CN202901354U - Refrigerating ball valve - Google Patents
Refrigerating ball valve Download PDFInfo
- Publication number
- CN202901354U CN202901354U CN 201220511613 CN201220511613U CN202901354U CN 202901354 U CN202901354 U CN 202901354U CN 201220511613 CN201220511613 CN 201220511613 CN 201220511613 U CN201220511613 U CN 201220511613U CN 202901354 U CN202901354 U CN 202901354U
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- valve
- valve body
- seat
- core
- ball
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- Expired - Lifetime
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Abstract
The utility model provides a refrigerating ball valve, belongs to the technical field of machinery, and solves the problems of poor sealing effect and leakiness of the conventional refrigerating ball valve. The refrigerating ball valve comprises a valve body, a ball valve core, a valve rod, a valve cover and a valve seat, wherein a cavity is formed in the valve body; the valve cover is arranged above the valve body and is in threaded connection with the valve body; the ball valve core is positioned in the valve body; one end of the valve rod is fixedly connected with the ball valve core, and the other end of the valve rod extends out of the valve body and is positioned in the valve cover; one end of the valve body is in threaded connection with the valve seat; the valve seat is sealed and fixed with the valve body by welding; one end of the ball valve core is pressed against the valve seat; and lubricating sealing seats are respectively arranged between the ball valve core and the valve seat and between the ball valve core and the valve body. The refrigerating ball valve has the advantages of good sealing effect, convenience for opening, simple structure and the like.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of ball valve, relates in particular to a kind of refrigerating ball valve.
Background technique
Valve applications is extensive, and it is applied to controllable flow body medium pressure, flow and the flow direction in the pipe-line system, needs regular opening and closing, uses after a period of time, and sealability can descend to some extent.The ducted ball valve of refrigeration system is a kind of fluid control member, and the application of valve is more and more extensive, and requires more and more higher.The existing ball valve that is used for refrigeration pipe system, linkage structure generally is threaded between valve body and the valve seat, the form of smearing even anaerobic adhesive reaches the effect of outside seal, its internal structure is by the effect that closely cooperates to reach inner sealing of spherical valve core and sealing gasket, and its inner was connected with spherical valve core after valve rod passed valve body.
A kind of low-temperature high-pressure ball valve [application number: 03228114.5 is disclosed such as Chinese patent; Notification number: CN2599343Y], it comprises main valve body, connects valve body, valve ball, valve rod.The center radial direction through hole of valve ball communicates with in-and-out pipe, in that seal ring is housed on the valve ball and between valve body, at valve rod pad and gland nut is housed.The seal ring that is placed between valve ball and valve body is composite sealing ring; The valve ball center has exhaust port, and the shoulder pad also is housed below the gland nut on the valve rod, and the top of valve body installs bonnet additional.This model utility adopts composite sealing ring, makes the closed chamber that forms efficient sealed performance in the valve body, has prevented the internal leakage of medium.
Yet, main valve body only is threaded connection with being connected between the valve body in the above-mentioned low-temperature high-pressure ball valve, do not take other seal means, service time one is long, main valve body is loosening with the being threaded appearance that is connected between the valve body, medium just can leak away with the slit that is connected between the valve body from main valve body when mobile, thereby the use of valve is impacted.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, has proposed a kind of good sealing effect, has opened light refrigerating ball valve.
The purpose of this utility model can realize by following technical proposal: a kind of refrigerating ball valve, comprise valve body, spherical valve core, valve rod, valve gap and valve seat, described valve inner is cavity, described valve gap is located at the top of above-mentioned valve body and both are threaded, described spherical valve core is positioned at valve body, one end and the spherical valve core of described valve rod are connected, the other end of described valve rod stretches out valve body and is positioned at valve gap, described valve body one end is threaded with valve seat, it is characterized in that, described valve seat and valve body are also fixed by welded seal, described spherical valve core one end and valve seat lean, and are equipped with the sealing seat with lubricity between described spherical valve core and the valve seat and between spherical valve core and the valve body.
In use, rotary valve rod and the spool that is connected mutually with valve rod are to several angle, and valve is in opening state.Because the sealing seat in the valve body has lubricity, spherical valve core rotation action when rotating is lighter, and sealing seat can guarantee can not occur when medium circulates the phenomenon of internal leakage in valve body.And be threaded connection between valve seat and the valve body and seal welding in addition, just effectively eliminated owing to valve seat is connected with valve body screw thread and the loosening external leakage phenomenon that causes occurred.
In above-mentioned refrigerating ball valve, described valve seat place is fixed with by welded seal and takes over one, and the other end that described valve body is connected with valve seat is fixed with adapter two by welded seal, described adapter one and take over two and all communicate with the inner chamber of valve body.Take over one with take over two all by welded seal so that medium not can from take over one and valve seat between or take over two and valve body between external leakage.
In above-mentioned refrigerating ball valve, also be provided with the exhaust port that when ball valve is closed, can reduce to close resistance on the described spherical valve core.Exhaust port can reduce the gas-flow resistance of valve inner, and is convenient when ball valve is closed.
In above-mentioned refrigerating ball valve, be provided with gasket seal between described valve body and the valve gap, be provided with 0 RunddichtringO between described valve rod and the valve body.Gasket seal and 0 RunddichtringO can prevent the external leakage between valve body and the valve gap.
In above-mentioned refrigerating ball valve, described gasket seal and sealing seat all adopt teflon to make.Teflon is the Chang Zuowei sealing material not only, and it also has good lubrication effect.
Compared with prior art, this refrigerating ball valve has the following advantages:
1, this refrigerating ball valve prevents from external leakage and the internal leakage of medium from having guaranteed sealability by the sealing seat of welded seal and valve inner, has improved sealing effect;
2, the sealing seat that has lubrication in this refrigerating ball valve can not be subjected to that resistance of medium affects in the valve so that spherical valve core rotates lightly when rotating, required opening force is little;
3, the exhaust port in the spherical valve core has reduced the gas-flow resistance of medium in the valve body in this refrigerating ball valve, so that convenient during valve closing.
Description of drawings
Fig. 1 is the sectional view of this refrigerating ball valve.
Among the figure, 1, valve body; 2, spherical valve core; 3, valve rod; 4, valve gap; 5, valve seat; 6, sealing seat; 7, take over one; 8, take over two; 9, exhaust port; 10, gasket seal; 11, O-ring seals.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, a kind of refrigerating ball valve comprises valve body 1, spherical valve core 2, valve rod 3, valve gap 4, valve seat 5 and takes over one 7 and take over 28.The inside of valve body 1 is cavity, and spherical valve core 2 is positioned at valve body 1.One end and the spherical valve core 2 of valve rod 3 are connected, and the other end of valve rod 3 stretches out between valve body 1 and valve rod 3 and the valve body 1 and is provided with O-ring seals 11.Valve gap 4 is positioned at valve body 1 top, and both are threaded connection and also are provided with gasket seal 10 between the two, and simultaneously, the end that valve rod 3 stretches out valve body 1 is positioned at valve gap 4.In the present embodiment, also be arranged with pad and pressure cap on the valve rod 3, spherical valve core 2 is provided with exhaust port 9, and exhaust port 9 communicates with the residing pipeline of ball valve.The material of gasket seal 10 is teflon.
Take over one 7 and take over 28 two ends that lay respectively at valve body 1, they all communicate with the inner chamber of valve body 1, and take over 28 and valve body 1 one ends fix by welded seal.Valve body 1 is provided with to be taken over 28 the other end and has been threaded connection valve seat 5, also by welded seal, takes over 1 then and valve seat 5 is fixed by welded seal between valve seat 5 and the valve body 1.One end and the valve seat 5 of spherical valve core 2 lean, and are equipped with the sealing seat 6 of being made by teflon between spherical valve core 2 and the valve seat 5 and between valve body 1 and the spherical valve core 2.
This refrigerating ball valve in use, rotation valve rod 3 drives spherical valve cores 2 and together turns over 90 degree, valve is in opening state, ducted medium can be circulated.Because all have lubricity with spherical valve core 2 contacted sealing seats 6, so spherical valve core 2 rotations are light, rotational resistance is little, and medium also can't be in valve body 1 interior generation internal leakage phenomenon owing to the existence of sealing seat 6 when valve body 1 interior circulation.
Many places are local on the valve body 1 adopts welded seal, and the gasket seal 10 between the O-ring seals 11 between valve rod 3 and the valve body 1, valve gap 4 and the valve body 1 has all been eliminated the hidden danger that can produce external leakage in the medium process of circulation effectively.And because the existence of valve gap 4 has prevented that also valve rod 3 is subjected to the possibility of outside destroy simultaneously.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. refrigerating ball valve, comprise valve body (1), spherical valve core (2), valve rod (3), valve gap (4) and valve seat (5), described valve body (1) inside is cavity, described valve gap (4) is located at the top of above-mentioned valve body (1) and both are threaded, described spherical valve core (2) is positioned at valve body (1), one end of described valve rod (3) and spherical valve core (2) are connected, the other end of described valve rod (3) stretches out valve body (1) and is positioned at valve gap (4), described valve body (1) one end is threaded with valve seat (5), it is characterized in that, described valve seat (5) is also fixed by welded seal with valve body (1), described spherical valve core (2) one ends and valve seat (5) lean, and are equipped with the sealing seat (6) with lubricity between described spherical valve core (2) and the valve seat (5) and between spherical valve core (2) and the valve body (1).
2. refrigerating ball valve according to claim 1, it is characterized in that, described valve seat (5) is located to be fixed with adapter one (7) by welded seal, the other end that described valve body (1) is connected with valve seat (5) is fixed with by welded seal and takes over two (8), described adapter one (7) and take over two (8) and all communicate with the inner chamber of valve body (1).
3. refrigerating ball valve according to claim 1 is characterized in that, also is provided with the exhaust port (9) that can reduce to close resistance when ball valve is closed on the described spherical valve core (2).
4. according to claim 1 and 2 or 3 described refrigerating ball valves, it is characterized in that, be provided with gasket seal (10) between described valve body (1) and the valve gap (4), be provided with O-ring seals (11) between described valve rod (3) and the valve body (1).
5. refrigerating ball valve according to claim 4 is characterized in that, described gasket seal (10) and sealing seat (6) all adopt teflon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511613 CN202901354U (en) | 2012-09-29 | 2012-09-29 | Refrigerating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511613 CN202901354U (en) | 2012-09-29 | 2012-09-29 | Refrigerating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901354U true CN202901354U (en) | 2013-04-24 |
Family
ID=48122025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511613 Expired - Lifetime CN202901354U (en) | 2012-09-29 | 2012-09-29 | Refrigerating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546145A (en) * | 2016-02-15 | 2016-05-04 | 芜湖市金贸流体科技股份有限公司 | Electric ball valve |
| US9599151B2 (en) | 2013-05-10 | 2017-03-21 | Roller Bearing Company Of America, Inc. | Double row preloaded ball bearing with spacer balls |
-
2012
- 2012-09-29 CN CN 201220511613 patent/CN202901354U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9599151B2 (en) | 2013-05-10 | 2017-03-21 | Roller Bearing Company Of America, Inc. | Double row preloaded ball bearing with spacer balls |
| CN105546145A (en) * | 2016-02-15 | 2016-05-04 | 芜湖市金贸流体科技股份有限公司 | Electric ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 317600 Industrial Agglomeration Area of Qinggang Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Yonghe Intelligent Control Technology Co.,Ltd. Address before: Taizhou City, Zhejiang province 317606 Yuhuan County town industrial area Patentee before: YORHE FLUID INTELLIGENT CONTROL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |