CN220566674U

CN220566674U - Valve body and valve seat connecting joint

Info

Publication number: CN220566674U
Application number: CN202322347100.9U
Authority: CN
Inventors: 李荣虎; 肖以伟; 郑兆建; 马幸
Original assignee: Suzhou Zengrui Precision Machinery Co ltd
Current assignee: Suzhou Zengrui Precision Machinery Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-08
Anticipated expiration: 2033-08-31

Abstract

The utility model provides a valve body valve seat connecting joint, which belongs to the technical field of connecting joints and aims to solve the problems that the existing valve body valve seat connecting joint is a special joint in the use process, when a valve is damaged, the connecting joint between a valve body and a valve seat is difficult to install in other valve bodies for use after being taken down, and the adaptability is not high enough; the two plug-in cylinders are respectively and fixedly connected to the front end face and the rear end face of the threaded cylinder; the two sealing gaskets are sleeved on the outer sides of the two thread cylinders; the threaded hole is formed in the inner side of the joint nut; the lubrication pipe is arranged on the inner side of the joint nut, and the threaded hole is communicated with the lubrication pipe; by the arrangement of the utility model, the installation and the multiple purposes of the connecting joint are realized, the applicability is improved, the use cost is reduced, and the working efficiency is improved.

Description

Valve body and valve seat connecting joint

Technical Field

The utility model belongs to the technical field of connecting joints, and particularly relates to a valve seat connecting joint of a valve body.

Background

The valve seat is a pipe part for supporting the valve core in the valve, and when the valve body and the valve seat are installed, the valve seat and the valve body are connected by using a connecting joint pair, and the existing valve is generally composed of the valve body, the valve seat, the valve core and the valve clack.

According to the application number: the utility model discloses a valve seat of a high-wear-resistance valve body, which belongs to the technical field of high-wear-resistance valves and particularly relates to a valve seat of a high-wear-resistance valve body, which comprises a left valve seat and a right valve seat, wherein the specifications of the left valve seat and the right valve seat are the same and are arranged in a mirror image mode, a first diversion hole is formed in the middle of the left valve seat, a second diversion hole is formed in the center of the right valve seat, the diameters of the first diversion hole and the second diversion hole are the same and are coaxially arranged, threaded through holes are formed in corners of the left valve seat, connecting through holes are formed in corners of the right valve seat, the threaded through holes and the connecting through holes are coaxially arranged, and four fastening screws penetrate through the connecting through holes. The left valve seat and the right valve seat are fastened and connected through the four fastening screws to form a valve seat main body structure, the embedded high-wear-resistance valve cavity sleeve in the valve seat can determine the used materials and hardness according to the wear resistance and the use situation, and when the valve body is worn, the single body of the high-wear-resistance valve cavity sleeve is replaced to realize quick maintenance and replacement, so that the valve seat has the characteristics of easiness in production and maintenance.

Based on the above, the existing valve body and valve seat connecting joint is generally a special joint in the use process, when the valve is damaged, the connecting joint between the valve body and the valve seat is difficult to be installed in other valve bodies for use after being taken down, and the adaptability is not high enough.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a valve body and valve seat connecting joint, which aims to solve the problems that the existing valve body and valve seat connecting joint is a special joint in the use process, when a valve is damaged, the connecting joint between a valve body and a valve seat is difficult to install in other valve bodies for use after being taken down, and the adaptability is not high enough.

The utility model discloses a valve body and valve seat connecting joint, which is realized by the following specific technical means:

a valve body and valve seat connecting joint comprises a joint nut, a threaded cylinder, a plug cylinder, a sealing gasket, a threaded hole, a lubricating pipe, a mounting mechanism and a lubricating mechanism; the two thread barrels are fixedly connected to the front end face and the rear end face of the joint nut; the two plug-in cylinders are respectively and fixedly connected to the front end face and the rear end face of the threaded cylinder; the two sealing gaskets are sleeved on the outer sides of the two thread cylinders; the threaded hole is formed in the inner side of the joint nut; the lubrication pipe is arranged on the inner side of the joint nut, and the threaded hole is communicated with the lubrication pipe; the mounting mechanism is arranged on the inner side of the plug-in cylinder; the lubrication mechanism is arranged on the inner side of the lubrication pipe.

Further, the mounting mechanism includes: a threaded block and a tension spring; the thread blocks are provided with two groups, and the two groups of thread blocks are respectively and slidably connected to the inner sides of the two plug-in cylinders; the extension springs are provided with two groups, the two groups of extension springs are respectively and fixedly connected to the inner sides of the two groups of thread blocks, and the extension springs are fixedly connected to the inner sides of the plug-in cylinders.

Further, the mounting mechanism further includes: the device comprises a trapezoid groove, a connecting plate and a trapezoid block; the trapezoid grooves are provided with two groups, and the two groups of trapezoid grooves are respectively formed in the inner sides of the two groups of thread blocks; the two groups of connecting plates are respectively connected to the inner sides of the two plug-in cylinders in a sliding manner; the trapezoid blocks are provided with two groups, and the two groups of trapezoid blocks are respectively and fixedly connected to the outer sides of the two groups of connecting plates.

Further, the mounting mechanism further includes: a push plate and a return spring; the push plates are provided with two groups, and the two groups of push plates are respectively and fixedly connected to the outer sides of the two groups of connecting plates; the reset springs are provided with two groups, the two groups of reset springs are respectively and fixedly connected to the outer sides of the two groups of trapezoidal blocks, and the reset springs are fixedly connected to the inner sides of the plug-in cylinders.

Further, the mounting mechanism further includes: a mounting sleeve; the installation sleeve is provided with two installation sleeves, the two installation sleeves are respectively in threaded connection with the outer sides of the two threaded cylinders, and threads are arranged on the inner sides of the installation sleeves.

Further, the lubrication mechanism includes: a lubrication ring and a lubrication port; the two lubrication rings are respectively arranged on the inner sides of the two thread cylinders and are communicated with the lubrication pipe; the lubrication ports are arranged in two groups, the two groups of lubrication ports are respectively arranged on the inner sides of the two thread cylinders, and the lubrication ports are communicated with the lubrication ring.

Further, the lubrication mechanism further includes: a fixed ring and a sliding pin; the two fixing rings are fixedly connected to the inner side of the lubricating pipe; the two sliding pins are arranged and are both in sliding connection with the inner side of the lubricating pipe.

Further, the lubrication mechanism further includes: the device comprises a connecting hole, a sliding plate, an oil hole and a sealing plug; the two connecting holes are respectively formed in the inner sides of the two sliding pins; the two sliding plates are arranged and are both connected to the inner side of the lubrication pipe in a sliding way; the oil holes are provided with two groups, and the two groups of oil holes are respectively formed in the inner sides of the two sliding plates; the sealing plugs are arranged in two, and the two sealing plugs are respectively and fixedly connected to the outer sides of the two sliding plates.

Further, the lubrication mechanism further includes: a guide rod and a seal spring; the guide rods are provided with two groups, the two groups of guide rods are respectively and fixedly connected to the outer sides of the two sliding plates, and the guide rods are in sliding connection with the inner sides of the sliding pins; the sealing springs are provided with two groups, the two groups of sealing springs are respectively and fixedly connected to the inner sides of the two sliding pins, and the sealing springs are fixedly connected to the inner sides of the sliding plates.

Further, the lubrication mechanism further includes: a screw and a piston; the screw thread piece is in threaded connection with the inner side of the threaded hole; the piston is connected with the inner side of the threaded hole in a sliding way.

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

the utility model realizes the installation and the multiple purposes of the connecting joint through the arrangement of the installation mechanism, the connecting joint can be adapted to valve seats of different specifications through the replacement of the installation sleeve, the connecting joint can be installed in the valve seats of different specifications, the applicability is improved, the connecting joint can be independently used after the installation sleeve is detached, the multiple purposes of the connecting joint are realized through the replacement or the disassembly of the installation sleeve, the applicability is improved, the connecting joint does not need to be independently purchased when encountering valve seats of other specifications, the use cost is reduced only by independently replacing the installation sleeve, the connecting joint can be connected with the installation sleeve in a threaded manner after the connecting joint is spliced with the installation sleeve, the operation is simple, and the working efficiency is improved; through the arrangement of the lubricating mechanism, lubrication between the threaded cylinder and the mounting sleeve is realized, when rust between the threaded cylinder and the mounting sleeve is difficult to disassemble, the piston can be pushed to slide by rotating the threaded piece, so that the piston extrudes lubricating oil in the lubricating pipe, the sliding pin is pushed by the lubricating oil, the sliding pin is separated from the sliding plate, at the moment, the lubricating oil can pass through the oil hole and the connecting hole, and then the threaded cylinder and the mounting sleeve are lubricated through the lubricating port, so that the rusted threaded cylinder and the mounting sleeve are convenient to disassemble, the working efficiency is improved, and the labor capacity is reduced; through the arrangement of the mechanism, the installation and the multiple purposes of the connecting joint are realized, the applicability is improved, the use cost is reduced, the working efficiency is improved, the lubrication between the thread cylinder and the installation sleeve is also realized, the working efficiency is improved, and the labor capacity is reduced.

Drawings

Fig. 1 is a schematic structural view of the main body of the present utility model.

Fig. 2 is a schematic structural view of the screw block of the present utility model.

Fig. 3 is a schematic view of the structure of the trapezoidal block of the present utility model.

Fig. 4 is a schematic cross-sectional structural view of the body of the present utility model.

Fig. 5 is a schematic sectional view of the slide pin of the present utility model.

Fig. 6 is a partially enlarged schematic view of the structure of fig. 4 a according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a joint nut; 2. a thread cylinder; 3. a plug-in cylinder; 4. a sealing gasket; 5. a threaded hole; 6. a lubrication tube; 7. a screw block; 701. a trapezoid groove; 8. a tension spring; 9. a connecting plate; 901. a trapezoid block; 902. a push plate; 903. a return spring; 10. a mounting sleeve; 11. a lubrication ring; 12. a lubrication port; 13. a fixing ring; 14. a sliding pin; 1401. a connection hole; 15. a sliding plate; 1501. an oil hole; 1502. a sealing plug; 1503. a guide rod; 16. a seal spring; 17. a screw; 18. and (3) a piston.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Embodiment one:

as shown in fig. 1-3:

the utility model provides a valve body and valve seat connecting joint which comprises a joint nut 1, a threaded cylinder 2, an inserting cylinder 3, a sealing gasket 4, a threaded hole 5, a lubricating pipe 6, a mounting mechanism and a lubricating mechanism; the two threaded cylinders 2 are arranged, and the two threaded cylinders 2 are fixedly connected to the front end face and the rear end face of the joint nut 1; the two plugging cylinders 3 are arranged, and the two plugging cylinders 3 are respectively and fixedly connected with the front end face and the rear end face of the threaded cylinder 2; the two sealing gaskets 4 are arranged, and the two sealing gaskets 4 are sleeved on the outer sides of the two thread cylinders 2; the threaded hole 5 is formed in the inner side of the joint nut 1; the lubrication pipe 6 is arranged on the inner side of the joint nut 1, and the threaded hole 5 is communicated with the lubrication pipe 6; the mounting mechanism is arranged on the inner side of the plug tube 3; the lubrication mechanism is provided inside the lubrication pipe 6.

Wherein, the installation mechanism includes: screw block 7, trapezoid groove 701, extension spring 8, connection plate 9, trapezoid block 901, push plate 902, return spring 903 and mounting sleeve 10; the thread blocks 7 are provided with two groups, and the two groups of thread blocks 7 are respectively and slidably connected to the inner sides of the two plug-in cylinders 3; the trapezoid grooves 701 are provided with two groups, and the two groups of trapezoid grooves 701 are respectively arranged on the inner sides of the two groups of thread blocks 7; the two groups of extension springs 8 are respectively and fixedly connected to the inner sides of the two groups of thread blocks 7, and the extension springs 8 are fixedly connected to the inner sides of the plug-in cylinders 3; the two groups of connecting plates 9 are arranged, and the two groups of connecting plates 9 are respectively and slidably connected to the inner sides of the two plug-in cylinders 3; the trapezoid blocks 901 are provided with two groups, and the two groups of trapezoid blocks 901 are respectively and fixedly connected to the outer sides of the two groups of connecting plates 9; the push plates 902 are provided with two groups, and the two groups of push plates 902 are respectively and fixedly connected to the outer sides of the two groups of connecting plates 9; the two groups of reset springs 903 are arranged, the two groups of reset springs 903 are fixedly connected to the outer sides of the two groups of trapezoidal blocks 901 respectively, and the reset springs 903 are fixedly connected to the inner side of the plug tube 3; the two mounting sleeves 10 are arranged, the two mounting sleeves 10 are respectively connected with the outer sides of the two thread barrels 2 in a threaded mode, and threads are arranged on the inner sides of the mounting sleeves 10.

Specific use and action of the embodiment: before installing the attach fitting, trapezoidal groove 701 can agree with trapezoidal piece 901, and screw thread piece 7 can retract into grafting section of thick bamboo 3 under extension spring 8's effect, alright pegging graft grafting section of thick bamboo 3 in installation sleeve 10 this moment, make screw thread section of thick bamboo 2 and installation sleeve 10 threaded connection, swivelling joint this moment, along with the installation of attach fitting, can make installation sleeve 10 extrusion push pedal 902, the connecting plate 9 can drive trapezoidal piece 901 and slide this moment, make trapezoidal piece 901 break away from trapezoidal groove 701, trapezoidal piece 901's slip can be ejecting screw thread piece 7, at this moment screw thread piece 7 can with installation sleeve 10 threaded connection, guarantee the fastening degree between installation sleeve 10 and screw thread section of thick bamboo 2 and screw thread piece 7.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 4 to 6, the lubricating mechanism, the lubricating ring 11, the lubricating port 12, the fixed ring 13, the sliding pin 14, the connecting hole 1401, the sliding plate 15, the oil hole 1501, the sealing plug 1502, the guide rod 1503, the sealing spring 16, the screw 17 and the piston 18 are further included; the two lubrication rings 11 are arranged, the two lubrication rings 11 are respectively arranged on the inner sides of the two thread cylinders 2, and the lubrication rings 11 are communicated with the lubrication pipe 6; the lubrication ports 12 are provided with two groups, the two groups of lubrication ports 12 are respectively arranged on the inner sides of the two thread cylinders 2, and the lubrication ports 12 are communicated with the lubrication ring 11; the two fixing rings 13 are arranged, and the two fixing rings 13 are fixedly connected to the inner side of the lubrication pipe 6; two sliding pins 14 are arranged, and the two sliding pins 14 are both connected with the inner side of the lubrication pipe 6 in a sliding way; the two connecting holes 1401 are arranged, and the two connecting holes 1401 are respectively arranged on the inner sides of the two sliding pins 14; two sliding plates 15 are arranged, and the two sliding plates 15 are both in sliding connection with the inner side of the lubrication pipe 6; the oil holes 1501 are provided in two groups, and the two groups of oil holes 1501 are respectively formed on the inner sides of the two sliding plates 15; the two sealing plugs 1502 are arranged, and the two sealing plugs 1502 are fixedly connected to the outer sides of the two sliding plates 15 respectively; guide rods 1503 are provided with two groups, the two groups of guide rods 1503 are fixedly connected to the outer sides of the two sliding plates 15 respectively, and the guide rods 1503 are connected to the inner sides of the sliding pins 14 in a sliding manner; the two groups of sealing springs 16 are arranged, the two groups of sealing springs 16 are respectively and fixedly connected to the inner sides of the two sliding pins 14, and the sealing springs 16 are fixedly connected to the inner sides of the sliding plates 15; the screw 17 is screwed on the inner side of the threaded hole 5; the piston 18 is slidably connected inside the threaded bore 5.

Specific use and action of the embodiment: when the junction of screw thread section of thick bamboo 2 and installation sleeve 10 rust is difficult to dismantle, can make screw 17 promote piston 18 to the inboard slip of screw hole 5 through rotatory screw 17, the slip of piston 18 can extrude the lubricating oil in screw hole 5, make lubricating oil promote sliding pin 14, sliding pin 14's slip can make guide bar 1503 and solid fixed ring 13 contact, continue rotatory screw 17 this moment, can make sliding pin 14 and sliding plate 15 separate, lubricating oil in the lubrication tube 6 can flow through connecting hole 1401 after the oilhole 1501 at this moment, lubricating oil that flows through connecting hole 1401 can flow through lubricating ring 11 after flowing through lubricating mouth 12, lubricate the screw thread between screw thread section of thick bamboo 2 and the installation sleeve 10, the convenience is dismantled.

Claims

1. The utility model provides a valve body disk seat attach fitting which characterized in that: the device comprises a joint nut (1), a thread cylinder (2), a plug cylinder (3), a sealing gasket (4), a threaded hole (5), a lubricating pipe (6), a mounting mechanism and a lubricating mechanism; the two threaded cylinders (2) are arranged, and the two threaded cylinders (2) are fixedly connected to the front end face and the rear end face of the joint nut (1); the two plug-in cylinders (3) are arranged, and the two plug-in cylinders (3) are fixedly connected to the front end face and the rear end face of the threaded cylinder (2) respectively; two sealing gaskets (4) are arranged, and the two sealing gaskets (4) are sleeved on the outer sides of the two thread cylinders (2); the threaded hole (5) is formed in the inner side of the joint nut (1); the lubrication pipe (6) is arranged on the inner side of the joint nut (1), and the threaded hole (5) is communicated with the lubrication pipe (6); the mounting mechanism is arranged on the inner side of the plug-in cylinder (3); the lubrication mechanism is arranged on the inner side of the lubrication pipe (6).

2. A valve body and seat connection fitting as defined in claim 1, wherein: the mounting mechanism includes: a screw block (7) and a tension spring (8); the thread blocks (7) are provided with two groups, and the two groups of thread blocks (7) are respectively and slidably connected to the inner sides of the two plug-in cylinders (3); the two groups of extension springs (8) are arranged, the two groups of extension springs (8) are respectively and fixedly connected to the inner sides of the two groups of thread blocks (7), and the extension springs (8) are fixedly connected to the inner sides of the plug-in cylinders (3).

3. A valve body and seat connection fitting as claimed in claim 2, wherein: the mounting mechanism further includes: a trapezoid groove (701), a connecting plate (9) and a trapezoid block (901); the trapezoid grooves (701) are provided with two groups, and the two groups of trapezoid grooves (701) are respectively arranged on the inner sides of the two groups of thread blocks (7); the two groups of connecting plates (9) are arranged, and the two groups of connecting plates (9) are respectively and slidably connected to the inner sides of the two plug-in cylinders (3); the trapezoid blocks (901) are provided with two groups, and the two groups of trapezoid blocks (901) are respectively and fixedly connected to the outer sides of the two groups of connecting plates (9).

4. A valve body and seat connection as claimed in claim 3, wherein: the mounting mechanism further includes: a push plate (902) and a return spring (903); the push plates (902) are provided with two groups, and the two groups of push plates (902) are respectively and fixedly connected to the outer sides of the two groups of connecting plates (9); the two groups of reset springs (903) are arranged, the two groups of reset springs (903) are fixedly connected to the outer sides of the two groups of trapezoidal blocks (901) respectively, and the reset springs (903) are fixedly connected to the inner sides of the plug-in connection cylinders (3).

5. A valve body and seat connection fitting as defined in claim 4, wherein: the mounting mechanism further includes: a mounting sleeve (10); the two mounting sleeves (10) are arranged, the two mounting sleeves (10) are respectively connected to the outer sides of the two threaded cylinders (2) in a threaded mode, and threads are arranged on the inner sides of the mounting sleeves (10).

6. A valve body and seat connection fitting as defined in claim 1, wherein: the lubrication mechanism includes: a lubrication ring (11) and a lubrication port (12); the two lubrication rings (11) are arranged, the two lubrication rings (11) are respectively arranged on the inner sides of the two thread cylinders (2), and the lubrication rings (11) are communicated with the lubrication pipe (6); the two groups of lubrication ports (12) are arranged, the two groups of lubrication ports (12) are respectively arranged on the inner sides of the two thread cylinders (2), and the lubrication ports (12) are communicated with the lubrication ring (11).

7. A valve body and seat connection fitting as defined in claim 6, wherein: the lubrication mechanism further includes: a fixed ring (13) and a sliding pin (14); two fixing rings (13) are arranged, and the two fixing rings (13) are fixedly connected to the inner side of the lubricating pipe (6); two sliding pins (14) are arranged, and the two sliding pins (14) are both connected with the inner side of the lubrication pipe (6) in a sliding way.

8. A valve body and seat connection fitting as defined in claim 7, wherein: the lubrication mechanism further includes: a connecting hole (1401), a sliding plate (15), an oil hole (1501) and a sealing plug (1502); the two connecting holes (1401) are arranged, and the two connecting holes (1401) are respectively arranged on the inner sides of the two sliding pins (14); two sliding plates (15) are arranged, and the two sliding plates (15) are both connected to the inner side of the lubrication pipe (6) in a sliding way; the oil holes (1501) are provided with two groups, and the two groups of oil holes (1501) are respectively formed in the inner sides of the two sliding plates (15); the two sealing plugs (1502) are arranged, and the two sealing plugs (1502) are respectively and fixedly connected to the outer sides of the two sliding plates (15).

9. A valve body and seat connection fitting as defined in claim 8, wherein: the lubrication mechanism further includes: a guide rod (1503) and a sealing spring (16); the guide rods (1503) are provided with two groups, the two groups of guide rods (1503) are respectively and fixedly connected to the outer sides of the two sliding plates (15), and the guide rods (1503) are in sliding connection with the inner sides of the sliding pins (14); the sealing springs (16) are provided with two groups, the two groups of sealing springs (16) are respectively and fixedly connected to the inner sides of the two sliding pins (14), and the sealing springs (16) are fixedly connected to the inner sides of the sliding plates (15).

10. A valve body and seat connection fitting as defined in claim 9, wherein: the lubrication mechanism further includes: a screw (17) and a piston (18); the screw (17) is in threaded connection with the inner side of the threaded hole (5); the piston (18) is connected to the inner side of the threaded hole (5) in a sliding manner.