CN216843323U - Stable sealing type check valve based on pipeline transportation - Google Patents

Stable sealing type check valve based on pipeline transportation Download PDF

Info

Publication number
CN216843323U
CN216843323U CN202220016489.1U CN202220016489U CN216843323U CN 216843323 U CN216843323 U CN 216843323U CN 202220016489 U CN202220016489 U CN 202220016489U CN 216843323 U CN216843323 U CN 216843323U
Authority
CN
China
Prior art keywords
flange
check valve
fixed
block
rotating
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
CN202220016489.1U
Other languages
Chinese (zh)
Inventor
韩勇
余正可
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.)
Shanghai Huadian Valve Group Co ltd
Original Assignee
Shanghai Huadian Valve Group 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 Shanghai Huadian Valve Group Co ltd filed Critical Shanghai Huadian Valve Group Co ltd
Priority to CN202220016489.1U priority Critical patent/CN216843323U/en
Application granted granted Critical
Publication of CN216843323U publication Critical patent/CN216843323U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Check Valves (AREA)

Abstract

The utility model discloses a stable sealing type check valve based on pipeline transportation, which belongs to the technical field of check valves, the utility model comprises a check valve body, fixed plates are fixedly arranged at both ends of a flange, a spring telescopic rod is fixedly arranged at one end of the fixed plate, an installation block is fixedly arranged at one end of the spring telescopic rod, a rotating block is embedded and arranged at one end inside the installation block, a rotating plate is fixedly arranged at one end of the rotating block, a positioning cylinder is fixedly arranged at one end of the rotating plate, a fixing screw rod is fixedly arranged at one end of the installation block, compared with the prior art, the utility model has the advantages that the problem that the flange shakes in the installation process is avoided, and the phenomenon that the installation hole is misplaced is further caused, the problem that the flange is inconvenient to install is caused, the efficiency of the installation flange is further improved, and the difficulty of the installation flange is reduced, and the flange can be secondarily connected and fixed, so that the stability of flange connection is further ensured.

Description

Stable sealing type check valve based on pipeline transportation
Technical Field
The utility model relates to a check valve technical field specifically is stable canned type check valve based on pipeline transportation.
Background
The check valve is a valve whose opening and closing member is a circular valve clack and can produce action by self-weight and medium pressure to block back flow of medium, belonging to the automatic valve class, also called back-flow valve, check valve, back-flow valve or isolating valve, and its clack movement mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the back-flow valve, and only lacks of valve rod for driving the valve clack, the medium can be flowed in from inlet end (lower side) and flowed out from outlet end (upper side), when the inlet pressure is greater than the sum of weight of the valve clack and its flow resistance, the valve can be opened, otherwise, when the medium is back-flowed, the valve can be closed, and the swing type check valve has a valve clack which is obliquely placed and can be rotated around shaft, its working principle is similar to that of lifting type check valve, and the check valve is commonly used as bottom valve of water-pumping device, and can block back flow of water, and the check valve and stop valve can be used in combination to play the role of safety isolation.
In the better high pressure check valve of leakproofness that application number is 202120644285.8 provides, water can be through the inhalant canal during the rivers passageway is discharged, the protection shield can provide certain cushioning effect, then water can extrude the choked flow piece, choked flow piece atress extrusion connecting rod, alright drive the choked flow piece upward movement, water alright discharge through the exhalant canal on right side, when pressure is not enough, the spring is because the resilience force can reset, drive the choked flow piece downstream, realize choked flow's effect, alright prevent the backward flow.
However, in the installation process of the check valve, the check valve is required to be held by a worker, so that the problem that the check valve is moved and shaken easily occurs in the installation process, and then the mounting hole on the flange is staggered, so that the problem that the check valve is inconvenient to install occurs, and the problem that the installation efficiency of the check valve is low occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stable canned type check valve based on pipeline transportation to this check valve that proposes in solving above-mentioned background art needs the handheld check valve of staff in the installation, has resulted in the installation, and the problem that the check valve appears removing easily and rocks, and then has resulted in the mounting hole dislocation on the flange, thereby has resulted in being not convenient for to the problem of installing the check valve to appear, leads to the problem that check valve installation effectiveness is low.
In order to solve the technical problem, the utility model provides a following technical scheme: the stable sealing type check valve based on pipeline transportation comprises a check valve body, wherein flanges are welded at two ends of the check valve body, a fixed positioning assembly is mounted at one end of each flange, and the fixed positioning assembly is mainly formed by combining a positioning cylinder, a fixed screw, a nut, a spring telescopic rod and a rotating plate, wherein the fixed screw, the nut, the spring telescopic rod and the rotating plate are used for driving the fixed positioning cylinder;
and a sealing assembly is arranged on the outer side of the flange, and the sealing assembly is mainly formed by combining a moving ring, a rubber ring and a moving screw rod for driving.
Preferably, the fixed positioning assembly comprises a fixed plate, a spring telescopic rod, an installation block, a rotating plate, a positioning cylinder, a fixed screw and a nut;
the flange is characterized in that fixed plates are fixedly mounted at two ends of the flange, a spring telescopic rod is fixedly mounted at one end of each fixed plate, a mounting block is fixedly mounted at one end of each spring telescopic rod, a rotating block is embedded into one end of each mounting block, a rotating plate is fixedly mounted at one end of each rotating block, a positioning barrel is fixedly mounted at one end of each rotating plate, a fixing screw rod is fixedly mounted at one end of each mounting block, and nuts are connected to the outer sides of the fixing screws through threads.
Preferably, a rotating groove is formed in the position, corresponding to the rotating block, of the mounting block, the rotating block is movably embedded in the rotating groove, and the outer diameter of the rotating block is equal to the inner diameter of the rotating groove.
Preferably, the fixing screw penetrates through the positioning cylinder and the fixing plate, and one end face of the nut can be in contact with one end face of the fixing plate.
Preferably, the outer diameter of the positioning cylinder is equal to the inner diameter of the mounting hole in the flange, and a corresponding hole is formed in the position, corresponding to the mounting hole in the flange, of the fixing plate.
Preferably, the sealing assembly comprises a fixed block, a movable screw, a movable ring and a rubber ring;
the flange outside one end fixed mounting has the fixed block, there is the removal screw rod fixed block inside through threaded connection, removal screw rod one end movable mounting has the removal circle, it has the rubber circle to remove the inside bonding of circle.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. be provided with fixed positioning component, avoided the flange problem of rocking to appear in the installation, and then leaded to the phenomenon that the dislocation appears in the mounting hole, lead to the problem of being not convenient for carry out the installation to the flange to appear, and then improve mounting flange's efficiency, reduce mounting flange's the degree of difficulty, and can carry out the secondary connection to the flange and fix, further guarantee flange joint's stability.
2. Be provided with seal assembly, can seal interface position department, improve the sealed effect of interface position department, avoided appearing revealing the condition appearing in the check valve body use and appeared, further guaranteed the security that the check valve body used.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a stable sealing type check valve for pipeline transportation according to the present invention;
FIG. 2 is a schematic structural view of the fixing and positioning assembly of the present invention;
fig. 3 is a schematic structural view of the sealing assembly of the present invention;
in the figure: 1. a check valve body;
2. fixing the positioning component; 201. a fixing plate; 202. a spring telescopic rod; 203. mounting blocks; 204. rotating the block; 205. a rotating plate; 206. a positioning cylinder; 207. fixing the screw rod; 208. a nut;
3. a seal assembly; 301. a fixed block; 302. moving the screw; 303. moving the ring; 304. a rubber ring;
4. and (4) a flange.
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.
Referring to fig. 1-3, the present invention provides a technical solution: the stable sealing type check valve based on pipeline transportation comprises a check valve body 1, flanges 4 are welded at two ends of the check valve body 1, a fixed positioning assembly 2 is mounted at one end of each flange 4, and each fixed positioning assembly 2 comprises a fixed plate 201, a spring telescopic rod 202, a mounting block 203, a rotating block 204, a rotating plate 205, a positioning cylinder 206, a fixed screw 207 and a nut 208;
the two ends of the flange 4 are fixedly provided with a fixed plate 201, one end of the fixed plate 201 is fixedly provided with a spring telescopic rod 202, one end of the spring telescopic rod 202 is fixedly provided with an installation block 203, one end inside the installation block 203 is embedded with a rotating block 204, the position of the installation block 203 corresponding to the rotating block 204 is provided with a rotating groove, the rotating block 204 is movably embedded and installed inside the rotating groove, the outer diameter of the rotating block 204 is equal to the inner diameter of the rotating groove, the problem that the rotating block 204 falls off is avoided, and the rotating block 204 is enabled to rotate more stably, one end of the rotating block 204 is fixedly provided with a rotating plate 205, one end of the rotating plate 205 is fixedly provided with a positioning cylinder 206, the outer diameter of the positioning cylinder 206 is equal to the inner diameter of an installation hole on the flange 4, the position of the fixed plate 201 corresponding to the installation hole on the flange 4 is provided with a corresponding hole, the connection of the two flanges 4 is convenient, and the flange 4 can be more stable in the connection process, make things convenient for fixing bolt's installation, installation piece 203 one end fixed mounting has set screw 207, and set screw 207 runs through a location section of thick bamboo 206 and fixed plate 201, and a nut 208 terminal surface can contact each other with a fixed plate 201 terminal surface, is convenient for to install piece 203 fixed, and then can carry out the secondary to flange 4 and fix for flange 4 is fixed more stable, and there is nut 208 in the set screw 207 outside through threaded connection.
Sealing assembly 3 is installed in the flange 4 outside, and sealing assembly 3 includes fixed block 301, removal screw rod 302, removal circle 303 and rubber circle 304, and 4 outside one end fixed mounting of flange has fixed block 301, and fixed block 301 is inside to have removal screw rod 302 through threaded connection, and removal screw rod 302 one end movable mounting has removal circle 303, and the inside bonding of removal circle 303 has rubber circle 304.
The utility model discloses a theory of operation: when a worker installs the check valve body 1, the worker firstly rotates the rotating plate 205 to prevent the positioning cylinder 206 from contacting the flange 4, then the worker coincides the two mounting holes of the flange 4, then the worker rotates the rotating plate 205 again, and moves the rotating plate 205 in the rotating process to stretch the spring telescopic rod 202, so as to drive the positioning cylinder 206 to move and rotate, the positioning cylinder 206 is moved into the two aligned mounting holes of the flange 4 to perform a primary fixing and positioning on the flange 4 connection, then the worker drives the nut 208 to connect with the fixing screw 207 through the thread by installing the nut 208, and after one end of the nut 208 contacts with the fixing plate 201, then the nut 208 is rotated to drive the fixing screw 207 to move in the rotating process, and the fixing screw 207 is fixedly connected with the mounting block 203 to drive the mounting block 203 to move, and because clamping screw 207 and fixed plate 201, through connection between the spring telescopic link 202, thereby make fixed block 203 drive the expansion end removal of spring telescopic link 202, and then can be fixed with installation piece 203, thereby it is fixed with a location section of thick bamboo 206, the staff passes through fixing bolt with flange 4 fixed connection afterwards, the problem of rocking has been avoided flange 4 to appear in the installation, and then the phenomenon of dislocation appears in having led to the mounting hole, the problem that leads to being not convenient for to install flange 4 appears, and then improve mounting flange 4's efficiency, reduce mounting flange 4's the degree of difficulty, and can carry out the secondary connection to flange 4 and fix, further guarantee the stability of flange 4 connection.
After two flange 4 connect the completion, the staff removes screw rod 302 through rotating, make removal screw rod 302 remove, the removal through removing screw rod 302 drives removal circle 303 and removes, the removal through removing circle 303 drives rubber circle 304 and removes, remove rubber circle 304 to the 4 interface outsides of two flanges, seal interface position department, improve the sealed effect of interface position department, the condition of revealing has been avoided appearing in the use of check valve body 1 and has appeared, the security of check valve body 1 use has further been guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 above, 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 (6)

1. Stable canned type check valve based on pipeline transportation, including check valve body (1), flange (4), its characterized in that have all been welded at check valve body (1) both ends: a fixed positioning component (2) is mounted at one end of the flange (4), and the fixed positioning component (2) is mainly formed by combining a positioning cylinder (206), a fixed screw rod (207) for driving the fixed positioning cylinder (206), a nut (208), a spring telescopic rod (202) and a rotating plate (205);
and a sealing assembly (3) is arranged on the outer side of the flange (4), and the sealing assembly (3) is mainly formed by combining a movable ring (303), a rubber ring (304) and a movable screw (302) for driving.
2. The stable sealing type check valve for pipeline transportation according to claim 1, wherein: the fixed positioning assembly (2) comprises a fixed plate (201), a spring telescopic rod (202), an installation block (203), a rotating block (204), a rotating plate (205), a positioning cylinder (206), a fixed screw (207) and a nut (208);
the equal fixed mounting in flange (4) both ends has fixed plate (201), fixed plate (201) one end fixed mounting has spring telescopic link (202), spring telescopic link (202) one end fixed mounting has installation piece (203), turning block (204) are installed in the inside one end embedding of installation piece (203), turning block (204) one end fixed mounting has rotor plate (205), rotor plate (205) one end fixed mounting has a location section of thick bamboo (206), installation piece (203) one end fixed mounting has clamping screw (207), clamping screw (207) outside has nut (208) through threaded connection.
3. The stable sealing type check valve for pipeline transportation according to claim 2, wherein: the installation block (203) is provided with a rotating groove corresponding to the rotating block (204), the rotating block (204) is movably embedded in the rotating groove, and the outer diameter of the rotating block (204) is equal to the inner diameter of the rotating groove.
4. The stable sealing type check valve for pipeline transportation according to claim 2, wherein: the fixing screw rod (207) penetrates through the positioning cylinder (206) and the fixing plate (201), and one end face of the nut (208) can be in contact with one end face of the fixing plate (201).
5. The stable sealing type check valve for pipeline transportation according to claim 2, wherein: the outer diameter of the positioning cylinder (206) is equal to the inner diameter of a mounting hole in the flange (4), and a corresponding hole is formed in the position, corresponding to the mounting hole in the flange (4), of the fixing plate (201).
6. The stable sealing type check valve for pipeline transportation according to claim 1, wherein: the sealing assembly (3) comprises a fixed block (301), a movable screw (302), a movable ring (303) and a rubber ring (304);
flange (4) outside one end fixed mounting has fixed block (301), there is removal screw rod (302) fixed block (301) inside through threaded connection, removal screw rod (302) one end movable mounting has removal circle (303), the inside bonding of removal circle (303) has rubber circle (304).
CN202220016489.1U 2022-01-06 2022-01-06 Stable sealing type check valve based on pipeline transportation Active CN216843323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220016489.1U CN216843323U (en) 2022-01-06 2022-01-06 Stable sealing type check valve based on pipeline transportation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220016489.1U CN216843323U (en) 2022-01-06 2022-01-06 Stable sealing type check valve based on pipeline transportation

Publications (1)

Publication Number Publication Date
CN216843323U true CN216843323U (en) 2022-06-28

Family

ID=82114004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220016489.1U Active CN216843323U (en) 2022-01-06 2022-01-06 Stable sealing type check valve based on pipeline transportation

Country Status (1)

Country Link
CN (1) CN216843323U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118274139A (en) * 2024-05-06 2024-07-02 浙江超众阀门制造有限公司 Butterfly valve device for adjusting flow

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118274139A (en) * 2024-05-06 2024-07-02 浙江超众阀门制造有限公司 Butterfly valve device for adjusting flow
CN118274139B (en) * 2024-05-06 2024-09-20 浙江超众阀门制造有限公司 Butterfly valve device for adjusting flow

Similar Documents

Publication Publication Date Title
CN216843323U (en) Stable sealing type check valve based on pipeline transportation
CN2795589Y (en) Check valve for pollution discharge pump
CN214946806U (en) Backflow preventer with alarm function
CN210088112U (en) Valve use protection device
CN116734011A (en) Soft sealing gate valve
CN201827463U (en) Spherical flanged joint noise reduction check valve improving tightness
CN211117804U (en) Valve core structure of one-way valve
CN210949948U (en) High-sealing elastic seat seal gate valve
CN213145481U (en) Conical valve clack spring automatic re-setting check valve
CN201159310Y (en) Check valve
CN211039742U (en) Gate valve for gas cut-off
CN203052215U (en) High-efficiency dewatering energy-saving double-stage leak-proof-type water seal drainer
CN111350847A (en) Device, pressure pipeline and method for reducing water pressure of outer wall of pressure steel pipe
CN212407680U (en) Device for reducing water pressure of outer wall of pressure steel pipe and pressure pipeline
CN214466339U (en) Hydraulic self-control opening and closing sealed check butterfly valve
CN111677895A (en) Multi-bypass pressure relief type gate valve of high-pressure forge welding structure for nuclear power
CN220102248U (en) High-pressure air valve
CN216951831U (en) Gravity check valve applied to vertical pipeline
CN213655851U (en) Valve body that leakproofness is high
CN215673813U (en) Stainless steel valve with anti-corrosion function
CN220185847U (en) Low-pressure cut-off valve
CN213088834U (en) Rubber lamella check valve with protect function
CN220082291U (en) Water tap
CN221723413U (en) Pneumatic valve with butt joint protection architecture
CN219606139U (en) Check valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant