CN206439449U - Check-valves - Google Patents

Check-valves Download PDF

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Publication number
CN206439449U
CN206439449U CN201720014961.7U CN201720014961U CN206439449U CN 206439449 U CN206439449 U CN 206439449U CN 201720014961 U CN201720014961 U CN 201720014961U CN 206439449 U CN206439449 U CN 206439449U
Authority
CN
China
Prior art keywords
plug
spring
spring base
hole
valve body
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
CN201720014961.7U
Other languages
Chinese (zh)
Inventor
方丹华
丁安飞
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.)
Zhejiang Huifeng Valve Co Ltd
Original Assignee
Zhejiang Huifeng Valve 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 Zhejiang Huifeng Valve Co Ltd filed Critical Zhejiang Huifeng Valve Co Ltd
Priority to CN201720014961.7U priority Critical patent/CN206439449U/en
Application granted granted Critical
Publication of CN206439449U publication Critical patent/CN206439449U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Valve Housings (AREA)

Abstract

The utility model discloses a kind of check-valves, spring base is provided with valve body, and the valve interior wall contacted with spring base is provided with spring on pad, spring base left surface, spring right-hand member is fixed on spring base, top end of the valve body has exhaust outlet, and exhaust outlet is provided with fixing hole, and fixing hole bottom is provided with packing ring, packing ring upper end is provided with plug, diaphragm seal is provided with inside the fixing hole contacted with plug, and the side of plug bottom is provided with through hole, plug upper end is fixedly connected with hexagonal nuts.Gas is passed through by the utility model structure when using from inlet chamber; spring base can leave pad under the promotion of air-flow; fix bar can ensure that spring is stretched on fixed direction; banking stop can be to be flowed out in restricted unit time throughput; rotation hexagonal nuts makes the through hole on plug be higher by the outside of valve body; residual gas in equipment can be discharged by exhaust outlet and through hole, and the gas in isolation pipeline enters, and protection equipment is without damage.

Description

Check-valves
Technical field
The utility model is related to valve technology field, specially a kind of check-valves.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, non-return Valve belongs to a kind of automatic valve, and its main function is to prevent medium from flowing backwards, prevent pump and drive motor from inverting, and container is situated between Matter is released, and check-valves can be additionally used in the pipeline that supply is provided to the accessory system that pressure therein may be raised above system pressure On, but exhaust port device is not provided with existing check-valves equipment, after the gas in pipeline enters, have remnants gas It can not discharge, remain in for a long time in equipment and be easily caused the damage of equipment, be this it is proposed that a kind of check-valves is used to solve Above mentioned problem.
Utility model content
The purpose of this utility model is to provide a kind of check-valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme:A kind of check-valves, including valve body and bonnet, Spring base is provided with the valve body, and the valve interior wall contacted with spring base is provided with pad, the spring base left surface and set There is fix bar, the fix bar is provided with spring, and the spring right-hand member is fixed on spring base, and left end is fixedly connected in bonnet Wall, the top end of the valve body of the spring left and right sides has exhaust outlet, and the exhaust outlet is provided with fixing hole, the fixing hole bottom End is provided with packing ring, and the packing ring upper end, which is provided with inside plug, the fixing hole that contact with plug, is provided with diaphragm seal, the diaphragm seal with Plug is flexibly connected by helicitic texture, and the side of plug bottom is provided with through hole, and the plug upper end is fixedly connected with six Angle cap.
It is preferred that, the spring base bottom surface is disc structure, and its section is provided with spacing on the right side of U-shape structure, spring base Piece, the banking stop section be L-type structure, and banking stop right-hand member be located at pad right side.
It is preferred that, the fix bar quantity is not less than two, and is symmetrically fixed on spring base left surface, and fix bar is long Minimum length of the degree less than spring.
It is preferred that, plug below the through hole is hollow cylinder shape structure, and plug solid cylinder more than through hole Structure.
It is preferred that, the inside diameter of gasket is consistent with the diameter of exhaust outlet, and the diaphragm seal is rubber female thread structure, and is blocked up Head lower end is correspondingly provided with external thread structure.
Compared with prior art, the beneficial effects of the utility model are:By gas from entering when the utility model structure is used Air cavity is passed through, and spring base can leave pad under the promotion of air-flow, and gas reaches outlet chamber by whole equipment, and fix bar can be with Ensure that spring is stretched on fixed direction, banking stop can arrive the distance of pad with limited spring seat, so that Units of Limitation The throughput of outflow in time, when no gas is passed through, spring base is tight contacted between on pad again under the elastic force of spring, from And pass hull closure is, it is necessary to when discharging residual gas, the hexagonal nuts that turns clockwise can screw out plug, it is higher by the through hole on plug On the outside of valve body, the residual gas in equipment can be discharged by exhaust outlet and through hole, and row is respectively arranged on the left side and the right side in spring base Gas port device can be fully in device for transferring gas, the gas in isolation pipeline enters, and protection equipment is without damage.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model exhaust port device structural representation.
In figure:1 valve body, 2 bonnets, 3 spring bases, 4 pads, 5 springs, 6 plugs, 7 diaphragm seals, 8 packing rings, 9 through holes, 10 are fixed Bar, 11 banking stops, 12 hexagonal nuts, 13 exhaust outlets, 14 fixing holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme:A kind of check-valves, including valve body 1 and bonnet 2, valve Spring base 3 is provided with body 1, and the inwall of valve body 1 contacted with spring base 3 is provided with pad 4, the bottom surface of spring base 3 is disc structure, And its section is U-shape structure, spring 5 is fixed in spring base 3, when inlet chamber has gas to be passed through, and spring base 3 can be in air-flow Pad 4 is left under promotion, outlet chamber is passed the gas through, when no gas is passed through, spring base 3 is again tight under the elastic force of spring 5 Immediately contact on pad 4, so that pass hull closure, the right side of spring base 3 is provided with banking stop 11, the section of banking stop 11 is L-type structure, and The right-hand member of banking stop 11 is located at the right side of pad 4, and banking stop 4 can arrive the distance of pad 4 with limited spring seat 3, so as to limit list The throughput of outflow in the time of position, the left surface of spring base 3 is provided with fix bar 10, and fix bar 10 is provided with spring 5, and spring 5 is right End is fixed on spring base 3, and left end is fixedly connected with the inwall of bonnet 2, and the quantity of fix bar 10 is not less than two, and is symmetrically fixed on On the left surface of spring base 3, and the length of fix bar 10 is less than the minimum length of spring 5.Fix bar 10 can ensure spring 5 in fixation Direction on stretched, it is ensured that the air-tightness of device.
The top of valve body 1 of the left and right sides of spring 5 has exhaust outlet 13, and exhaust outlet 13 is provided with fixing hole 14, fixed The bottom of hole 14 is provided with packing ring 8, and the upper end of packing ring 8 is provided with plug 6, and the inside of fixing hole 14 contacted with plug 6 is provided with diaphragm seal 7, close Mounting 7 and plug 6 are flexibly connected by helicitic texture, and the internal diameter of packing ring 8 is consistent with the diameter of exhaust outlet 13, and diaphragm seal 7 is rubber Female thread structure, and the lower end of plug 6 is correspondingly provided with external thread structure, and the side of the bottom of plug 6 is provided with through hole 9, through hole 9 with Under plug 6 be hollow cylinder shape structure, and the solid cylinder structure of plug 6 of through hole more than 9 prevents the stifled of through hole more than 9 There is residual gas in first 6, the upper end of plug 6 is fixedly connected with hexagonal nuts 12, and hexagonal nuts 12 can be screwed out by turning clockwise Plug 6, when the through hole 9 on plug 6 is higher by 1 outside of valve body, the residual gas in equipment can pass through exhaust outlet 13 and through hole 9 Discharge.
Operation principle:Gas is passed through by the utility model structure when using from inlet chamber, promotion of the meeting of spring base 3 in air-flow Under leave pad 4, gas reaches outlet chamber by whole equipment, and fix bar 10 can ensure that spring 5 is enterprising in fixed direction Row is flexible, and banking stop 4 can arrive the distance of pad 4 with limited spring seat 3, so that the throughput of the interior outflow of restricted unit time, does not have When having the gas to be passed through, spring base 3 is tight contacted between on pad 4 again under the elastic force of spring 5, so that pass hull closure is, it is necessary to arrange When going out residual gas, the hexagonal nuts 12 that turns clockwise can screw out plug 6, the through hole 9 on plug 6 is higher by the outside of valve body 1, if Standby interior residual gas can be discharged by exhaust outlet 13 and through hole 9, and exhaust port device is respectively arranged on the left side and the right side in spring base 3 Gas that can be fully in device for transferring.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of check-valves, including valve body (1) and bonnet (2), it is characterised in that:Spring base (3) is provided with the valve body (1), And valve body (1) inwall contacted with spring base (3) is provided with pad (4), spring base (3) left surface is provided with fix bar (10), the fix bar (10) is provided with spring (5), and spring (5) right-hand member is fixed on spring base (3), and left end is fixed Bonnet (2) inwall is connected, valve body (1) top of spring (5) left and right sides has exhaust outlet (13), the exhaust outlet (13) fixing hole (14) is provided with, fixing hole (14) bottom is provided with packing ring (8), and packing ring (8) upper end is provided with plug (6) diaphragm seal (7) is provided with inside the fixing hole (14), contacted with plug (6), the diaphragm seal (7) and plug (6) pass through screw thread Structure movement is connected, and the side of plug (6) bottom is provided with through hole (9), and plug (6) upper end is fixedly connected with hexagonal nuts (12)。
2. a kind of check-valves according to claim 1, it is characterised in that:Spring base (3) bottom surface is disc structure, and Its section is that banking stop (11) is provided with the right side of U-shape structure, spring base (3), and banking stop (11) section is L-type structure, and is limited The right-hand member of bit slice (11) is located at the right side of pad (4).
3. a kind of check-valves according to claim 1, it is characterised in that:Fix bar (10) quantity is not less than two, And be symmetrically fixed on spring base (3) left surface, and fix bar (10) length is less than the minimum length of spring (5).
4. a kind of check-valves according to claim 1, it is characterised in that:The plug (6) of the through hole (9) below is hollow Plug (6) solid cylinder structure more than cylindrical structure, and through hole (9).
5. a kind of check-valves according to claim 1, it is characterised in that:Packing ring (8) internal diameter and exhaust outlet (13) Diameter is consistent, and the diaphragm seal (7) is rubber female thread structure, and plug (6) lower end is correspondingly provided with external thread structure.
CN201720014961.7U 2017-01-06 2017-01-06 Check-valves Expired - Fee Related CN206439449U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720014961.7U CN206439449U (en) 2017-01-06 2017-01-06 Check-valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720014961.7U CN206439449U (en) 2017-01-06 2017-01-06 Check-valves

Publications (1)

Publication Number Publication Date
CN206439449U true CN206439449U (en) 2017-08-25

Family

ID=59643866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720014961.7U Expired - Fee Related CN206439449U (en) 2017-01-06 2017-01-06 Check-valves

Country Status (1)

Country Link
CN (1) CN206439449U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128247A (en) * 2020-10-13 2020-12-25 温州大学激光与光电智能制造研究院 High-stability static pressure air bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128247A (en) * 2020-10-13 2020-12-25 温州大学激光与光电智能制造研究院 High-stability static pressure air bearing

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170825

Termination date: 20210106

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