Flange plate assembly

Abstract

The flange plate assembly comprises a first flange plate, a second flange plate, four fastening nuts, two double-end bolt columns, two U-shaped limiting blocks and two flat-end columns, the first flange plate is in contact connection with the second flange plate, two bolt connecting holes and two round through holes are formed in the plate face of the first flange plate, and the two round through holes are formed in the plate face of the second flange plate. Two bolt connecting holes and two round through holes are formed in the first flange plate, two bolt hole positions and two penetrating hole positions are formed in the plate face of the second flange plate, and the two bolt hole positions and the two penetrating hole positions correspond to the two bolt connecting holes and the two round through holes. Meanwhile, the probability that the bolt slips is reduced, and rusting is avoided; and meanwhile, the first flange plate and the second flange plate have a good sealing effect in the contact connection process, and the leakage phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flange plate technical field relates to a flange plate assembly. BACKGROUND

[0002] Flange plate is called flange, it is a general term, usually refers to the peripheral of a similar disc metal body is opened on several fixed holes for connecting other things, a kind of more common connector, the existing flange plate assembly when connecting, in order to prevent the radial jump between flange plates, increase the connecting stability between flange plates, need to install multiple bolts on flange plate equidistantly and be fixedly connected, patent application number CN202320078626.9 discloses a kind of flange plate assembly, the technical scheme is limited to first flange plate and second flange plate by the cooperation of U-shaped plate and accommodating groove, bolt quantity can be reduced, and dismounting difficulty is reduced, and dismounting is more convenient.

[0003] The above-mentioned technical scheme still uses three bolts, and three U-shaped plates are connected with the bolts, which increases the probability of bolt thread slipping and causes the bolts to rust and be difficult to tighten. Therefore, a flange plate assembly is designed. SUMMARY

[0004] The utility model discloses a kind of flange plate assemblies, to solve the problems raised in the above background.

[0005] The utility model discloses a kind of flange plate assemblies, to solve the problems raised in the above background.

[0006] In the flange assembly, the second flange is provided with an annular sealing groove on the flange surface, and the annular sealing groove is internally provided with a sealing double ring; the first flange is provided with a rubber sealing ring on the flange surface, and the outer and inner rings of the rubber sealing ring are provided with flange portions corresponding to the sealing double ring. The rubber sealing ring and the flange portions corresponding to the sealing double ring can improve the assembly precision of the first flange and the second flange, and ensure good sealing effect during the contact connection of the first flange and the second flange, thereby avoiding leakage.

[0007] In the flange assembly, the U-shaped cavity of the U-shaped limiting block has a spacing equal to the sum of the thicknesses of the first flange and the second flange, and the contact surfaces of each U-shaped limiting block and the first flange and the second flange are provided with an abrasive layer. The U-shaped limiting block is just clamped between the first flange and the second flange, the overall structure is beautiful, the U-shaped limiting block has a large contact friction force with the first flange and the second flange, and the installation firmness is improved.

[0008] In the flange assembly, the length of the stud column is equal to the sum of the thicknesses of the two nuts and the thicknesses of the first flange and the second flange. After the first flange and the second flange are assembled, the two heads of the stud column are prevented from protruding from the nuts, the wear of the heads of the stud column is reduced, and the nuts can be firmly connected during installation.

[0009] In the flange assembly, the middle part of the first flange and the middle part of the second flange are provided with integrally formed pipe connectors. The first flange and the second flange are easily welded to the pipe, and the first flange and the second flange are easily assembled into the pipe.

[0010] Compared with the prior art, the flange assembly has the following advantages: two stud columns are arranged to connect two bolt hole positions and two bolt connection holes, and four nuts are arranged to achieve firm connection; two U-shaped limiting blocks are arranged to have a counterbore position and a through hole at the two side blocks, respectively; one end of each flat head column passes through the counterbore position, the through hole position and the circular through hole in sequence and is located in the through hole and protrudes from the through hole; the sliding limiting groove of the two U-shaped limiting blocks is connected to the latch insertion strip; the flat head column is provided with a latch opening at the flat surface; and one end of the latch insertion strip is connected to the flat head column through the corresponding latch opening. The flange assembly has the following advantages: the connection stability of the first flange and the second flange is improved, the number of bolts is further reduced, the probability of bolt thread slipping is reduced, and rust is avoided.

[0011] The annular sealing groove is internally provided with a sealing double ring; the rubber sealing ring at the passage of the first flange plate is provided on the disc surface of the first flange plate, and the outer ring and the inner ring of the rubber sealing ring are both provided with a flange part corresponding to the sealing double ring, so that not only the assembly precision of the first flange plate and the second flange plate can be improved, but also the first flange plate and the second flange plate have good sealing effect during the contact connection process, and the leakage phenomenon is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a three-dimensional structural schematic diagram of a flange plate assembly of the utility model.

[0013] Figure 2 is a three-dimensional structural schematic diagram of a first flange plate of a flange plate assembly of the utility model.

[0014] Figure 3 is a structural schematic diagram of a U-shaped limiting block of a flange plate assembly of the utility model Figure 1 .

[0015] Figure 4 is a structural schematic diagram of a U-shaped limiting block of a flange plate assembly of the utility model Figure 2 .

[0016] In the figure, 1, first flange plate; 2, second flange plate; 3, bolt hole; 4, perforated position; 5, sealing double ring; 6, annular sealing groove; 7, fastening nut; 8, double-headed bolt column; 9, U-shaped limiting block; 10, pipeline connecting head; 11, rubber sealing ring; 12, bolt connecting hole; 13, round through hole; 14, flange part; 15, flat head column; 16, door latch insertion strip; 17, sliding limiting groove; 18, counterbore position; 19, flat surface part; 20, through hole. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] As Figure 1 , Figure 2 and, Figure 3 and Figure 4 indicated, a flange plate assembly of the utility model;

[0019] The flange plate includes but is not limited to the following structures: a first flange plate 1, a second flange plate 2, four fastening nuts 7, two double-headed bolt columns 8, two U-shaped limiting blocks 9 and two flat head columns 15, the first flange plate 1 and the second flange plate 2 are connected in contact, the middle part of one side of the first flange plate 1 and the middle part of one side of the second flange plate 2 are each provided with an integrally formed pipeline connector 10, the disc surface of the first flange plate 1 is provided with two bolt connecting holes 12 and two circular through holes 13, the disc surface of the second flange plate 2 is provided with two bolt hole positions 3 and two perforation positions 4, the two bolt hole positions 3 and the two perforation positions 4 correspond to the two bolt connecting holes 12 and the two circular through holes 13.

[0020] Embodiment one: the two double-headed bolt columns 8 connect the two bolt hole positions 3 and the two bolt connecting holes 12 and are fastened and connected through the four fastening nuts 7, the two side blocks of the two U-shaped limiting blocks 9 are each provided with a counterbore position 18 and a through hole 20, one end of each flat head column 15 passes through the counterbore position 18, the perforation position 4 and the circular through hole 13 in sequence and is located at and protrudes from the through hole 20, the side block sidewalls of the two U-shaped limiting blocks 9 are each provided with a sliding limiting groove 17, the sliding limiting groove 17 is slidably connected with a door latch insertion strip 16, the side walls of the two flat head columns 15 are each provided with a flat surface 19, each flat surface 19 is provided with a latch opening on the flat head column 15, and one end of each door latch insertion strip 16 is connected with the flat head column 15 through the corresponding latch opening.

[0021] The design of the above scheme uses the two double-headed bolt columns 8 and the two flat head columns 15 to limit the first flange plate 1 and the second flange plate 2, one end of the door latch insertion strip 16 is connected with the flat head column 15 through the corresponding latch opening, the flat head column 15 passes through the counterbore position 18, the firmness of the installation of the flat head column 15 is increased, the stable assembly of the first flange plate 1 and the second flange plate 2 is ensured, the number of bolts used is reduced, and the selection of the double-headed bolt column 8 also reduces the possibility of thread stripping.

[0022] In the size setting of the U-shaped limiting block 9, in order to ensure good assembly accuracy and compactness of the overall structure, the distance between the U-shaped cavities of the U-shaped limiting block 9 is equal to the sum of the thicknesses of the first flange plate 1 and the second flange plate 2, and the contact surfaces of each U-shaped limiting block 9 and the first flange plate 1 and the second flange plate 2 are each provided with an abrasive layer.

[0023] Further, in order to ensure the aesthetic appearance, the length of the double-headed bolt column 8 is equal to the sum of the thicknesses of the two fastening nuts 7, the first flange plate 1 and the second flange plate 2.

[0024] In the second flange plate 2, the channel is provided with an annular sealing groove 6 on the surface of the second flange plate 2, and the annular sealing groove 6 is internally provided with a sealing double ring 5; in the first flange plate 1, the channel is provided with a rubber sealing ring 11 on the surface of the first flange plate 1, and the outer ring and the inner ring of the rubber sealing ring 11 are both provided with a flange part 14 corresponding to the sealing double ring 5.

[0025] The scheme can not only improve the assembly accuracy of the first flange plate 1 and the second flange plate 2, but also make the first flange plate 1 and the second flange plate 2 have good sealing effect during the contact connection process, thereby avoiding the leakage phenomenon.

[0026] In use, the first flange plate 1 and the second flange plate 2 are respectively welded to the two ends of the pipeline through the pipeline connecting head 10, the rubber sealing ring 11 on the surface of the first flange plate 1 is sealed corresponding to the sealing double ring 5, so that the rubber sealing ring 11 is connected to the annular sealing groove 6, the sealing of the flange connection is ensured, the two double-headed bolt columns 8 are connected to the two bolt hole positions 3 and the two bolt connecting holes 12, and the fastening connection is realized through the four fastening nuts 7, the two U-shaped limiting blocks 9 are correspondingly installed at the two circular through holes 13 and the two perforated positions 4, one end of each flat head column 15 is sequentially inserted through the counterbore position 18, the perforated position 4 and the circular through hole 13 and located at the through hole 20 and protruding from the through hole 20, the door latch insertion strip 16 is connected to the latch opening of the flat surface part 19, so that the door latch insertion strip 16 is connected to the flat head column 15 and is limited, and the firmness of the whole is ensured.

[0027] In the scheme, the end of the flat head column 15 is provided with a baffle corresponding to the counterbore position 18.

[0028] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A flange assembly comprising a first flange (1), a second flange (2), four fastening nuts (7), two double-ended bolt posts (8), two U-shaped limiting blocks (9), and two flat-head posts (15), wherein the first flange (1) and the second flange (2) are in contact with each other, the first flange (1) has two bolt holes (12) and two circular through holes (13) on its surface, and the second flange (2) has two bolt holes (3) and two through holes (4) on its surface, the two bolt holes (3) and the two through holes (4) corresponding to the two bolt holes (12) and the two circular through holes (13), characterized in that, Two double-headed bolt posts (8) are connected to two bolt holes (3) and two bolt connection holes (12) and are fastened together by four fastening nuts (7). The two side blocks of the two U-shaped limiting blocks (9) are respectively provided with countersunk holes (18) and through holes (20). One end of each flat-headed post (15) passes through the countersunk hole (18), through hole (4) and round through hole (13) in sequence and is located at the through hole (20) and protrudes from the through hole (20). The side walls of the two U-shaped limiting blocks (9) are provided with sliding limiting grooves (17). The sliding limiting grooves (17) are slidably connected with latch strips (16). The side walls of the two flat-headed posts (15) are provided with flat parts (19). Each flat part (19) is provided with a latch opening on the flat-headed post (15). One end of the two latch strips (16) is connected to the flat-headed post (15) through the corresponding latch opening.

2. The flange assembly according to claim 1, characterized in that, An annular sealing groove (6) is provided at the channel of the second flange (2) on the surface of the second flange (2), and a sealing double ring (5) is provided inside the annular sealing groove (6).

3. A flange assembly according to claim 2, characterized in that, A rubber sealing ring (11) is provided at the channel of the first flange (1) on the disc surface of the first flange (1). The outer and inner rings of the rubber sealing ring (11) are provided with flange portions (14) corresponding to the sealing double rings (5).

4. A flange assembly according to claim 1, characterized in that, The spacing of the U-shaped cavities of the U-shaped limiting block (9) is equal to the sum of the thickness of the first flange (1) and the thickness of the second flange (2), and each U-shaped limiting block (9) has a frosted layer on its contact surface with the first flange (1) and the second flange (2).

5. A flange assembly according to claim 1, characterized in that, The length of the double-headed bolt post (8) is equal to the sum of the thicknesses of the two fastening nuts (7), the thickness of the first flange (1), and the thickness of the second flange (2).

6. A flange assembly according to claim 1, characterized in that, One-piece pipe connectors (10) are installed in the middle of one side of the first flange (1) and the middle of one side of the second flange (2).

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