CN213655983U

CN213655983U - Special flange holding device

Info

Publication number: CN213655983U
Application number: CN202121314679.3U
Authority: CN
Inventors: 车乐; 刘超; 王舒舒
Original assignee: Shandong Deleixin Intelligent Manufacturing Technology Co ltd
Current assignee: Shandong Deleixin Intelligent Manufacturing Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-07-09
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a device is embraced to special flange relates to and connects with flange technical field, include a plurality of fixed body and constitute a whole round steel wire portion with fixed body series connection, the fixed body sets up the circular arc piece into the cross-section U-shaped, and two lateral wall contained angles of this circular arc piece are the acute angle, and the bottom and the top of this fixed body all set up to the level, and the both sides outer wall of every fixed body all is equipped with the spacing hole post that supplies steel wire portion to pass, the connection can be dismantled through buckle mechanism to the tip of steel wire portion for solve the flange application scope of embracing among the prior art narrow, difficult change spare part's technical problem when wearing and tearing or warping.

Description

Special flange holding device

Technical Field

The utility model relates to a special flange cohesion device relates to and connects with flange technical field.

Background

At present, various parts such as a front exhaust pipe, an exhaust branch pipe, an exhaust temperature sensor, a rear exhaust pipe, an exhaust tail pipe and the like are used for assembling an automobile exhaust system, the parts are required to be selected and assembled due to irregular structures and different pipe diameters of the parts and then are sequentially connected according to an assembling sequence, a flange holding device in the prior art is, for example, a patent publication with the application number of CN201920715472.3 and the name of a flange holding an exhaust aftertreatment device, in the specific implementation mode, the section [ 0020 ] discloses that the holding flange comprises a holding inner ring and a holding outer ring, the holding outer ring is connected with the holding inner ring, the holding outer ring is used for driving the holding inner ring to contract, the structure improves the problem of poor tightness of a conventional flange, the welding quantity deformation is small, the requirement of later welding is met, but the pipe diameter suitable for the structure is limited by the size of the holding inner ring, the defect that the clamping inner ring is narrow in application range and is not easy to replace due to abrasion or deformation of the clamping inner ring and needs to be completely scrapped exists, in addition, although the detachable clamping inner ring exists in the prior art, for example, the application number is CN211649395U, and the name of the patent is a pipe fitting flange clamping device, the structure of the device is complex, and due to the limitation of the length of a connecting belt, the range of adjusting the size according to the difference of pipe diameters is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not enough of prior art existence, provide special flange and hold device tightly for it is narrow to solve the flange among the prior art and hold device application scope, is difficult for the technical problem of changing spare part when wearing and tearing or warping.

The utility model provides an above-mentioned technical problem's technical scheme as follows: device is embraced to special flange, include a plurality of fixed body and constitute a whole round steel wire portion with fixed body series connection, the fixed body sets up the circular arc piece into cross-section U-shaped, and two lateral wall contained angles of this circular arc piece are the acute angle, and the bottom and the top of this fixed body all set up to the level, and the both sides outer wall of every fixed body all is equipped with the spacing hole post that supplies steel wire portion to pass, the connection can be dismantled through buckle mechanism to the tip of steel wire portion.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, set up disconnected end on the body of steel wire portion, this disconnected end separates the steel wire part into first steel wire and second steel wire, sets up the connector between two adjacent fixed bodies, sets up the through hole that supplies first steel wire and second steel wire to pass simultaneously on this connector, the disconnected end of first steel wire and second steel wire passes the connector with relative direction protrusion behind the through hole of connector, screw thread installation top tight screw on the connector, this top tight screw passes the connector top tightly on first steel wire and second steel wire.

Furthermore, buckle mechanism is including installing first flange board and the second flange board at two adjacent fixed body tops respectively, and the piece is colluded in the installation on the first flange board, rotates the installation handle on the second flange board, still rotates two free ends of the couple pole of installing the U type through the pivot on this handle, collude the one side that the piece was kept away from the handle and set up the recess, the handle acts on and colludes the couple pole and collude the recess cooperation locking of the piece.

Furthermore, the limiting hole column is formed by punching and curling the bottom edge of the fixing body.

Furthermore, two free ends of the hooking rod are provided with external threads, and the two free ends of the hooking rod penetrate through the rotating shaft and then are locked through the locking nut.

Furthermore, the ends of the steel wire part are respectively looped, one end of the steel wire part is arranged at the root part of the first connecting flange plate, and the other end of the steel wire part is arranged on the second connecting flange plate.

The utility model has the advantages that: the plurality of detachably mounted fixing bodies are arranged, so that the fixing bodies with different diameters can be conveniently replaced and the diameters of the steel wire parts can be conveniently adjusted according to different pipe diameters, the application range is wider, the fixing bodies are detachably mounted, the maintenance and the replacement are convenient, the phenomenon that the whole holding flange needs to be eliminated due to the deformation or the abrasion of the fixing bodies is avoided, and the maintenance cost is further saved; by arranging the limiting hole column for the steel wire part to pass through, not only are welding points reduced, but also the fixing body can be detachably mounted, the rapid assembly is facilitated, and the assembly efficiency is improved; the fastening mechanism is arranged, so that the fastening flange can be quickly mounted and dismounted, the diameter of the steel wire part can be adjusted according to the pipe diameter adaptability, and time and labor are saved; through the U type structure that sets up the fixed body, radially compress tightly the flange of two pipe tip through the fixed body during installation, and then realize compressing tightly the axial of two flanges to increase the leakproofness between the pipe tip flange.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the top-down perspective structure of the present invention;

fig. 3 is a schematic bottom perspective view of the present invention;

FIG. 4 is a schematic structural view of the fixing body;

fig. 5 is another structural diagram of the fixing body.

In the figure, 1, a steel wire part, 2, a fixing body, 3, a connecting body, 4, a broken end, 5, a tightening screw, 6, a limiting hole column, 7, a first connecting flange plate, 8, a hooking block, 9, a hooking rod, 10, a rotating shaft, 11, a handle, 12, a second connecting flange plate, 13, a locking nut, 14, a top, 15, a bottom, 16, a first steel wire and 17, a second steel wire are arranged.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Referring to the attached drawings 1-3, the special flange enclasping device comprises a plurality of fixing bodies 2 and a steel wire part 1 which connects the fixing bodies 2 in series to form a whole circle, wherein the fixing bodies 2 are arc blocks with U-shaped sections, the included angle of the two side walls of the arc block is an acute angle, preferably 45 degrees, the two side walls of the fixed body 2 are arc-shaped, the bottom 15 and the top 14 of the fixed body 2 are both arranged horizontally, and the U-shaped structure of the fixed body 2 is arranged, so that the fixed body 2 radially compresses flanges at the end parts of two pipes during installation, thereby realizing the axial compression of the two flanges and further increasing the sealing performance between the flanges at the end parts of the pipes, the outer walls at the two sides of each fixed body 2 are provided with limiting hole columns 6 for the steel wire parts 1 to pass through, see the attached figures 4 and 5, the limiting hole column 6 is formed by punching and curling the bottom edge of the fixing body 2 or is formed by extrusion through a die.

Specifically, set up disconnected end 4 on the body of steel wire portion 1, this disconnected end 4 separates steel wire portion 1 for first steel wire 16 and second steel wire 17, sets up connector 3 between two adjacent fixed bodies 2, sets up the through-hole that supplies first steel wire 16 and second steel wire 17 to pass simultaneously on this connector 3, the disconnected end 4 of first steel wire 16 and second steel wire 17 passes connector 3 behind the through-hole of connector 3 with relative direction, threaded mounting top tight screw 5 on the connector 3, this top tight screw 5 passes connector 3 top tightly on first steel wire 16 and second steel wire 17.

Specifically, the ends of the steel wire part 1 are detachably connected through a fastening mechanism, the fastening mechanism comprises a first connecting flange plate 7 and a second connecting flange plate 12 which are respectively detachably mounted at the tops of two adjacent fixing bodies 2, a hooking block 8 is mounted on the first connecting flange plate 7, a handle 11 is rotatably mounted on the second connecting flange plate 12, the handle 11 is also rotatably provided with two free ends of a U-shaped hooking rod 9 through a rotating shaft 10, a groove is arranged on one side of the hooking block 8 far away from the handle 11, the handle 11 acts on the hooking rod 9 to be matched and locked with the groove of the hooking block 8, the ends of the steel wire part 1 are respectively looped, one end is arranged at the root part of the first connecting flange plate 7, the other end is arranged on the second connecting flange plate 12, two free ends of the hooking rod 9 are provided with external threads, and the two free ends of the hooking rod 9 are locked through a locking nut 13 after penetrating through the rotating shaft 10.

When the flange clasping device is used for locking flanges at the end parts of two pipes, the relative positions of the first steel wire 16 and the second steel wire 17 on the connector 3 are adjusted according to the size of the flange at the end part of the pipe, then the flanges are locked through the jacking screw 5, then the U-shaped structure of the fixing body 2 is clamped on the flanges at the end parts of the two pipes needing to be locked, the hooking rod 9 is hooked in the groove on the hooking block 8 by the handle 11 of the operation buckle mechanism, then the handle 11 is pressed downwards, and the clasping operation is completed.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Device is embraced to special flange, include a plurality of fixed body (2) and constitute a whole round steel wire portion (1) with fixed body (2) series connection, the connection can be dismantled through buckle mechanism to the tip of steel wire portion (1), its characterized in that: the fixed body (2) sets up to the circular arc piece of cross-section U-shaped, and two lateral wall contained angles of this circular arc piece are the acute angle, and bottom (15) and top (14) of this fixed body (2) all set up to the level, and the both sides outer wall of every fixed body (2) all is equipped with spacing hole post (6) that supply steel wire portion (1) to pass.

2. The special flange enclasping device according to claim 1, characterized in that: set up disconnected end (4) on the body of steel wire portion (1), should break end (4) and separate steel wire portion (1) for first steel wire (16) and second steel wire (17), set up connector (3) between two adjacent fixed bodies (2), set up the through hole that supplies first steel wire (16) and second steel wire (17) to pass simultaneously on this connector (3), the disconnected end (4) of first steel wire (16) and second steel wire (17) passes connector (3) protrusion connector (3) behind the through hole of connector (3) with the relative direction, screw thread installation top tight screw (5) on connector (3), this top tight screw (5) pass connector (3) top tightly on first steel wire (16) and second steel wire (17).

3. The special flange enclasping device according to claim 2, characterized in that: buckle mechanism is including installing first flange board (7) and second flange board (12) at two adjacent fixed body (2) tops respectively, and the installation is gone up in first flange board (7) and is colluded piece (8), rotates installation handle (11) on second flange board (12), still rotates two free ends of colluding hanger rod (9) of installation U type on this handle (11) through pivot (10), collude one side that handle (11) were kept away from in piece (8) and set up the recess, handle (11) act on collude hanger rod (9) and collude the recess cooperation locking of hanger block (8).

4. The special flange enclasping device according to claim 3, characterized in that: the limiting hole column (6) is formed by punching and curling the bottom edge of the fixing body (2).

5. The special flange enclasping device according to claim 4, characterized in that: two free ends of the hooking rod (9) are provided with external threads, and the two free ends of the hooking rod (9) penetrate through the rotating shaft (10) and then are locked through the locking nut (13).

6. The special flange enclasping device according to claim 5, characterized in that: the end parts of the steel wire parts (1) are respectively looped, one end of each steel wire part is installed at the root part of the first connecting flange plate (7), and the other end of each steel wire part is installed on the second connecting flange plate (12).