CN209818831U - High-precision safety valve - Google Patents
High-precision safety valve Download PDFInfo
- Publication number
- CN209818831U CN209818831U CN201920382025.0U CN201920382025U CN209818831U CN 209818831 U CN209818831 U CN 209818831U CN 201920382025 U CN201920382025 U CN 201920382025U CN 209818831 U CN209818831 U CN 209818831U
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- shell
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- valve body
- post
- safety valve
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Abstract
The utility model belongs to the technical field of the relief valve technique and specifically relates to a relief valve of high accuracy, which comprises a valve body, the second casing is installed through the bolt to the upside of valve body, the equal fixed mounting in lower part both sides of second casing has the guide bar, the lower surface mounting of movable block has sealed the pad, install the spring between second lug and the first lug, the removal post is installed to the inboard of sealing washer, the lower extreme that removes the post is contradicted with the second lug, remove outside one side of post and install the rack, the installation casing is installed to outside one side of first shell, the outside of pivot is fixed cup jointed the pointer and with rack toothing's gear, the calibrated scale is installed to one side of installation casing. Compared with the prior art, the utility model, excellent in use effect, the pressure value after the definite regulation that can be accurate need not verify once more and detects, can raise the efficiency greatly, and stable in use, safe and reliable is worth using widely.
Description
Technical Field
The utility model relates to a relief valve technical field especially relates to a relief valve of high accuracy.
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.
When the existing safety valve is used, after pressure is adjusted, the pressure value of the safety valve is difficult to determine, pressure detection is needed, the safety valve is inconvenient to use, and the working efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-precision safety valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a high-precision safety valve, comprising a valve body, wherein an outlet is arranged at the right side of the valve body, an inlet is arranged in the middle of the lower side of the valve body, four mounting holes are arranged at the edge of the lower side of the valve body at equal intervals, a second shell is mounted at the upper side of the valve body through bolts, guide rods are fixedly mounted at both sides of the lower part of the second shell, a moving block is sleeved at the outer side of each guide rod, a sealing gasket is mounted at the lower surface of each moving block, the lower surface of each sealing gasket is abutted against the valve body, a first convex block is arranged on the upper surface of each moving block, a second convex block is slidably mounted in the second shell, a spring is mounted between each second convex block and the first convex block, a guide column is fixedly mounted at the upper part of the inner side of the second shell, a sealing ring is mounted at the inner side of each, remove the lower extreme and the conflict of second lug of post, first shell is installed to the upper end of second casing, upper end threaded connection between the second casing has adjusting bolt, adjusting bolt's lower extreme is contradicted with the limiting plate, remove outside one side of post and install the rack, the installation casing is installed to outside one side of first shell, one side of installation casing is rotated and is installed the pivot, the outside of pivot is fixed cup jointed the pointer and with rack toothing's gear, the calibrated scale is installed to one side of installation casing.
Preferably, the front surface of the mounting shell is provided with an observation window.
Preferably, the moving block and the first bump are of an integrally formed structure, and the first housing and the mounting housing are of an integrally formed structure.
Preferably, the upper end of the sealing ring is located between the first shell and the second shell, and the lower end of the sealing ring is fixedly connected with the guide column through a bolt.
Preferably, the second housing and the guide rod are fixedly connected by welding.
The utility model provides a pair of relief valve of high accuracy, beneficial effect lies in: the utility model discloses adjusting bolt that is equipped with drives the limiting plate and removes, and the limiting plate drives and removes the post and removes, and it drives the second lug and removes to remove the post, and the second lug drives the spring compression, and it drives the rack and removes simultaneously, and the rack drives the gear revolve, and the gear drives the pointer through the pivot and rotates, and the different positions of the directional calibrated scale of pointer realize presenting the pressure value that the spring was adjusted in calibrated scale department to can realize accurate regulation, compared with prior art, excellent in use effect, the pressure value after can accurate definite regulation need not verify once more and detect, can improve efficiency greatly, and stable in use, safe and reliable is worth using widely.
Drawings
Fig. 1 is a schematic view of an internal structure of a safety valve with high precision according to the present invention;
fig. 2 is a schematic structural view of a safety valve with high precision according to the present invention;
fig. 3 is a schematic structural diagram of a part a of the safety valve with high accuracy according to the present invention.
In the figure: the valve comprises a valve body 1, a sealing gasket 2, a guide rod 3, a first lug 4, a guide column 5, a sealing ring 6, a first shell 7, a limiting plate 8, an adjusting bolt 9, a rack 10, a moving column 11, a second lug 12, a second shell 13, a spring 14, a moving block 15, an outlet 16, an inlet 17, a mounting hole 18, an observation window 19, a mounting shell 20, a pointer 21, a dial 22, a gear 23 and a rotating shaft 24.
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. 1-3, a high-precision safety valve comprises a valve body 1, an outlet 16 is arranged on the right side of the valve body 1, an inlet 17 is arranged in the middle of the lower side of the valve body 1, four mounting holes 18 are formed in the edge of the lower side of the valve body 1 at equal intervals, a second shell 13 is mounted on the upper side of the valve body 1 through bolts, the second shell 13 and a guide rod 3 are fixedly connected through welding, the connection strength is enhanced, and the use stability is improved.
The guide rods 3 are fixedly mounted on two sides of the lower portion of the second shell 13, the moving block 15 is sleeved on the outer side of each guide rod 3, the moving block 15 and the first protruding block 4 are of an integrally formed structure, the first shell 7 and the mounting shell 20 are of an integrally formed structure, connection strength is enhanced, and use stability is improved.
The lower surface of the moving block 15 is provided with the sealing gasket 2, the lower surface of the sealing gasket 2 is abutted to the valve body 1, the upper surface of the moving block 15 is provided with the first lug 4, the second lug 12 is arranged inside the second shell 13 in a sliding manner, the spring 14 is arranged between the second lug 12 and the first lug 4, the guide column 5 is fixedly arranged on the upper portion of the inner side of the second shell 13, the sealing ring 6 is arranged on the inner side of the guide column 5, the upper end of the sealing ring 6 is located between the first shell 7 and the second shell 13, the lower end of the sealing ring 6 is fixedly connected with the guide column 5 through a bolt, the sliding of the sealing ring 6 can be effectively prevented, and the use stability of the.
Remove post 11 is installed to the inboard of sealing washer 6, limiting plate 8 is installed to the upper end of removing post 11, the lower extreme and the conflict of second lug 12 of removing post 11, first shell 7 is installed to the upper end of second casing 13, upper end threaded connection between the second casing 13 has adjusting bolt 9, adjusting bolt 9's lower extreme and the conflict of limiting plate 8, rack 10 is installed to outside one side of removing post 11, installation casing 20 is installed to outside one side of first shell 7, the front of installation casing 20 is equipped with observation window 19, be convenient for observe the position of pointer 21 on calibrated scale 22 through observation window 19, protect pointer 21 and calibrated scale 22 simultaneously, prevent that pointer 21 and calibrated scale 22 from being impaired.
A rotating shaft 24 is rotatably mounted on one side of the mounting shell 20, a pointer 21 and a gear 23 meshed with the rack 10 are fixedly sleeved on the outer side of the rotating shaft 24, and a dial 22 is mounted on one side of the mounting shell 20.
The working principle is as follows: during the use, install the relief valve in required position through mounting hole 18, adjusting bolt 9 that is equipped with drives limiting plate 8 and removes, limiting plate 8 drives and removes post 11 and removes, it removes post 11 and drives second lug 12 and remove, second lug 12 drives spring 14 and compresses, it drives rack 10 and removes to remove post 11 simultaneously, rack 10 drives gear 23 and rotates, gear 23 drives pointer 21 through pivot 24 and rotates, pointer 21 points to the different positions of calibrated scale 22, the realization presents the pressure value that spring 14 adjusted in calibrated scale 22 department, thereby can realize accurate regulation, after the medium that gets into from import 17 reached the regulating value of spring 14, movable block 15 removes, the medium is discharged from export 16, realize the safety protection function of relief valve.
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. The high-precision safety valve comprises a valve body (1) and is characterized in that an outlet (16) is arranged on the right side of the valve body (1), an inlet (17) is arranged in the middle of the lower side of the valve body (1), four mounting holes (18) are formed in the edge of the lower side of the valve body (1) at equal intervals, a second shell (13) is mounted on the upper side of the valve body (1) through bolts, guide rods (3) are fixedly mounted on two sides of the lower portion of the second shell (13), a moving block (15) is sleeved on the outer side of each guide rod (3) together, a sealing gasket (2) is mounted on the lower surface of each moving block (15), the lower surface of each sealing gasket (2) is abutted to the valve body (1), a first bump (4) is arranged on the upper surface of each moving block (15), a second bump (12) is slidably mounted inside the second shell (13), and a spring (14) is mounted between the second bump (12) and, the utility model discloses a novel structure of a lock, including second casing (13), the inboard upper portion fixed mounting of second casing (13) has guide post (5), sealing washer (6) are installed to the inboard of guide post (5), removal post (11) are installed to the inboard of sealing washer (6), limiting plate (8) are installed to the upper end of removing post (11), the lower extreme that removes post (11) contradicts with second lug (12), first shell (7) are installed to the upper end of second casing (13), upper end threaded connection between second casing (13) has adjusting bolt (9), the lower extreme and limiting plate (8) of adjusting bolt (9) contradict, rack (10) are installed to outside one side of removing post (11), installation casing (20) are installed to outside one side of first shell (7), one side of installation casing (20) is rotated and is installed pivot (24), the fixed cover in the outside of pivot (24) has pointer (21) and gear (23) with rack (10) meshing And a dial (22) is installed on one side of the installation shell (20).
2. A high accuracy safety valve according to claim 1, wherein the front face of the mounting housing (20) is provided with a viewing window (19).
3. A high accuracy safety valve according to claim 1 wherein the moving mass (15) and first cam (4) are of integral construction and the first housing (7) and mounting housing (20) are of integral construction.
4. A high accuracy safety valve according to claim 1, wherein the upper end of the sealing ring (6) is located between the first outer shell (7) and the second housing (13), and the lower end of the sealing ring (6) is fixedly connected to the guide post (5) by means of a bolt.
5. A high-precision safety valve according to claim 1, characterized in that the second housing (13) and the guide rod (3) are fixedly connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382025.0U CN209818831U (en) | 2019-03-25 | 2019-03-25 | High-precision safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382025.0U CN209818831U (en) | 2019-03-25 | 2019-03-25 | High-precision safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818831U true CN209818831U (en) | 2019-12-20 |
Family
ID=68876971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920382025.0U Active CN209818831U (en) | 2019-03-25 | 2019-03-25 | High-precision safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254897A (en) * | 2020-10-27 | 2021-01-22 | 宁波星箭航空机械制造有限公司 | Hard seal relief valve check out test set |
-
2019
- 2019-03-25 CN CN201920382025.0U patent/CN209818831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254897A (en) * | 2020-10-27 | 2021-01-22 | 宁波星箭航空机械制造有限公司 | Hard seal relief valve check out test set |
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