CN215635563U

CN215635563U - Flange connecting pipe

Info

Publication number: CN215635563U
Application number: CN202122093383.XU
Authority: CN
Inventors: 王辉; 李晨
Original assignee: Hefei Shangzhen Vacuum Technology Co ltd
Current assignee: Hefei Shangzhen Vacuum Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-25
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of flange connecting pipes and discloses a flange connecting pipe which comprises a first flange connecting pipe, wherein a sealing gasket is movably sleeved on the inner wall of the lower end of the first flange connecting pipe, and a second flange connecting pipe is movably sleeved on the outer wall of one end, far away from the first flange connecting pipe, of the sealing gasket. According to the utility model, through the matching of the first flange connecting pipe, the second flange connecting pipe, the limiting groove and the limiting block, the clamping connection of the limiting groove and the limiting block is utilized, the effect that the first flange connecting pipe and the second flange connecting pipe are firstly clamped and then connected by using the bolt is realized, the problem that the flange connecting pipes need to be butted for multiple times when being connected is effectively solved, the mode of butting for multiple times is replaced by the mode of clamping and then connecting, the workload of workers is reduced, the condition that the bolt penetrates through the first flange connecting pipe and the second flange connecting pipe due to the slippage of the flange connecting pipes during the butting is avoided, and the efficiency of connecting the first flange connecting pipe and the second flange connecting pipe is improved.

Description

Flange connecting pipe

Technical Field

The utility model relates to the technical field of flanged connection pipes, in particular to a flanged connection pipe.

Background

The adapter is a short pipe led out from the opening of the container, and is mainly used for installing instruments for measuring temperature, pressure, liquid level and the like and safety relief devices, or used as a material inlet/outlet, a manhole, a hand hole and the like, the adapter is externally connected by bolts (additionally welded flanges) or threads, the adapter which is short, thick and directly externally connected is also called as a flange, the central line of most of the adapter is consistent with the normal direction of the surface of the shell and is called as a normal adapter, the flange is also called as a flange disc or a flange and is a part for mutually connecting a shaft and used for connecting pipe ends, the flange on the inlet/outlet of the equipment is also used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and is a detachable connection which is formed by mutually connecting a flange, a gasket and a bolt as a group of combined sealing structures, and the flange is in threaded connection (screwed connection), Welding flanges and clamping flanges, wherein the flanges are used in pairs, the low-pressure pipeline can use a threaded flange, the welding flanges are used under the pressure of more than four kilograms, a sealing gasket is added between two flange plates, then fastening by bolts, wherein the thickness of the flanges with different pressures is different, the bolts used by the flanges are also different, and the bolts used by the flanges are different, when the equipment is connected with a pipeline, the local parts of the equipment are also made into corresponding flange shapes, which are also called flange connection, and all connecting parts which are connected by bolts at the peripheries of two planes and are closed at the same time are generally called flanges, for example, the connecting parts of a ventilating pipeline can be called flange parts, however, the connection is only a part of equipment, such as the connection between a flange and a water pump, the water pump is not easy to be called as a flange part, and the water pump is small, such as a valve and the like, and can be called as a flange part.

However, when the existing flange connecting pipes are installed, the installation holes of the two flange connecting pipes need to be aligned firstly, then bolts penetrate through the fixed flange connecting pipes to realize the effect of fixed connection, but the surfaces of the flange connecting pipes are smooth, and when the two flange connecting pipes are butted, slipping is easy to occur, so that the step of butting the flange connecting pipes is increased, and the working efficiency of workers is reduced; meanwhile, the flange connecting pipe connected by the bolts is influenced by the environment when being used for a long time, so that the bolts are rusted, and the service life of the bolts is shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the flanged joint pipe, which has the advantages of simplifying the connection steps of the flanged joint pipe, improving the connection efficiency of the flanged joint pipe, preventing the bolts from rusting and prolonging the service life of the bolts, and solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides a flanged joint pipe, includes a flanged joint pipe, the sealed pad has been cup jointed in the inner wall activity of a flanged joint pipe lower extreme, the sealed outer wall activity that keeps away from a flanged joint pipe one end of filling up has cup jointed No. two flanged joint pipes, the bolt has evenly been cup jointed to the inner wall of No. two flanged joint pipe up end, and the outer wall of bolt upper end cup joints with the inner wall activity of a flanged joint pipe lower terminal surface, the stopper is evenly installed to the lower terminal surface of a flanged joint pipe and the up end of sealed pad, the spacing groove has evenly been seted up to the lower terminal surface of a flanged joint pipe and the up end of sealed pad, and the seting up of spacing groove is crisscross distribution with the installation of stopper, the outside activity of bolt has cup jointed and is located the outside protection device of a flanged joint pipe.

Preferably, the inner wall of the protection device is uniformly provided with a groove, the inner wall of the groove is movably clamped with the outer wall of the bolt, and the inner wall of the protection device is movably sleeved with the outer walls of the first flange connecting pipe and the second flange connecting pipe.

Preferably, protection device includes the semicircle clamp that cup joints with the activity of terminal surface left side under the flange is taken over No. one, the right side of semicircle clamp is provided with No. two semicircle clamps that are located the sealing pad up end outside.

Preferably, the rear end fixed mounting of a semicircle clamp has the round bar, the support that is located No. two semicircle clamp rear ends has been cup jointed in the inner wall activity of round bar, the one end fixedly connected with fixed block of round bar is kept away from to a semicircle clamp, the upper and lower both sides fixed mounting of No. two semicircle clamp front ends has the backup pad, and the upper end of backup pad has seted up the card hole, the inside in backup pad card hole is provided with connecting device.

Preferably, the outside of the fixed block is movably sleeved with the inside of the supporting plate, and the upper end face and the lower end face of the fixed block are provided with fixing grooves corresponding in position.

Preferably, the connecting device comprises a spring fixedly connected with the inner wall of the fixing groove formed in the fixing block, the outer wall of one end, far away from the fixing block, of the spring is fixedly sleeved with a connecting block, and the outer wall of the connecting block is movably clamped with the inner wall of the clamping hole formed in the supporting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matching of the first flange connecting pipe, the second flange connecting pipe, the limiting groove and the limiting block, the clamping connection of the limiting groove and the limiting block is utilized, the effect that the first flange connecting pipe and the second flange connecting pipe are firstly clamped and then connected by using the bolt is realized, the problem that the flange connecting pipes need to be butted for multiple times when being connected is effectively solved, the mode of butting for multiple times is replaced by the mode of clamping and then connecting, the workload of workers is reduced, the condition that the bolt penetrates through the first flange connecting pipe and the second flange connecting pipe due to the slippage of the flange connecting pipes during the butting is avoided, and the efficiency of connecting the first flange connecting pipe and the second flange connecting pipe is improved.

2. According to the utility model, through the cooperation of the protection device, the bolt, the connecting device and the first flange connecting pipe, the first flange connecting pipe and the second flange connecting pipe are fixed by the protection cover device, the protection effect on the bolt is realized, the anti-rusting effect of the bolt is achieved, the problem that the bolt is rusted due to the influence of the environment during long-time use is effectively solved, the rust releasing measure of the installation of the protection device on the bolt is adopted, the condition that the first flange connecting pipe and the second flange connecting pipe are inconvenient to disassemble after the bolt is rusted is avoided, and meanwhile, the service life of the bolt is also prolonged.

Drawings

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

FIG. 2 is a front view of the bolt of the present invention;

FIG. 3 is a bottom view of a first flanged joint of the present invention;

FIG. 4 is a top view of the protective device of the present invention;

fig. 5 is a rear view of the fixing block of the present invention.

In the figure: 1. a first flange connecting pipe; 2. a gasket; 3. a second flange connecting pipe; 4. a bolt; 5. a limiting block; 6. a limiting groove; 7. a protection device; 71. a first semicircular hoop; 72. a second semicircular hoop; 8. a round bar; 9. a support; 10. a fixed block; 11. a support plate; 12. a connecting device; 121. a spring; 122. connecting blocks; 13. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a flanged joint pipe comprises a flanged joint pipe 1, a sealing gasket 2 is movably sleeved on the inner wall of the lower end of the flanged joint pipe 1, the installation of the sealing gasket 2 enhances the sealing performance of the flanged joint pipe 1 and the flanged joint pipe 3, a second flanged joint pipe 3 is movably sleeved on the outer wall of one end of the sealing gasket 2 away from the flanged joint pipe 1, bolts 4 are uniformly sleeved on the inner wall of the upper end surface of the second flanged joint pipe 3, the outer wall of the upper end of the bolts 4 is movably sleeved on the inner wall of the lower end surface of the flanged joint pipe 1, limiting blocks 5 are uniformly installed on the lower end surface of the flanged joint pipe 1 and the upper end surface of the sealing gasket 2, limiting grooves 6 are uniformly arranged on the lower end surface of the flanged joint pipe 1 and the upper end surface of the sealing gasket 2, the limiting grooves 6 are arranged in a staggered distribution with the installation of the limiting blocks 5, the limiting grooves 6 of the flanged joint pipe 1 are movably clamped with the limiting blocks 5 of the second flanged joint pipe 3, the effect of direct alignment of the first flange connecting pipe 1 and the second flange connecting pipe 3 is realized, the step of multiple butt joint before the first flange connecting pipe 1 and the second flange connecting pipe 3 are connected is saved, the working strength of workers is reduced, the working efficiency when the first flange connecting pipe 1 and the second flange connecting pipe 3 are connected is improved, the protecting device 7 positioned outside the first flange connecting pipe 1 is movably sleeved outside the bolt 4, the inner wall of the protecting device 7 is uniformly provided with the groove 13, the inner wall of the groove 13 is movably clamped with the outer wall of the bolt 4, the inner wall of the protecting device 7 is movably sleeved with the outer walls of the first flange connecting pipe 1 and the second flange connecting pipe 3, the installation of the protecting device 7 plays a role in protecting the bolt 4, the bolt 4 is prevented from being exposed outside and being rusted due to the influence of moist air, and the problem that the bolt 4 is inconvenient to replace and disassemble after being rusted is solved, the service life of the bolt 4 is prolonged, and the corrosion to the bolt 4 is reduced.

Referring to fig. 3 and 4, the protection device 7 includes a first semicircular clamp 71 movably sleeved on the left side of the lower end surface of the first flanged pipe 1, a second semicircular clamp 72 located outside the upper end surface of the sealing gasket 2 is disposed on the right side of the first semicircular clamp 71, the first semicircular clamp 71 and the second semicircular clamp 72 play a role in wrapping the connecting end of the first flanged pipe 1 and the second flanged pipe 3, so as to protect the connecting end and the bolt 4, a round bar 8 is fixedly mounted at the rear end of the first semicircular clamp 71, a bracket 9 located at the rear end of the second semicircular clamp 72 is movably sleeved on the inner wall of the round bar 8, the bracket 9 is mounted to support the movement of the round bar 8, a fixing block 10 is fixedly connected to one end of the first semicircular clamp 71 away from the round bar 8, support plates 11 are fixedly mounted on the upper and lower sides of the front end of the second semicircular clamp 72, and a clamping hole is formed in the upper end of the support plate 11, the inside in 11 card holes in backup pad is provided with connecting device 12, through the change to connecting device 12 positions, has realized the separation and the connection of fixed block 10 with backup pad 11 to reached the effect of the dismantlement and the installation of protection device 7, the flexibility when having improved protection device 7 and using has simplified the step of protection device 7 dismouting, the outside of fixed block 10 cup joints with the inside activity of backup pad 11, the fixed slot that the position is corresponding is seted up to the up end and the lower terminal surface of fixed block 10.

Referring to fig. 4 and 5, the connecting device 12 includes a spring 121 fixedly connected to an inner wall of a fixing groove formed in the fixing block 10, and the elasticity of the spring 121 is used to provide power for the movement of the connecting block 122, the outer wall of the spring 121 far from the fixing block 10 is fixedly sleeved with the connecting block 122, and the outer wall of the connecting block 122 is movably clamped to the inner wall of a clamping hole formed in the supporting plate 11, and the connecting mode of the movable clamping is such that when the connection relationship between the connecting block 122 and the supporting plate 11 is changed, the separation effect between the connecting device 12 and the supporting plate 11 can be achieved.

The working principle is as follows: when the sealing device is used, firstly, the sealing gasket 2 is placed in the first flange connecting pipe 1, the limiting block 5 of the first flange connecting pipe 1 is aligned with the limiting groove 6 of the second flange connecting pipe 3, the positions of the first flange connecting pipe 1 and the second flange connecting pipe 3 are fixed at the moment, then the bolt 4 penetrates through the first flange connecting pipe 1 and is communicated with the second flange connecting pipe 3, the bolt is fixed by using a nut, at the moment, the first flange connecting pipe 1 and the second flange connecting pipe 3 are fixedly connected, then the protecting device 7 is clamped on the outer wall of the joint of the first flange connecting pipe 1 and the second flange connecting pipe 3, the connecting block 122 is pressed, the spring 121 is compressed when the connecting block 122 moves towards the inside of the fixing block 10, at the moment, the fixing block 10 is pushed to the middle part of the supporting plate 11, the connecting block 122 is driven to pop out from the inside of the supporting plate 11 by utilizing the resilience of the spring 121, and the positions of the fixing block 10 and the supporting plate 11 can be fixed, reach the fixed of protection device 7 and No. 1 flanged connection pipe and No. two flanged connection pipe 3 positions, realized protection device 7 to bolt 4's guard action, appear rustting when avoiding 4 long-term uses of bolt, at last, when needs are dismantled protection device 7, compress a semicircle clamp 71 when pressing No. two semicircle clamps 72, take fixed block 10 from the inside of backup pad 11 and can simplify protection device 7's installation procedure.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the utility model, the filling pattern is only used for distinguishing the layers and is not limited at all.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flanged joint pipe, includes a flanged joint pipe (1), its characterized in that: a sealing gasket (2) is movably sleeved on the inner wall of the lower end of the first flange connecting pipe (1), the outer wall of one end of the sealing gasket (2) far away from the first flange connecting pipe (1) is movably sleeved with a second flange connecting pipe (3), the inner wall of the upper end surface of the second flanged joint pipe (3) is uniformly sleeved with bolts (4), the outer wall of the upper end of the bolt (4) is movably sleeved with the inner wall of the lower end surface of the first flange connecting pipe (1), the lower end surface of the first flanged joint pipe (1) and the upper end surface of the sealing gasket (2) are uniformly provided with limiting blocks (5), the lower end surface of the first flanged joint pipe (1) and the upper end surface of the sealing gasket (2) are uniformly provided with a limiting groove (6), the limit grooves (6) and the limit blocks (5) are arranged in a staggered distribution, and a protection device (7) positioned outside the first flange connecting pipe (1) is movably sleeved outside the bolt (4).

2. A flanged joint according to claim 1, wherein: the inner wall of protection device (7) is evenly seted up recess (13), and the inner wall of recess (13) and the outer wall activity joint of bolt (4), the inner wall of protection device (7) all cup joints with the outer wall activity of flange takeover (1) and No. two flange takeovers (3).

3. A flanged joint according to claim 1, wherein: protection device (7) include with No. one flange joint pipe (1) terminal surface left side activity No. one semicircle clamp (71) that cup joints, the right side of a semicircle clamp (71) is provided with No. two semicircle clamps (72) that are located sealed pad (2) up end outside.

4. A flanged joint according to claim 3, wherein: the utility model discloses a support of circle pole (8) is connected to the inner wall activity of a semicircle clamp (71), support (9) that are located No. two semicircle clamp (72) rear ends are cup jointed in the rear end fixed mounting of a semicircle clamp (71), the one end fixedly connected with fixed block (10) of circle pole (8) are kept away from in a semicircle clamp (71), the upper and lower both sides fixed mounting of No. two semicircle clamp (72) front end has backup pad (11), and the upper end of backup pad (11) has seted up the card hole, backup pad (11) block the inside in hole and be provided with connecting device (12).

5. A flanged pipe according to claim 4, wherein: the outside of fixed block (10) and the inside activity of backup pad (11) are cup jointed, the fixed slot that the position corresponds is seted up to the up end and the lower terminal surface of fixed block (10).

6. A flanged pipe according to claim 5, wherein: connecting device (12) include with inner wall fixed connection's of the fixed slot that fixed block (10) were seted up spring (121), connecting block (122) have been cup jointed to the outer wall that fixed block (10) one end was kept away from in spring (121) fixed, and the inner wall activity joint in the card hole that the outer wall of connecting block (122) and backup pad (11) were seted up.