CN211010028U - Welding type spring relief valve - Google Patents
Welding type spring relief valve Download PDFInfo
- Publication number
- CN211010028U CN211010028U CN201921559276.8U CN201921559276U CN211010028U CN 211010028 U CN211010028 U CN 211010028U CN 201921559276 U CN201921559276 U CN 201921559276U CN 211010028 U CN211010028 U CN 211010028U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- wall
- valve rod
- top end
- 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.)
- Active
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a welding type spring relief valve, which comprises a valve body, valve body bottom and lateral wall all are equipped with first soldered connection and the second soldered connection inside the intercommunication, open on the valve body top has the jack, and the jack inner wall is pegged graft and is had the valve rod, the valve rod lateral wall is close to valve body top position department and is equipped with spacing bulge loop, and the valve rod lateral wall is close to spacing bulge loop top position department cover and be equipped with the spring part, the valve body top has the protection casing through the bolt fastening, and the welding of protection casing inner wall has the becket bridle piece, the becket bridle piece cup joints with the valve rod outer wall, the welding of valve body bottom inner wall has the guide cover of the first soldered connection of. The utility model discloses convenient automatic regulation and control pressure release speed, safe and reliable more combines the pilot ring and the scale marking that set up simultaneously, makes things convenient for the displacement volume of feedback valve rod, makes things convenient for feedback pressure size, and it is convenient to observe, improves work efficiency, and is more directly perceived.
Description
Technical Field
The utility model relates to a relief valve technical field especially relates to a welding type spring relief valve.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. A welded spring type safety valve belongs to a common safety valve.
The existing welding type spring safety valve is inconvenient in pressure feedback and unadjustable in pressure release rate, so that the welding type spring safety valve is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a welding type spring type safety valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a welded spring type safety valve comprises a valve body, wherein a first welding head and a second welding head which are communicated with the interior of the valve body are arranged at the bottom end and the side wall of the valve body, a jack is formed in the top end of the valve body, a valve rod is inserted into the inner wall of the jack, a limiting convex ring is arranged at the position, close to the top end of the valve body, of the side wall of the valve rod, a spring piece is sleeved at the position, close to the top end of the limiting convex ring, of the side wall of the valve rod, a protective cover is fixed at the top end of the valve body through bolts, a metal ring sheet is welded to the inner wall of the protective cover, the metal ring sheet is sleeved with the outer wall of the valve rod, a material guide sleeve communicated with the first welding head is welded to the inner wall of the bottom end of the valve body, a blocking block is clamped at the bottom end of the valve rod, the side wall of the metal pipe is provided with guide holes distributed at equal intervals.
Preferably, the outer wall of the two sides of the protective cover is provided with rectangular holes, the two sides of the valve rod are welded with connecting blocks, the two connecting blocks penetrate through the two rectangular holes respectively, the outer wall of the protective cover is sleeved with an indicating ring, and the two connecting blocks are fixed with the inner walls of the two sides of the indicating ring through bolts respectively.
Preferably, the side wall of the protective cover is marked with scale marks at the position close to the edge of the rectangular hole.
Preferably, the top end of the valve rod penetrates through the top end of the protective cover, and the top end of the valve rod is provided with a limiting cap.
Preferably, the indicating ring is formed by injection molding of a noctilucent material, and a noctilucent layer is arranged in the scale mark line.
The utility model has the advantages that:
through the sprue that sets up, the tubular metal resonator and the water conservancy diversion hole that the cooperation set up, convenient automatic regulation and control pressure release speed, safe and reliable more combines the instruction ring and the scale marking that set up simultaneously, makes things convenient for the displacement volume of feedback valve rod, makes things convenient for feedback pressure size, and it is convenient to observe, improves work efficiency, and is more directly perceived.
Drawings
Fig. 1 is a schematic structural view of a welded spring type safety valve according to the present invention;
fig. 2 is the utility model provides a partial sectional structure schematic diagram of welding type spring relief valve.
In the figure: the device comprises a first welding head 1, a valve body 2, a protective cover 3, a rectangular hole 4, a scale mark 5, a valve rod 6, an indicating ring 7, a second welding head 8, a material guide sleeve 9, a plugging block 10, a metal pipe 11, a flow guide hole 12, a metal ring sheet 13, a spring piece 14 and a limiting convex ring 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a welded spring type safety valve comprises a valve body 2, a first welding head 1 and a second welding head 8 communicated with the interior of the valve body 2 are arranged at the bottom end and the side wall of the valve body 2, a jack is arranged at the top end of the valve body 2, a valve rod 6 is inserted into the inner wall of the jack, a limiting convex ring 15 is arranged at the position, close to the top end of the valve body 2, of the side wall of the valve rod 6, a spring part 14 is sleeved at the position, close to the top end of the limiting convex ring 15, of the side wall of the valve rod 6, a protective cover 3 is fixed at the top end of the valve body 2 through bolts, a metal ring sheet 13 is welded on the inner wall of the protective cover 3, the metal ring sheet 13 is sleeved with the outer wall of the valve rod 6, a guide sleeve 9 communicated with the first welding head 1 is welded on the inner wall of the bottom end of the valve body 2, a blocking block 10 is, the edge of the block 10 is inserted into the inner wall of the metal pipe 11, and the side wall of the metal pipe 11 is provided with guide holes 12 distributed at equal intervals.
The utility model discloses in, 3 both sides outer walls of protection casing all opened rectangular hole 4, the connecting block has all been welded to 6 both sides of valve rod, and two connecting blocks pass two rectangular hole 4 respectively, 3 outer walls of protection casing have cup jointed indicating ring 7, and two connecting blocks pass through the bolt fastening with 7 both sides inner walls of indicating ring respectively, 3 lateral walls of protection casing are close to 4 border position departments of rectangular hole and are carved with scale marking 5, 3 tops of protection casing are passed on 6 tops of valve rod, and 6 tops of valve rod are equipped with spacing cap, indicating ring 7 is by night light material injection moulding, be equipped with the night light layer in the scale marking 5.
The working principle is as follows: during the use, cooperate first soldered connection 1 and second soldered connection 8, set up the relief valve welding in the suitable pipeline, when material pressure exceeded the pressure of spring part 14, valve rod 6 shifts up, make sprue 10 shift up along the tubular metal resonator 11 inner wall, switch on the water conservancy diversion hole 12 of corresponding position department, the material passes water conservancy diversion hole 12 and realizes the pressure release, it is more to move up as sprue 10, the water conservancy diversion hole 12 that switches on is just more, the pressure release effect is just faster, simultaneously under two connecting block effects, drive indicating ring 7 and shift up, cooperation scale 5, the displacement amount of valve rod 6 can be fed back.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A welded spring type safety valve comprises a valve body (2) and is characterized in that a first welding head (1) and a second welding head (8) which are communicated with the inside of the valve body are arranged at the bottom end and the side wall of the valve body (2), an insertion hole is formed in the top end of the valve body (2), a valve rod (6) is inserted into the inner wall of the insertion hole, a limiting convex ring (15) is arranged at the position, close to the top end of the valve body (2), of the side wall of the valve rod (6), a spring piece (14) is sleeved at the position, close to the top end of the limiting convex ring (15), of the side wall of the valve rod (6), a protective cover (3) is fixed at the top end of the valve body (2) through bolts, a metal ring piece (13) is welded on the inner wall of the protective cover (3), the metal ring piece (13) is sleeved with the outer wall of the valve rod (6), a material guide sleeve, the bottom end of the plugging block (10) is of a frustum-shaped structure, the plugging block (10) is connected with the top end of the material guide sleeve (9) in an inserting mode, a metal pipe (11) is arranged in the valve body (2), the valve rod (6) and the material guide sleeve (9) are arranged in the metal pipe (11), the edge of the plugging block (10) is connected with the inner wall of the metal pipe (11) in an inserting mode, and the side wall of the metal pipe (11) is provided with flow guide holes (12) distributed equidistantly.
2. The welding type spring type safety valve according to claim 1, wherein rectangular holes (4) are formed in the outer walls of the two sides of the protective cover (3), connecting blocks are welded to the two sides of the valve rod (6) and penetrate through the two rectangular holes (4), the indicating ring (7) is sleeved on the outer wall of the protective cover (3), and the two connecting blocks are fixed to the inner walls of the two sides of the indicating ring (7) through bolts.
3. A welded spring safety valve according to claim 2, in which the side wall of the shield (3) is marked with graduated markings (5) near the edges of the rectangular opening (4).
4. A welded spring safety valve according to claim 2, wherein the top end of the valve stem (6) passes through the top end of the safety cap (3), and the top end of the valve stem (6) is provided with a stop cap.
5. A welded spring safety valve according to claim 3, wherein the indicator ring (7) is injection moulded from a night light material, and the scale markings (5) are provided with a night light layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559276.8U CN211010028U (en) | 2019-09-19 | 2019-09-19 | Welding type spring relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559276.8U CN211010028U (en) | 2019-09-19 | 2019-09-19 | Welding type spring relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211010028U true CN211010028U (en) | 2020-07-14 |
Family
ID=71473094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559276.8U Active CN211010028U (en) | 2019-09-19 | 2019-09-19 | Welding type spring relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211010028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382896A (en) * | 2022-01-12 | 2022-04-22 | 合肥通用机械研究院有限公司 | Spring direct load type safety valve for low-temperature medium |
-
2019
- 2019-09-19 CN CN201921559276.8U patent/CN211010028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382896A (en) * | 2022-01-12 | 2022-04-22 | 合肥通用机械研究院有限公司 | Spring direct load type safety valve for low-temperature medium |
| CN114382896B (en) * | 2022-01-12 | 2023-10-27 | 合肥通用机械研究院有限公司 | Spring direct load type safety valve for low-temperature medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211010028U (en) | Welding type spring relief valve | |
| CN204985956U (en) | Cylinder type air valve | |
| CN108386570B (en) | Air bag cork water quantity adjusting mechanism | |
| CN206530791U (en) | A kind of fast disassembly type connecting pipe | |
| CN209791491U (en) | Pressurized reaction kettle with automatic pressure relief device | |
| CN204127448U (en) | A kind of float type machinery leakage preventer | |
| CN211418345U (en) | Waste liquid barrel with liquid level alarming function | |
| CN204345044U (en) | Float type leakproof switch | |
| CN210761231U (en) | Security protection life saving equipment | |
| CN208518990U (en) | A kind of hydraulic directional valve | |
| CN211779235U (en) | High sensitive gas self-closing valve | |
| CN208687418U (en) | A kind of rescue under water uses watertight light fitting | |
| CN213632776U (en) | Water conservancy detection sample collection system | |
| CN205087111U (en) | Submarine geosphere closes up adjusts poor no sign indicating number frock of wooden partition | |
| CN106312038A (en) | Safety control method for long ladle nozzle | |
| CN201031984Y (en) | Tap water safety valve | |
| CN203309286U (en) | Electronically-controlled overflow prevention self-closing water valve system | |
| CN217204428U (en) | Leakage-testing water tank with controllable liquid level | |
| CN214530522U (en) | Sealing device for leakage channel | |
| CN214662056U (en) | Hydraulic valve for pilot hydraulic control | |
| CN205085561U (en) | Adjust hang down straightness's no sign indicating number frock of submarine rib and geosphere | |
| CN211203010U (en) | High-temperature high-pressure spring type safety valve | |
| CN203415073U (en) | Anti-leakage alarm | |
| CN211693730U (en) | Valve capable of being automatically closed | |
| CN217606744U (en) | Buoyancy dry-burning-resistant lever switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |