CN211081599U - Piston ring sealing flat-open box chamber door structure - Google Patents
Piston ring sealing flat-open box chamber door structure Download PDFInfo
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- CN211081599U CN211081599U CN201921688201.XU CN201921688201U CN211081599U CN 211081599 U CN211081599 U CN 211081599U CN 201921688201 U CN201921688201 U CN 201921688201U CN 211081599 U CN211081599 U CN 211081599U
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Abstract
The utility model discloses a sealed flat-open case room door structure of piston ring, the vertical setting of door frame, the door frame is provided with the bilayer structure that holds the chamber for inside, the opening has been seted up on the surface of door frame, the guide way has been seted up in the door frame, the door plant setting hold the intracavity and with guide way sliding connection, the cylinder body end that drives actuating cylinder is fixed on the door frame, the tailpiece of the piston rod that drives actuating cylinder penetrates to holding intracavity and door plant fixed connection, the door frame is located the open-ended and has seted up the annular groove on the position all around, be provided with the inflatable seal circle in the annular groove, be provided with intake pipe and exhaust. Aim at solves among the prior art nuclear industry sealing door's sealed effect poor and the easy wearing and tearing of sealing washer and the most artifical manually operation's of conventional case room door problem. The technical effects achieved are as follows: the automatic opening and closing of the sealing door are realized, the radiation hazard of manual operation is avoided, the abrasion of the sealing ring caused by frequent opening and closing of the door plate is reduced, and the sealing effect is good.
Description
Technical Field
The embodiment of the utility model provides a nuclear industry has shielding function equipment technical field, concretely relates to a piston ring seals flat-open box room door structure that is arranged in radiation environment box room and external communication channel to open and close, still relates to the control method of a piston ring seals flat-open box room door structure.
Background
In the field of manufacturing, processing and processing of nuclear materials, radiation factors must be considered to meet the requirements for worker protection and space environment, the radiation environment contained in a box room generally realizes the shielding function through a box room shell with a certain wall thickness or coated with special materials, but in order to meet the requirements for transporting in and out materials and the like, communication channels with the outside or the box room must be arranged, the shielding and sealing requirements also need to be considered for the channels, so as to avoid the harm to personnel and the like caused by excessive radiation dosage or radiation aerosol leakage caused by normal opening, therefore, the channels of the box room are provided with sealing doors with the shielding function, the doors are made into dead connection, when the doors are required to be opened, the doors are disassembled by personnel, the materials are manually assembled back after being transported, on one hand, the radiation hazard to the personnel caused by field operation cannot be ignored, on the other hand, the manual assembly and disassembly efficiency is low, the requirement on the operation space is large, the application occasions of some boxes often cannot meet the requirement, the repeated assembly and disassembly sealing performance is reduced, and the defects are more and more obvious.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a piston ring seals flat-open box door structure to solve the problem that the sealed effect of nuclear industry sealing door is poor and the sealing washer is worn and torn easily among the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the first aspect of the embodiment of the utility model, an expansion ring sealing side-hung box chamber door structure is arranged on a box chamber which is required to be shielded and sealed in the nuclear industry, and is used for realizing the opening and closing of a channel for communicating the box chamber with the outside, and comprises a driving cylinder, a door frame, a door plate and an inflating sealing ring; the vertical setting of door frame, the door frame is provided with the bilayer structure who holds the chamber for inside, the opening has been seted up on the surface of door frame, the guide way has been seted up in the door frame, the door plant setting hold the intracavity and with guide way sliding connection, the cylinder body end that drives actuating cylinder is fixed on the door frame, the tailpiece of the piston rod that drives actuating cylinder penetrates to holding intracavity and door plant fixed connection, the door frame is located the open-ended and has seted up the annular groove on the position all around, be provided with inflatable seal in the annular groove, last intake pipe and the exhaust tube of being.
Further, the device also comprises a cylinder fixing plate, an upper flange and a lower flange; the upper flange passes through bolted connection in the upper end of door frame, and lower flange welded fastening is at the lower extreme of door frame, and the cylinder fixed plate passes through bolted connection on the upper flange, and the lower terminal surface butt of cylinder fixed plate is on the up end of upper flange, and the cylinder body end of actuating cylinder passes through bolted connection to be fixed on the up end of cylinder fixed plate, and the tailpiece of the piston rod end of actuating cylinder passes cylinder fixed plate and upper flange in proper order and stretches into to holding the intracavity.
Further, still include first sealing washer, the hole of cylinder fixed plate realizes sealedly through compressing tightly a first sealing washer with the cooperation department that drives actuating cylinder.
Furthermore, the door frame sealing device further comprises a second sealing ring, and the lower end face of the upper flange and the upper end face of the door frame are sealed by pressing the second sealing ring.
Furthermore, the sealing device also comprises a third sealing ring, and the sealing between the lower end surface of the cylinder fixing plate and the upper end surface of the upper flange is realized by pressing the third sealing ring.
Furthermore, the first sealing ring, the second sealing ring and the third sealing ring are all O-shaped sealing rings.
Further, still include a plurality of fixing bolt, a plurality of fixation nut and a plurality of gasket, fixing bolt, fixation nut and the quantity of gasket are the same, aerify sealing washer and a plurality of fixing bolt bonding, and every fixing bolt is fixed in the annular groove of door frame through a fixation nut, is provided with a gasket between every fixing bolt and the door frame.
Further, a plurality of fixing bolts are evenly arrayed along the extending direction of the annular groove.
Furthermore, intake pipe and exhaust tube all pass through the nut to be fixed on the door frame, and the intake pipe passes the inside intercommunication of door frame and inflatable seal circle, and the exhaust tube passes the inside intercommunication of door frame and inflatable seal circle, and intake pipe and exhaust tube all are provided with the solenoid valve.
Furthermore, the opening is rectangular, and the inflatable sealing ring is square.
According to the utility model discloses in the second aspect of the embodiment, a control method of piston ring seal flat-open box door structure uses the utility model discloses an arbitrary piston ring seal flat-open box door structure of the first aspect of the embodiment, include following step:
step one, after confirming that a box chamber door needs to be opened, performing air extraction operation on an inflatable sealing ring by a sealing control system through an air extraction pipe to reach a preset vacuum degree, ensuring that the inflatable sealing ring is completely retracted into an annular groove of a door frame, and enabling the inflatable sealing ring to be separated from a sealing surface of a door plate;
after the inflatable sealing ring is confirmed to be separated from the door plate, starting a driving cylinder to open the door plate, switching the solenoid valve of the driving cylinder pipeline to supply air, and pushing a piston rod of the cylinder to move upwards;
step three, a piston rod of the driving cylinder moves upwards to drive the door plate to be pulled open, and finally the door plate reaches an opening position, so that the communication between the box chamber and an external communication channel is realized;
after confirming that the sealing door needs to be closed, driving an electromagnetic valve of a cylinder pipeline to switch air supply and pushing a piston rod of the cylinder to move downwards;
fifthly, a piston rod of the driving cylinder moves downwards to drive the door plate to move downwards and finally reach a closed position, and a communication channel between the box chamber and the outside is closed;
step six, after the door panel is confirmed to reach the completely closed position, the sealing control system performs inflation operation on the inflatable sealing ring through the air inlet pipe to reach a preset pressure, so that the inflatable sealing ring is ensured to be completely pressed on the sealing surface of the door panel and is pressed with the sealing surface of the door panel to ensure sealing;
and step seven, the door plate sealing is completed after the sealing condition of the sealing door is checked, and the sealing door is in a shielding sealing working state after the sealing door is checked to be correct.
The utility model has the advantages of as follows:
1. the automatic opening and closing of the sealing door are realized by remotely controlling the up-and-down movement of the operation cylinder, the radiation hazard caused by manual operation is avoided, the automatic operation can be remotely controlled, and the working environment of personnel is improved;
2. the door plate is arranged in the double-layer structure of the door frame, so that the door plate is opened and closed and contained in the containing cavity of the door frame, and the occupied operation space is small;
3. the inflatable sealing ring is connected to the door frame through the fixing bolt, so that the inflatable sealing ring is convenient to replace and maintain;
4. the inflation and deflation of the inflatable sealing ring are realized through the air inlet pipe and the exhaust pipe, the intermittent contact between the inflatable sealing ring and the door plate is realized, and the abrasion of the sealing ring caused by frequently opening and closing the door plate is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a front view of a piston ring sealed horizontally-opened box chamber door structure according to some embodiments of the present invention.
Fig. 2 is a K-K cross-sectional view of an piston ring seal flush box door structure of fig. 1.
Fig. 3 is a partial enlarged view of a portion a of the structure of the piston ring sealing side-hung box chamber door provided in fig. 2.
Fig. 4 is a partial enlarged view of a portion b of a piston ring sealing side hung box chamber door structure provided in fig. 2.
Fig. 5 is a partial enlarged view of a piston ring sealing side hung box chamber door structure provided in fig. 2 at the position c.
FIG. 6 is a top view of a piston ring sealed flush box door structure as provided in FIG. 1.
FIG. 7 is a C-C cross-sectional view of a piston ring seal flush box door structure of the type provided in FIG. 1.
FIG. 8 is a D-D cross-sectional view of one of the piston ring seal flush box door structures provided in FIG. 1.
FIG. 9 is a cross-sectional view, E-E, of one of the piston ring seal flush box door structures provided in FIG. 1.
In the figure: 1. the air pump comprises a driving air cylinder, 2, an air cylinder fixing plate, 3, a door frame, 4, an inflation sealing ring, 5, a fixing bolt, 6, a fixing nut, 7, a door plate, 8, a lower flange, 9, a first sealing ring, 10, an upper flange, 11, a second sealing ring, 12, an air inlet pipe, 13, an air exhaust pipe, 14, a gasket, 15, a third sealing ring, 16 and an opening.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Example 1
As shown in fig. 1 to 9, an expansion ring sealed side-hung box chamber door structure in this embodiment is disposed on a box chamber required to be shielded and sealed in the nuclear industry, and is used for opening and closing a channel for communicating the box chamber with the outside, and includes a driving cylinder 1, a door frame 3, a door plate 7 and an inflatable sealing ring 4; the door frame 3 is vertically arranged, the door frame 3 is a double-layer structure with an accommodating cavity arranged inside, for example, the door frame 3 is formed by arranging two layers of plate parts at intervals, as shown in fig. 2, an opening 16 is formed in the surface of the door frame 3, a guide groove is formed in the door frame 3, preferably, two guide grooves are formed, and are respectively formed in two vertical edges, which are parallel to each other, in a containing cavity of the door frame 3, the cross section of each guide groove can be in a U shape, the door plate 7 is arranged in the containing cavity and is slidably connected with the guide groove, a cylinder body end of the driving cylinder 1 is fixed on the door frame 3, the driving cylinder 1 is arranged outside the door frame 3, a piston rod end of the driving cylinder 1 penetrates into the containing cavity and is fixedly connected with the door plate 7, an annular groove is formed in the door frame 3 at the position around the opening 16, an inflation seal ring 4 is arranged in the annular groove, and an air inlet pipe 12 and an; in the use process of the embodiment, a piston rod of the driving cylinder 1 is connected with an electromagnetic valve through an air supply pipe to supply air from an air source such as an air pump to reciprocate, and the door plate 7 is driven to reciprocate up and down in a guide groove of the door frame 3, so that the door plate 7 is opened and closed, specifically, when the piston rod of the driving cylinder 1 moves upwards, the air is discharged by the air charging sealing ring 4 through the air exhaust pipe 13, the air charging sealing ring 4 contracts to be separated from the contact between the air charging sealing ring and a sealing surface of the door plate 7, the door plate 7 is pulled open and finally reaches an opening position, and the communication between a box chamber and an external communication channel; when the piston rod of the driving cylinder 1 moves downwards, the door plate 7 moves downwards and finally reaches a closed position, the communication channel between the box chamber and the outside is closed, at the moment, the inflatable sealing ring 4 is filled with gas, and the inflatable sealing ring 4 abuts against the sealing surface of the door plate 7.
The technical effect that this embodiment reaches does: the automatic opening and closing of the sealing door are realized by remotely controlling the up-and-down movement of the operation cylinder, the radiation hazard caused by manual operation is avoided, the automatic operation can be remotely controlled, and the working environment of personnel is improved; the door plate 7 is arranged in the double-layer structure of the door frame 3, so that the door plate 7 is opened and closed and contained in the containing cavity of the door frame 3, and the occupied operation space is small; the inflatable sealing ring 4 is connected to the doorframe 3 through the fixing bolt 5, so that the replacement and maintenance of the inflatable sealing ring 4 are facilitated; the inflation and deflation of the inflatable sealing ring 4 are realized through the air inlet pipe 12 and the air exhaust pipe 13, the intermittent contact between the inflatable sealing ring 4 and the door plate 7 is realized, and the abrasion of the sealing ring caused by frequently opening and closing the door plate 7 is reduced.
Example 2
As shown in fig. 1 to 9, the structure of the piston ring sealed side-hung box chamber door in the present embodiment includes all the technical features of embodiment 1, in addition, a cylinder fixing plate 2, an upper flange 10 and a lower flange 8; as shown in fig. 6, the upper flange 10 is a rectangular plate-shaped structure, in addition, the lower flange 8 is also a rectangular plate-shaped structure, the upper flange 10 is connected to the upper end of the door frame 3 through bolts, the lower flange 8 is fixed to the lower end of the door frame 3 in a welding manner, the cylinder fixing plate 2 is connected to the upper flange 10 through bolts, the lower end surface of the cylinder fixing plate 2 abuts against the upper end surface of the upper flange 10, the cylinder body end of the driving cylinder 1 is fixed to the upper end surface of the cylinder fixing plate 2 through bolts, inner holes for the piston rod of the driving cylinder 1 to pass through are formed in both the cylinder fixing plate 2 and the upper flange 10, and the piston rod end of the driving cylinder 1 sequentially passes through the cylinder fixing; as shown in fig. 5, the sealing device further comprises a first sealing ring 9, the matching position of the inner hole of the cylinder fixing plate 2 and the driving cylinder 1 is sealed by pressing one first sealing ring 9, a groove is formed in the inner side wall of the inner hole of the cylinder fixing plate 2, the first sealing ring 9 is embedded in the groove, and in addition, the number of the first sealing rings 9 is multiple; the sealing structure further comprises a second sealing ring 11, wherein the lower end face of the upper flange 10 and the upper end face of the door frame 3 are sealed by pressing the second sealing ring 11, for example, a circular groove is formed in the surface, which is in contact with the upper flange 10, of the cylinder fixing plate 2, and the second sealing ring 11 is embedded in the circular groove; the sealing structure further comprises a third sealing ring 15, wherein the sealing is realized by pressing the third sealing ring 15 between the lower end surface of the cylinder fixing plate 2 and the upper end surface of the upper flange 10, for example, a rectangular annular groove is formed in the upper end surface of the door frame 3, and the rectangular annular third sealing ring 15 is embedded in the rectangular annular groove; for example, the first seal ring 9, the second seal ring 11, and the third seal ring 15 are all O-ring seals.
The beneficial effects in this embodiment are: the first sealing ring 9 is arranged, so that the sealing effect between the driving air cylinder 1 and the air cylinder fixing plate 2 is enhanced; the second sealing ring 11 is arranged, so that the sealing performance between the cylinder fixing plate 2 and the upper flange 10 is enhanced; by providing the third seal ring 15, the sealing performance between the upper flange 10 and the upper end surface of the door frame 3 is enhanced.
Example 3
As shown in fig. 1, 2 and 4, the structure of the piston ring sealed side-hung box chamber door in the present embodiment includes all the technical features of embodiment 2, and in addition, as shown in fig. 4, includes a plurality of fixing bolts 5, a plurality of fixing nuts 6 and a plurality of gaskets 14, the number of the fixing bolts 5, the number of the fixing nuts 6 and the number of the gaskets 14 are the same, the inflatable sealing ring 4 is adhered to the plurality of fixing bolts 5 by an adhesive, each fixing bolt 5 is fixed in the annular groove of the door frame 3 by one fixing nut 6, that is, the fixing bolt 5 is the door frame 3 passing through the bottom of the annular groove, one end of the fixing bolt 5 extends into the inside of the annular groove, the other end is located on the outer surface of the door frame 3, the end of the fixing bolt 5 located on the outer surface of the door frame 3 is connected with the fixing nut 6 by a screw thread, one gasket 14 is arranged between each fixing, the detachable connection and the sealing performance between the inflatable sealing ring 4 and the door frame 3 are realized; a plurality of fixing bolts 5 are uniformly arrayed in the extending direction of the annular groove.
The beneficial effects in this embodiment are: through setting up fixing bolt 5 and fixation nut 6, realized the timely change when inflatable seal 4 damages, be convenient for maintenance and maintenance have prolonged the life of whole device.
Example 4
As shown in fig. 1, 8 and 9, the structure of the piston ring sealed side-hung box chamber door in this embodiment includes all the technical features of embodiment 3, in addition, the air inlet pipe 12 and the air exhaust pipe 13 are both fixed on the door frame 3 through nuts, for example, a hollow is formed on the door frame 3 at the bottom of the annular groove, one end of the air inlet pipe 12 and one end of the air exhaust pipe 13 both penetrate through the bottom of the annular groove and penetrate into the sealing cavity of the inflatable sealing ring 4, the other end of the air inlet pipe 12 and the other end of the air exhaust pipe 13 are both arranged outside the door frame 3, the air inlet pipe 12 and the air exhaust pipe 13 outside the door frame 3 are respectively and correspondingly screwed with nuts, the air inlet pipe 12 penetrates through the door frame 3 and communicates with the inside of the inflatable sealing ring 4, the air exhaust pipe 13 penetrates through the door frame 3 and communicates with the inside of the inflatable sealing ring 4, the air exhaust pipe 12 and the air exhaust pipe 13 are both provided with electromagnetic valves, the control switching, thereby realizing the automatic control of the inflation and deflation of the inflatable sealing ring 4; the opening 16 is rectangular, and the inflatable sealing ring 4 is square.
The beneficial effects in this embodiment are: through setting up intake pipe 12 and exhaust tube 13, realized the gassing of inflatable seal 4 when door plant 7 is opened and the admitting air of inflatable seal 4 when door plant 7 is closed, can remote control inflatable seal 4 take a breath, have higher degree of automation.
Example 5
The control method of the piston ring sealing horizontally-opened box chamber door structure in the embodiment is used for controlling the piston ring sealing horizontally-opened box chamber door structure in any one of embodiments 1 to 4, and comprises the following steps:
step one, after confirming that a box chamber door needs to be opened, a sealing control system performs air extraction operation on an inflatable sealing ring 4 through an air extraction pipe 13 to reach a preset vacuum degree, so that the inflatable sealing ring 4 is ensured to be completely retracted into an annular groove of a door frame 3, and the inflatable sealing ring 4 is separated from a sealing surface of a door plate 7;
step two, after the inflatable sealing ring 4 is confirmed to be separated from the door plate 7, starting the driving cylinder 1 to open the door plate 7, switching the electromagnetic valve of the pipeline of the driving cylinder 1 to supply air, and pushing a piston rod of the cylinder to move upwards;
step three, a piston rod of the driving cylinder 1 moves upwards to drive the door plate 7 to be pulled open, and finally the door plate reaches an opening position, so that the communication between the box chamber and an external communication channel is realized;
after confirming that the sealing door needs to be closed, driving an electromagnetic valve of a pipeline of the cylinder 1 to switch air supply, and pushing a piston rod of the cylinder to move downwards;
fifthly, a piston rod of the driving cylinder 1 moves downwards to drive the door plate 7 to move downwards and finally reach a closed position, and a communication channel between the box chamber and the outside is closed;
step six, after the door plate 7 is confirmed to reach the completely closed position, the sealing control system performs inflation operation on the inflatable sealing ring 4 through the air inlet pipe 12 to reach the preset pressure, so that the inflatable sealing ring 4 is ensured to be completely pressed on the sealing surface of the door plate 7, and the sealing surface of the door plate 7 is ensured to be pressed to ensure sealing;
and step seven, the sealing condition of the sealing door is checked, then the sealing door 7 is sealed, and the sealing door is in a shielding sealing working state after the sealing door is checked to be correct.
The beneficial effects in this embodiment are: the air discharge of the inflatable sealing ring 4 when the door plate 7 is opened realizes that the inflatable sealing ring 4 is separated from the contact with the sealing surface of the door plate 7 when the door plate 7 is opened, and reduces the friction loss between the door plate 7 and the inflatable sealing ring 4 generated in the opening process of the door plate 7; the air inlet of the air-charging sealing ring 4 is realized when the door plate 7 is closed, the air-charging sealing ring 4 is tightly attached to the sealing surface of the door plate 7 when the door plate 7 is closed, and the sealing property of the door plate 7 is enhanced.
The utility model discloses an above-mentioned embodiment provides a piston ring seals flat-open box door structure can be used in the production line of similar production technology.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Claims (10)
1. An expansion ring sealed side-hung box chamber door structure is arranged on a box chamber required to be shielded and sealed in the nuclear industry and used for opening and closing a channel for communicating the box chamber with the outside, and is characterized by comprising a driving cylinder (1), a door frame (3), a door plate (7) and an inflatable sealing ring (4); the door frame (3) is vertically arranged, the door frame (3) is provided with a double-layer structure for accommodating the cavity, an opening (16) is formed in the surface of the door frame (3), a guide groove is formed in the door frame (3), the door plate (7) is arranged in the accommodating cavity and is in sliding connection with the guide groove, a cylinder body end of the driving cylinder (1) is fixed on the door frame (3), a piston rod end of the driving cylinder (1) penetrates into the accommodating cavity and is fixedly connected with the door plate (7), the door frame (3) is located annular grooves are formed in the positions around the opening (16), air inflation sealing rings (4) are arranged in the annular grooves, and air inlet pipes (12) and air exhaust pipes (13) are arranged on the air inflation sealing rings (4).
2. The piston ring sealing flat-open box chamber door structure as claimed in claim 1, further comprising a cylinder fixing plate (2), an upper flange (10) and a lower flange (8); go up flange (10) through bolted connection the upper end of door frame (3), lower flange (8) welded fastening be in the lower extreme of door frame (3), cylinder fixed plate (2) pass through bolted connection on going up flange (10), the lower terminal surface butt of cylinder fixed plate (2) is in on the up end of last flange (10), the cylinder body end that drives actuating cylinder (1) passes through bolted connection to be fixed on the up end of cylinder fixed plate (2), the tailpiece of the piston rod that drives actuating cylinder (1) passes in proper order cylinder fixed plate (2) and go up flange (10) stretch into to hold the intracavity.
3. The piston ring sealing side hung box chamber door structure according to claim 2, further comprising a first sealing ring (9), wherein the matching position of the inner hole of the cylinder fixing plate (2) and the driving cylinder (1) is sealed by pressing one first sealing ring (9).
4. A piston ring sealing side hung box door structure according to claim 3, further comprising a second sealing ring (11), wherein a lower end face of the upper flange (10) and an upper end face of the door frame (3) are sealed by pressing one second sealing ring (11).
5. The piston ring sealing flat-open box door structure as claimed in claim 4, characterized by further comprising a third sealing ring (15), wherein a sealing is realized between the lower end face of the cylinder fixing plate (2) and the upper end face of the upper flange (10) by pressing one third sealing ring (15).
6. A piston ring sealing side hung box door structure according to claim 5, characterized in that the first sealing ring (9), the second sealing ring (11) and the third sealing ring (15) are all O-shaped sealing rings.
7. The piston ring sealing flat-open box chamber door structure according to claim 1, further comprising a plurality of fixing bolts (5), a plurality of fixing nuts (6) and a plurality of gaskets (14), wherein the number of the fixing bolts (5), the number of the fixing nuts (6) and the number of the gaskets (14) are the same, the inflatable sealing ring (4) is adhered to the plurality of fixing bolts (5), each fixing bolt (5) is fixed in the annular groove of the door frame (3) through one fixing nut (6), and one gasket (14) is arranged between each fixing bolt (5) and the door frame (3).
8. A piston ring seal flat open box door structure according to claim 7, characterized in that a plurality of said fixing bolts (5) are uniformly arrayed along the extension direction of said annular groove.
9. The piston ring sealing flat-open box chamber door structure according to claim 1, characterized in that the air inlet pipe (12) and the air exhaust pipe (13) are fixed on the door frame (3) through nuts, the air inlet pipe (12) passes through the door frame (3) and is communicated with the inside of the inflatable sealing ring (4), the air exhaust pipe (13) passes through the door frame (3) and is communicated with the inside of the inflatable sealing ring (4), and the air inlet pipe (12) and the air exhaust pipe (13) are provided with electromagnetic valves.
10. A piston ring sealing side hung box door structure according to claim 1, characterized in that the opening (16) is rectangular and the inflatable sealing ring (4) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688201.XU CN211081599U (en) | 2019-10-10 | 2019-10-10 | Piston ring sealing flat-open box chamber door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688201.XU CN211081599U (en) | 2019-10-10 | 2019-10-10 | Piston ring sealing flat-open box chamber door structure |
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| Publication Number | Publication Date |
|---|---|
| CN211081599U true CN211081599U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921688201.XU Active CN211081599U (en) | 2019-10-10 | 2019-10-10 | Piston ring sealing flat-open box chamber door structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065220A (en) * | 2020-09-07 | 2020-12-11 | 陈利群 | Glass shower room |
| CN112856955A (en) * | 2020-12-31 | 2021-05-28 | 辽宁庆阳特种化工有限公司 | Automatic seal box of switch |
-
2019
- 2019-10-10 CN CN201921688201.XU patent/CN211081599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065220A (en) * | 2020-09-07 | 2020-12-11 | 陈利群 | Glass shower room |
| CN112856955A (en) * | 2020-12-31 | 2021-05-28 | 辽宁庆阳特种化工有限公司 | Automatic seal box of switch |
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