CN214036947U

CN214036947U - Plug mechanism in choke valve

Info

Publication number: CN214036947U
Application number: CN202023209290.0U
Authority: CN
Inventors: 毛健华; 李海山; 卜毛祺
Original assignee: Wuxi Yuanhua Valve Manufacturing Co ltd
Current assignee: Wuxi Yuanhua Valve Manufacturing Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-24
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the throttling assembly, especially, be a stopper mechanism in choke valve, including runner, reference column and extrusion piece, the runner sets up and revolves the post top in the regulation, screw thread fixing intra-annular including the rotatory setting of post is revolved in the regulation, internal thread fixing intra-annular sets up in the valve body upper end, the honeycomb duct is all being connected to the valve body both sides, the honeycomb duct top is setting up the apical ring, the honeycomb duct inboard of valve body one side is provided with the water inlet, and the inside delivery port that is provided with of opposite side honeycomb duct, the fixed supporting spring that is setting up of bottom surface in the regulation revolves post cavity, the fixed stripper plate that is setting up in supporting spring top. The utility model discloses a through regulation and control dish, reference column, extrusion piece, well stopper ring cap, runner, regulation spiral post, the solid fixed ring of internal thread and well stopper post combined action, solved well stopper post and well stopper post lid and fixed a setting, the synchronous lift is throttled, can not operate well stopper post and well stopper post lid according to actual need respectively and carry out the problem of shutoff respectively.

Description

Plug mechanism in choke valve

Technical Field

The utility model relates to a throttle subassembly technical field specifically is a stopper mechanism in choke valve.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system. The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability.

The throttle valve can be divided into a straight-through type and an angle type according to a channel mode; according to the shape of the opening and closing piece, there are three kinds of needle shape, ditch shape and window shape.

The plug mechanism in the traditional throttle valve is various, but still has some problems:

1. most of traditional choke valve well stopper mechanism is well stopper post and well stopper plunger lid and fixes a setting in a department, and synchronous lift carries out the throttle, when carrying out the throttle of inside flowing water pipeline, can't operate well stopper post and well stopper plunger lid respectively according to actual need and carry out the shutoff respectively, has reduced the practicality of choke valve well stopper mechanism.

2. Most of the traditional throttling valve middle plug mechanisms are arranged inside a middle plug column pipe of the throttling valve, and the middle plug column pipe is not provided with a reinforcing rib structure, so that the stability between a pipeline and the middle plug column pipe is insufficient, and the safety of the throttling valve middle plug mechanisms inside the middle plug column pipe is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a stopper mechanism in choke valve has solved traditional choke valve stopper mechanism and has mostly been well stopper post and well stopper plunger cap and fix in a setting, the throttle is carried out in the synchronous lift, when carrying out the throttle of inside water-flowing pipeline, can't operate well stopper post and well stopper plunger cap part respectively according to actual need and carry out the shutoff respectively, the practicality of stopper mechanism in the choke valve has been reduced, mostly set up in the well stopper post intraductal of choke valve, and well stopper post pipe segment does not have strengthening rib structure, make the not enough scheduling problem of stability between pipeline and well stopper post pipe segment.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stopper mechanism in choke valve, includes runner, reference column and extrusion piece, the runner is fixed to be set up on adjusting the rotary column top, screw fixation ring is inboard including adjusting the rotatory setting of rotary column shaft, the fixed setting in the valve body upper end of internal thread fixed ring, the honeycomb duct is all being connected to the valve body both sides, the honeycomb duct top outside is encircleed and is being set up the apical ring, the honeycomb duct inboard of valve body one side is provided with the water inlet, and the inside delivery port that is provided with of opposite side honeycomb duct, the fixed supporting spring that is setting up of bottom surface in the regulation rotary column cavity, the fixed stripper plate that is setting up in supporting spring top.

Further optimize this technical scheme, water inlet and delivery port intercommunication, and the intercommunication department slides and is setting up well plunger, adjust the column bottom shaft outside and encircle and set up well plunger, adjust the inside cavity of column, and the cavity internal thread is setting up the reference column.

Further optimize this technical scheme, reference column top shaft passes the runner and is connected with the regulation and control dish, the regulation and control dish is located the runner upper end, the fixed toper ring post that is setting up in reference column top, it is sliding the extrusion piece to set up in the regulation spiral post lateral wall, toper ring post supports the outer inclined plane of extrusion piece.

Further optimize this technical scheme, two extrusion pieces are a set of mirror symmetry and slide and set up in adjusting the column lateral wall soon, and two extrusion pieces pass and adjust the column lateral wall soon and be connected with well stopper ring cap, well stopper ring cap is the rubber ring cap, and well stopper ring cap encircles and sets up in adjusting the column outside soon.

Further optimizing the technical scheme, the penetrating thin column is arranged in the column body at the bottom end of the positioning column in a sliding mode, an elongated slot is formed in the inner side of the positioning column, the sealing ring is arranged in the elongated slot in a sliding mode, the inner side of the sealing ring is provided with an inclined block, the inclined block abuts against the column body at the top end of the penetrating thin column, and the outer side face of the sealing ring abuts against the inner side wall of the column body of the adjusting rotary column.

Further optimize this technical scheme, be provided with the strengthening rib between the honeycomb duct of valve body both sides and the solid fixed ring of internal thread.

(III) advantageous effects

Compared with the prior art, the utility model provides a stopper mechanism in choke valve possesses following beneficial effect:

1. this stopper mechanism in choke valve, through utilizing regulation and control dish adjustment reference column to slide from top to bottom and extrude the extrusion piece and slide outward for well stopper ring lid supports the lateral wall, seal, utilize the runner to rotate the regulation screw post including in the internal rotation of thread tightening ring simultaneously, make the regulation screw post reciprocate, the stopper post throttles in water inlet and delivery port intercommunication department in the drive, the stopper mechanism is mostly well stopper post and well stopper post lid and fixes in a setting, the synchronous lift is throttled, when carrying out the throttle of inside flow pipe, can't operate well stopper post and well stopper post lid respectively according to actual need and carry out the shutoff, the problem of the practicality of stopper mechanism in the choke valve has been reduced.

2. This stopper mechanism in choke valve is provided with the strengthening rib through between the honeycomb duct of valve body both sides and the solid fixed ring of internal thread, has solved and has mostly set up inside the well plunger pipe of choke valve, and well plunger pipe part does not have the strengthening rib structure for stability not enough problem between pipeline and well plunger pipe part.

Drawings

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

FIG. 2 is a side sectional view of the present invention;

FIG. 3 is a detailed view of the inner side adjusting structure of the middle plug of the present invention;

fig. 4 is a detailed view of the extrusion structure of the sealing ring of the present invention.

In the figure: 1. a rotating wheel; 2. a control panel; 3. adjusting the rotary column; 4. an internal thread fixing ring; 5. a top ring; 6. a valve body; 7. a flow guide pipe; 8. reinforcing ribs; 9. a water inlet; 10. a water outlet; 11. a positioning column; 12. a middle plug column; 13. a conical ring column; 14. extruding the block; 15. a middle plug ring cover; 16. inserting thin columns; 17. a pressing plate; 18. a support spring; 19. and (5) sealing rings.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a stopper mechanism in choke valve, including runner 1, reference column 11 and

extrusion piece

14, 3 tops of post are revolved in the regulation to 1 fixed setting of runner, 4 inboards of screw thread solid fixed ring including 3 shaft rotations of post are revolved in the regulation, 4 fixed settings in 6 upper ends of valve body are revolved to the solid fixed ring of internal thread, honeycomb duct 7 is all being connected to 6 both sides of valve body, honeycomb duct 7 top outside is encircleed and is being set up thimble 5, the honeycomb duct 7 inboard of 6 one sides of valve body is provided with water inlet 9, and 7 inside delivery port 10 that is provided with of opposite side honeycomb duct, the fixed supporting spring 18 that is setting up of bottom surface in 3 cavity of post are revolved in the regulation, the fixed stripper plate 17 that is setting up in supporting spring 18 top.

In this embodiment, a water inlet 9 is arranged on the inner side of the flow guide pipe 7 on one side of the valve body 6, a water outlet 10 is arranged inside the flow guide pipe 7 on the other side, the water inlet 9 is communicated with the water outlet 10 inside the valve body 6, and a middle plug 12 is arranged at the communication position.

Specifically, water inlet 9 and delivery port 10 intercommunication, and the intercommunication department slides and is setting up well plunger 12, adjusts 3 bottom shaft outsides of rotary column and encircles and be setting up well plunger 12, adjusts 3 inside hollows of rotary column, and the cavity internal thread is setting up reference column 11.

In this embodiment, the adjusting rotary column 3 is hollow, and the positioning column 11 is disposed in the hollow inner thread, so that the positioning column 11 can move down in the adjusting rotary column 3.

Specifically, a shaft of the top end of the positioning column 11 penetrates through the rotating wheel 1 and is connected with the adjusting and controlling disc 2, the adjusting and controlling disc 2 is located at the upper end of the rotating wheel 1, a conical ring column 13 is fixedly arranged at the top end of the positioning column 11, an extrusion block 14 is slidably arranged in the side wall of the adjusting rotating column 3, and the conical ring column 13 abuts against the outer inclined surface of the extrusion block 14.

In this embodiment, the tapered ring 13 abuts against the outer slope of the extrusion block 14, so that the tapered ring 13 abuts against the extrusion block 14 to slide outward when the positioning column 11 is rotated downward.

Specifically, the two extrusion blocks 14 are a group of mirror symmetry and are slidably arranged in the side wall of the adjusting rotary column 3, the two extrusion blocks 14 penetrate through the side wall of the adjusting rotary column 3 and are connected with the middle plug ring cover 15, the middle plug ring cover 15 is a rubber ring cover, and the middle plug ring cover 15 is arranged outside the adjusting rotary column 3 in a surrounding mode.

In this embodiment, the two extrusion blocks 14 pass through the side wall of the adjusting screw column 3 and are connected with the middle plug ring cover 15, the middle plug ring cover 15 is a rubber ring cover, and when the extrusion blocks 14 slide outwards, the middle plug ring cover 15 is extruded for plugging.

Specifically, the penetrating thin column 16 is slidably arranged in the column body at the bottom end of the positioning column 11, an elongated slot is formed in the inner side of the positioning column 11, the sealing ring 19 is slidably arranged in the elongated slot, the inner side of the sealing ring 19 is provided with an inclined block, the inclined block abuts against the column body at the top end of the penetrating thin column 16, and the outer side face of the sealing ring 19 abuts against the inner side wall of the column body of the adjusting rotary column 3.

In this embodiment, the inner side of the sealing ring 19 is provided with an inclined block which abuts against the column body at the top end of the penetrating thin column 16, the outer side surface of the sealing ring 19 abuts against the inner side wall of the column body of the adjusting rotary column 3, the penetrating thin column 16 is moved upwards to enable the sealing ring 19 to move outwards, the inner side wall of the column body of the adjusting rotary column 3 is extruded, and inner side sealing is performed.

Specifically, a reinforcing rib 8 is arranged between the honeycomb duct 7 on the two sides of the valve body 6 and the internal thread fixing ring 4.

In this embodiment, the reinforcing rib 8 arranged between the flow guide pipe 7 on the two sides of the valve body 6 and the internal thread fixing ring 4 can stabilize the internal plug structure of the internal thread fixing ring 4.

The utility model discloses a theory of operation and use flow: when using, connect the water pipe respectively with the honeycomb duct 7 of valve body 6 both sides earlier, rotatory runner 1 drives the well stopper 12 of adjusting 3 lower extremes of rotary column and throttles in water inlet 9 and delivery port 10 intercommunication department, utilize the position of regulation dish 2 adjustment regulation 3 inside reference column 11 of rotary column simultaneously, make the toper ring post 13 extrusion pressing block 14 of reference column 11 bottom slide outward and extrude well stopper ring lid 15 and support and carry out the sealed of water inlet 9 with delivery port 10 intercommunication department, it supports the stripper plate 17 and go up to alternate thin post 16 simultaneously, it supports the 3 inside walls of adjusting rotary column to extrude sealing washer 19 in reference column 11 inside, carry out internal seal.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stopper mechanism in choke valve, includes runner (1), reference column (11) and extrusion piece (14), its characterized in that: runner (1) is fixed to be set up and is being adjusted rotary column (3) top, screw thread solid fixed ring (4) are inboard including adjusting rotary column (3) shaft rotation setting, the fixed setting in valve body (6) upper end of internal thread solid fixed ring (4), honeycomb duct (7) are all being connected to valve body (6) both sides, honeycomb duct (7) top outside is encircleed and is being set up apical ring (5), honeycomb duct (7) inboard of valve body (6) one side is provided with water inlet (9), and inside delivery port (10) that is provided with of opposite side honeycomb duct (7), it is fixed supporting spring (18) to adjust rotary column (3) cavity inner bottom, supporting spring (18) top is fixed and is being set up stripper plate (17).

2. The choke plug mechanism according to claim 1, wherein: the water inlet (9) is communicated with the water outlet (10), the communication position is provided with the middle plug column (12) in a sliding mode, the outer side of the column body at the bottom end of the adjusting rotary column (3) is provided with the middle plug column (12) in a surrounding mode, the inner portion of the adjusting rotary column (3) is hollow, and the hollow internal thread is provided with the positioning column (11).

3. The choke plug mechanism according to claim 1, wherein: the top end shaft of the positioning column (11) penetrates through the rotating wheel (1) and is connected with the adjusting and controlling disc (2), the adjusting and controlling disc (2) is located at the upper end of the rotating wheel (1), the top end of the positioning column (11) is fixedly provided with a conical ring column (13), the adjusting and rotating column (3) is internally provided with an extrusion block (14) in the side wall in a sliding manner, and the conical ring column (13) abuts against the outer inclined surface of the extrusion block (14).

4. The choke plug mechanism according to claim 1, wherein: two extrusion blocks (14) are a set of mirror symmetry and slide to be set up in adjusting the side wall of rotating the post (3), and two extrusion blocks (14) pass and adjust the side wall of rotating the post (3) and be connected with well stopper ring cap (15), well stopper ring cap (15) are the rubber ring cap, and well stopper ring cap (15) encircle to set up in adjusting the outside of rotating the post (3).

5. The choke plug mechanism according to claim 1, wherein: the adjusting device is characterized in that a penetrating thin column (16) is arranged in the column body at the bottom end of the positioning column (11) in a sliding mode, an elongated slot is formed in the inner side of the positioning column (11), a sealing ring (19) is arranged in the elongated slot in a sliding mode, an inclined block is arranged on the inner side of the sealing ring (19) and abuts against the column body at the top end of the penetrating thin column (16), and the outer side face of the sealing ring (19) abuts against the inner side wall of the column body of the adjusting rotary column (3).

6. The choke plug mechanism according to claim 1, wherein: and a reinforcing rib (8) is arranged between the honeycomb duct (7) on the two sides of the valve body (6) and the internal thread fixing ring (4).