CN211259770U - Vacuum safety explosion-proof device - Google Patents
Vacuum safety explosion-proof device Download PDFInfo
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- CN211259770U CN211259770U CN201921987082.8U CN201921987082U CN211259770U CN 211259770 U CN211259770 U CN 211259770U CN 201921987082 U CN201921987082 U CN 201921987082U CN 211259770 U CN211259770 U CN 211259770U
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Abstract
The utility model provides a vacuum safety explosion-proof device, which comprises an adjusting screw, a support plate, an exhaust hole, a spring fixing seat, a spring supporting cylinder, a sealing baffle, a fixing plate, a valve seat upper flange, an upper fixing bolt, a valve core, a valve seat, a lower fixing bolt, a valve seat lower flange, a furnace body connecting pipe flange, a sealing ring, a furnace body connecting pipe and a furnace body shell; the adjusting screw is arranged at the uppermost end of the whole device. The supporting plate is sleeved at the corresponding position of the outer end of the spring fixing seat, and through holes are formed in the left side and the right side of the supporting plate to form exhaust holes; the sealing baffle is positioned at the corresponding position in the middle of the lower end of the spring fixing seat; the valve core is positioned in the valve seat; the furnace body is arranged at the lowest end of the whole device. The utility model discloses vacuum safety explosion-proof equipment has effectively solved among the prior art vacuum furnace electrode and has leaked and the intake pipe way is out of control and causes the stove superpressure explosion condition, effectively improves factor of safety.
Description
Technical Field
The utility model relates to a vacuum sintering auxiliary assembly technical field, in particular to vacuum safety explosion-proof equipment.
Background
Most domestic vacuum sintering furnaces lack safety explosion-proof measures, high pressure can occur in the furnaces under the condition of abnormal conditions or water leakage in the furnaces, vacuum equipment is mostly only used under the condition of vacuum or low pressure, no high-pressure precaution measures are provided, the conditions of overpressure explosion of the furnaces caused by water leakage of vacuum furnace electrodes and out-of-control air inlet pipelines frequently exist at home and abroad, casualties are reported, and the safety coefficient is extremely low; meanwhile, most of the existing explosion-proof devices have large volume, complex structure and high use cost, and do not meet the use conditions of the high-temperature vacuum furnace. Therefore, the explosion-proof device of the vacuum furnace is developed and specially used for explosion prevention of the vacuum furnace.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a simple structure effectively improves factor of safety's vacuum safety explosion-proof equipment.
The scheme of the utility model is that:
a vacuum safety explosion-proof device comprises an adjusting screw rod, a supporting plate, an exhaust hole, a spring fixing seat, a spring supporting cylinder, a sealing baffle plate, a fixing plate, a valve seat upper flange plate, an upper fixing bolt, a valve core, a valve seat, a lower fixing bolt, a valve seat lower flange plate, a furnace body connecting pipe flange plate, a sealing ring, a furnace body connecting pipe and a furnace body shell; adjusting screw sets up in the top of whole device, connects in backup pad upper end tip, links together with the spring fixing base. The supporting plate is sleeved at the corresponding position of the outer end of the spring fixing seat, and through holes are formed in the left side and the right side of the supporting plate to form exhaust holes; the exhaust hole penetrates through the upper end of the support plate; the spring fixing seat is connected between the middle part of the lower end of the supporting plate and the lower end sealing baffle; the sealing baffle is positioned at the corresponding position in the middle of the lower end of the spring fixing seat and is embedded with the fixing plate; the fixed plate is positioned at the lower end of the spring support cylinder and is connected between the spring support cylinder and the upper flange of the valve seat; the fixed plate is fixedly connected with the upper flange plate 8 of the valve seat through an upper fixed bolt; the upper fixing bolt is fixedly arranged at the corresponding positions of the left and right edges of the flange plate on the fixing plate and the valve seat.
Preferably, the valve core is positioned in the valve seat and connected between the lower end of the flange plate on the valve seat and the interior of the valve seat. The valve seat is arranged at the outer end of the valve core and connected between the upper flange of the valve seat and the lower flange of the valve seat. The lower flange of the valve seat is arranged at the upper end of the flange of the connecting pipe of the furnace body. The furnace body connecting pipe flange and the valve seat lower flange are vertically arranged and fixedly connected together through a lower fixing bolt.
Preferably, the lower fixing bolt is arranged at the corresponding positions of the left side and the right side of the lower flange of the valve seat and the flange of the connecting pipe of the furnace body, and plays a role in fixed connection. The sealing ring is positioned between the lower flange of the valve seat and the middle connecting part of the flange of the connecting pipe of the furnace body.
Preferably, the furnace body connecting pipe is arranged between the middle part of the lower end of the furnace body connecting pipe flange and the furnace body shell; the furnace body shell is arranged at the lowest end of the whole device.
Preferably, the spring support cylinder is internally provided with a vacuum pressure release cavity.
Preferably, a sealing ring is arranged between the lower end of the sealing baffle and the connecting position of the flange plate on the valve seat.
Preferably, the spring fixing seat is sleeved with a pressure adjusting spring.
Preferably, the side wall of the valve core is further provided with a plurality of pressure release air holes, so that the pressure can be rapidly released.
Preferably, a pressure-bearing cavity is formed in the valve core.
The vacuum safety explosion-proof device effectively solves the problems of overpressure explosion of the vacuum furnace caused by electrode water leakage and out-of-control air inlet pipeline of the vacuum furnace in the prior art by using the vacuum safety explosion-proof device, and effectively improves the safety coefficient; the potential safety hazard existing in the use process of the high-temperature vacuum furnace is solved, and the vacuum degree in the furnace is not influenced. The safety of the high-temperature vacuum furnace in the working process is improved, the reliability is good, and the production cost is low.
Drawings
FIG. 1: is a structural schematic diagram of the vacuum safety explosion-proof device of the utility model;
in the figure: 1-adjusting screw, 2-supporting plate, 3-exhaust hole, 4-spring fixing seat, 5-spring supporting cylinder, 6-sealing baffle, 7-fixing plate, 8-valve seat upper flange, 9-upper fixing bolt, 10-valve core, 11-valve seat, 12-lower fixing bolt, 13-valve seat lower flange, 14-furnace body connecting pipe flange, 15-sealing ring, 16-furnace body connecting pipe and 17-furnace body shell.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example (b):
as shown in fig. 1, the present embodiment provides a vacuum safety explosion-proof device, which includes an adjusting screw 1, a supporting plate 2, an exhaust hole 3, a spring fixing seat 4, a spring supporting cylinder 5, a sealing baffle 6, a fixing plate 7, a valve seat upper flange 8, an upper fixing bolt 9, a valve core 10, a valve seat 11, a lower fixing bolt 12, a valve seat lower flange 13, a furnace body connecting pipe flange 14, a sealing ring 15, a furnace body connecting pipe 16, and a furnace body casing 17; adjusting screw 1 sets up in the top of whole device, connects in backup pad 2 upper end tip, links together with spring fixing base 4. The supporting plate 2 is sleeved at the corresponding position of the outer end of the spring fixing seat 4, and through holes are formed in the left side and the right side of the supporting plate to form an exhaust hole 3; the exhaust hole 3 penetrates through the upper end of the support plate 2; the spring fixing seat 4 is connected between the middle part of the lower end of the supporting plate 2 and the lower end sealing baffle 6; the sealing baffle 6 is positioned at the corresponding position in the middle of the lower end of the spring fixing seat 4 and is embedded with the fixing plate 7; the fixed plate 7 is positioned at the lower end of the spring support cylinder 5 and is connected between the spring support cylinder 5 and the flange 8 on the valve seat; the fixed plate 7 is fixedly connected with the upper flange 8 of the valve seat through an upper fixing bolt 9; the upper fixing bolt 9 is fixedly arranged at the corresponding positions of the left edge and the right edge of the fixing plate 7 and the flange 8 on the valve seat.
Preferably, the valve core 10 is located inside the valve seat 11 and is connected between the lower end of the flange 8 on the valve seat and the inside of the valve seat 11. The valve seat 11 is arranged at the outer end of the valve core 10 and is connected between the upper flange 8 of the valve seat and the lower flange 13 of the valve seat. The valve seat lower flange 13 is arranged at the upper end of the furnace body connecting pipe flange 14. The furnace body connecting pipe flange 14 and the valve seat lower flange 13 are vertically arranged and fixedly connected together through a lower fixing bolt 12.
Preferably, the lower fixing bolts 12 are arranged at corresponding positions on the left and right sides of the valve seat lower flange 13 and the furnace body connecting pipe flange 14, and play a role in fixed connection. The sealing ring 15 is positioned between the middle connecting part of the valve seat lower flange 13 and the furnace body connecting pipe flange 14.
Preferably, the furnace body connecting pipe 16 is arranged between the middle part of the lower end of the furnace body connecting pipe flange 14 and the furnace body shell 17; the furnace body shell is arranged at the lowest end of the whole device.
Preferably, the spring support cylinder 5 is provided with a vacuum pressure release cavity therein.
Preferably, a sealing ring 15 is also arranged between the connecting position of the lower end of the sealing baffle 6 and the flange 8 on the valve seat.
Preferably, the spring fixing seat 4 is sleeved with a pressure adjusting spring.
Preferably, the side wall of the valve core 10 is further provided with a plurality of pressure release air holes, so that the pressure can be rapidly released.
Preferably, a pressure-bearing cavity is formed in the valve core 10.
The utility model discloses vacuum safety explosion-proof equipment, the theory of operation: when the pressure in the furnace body rises, the pressure generated in the furnace body is diffused to the valve core 10 through the furnace body connecting pipe 16, then the pressure is applied to the sealing baffle 6, when the pressure is enough to overcome the pressure of the spring, the sealing baffle 6 is jacked open, the whole valve core 10 is driven to move upwards, the sealing surface is damaged, then the pressure in the furnace body is released outwards through the exhaust port, and when the pressure in the furnace body is lower than the pressure of the spring, the valve core 10 returns to restore the sealing state of the furnace body. The use effect can be achieved.
The vacuum safety explosion-proof device effectively solves the problems of overpressure explosion of the vacuum furnace caused by electrode water leakage and out-of-control air inlet pipeline of the vacuum furnace in the prior art by using the vacuum safety explosion-proof device, and effectively improves the safety coefficient; the potential safety hazard existing in the use process of the high-temperature vacuum furnace is solved, and the vacuum degree in the furnace is not influenced. The safety of the high-temperature vacuum furnace in the working process is improved, the reliability is good, and the production cost is low.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. A vacuum safety explosion-proof device is characterized in that: the device comprises an adjusting screw rod (1), a supporting plate (2), an exhaust hole (3), a spring fixing seat (4), a spring supporting cylinder (5), a sealing baffle plate (6), a fixing plate (7), a valve seat upper flange (8), an upper fixing bolt (9), a valve core (10), a valve seat (11), a lower fixing bolt (12), a valve seat lower flange (13), a furnace body connecting pipe flange (14), a sealing ring (15), a furnace body connecting pipe (16) and a furnace body shell (17); the adjusting screw rod (1) is arranged at the uppermost end of the whole device, is connected to the upper end part of the supporting plate (2) and is connected with the spring fixing seat (4); the supporting plate (2) is sleeved at the corresponding position of the outer end of the spring fixing seat (4), and through holes are formed in the left side and the right side of the supporting plate to form an exhaust hole (3); the exhaust hole (3) penetrates through the upper end of the support plate (2); the spring fixing seat (4) is connected between the middle part of the lower end of the supporting plate (2) and the lower end sealing baffle plate (6); the sealing baffle (6) is positioned at the corresponding position of the middle part of the lower end of the spring fixing seat (4) and is embedded with the fixing plate (7); the fixed plate (7) is positioned at the lower end of the spring support cylinder (5) and is connected between the spring support cylinder (5) and the flange plate (8) on the valve seat; the fixed plate (7) is fixedly connected with the upper flange plate (8) of the valve seat through an upper fixing bolt (9); the upper fixing bolt (9) is fixedly arranged at the corresponding position of the left edge and the right edge of the fixing plate (7) and the flange plate (8) on the valve seat.
2. The vacuum safety explosion-proof device according to claim 1, wherein: the valve core (10) is positioned in the valve seat (11) and is connected between the lower end of the flange plate (8) on the valve seat and the inside of the valve seat (11); the valve seat (11) is arranged at the outer end of the valve core (10) and is connected between the upper flange (8) and the lower flange (13) of the valve seat; the valve seat lower flange plate (13) is arranged at the upper end of the furnace body connecting pipe flange plate (14); the furnace body connecting pipe flange (14) and the valve seat lower flange (13) are vertically arranged and fixedly connected together through a lower fixing bolt (12).
3. The vacuum safety explosion-proof device according to claim 1, wherein: the lower fixing bolts (12) are arranged at corresponding positions on the left side and the right side of the valve seat lower flange (13) and the furnace body connecting pipe flange (14); the sealing ring (15) is positioned between the lower flange plate (13) of the valve seat and the middle connecting part of the flange plate (14) of the furnace body connecting pipe.
4. The vacuum safety explosion-proof device according to claim 1, wherein: the furnace body connecting pipe (16) is arranged between the middle part of the lower end of the furnace body connecting pipe flange (14) and the furnace body shell (17); the furnace body shell (17) is arranged at the lowest end of the whole device.
5. The vacuum safety explosion-proof device according to claim 1, wherein: the spring supporting cylinder (5) is internally provided with a vacuum pressure release cavity.
6. The vacuum safety explosion-proof device according to claim 1 or 2, wherein: and a sealing ring (15) is also arranged between the connecting position of the lower end of the sealing baffle (6) and the upper flange plate (8) of the valve seat.
7. The vacuum safety explosion-proof device according to claim 1, wherein: the spring fixing seat (4) is sleeved with a pressure adjusting spring.
8. The vacuum safety explosion-proof device according to claim 1 or 2, wherein: the side wall of the valve core (10) is also provided with a plurality of pressure release air holes.
9. The vacuum safety explosion-proof device of claim 8, wherein: a pressure-bearing cavity is formed in the valve core (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987082.8U CN211259770U (en) | 2019-11-18 | 2019-11-18 | Vacuum safety explosion-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987082.8U CN211259770U (en) | 2019-11-18 | 2019-11-18 | Vacuum safety explosion-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259770U true CN211259770U (en) | 2020-08-14 |
Family
ID=71958122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921987082.8U Active CN211259770U (en) | 2019-11-18 | 2019-11-18 | Vacuum safety explosion-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259770U (en) |
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2019
- 2019-11-18 CN CN201921987082.8U patent/CN211259770U/en active Active
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| GR01 | Patent grant | ||
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Address after: 411228 No. 755, Haiou East Road, Yisuhe Town, Xiangtan County, Xiangtan City, Hunan Province (Tianyi demonstration area) Patentee after: Hunan Norbert high temperature equipment Co.,Ltd. Address before: 411200 room 1209, Tianyi Chuangye building, Yisuhe Town, Xiangtan County, Xiangtan City, Hunan Province Patentee before: Hunan Norbert high temperature equipment Co.,Ltd. |