CN205331514U - Cast steel swing check valve's valve body - Google Patents

Cast steel swing check valve's valve body Download PDF

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Publication number
CN205331514U
CN205331514U CN201521018810.6U CN201521018810U CN205331514U CN 205331514 U CN205331514 U CN 205331514U CN 201521018810 U CN201521018810 U CN 201521018810U CN 205331514 U CN205331514 U CN 205331514U
Authority
CN
China
Prior art keywords
valve
valve body
sealing area
cast steel
disk seat
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.)
Expired - Fee Related
Application number
CN201521018810.6U
Other languages
Chinese (zh)
Inventor
纪中军
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.)
DAFENG CHAOWEI MACHINERY Co Ltd
Original Assignee
DAFENG CHAOWEI MACHINERY 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 DAFENG CHAOWEI MACHINERY Co Ltd filed Critical DAFENG CHAOWEI MACHINERY Co Ltd
Priority to CN201521018810.6U priority Critical patent/CN205331514U/en
Application granted granted Critical
Publication of CN205331514U publication Critical patent/CN205331514U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a cast steel swing check valve's valve body, including valve gap, round pin axle, disk seat, the sealed face of second, valve clack, first sealed face, vice valve, rocker and valve body, the valve body upper end sets up and is connected with the valve gap, the inside upper end of valve body is provided with the round pin axle, the rocker sets up on the disk seat through the round pin axle, be equipped with the sealed face of second on the valve clack, the valve clack lower extreme is equipped with first sealed face, valve clack lower extreme one side is provided with vice valve, the utility model discloses an adopt high -quality cast steel material to make the valve body, can promote the life of stop valve by a wide margin, the valve clack links to each other with the disk seat for the disk seat is not fragile, has increased the life of check valve, and valve clack when motion be a fulcrum only, simple to operate, and the position of adjustment active node that can be better, and can not produce the interference when moving, and guaranteed the normal use of check valve, again because the oblique angle of first sealed face be 25~40, when the check valve cut out, the pressure of valve clack pressure on the disk seat was great, and sealing performance is good.

Description

A kind of valve body of cast steel swing check valve
[technical field]
This utility model relates to the technical field of gate valve, particularly the technical field of the valve body of a kind of cast steel swing check valve。
[background technology]
Check-valves is the automatic valve preventing the medium in pipeline from flowing backwards, the bottom valve that pump sump closes falls within check-valves class, its opening and closing element is turned on and off voluntarily by media flow and strength, to prevent medium from flowing backwards, check-valves belongs to automatic valve class, open during as tubing following current, the valve closed during adverse current, it is mainly used in preventing medium from flowing backwards, prevent pump and drive motor reversion and container inner medium from releasing, the currently used most common swing check valve that to be flap rotate around valve body bearing pin and the lift check valve that flap moves along valve body vertical center line, but the valve of above 2 kinds of structures is all deposited medium refluence speed when closed and is reduced to rapidly zero from maximum, cause the intrinsic pressure rapid rising in pipe water pipe side, thus producing the water hammer that pipe-line system is had destruction, so it is 50~500mm that general check-valves produces bore, but such structure limits the use scope of check-valves。
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, it is proposed to the valve body of a kind of cast steel swing check valve, it is proposed to a kind of valve seat is hardly damaged, and flap is easy for installation and will not produce the swing check valve of interference during motion。
For achieving the above object, the utility model proposes the valve body of a kind of cast steel swing check valve, including valve gap, bearing pin, valve seat, secondary sealing area, flap, primary sealing area, secondary valve, rocking bar and valve body, described valve body upper end arranges and is connected to valve gap, described valve inner upper end is provided with bearing pin, and described rocking bar is arranged on valve seat by bearing pin, and described flap is provided with secondary sealing area, described flap lower end is provided with primary sealing area, and side, described flap lower end is provided with secondary valve。
As preferably, the oblique angle of described primary sealing area is 25 °~40 °, and primary sealing area is provided with sealing ring。
As preferably, described flap is rotated around bearing pin by rocking bar。
As preferably, when described secondary sealing area contacts with primary sealing area, check-valves is automatically switched off。
The beneficial effects of the utility model: this utility model is made by valve body adopts high-quality cast steel material, the service life of stop valve can be substantially improved, described flap is connected with valve seat, valve seat is hardly damaged, add the service life of check-valves, only one of which fulcrum during flap motion, easy for installation, the position of active node can be adjusted preferably, and interference will not be produced during motion, ensure that the normal use of check-valves, again owing to the oblique angle of primary sealing area is 25 °~40 °, during closure of check ring, the pressure that flap is pressed on valve seat is bigger, good seal performance。
Feature of the present utility model and advantage will be described in detail in conjunction with accompanying drawing by embodiment。
[accompanying drawing explanation]
Fig. 1 is the structural representation of the valve body of a kind of steel swing check valve of this utility model。
In figure: 1-valve gap, 2-bearing pin, 3-valve seat, 4-secondary sealing area, 5-flap, 6-primary sealing area, 7-pair valve, 8-rocking bar, 9-valve body。
[detailed description of the invention]
Consult Fig. 1, the valve body of a kind of cast steel swing check valve of this utility model, including valve gap 1, bearing pin 2, valve seat 3, secondary sealing area 4, flap 5, primary sealing area 6, secondary valve 7, rocking bar 8 and valve body 9, described valve body 9 upper end arranges and is connected to valve gap 1, described valve body 9 inner upper end is provided with bearing pin 2, described rocking bar 8 is arranged on valve seat 3 by bearing pin 2, described flap 5 is provided with secondary sealing area 4, described flap 4 lower end is provided with primary sealing area 6, side, described flap 4 lower end is provided with secondary valve 7, the oblique angle of described primary sealing area is 25 °~40 °, and primary sealing area is provided with sealing ring, described flap 5 is rotated around bearing pin 2 by rocking bar 8, when described secondary sealing area 4 contacts with primary sealing area 5, check-valves is automatically switched off。
Utility model works process:
The valve body of a kind of cast steel swing check valve of this utility model is in the course of the work, by adopting high-quality cast steel material to make valve body 9, the service life of stop valve can be substantially improved, described flap 5 is connected with valve seat 3, valve seat 3 is hardly damaged, add the service life of check-valves, only one of which fulcrum when flap 5 moves, easy for installation, the position of active node can be adjusted preferably, and interference will not be produced during motion, ensure that the normal use of check-valves, again owing to the oblique angle of primary sealing area 6 is 25 °~40 °, during closure of check ring, the pressure that flap 5 is pressed on valve seat 3 is bigger, good seal performance。
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after this utility model simple transformation is belonged to protection domain of the present utility model。

Claims (4)

1. the valve body of a cast steel swing check valve, it is characterized in that: include valve gap (1), bearing pin (2), valve seat (3), secondary sealing area (4), flap (5), primary sealing area (6), secondary valve (7), rocking bar (8) and valve body (9), described valve body (9) upper end arranges and is connected to valve gap (1), described valve body (9) inner upper end is provided with bearing pin (2), described rocking bar (8) is arranged on valve seat (3) by bearing pin (2), described flap (5) is provided with secondary sealing area (4), described flap (4) lower end is provided with primary sealing area (6), described flap (4) side, lower end is provided with secondary valve (7)。
2. the valve body of a kind of cast steel swing check valve as claimed in claim 1, it is characterised in that: the oblique angle of described primary sealing area is 25 °~40 °, and primary sealing area is provided with sealing ring。
3. the valve body of a kind of cast steel swing check valve as claimed in claim 1, it is characterised in that: described flap (5) is rotated around bearing pin (2) by rocking bar (8)。
4. the valve body of a kind of cast steel swing check valve as claimed in claim 1, it is characterised in that: when described secondary sealing area (4) contacts with primary sealing area (5), check-valves is automatically switched off。
CN201521018810.6U 2015-12-10 2015-12-10 Cast steel swing check valve's valve body Expired - Fee Related CN205331514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521018810.6U CN205331514U (en) 2015-12-10 2015-12-10 Cast steel swing check valve's valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521018810.6U CN205331514U (en) 2015-12-10 2015-12-10 Cast steel swing check valve's valve body

Publications (1)

Publication Number Publication Date
CN205331514U true CN205331514U (en) 2016-06-22

Family

ID=56211479

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521018810.6U Expired - Fee Related CN205331514U (en) 2015-12-10 2015-12-10 Cast steel swing check valve's valve body

Country Status (1)

Country Link
CN (1) CN205331514U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113099696A (en) * 2021-04-10 2021-07-09 深圳市优威电气技术有限公司 UV LED lamp heat dissipation feedback system and intelligent power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113099696A (en) * 2021-04-10 2021-07-09 深圳市优威电气技术有限公司 UV LED lamp heat dissipation feedback system and intelligent power supply

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160622

Termination date: 20161210