CN219755356U - Straight-through stop valve - Google Patents

Straight-through stop valve Download PDF

Info

Publication number
CN219755356U
CN219755356U CN202321317725.4U CN202321317725U CN219755356U CN 219755356 U CN219755356 U CN 219755356U CN 202321317725 U CN202321317725 U CN 202321317725U CN 219755356 U CN219755356 U CN 219755356U
Authority
CN
China
Prior art keywords
valve
straight
valve rod
wall
guide cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321317725.4U
Other languages
Chinese (zh)
Inventor
张文滔
张文略
汪玲洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Yongqiang Valve Manufacturing Co ltd
Original Assignee
Fujian Yongqiang Valve Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Yongqiang Valve Manufacturing Co ltd filed Critical Fujian Yongqiang Valve Manufacturing Co ltd
Priority to CN202321317725.4U priority Critical patent/CN219755356U/en
Application granted granted Critical
Publication of CN219755356U publication Critical patent/CN219755356U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lift Valve (AREA)

Abstract

The utility model discloses a straight-through stop valve, which comprises a valve pipe, wherein a valve seat folded plate is fixedly arranged in the valve pipe, a water outlet hole is formed in the middle of the valve seat folded plate, a shutoff valve core is arranged at the top of the water outlet hole in a squeezing mode, a valve rod is fixedly arranged at the top of the shutoff valve core, a guide cylinder is arranged on the outer side of the valve rod, an installation cylinder is fixedly connected with the outer wall of the guide cylinder, a fixed plate is fixedly arranged at the top end of the installation cylinder, limiting blocks are symmetrically arranged at the top of the fixed plate, and rotary clamping plates are symmetrically arranged on the outer wall of the top end of the valve rod. This straight-through stop valve, when intercepting the medium, directly push down the valve rod and drive the case extrusion seal of intercepting at the top of apopore, rotatory valve rod is spacing inside the stopper with rotatory cardboard again, can carry out the operation of intercepting the medium to shorten the operation time of intercepting of straight-through stop valve, make the time delay nature that lightens to intercept, facilitate the operation of user simultaneously and use.

Description

Straight-through stop valve
Technical Field
The utility model relates to the technical field of straight-through stop valves, in particular to a straight-through stop valve.
Background
The through stop valve is characterized by that it utilizes valve rod pressure to tightly combine valve clack sealing surface with valve seat sealing surface to prevent medium from flowing, and in the course of opening and closing, the friction force between sealing surfaces is small, wear-resisting, opening height is small and its manufacturing process property is good, etc. it is a valve which is most extensively used in industrial department, but the through stop valve which is commonly used also has some defects.
The existing straight-through stop valve in the market is used, the valve rod is screwed to push down the valve closure valve core to tightly attach the valve clack to the valve seat, and then the water flow hole is blocked to enable the valve closure medium to flow, but when the straight-through stop valve is operated, the valve rod can be driven by the hand wheel to move downwards to close after rotating for a few circles, and then the cut-off operation is enabled to have certain time delay when the straight-through stop valve is operated, so that the medium cannot be blocked, the circulation usage amount of the medium can be influenced, meanwhile, the valve rod is repeatedly rotated in the valve body to easily cause abrasion of the valve rod and the valve body, and the service life of the straight-through stop valve is reduced.
Disclosure of Invention
The utility model aims to provide a straight-through stop valve, which solves the problems that the cut-off speed is low, the cut-off has certain delay, and the circulation use amount of a medium is poor to control in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a straight-through stop valve, includes the valve pipe, the inside fixed mounting of valve pipe has the disk seat folded plate, and the apopore has been seted up at the middle part of disk seat folded plate, the top extrusion of apopore is provided with the case that intercepts, and the top fixed mounting of the case that intercepts has the valve rod, the outside of valve rod is provided with the guide cylinder, and the outer wall fixedly connected with installation section of thick bamboo of guide cylinder, the top fixed mounting of installation section of thick bamboo has the fixed plate, and the top symmetry of fixed plate installs the stopper, the top outer wall symmetry of valve rod is provided with rotatory cardboard.
Preferably, both sides of disk seat folded plate are slope form structure, and the middle part level of disk seat folded plate sets up in the inside of valve pipe, the apopore is seted up in the middle part position of disk seat folded plate, and the perpendicular top that sets up at the apopore of case that just intercepts, the top fixedly connected with fixed seal circle of disk seat folded plate, and fixed seal circle sets up at the top edge of apopore.
Preferably, the top and the bottom of the shutoff valve core are fixedly connected with movable sealing rings, the shutoff valve core is arranged at the top of the water outlet hole in a sealing way through the movable sealing rings and the fixed sealing rings, and the shutoff valve core is in sealing connection with the bottom end of the guide cylinder through the movable sealing rings after moving.
Preferably, the outer wall fixedly connected with spring of valve rod, and the top fixed connection of spring is at the inner wall of guide cylinder, spring bottom fixed connection is at the outer wall of valve rod, and the inner wall fixed mounting of guide cylinder has sealed.
Preferably, the valve rod is arranged on the inner side of the upper seal in a moving mode, a hand wheel is fixedly arranged at the top end of the valve rod, the upper seal is composed of a plurality of sealing rings, and the sealing rings are attached to the outer wall of the valve rod.
Preferably, the installation cylinder is fixedly installed on the inner wall of the top of the valve pipe, the fixing plate is fixedly installed on the top of the installation cylinder, and the guide cylinder is installed inside the installation cylinder and the fixing plate in a penetrating mode.
Preferably, an upper limit groove is formed in one side of the limiting block, a lower limit groove is formed in one side of the limiting block, the rotary clamping plate is clamped and arranged on the inner side of the lower limit groove, and one side of the rotary clamping plate is of an arc-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that: the straight-through stop valve;
1. through the arrangement of the structures such as the valve rod, the rotary clamping plate and the limiting block, when the medium is intercepted, the valve rod is directly pressed down to drive the intercepting valve core to be extruded and sealed at the top of the water outlet, and then the rotary clamping plate is limited inside the limiting block by the rotary valve rod, so that the intercepting operation of the medium can be carried out, the intercepting operation time of the straight-through type stop valve is shortened, the intercepting time delay is reduced, meanwhile, the use of the cut-through type stop valve is convenient to operate by a user, the quick intercepting use of the straight-through type stop valve is further facilitated, meanwhile, the rotary movement degree of the valve rod in the valve body is reduced, and the abrasion of the valve rod and the valve body is further reduced, so that the service life of the straight-through type stop valve is ensured;
2. through the setting of fixed sealing washer, remove sealing washer and spring isotructure, conveniently when the case pushes down of closure, remove sealing washer and fixed sealing washer through closure valve core bottom will closure valve core and apopore seal, avoid the medium to appear leaking the class condition after closure, increase the pressure of closure valve core to the apopore through the extrusion of spring simultaneously, and move the back on closure valve core, remove the sealing washer through the top and seal closure valve core and guide cylinder, seal guide cylinder inside through last seal simultaneously, and then avoid the medium to flow out the valve body, consequently improve the sealed effect that straight-through stop valve used.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the rotating card of the present utility model after rotation;
FIG. 3 is a schematic view of the movement of the shut-off valve spool of the present utility model;
fig. 4 is a schematic view of the internal structure of the guide cylinder of the present utility model.
In the figure: 1. a valve tube; 2. a valve seat folded plate; 3. a water outlet hole; 4. fixing a sealing ring; 5. a shut-off valve core; 6. moving the sealing ring; 7. a valve stem; 8. a guide cylinder; 9. a spring; 10. sealing up; 11. a mounting cylinder; 12. a fixing plate; 13. rotating the clamping plate; 14. a limiting block; 15. an upper limit groove; 16. and a lower limit groove.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example one:
referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a straight-through stop valve, including valve pipe 1, valve pipe 1's inside fixed mounting has disk seat folded plate 2, and disk seat folded plate 2's middle part has seted up apopore 3, disk seat folded plate 2's both sides are the slope form structure, and disk seat folded plate 2's middle part level sets up in valve pipe 1's inside, apopore 3 sets up in disk seat folded plate 2's middle part position, and the perpendicular top that sets up of shutoff case 5 at apopore 3, disk seat folded plate 2's top fixedly connected with fixed seal circle 4, and fixed seal circle 4 sets up at apopore 3's top edge, the top extrusion of apopore 3 is provided with shutoff case 5, and the top fixed mounting of shutoff case 5 has valve rod 7;
the outside of valve rod 7 is provided with guide cylinder 8, and guide cylinder 8's outer wall fixedly connected with installation section of thick bamboo 11, installation section of thick bamboo 11's top fixed mounting has fixed plate 12, and the top symmetry of fixed plate 12 installs stopper 14, valve rod 7's top outer wall symmetry is provided with rotatory cardboard 13, installation section of thick bamboo 11 fixed mounting is at valve pipe 1's top inner wall, and fixed plate 12 fixed mounting is at installation section of thick bamboo 11's top, guide cylinder 8 runs through the inside of installing section of thick bamboo 11 and fixed plate 12, upper limit groove 15 has been seted up to one side of stopper 14, and lower limit groove 16 has been seted up to one side of stopper 14, rotatory cardboard 13 block sets up in lower limit groove 16 inboard, and one side of rotatory cardboard 13 is the arc structure;
when the medium is intercepted, the valve rod 7 is directly pressed down to drive the intercepting valve core 5 to be extruded and sealed at the top of the water outlet hole 3, and then the valve rod 7 is rotated to limit the rotary clamping plate 13 in the limiting block 14, so that the medium can be intercepted, the intercepting operation time of the straight-through type stop valve is shortened, and the intercepting delay is reduced;
meanwhile, the operation and the use of a user are facilitated, the rapid interception and the use of the straight-through stop valve are further facilitated, the rotation angle of the valve rod 7 in the valve body is reduced, the moving distance is shortened, the rotation and the moving degree of the valve rod 7 in the valve body are further reduced, the abrasion of the valve rod 7 and the valve body is reduced, and the service life of the straight-through stop valve is ensured;
example two:
on the basis of the first example, in order to increase the tightness of the straight-through shutoff valve and avoid the internal and external leakage of the straight-through shutoff valve, referring to fig. 3 and 4, the top and the bottom of the shutoff valve core 5 are fixedly connected with a movable sealing ring 6, the shutoff valve core 5 is arranged at the top of the water outlet hole 3 in a sealing way through the movable sealing ring 6 and a fixed sealing ring 4, the shutoff valve core 5 is in sealing connection with the bottom end of the guide cylinder 8 through the movable sealing ring 6 after moving, the outer wall of the valve rod 7 is fixedly connected with a spring 9, and the top end of the spring 9 is fixedly connected with the inner wall of the guide cylinder 8;
the bottom end of the spring 9 is fixedly connected to the outer wall of the valve rod 7, an upper seal 10 is fixedly arranged on the inner wall of the guide cylinder 8, the valve rod 7 is movably arranged on the inner side of the upper seal 10, a hand wheel is fixedly arranged on the top end of the valve rod 7, the upper seal 10 is composed of a plurality of sealing rings, and the sealing rings are attached to the outer wall of the valve rod 7;
when the shutoff valve core 5 is pressed down, the movable sealing ring 6 and the fixed sealing ring 4 at the bottom of the shutoff valve core 5 are used for sealing the shutoff valve core 5 and the water outlet 3, so that the condition of leakage flow of a medium after shutoff is avoided, and meanwhile, the pressure of the shutoff valve core 5 to the water outlet 3 is increased through the extrusion of the spring 9;
after the shutoff valve core 5 moves upwards, the shutoff valve core 5 and the guide cylinder 8 are sealed through the movable sealing ring 6 at the top, meanwhile, the guide cylinder 8 is sealed through the upper seal 10, and then a medium is prevented from flowing out of the valve body, so that the sealing effect of the through type stop valve is improved, the leakage condition inside the valve body is avoided, and the leakage condition outside the valve body is avoided.
Working principle: when the straight-through stop valve is used, the hand wheel is held to rotate the valve rod 7, so that the rotary clamping plate 13 moves out of the inner side of the upper limit groove 15 of the limit block 14, then the valve rod 7 is pressed downwards, the shutoff valve core 5 is pressed and attached to the top of the water outlet hole 3, and meanwhile the fixed sealing ring 4 and the movable sealing ring 6 at the bottom are used for pressing, so that the shutoff valve core 5 and the water outlet hole 3 are sealed, and a medium is intercepted;
after the valve rod 7 moves, the valve rod 7 rotates again, and then the rotating clamping plate 13 enters the inner side of the lower limiting groove 16, so that the valve rod 7 is limited, and meanwhile, the spring 9 extrudes the valve rod 7, so that the sealing of the shutoff valve core 5 to the water outlet 3 is increased;
when medium circulation is needed, the valve rod 7 drives the rotary clamping plate 13 to rotate to move out of the inner side of the lower limit groove 16, then the valve rod 7 drives the shutoff valve core 5 upwards to move, the water outlet hole 3 is opened for circulating medium, then the valve rod 7 drives the rotary clamping plate 13 to rotate, the rotary clamping plate 13 enters the inner side of the upper limit groove 15, and therefore the valve rod 7 is positioned, and the operation and the use of the straight-through shutoff valve are facilitated.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A straight-through shut-off valve comprising a valve tube (1), characterized in that: valve seat folded plate (2) is fixedly installed in the valve pipe (1), and apopore (3) have been seted up at the middle part of valve seat folded plate (2), the top extrusion of apopore (3) is provided with shutoff case (5), and the top fixed mounting of shutoff case (5) has valve rod (7), the outside of valve rod (7) is provided with guide cylinder (8), and the outer wall fixedly connected with installation section of thick bamboo (11) of guide cylinder (8), the top fixed mounting of installation section of thick bamboo (11) has fixed plate (12), and stopper (14) are installed to the top symmetry of fixed plate (12), the top outer wall symmetry of valve rod (7) is provided with rotatory cardboard (13).
2. The straight-through stop valve according to claim 1, wherein both sides of the valve seat folded plate (2) are of an inclined structure, the middle part of the valve seat folded plate (2) is horizontally arranged in the valve pipe (1), the water outlet hole (3) is formed in the middle part of the valve seat folded plate (2), the shutoff valve core (5) is vertically arranged at the top of the water outlet hole (3), the top of the valve seat folded plate (2) is fixedly connected with a fixed sealing ring (4), and the fixed sealing ring (4) is arranged at the top edge of the water outlet hole (3).
3. The straight-through stop valve according to claim 1, wherein the top and the bottom of the shutoff valve core (5) are fixedly connected with a movable sealing ring (6), the shutoff valve core (5) is arranged at the top of the water outlet hole (3) in a sealing way through the movable sealing ring (6) and the fixed sealing ring (4), and the shutoff valve core (5) is in sealing connection with the bottom end of the guide cylinder (8) through the movable sealing ring (6) after moving.
4. The straight-through stop valve according to claim 1, wherein the outer wall of the valve rod (7) is fixedly connected with a spring (9), the top end of the spring (9) is fixedly connected to the inner wall of the guide cylinder (8), the bottom end of the spring (9) is fixedly connected to the outer wall of the valve rod (7), and the inner wall of the guide cylinder (8) is fixedly provided with an upper seal (10).
5. A straight-through stop valve according to claim 1, characterized in that the valve rod (7) is movably arranged on the inner side of the upper seal (10), a hand wheel is fixedly arranged at the top end of the valve rod (7), the upper seal (10) consists of a plurality of sealing rings, and the sealing rings are attached to the outer wall of the valve rod (7).
6. A straight-through stop valve according to claim 1, characterized in that the mounting cylinder (11) is fixedly mounted on the top inner wall of the valve tube (1), the fixing plate (12) is fixedly mounted on the top of the mounting cylinder (11), and the guide cylinder (8) is penetratingly mounted inside the mounting cylinder (11) and the fixing plate (12).
7. The straight-through stop valve according to claim 1, wherein an upper limit groove (15) is formed in one side of the limit block (14), a lower limit groove (16) is formed in one side of the limit block (14), the rotary clamping plate (13) is clamped and arranged on the inner side of the lower limit groove (16), and one side of the rotary clamping plate (13) is of an arc-shaped structure.
CN202321317725.4U 2023-05-29 2023-05-29 Straight-through stop valve Active CN219755356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321317725.4U CN219755356U (en) 2023-05-29 2023-05-29 Straight-through stop valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321317725.4U CN219755356U (en) 2023-05-29 2023-05-29 Straight-through stop valve

Publications (1)

Publication Number Publication Date
CN219755356U true CN219755356U (en) 2023-09-26

Family

ID=88074457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321317725.4U Active CN219755356U (en) 2023-05-29 2023-05-29 Straight-through stop valve

Country Status (1)

Country Link
CN (1) CN219755356U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118462908A (en) * 2024-07-11 2024-08-09 泰州市中蓝环保机械有限公司 Shut-off valve capable of automatically shutting off according to water quantity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118462908A (en) * 2024-07-11 2024-08-09 泰州市中蓝环保机械有限公司 Shut-off valve capable of automatically shutting off according to water quantity

Similar Documents

Publication Publication Date Title
CN219755356U (en) Straight-through stop valve
CN209638435U (en) A kind of ball valve of seat pressure self-sealing
CN201621307U (en) Non-rising stem butterfly knife gate valve
CN109139938B (en) Stop valve
CN215172277U (en) Low-temperature stop valve with non-return function
CN212775608U (en) Throttle stop valve
CN213512164U (en) Low-temperature gate valve with good sealing performance and easy cleaning
CN210566370U (en) Gate valve capable of guaranteeing sealing performance of valve
CN219866278U (en) Stop valve for power station that leakproofness is strong
CN220302801U (en) High-tightness small valve body
CN212745140U (en) Take non return to filter ball valve
CN220688124U (en) Water stop valve for secondary water supply
CN218992507U (en) Flange type instrument valve group for petroleum pipeline
CN220850761U (en) Anti-overflow stop valve
CN220286556U (en) Y-shaped packing sealing stop valve
CN220910486U (en) High-temperature electric stop valve
CN209839179U (en) Forced closed stop valve for air compressor
CN216789282U (en) Novel double-open gate valve
CN218845143U (en) Butterfly valve with multiple sealing structure
CN221762621U (en) Filling stop valve
CN221196111U (en) Pressure release straight-through type sealing stop valve
CN220286464U (en) Two-way self-sealing low flow resistance sphere butterfly valve
CN220286427U (en) Hydraulic stop valve with corrugated pipe
CN219282473U (en) Gate valve with high sealing performance
CN218267300U (en) Flange gate valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant