CN213394060U - Pressurization corrosion prevention device in corrosive atmosphere - Google Patents
Pressurization corrosion prevention device in corrosive atmosphere Download PDFInfo
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- CN213394060U CN213394060U CN202022384121.4U CN202022384121U CN213394060U CN 213394060 U CN213394060 U CN 213394060U CN 202022384121 U CN202022384121 U CN 202022384121U CN 213394060 U CN213394060 U CN 213394060U
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- sleeve
- seal box
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- corrosive atmosphere
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Abstract
The utility model discloses a pressurization corrosion prevention device in corrosive atmosphere, including seal box, sealing baffle, fan and through-hole, the connector has been seted up to the front surface of seal box, the internally mounted of connector has rotatory sleeve, rotatory telescopic inside is provided with fixed gear, be provided with spacing latch between fixed gear and the rotatory sleeve, the spacing groove has been seted up on limit stop's surface, all be provided with the rubber pad on the lateral wall of connector, install vent pipe between the limit stop, vent pipe's top is fixed with sealing baffle, sealing baffle's end-to-end connection has the fan, the through-hole has been seted up with rotatory telescopic junction to spacing latch. This pressurization anticorrosive device is provided with seal box, fan and vent pipe in the corruption atmosphere, injects the air to the seal box inside through the fan, makes the inside pressure increase of seal box, can make outside corrosive gas get into inside the seal box through small gap like this.
Description
Technical Field
The utility model relates to an anticorrosion technical field specifically is a pressurization anticorrosive device in corrosive atmosphere.
Background
The installation of equipment in a corrosive atmosphere (gas and liquid dripping environment) must be corrosion-resistant, but some equipment in real life cannot be easily bought to be heavy-duty, and a plurality of corrosion-resistant devices are available on the market at present, and when the corrosion-resistant devices have the following problems:
(1) some anticorrosion devices cannot block the corrosion of the equipment by the corrosive atmosphere, and only can delay the corrosion speed;
(2) the pipeline joint of the pressurization anti-corrosion device has low tightness, so that internal gas is leaked, the pressure intensity is reduced, and external corrosive gas enters the device to corrode equipment.
We have therefore proposed a pressurized corrosion protection device in a corrosive atmosphere in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressurization corrosion prevention device in the corrosive atmosphere to solve the problem on the existing market that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a pressurizing anticorrosion device in a corrosive atmosphere comprises a seal box, a fan and a through hole, wherein a connector is arranged on the front surface of the seal box, a rotating sleeve is arranged inside the connecting port, a fixed gear is arranged inside the rotating sleeve, a limit latch is arranged between the fixed gear and the rotary sleeve, a return spring is fixed below the limit latch, the tail end of the reset spring is connected to the inner surface of the rotating sleeve, the outer surface of the rotating sleeve is provided with a limit stop, the surface of the limit stop block is provided with a limit groove, the side walls of the connecting ports are provided with rubber pads, an air duct is arranged between the limit stops, a sealing baffle is fixed at the top end of the air duct, the tail end of the sealing baffle is connected with a fan, and a through hole is formed in the joint of the limiting latch and the rotating sleeve.
Preferably, the rotating sleeve and the fixed gear are both provided with two parts, the fixed gear is welded with the connecting port, the rotating sleeve is in contact connection with the connecting port, and the diameter of the rotating sleeve is larger than that of the fixed gear.
Preferably, the shape and the size of the limiting latch are matched with those of the through hole, the limiting latch forms a front-back moving structure between the rotating sleeve and the fixed gear through a return spring, and the length of the limiting latch is larger than the distance between the rotating sleeve and the fixed gear.
Preferably, be fixed connection between limit stop and the rotating sleeve, limit stop is provided with 8, and limit stop evenly distributed is on rotating sleeve's surface, limit stop's length equals the distance between rotating sleeve and the connector lateral wall.
Preferably, the shape of the limiting groove is consistent with that of the vent pipe, the size of the limiting groove is larger than that of the vent pipe, the shape of the rubber pad is the same as that of the limiting groove, and the rubber pad is fixedly connected with the side wall of the connecting port.
Preferably, both ends of the vent pipe are fixedly connected with the sealing baffle and the vent pipe respectively, the height of the sealing baffle is equal to that of the connecting port, the width of the sealing baffle is equal to the distance between the rotating sleeves, and the vent pipe is in contact connection with the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that: this pressurization anticorrosive device in corrosive atmosphere:
(1) the air pressure inside the sealing box is increased by injecting air into the sealing box through the fan, so that external corrosive gas can enter the sealing box through a tiny gap;
(2) be provided with sealing baffle, rotatory sleeve and rubber pad, rotatory sleeve is rotatory by spacing latch control, and sealing baffle is hugging closely the limit stop on the rotatory sleeve under the effect of pressure, makes the breather pipe junction can not produce the gap, and is convenient for install and dismantle the breather pipe.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
FIG. 5 is a schematic view of the top-down structure of the present invention;
fig. 6 is a schematic perspective view of the rotary sleeve of the present invention;
fig. 7 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.
In the figure: 1. a sealing box; 2. a connecting port; 3. rotating the sleeve; 4. fixing a gear; 5. limiting latch teeth; 6. a return spring; 7. a limit stop block; 8. a limiting groove; 9. a rubber pad; 10. an air duct; 11. sealing the baffle; 12. a fan; 13. and a through hole.
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 without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a pressurizing anticorrosion device in a corrosive atmosphere comprises a sealing box 1, a connecting port 2, a rotary sleeve 3, a fixed gear 4, a limiting latch 5, a reset spring 6, a limiting stop 7, a limiting groove 8, a rubber pad 9, an air duct 10, a sealing baffle 11, a fan 12 and a through hole 13, wherein the connecting port 2 is arranged on the front surface of the sealing box 1, the rotary sleeve 3 is arranged inside the connecting port 2, the fixed gear 4 is arranged inside the rotary sleeve 3, the limiting latch 5 is arranged between the fixed gear 4 and the rotary sleeve 3, the reset spring 6 is fixed below the limiting latch 5, the tail end of the reset spring 6 is connected to the inner surface of the rotary sleeve 3, the limiting stop 7 is arranged on the outer surface of the rotary sleeve 3, the limiting groove 8 is arranged on the surface of the limiting stop 7, the rubber pad 9 is arranged on the side wall of the connecting port 2, and the air duct 10 is arranged between the, a sealing baffle plate 11 is fixed at the top end of the ventilation pipeline 10, the tail end of the sealing baffle plate 11 is connected with a fan 12, and a through hole 13 is formed in the joint of the limiting latch 5 and the rotating sleeve 3.
The rotating sleeve 3 and the fixed gear 4 are both provided with two, the fixed gear 4 and the connecting port 2 are welded, the rotating sleeve 3 and the connecting port 2 are in contact connection, and the diameter of the rotating sleeve 3 is larger than that of the fixed gear 4, so that the rotating sleeve 3 can rotate around the fixed gear 4.
The shape and the size of the limiting latch 5 are matched with those of the through hole 13, the limiting latch 5 forms a front-back moving structure between the rotating sleeve 3 and the fixed gear 4 through the reset spring 6, and the length of the limiting latch 5 is larger than the distance between the rotating sleeve 3 and the fixed gear 4, so that the rotation of the rotating sleeve 3 can be manually controlled.
Be fixed connection between limit stop 7 and the rotating sleeve 3, limit stop 7 is provided with 8, and limit stop 7 evenly distributed is on the surface of rotating sleeve 8, and limit stop 7's length equals the distance between rotating sleeve 3 and the connector 2 lateral wall, makes and does not have the gap between limit stop 7 and the connector 2.
The shape of the limiting groove 8 is consistent with that of the vent pipe 10, the size of the limiting groove 8 is larger than that of the vent pipe 10, the shape of the rubber pad 9 is the same as that of the limiting groove 8, and the rubber pad 8 is fixedly connected with the side wall of the connecting port 2, so that the rubber pad 9 can block the limiting groove 8, and gas in the device is prevented from leaking.
The both ends of air duct 10 are fixed connection respectively with between sealed baffle 11, the air duct 10, and sealed baffle 11 highly equals the height of connector 2, and sealed baffle 11's width equals the distance between the rotary sleeve 3, is the contact connection between air duct 10 and the spacing groove 8, makes the leakproofness reinforcing of device.
The working principle is as follows: when the pressurizing anticorrosion device in a corrosive atmosphere is used, firstly, parts required by the pressurizing anticorrosion device are assembled, the device required to be installed is placed inside the seal box 1, the limiting latch 5 is outwards pulled out, the limiting latch 5 is separated from the fixed gear 4, the rotary sleeve 3 can rotate, the sealing baffle plate 11 penetrates through the limiting stop 7, the air duct 10 is installed in the limiting groove 8, the limiting latch 5 is loosened, the limiting latch 5 is contacted with the fixed gear 4 again under the action of the reset spring 6, the rotary sleeve 3 cannot rotate, the rotary sleeve 3 is in and out of a fixed state, and the limiting stop 7 beside the side wall of the connecting port 2 is matched with the rubber pad 9 on the side wall of the connecting port 2.
Starting a fan 12, enabling air flow generated by the fan 12 to enter the inside of the seal box 1 through an air duct 10, enabling the pressure inside the seal box 1 to be gradually increased, enabling the air inside the seal box 1 to press the seal baffle 11 on the limit baffle 7 when the pressure inside the seal box 1 exceeds the external pressure, enabling the seal box 1 to be in a completely sealed state, then stopping the operation of the fan 12, completely isolating the device inside the seal box 1 from the external corrosive gas, when the device inside the seal box 1 needs to be maintained, drawing out the limit latch 5 outwards, enabling the rotary sleeve 3 to rotate anticlockwise under the action of the seal baffle 10, enabling the air duct 10 to be separated from the connecting port 2, maintaining the device, and then repeating the above processes, wherein the above processes are the working process of the device, and contents which are not described in detail in the specification are such as a rubber pad 9, a rubber pad 7, and a rubber pad, The fan 12, etc., are well known in the art to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a pressurization corrosion prevention device in corrosive atmosphere, includes seal box (1), seal baffle (11), fan (12) and through-hole (13), its characterized in that: a connector (2) is arranged on the front surface of the seal box (1), a rotary sleeve (3) is arranged inside the connector (2), a fixed gear (4) is arranged inside the rotary sleeve (3), a limiting latch (5) is arranged between the fixed gear (4) and the rotary sleeve (3), a reset spring (6) is fixed below the limiting latch (5), the tail end of the reset spring (6) is connected to the inner surface of the rotary sleeve (3), a limiting stop block (7) is arranged on the outer surface of the rotary sleeve (3), a limiting groove (8) is arranged on the surface of the limiting stop block (7), rubber pads (9) are arranged on the side walls of the connector (2), an air duct (10) is arranged between the limiting stop blocks (7), and a seal baffle (11) is fixed at the top end of the air duct (10), the tail end of the sealing baffle (11) is connected with a fan (12), and a through hole (13) is formed in the joint of the limiting latch (5) and the rotating sleeve (3).
2. The pressurized corrosion protection device in a corrosive atmosphere according to claim 1, wherein: the rotary sleeve is characterized in that two rotary sleeves (3) and two fixed gears (4) are arranged, the fixed gears (4) and the connecting ports (2) are welded, the rotary sleeves (3) are in contact connection with the connecting ports (2), and the diameter of the rotary sleeves (3) is larger than that of the fixed gears (4).
3. The pressurized corrosion protection device in a corrosive atmosphere according to claim 1, wherein: the shape and the size of the limiting latch (5) are matched with those of the through hole (13), the limiting latch (5) forms a front-back moving structure between the rotating sleeve (3) and the fixed gear (4) through the reset spring (6), and the length of the limiting latch (5) is larger than the distance between the rotating sleeve (3) and the fixed gear (4).
4. The pressurized corrosion protection device in a corrosive atmosphere according to claim 1, wherein: be fixed connection between limit stop (7) and rotating sleeve (3), limit stop (7) are provided with 8, and limit stop (7) evenly distributed is on the surface of rotating sleeve (3), the length of limit stop (7) equals the distance between rotating sleeve (3) and connector (2) lateral wall.
5. The pressurized corrosion protection device in a corrosive atmosphere according to claim 1, wherein: the shape of the limiting groove (8) is consistent with that of the vent pipe (10), the size of the limiting groove (8) is larger than that of the vent pipe (10), the shape of the rubber pad (9) is the same as that of the limiting groove (8), and the rubber pad (9) is fixedly connected with the side wall of the connecting port (2).
6. The pressurized corrosion protection device in a corrosive atmosphere according to claim 1, wherein: the two ends of the ventilation pipeline (10) are fixedly connected with the sealing baffle (11) and the ventilation pipeline (10) respectively, the height of the sealing baffle (11) is equal to that of the connecting port (2), the width of the sealing baffle (11) is equal to the distance between the rotating sleeves (3), and the ventilation pipeline (10) is in contact connection with the limiting groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384121.4U CN213394060U (en) | 2020-10-23 | 2020-10-23 | Pressurization corrosion prevention device in corrosive atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384121.4U CN213394060U (en) | 2020-10-23 | 2020-10-23 | Pressurization corrosion prevention device in corrosive atmosphere |
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| Publication Number | Publication Date |
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| CN213394060U true CN213394060U (en) | 2021-06-08 |
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| CN202022384121.4U Active CN213394060U (en) | 2020-10-23 | 2020-10-23 | Pressurization corrosion prevention device in corrosive atmosphere |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145849A (en) * | 2020-10-23 | 2020-12-29 | 华能安源发电有限责任公司 | Pressurization corrosion prevention device in corrosive atmosphere |
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2020
- 2020-10-23 CN CN202022384121.4U patent/CN213394060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145849A (en) * | 2020-10-23 | 2020-12-29 | 华能安源发电有限责任公司 | Pressurization corrosion prevention device in corrosive atmosphere |
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