flange body 2; the connecting end of the positioning pin shaft 10 is set to be a conical head, so that the positioning connection difficulty of the upper flange body 1 and the lower flange body 2 is reduced, the connection efficiency of the device is increased, and the operation convenience of the device is improved.

When the filter screen 8 is replaced, firstly, the mounting plate 5 is fixedly connected and separated with the connecting seat of the lower flange body 2 by rotating the screw 6, then the mounting frame 7 drives the filter screen 8 to move upwards and pull out of the cavity of the lower flange body 2 by lifting the handle 13, and then the filter screen 8 is disassembled and replaced by rotating the mounting frame 15 through the connecting rod 16.

The installation mode, the connection mode or the arrangement mode of the split flange are common mechanical modes, and the split flange can be implemented as long as the beneficial effects of the split flange can be achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The split flange is characterized by comprising an upper flange body (1), a lower flange body (2), bolts (3), nuts (4), a mounting plate (5), screws (6), a mounting frame (7) and a filter screen (8), wherein a plurality of groups of through holes are formed in a connecting seat of the upper flange body (1), a plurality of groups of through grooves are formed in the connecting seat of the lower flange body (2), the left end of the upper flange body (1) is matched and communicated with the right end of the lower flange body (2) through a plurality of groups of bolts (3) and nuts (4), the top end of the lower flange body (2) is provided with a connecting seat, a plurality of groups of threaded holes are formed in the top end of the connecting seat of the lower flange body (2), the bottom end of the mounting plate (5) is matched and screwed with the top end of the connecting seat of the lower flange body (2) through the screws (6), a connecting groove is formed in the cavity of the lower flange body (2), and the top end of the mounting frame (7) is mounted at the bottom end of the mounting plate (5), the filter screen (8) is installed inside the shaft hole of the mounting frame (7) in a matching mode, and the mounting frame (7) is connected with the connecting groove of the lower flange body (2) in a sliding mode in a matching mode.

2. The split flange according to claim 1, further comprising a connecting pipe (9), a positioning pin (10) and a spring (11), wherein a plurality of fixing grooves are formed in the right end of the lower flange body (2), the connecting pipe (9) is respectively installed inside the fixing grooves of the lower flange body (2), the left end of the positioning pin (10) is matched and slides inside the working cavity of the connecting pipe (9), the left end of the spring (11) is matched and connected with the left wall of the working cavity of the connecting pipe (9), the right end of the spring (11) is matched and connected with the left end of the positioning pin (10), a plurality of groups of positioning holes are formed in the left end of the upper flange body (1), and the positioning pin (10) is matched and connected with the positioning holes of the upper flange body (1).

3. The split flange according to claim 1, further comprising a sealing ring (12), wherein the sealing ring (12) is installed inside an annular groove at the right end of the lower flange body (2).

4. The split flange according to claim 1, further comprising a lifting handle (13), wherein a bottom end of the lifting handle (13) is mounted on a top end of the mounting plate (5).

5. The split flange according to claim 1, further comprising a gasket (14), wherein the top end of the gasket (14) is mounted to the bottom end of the mounting plate (5).

6. The split flange according to claim 1, further comprising a mounting frame (15), wherein an internal thread is arranged inside a shaft hole of the mounting frame (7), the filter screen (8) is mounted in an inner cavity of the mounting frame (15), an external thread hole is formed in the outer wall of the mounting frame (15), and the mounting frame (15) is in fit and threaded connection with the mounting frame (7).

7. The split flange according to claim 1, further comprising a connecting rod (16), wherein the connecting rod (16) is symmetrically installed at the right end of the installation frame (15).

8. The split flange according to claim 1, further comprising a conical head at the connecting end of the positioning pin shaft (10) and the limiting hole of the lower flange body (2).