CN203162256U - Integrated type vertical type check valve - Google Patents
Integrated type vertical type check valve Download PDFInfo
- Publication number
- CN203162256U CN203162256U CN 201320132427 CN201320132427U CN203162256U CN 203162256 U CN203162256 U CN 203162256U CN 201320132427 CN201320132427 CN 201320132427 CN 201320132427 U CN201320132427 U CN 201320132427U CN 203162256 U CN203162256 U CN 203162256U
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- China
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- valve body
- valve
- type vertical
- check valve
- integrated type
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Abstract
The utility model discloses an integrated type vertical type check valve and relates to a check valve structure which is arranged on a pipeline and used for preventing media from flowing backwards. The integrated type vertical type check valve is mainly formed by a valve body, a valve core assembly and the like, and a separating bar and a water sealing board are further arranged in the valve body. The integrated type vertical type check valve is characterized in that the valve body is designed to be of an integrated type structure without a valve cover, and after the valve cover is eliminated, besides inner threads at two ends of the valve body, the machining part of the valve body only comprises the fact that a guide hole and a water hole are formed in the separating bar inside the valve body in a machining mode and a taper hole is formed in the water sealing board inside the valve body in a machining mode. Standard components are mostly adopted by the valve core assembly, so that the production and assembly of the whole integrated type vertical type check valve is simpler, disassembly and assembly in maintenance are convenient, production cost and maintenance cost are lowered, and the integrated type vertical type check valve has the advantages of being simple and reliable in structure, few in machining component, large in water passing hole diameter and the like. On the basis that the structure is simplified, the function and the maintainability of the integrated type vertical type check valve can be effectively ensured.
Description
Technical field
The utility model relates to a kind of be used to the check valve structure that prevents that medium flows backwards in the pipeline, refers in particular to the integral type Vertical Lift Check Valves.
Background technique
Safety check is a kind of automatic valve, it relies on medium itself to flow and the automatic on-off flap, mainly be installed on the pipeline of medium one-way flow, and only allow medium to flow to a direction, to try to avert accidents, the pressure that also can be applicable to wherein may rise to the pipeline that the auxiliary system of pressing above system provides supply.Traditional Vertical Lift Check Valves such as disclosed China Patent No. are 201120577486.7 " a kind of Vertical Lift Check Valves ", it mainly is to be made of structures such as valve body, valve gap, flap, valve rod, spring, spring washers, and adopt valve body, the mutual screw thread of valve gap to screw the structure of connection, and other accessory all seldom adopts standard piece, this just causes Vertical Lift Check Valves production to assemble comparatively complicated and required workpiece is many, has also greatly influenced production cost of products and maintenance cost.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and a kind of simple and reliable for structure, workpiece is few, cost of production is low, easy to maintenance integral type Vertical Lift Check Valves is provided, this Vertical Lift Check Valves can also effectively guarantee function and the maintainalbility of Vertical Lift Check Valves on the basis of simplified structure.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of integral type Vertical Lift Check Valves comprises vertical valve body, is provided with entrance point and the outlet end of upper and lower connection in this valve body, also is provided with the mangetic core assembly that opens and closes the inlet/outlet end, and described valve body is integral structure, is provided with muscle and water shutoff plate in this valve body; Described muscle is provided with pilot hole, is provided with the water port between muscle and the valve body, and the water shutoff plate is provided with taper hole.
Described mangetic core assembly comprises a valve rod that vertically is arranged in the valve body, and the upper and lower activity of this valve rod is located in the pilot hole of muscle; Described valve rod upper end is provided with spring seat, also is provided with to be sleeved on the outer elastic element of valve rod, and the two ends difference pushing tow of this elastic element is on spring seat and muscle; Described valve rod lower end is provided with flap, and this flap sealing is fitted in the taper hole of water shutoff plate.
Described flap is taper valve, makes cone seal between this taper valve and the taper hole.
Be provided with guide sleeve between described valve rod and the pilot hole.
Described valve body two ends are provided with internal thread.
Compared with prior art, the utility model mainly is the integral structure that valve body is designed to not have valve gap, after removing valve gap, working position on the valve body is except the internal thread at two ends, only need muscle processing pilot hole and water port in valve body, the processing taper hole gets final product on the water shutoff plate in the valve body, and the mangetic core assembly in the valve body has mostly adopted standard piece, this makes that the production assembling of whole Vertical Lift Check Valves is simpler, dismounting during maintenance is also quite convenient, not only reduced cost of production but also reduced maintenance difficulty, also have simple and reliable for structure, workpiece is few, advantages such as the water flowing aperture is big, so on the basis of simplified structure, can effectively guarantee function and the maintainalbility of Vertical Lift Check Valves.
Description of drawings
Fig. 1 is sectional structure schematic representation of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figure 1 and Figure 2,1. valve body, 11. internal threads, 12. entrance points, 13. muscles, 14. water shutoff plates, 15. outlet end, 16. water ports, 2. mangetic core assembly, 21. " O " type circle, 22. flaps, 23. valve rods, 24. guide sleeves, 25. elastic elements, 26. spring seats, 27. nuts.
The integral type Vertical Lift Check Valves, as shown in Figure 1 and Figure 2, it relates to a kind of be used to the check valve structure that prevents that medium flows backwards in the pipeline, mainly be to be made of valve body 1, valve rod 23, flap 22, guide sleeve 24, elastic element 25 and spring seat 26 etc., accessories such as valve rod 23 wherein, flap 22, elastic element 25 and spring seat 26 have also constituted the mangetic core assembly 2 of whole Vertical Lift Check Valves jointly.
Described valve body 1 has adopted vertical integral type valve body structure, and it has directly cast out the valve gap that all need possess on the traditional vertical safety check, and this had both made things convenient for processing, had also saved cost of production; Be provided with entrance point 12 and the outlet end 15 of upper and lower connection in the described valve body 1, can be used for the circulation for the pipe-line system medium, all design has internal thread 11 to be used for connecting pipeline on the valve body 1 of inlet/outlet end; Also be provided with muscle 13 and water shutoff plate 14 in the described valve body 1, this muscle is arranged on water shutoff plate top, in fact it is exactly a long strip-board shape structure, design has pilot hole at muscle 13 centers, be provided with the water port 16 of two semicirculars in shape between the inwall of muscle 13 and valve body 1, this water port aperture design is bigger, with effective reduction flow resistance coefficient; Described water shutoff plate 14 centers are provided with a taper hole, and this taper hole is up-small and down-big structure.
Described mangetic core assembly 2 is mainly used in opening and closing the inlet/outlet end of valve body 1, the valve rod 23 of this mangetic core assembly 2 vertically is installed in the valve body 1, and do upper and lower motion in the movable pilot hole that is located in muscle 13, between valve rod 23 and pilot hole, be provided with interference fit and be fastened on guide sleeve 24 in the pilot hole, this guide sleeve is that plastics are made, can be longer according to the actual conditions design, played the leading role of valve rod 23, and made that the operation of valve rod is more steady; Described valve rod 23 upper ends are provided with the spring seat 26 that is fastenedly connected by nut 27 works, nut 27 adopts anaerobic adhesive to be connected with 23 of valve rods, also be provided with simultaneously and be sleeved on the outer elastic element 25 of valve rod, as volute spring etc., pushing tow is distinguished on spring seat 26 and muscle 13 in the two ends of elastic element 25, and gives the pre-thrust that 23 1 of valve rods move upward; Described valve rod lower end is provided with by nut and makes the flap 22 be fastenedly connected, and the employing anaerobic adhesive is connected between nut and the valve rod 23, and simultaneously, for the needs of nut screwing clamping, hexagonal design also can be adopted in the lower end of this valve rod 23; Described flap 22 is designed to taper valve, offer an annular groove at the taper work face of flap, be embedded with " O " type circle 21 in it, this taper valve sealing is fitted in the taper hole of water shutoff plate 14, to form cone seal, the flap 22 under the normality is that close-fitting is sealed in the taper hole under the pre-thrust that valve rod 23 moves upward.
The utility model has adopted a kind of integral type valve body structure that valve gap connects that do not have, so its valve body 1 processing is very simple, and " O " type circle 21 of mangetic core assembly 2 and nut 27 all are to adopt standard piece, this has greatly reduced cost of production, only need pack in order during assembling and be furnished with flap 22, guide sleeve 24, elastic element 25 and the spring seat 26 of " O " type circle 21, directly tighten with nut 27 again and get final product, so assembly process is simple and convenient.Owing to cast out valve cover structure, also need not to turn on earlier being connected of valve body 1 and valve gap when making maintenance, only need directly turn on i.e. replaceable " O " type circle 21 that is connected of nut 27 and valve rod 23, easy to maintenance fast.
Claims (5)
1. integral type Vertical Lift Check Valves, comprise vertical valve body (1), be provided with entrance point (12) and the outlet end (15) of upper and lower connection in this valve body (1), also be provided with the mangetic core assembly (2) that opens and closes the inlet/outlet end, it is characterized in that described valve body (1) is integral structure, is provided with muscle (13) and water shutoff plate (14) in this valve body (1); Described muscle (13) is provided with pilot hole, is provided with water port (16) between muscle (13) and the valve body (1), and water shutoff plate (14) is provided with taper hole.
2. integral type Vertical Lift Check Valves according to claim 1 is characterized in that described mangetic core assembly (2) comprises a valve rod (23) that vertically is arranged in the valve body (1), and the upper and lower activity of this valve rod is located in the pilot hole of muscle (13); Described valve rod (23) upper end is provided with spring seat (26), also is provided with to be sleeved on the outer elastic element (25) of valve rod (23), and the two ends difference pushing tow of this elastic element is on spring seat (26) and muscle (13); Described valve rod (23) lower end is provided with flap (22), and this flap sealing is fitted in the taper hole of water shutoff plate (14).
3. integral type Vertical Lift Check Valves according to claim 2 is characterized in that described flap (22) is taper valve, makes cone seal between this taper valve and the taper hole.
4. integral type Vertical Lift Check Valves according to claim 2 is characterized in that being provided with between described valve rod (23) and the pilot hole guide sleeve (24).
5. integral type Vertical Lift Check Valves according to claim 1 is characterized in that described valve body (1) two ends are provided with internal thread (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132427 CN203162256U (en) | 2013-03-22 | 2013-03-22 | Integrated type vertical type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132427 CN203162256U (en) | 2013-03-22 | 2013-03-22 | Integrated type vertical type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162256U true CN203162256U (en) | 2013-08-28 |
Family
ID=49023440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320132427 Expired - Lifetime CN203162256U (en) | 2013-03-22 | 2013-03-22 | Integrated type vertical type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567562A (en) * | 2015-04-30 | 2018-01-09 | 施雷德有限公司 | valve for pressurized environment |
| CN113236806A (en) * | 2021-05-19 | 2021-08-10 | 江苏盛丰机械科技有限公司 | Valve with built-in safety mechanism |
-
2013
- 2013-03-22 CN CN 201320132427 patent/CN203162256U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567562A (en) * | 2015-04-30 | 2018-01-09 | 施雷德有限公司 | valve for pressurized environment |
| US10711905B2 (en) | 2015-04-30 | 2020-07-14 | Schrader | Valve for pressurized environments |
| CN113236806A (en) * | 2021-05-19 | 2021-08-10 | 江苏盛丰机械科技有限公司 | Valve with built-in safety mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |