CN218380644U - Sealing plug screw for heat exchanger - Google Patents
Sealing plug screw for heat exchanger Download PDFInfo
- Publication number
- CN218380644U CN218380644U CN202222855084.XU CN202222855084U CN218380644U CN 218380644 U CN218380644 U CN 218380644U CN 202222855084 U CN202222855084 U CN 202222855084U CN 218380644 U CN218380644 U CN 218380644U
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- screw
- pressure release
- sealing bolt
- head
- heat exchanger
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Abstract
The utility model discloses a heat exchanger is with sealed plug screw, including sealing bolt and pressure release screw, the pressure release screw sets up on sealing bolt, sealing bolt all is provided with the screw thread on for tubulose cavity structure and inner wall, sealing bolt and pressure release screw all include head and pole portion, sealing bolt and pressure release screw's pole portion all is provided with the screw thread, sealing bolt and sealing bolt's head all is hexagonal prism structure, pressure release screw pole portion sets up at sealing bolt's head and is provided with sealed the pad through threaded connection and between the two, the head of pressure release screw is provided with the hexagonal recess. Provide pressure release port pressure release through the pressure release screw for pressure in the airtight space can be released, avoids leading to the scald when dismantling because of being heated the sealed plug screw that produces deformation, through detachable design, and the head of pressure release screw all is hexagonal prism structure and is provided with the hexagonal recess, is convenient for dismantle the change to the pressure release screw.
Description
Technical Field
The utility model relates to a heat exchanger technical field particularly, relates to a heat exchanger is with sealed plug screw.
Background
The heat exchanger is used for completing different heat transfer processes, and is a universal device widely applied to the industries of chemical engineering, petrochemical engineering, power, medicine, metallurgy, atomic energy and the like. The heat exchanger is a pressure container, the load fluctuation is large in the working process, the pressure fluctuation in the heat exchanger is also large, and danger is easily caused.
The heat exchanger often uses the bolt to carry out fastening connection, can not install pressure release protection device, but can produce high pressure in the airtight space during the use, and heat is long-time to be conducted and probably can make it be heated and be out of shape on the sealed plug screw in addition, consequently can cause some inevitable accidents.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a heat exchanger is with sealed plug screw to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
the utility model provides a heat exchanger is with sealed plug screw, includes sealing bolt and pressure release screw, its characterized in that: the pressure release screw sets up on sealing bolt, sealing bolt all is provided with the screw thread for on tubulose cavity structure and the inner wall, sealing bolt and pressure release screw all include head and pole portion, sealing bolt and pressure release screw's pole portion all is provided with the screw thread, sealing bolt and sealing bolt's head all is hexagonal prism structure, pressure release screw pole portion sets up at sealing bolt's head and through threaded connection and be provided with sealed the pad between the two, pressure release screw's head is provided with the hexagonal recess.
Furthermore, the head and the rod of the pressure relief screw are provided with pressure relief channels along the vertical axial center, and the rod of the pressure relief screw is uniformly provided with corresponding pressure relief ports from top to bottom.
Furthermore, the lower extreme welding that is provided with stand pipe and stand pipe in the pressure release passageway has the fixed plate, the fixed plate is with the lower extreme welded fastening of pressure release screw pole portion, be provided with the spring in the stand pipe, the one end and the fixed plate of spring are connected and the other end is provided with the sliding block, the sliding block set up on the upper portion of stand pipe and be located the pressure release passageway and with pressure release passageway sliding connection.
Further, the diameter of the screw hole at the head part of the sealing bolt is the same as that of the rod part of the pressure relief screw.
Furthermore, the thread direction of the rod part of the sealing bolt is consistent with the thread direction of the rod part of the pressure relief screw.
Furthermore, the sealing bolt and the pressure relief screw are made of metal.
The utility model provides a heat exchanger is with sealed plug screw, beneficial effect as follows:
provide pressure release mouth pressure release through the pressure release screw for pressure in the airtight space can be released, avoids leading to the scald when dismantling because of being heated the sealed plug screw that produces deformation, through detachable design, and the head of pressure release screw all is hexagonal prism structure and is provided with the hexagonal groove, is convenient for dismantle the change to the pressure release screw.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sealing plug screw for a heat exchanger according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a seal plug for a heat exchanger according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a pressure relief screw for a heat exchanger according to an embodiment of the present invention.
In the figure:
the sealing device comprises a sealing bolt 1, a pressure relief screw 2, a hexagonal groove 3, a pressure relief channel 4, a pressure relief opening 5, a guide pipe 6, a fixing plate 7, a spring 8, a sliding block 9 and a sealing gasket 10.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
the first embodiment is as follows:
please refer to fig. 1-3, according to the utility model discloses a sealing plug screw for heat exchanger, including sealing bolt 1 and pressure release screw 2, pressure release screw 2 sets up on sealing bolt 1, sealing bolt 1 all is provided with the screw thread on for tubulose cavity structure and inner wall, sealing bolt 1 and pressure release screw 2 all include head and pole portion, sealing bolt 1 and pressure release screw 2's pole portion all is provided with the screw thread, sealing bolt 1 and sealing bolt 1's head all is hexagonal prism structure, pressure release screw 2 pole portion sets up at sealing bolt 1's head and through threaded connection and be provided with sealed the pad 10 between the two, pressure release screw 2's head is provided with hexagonal groove 3.
Through the above technical scheme of the utility model, set up on sealing bolt 1 through pressure release screw 2, sealing bolt 1 all is provided with the screw thread on for tubulose cavity structure and the inner wall, sealing bolt 1 and pressure release screw 2 all include head and pole portion, sealing bolt 1 and pressure release screw 2's pole portion all are provided with the screw thread, sealing bolt 1 and sealing bolt 1's head all is hexagonal prism structure, 2 pole portions of pressure release screw set up at sealing bolt 1's head and through threaded connection and be provided with sealed the pad 10 between the two, pressure release screw 2's head is provided with hexagonal groove 3, provides the pressure release mouth through pressure release screw 2 and releases pressure for pressure in the airtight space can be released, avoids leading to the scald when dismantling because of being heated the sealing bolt 1 who produces deformation.
The second embodiment:
as shown in fig. 1-3, comprises a sealing bolt 1 and a pressure relief screw 2, wherein the pressure relief screw 2 is arranged on the sealing bolt 1, the sealing bolt 1 is of a tubular cavity structure, threads are arranged on the inner wall of the sealing bolt 1, the sealing bolt 1 and the pressure relief screw 2 both comprise a head part and a rod part, the rod parts of the sealing bolt 1 and the pressure relief screw 2 are provided with threads, the head parts of the sealing bolt 1 and the sealing bolt 1 are in hexagonal prism structures, the rod part of the pressure relief screw 2 is arranged at the head part of the sealing bolt 1 and is connected with the sealing bolt through threads, a sealing gasket 10 is arranged between the pressure relief screw and the sealing bolt, the head of the pressure relief screw 2 is provided with a hexagonal groove 3, the head and the rod of the pressure relief screw 2 are provided with a pressure relief channel 4 along the vertical axial center position, the rod part of the pressure relief screw 2 is uniformly provided with corresponding pressure relief ports 5 from top to bottom, a guide pipe 6 is arranged in the pressure relief channel 4, a fixing plate 7 is welded at the lower end of the guide pipe 6, the fixing plate 7 is welded and fixed with the lower end of the rod part of the pressure relief screw 2, a spring 8 is arranged in the guide pipe 6, one end of the spring 8 is connected with the fixed plate 7, the other end of the spring is provided with a sliding block 9, the sliding block 9 is arranged at the upper part of the guide pipe 6, is positioned in the pressure relief channel 4 and is in sliding connection with the pressure relief channel 4, the diameter of a screw hole at the head part of the sealing bolt 1 is the same as that of the rod part of the pressure relief screw 2, the thread direction of the rod part of the sealing bolt 1 is the same as that of the rod part of the pressure relief screw 2, the sealing bolt 1 and the pressure relief screw 2 are both made of metal materials, through detachable design to and the head of pressure release screw 2 all is hexagonal prism structure and is provided with hexagonal recess 3, is convenient for dismantle the change pressure release screw 2.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
When in actual application, 2 pole settings of pressure release screw are at seal bolt 1's head and through threaded connection and be provided with sealed pad 10 between the two and avoid leading to the pressure release through threaded connection between seal bolt 1 and the pressure release screw 2, provide pressure release mouth pressure release through pressure release screw 2, make the pressure in the airtight space can be released, avoid leading to the scald when dismantling because of being heated the seal bolt 1 that produces deformation, through detachable design, and pressure release screw 2's head all is hexagonal prism structure and is provided with hexagonal groove 3, be convenient for dismantle the change to pressure release screw 2.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a heat exchanger is with sealed plug screw, includes sealing bolt (1) and pressure release screw (2), its characterized in that: pressure release screw (2) set up on sealing bolt (1), sealing bolt (1) all is provided with the screw thread for on tubulose cavity structure and the inner wall, sealing bolt (1) and pressure release screw (2) all include head and pole portion, the pole portion of sealing bolt (1) and pressure release screw (2) all is provided with the screw thread, the head of sealing bolt (1) and sealing bolt (1) all is hexagonal prism structure, pressure release screw (2) pole portion sets up at the head of sealing bolt (1) and is provided with sealed pad (10) through threaded connection and between the two, the head of pressure release screw (2) is provided with hexagonal recess (3).
2. The seal plug screw for a heat exchanger according to claim 1, wherein: the head and the rod part of the pressure relief screw (2) are provided with a pressure relief channel (4) along the vertical axial center, and the rod part of the pressure relief screw (2) is uniformly provided with a corresponding pressure relief opening (5) from top to bottom.
3. The seal plug screw for a heat exchanger according to claim 2, wherein: be provided with guide tube (6) and the lower extreme welding of guide tube (6) in pressure release passageway (4) has fixed plate (7), fixed plate (7) and the lower extreme welded fastening of pressure release screw (2) pole portion, be provided with spring (8) in guide tube (6), the one end and the fixed plate (7) of spring (8) are connected and the other end is provided with sliding block (9), sliding block (9) set up on the upper portion of guide tube (6) and be located pressure release passageway (4) and with pressure release passageway (4) internal sliding connection.
4. The seal plug screw for a heat exchanger according to claim 1, wherein: the diameter of the screw hole at the head of the sealing bolt (1) is the same as that of the rod of the pressure relief screw (2).
5. The seal plug screw for a heat exchanger according to claim 1, wherein: the thread direction of the rod part of the sealing bolt (1) is consistent with the thread direction of the rod part of the pressure relief screw (2).
6. The seal plug screw for a heat exchanger according to claim 1, wherein: the sealing bolt (1) and the pressure relief screw (2) are both made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855084.XU CN218380644U (en) | 2022-10-28 | 2022-10-28 | Sealing plug screw for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855084.XU CN218380644U (en) | 2022-10-28 | 2022-10-28 | Sealing plug screw for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218380644U true CN218380644U (en) | 2023-01-24 |
Family
ID=84934966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222855084.XU Active CN218380644U (en) | 2022-10-28 | 2022-10-28 | Sealing plug screw for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218380644U (en) |
-
2022
- 2022-10-28 CN CN202222855084.XU patent/CN218380644U/en active Active
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