CN218935315U

CN218935315U - Flow regulating valve

Info

Publication number: CN218935315U
Application number: CN202223428334.8U
Authority: CN
Inventors: 刘升升; 代峰; 黄淦
Original assignee: Jingou Control Valve Group Co ltd
Current assignee: Jingou Control Valve Group Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-28
Anticipated expiration: 2032-12-21

Abstract

The utility model belongs to the technical field of valves, in particular to a flow regulating valve, which aims at the problem that a valve core in the existing flow regulating valve is inconvenient to detach, so that maintenance and replacement are time-consuming and labor-consuming after damage, and the utility model provides the following scheme that the flow regulating valve comprises: valve body, valve rod, case and installation component, the screw thread groove has been seted up at the top of case, the outside bottom of valve rod is provided with the external screw thread with the screw thread groove adaptation, and valve rod threaded connection is in the screw thread groove, the slot has all been seted up to the top both sides of case, the installation component includes locating plate solid fixed ring and two flange, gu fixed ring cup joints in the outside of valve rod, and the square groove has all been seted up to gu fixed ring's bottom both sides, and two flange sliding connection are in the square groove that corresponds respectively. According to the valve core mounting device, the mounting assembly and the valve rod are matched, so that the valve core can be quickly mounted and dismounted, and replacement and maintenance work can be conveniently carried out.

Description

Flow regulating valve

Technical Field

The utility model relates to the technical field of valves, in particular to a flow regulating valve.

Background

The small flow regulating valve mostly uses the shape of a valve core to regulate the flow of the valve, and when the medium pressure is high, the temperature is high and the flow is small, the valve core needs to be small to achieve the required small flow. The patent document with the publication number of CN107387785A discloses a micro flow regulating valve, which comprises a valve body, a valve seat, a valve rod, a valve core and a valve cover, wherein a valve body middle cavity is arranged in the valve body, a valve seat gasket is arranged at the lower end of the valve body middle cavity, a valve seat is arranged on the valve seat gasket, a micro flow guiding valve cage is arranged at the upper end of the valve seat, the lower end of the valve cover is connected with the micro flow guiding valve cage, a valve rod mounting hole is vertically arranged in the middle part of the valve body, and the valve rod is arranged in the valve rod mounting hole in a penetrating manner, so that the valve core in the disclosure is inconvenient to detach, and time and labor are wasted when maintenance and replacement are carried out after damage; we therefore propose a flow regulating valve to solve this problem.

Disclosure of Invention

The utility model aims to solve the defects that a valve core in the existing flow regulating valve is inconvenient to detach, so that maintenance and replacement are time-consuming and labor-consuming after the valve core is damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a flow regulating valve comprising: valve body, valve rod, case and installation component, the screw thread groove has been seted up at the top of case, the outside bottom of valve rod is provided with the external screw thread with the screw thread groove adaptation, and valve rod threaded connection is in the screw thread groove, the slot has all been seted up to the top both sides of case, the installation component includes locating plate solid fixed ring and two flange, gu fixed ring cup joints in the outside of valve rod, and the square groove has all been seted up to gu fixed ring's bottom both sides, two flange sliding connection respectively in the square groove that corresponds, and two flange activity joint respectively in the slot that corresponds, be provided with the disk seat in the valve body, case and disk seat looks adaptation.

Preferably, the installation component still includes two connecting plates and two locating levers, the bottom fixedly connected with connecting rod of connecting plate, the top at the bulge board that corresponds is seted up at the bottom of two connecting rods respectively fixed connection, and the spout has been seted up at the top of connecting plate, the equal fixed mounting of one end that two locating levers are close to each other has the slide, two slide sliding connection respectively in the spout that corresponds, and the spread groove has all been seted up to the top both sides of solid fixed ring, the spread groove has been seted up on the lateral wall of spread groove, two locating levers activity joint respectively in the spread groove that corresponds.

Preferably, a valve cover is fixedly arranged at the top of the valve body through a bolt, and the valve rod is slidably connected in the valve cover.

Preferably, the guide plates are fixedly connected to one sides of the two sliding plates, which are close to each other, and the guide grooves are formed in the inner walls of one sides of the two sliding grooves, which are close to each other, respectively and slidably connected in the corresponding guide grooves.

Preferably, two sides of the guide plates, which are close to each other, are fixedly connected with pressure springs, and one ends of the two pressure springs, which are close to each other, are fixedly connected with one side inner wall of the corresponding guide groove respectively.

Preferably, the top of the convex plate is fixedly connected with two return springs, and the top ends of the return springs are fixedly connected to the top inner walls of the corresponding square grooves.

Preferably, a sealing ring is arranged in the valve body, and the sealing ring is movably sleeved on the outer side of the valve rod.

According to the flow regulating valve, the valve rod is connected with the threaded groove formed in the top of the valve core in a matched mode, the valve core is fixed through the matching of the two convex plates and the corresponding slots, the vertical movement of the two convex plates is locked through the matching of the positioning rod and the positioning groove, so that the stability of fixing the valve core is improved, the valve core is driven to move vertically through the control valve rod, and the opening and closing control of the valve body is controlled through the matching of the valve core and the valve seat;

according to the flow regulating valve, the two sliding plates are pushed to move towards one side close to each other to drive the two positioning rods to approach each other, so that the two positioning rods are separated from the positioning grooves to release the fixation of the connecting plate, then the guide plate is pulled upwards to drive the connecting plate to move upwards, the convex plate is driven to move upwards through the connecting rod, the convex plate is separated from the slot, and then the valve rod is rotated to unscrew the convex plate from the threaded slot, so that the valve core is detached, and the valve core is convenient to maintain and replace;

the valve core is reasonable in structural design, and the valve core can be quickly installed and detached through the cooperation of the installation component and the valve rod, so that replacement and maintenance work are convenient to conduct.

Drawings

Fig. 1 is a schematic perspective view of a flow control valve according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a flow control valve according to the present utility model;

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

FIG. 4 is an enlarged view of a portion B of FIG. 3;

fig. 5 is a partial enlarged view of a portion C in fig. 4.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve core; 4. a valve stem; 5. a valve seat; 6. a fixing ring; 7. a seal ring; 8. a convex plate; 9. a square groove; 10. a connecting rod; 11. a chute; 12. a slide plate; 13. a positioning rod; 14. a guide plate; 15. a compression spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a flow regulating valve, comprising: valve body 1, valve rod 4, case 3 and installation component, there is valve gap 2 at the top of valve body 1 through bolt fixed mounting, be provided with sealing ring 7 in the valve body 1, sealing ring 7 activity cup joints in the outside of valve rod 4, valve rod 4 sliding connection is in valve gap 2, the screw thread groove has been seted up at the top of case 3, the outside bottom of valve rod 4 is provided with the external screw thread with the screw thread groove adaptation, and valve rod 4 threaded connection is in the screw thread groove, the slot has all been seted up at the top both sides of case 3, the installation component includes locating plate solid fixed ring 6 and two flange 8, gu fixed ring 6 cup joints in the outside of valve rod 4, and square groove 9 has all been seted up to the bottom both sides of gu fixed ring 6, two flange 8 sliding connection respectively in corresponding square groove 9, and two flange 8 activity joint are in corresponding slot respectively, be provided with disk seat 5 in the valve body 1, case 3 and disk seat 5 looks adaptation, the top fixedly connected with two reset springs of flange 8, reset spring's top fixed connection is on the top inner wall of corresponding square groove 9, reset to flange 8.

In this embodiment, the installation component still includes two connecting plates and two locating levers 13, the bottom fixedly connected with connecting rod 10 of connecting plate, the bottom of two connecting rods 10 respectively fixed connection is at the top of the flange 8 that corresponds, and spout 11 has been seted up at the top of connecting plate, the equal fixed mounting slide 12 of one end that two locating levers 13 are close to each other, two slide 12 sliding connection respectively in the spout 11 that corresponds, and the spread groove has all been seted up to the top both sides of solid fixed ring 6, the constant head tank has been seted up on the lateral wall of spread groove, two locating levers 13 movable joint respectively in the constant head tank that corresponds, fix a position case 3, the equal fixedly connected with deflector 14 of one side that two slide 12 are close to each other, the guide slot has all been seted up on the inner wall of one side that two slide 11 are close to each other, two deflector 14 are sliding connection respectively in the guide slot that corresponds, the equal fixedly connected with pressure spring 15 of one side that two deflector 14 are close to each other, the one end that two deflector 15 are close to each other is respectively with the one side inner wall fixed connection of corresponding guide slot, reset the pressure spring of deflector 14.

In this embodiment, when in use, the connection is realized through the cooperation of the thread groove of valve rod 4 and the valve core 3 top offer, and realize the fixed to valve core 3 through the cooperation of two flange plates 8 and corresponding slot, the cooperation through locating lever 13 and constant head tank locks the vertical removal of two flange plates 8, thereby promote the fixed stability to valve core 3, drive the vertical removal of valve core 3 through control valve rod 4, control the open and shut control of valve body 1 through the cooperation of valve core 3 and disk seat 5, through promoting the movement of two slide 12 to the one side that is close to each other, drive two locating levers 13 and be close to each other, make two locating levers 13 break away from the constant head tank and relieve the fixation to the connecting plate, then upwards pulling deflector 14 drives the connecting plate upward movement, and drive flange plate 8 upward movement through connecting rod 10, make flange plate 8 break away from the slot, then swivel valve rod 4 is with it follow the thread inslot, thereby realize the dismantlement work to valve core 3, with convenient maintenance and change.

The flow regulating valve provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A flow regulating valve, comprising: valve body (1), valve rod (4), case (3) and installation component, the screw thread groove has been seted up at the top of case (3), the outside bottom of valve rod (4) is provided with the external screw thread with the screw thread groove adaptation, and valve rod (4) threaded connection is in the screw thread inslot, the slot has all been seted up at the top both sides of case (3), installation component includes fixed ring (6) of locating plate and two flange (8), fixed ring (6) cup joints in the outside of valve rod (4), and square groove (9) have all been seted up to the bottom both sides of fixed ring (6), and two flange (8) sliding connection respectively in square groove (9) that correspond, and two flange (8) movable joint respectively are in the slot that corresponds, be provided with disk seat (5) in valve body (1), case (3) and disk seat (5) looks adaptation.

2. The flow regulating valve according to claim 1, wherein the mounting assembly further comprises two connecting plates and two positioning rods (13), the bottoms of the connecting plates are fixedly connected with connecting rods (10), the bottoms of the two connecting rods (10) are respectively and fixedly connected to the tops of the corresponding convex plates (8), the tops of the connecting plates are provided with sliding grooves (11), sliding plates (12) are fixedly mounted at one ends, close to each other, of the two positioning rods (13), the two sliding plates (12) are respectively and slidably connected in the corresponding sliding grooves (11), connecting grooves are respectively and fixedly arranged at two sides of the top of the fixed ring (6), positioning grooves are respectively and movably clamped in the corresponding positioning grooves, and the two positioning rods (13) are respectively and fixedly clamped in the corresponding positioning grooves.

3. A flow regulating valve according to claim 1, characterized in that the top of the valve body (1) is fixedly provided with a valve cover (2) by means of bolts, and the valve rod (4) is slidably connected in the valve cover (2).

4. A flow regulating valve according to claim 2, characterized in that the two sliding plates (12) are fixedly connected with guide plates (14) on the sides close to each other, guide grooves are formed in the inner walls of the two sliding grooves (11) on the sides close to each other, and the two guide plates (14) are respectively and slidably connected in the corresponding guide grooves.

5. A flow regulating valve according to claim 4, characterized in that the two guide plates (14) are fixedly connected with compression springs (15) on one side close to each other, and one ends of the two compression springs (15) close to each other are fixedly connected with one side inner wall of the corresponding guide groove respectively.

6. A flow regulating valve according to claim 1, characterized in that the top of the convex plate (8) is fixedly connected with two return springs, the top ends of which are fixedly connected to the top inner walls of the corresponding square grooves (9).

7. A flow regulating valve according to claim 1, characterized in that a sealing ring (7) is arranged in the valve body (1), and the sealing ring (7) is movably sleeved on the outer side of the valve rod (4).