CN211779172U

CN211779172U - Clamp type quick-opening blind plate pipe cleaning valve

Info

Publication number: CN211779172U
Application number: CN202020284236.3U
Authority: CN
Inventors: 纪传兵; 陈光辉; 胡海燕
Original assignee: Yongjia Kaiyi Valve Manufacturing Co ltd
Current assignee: Yongjia Kaiyi Valve Manufacturing Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-27
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a clamp-on quick-opening blind plate pipe cleaning valve, which comprises a valve body, a hand wheel, a transmission case, a valve rod, a ball core, a pressure relief valve and an opening and closing mechanism, wherein an inner cavity is arranged in the valve body, and the valve body is provided with a first valve port and a second valve port which are communicated with the inner cavity; the opening and closing mechanism comprises a butt joint ring arranged on the second valve port, a blind plate hinged to the side part of the butt joint ring, a driving assembly fixed on the butt joint ring and an annular hoop fixed on the side part of the butt joint ring and linked with the driving assembly; an annular groove is formed in the inner side of the annular clamp, and the section of the annular groove is an isosceles trapezoid with a wide outer part and a narrow inner part; the outer end of the butt joint ring is provided with a sealing ring extending towards the periphery, when the blind plate is abutted against the outer end of the sealing ring, the driving assembly drives the annular clamp to shrink so that the peripheries of the blind plate and the sealing ring are embedded in the annular groove, and the annular clamp shrinks and applies extrusion force moving in the opposite direction to the blind plate and the sealing ring so that the blind plate and the sealing ring are in extrusion fit. The utility model discloses not only conveniently open and close the blind plate, have the function of secondary pressure release moreover.

Description

Clamp type quick-opening blind plate pipe cleaning valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a clamp formula quick-open blind plate pipe cleaning valve.

Background

The pipe cleaning valve is a new type of device mainly used for pipe cleaning operation in petroleum, natural gas, chemicals and other liquid conveying pipelines. The pipe cleaner is used for launching and receiving pipe cleaners, is used for mechanically cleaning the inner walls of pipelines (removing dirt, rust, foreign matters in the pipelines and the like) and separating different products, and is widely applied to oil and gas fields, chemical engineering, wharfs, oil and gas storage and transportation depots and offshore platforms. However, the traditional pipe cleaning valve is difficult to open and close the blind plate, the safety performance of the traditional pipe cleaning valve is not strong, and if an operator opens the blind plate under the condition that the pressure of the pipe cleaning valve is not released, safety accidents are easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamp formula is clear pipe valve of blind plate that opens soon, the utility model discloses not only conveniently open and close the blind plate, have the function of secondary pressure release moreover, open the life safety that the blind plate can guarantee operating personnel under the condition that does not have the pressure release.

In order to achieve the above object, the utility model provides a following technical scheme: the clamp type quick-opening blind plate pipe cleaning valve comprises a valve body, a hand wheel, a transmission case, a valve rod, a ball core, a pressure release valve and an opening and closing mechanism, wherein an inner cavity is arranged in the valve body, a first valve port and a second valve port which are communicated with the inner cavity are arranged on the valve body, the transmission case is arranged on the first valve port, the ball core is arranged in the inner cavity, the input end of the transmission case is connected with the hand wheel, the output end of the transmission case is connected with the ball core through the valve rod, the opening and closing mechanism is arranged on the second valve port, and the pressure release valve is; the opening and closing mechanism comprises a butt joint ring arranged on the second valve port, a blind plate hinged to the side part of the butt joint ring, a driving assembly fixed on the butt joint ring and an annular hoop fixed on the side part of the butt joint ring and linked with the driving assembly; an annular groove is formed in the inner side of the annular hoop, and the section of the annular groove is an isosceles trapezoid with a wide outer part and a narrow inner part; the outer end of the butt joint ring is provided with a sealing ring extending towards the periphery, the blind plate is provided with a clamping ring, when the clamping ring is inconsistent with the outer end of the sealing ring, the driving assembly drives the annular clamping hoop to shrink so that the peripheries of the clamping ring and the sealing ring are embedded in the annular groove, and the annular clamping hoop shrinks and applies extrusion force of opposite motion to the clamping ring and the sealing ring to enable the clamping ring and the sealing ring to be in extrusion fit.

Preferably, the annular clamp includes the same first arc clamp of diameter, second arc clamp and third arc clamp, and the one end and the first arc clamp of second arc clamp are articulated mutually, and the other end and the third arc clamp of second arc clamp are articulated mutually, drive assembly is connected with first arc clamp and third arc clamp.

Preferably, the lateral part of butt joint ring is equipped with the fixed block, the second arc clamp passes through the screw fixation on the fixed block.

Preferably, all be equipped with the location nail on first arc clamp and the third arc clamp, the outer terminal surface of blind plate installs the safety plate through locking screw, offers the locating hole with location nail looks adaptation on the safety plate.

Preferably, the driving assembly comprises an installation frame, a rotating wheel, a rotating shaft, a first sliding block and a second sliding block, the installation frame is fixed on the side portion of the butt joint ring, the rotating shaft is rotatably installed on the installation frame, the tail end of the rotating shaft is connected with the rotating wheel, the rotating shaft is provided with a forward thread portion and a reverse thread portion, the first sliding block is in threaded connection with the forward thread portion, and the second sliding block is in threaded connection with the reverse thread portion; be equipped with the first connecting seat that is used for connecting first slider on the first arc clamp, be equipped with the second connecting seat that is used for connecting the second slider on the third arc clamp.

Preferably, the both ends of first slider are equipped with first pillar, are equipped with the first slotted hole with first pillar looks adaptation on the first connecting seat, the both ends of second slider are equipped with the second pillar, are equipped with the second slotted hole with second pillar looks adaptation on the second connecting seat.

Preferably, a sealing ring is arranged on the end face of the sealing ring.

Preferably, the outer end face of the blind plate is provided with a handle.

Preferably, the docking ring is connected to the second valve port by way of a flange connection.

Preferably, a pressure gauge is installed on the valve body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses second valve port on the valve body is used for packing into or taking out the dredging pipe ware, and the operating mechanism on the second valve port is including installing the butt joint ring on the second valve port, articulating in the blind plate of butt joint ring lateral part, be fixed in drive assembly on the butt joint ring and fix the annular clamp that produces the linkage at butt joint ring lateral part and with drive assembly, has the annular groove in the annular clamp, and the cross-section of annular groove is outer wide interior narrow isosceles trapezoid. When covering the blind plate, snap ring on the blind plate is inconsistent with the sealing ring outer end promptly, drive assembly drive annular clamp shrink makes the periphery of snap ring and sealing ring inlay and establish in the ring channel, and along with the shrink of annular clamp, because the cross-section of ring channel is outer wide in narrow isosceles trapezoid, snap ring and sealing ring are under the restriction of ring channel, the annular clamp applys the extrusion force of opposite movement to snap ring and sealing ring and makes snap ring and sealing ring extrusion fit, thereby accomplish closing movement of starting and closing mechanism, and starting and closing mechanism only need reverse operation drive assembly, again pull out the blind plate can, it is very convenient to operate, and the leakproofness is strong. When operating personnel opened the operation of blind plate under the condition of not releasing pressure, drive assembly drive annular clamp slowly loosened snap ring and sealing ring, and the high-pressure fluid in the valve body inner chamber can flow through the clearance between snap ring and the sealing ring, and the periphery of snap ring and sealing ring still is in the ring channel of annular clamp this moment for the blind plate can not be released by high-pressure fluid, thereby has avoided the blind plate to rush out at a high speed and has strikeed operating personnel or high-pressure fluid impact operating personnel and produce the incident. Therefore, the utility model discloses not only conveniently open the blind plate, have the function of secondary pressure release moreover, open the blind plate and can guarantee operating personnel's life safety under the condition that does not have the pressure release.

2. The utility model discloses an annular clamp is by first arc clamp, second arc clamp and the articulated syllogic structure that forms in proper order of third arc clamp, can pull out or imbed the blind plate when first arc clamp and third arc clamp remove dorsad to make things convenient for the quick laminating butt joint ring of blind plate, improved work efficiency greatly.

3. The utility model discloses a second arc clamp passes through the screw fixation on being located the fixed block of butt joint ring lateral part, and this kind of fixed mode simple structure, the dismouting is very convenient.

4. The utility model discloses can dismantle the installation safety plate on the blind plate, two locating holes on the safety plate agree with respectively with the locating hole on the first arc clamp and the locating hole on the third arc clamp, realize the secondary locking of annular clamp, avoid the reverse effort of butt joint ring and blind plate to overcome the required power acting of drive assembly motion and push open annular clamp.

5. The utility model discloses a drive assembly drives the pivot through rotating the runner and rotates, has positive screw thread and derotation screw thread in the pivot, first slider and second slider respectively with positive screw thread and derotation screw thread fit to first slider and first arc clamp connection, second fixture block and third arc clamp connection, consequently the pivot is rotated, can drive first slider and second slider and do the opposite motion or motion dorsad, and then make annular clamp expansion or shrink.

6. The utility model discloses a first slotted hole that has on the first connecting seat with first pillar looks adaptation on the first slider, have on the second connecting seat with the second slotted hole of second pillar looks adaptation on the second slider, make first pillar can be at the downthehole rectilinear slip of first slotted, the second pillar can be at the downthehole rectilinear slip of second slotted, thereby can prevent first slider and first connecting seat, the second slider dies with the second connecting seat card, guarantee to produce the linkage smoothly between operating mechanism and the annular clamp.

7. The utility model discloses set up the sealing washer on the terminal surface of sealing ring, when sealing ring and blind plate extrusion fit, the sealing washer can show the leakproofness that improves between the two.

8. The utility model discloses set up the handle at the outer terminal surface of blind plate, the operation is rotated to the blind plate to the convenience.

9. The utility model discloses a mode that the butt joint ring passes through flange joint links to each other with the second valve opening, and not only the installation is firm, stability is good, and the dismouting is very convenient moreover.

10. The pressure gauge is arranged on the valve body, so that the working pressure in the valve body can be conveniently observed when the pipe cleaning valve works or releases pressure.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of the ring-shaped groove of the present invention;

fig. 5 is a schematic structural view of the opening and closing mechanism of the present invention.

In the figure: 1. a valve body; 2. a hand wheel; 3. a transmission case; 4. a pressure relief valve; 5. an inner cavity; 6. a first valve port; 7. a second valve port; 8. a docking ring; 9. a blind plate; 10. a drive assembly; 11. an annular hoop; 12. a handle; 13. a pressure gauge; 14. a valve stem; 15. a ball core; 16. an annular groove; 17. a seal ring; 18. a snap ring; 19. a seal ring; 20. a first arc-shaped hoop; 21. a second arc-shaped hoop; 22. a third arc-shaped hoop; 23. positioning nails; 24. positioning holes; 25. locking the screw; 26. a security pane; 27. a rotating wheel; 28. a rotating shaft; 29. a first slider; 30. a second slider; 31. a positive thread portion; 32. a reverse-rotation threaded portion; 33. a first connecting seat; 34. a first oblong-shaped hole; 35. a first support; 36. a second connecting seat; 37. a second oblong-shaped hole; 38. a second support; 39. a fixed block; 40. and (7) mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): the hoop type quick-opening blind plate pipe cleaning valve shown in the attached figures 1-5 comprises a valve body 1, a hand wheel 2, a transmission case 3, a valve rod 14, a ball core 15, a pressure release valve 4 and an opening and closing mechanism, wherein an inner cavity 5 is arranged in the valve body 1, a first valve port 6 and a second valve port 7 which are communicated with the inner cavity 5 are arranged on the valve body 1, the transmission case 3 (a worm and gear transmission case) is arranged on the first valve port 6, the ball core 15 is arranged in the inner cavity 5, the input end of the transmission case 3 is connected with the hand wheel 2, the output end of the transmission case 3 is connected with the ball core 15 through the valve rod 14, the opening and closing mechanism is arranged on the second valve port 7, and the pressure release valve 4; the opening and closing mechanism comprises a butt joint ring 8 arranged on the second valve port 7, a blind plate 9 hinged to the side part of the butt joint ring 8, a driving assembly 10 fixed on the butt joint ring 8 and an annular hoop 11 fixed on the side part of the butt joint ring 8 and linked with the driving assembly 10; an annular groove 16 is formed in the inner side of the annular clamp 11, and the section of the annular groove 16 is an isosceles trapezoid with a wide outer part and a narrow inner part; the outer end of the butt joint ring 8 is provided with a sealing ring 17 extending towards the periphery, the blind plate 9 is provided with a clamping ring 18, when the clamping ring 18 is abutted to the outer end of the sealing ring 17, the driving assembly 10 drives the annular clamp 11 to shrink so that the peripheries of the clamping ring 18 and the sealing ring 17 are embedded in the annular groove 16, and the annular clamp 11 shrinks to apply extrusion force of opposite movement to the clamping ring 18 and the sealing ring 17 so that the clamping ring 18 and the sealing ring 17 are in extrusion fit.

As shown in fig. 5, the annular clamp 11 includes a first arc clamp 20, a second arc clamp 21 and a third arc clamp 22 which have the same diameter, one end of the second arc clamp 21 is hinged to the first arc clamp 20, the other end of the second arc clamp 21 is hinged to the third arc clamp 22, the driving component 10 is connected to the first arc clamp 20 and the third arc clamp 22, and the first arc clamp 20 and the third arc clamp 22 can be regarded as symmetrical. The annular hoop 11 of this kind of syllogic structure can pull out or imbed the blind plate 9 when first arc clamp 20 and third arc clamp 22 move dorsad to make things convenient for the quick laminating of blind plate 9 to connect ring 8, improved work efficiency greatly.

As shown in fig. 2, a fixing block 39 is arranged on the side of the docking ring 8, and the second arc-shaped clamp 21 is fixed on the fixing block 39 through screws.

As shown in fig. 5, all be equipped with the positioning nail 23 on first arc clamp 20 and the third arc clamp 22, safety plate 26 is installed through locking screw 25 to the outer terminal surface of blind plate 9, sets up the locating hole 24 with positioning nail 23 looks adaptation on the safety plate 26, and two locating holes 24 on the safety plate 26 realize the secondary locking of annular clamp 11 when agreeing with locating hole 24 on first arc clamp 20 and the locating hole 24 on the third arc clamp 22 respectively, avoid the reverse effort of butt joint ring 8 and blind plate 9 to overcome the required power of drive assembly 10 motion and do work and push away annular clamp 11.

As shown in fig. 5, the driving assembly 10 includes a mounting bracket 40, a rotating wheel 27, a rotating shaft 28, a first slider 29 and a second slider 30, the mounting bracket 40 is fixed on a side portion of the docking ring 8, the rotating shaft 28 is rotatably mounted on the mounting bracket 40, a bearing for matching with the rotating shaft 28 is provided on the mounting bracket 40, a distal end of the rotating shaft 28 is connected to the rotating wheel 27, a normal thread portion 31 and a reverse thread portion 32 are provided on the rotating shaft 28, the first slider 29 is threadedly connected to the normal thread portion 31, and the second slider 30 is threadedly connected to the reverse thread portion 32; the first arc-shaped hoop 20 is provided with a first connecting seat 33 for connecting the first sliding block 29, and the third arc-shaped hoop 22 is provided with a second connecting seat 36 for connecting the second sliding block 30, so that the rotating shaft 28 rotates to drive the first sliding block 29 and the second sliding block 30 to move in opposite directions or move in a back-to-back direction, and further the annular hoop 11 is expanded or contracted.

As shown in fig. 5, two ends of the first slider 29 are provided with first support pillars 35, the first connecting seat 33 is provided with first oblong holes 34 adapted to the first support pillars 35, two ends of the second slider 30 are provided with second support pillars 38, the second connecting seat 36 is provided with second oblong holes 37 adapted to the second support pillars 38, so that the first support pillars 35 can slide linearly in the first oblong holes 34, the second support pillars 38 can slide linearly in the second oblong holes 37, the first slider 29 and the first connecting seat 33, the second slider 30 and the second connecting seat 36 can be prevented from being locked, and the open-close mechanism and the annular clamp 11 can be linked smoothly.

As shown in fig. 3, a sealing ring 19 is disposed on an end surface of the sealing ring 17 (a groove is first formed on the end surface of the sealing ring 17, and the sealing ring 19 is embedded in the groove), so that when the sealing ring 17 is press-fitted with the blind plate 9, the sealing ring 19 can significantly improve the sealing performance between the two.

As shown in fig. 1, a handle 12 is disposed on an outer end surface of the blind plate 9 to facilitate rotation of the blind plate 9.

The butt-joint ring 8 is connected with the second valve port 7 in a flange connection mode, so that the installation is firm, the stability is good, and the disassembly and the assembly are very convenient.

As shown in the attached drawing 1, a pressure gauge 13 is installed on the valve body 1, so that the working pressure inside the valve body 1 can be observed conveniently when the pipe cleaning valve works or releases pressure.

The working principle is as follows: the utility model discloses second valve port 7 on the valve body 1 is used for packing into or takes out the dredging pipe ware, and the starting and stopping mechanism on the second valve port 7 is including installing butt ring 8 on second valve port 7, articulate in the blind plate 9 of butt ring 8 lateral part, be fixed in drive assembly 10 on butt ring 8 and fix the annular clamp 11 that produces the linkage at butt ring 8 lateral part and with drive assembly 10, has annular groove 16 in the annular clamp 11, and the cross-section of annular groove 16 is outer wide interior narrow isosceles trapezoid. When covering the blind plate 9, when the snap ring 18 on the blind plate 9 is inconsistent with the outer end of the sealing ring 17, the driving assembly 10 drives the annular hoop 11 to shrink so that the peripheries of the snap ring 18 and the sealing ring 17 are embedded in the annular groove 16, and along with the shrinkage of the annular hoop 11, because the cross section of the annular groove 16 is an isosceles trapezoid with an outer width and an inner width, the snap ring 18 and the sealing ring 17 are limited by the annular groove 16, the annular hoop 11 applies extrusion force to the snap ring 18 and the sealing ring 17 in opposite movement so that the snap ring 18 and the sealing ring 17 are in extrusion fit, thereby closing action of the opening and closing mechanism is completed, and the opening and closing mechanism only needs to reversely operate the driving assembly 10 to open the blind plate 9, and then the blind plate 9 is pulled. When an operator opens the blind plate 9 under the condition of no pressure release, the driving assembly 10 drives the annular clamp 11 to slowly loosen the snap ring 18 and the sealing ring 17, high-pressure fluid in the inner cavity 5 of the valve body 1 flows out through a gap between the snap ring 18 and the sealing ring 17, and the peripheries of the snap ring 18 and the sealing ring 17 are still in the annular groove 16 of the annular clamp 11 at the moment, so that the blind plate 9 cannot be pushed out by the high-pressure fluid, and the blind plate 9 is prevented from being flushed out at a high speed to impact the operator or impact the operator by the high-pressure fluid to cause safety accidents. Therefore, the utility model discloses not only conveniently open blind plate 9, have the function of secondary pressure release moreover, open blind plate 9 under the condition that does not have the pressure release and can guarantee operating personnel's life safety.

Claims

1. The clamp type quick-opening blind plate pipe cleaning valve comprises a valve body (1), a hand wheel (2), a transmission case (3), a valve rod (14), a ball core (15), a pressure relief valve (4) and an opening and closing mechanism, wherein an inner cavity (5) is formed in the valve body (1), a first valve port (6) and a second valve port (7) which are communicated with the inner cavity (5) are formed in the valve body (1), the transmission case (3) is arranged on the first valve port (6), the ball core (15) is arranged in the inner cavity (5), the input end of the transmission case (3) is connected with the hand wheel (2), the output end of the transmission case (3) is connected with the ball core (15) through the valve rod (14), the opening and closing mechanism is arranged on the second valve port (7), and the pressure relief valve (4) is arranged at the bottom of the valve body; the method is characterized in that: the opening and closing mechanism comprises a butt joint ring (8) arranged on the second valve port (7), a blind plate (9) hinged to the side part of the butt joint ring (8), a driving component (10) fixed on the butt joint ring (8) and an annular hoop (11) fixed on the side part of the butt joint ring (8) and linked with the driving component (10); an annular groove (16) is formed in the inner side of the annular clamp (11), and the section of the annular groove (16) is an isosceles trapezoid with a wide outer part and a narrow inner part; butt joint ring (8) outer end is equipped with sealing ring (17) that extend to the periphery, is equipped with snap ring (18) on blind plate (9), and when snap ring (18) and sealing ring (17) outer end were inconsistent, drive assembly (10) drive annular clamp (11) shrink make the periphery of snap ring (18) and sealing ring (17) inlay and establish in ring channel (16) to annular clamp (11) shrink exerts the extrusion force of opposite movement to snap ring (18) and sealing ring (17) and makes snap ring (18) and sealing ring (17) extrusion fit.

2. The clip type quick-opening blind plate pipe cleaning valve according to claim 1, characterized in that: annular clamp (11) are including the same first arc clamp (20), second arc clamp (21) and third arc clamp (22) of diameter, and the one end and first arc clamp (20) of second arc clamp (21) are articulated mutually, and the other end and third arc clamp (22) of second arc clamp (21) are articulated mutually, drive assembly (10) are connected with first arc clamp (20) and third arc clamp (22).

3. The clip type quick-opening blind plate pipe cleaning valve according to claim 2, characterized in that: the lateral part of butt joint ring (8) is equipped with fixed block (39), second arc clamp (21) pass through the screw fixation on fixed block (39).

4. The clip type quick-opening blind plate pipe cleaning valve according to claim 2, characterized in that: all be equipped with location nail (23) on first arc clamp (20) and third arc clamp (22), safety plate (26) are installed through locking screw (25) to the outer terminal surface of blind plate (9), offer on safety plate (26) with location nail (23) looks adaptation locating hole (24).

5. The clip type quick-opening blind plate pipe cleaning valve according to claim 2, characterized in that: the driving assembly (10) comprises an installation frame (40), a rotating wheel (27), a rotating shaft (28), a first sliding block (29) and a second sliding block (30), the installation frame (40) is fixed on the side portion of the butt joint ring (8), the rotating shaft (28) is rotatably installed on the installation frame (40), the tail end of the rotating shaft (28) is connected with the rotating wheel (27), a forward-rotation threaded portion (31) and a reverse-rotation threaded portion (32) are arranged on the rotating shaft (28), the first sliding block (29) is in threaded connection with the forward-rotation threaded portion (31), and the second sliding block (30) is in threaded connection with the reverse-rotation threaded portion (32); the first arc-shaped hoop (20) is provided with a first connecting seat (33) used for connecting a first sliding block (29), and the third arc-shaped hoop (22) is provided with a second connecting seat (36) used for connecting a second sliding block (30).

6. The clip type quick open blind pipe cleaning valve according to claim 5, characterized in that: the both ends of first slider (29) are equipped with first pillar (35), are equipped with on first connecting seat (33) with first pillar (35) looks adaptation first long circular port (34), the both ends of second slider (30) are equipped with second pillar (38), are equipped with on second connecting seat (36) with second pillar (38) looks adaptation second long circular port (37).

7. The clip type quick-opening blind plate pipe cleaning valve according to claim 1, characterized in that: and a sealing ring (19) is arranged on the end surface of the sealing ring (17).

8. The clip type quick-opening blind plate pipe cleaning valve according to claim 1, characterized in that: the outer end face of the blind plate (9) is provided with a handle (12).

9. The clip type quick-opening blind plate pipe cleaning valve according to claim 1, characterized in that: the butt-joint ring (8) is connected with the second valve port (7) in a flange connection mode.

10. The clip type quick-opening blind plate pipe cleaning valve according to claim 1, characterized in that: and a pressure gauge (13) is arranged on the valve body (1).