CN212929094U

CN212929094U - Flange plate

Info

Publication number: CN212929094U
Application number: CN202021931159.2U
Authority: CN
Inventors: 杨清平; 岳刚
Original assignee: Chengdu Kangsida Technology Co ltd
Current assignee: Chengdu Kangsida Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-09
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to a machine part field, concretely relates to ring flange, including flange plate body, the flange plate body middle part is provided with penetrating intercommunicating pore, and the intercommunicating pore sets up to circular, and the edge coaxial of intercommunicating pore has a neck section of thick bamboo mutually. The outside of intercommunicating pore is provided with the connecting plate, and the connecting plate sets up to the circular slab, is equipped with penetrating bolt hole on the connecting plate, and the bolt hole sets up to a plurality ofly. The neck cylinder protrudes out of the upper surface of the connecting plate, and the lower surface of the connecting plate is provided with a sealing sheet. The neck cylinder is arranged, so that the flange plate and the pipeline are connected conveniently, and the connection stability is improved by arranging the neck cylinder in the pipeline. The setting of a plurality of bolt holes can adopt the ring flange of two butt joints of a plurality of bolted connection, has promoted the stability of two ring flanges butt joints, sets up special gasket through the bottom at the ring flange, has further promoted the leakproofness of junction.

Description

Flange plate

Technical Field

The utility model relates to a machine part field, concretely relates to ring flange.

Background

A Flange (Flange), also known as a Flange collar or Flange. Flanges are parts for interconnecting pipes and are used for connecting pipe ends, and flanges are used for connecting equipment inlets and outlets, such as speed reducer flanges. 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 flange is divided into a threaded connection (screw thread 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. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection. In some flange connections commonly used in the past, a gasket is added between two flanges to improve the sealing performance, but the flange and the gasket are independent parts, and when the flange and the gasket are fastened, leakage caused by small gaps is inevitable. And the function of the flange plate which is commonly used at present is too single, and the flange plate is only used for connection.

For example, publication number CN206377097U discloses a flange, and belongs to the technical field of equipment installation. This ring flange includes: the body is provided with M bolt holes on the body, and each bolt hole in M bolt holes corresponds and is provided with at least one guiding gutter, at least one guiding gutter and bolt hole intercommunication, and the guiding gutter is arranged in deriving the liquid in the bolt hole to body external diameter direction along the bolt external diameter, and wherein, M is more than or equal to 2's integer. The utility model provides a ring flange has prolonged the life of bolt.

While compromising the flange is beneficial for extending the life of the bolts, it does not provide a material benefit in addressing the tightness of the flange joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ring flange, when solving two ring flanges butt joints, adopt outside packing ring sealed, have the problem of leakage risk.

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

the flange is characterized by comprising a flange body, wherein a through communication hole is formed in the middle of the flange body, the communication hole is circular, and the edges of the communication hole are coaxially connected with a neck cylinder. The outside of intercommunicating pore is provided with the connecting plate, and the connecting plate sets up to the circular slab, is equipped with penetrating bolt hole on the connecting plate, and the bolt hole sets up to a plurality ofly. The neck cylinder protrudes out of the upper surface of the connecting plate, and the lower surface of the connecting plate is provided with a sealing sheet. Set up the intercommunicating pore of unidimensional not, be convenient for connect the pipeline of different specifications, set up the gasket and further promoted the leakproofness of junction.

The further technical scheme is that the inner wall of the neck cylinder is provided with first threads, the flange plate further comprises a connecting device, and the connecting device is connected with the neck cylinder through the first threads.

The connecting device is characterized in that the connecting device is a first connecting piece, the first connecting piece is round, the first connecting piece comprises a first frame and a dense mesh net arranged in the first frame, second threads are arranged on the outer wall of the first frame, and the second threads are matched with the first threads to enable the first connecting piece to be connected with the neck cylinder threads.

According to a further technical scheme, the connecting device is a second connecting piece, the second connecting piece is circular, the second connecting piece comprises a second frame and a guide plate arranged in the second frame, the guide plate comprises four guide vanes connected in a cross shape, the four guide vanes are obliquely arranged along the same rotating direction, third threads are arranged on the outer wall of the second frame, and the third threads are matched with the first threads to enable the second connecting piece to be connected with the neck cylinder threads.

A further technical scheme is that, the lower surface of connecting plate is connected with the gasket, the connecting plate lower surface is provided with the spread groove, the relative both sides of spread groove are provided with the stopper, the stopper is including accomodating the chamber and setting up in stopper and the spring of accomodating the intracavity, the stopper sets up to "T" font that one side cross-section is less than the opposite side cross-section, it switches on with the spread groove through the stopper connecting hole to accomodate the chamber, the one end of spring links to each other with the inner wall of accomodating the chamber, the other end links to each other with the great one side of stopper cross. The upside of gasket is provided with connecting portion, and the relative both sides of connecting portion are provided with the fixed slot, and the tank bottom of fixed slot sets up to arc, and fixed slot and stopper cooperate so that gasket and connecting plate joint link to each other.

The other side of the sealing sheet is provided with annular ripples.

Compared with the prior art, the beneficial effects of the utility model are that: the neck cylinder is arranged, so that the flange plate and the pipeline are connected conveniently, and the connection stability is improved by arranging the neck cylinder in the pipeline. The setting of a plurality of bolt holes can adopt the ring flange of two butt joints of a plurality of bolted connection, has promoted the stability of two ring flanges butt joints, sets up special gasket through the bottom at the ring flange, has further promoted the leakproofness of junction.

Drawings

Fig. 1 is a schematic view of the flange plate body of the present invention.

Fig. 2 is a schematic view of the lower surface of the flange plate body of the present invention.

Fig. 3 is a schematic view of the flange body and the first connecting member of the present invention.

Fig. 4 is a schematic view of the flange body and the second connecting member of the present invention.

Fig. 5 is a schematic sectional view of the flange body of the present invention.

Fig. 6 is a schematic sectional view of the joint between the sealing piece and the connecting plate of the present invention.

Icon: the flange plate comprises a flange plate body 1, a communication hole 101, a connecting plate 102, a bolt hole 103, a connecting groove 104, a neck cylinder 2, a first thread 201, a first connecting piece 3, a first frame 301, a dense mesh net 302, a second thread 303, a second connecting piece 4, a second frame 401, a guide plate 402, a guide vane 403, a guide vane 404, a third thread 404, a sealing sheet 5, a connecting part 501, a corrugation 502, a fixing groove 503, a stopper 6, a containing cavity 601, a stopper 602, a spring 603, a stopper connecting hole 604 and a connecting device 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

fig. 1 to 5 show an embodiment of the present invention.

The flange plate shown in fig. 1 and 2 is characterized by comprising a flange plate body 1, wherein a through communication hole 101 is formed in the middle of the flange plate body 1, the communication hole 101 is circular, and the edge of the communication hole 101 is coaxially connected with a neck cylinder 2. The outer side of the communication hole 101 is provided with a connecting plate 102, the connecting plate 102 is a circular plate, the connecting plate 102 is provided with a plurality of through bolt holes 103, and the bolt holes 103 are arranged in plurality. The neck cylinder 2 protrudes out of the upper surface of the connecting plate 102, and the lower surface of the connecting plate 102 is provided with a sealing sheet 5. Set up the neck section of thick bamboo 2 and be convenient for the connection between ring flange and the pipeline, through arranging neck section of thick bamboo 2 in the pipeline, promoted the stability of connecting. When the flange plate with smaller size is connected with the pipeline, the outer wall of the neck cylinder can be provided with threads to be connected with the pipeline, and when the flange plate with larger size is connected with the pipeline, the flange plate can be connected with the pipeline through electric welding at the joint. The setting of a plurality of bolt holes 101 can adopt the ring flange of two butt joints of a plurality of bolted connection, has promoted the stability of two ring flanges butt joints, sets up special gasket 5 through the bottom at the ring flange, has further promoted the leakproofness of junction.

The inner wall of the neck cylinder 2 shown in fig. 3 and 4 is provided with a first thread 201, the flange plate further comprises a connecting device 10, and the connecting device 10 is connected with the neck cylinder 2 through the first thread 201. Through setting up first screw thread 201, promoted the stability of being connected between neck section of thick bamboo 2 and first connecting piece 3 and the second connecting piece 4, can not drop from the junction easily.

The connecting device 10 is a first connecting piece 3, the first connecting piece 3 is circular, the first connecting piece 3 comprises a first frame 301 and a dense mesh net 302 arranged in the first frame 301, the outer wall of the first frame 301 is provided with a second thread 303, and the second thread 303 is matched with the first thread 201 to enable the first connecting piece 3 to be in threaded connection with the neck cylinder 2. The first connecting piece 3 is of a structure with a dense mesh net 302 in the middle, and can be used for pipelines which need to filter liquid in the pipelines or inspection ports of the pipelines, so that impurities in the liquid are prevented from entering subsequent equipment and damaging the equipment.

The connecting device 10 is a second connecting piece 4, the second connecting piece 4 is set to be circular, the second connecting piece 4 comprises a second frame 401 and a guide plate 402 arranged in the second frame 401, the guide plate 402 comprises four guide vanes 403 connected in a cross shape, the four guide vanes 403 are obliquely arranged along the same rotating direction, the outer wall of the second frame 401 is provided with a third thread 404, and the third thread 404 is matched with the first thread 201 to enable the second connecting piece 4 to be in threaded connection with the neck cylinder 2. The second connecting member 4 is provided with a baffle 402 in the middle, and four guide vanes 403 which are obliquely arranged in the same direction provide a rotating effect on the liquid in the pipeline, and can be arranged at the front end of some equipment which needs the liquid to have a certain rotating force before the liquid enters the equipment, for example, the liquid has a certain rotating speed before entering some turbines, which is beneficial to increasing the power of the turbines.

Fig. 5, the lower surface of the connecting plate 102 shown in fig. 6 is connected with sealing piece 5, the lower surface of connecting plate 102 is provided with connecting groove 104, the relative both sides of connecting groove 104 are provided with stopper 6, stopper 6 is including accomodating chamber 601 and setting up stopper 602 and the spring 603 in accomodating chamber 601, stopper 602 sets up to "T" font that one side cross-section is less than the opposite side cross-section, it switches on with connecting groove 104 through stopper connecting hole 604 to accomodate chamber 601, the one end of spring 603 links to each other with the inner wall of accomodating chamber 601, the other end links to each other with the great one side of stopper 602 cross-section, the opposite side of stopper 602 pierces into. The upper side of the sealing plate 5 is provided with a connecting portion 501, two opposite sides of the connecting portion 501 are provided with fixing grooves 503, the groove bottom of the fixing groove 503 is arc-shaped, and the fixing groove 503 is matched with the limiting block 602 so that the sealing plate 5 is connected with the connecting plate 102 in a clamping mode. By arranging the special sealing sheet 5 on the lower surface of the connecting plate 102, the sealing performance is improved when the two flange plates are butted. The provision of the connecting portion 501 and the connecting groove 104 improves the stability of the connection between the sealing piece 5 and the connecting plate 102. The sealing piece 5 is connected with the connecting plate 102 through the clamping connection mode, so that the worn sealing piece 5 is convenient to replace.

The other side of the sealing disc 5 is provided with a corrugation 502 in the form of a ring. The provision of corrugations 502 facilitates improved sealing by squeezing corrugations 502 when the flanges are butted together.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The flange is characterized by comprising a flange body (1), wherein a through communication hole (101) is formed in the middle of the flange body (1), the communication hole (101) is circular, and the edge of the communication hole (101) is coaxially connected with a neck cylinder (2);

a connecting plate (102) is arranged on the outer side of the communication hole (101), the connecting plate (102) is a circular plate, a through bolt hole (103) is formed in the connecting plate (102), and a plurality of bolt holes (103) are formed;

the neck cylinder (2) protrudes out of the upper surface of the connecting plate (102), and the lower surface of the connecting plate (102) is provided with a sealing sheet (5).

2. The flange plate of claim 1, wherein: the inner wall of a neck section of thick bamboo (2) is provided with first screw thread (201), the ring flange still includes connecting device (10), connecting device (10) are a section of thick bamboo even with a neck section of thick bamboo (2) through first screw thread (201).

3. The flange plate of claim 2, wherein: connecting device (10) is first connecting piece (3), first connecting piece (3) set up to circular, first connecting piece (3) include first frame (301) and set up dense mesh net (302) in first frame (301), the outer wall of first frame (301) is provided with second screw thread (303), second screw thread (303) cooperate so that first connecting piece (3) and neck section of thick bamboo (2) threaded connection with first screw thread (201).

4. The flange plate of claim 2, wherein: connecting device (10) is second connecting piece (4), second connecting piece (4) set up to circular, second connecting piece (4) include second frame (401) and set up guide plate (402) in second frame (401), guide plate (402) include four guide vane (403) that link to each other according to "ten" font, four guide vane (403) set up along same direction of rotation slope, the outer wall of second frame (401) is provided with third screw thread (404), third screw thread (404) cooperate so that second connecting piece (4) and neck section of thick bamboo (2) screw thread link to each other with first screw thread (201).

5. The flange plate of claim 1, wherein: the lower surface of the connecting plate (102) is connected with a sealing sheet (5), the lower surface of the connecting plate (102) is provided with a connecting groove (104), two opposite sides of the connecting groove (104) are provided with a limiting stopper (6), the limiting stopper (6) comprises a containing cavity (601), a limiting stopper (602) and a spring (603) which are arranged in the containing cavity (601), the limiting stopper (602) is arranged in a T shape, the cross section of one side of the limiting stopper (602) is smaller than that of the other side of the limiting stopper (602), the containing cavity (601) is communicated with the connecting groove (104) through a limiting stopper connecting hole (604), one end of the spring (603) is connected with the inner wall of the containing cavity (601), the other end of the spring is connected with the side with the larger cross section of the limiting stopper (602), and the other side of the;

the upside of gasket (5) is provided with connecting portion (501), the relative both sides of connecting portion (501) are provided with fixed slot (503), the tank bottom of fixed slot (503) sets up to arc, fixed slot (503) and stopper (602) cooperate so that gasket (5) and connecting plate (102) joint link to each other.

6. The flange plate of claim 5, wherein: and the other side of the sealing sheet (5) is provided with an annular ripple (502).