CN210566489U - Safety valve with protection structure for liquid transportation - Google Patents
Safety valve with protection structure for liquid transportation Download PDFInfo
- Publication number
- CN210566489U CN210566489U CN201921176253.9U CN201921176253U CN210566489U CN 210566489 U CN210566489 U CN 210566489U CN 201921176253 U CN201921176253 U CN 201921176253U CN 210566489 U CN210566489 U CN 210566489U
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- pressure
- protective structure
- semicircular
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Abstract
The utility model discloses a safety valve with a protective structure for liquid transportation, which comprises a base plate, a protective structure, a valve body and a pressure adjusting mechanism; the two sides of the substrate are both provided with connecting blocks, the two sides of each connecting block are symmetrically and rotatably connected with a protective structure, and the protective structures are in a semicircular frame shape; the middle part of the top end of each protective structure is provided with a semicircular notch, and a limit semicircular plate is arranged at the semicircular notch; the middle part of the top end of the valve body is in through connection with an adjusting pipe, the middle part of the adjusting pipe is in through connection with an overflow pipe, the top end of the inner wall of the adjusting pipe is provided with internal threads, and the adjusting pipe is internally provided with the pressure adjusting mechanism; the pressure adjusting mechanism comprises a pressure plate, a pressure spring, a telescopic rod, a pressing piece and a pressure rod; the valve body is positioned in the protective structures on the two sides, and the bottom of the adjusting pipe is positioned in a circular ring formed by the limiting semicircular plates of the protective structures on the two sides. The utility model discloses the realization is to the protection of relief valve body, adjustable spring pretightning force, convenient to use simultaneously.
Description
Technical Field
The utility model relates to a relief valve technical field especially relates to a relief valve for liquid transport with protective structure.
Background
The safety valve is used more in actual engineering, and the pressure relief can be realized under the action of external pressure by the body of the safety valve. 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.
At present, a safety valve is lack of a protection structure in the use process, and the safety valve is damaged by collision in the installation and use process, so that the industrial production is inconvenient to use; in addition, the pressure adjusting structure of the conventional safety valve is single, the opening pressure value of the valve during pressure relief cannot be well adjusted, and the pressure relief is excessive, so that resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a safety valve with a protection structure for liquid transportation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety valve with a protection structure for liquid delivery comprises a substrate 1, a protection structure, a valve body 2 and a pressure adjusting mechanism; the base plate 1 is horizontally arranged, the two sides of the top surface of the base plate 1 are respectively provided with a connecting block 11, the two sides of each connecting block 11 are respectively symmetrically and rotatably connected with a protective structure, each protective structure is in a semicircular frame shape, the two sides of each protective structure are respectively provided with a semicircular plate 22 which is longitudinally arranged, and a plurality of protective rods 24 are connected between the semicircular plates 22 at the two sides of each protective structure in a clearance mode; the other end of each semicircular plate 22 is provided with a connecting plate 23; the middle part of the top end of each protective structure is provided with a semicircular gap, and a limit semicircular plate 25 is arranged at the semicircular gap; the valve body 2 is in a circular tube shape, the middle of the top end of the valve body 2 is in a through connection with an adjusting tube 3, the adjusting tube 3 is in a hollow circular tube shape, the middle of the adjusting tube 3 is in a through connection with an overflow tube 31, the top end of the inner wall of the adjusting tube 3 is provided with internal threads, and the pressure adjusting mechanism is arranged in the adjusting tube; the pressure adjusting mechanism comprises a pressure plate 46, a pressure spring 45, an expansion link 44, a pressing piece 42 and a pressure lever 41, wherein the pressure plate 46 is transversely arranged at the bottom of the adjusting pipe 3, and the expansion link 44 is longitudinally and fixedly connected to the top surface of the pressure plate 46; the pressure spring 45 is sleeved on the telescopic rod 44; a pressing piece 42 is sleeved at the upper end part of the telescopic rod 44, the bottom of the pressing piece 42 is contacted with the top end of the pressure spring 45, the outer wall of the upper end of the pressing piece 42 is provided with an external thread, and the pressing piece 42 is in threaded connection with the internal thread at the top end of the adjusting pipe 3 through the external thread; the pressure lever 41 is longitudinally and fixedly connected to the top surface of the pressing piece 42, the top end of the pressure lever 41 extends upwards out of the adjusting pipe 3, and the top of the adjusting pipe 3 is provided with a rotating handle 4;
the valve body 2 is located in the protection structures on two sides, the bottom of the adjusting pipe 3 is located in a circular ring formed by the limiting semicircular plates 25 of the protection structures on two sides, and the connecting plates 23 corresponding to the protection structures on two sides are fixedly connected through bolts.
Preferably, the lower end of the compressing member 42 is a circular box, a through hole is arranged in the middle of the bottom plate of the circular box, and the upper end of the telescopic rod 44 is fixedly connected to the through hole; the top surface of the circular box is coaxially and fixedly connected with a movable ring body, the outer wall of the movable ring body is provided with external threads, and the movable ring body is in threaded connection with the internal threads at the top end of the adjusting pipe 3 through the external threads.
Preferably, the middle part of the connecting block 11 is recessed to have a rotating groove, rotating shafts are transversely arranged in both ends of the rotating groove, and the bottom end of the semicircular plate 22 of the protective structure is movably sleeved on the corresponding rotating shaft.
Preferably, the bottom of the telescopic rod 44 is an outer rod, the top surface of the outer rod is recessed with a sliding groove, an inner rod is slidably arranged in the sliding groove, and the top end of the inner rod is fixedly connected with a top plate through hole of the circular box.
Preferably, the outer part of the rotating handle 4 is a ring body, the inner wall of the ring body is radially connected with a plurality of spokes, and the inner ends of the spokes are fixedly connected with the top end of the pressure lever 41.
Preferably, both ends of the valve body 2 are fixedly connected with a connecting flange 21.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the protection structure is designed on the outer side of the safety valve, the protection structure can rotate, the limiting semicircular plate is arranged in the middle of the protection structure, the valve body of the safety valve can be directly placed in the protection structure, the connecting plates of the protection structures on the two sides are connected through the bolts, the protection for completely wrapping the valve body is realized, the protection effect is good, the connection is convenient, and the installation and the disassembly are very convenient;
2. the adjusting pipe is designed above the valve body, the pressing plate in the adjusting pipe is pressed through the pressure spring and moves up and down through the pressure rod screw to drive the bottom surface of the circular box to press the pressure spring, so that the acting force of the pressure spring on the pressing plate can be increased or reduced, and the overflow pressure of different fluids can be adjusted; when the fluid pushes the pressing plate to move upwards to the upper end of the inner port of the overflow pipe, the fluid overflows outwards through the overflow pipe, pressure relief is achieved, and the use is safe.
To sum up, the utility model discloses simple structure, safe in utilization, it is very convenient to install and dismantle, and can realize pressure adjustment, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of a safety valve for liquid transportation with a protective structure according to the present invention;
fig. 2 is a front view of a safety valve for liquid transportation provided with a protective structure according to the present invention;
3 fig. 3 3 3 is 3 a 3 front 3 view 3 of 3 the 3 inner 3 structure 3 of 3 fig. 3 2 3 taken 3 along 3 the 3 line 3 a 3- 3 a 3; 3
Fig. 4 is a front view of a safety structure of a safety valve for liquid transportation with a protection structure according to the present invention.
Number in the figure: the pressure regulating valve comprises a base plate 1, a connecting block 11, a valve body 2, a connecting flange 21, a semicircular plate 22, a connecting plate 23, a protective rod 24, a limiting semicircular plate 25, a regulating pipe 3, a rotating handle 4, a pressure rod 41, a pressing piece 42, a circular box 43, an expansion rod 44, a pressure spring 45 and a pressure plate 46.
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. 1-4, a safety valve with a protection structure for liquid transportation includes a substrate 1, a protection structure, a valve body 2, and a pressure adjusting mechanism; the base plate 1 is horizontally arranged, the two sides of the top surface of the base plate 1 are respectively provided with a connecting block 11, the two sides of each connecting block 11 are respectively symmetrically and rotatably connected with a protective structure, each protective structure is in a semicircular frame shape, the two sides of each protective structure are respectively provided with a semicircular plate 22 which is longitudinally arranged, and a plurality of protective rods 24 are connected between the semicircular plates 22 at the two sides of each protective structure in a clearance mode; the other end of each semicircular plate 22 is provided with a connecting plate 23; the middle part of the top end of each protective structure is provided with a semicircular gap, and a limit semicircular plate 25 is arranged at the semicircular gap; the valve body 2 is in a circular tube shape, the middle of the top end of the valve body 2 is in a through connection with an adjusting tube 3, the adjusting tube 3 is in a hollow circular tube shape, the middle of the adjusting tube 3 is in a through connection with an overflow tube 31, the top end of the inner wall of the adjusting tube 3 is provided with internal threads, the bottom end of the inner wall of the adjusting tube 3 is provided with a circle of limiting rings, and the pressure adjusting mechanism is arranged in the adjusting tube; the pressure adjusting mechanism comprises a pressure plate 46, a pressure spring 45, an expansion link 44, a pressing piece 42 and a pressure lever 41, wherein the pressure plate 46 is transversely arranged at the bottom of the adjusting pipe 3 and is positioned on the top surface of the limiting ring, and the expansion link 44 is longitudinally fixedly connected on the top surface of the pressure plate 46; the pressure spring 45 is sleeved on the telescopic rod 44; a pressing piece 42 is sleeved at the upper end part of the telescopic rod 44, the bottom of the pressing piece 42 is contacted with the top end of the pressure spring 45, the outer wall of the upper end of the pressing piece 42 is provided with an external thread, and the pressing piece 42 is in threaded connection with the internal thread at the top end of the adjusting pipe 3 through the external thread; the pressure lever 41 is longitudinally and fixedly connected to the top surface of the pressing piece 42, the top end of the pressure lever 41 extends upwards out of the adjusting pipe 3, and the top of the adjusting pipe 3 is provided with a rotating handle 4;
the valve body 2 is located in the protection structures on two sides, the bottom of the adjusting pipe 3 is located in a circular ring formed by the limiting semicircular plates 25 of the protection structures on two sides, and the connecting plates 23 corresponding to the protection structures on two sides are fixedly connected through bolts.
In the utility model, the lower end of the compressing component 42 is a circular box 43, the middle part of the bottom plate of the circular box 43 is provided with a through hole, the upper end of the telescopic rod 44 is fixedly connected with the through hole, and the bottom surface of the circular box 43 is contacted with the pressure spring 45; a movable ring body is coaxially and fixedly connected to the top surface of the circular box 43, an external thread is arranged on the outer wall of the movable ring body, and the movable ring body is in threaded connection with the internal thread at the top end of the adjusting pipe 3 through the external thread; the movable ring body moves up and down in the internal thread to compress or release the pressure spring.
In the utility model, a rotating groove is sunken in the middle of the connecting block 11, rotating shafts are transversely arranged in both ends of the rotating groove, and the bottom end of the semicircular plate 22 of the protective structure is movably sleeved on the corresponding rotating shaft; the protective structure can rotate around the rotating shaft to be opened or closed, so that the valve body can be conveniently connected and fixed after being placed into the protective structure, and the operation is convenient.
The utility model discloses in, the bottom of telescopic link 44 is outer pole, and the top surface indent of outer pole has the sliding tray, and the pole in the sliding tray slides and is equipped with, the top of pole and the roof through-hole rigid coupling of circular box in.
In the utility model, the outside of the rotating handle 4 is a ring body, the inner wall of the ring body is radially connected with a plurality of spokes, and the inner ends of the spokes are fixedly connected with the top end of the pressure rod 41; the rotation of the rotating handle 4 drives the pressing rod 41 to rotate, so that the movable ring body is driven to move up and down on the internal thread, the compression or the release of the pressure spring is realized through the circular box, and the adjustment of the pressure threshold value when the fluid needs to overflow when acting on the pressing plate is realized.
The utility model discloses in, the equal rigid coupling in both ends of valve body 2 has flange 21, and flange 21 is convenient for be connected with pipeline.
The working principle is as follows: firstly, opening the protection structures to enable the protection structures on the two sides to be in an open state, then placing the valve body, and enabling the bottoms of the two ends of the valve body to be located on the top surface of the connecting block; the protective structures on the two sides are rotated, the corresponding connecting plates are connected through bolts, and at the moment, the bottom of the adjusting pipe is positioned in a circular ring formed by the limiting semicircular plates of the protective structures on the two sides, so that limiting protection is realized; connecting flanges at two ends of the valve body are connected to a pipeline, and when the pressure of fluid exceeds the pressure applied to the pressure plate by the pressure spring, the pressure plate moves to the upper end of an inner port of the overflow pipe, and then overflow pressure relief is realized; when the pressure is reduced to the normal range, the pressure plate seals the port in the overflow pipe under the action of the pressure spring; the rotation of the rotating handle drives the pressure rod to rotate, so that the movable ring body is driven to move up and down on the internal thread, the compression or the release of the pressure spring is realized through the circular box, and the adjustment of the pressure threshold value when the fluid needs to overflow when acting on the pressure plate is realized; the utility model discloses simple structure, it is safe in utilization, it is very convenient that the installation is dismantled, and is good to the valve body protecting effect, avoids damaging, and can realize pressure regulation, is fit for using widely.
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 (6)
1. The utility model provides a relief valve for liquid transport with protective structure which characterized in that: comprises a substrate (1), a protective structure, a valve body (2) and a pressure adjusting mechanism; the protective structure is characterized in that the base plate (1) is horizontally arranged, connecting blocks (11) are arranged on two sides of the top surface of the base plate (1), protective structures are symmetrically and rotatably connected to two sides of each connecting block (11), each protective structure is in a semicircular frame shape, semicircular plates (22) are longitudinally arranged on two sides of each protective structure, and a plurality of protective rods (24) are connected between the semicircular plates (22) on two sides of each protective structure in a clearance mode; the other end of each semicircular plate (22) is provided with a connecting plate (23); the middle part of the top end of each protective structure is provided with a semicircular gap, and a limit semicircular plate (25) is arranged at the semicircular gap; the valve body (2) is in a circular tube shape, the middle of the top end of the valve body (2) is in a through connection with an adjusting tube (3), the adjusting tube (3) is in a hollow circular tube shape, the middle of the adjusting tube (3) is in a through connection with an overflow tube (31), internal threads are arranged at the top end of the inner wall of the adjusting tube (3), and the pressure adjusting mechanism is arranged in the adjusting tube; the pressure adjusting mechanism comprises a pressure plate (46), a pressure spring (45), an expansion link (44), a pressing piece (42) and a pressure lever (41), wherein the pressure plate (46) is transversely arranged at the bottom of the adjusting pipe (3), and the expansion link (44) is longitudinally and fixedly connected to the top surface of the pressure plate (46); the pressure spring (45) is sleeved on the telescopic rod (44); a pressing piece (42) is sleeved at the upper end of the telescopic rod (44), the bottom of the pressing piece (42) is in contact with the top end of the pressure spring (45), an external thread is arranged on the outer wall of the upper end of the pressing piece (42), and the pressing piece (42) is in threaded connection with an internal thread at the top end of the adjusting pipe (3) through the external thread; the pressing rod (41) is longitudinally and fixedly connected to the top surface of the pressing piece (42), the top end of the pressing rod (41) extends upwards out of the adjusting pipe (3), and the top of the adjusting pipe (3) is provided with a rotating handle (4);
the valve body (2) is located in the protection structures on two sides, the bottom of the adjusting pipe (3) is located in a circular ring formed by the limiting semicircular plates (25) of the protection structures on two sides, and the connecting plates (23) corresponding to the protection structures on two sides are fixedly connected through bolts.
2. The safety valve for liquid transportation with a protective structure according to claim 1, wherein: the lower end of the pressing piece (42) is a circular box, a through hole is formed in the middle of a bottom plate of the circular box, and the upper end of the telescopic rod (44) is fixedly connected to the through hole; the top surface of the circular box is coaxially and fixedly connected with a movable ring body, the outer wall of the movable ring body is provided with external threads, and the movable ring body is in threaded connection with the internal threads at the top end of the adjusting pipe (3) through the external threads.
3. The liquid delivery safety valve with a guard structure according to claim 1 or 2, wherein: the middle part of connecting block (11) is sunken to have and rotates the groove, all transversely is equipped with the pivot in the both ends that rotate the groove, the bottom movable sleeve of protective structure's semicircle board (22) is established in the pivot that corresponds.
4. The safety valve for liquid transportation with a protective structure according to claim 2, wherein: the bottom of the telescopic rod (44) is an outer rod, the top surface of the outer rod is inwards provided with a sliding groove, an inner rod is arranged in the sliding groove in a sliding mode, and the top end of the inner rod is fixedly connected with a top plate through hole of the circular box.
5. The liquid delivery safety valve with a guard structure according to claim 1 or 2, wherein: the outer part of the rotating handle (4) is a ring body, a plurality of spokes are radially connected to the inner wall of the ring body, and the inner ends of the spokes are fixedly connected with the top end of the pressing rod (41).
6. The liquid delivery safety valve with a guard structure according to claim 1 or 2, wherein: and the two ends of the valve body (2) are fixedly connected with connecting flanges (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176253.9U CN210566489U (en) | 2019-07-25 | 2019-07-25 | Safety valve with protection structure for liquid transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176253.9U CN210566489U (en) | 2019-07-25 | 2019-07-25 | Safety valve with protection structure for liquid transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566489U true CN210566489U (en) | 2020-05-19 |
Family
ID=70641352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921176253.9U Expired - Fee Related CN210566489U (en) | 2019-07-25 | 2019-07-25 | Safety valve with protection structure for liquid transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555575A (en) * | 2020-11-19 | 2021-03-26 | 山东省邮电工程有限公司 | Municipal works pipeline assembly |
| CN113653841A (en) * | 2021-08-05 | 2021-11-16 | 上海宝临防爆电器有限公司 | Safety valve |
-
2019
- 2019-07-25 CN CN201921176253.9U patent/CN210566489U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555575A (en) * | 2020-11-19 | 2021-03-26 | 山东省邮电工程有限公司 | Municipal works pipeline assembly |
| CN112555575B (en) * | 2020-11-19 | 2022-08-26 | 山东省邮电工程有限公司 | Municipal works pipeline assembly |
| CN113653841A (en) * | 2021-08-05 | 2021-11-16 | 上海宝临防爆电器有限公司 | Safety valve |
| CN113653841B (en) * | 2021-08-05 | 2023-10-31 | 上海宝临防爆电器有限公司 | Safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20200725 |