CN203570574U - Check valve structure capable of being disassembled and assembled rapidly - Google Patents

Check valve structure capable of being disassembled and assembled rapidly Download PDF

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Publication number
CN203570574U
CN203570574U CN201320618864.0U CN201320618864U CN203570574U CN 203570574 U CN203570574 U CN 203570574U CN 201320618864 U CN201320618864 U CN 201320618864U CN 203570574 U CN203570574 U CN 203570574U
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CN
China
Prior art keywords
valve
bonnet
spool
valve body
way valve
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
CN201320618864.0U
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Chinese (zh)
Inventor
杨树东
王珉
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.)
HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT CO Ltd
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HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT CO Ltd
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Publication date
Application filed by HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT CO Ltd filed Critical HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT CO Ltd
Priority to CN201320618864.0U priority Critical patent/CN203570574U/en
Application granted granted Critical
Publication of CN203570574U publication Critical patent/CN203570574U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to check valves of reciprocating pumps, and aims to provide a check valve structure capable of being disassembled and assembled rapidly. The check valve structure comprises a valve body, a valve element, a spring, a valve cover, a valve seat and a valve group pressing plate. The valve body is composed of a cylinder and a bottom surface, and the center of the bottom surface of the valve body is provided with a hole. The valve seat is annular and is arranged in the valve body and connected with the bottom surface of the valve body. The valve cover is a cylinder and is arranged in the valve body, the lower end face of the valve cover is connected with the upper surface of the valve seat, and the outer wall of the cylinder of the valve cover is connected with the inner wall of the valve body. The part, higher than the valve seat, of the valve cover is provided with protruding portions in an annular mode on the outer wall of the cylinder body of the valve cover. Through a plane and O-shaped ring combination sealing mode, the check valve structure is simple in structure, good in reliability and suitable for low-pressure, middle-pressure and high-pressure sealing occasions. The check valve structure is very simple and convenient to disassemble, assemble and overhaul, and can improve the working efficiency, lower labor intensity and reduce safety risks.

Description

The one-way valve structures of fast demountable
Technical field
The utility model relates to the one-way valve of reciprocating pump, particularly a kind of one-way valve structures of fast demountable.
Background technique
One-way valve, as indispensable parts on process pipelines, is installed on the both sides up and down of reciprocating pump (comprising metering pump) pump head conventionally.The original mounting type of one-way valve has two kinds: 1, be threaded; 2, pack counterbore into, with pressing plate, compress.There is same drawback in above two kinds of mounting types, be that outlet conduit must be removed simultaneously or move forward into dismounting maintenance time, particularly when pump delivery is larger, import and export caliber size when also large, it is particularly outstanding that the degree of difficulty of this work seems, may increase unsafe factor simultaneously.
Model utility content
Technological scheme to be solved in the utility model is, overcomes deficiency of the prior art, and a kind of one-way valve structures of fast demountable is provided.
For solving above technical problem, solution of the present utility model is:
A kind of one-way valve structures of fast demountable is provided, comprises valve body, spool and spring; Also comprise valve bonnet, valve seat and valve group pressing plate; Valve body is comprised of cylindrical shell and bottom surface, the center drilling of its bottom surface; It is circular that valve seat is, and is placed in valve body and joins with its bottom surface; Valve bonnet is a cylindrical shell and is placed in valve body, and its lower end surface and valve seat upper surface join, and its cylinder body outer wall joins with valve interior wall; At valve bonnet, exceed the part of valve seat, in the cylinder body outer wall ring of valve bonnet, establish outstanding position; The T shape structure that described spool is comprised of tubular body and spool baffle plate, spool baffle plate and valve seat join, and spool baffle plate radius is greater than ring radius in valve seat; Valve core base is positioned at valve bonnet, the spool guide holder of base plate and tubular, consists of, and the tubular body of spool is placed in spool guide holder; Described spring is located in the tubular body of spool, and its one end and spool baffle plate join, and the base plate of the other end and valve core base joins.
In the utility model, described one-way valve structures has feed liquor one-way valve and two kinds of forms of discharge opeing one-way valve, and wherein: for feed liquor one-way valve, the pump head of its valve bonnet and reciprocating pump joins, the flanged surface that valve body and feed liquor are taken over joins; The valve group pressing plate that is sheathed on feed liquor adapter is bolted on pump head; For discharge opeing one-way valve, the pump head of its valve body and reciprocating pump joins, and the flanged surface of valve bonnet and drain connection joins; The valve group pressing plate that is sheathed on drain connection is bolted on pump head.
In the utility model, the edge of described valve group pressing plate is provided with vertical projection baffle plate; For feed liquor one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve bonnet and flanged surface; For discharge opeing one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve body and flanged surface.
In the utility model, between described valve body and pump head, between valve bonnet and pump head, between valve seat and valve body, between valve seat and valve bonnet, between valve bonnet and valve body, valve body and feed liquor take between or between valve bonnet and drain connection, the sealing means that adopts plane and O type circle to combine.
In the utility model, the base plate of described valve core base inner side arranges pin, and described spring housing is located on this pin.
Compared with prior art, the beneficial effects of the utility model are:
1, plane and O type circle combination seal mode are simple in structure, and good reliability, is applicable to basic, normal, high means of press seals occasion.
2, described one-way valve structures dismounting maintenance is very easy, can increase work efficiency, reduce labor intensity, and reduces security risk.
Accompanying drawing explanation
Fig. 1 is one-way valve group and barrier film pump head assembling outline drawing;
Fig. 2 is feed liquor one-way valve group structural drawing;
Fig. 3 is discharge opeing one-way valve group structural drawing.
Reference character in figure is: 1, valve bonnet; 2, spring; 3, spool; 4, valve body; 5, O RunddichtringO; 6, valve seat; 7, valve group pressing plate; 8, bolt; 9, feed liquor is taken over; 10, drain connection; 11 discharge opeing one-way valve groups; 12, barrier film pump head; 13, feed liquor one-way valve group.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, the both sides of barrier film pump head 12 arrange feed liquor one-way valve group 13 and discharge opeing one-way valve group 11, are equipped with the one-way valve structures of fast demountable in feed liquor one-way valve group 13 and discharge opeing one-way valve group 11; One-way valve structures specifically comprises: valve body 4, spool 3, spring 2, valve bonnet 1, valve seat 6 and valve group pressing plate 7; Wherein, valve body 4 is comprised of cylindrical shell and bottom surface, the center drilling of its bottom surface; Valve seat 6 is circular, is placed in valve body 4 and joins with its bottom surface; Valve bonnet 1 is a cylindrical shell and is placed in valve body 4, and its lower end surface and valve seat 6 upper surfaces join, and its cylinder body outer wall joins with valve body 4 inwalls; At valve bonnet 1, exceed the part of valve seat 6, in the cylinder body outer wall ring of valve bonnet 1, establish outstanding position; The T shape structure that described spool 3 is comprised of tubular body and spool baffle plate, spool baffle plate and valve seat 6 join, and spool baffle plate radius is greater than the interior ring radius of valve seat 6; Valve core base is positioned at valve bonnet 1, the spool guide holder of base plate and tubular, consists of, and the tubular body of spool 3 is placed in spool guide holder; Described spring 2 is located in the tubular body of spool 3, and its one end and spool baffle plate join, and the base plate of the other end and valve core base joins.The base plate inner side of described valve core base arranges pin, and described spring 2 is sheathed on this pin.
Described one-way valve structures has feed liquor one-way valve and two kinds of forms of discharge opeing one-way valve, wherein: for feed liquor one-way valve, its valve bonnet 1 joins with the barrier film pump head 12 of reciprocating pump, valve body 4 joins with the flanged surface of feed liquor adapter 9, and the valve group pressing plate 7 that is sheathed on feed liquor adapter 9 is fixed on barrier film pump head 12 by bolt 8; For discharge opeing one-way valve, its valve body 4 joins with barrier film pump head 12, and valve bonnet 1 joins with the flanged surface of drain connection 10, and the valve group pressing plate that is sheathed on drain connection 10 is bolted on pump head.
The edge of valve group pressing plate 7 is provided with vertical projection baffle plate; For feed liquor one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve bonnet 1 and flanged surface; For discharge opeing one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve body 4 and flanged surface.
Between valve body 4 and barrier film pump head 12, between valve bonnet 1 and barrier film pump head 12, between valve seat 6 and valve body 4, between valve seat 6 and valve bonnet, between valve bonnet 1 and valve body 4, valve body 4 and feed liquor take over 9 between or between valve bonnet 1 and drain connection 10, the sealing means that adopts plane and O type circle to combine.
Certainly, the one-way valve structures of this fast demountable is not limited in the concrete usage mode of above structure, and this is concrete case study on implementation.The one-way valve structures of fast demountable can have even structure of different shapes, can also be applied to the different occasions such as flange seal.Within such conversion all drops on protection domain of the present utility model.

Claims (5)

1. an one-way valve structures for fast demountable, comprises valve body, spool and spring, it is characterized in that, also comprises valve bonnet, valve seat and valve group pressing plate; Valve body is comprised of cylindrical shell and bottom surface, the center drilling of its bottom surface; It is circular that valve seat is, and is placed in valve body and joins with its bottom surface; Valve bonnet is a cylindrical shell and is placed in valve body, and its lower end surface and valve seat upper surface join, and its cylinder body outer wall joins with valve interior wall; At valve bonnet, exceed the part of valve seat, in the cylinder body outer wall ring of valve bonnet, establish outstanding position; The T shape structure that described spool is comprised of tubular body and spool baffle plate, spool baffle plate and valve seat join, and spool baffle plate radius is greater than ring radius in valve seat; Valve core base is positioned at valve bonnet, the spool guide holder of base plate and tubular, consists of, and the tubular body of spool is placed in spool guide holder; Described spring is located in the tubular body of spool, and its one end and spool baffle plate join, and the base plate of the other end and valve core base joins.
2. one-way valve structures according to claim 1, is characterized in that, described one-way valve structures has feed liquor one-way valve and two kinds of forms of discharge opeing one-way valve, wherein:
For feed liquor one-way valve, the pump head of its valve bonnet and reciprocating pump joins, and the flanged surface that valve body and feed liquor are taken over joins; The valve group pressing plate that is sheathed on feed liquor adapter is bolted on pump head;
For discharge opeing one-way valve, the pump head of its valve body and reciprocating pump joins, and the flanged surface of valve bonnet and drain connection joins; The valve group pressing plate that is sheathed on drain connection is bolted on pump head.
3. one-way valve structures according to claim 2, is characterized in that, the edge of described valve group pressing plate is provided with vertical projection baffle plate; For feed liquor one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve bonnet and flanged surface; For discharge opeing one-way valve, the height of projection baffle plate can be inserted in to realize location by a part for valve body and flanged surface.
4. one-way valve structures according to claim 2, it is characterized in that, between described valve body and pump head, between valve bonnet and pump head, between valve seat and valve body, between valve seat and valve bonnet, between valve bonnet and valve body, valve body and feed liquor take between or between valve bonnet and drain connection, the sealing means that adopts plane and O type circle to combine.
5. according to the one-way valve structures described in claim 1 to 4 any one, it is characterized in that, the base plate inner side of described valve core base arranges pin, and described spring housing is located on this pin.
CN201320618864.0U 2013-10-08 2013-10-08 Check valve structure capable of being disassembled and assembled rapidly Expired - Fee Related CN203570574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320618864.0U CN203570574U (en) 2013-10-08 2013-10-08 Check valve structure capable of being disassembled and assembled rapidly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320618864.0U CN203570574U (en) 2013-10-08 2013-10-08 Check valve structure capable of being disassembled and assembled rapidly

Publications (1)

Publication Number Publication Date
CN203570574U true CN203570574U (en) 2014-04-30

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CN201320618864.0U Expired - Fee Related CN203570574U (en) 2013-10-08 2013-10-08 Check valve structure capable of being disassembled and assembled rapidly

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103511245A (en) * 2013-10-08 2014-01-15 杭州大潮石化设备有限公司 Check valve structure capable of being rapidly disassembled and assembled

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103511245A (en) * 2013-10-08 2014-01-15 杭州大潮石化设备有限公司 Check valve structure capable of being rapidly disassembled and assembled
CN103511245B (en) * 2013-10-08 2016-04-06 杭州大潮石化设备有限公司 The one-way valve structures of fast demountable

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

Granted publication date: 20140430

Termination date: 20161008

CF01 Termination of patent right due to non-payment of annual fee