CN209516453U - A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet - Google Patents

A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet Download PDF

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Publication number
CN209516453U
CN209516453U CN201920591595.0U CN201920591595U CN209516453U CN 209516453 U CN209516453 U CN 209516453U CN 201920591595 U CN201920591595 U CN 201920591595U CN 209516453 U CN209516453 U CN 209516453U
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China
Prior art keywords
gas chamber
mounting plate
aeration cabinet
outer gas
sealing
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CN201920591595.0U
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Chinese (zh)
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黄勤飞
王书坤
张贺
齐庆建
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Ouyue Electric Power Technology Co Ltd
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Ouyue Electric Power Technology Co Ltd
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Abstract

The utility model discloses a kind of sealing device of gas chamber of aeration cabinet and its gas chamber of aeration cabinet, including outer gas chamber and interior gas chamber, interior gas chamber is fixedly connected with outer gas chamber by mounting plate, outer gas chamber and mounting plate are correspondingly arranged on the mounting hole that suitable switch spindle passes through, the first sealing structure around mounting hole arrangement is provided between mounting plate and outer gas chamber, the second seals structure around mounting hole arrangement is provided between mounting plate and interior gas chamber, using the technical program, it can effectively prevent the gas leakage between atmosphere and outer gas chamber by the first sealing structure to occur, it can effectively prevent by second seals structure and gas leak phenomenon occur between interior gas chamber and outer gas chamber, promote the seal isolation effect of gas chamber of aeration cabinet, structural stability is good, to improve the service performance and service life of gas chamber of aeration cabinet.

Description

A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet
Technical field
The utility model relates to gas-filling cabinet fields, sealing device and its gas-filling cabinet gas more particularly to a kind of gas chamber of aeration cabinet Room.
Background technique
Gas-filling cabinet is to seal all high voltage device bus, breaker, on-load switch, disconnecting switch and mutual inductor etc. It closes in a sealed air chamber, makes built-in high voltage device not by the shadow of external environment filled with SF6 insulating gas in sealed air chamber It rings, such as condensation, filth, toy and chemical substance, securely and reliably, few maintenance is even non-maintaining, can be used in bad environments Place greatly reduces the outer dimension of gas-filling cabinet, is conducive to court since the SF6 gas filled has good insulation performance Miniaturization is readily transported and installs.
Existing a kind of gas chamber of aeration cabinet structure in the market, including outer gas chamber and to be fixed on outer gas by mounting plate indoor Interior gas chamber, and the high-voltage switch gear element being installed in interior gas chamber, by gas chamber outside switch spindle hermetically passing and mounting plate with High-voltage switch gear element in interior gas chamber is connected.Wherein, filled with SF6 insulating gas, interior chamber volume in interior gas chamber and outer gas chamber What is be generally arranged is larger, and the mounting area of mounting plate is accordingly done larger, easily causes the case where installing contact surface out-of-flatness in this way, It when being respectively cooperating with installation with inside and outside gas chamber, often will appear fixing clearance between interior gas chamber and outer gas chamber and mounting plate, seal Isolation effect is poor, and mounting stability is poor, leads to that gas leakage can all occur between inside and outside gas chamber and between outer gas chamber and outside atmosphere Phenomenon influences the service performance and service life of gas chamber of aeration cabinet.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art the mounting plate of gas chamber of aeration cabinet with Seal isolation effect between interior gas chamber and outer gas chamber is poor, so that gas leakage easily occurs between outer gas chamber and interior gas chamber and outside atmosphere The problem of, so that it is good to provide a kind of seal isolation effect, prevent from occurring between interior gas chamber and outer gas chamber and outer gas chamber and atmosphere The sealing device of the gas chamber of aeration cabinet of gas leak phenomenon.
The utility model provides a kind of sealing device of gas chamber of aeration cabinet, including outer gas chamber and is set in the outer gas room Interior gas chamber, the interior gas chamber is fixedly connected with the outer gas chamber by mounting plate, and the outer gas chamber and the mounting plate are corresponding It is provided with the mounting hole that suitable switch spindle passes through, is provided between the mounting plate and the outer gas chamber around the mounting hole First sealing structure of arrangement is provided with around the second close of mounting hole arrangement between the mounting plate and the interior gas chamber Seal structure.
In the sealing device of above-mentioned gas chamber of aeration cabinet, first sealing structure includes taking shape in institute around the mounting hole The first seal groove on the side wall of mounting plate side is stated, and the first sealing ring being contained in first seal groove, described first Sealing ring is extruded fastening when the mounting plate and the outer gas chamber are coupled.
In the sealing device of above-mentioned gas chamber of aeration cabinet, first sealing structure further includes that fixation is arranged in the mounting hole In lock sleeve, fastening is bestowed at first sealing ring to the mounting plate and the outer gas chamber after the lock sleeve is fixed Power.
In the sealing device of above-mentioned gas chamber of aeration cabinet, the lock sleeve is the screw thread axle sleeve of hollow cylindrical structure, the peace The mounting hole of loading board is the threaded hole for cooperating with the screw thread axle sleeve, being threadedly coupled.
In the sealing device of above-mentioned gas chamber of aeration cabinet, described lock sleeve one end is provided with postive stop baffle, the postive stop baffle Cooperation is pressed on the lateral wall of the outer gas chamber.
In the sealing device of above-mentioned gas chamber of aeration cabinet, the second seals structure includes taking shape in institute around the mounting hole The second seal groove on the side wall of the mounting plate other side is stated, and the second sealing ring being contained in second seal groove, described Two sealing rings are extruded fastening when the mounting plate and interior gas chamber are coupled.
The utility model also provides a kind of gas chamber of aeration cabinet, the sealing device including above-mentioned gas chamber of aeration cabinet, and setting High-voltage switch gear element in the interior gas chamber, and be arranged between the mounting plate and the outer gas chamber for keeping described The fixed structure that mounting plate and the outer gas chamber relative position are fixed.
In above-mentioned gas chamber of aeration cabinet, the fixed structure includes four be arranged on four corners of the mounting plate One connecting hole, and corresponding first connecting hole are set in the outer gas room four positioning studs on side wall, the positioning Stud is fixed after penetrating first connecting hole by nut check.
In above-mentioned gas chamber of aeration cabinet, first connecting hole is two-sided counter bore structure.
In above-mentioned gas chamber of aeration cabinet, several second connections for installing the interior gas chamber are additionally provided on the mounting plate Hole, and it is provided with the instrument hole for installing air pressure instrument.
Technical solutions of the utility model have the advantages that compared with prior art
1. in the sealing device of gas chamber of aeration cabinet provided by the utility model, around installation between mounting plate and outer gas chamber Hole is disposed with the first sealing structure, and is disposed with second seals structure around mounting hole between mounting plate and interior gas chamber, this Sample design is advantageous in that, is sealed off the gap between mounting plate and outer gas chamber and interior gas chamber respectively and is come, i.e., by the One sealing structure can effectively prevent the generation gas leak phenomenon between outside atmosphere and outer gas chamber, can have by second seals structure Effect prevents that gas leak phenomenon occurs between interior gas chamber and outer gas chamber, promotes the seal isolation effect of gas chamber of aeration cabinet, mounting stability It is good, to improve the service performance and service life of gas chamber of aeration cabinet.
2. in the sealing device of gas chamber of aeration cabinet provided by the utility model, the two sides side wall of mounting plate is respectively equipped with first Seal groove and the second seal groove enable the first sealing ring and the quick location and installation of the second sealing ring to the first seal groove and second In seal groove, cooperated when installing by interior gas chamber and outer gas chamber and mounting plate two sides side wall, respectively to the first sealing ring and Second sealing ring plays extruding contact action, to completely cut off the gap occurred between mounting plate and interior gas chamber and outer gas chamber, seals Effect is good.
3. in the sealing device of gas chamber of aeration cabinet provided by the utility model, the first sealing structure further includes that fixation is arranged in Lock sleeve in mounting hole, externally gas chamber and mounting plate apply reliable coupling mechanism force after lock sleeve fastening, make outer gas chamber interior walls and peace The even closer fitting contact of loading board, reduces existing fixing clearance between outer gas chamber and mounting plate, the extruding to the first sealing ring Contact the mounting stability that effect is also more preferable, between promotion mounting plate and outer gas chamber.
4. in gas chamber of aeration cabinet provided by the utility model, sealing device as described above is arranged, thus have naturally All advantages of bring due to above-mentioned sealing device is set, according to four first connections on four corners that mounting plate is arranged in Hole, and four positioning studs being correspondingly arranged in outer gas chamber interior walls, by the mutual cooperation of the first connecting hole and positioning stud, The location and installation between outer gas chamber and mounting plate can be fast implemented, installation site is accurate, and it is quick and easy for installation, improve installation effect Rate.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is the perspective view of gas chamber of aeration cabinet provided by the utility model;
Fig. 2 is the schematic diagram of the section structure of the gas chamber of aeration cabinet of the utility model;
Fig. 3 is the partial enlargement structural representation of gas chamber of aeration cabinet shown in Fig. 2, specifically shown sealing device;
Fig. 4 is the planar structure schematic diagram of the mounting plate of the utility model;
Description of symbols: the outer gas chamber of 1-;Gas chamber in 2-;3- mounting plate;31- mounting hole;The second connecting hole of 32-;33- instrument Table hole;The first sealing structure of 4-;The first seal groove of 41-;42- lock sleeve;421- postive stop baffle;The first sealing ring of 43-;5- second Sealing structure;The second seal groove of 51-;The second sealing ring of 52-;6- fixed structure;The first connecting hole of 61-;62- positioning stud.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
In the description of the utility model, it should be noted that, term " center ", "lower", "left", "right", " is erected at "upper" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Embodiment 1
Present embodiments provide a kind of sealing device of gas chamber of aeration cabinet as shown in Figs 1-4, including outer gas chamber 1 and setting Interior gas chamber 2 in the outer gas chamber 1, the interior gas chamber 2 and the outer gas chamber 1 are fixedly connected by mounting plate 3, the outer gas Room 1 and the mounting plate 3 are correspondingly arranged on the mounting hole 31 that suitable switch spindle passes through, the mounting plate 3 and the outer gas chamber 1 Between be provided with around the mounting hole 31 arrangement the first sealing structure 4, set between the mounting plate 3 and the interior gas chamber 2 It is equipped with the second seals structure 5 around the mounting hole 31 arrangement.
Above embodiment is the core technology scheme of the present embodiment, by surrounding peace between mounting plate 3 and outer gas chamber 1 Dress hole is disposed with the first sealing structure 4, and is disposed with the second sealing knot around mounting hole between mounting plate 3 and interior gas chamber 2 Structure 5, design is advantageous in that in this way, seals off the gap between mounting plate and outer gas chamber and interior gas chamber respectively and comes, It can effectively prevent the generation gas leak phenomenon between outside atmosphere and outer gas chamber by the first sealing structure 4, by the second sealing Structure 5 can effectively prevent that gas leak phenomenon occurs between interior gas chamber and outer gas chamber, promote the seal isolation effect of gas chamber of aeration cabinet, Mounting stability is good, to improve the service performance and service life of gas chamber of aeration cabinet.
It elaborates below with reference to specific structure of the Fig. 2 and Fig. 3 to first sealing structure 4:
First sealing structure 4 includes the taken shape on the 3 side side wall of mounting plate around the mounting hole 31 One seal groove 41, and the first sealing ring 43 being contained in first seal groove 41, this structure setting utilize described first Seal groove 41 plays the role of first sealing ring 43 quickly to pre-install positioning, and first sealing ring 43 is in the mounting plate 3 and the outer gas chamber 1 fastening is extruded when being coupled, cooperation contact is reliable and stable, connects the sealing of the first sealing ring 43 It connects between the mounting plate 3 and the outer gas chamber 1, to completely cut off the sky occurred between the mounting plate 3 and the outer gas chamber 1 Gap avoids the outer gas chamber 1 that gas leak phenomenon occurs with outside atmosphere, and sealing effect is good.
In the present embodiment, the mounting surface of the outer gas chamber 1 and the mounting plate 3 is larger, in order to prevent the outer gas chamber 1 Fixing clearance between the mounting plate 3 is excessive, and first sealing structure 4 further includes that fixation is arranged in the mounting hole 31 In lock sleeve 42, after the lock sleeve 42 is fixed to the mounting plate 3 and the outer gas chamber 1 at first sealing ring 43 Fastening force is bestowed, makes the outer gas chamber 1 and the mounting plate 3 keep fitting closely, reduces the outer gas chamber 1 and the mounting plate Existing fixing clearance between 3, it is also more preferable to the extruding of first sealing ring 43 contact effect, promoted the mounting plate 3 with Mounting stability between the outer gas chamber 1.
To be made further preferably according to above embodiment, the lock sleeve 42 is the screw thread axle sleeve of hollow cylindrical structure, and Switch spindle will not be hindered to pass through the mounting hole 31, as switch spindle be capable of lock sleeve 42 described in hermetically passing it is hollow in Chamber simultaneously enters in the interior gas chamber 2, and rationally, cooperation is reliable for design, and the mounting hole 31 of the mounting plate 3 is and the screw thread axle sleeve The threaded hole of matching thread connection, this helicitic texture are cooperatively connected reliably, are convenient to mount and dismount, and have good pretensioning effect.
As shown in figure 3, described 42 one end of lock sleeve is provided with postive stop baffle 421, and after lock sleeve fastening, the limit The position cooperation of baffle 421 is pressed on the lateral wall of the outer gas chamber 1, and the lock sleeve 42 is exerted a force by the postive stop baffle 421 It acts on the mounting plate 3, fits closely 1 side wall of outer gas chamber with 3 side wall of mounting plate.
It elaborates below with reference to specific structure of the Fig. 2 and Fig. 3 to the second seals structure 5:
The second seals structure 5 includes taking shape on 3 other side side wall of mounting plate around the mounting hole 31 Second seal groove 51, and the second sealing ring 52 being contained in second seal groove 51, second sealing ring 52 is described Mounting plate 3 and the interior gas chamber 2 are extruded fastening when being coupled, this structure setting is right using second seal groove 41 Second sealing ring 52 plays the role of quickly pre-installing positioning, is fixed on 3 side wall of mounting plate by the interior gas chamber 2 Extruding contact action is played to second sealing ring 52, second sealing ring 52 is made to be sealedly connected on 3 He of mounting plate Between the outer gas chamber 1, to completely cut off the gap occurred between the mounting plate 3 and the interior gas chamber 2, the interior gas chamber is avoided 2 occur gas leak phenomenon with the outer gas chamber 1, and sealing effect is good.
Embodiment 2
The present embodiment provides a kind of gas chamber of aeration cabinet as shown in Figs 1-4, including the close of gas chamber of aeration cabinet described in embodiment 1 Seal apparatus, and the high-voltage switch gear element being set in the interior gas chamber 1, and setting is in the mounting plate 3 and the outer gas chamber 1 Between fixed structure 6 for keeping the mounting plate 3 fixed with outer 1 relative position of gas chamber, facilitate the mounting plate 3 to exist Installation in gas chamber of aeration cabinet.The high-voltage switch gear element includes across the outer gas chamber 1, the interior gas chamber 2 and the installation The switch spindle (not showing the switch spindle in figure) of plate 3, the interior gas chamber 2 is correspondingly provided with to be led to for what switch spindle passed through Hole, the switch spindle is the operating shaft of high-voltage switch gear element, and rotation connection is sealed between the mounting hole 31 and through-hole, Guarantee that the sealing stability of gas chamber of aeration cabinet, safe operation are reliable.
It elaborates below with reference to specific structure of the Fig. 2 and Fig. 3 to the fixed structure 6:
The fixed structure 6 includes four the first connecting holes 61 being arranged on four corners of the mounting plate 3 and right First connecting hole 61 is answered to be set to four positioning studs 62 on 1 inner sidewall of outer gas chamber, the positioning stud 62 is worn It is fixed after entering first connecting hole 61 by nut check, passes through the mutual of first connecting hole 61 and the positioning stud 62 Cooperation, can fast implement the location and installation between the outer gas chamber 1 and the mounting plate 2, and installation site is accurate, easy for installation fast Victory improves installation effectiveness.
It is further preferred that first connecting hole 61 is two-sided counter bore structure, i.e. the first connecting hole runs through mounting plate two The both ends of side are designed in counter bore structure, and the positioning stud 62 and locking nut all can be contained in mounting plate to keep away in this way Exempt from exposed, guarantees the installation flatness of the mounting plate 3.
As shown in figure 4, several second connecting holes 32 for installing the interior gas chamber 2 are additionally provided on the mounting plate 3, It is fixed by bolts in second connecting hole 32 so that the interior gas chamber 2 is kept fixed with the mounting plate 3 connect, it is described Second connecting hole 32 further includes the instrument being provided with for installing air pressure instrument so as to accommodate the head of bolt for counter bore structure Table hole 33.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of sealing device of gas chamber of aeration cabinet, including outer gas chamber (1) and the interior gas chamber being set in the outer gas chamber (1) (2), the interior gas chamber (2) is fixedly connected with the outer gas chamber (1) by mounting plate (3), the outer gas chamber (1) and the installation Plate (3) is correspondingly arranged on the mounting hole (31) that suitable switch spindle passes through, it is characterised in that: the mounting plate (3) and described outer Be provided between gas chamber (1) around the mounting hole (31) arrangement the first sealing structure (4), the mounting plate (3) with it is described The second seals structure (5) around the mounting hole (31) arrangement is provided between interior gas chamber (2).
2. the sealing device of gas chamber of aeration cabinet according to claim 1, it is characterised in that: first sealing structure (4) The first seal groove (41) on the side wall of the mounting plate (3) side is taken shape in including surrounding the mounting hole (31), and is contained in The first sealing ring (43) in first seal groove (41), first sealing ring (43) is in the mounting plate (3) and described Outer gas chamber (1) is extruded fastening when being coupled.
3. the sealing device of gas chamber of aeration cabinet according to claim 2, it is characterised in that: first sealing structure (4) It further include the fixed lock sleeve (42) being arranged in the mounting hole (31), to the mounting plate after the lock sleeve (42) is fixed (3) and the outer gas chamber (1) bestows fastening force at first sealing ring (43).
4. the sealing device of gas chamber of aeration cabinet according to claim 3, it is characterised in that: the lock sleeve (42) is hollow The screw thread axle sleeve of column construction, the mounting hole (31) of the mounting plate (3) are the spiral shell for cooperating with the screw thread axle sleeve, being threadedly coupled Pit.
5. the sealing device of gas chamber of aeration cabinet according to claim 4, it is characterised in that: described lock sleeve (42) one end is set It is equipped with postive stop baffle (421), postive stop baffle (421) cooperation is pressed on the lateral wall of the outer gas chamber (1).
6. the sealing device of gas chamber of aeration cabinet according to claim 1, it is characterised in that: the second seals structure (5) Including taking shape in the second seal groove (51) on the side wall of the mounting plate (3) other side, and receiving around the mounting hole (31) The second sealing ring (52) in second seal groove (51), second sealing ring (52) is in the mounting plate (3) and institute It states when interior gas chamber (2) is coupled and is extruded fastening.
7. a kind of gas chamber of aeration cabinet, it is characterised in that: the sealing dress including gas chamber of aeration cabinet described in any one of claim 1-6 It sets, and the high-voltage switch gear element being set in the interior gas chamber (2), and is arranged in the mounting plate (3) and the outer gas chamber (1) fixed structure (6) between for keeping the mounting plate (3) and outer gas chamber (1) relative position to fix.
8. gas chamber of aeration cabinet according to claim 7, it is characterised in that: the fixed structure (6) includes being arranged described Four the first connecting holes (61) on four corners of mounting plate (3), and corresponding first connecting hole (61) be set to it is described Four positioning studs (62) on outer gas chamber (1) inner sidewall, after the positioning stud (62) penetrates first connecting hole (61) It is fixed by nut check.
9. gas chamber of aeration cabinet according to claim 8, it is characterised in that: first connecting hole (61) is two-sided counterbore knot Structure.
10. gas chamber of aeration cabinet according to claim 7, it is characterised in that: be additionally provided on the mounting plate (3) for pacifying Several second connecting holes (32) of the interior gas chamber (2) are filled, and are provided with the instrument hole (33) for installing air pressure instrument.
CN201920591595.0U 2019-04-26 2019-04-26 A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet Active CN209516453U (en)

Priority Applications (1)

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CN201920591595.0U CN209516453U (en) 2019-04-26 2019-04-26 A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet

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Application Number Priority Date Filing Date Title
CN201920591595.0U CN209516453U (en) 2019-04-26 2019-04-26 A kind of sealing device and its gas chamber of aeration cabinet of gas chamber of aeration cabinet

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CN209516453U true CN209516453U (en) 2019-10-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115000869A (en) * 2022-05-20 2022-09-02 山东汇能电气有限公司 Aerify cabinet air chamber seal structure and aerify cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115000869A (en) * 2022-05-20 2022-09-02 山东汇能电气有限公司 Aerify cabinet air chamber seal structure and aerify cabinet

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