CN207686558U - A kind of fire window of the concealed temperature control release limiting device of band - Google Patents
A kind of fire window of the concealed temperature control release limiting device of band Download PDFInfo
- Publication number
- CN207686558U CN207686558U CN201721547371.7U CN201721547371U CN207686558U CN 207686558 U CN207686558 U CN 207686558U CN 201721547371 U CN201721547371 U CN 201721547371U CN 207686558 U CN207686558 U CN 207686558U
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- China
- Prior art keywords
- sliding rail
- temperature control
- limiting device
- warming
- door closer
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Abstract
The utility model discloses the fire windows that a kind of concealed temperature control of band discharges limiting device,Including window frame and sash,It is equipped with temperature control between window frame and sash and discharges limiting device,It includes sliding rail that temperature control, which discharges limiting device,,Sliding block,Adjustable limiting part,The automatic release member of warming,Door closer straight-arm and door closer tympanites,Sliding rail is fixedly connected on window frame,Sliding block,Adjustable limiting part,The automatic release member of warming is set in sliding rail,Door closer straight-arm one end is articulated with sliding block,The door closer straight-arm other end is articulated with door closer tympanites,Door closer tympanites is set on sash,Sliding block is equipped with pothook,Adjustable limiting part front end is equipped with the latch hook portion with the mutual hook cooperation of pothook,The rear end of adjustable limiting part is equipped with lift unit,It is installed in sliding rail in the middle part of adjustable limiting part,There is the inclined-plane for driving lift unit to be lifted to drive piece on the automatic release member of warming,Fire window can be achieved to be automatically closed when its indoor temperature is more than temperature-sensing element temperature,Compact overall structure simultaneously,Good appearance.
Description
Technical field
The utility model is related to the fire prevention that fire window field more particularly to a kind of concealed temperature control of band discharge limiting device
Window.
Background technology
To prevent from causing heavy losses, the application of fire window more and more extensive when fire occurs.As routine use, prevent
Fiery window is required to flexibly switch, easy to operate, meanwhile, to ensure its fire protecting performance, GB16809-2008《Fire window》Country
Standard has higher requirements to be automatically closed performance, the air-tightness of fire window.Currently, movable type fireproof window on the market is main
Coordinate electronics temperature detection by using the release of no electric-type mechanical position limitation cooperative mechanical warming or slide rail type electromagnetism adjustable limiting
Device (or fire-fighting control signal) triggers the two ways of electromagnetic releasing, and limit and warming automatic closing function are opened to realize.
But existing self-closing fire window has the following defects：
(1) on fire window without electric-type mechanical position limitation be usually stationary machine limit, be non-adjustable limit method, usually
Can manual releasing, elastic element is triggered to release mechanical position limitation by mechanical warming when fire occurs, and fixed limiter and
Warming release is typically external mechanical device, overall aesthetics that is inconvenient to use and influencing protective window.Sliding rail electromagnetic type
It then needs from having electronic warming control system or connection fire control system, technology, structure are more complicated, and cost is excessively high；
(2) limit operation underaction, conveniently is opened in manual releasing switch and setting.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of concealed temperature control release limits of band
The fire window of position device can discharge adjustable limiting part and warming automatically while meeting fire warming and closing window function automatically
Part is built-in to be mounted in sliding rail so that fire window has better aesthetics.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of fire window of the concealed temperature control release limiting device of band, including window frame and with the matched sash of window frame, institute
State and be equipped with temperature control between window frame and the sash and discharge limiting device, temperature control release limiting device include sliding rail, sliding block, can
Locating part, the automatic release member of warming, door closer straight-arm and door closer tympanites, the sliding rail is adjusted to be fixedly connected on the window frame,
The sliding block is slidably connected to the sliding rail, and the door closer tympanites is set on the sash, door closer straight-arm one end hinge
It is connected to the sliding block, the other end of the door closer straight-arm is articulated with the door closer tympanites, and the sliding block is equipped with pothook,
The adjustable limiting part is equipped with latch hook portion for coordinating with the pothook phase hook close to one end of the sliding block, it is described can
It adjusts the one end of locating part far from sliding block to be equipped with lift unit, is installed in sliding rail in the middle part of the adjustable limiting part；The warming is certainly
Dynamic release member is set in the sliding rail, has the inclined-plane driving for driving lift unit to be lifted on the automatic release member of warming
Piece, the inclined-plane driving piece are for linear motion along the length direction of sliding rail.
Further, the rotation center of the adjustable limiting part is equipped with torsional spring, and the torsional spring is for carrying the latch hook portion
For carrying out locking required torsional forces to the pothook.
Further, the automatic release member of the warming further includes the first pedestal, sliding panel, spring and warming fuse-link, institute
It states inclined-plane driving piece and the sliding panel is affixed, the sliding panel is slidably matched along the length direction of sliding rail with the first pedestal, institute
The one end for stating spring is connected with the first pedestal, and the other end of the spring is connected with sliding panel, and the spring is used for the cunning
Movable plate provides the elastic force slided towards the lift unit, the warming fuse-link be connected to the sliding panel and the first pedestal it
Between.
Further, the sliding panel is equipped with location hole, and first pedestal is equipped with locating piece, the warming fusing
One end of body is connect with the location hole, and the other end of the warming fuse-link is connect with the locating piece.
Further, it is bolted with positioning screw on first pedestal, the ailhead of the positioning screw is towards the sliding rail
A side.
Further, the adjustable limiting part further includes the second pedestal, is bolted with adjusting screw on second pedestal, institute
The ailhead of adjusting screw and the ailhead of the positioning screw are stated towards the same side of the sliding rail.
Further, second pedestal is equipped with casing, and described sleeve pipe is located above the lift unit, in described sleeve pipe
Equipped with drawstring, one end of the drawstring connect with the lift unit and is used to drive in the lift unit and lifts, the drawstring it is another
One end is pierced by described sleeve pipe.
Further, the warming fuse-link is temperature sensing glass ball.
Further, the hand push button for driving latch hook subordinate to press is equipped with above the latch hook portion, on the pothook
Equipped with keeping away a groove, the hand push button pass through the sliding rail side and it is described keep away a groove after offset with the latch hook portion,
The hand push button is slidably matched along the length direction of the sliding rail with sliding rail.
Further, the both ends of the sliding rail are bolted with fixing screws respectively.
Compared with prior art, the beneficial effects of the utility model are：
(1) it hides and is installed in sliding rail built in adjustable limiting part and the automatic release member of warming, entire temperature control release limit dress
It sets compact-sized, is set between window frame and sash, while ensuring that performance is automatically closed in fire window warming, have better
Aesthetics.
(2) entire temperature control release limiting device is no electric-type mechanical device, and cost of manufacture is relatively low, economical and practical.
Description of the drawings
Fig. 1 is the schematic diagram that the concealed temperature control of a kind of band provided by the utility model discharges limiting device fire window；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the structural schematic diagram that Fig. 1 medium temperature controlled releases put limiting device；
Fig. 4 is the enlarged diagram of adjustable limiting part 36 in Fig. 3；
Fig. 5 is the enlarged diagram of the automatic release member of warming 35 in Fig. 3；
Fig. 6 is the vertical view of sliding block.
In figure：1, window frame；2, sash；3, temperature control discharges limiting device；31, sliding rail；32, sliding block；321, pothook；
3211, a groove is kept away；33, door closer straight-arm；34, door closer tympanites；35, the automatic release member of warming；351, inclined-plane drives piece；
352, spring；353, warming fuse-link；354, the first pedestal；3541, positioning screw；3542, locating piece；355, sliding panel；
3551, location hole；36, adjustable limiting part；361, latch hook portion；362, torsional spring；363, lift unit；364, the second pedestal；3641, it adjusts
Save screw；37, hand push button；38, fixing screws；39, casing；391, drawstring.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It is the fire window that the concealed temperature control of a kind of band provided by the utility model discharges limiting device shown in Fig. 1-2, including
Window frame 1, sash 2, temperature control discharge limiting device 3, which discharges limiting device 3 and be arranged on window frame 1, temperature control release limit dress
The driving element for setting 3 is built-in concealed, and the warming that temperature control release limiting device 3 can control sash 2 is automatically closed, with true
It protects fire window to occur to be automatically closed when fire, while there is the beauty for not influencing fire window.
Shown in Fig. 3, for temperature control discharge limiting device 3 structural schematic diagram, temperature control discharge limiting device 3 be set to window frame 1 with
Between sash 2, temperature control release limiting device 3 includes sliding rail 31, sliding block 32, adjustable limiting part 36, the automatic release member 35 of warming, closes
Door device straight-arm 33 and door closer tympanites 34, sliding rail 31 are fixedly connected on window frame 1, and sliding block 32 is slidably connected in sliding rail 31 and can
It is slided along sliding rail 31, door closer tympanites 34 is set on sash 2, and 33 one end of door closer straight-arm is articulated with sliding block 32, door closer straight-arm
33 other end is articulated with door closer tympanites 34, and when sliding block 32 is slided along sliding rail 31, one end of door closer straight-arm 33 can be around cunning
Block 32 rotates, and the other end of door closer straight-arm 33 can be rotated around door closer tympanites 34；Adjustable limiting part 36 discharges automatically with warming
Part 35 is set in sliding rail 31；Sliding block 32 is equipped with pothook 321, and the front end of adjustable limiting part 36, which is equipped with, to be used for and pothook
The rear end in the latch hook portion 361 of 321 phase hooks cooperation, adjustable limiting part 36 is equipped with lift unit 363, the middle part pivot of adjustable limiting part 36
Loaded in sliding rail 31；There is the inclined-plane for driving lift unit 363 to be lifted to drive piece 351, this is tiltedly on the automatic release member of warming 35
Face drive piece 351 can along sliding rail 31 length direction it is for linear motion.The both ends of sliding rail 31 are bolted with fixing screws 38 respectively, lead to
Crossing the screw 38 that is locked can be fixed on sliding rail 31 on window frame 1, and certain sliding rail 31 and the connection type of window frame 1 are not limited only to
It is connected by screw, other alternative fixed connection modes (such as bolt, riveting, hook) are also in scope of protection of the utility model
It is interior.
Specifically, under window opening state, the pothook 321 on sliding block 32 and the latch hook portion on adjustable limiting part 36
361 hooks coordinate, and door closer tympanites 34 continues to apply prefastening torque power to door closer straight-arm 33, and will by door closer straight-arm 33
Active force is conducted to sliding block 32, because sliding block 32 is set in sliding rail 31, sliding block 32 by the active force on 31 direction of sliding rail,
But since the pothook 321 on sliding block 32 is in hook state with latch hook portion 361, sliding block 32 is because by the anti-of adjustable limiting part 36
It is fixed to pulling force.When fire occurs in room, the automatic release member 35 of warming is when temperature raising reaches set temperature, release
Inclined-plane drives piece 351, inclined-plane driving piece 351 that lift unit 363 is made to lift, and the middle part of adjustable limiting part 36 is installed in sliding rail 31,
It can decline around its center rotating, latch hook portion 361, the pothook 321 being connected in latch hook portion 361 originally is made to divide with latch hook portion 361
From sliding block 32 is disappeared by the reversal interlocking relay of adjustable limiting part 36, under the driving of door closer straight-arm 33, to the left along sliding rail 31
One end of sliding, door closer straight-arm 33 is rotated around sliding block 32, and the other end of door closer straight-arm 33 is rotated around door closer tympanites 34,
Under door closer tympanites 34 close moments effect, door closer tympanites 34 drives sash 2 to close, and realizes that 2 warming of sash is automatically closed.
As preferred embodiment, as shown in figure 4, the rotation center of above-mentioned adjustable limiting part 36 is equipped with torsional spring 362, turn round
Spring 362 is used to provide latch hook portion 361 lock required torsional forces to the pothook 321 on sliding block 32, and torsional spring 362 can be with
Adjustable limiting part 36 is controlled around its center spinning movement, when lift unit 363 is lifted, the latch hook portion of 36 left end of adjustable limiting part
361 decline, it can be achieved that the warming of sash 2 is automatically closed.
Further, as shown in figure 5, the automatic release member 35 of warming includes the first pedestal 354, sliding panel 355, spring 352
With warming fuse-link 353, inclined-plane drives piece 351 and sliding panel 355 affixed, and sliding panel 355 is along the length direction of sliding rail 31 and the
One pedestal 354 is slidably matched, and the right end of spring 352 is connected with the first pedestal 354, left end and 355 phase of sliding panel of spring 352
Even, spring 352 is used to provide the elastic force slided towards lift unit 363 to sliding panel 355, and warming fuse-link 353 is connected to cunning
Between movable plate 355 and the first pedestal 354, which can be temperature sensing glass ball, metal warming fuse link, electronics
Warming etc..Warming fuse-link 353 disconnects when more than limiting temperature, and sliding panel 355 and the first pedestal 354 can not be again to springs
352 apply active force, and the spring 352 under compressive state is stretched under own resilient effect and resetted, and the first pedestal 354 is due to fixation
In, without sliding, sliding panel 355 is slided with inclined-plane driving piece 351 by 352 drives edge sliding rail 31 of spring to the left on sliding rail 31
It is dynamic, to make inclined-plane driving piece 351 lift the lift unit 363 on adjustable limiting part 36, under the turning effort of torsional spring 362,
Latch hook portion 361 declines so that pothook 321 is detached from from latch hook portion 361, realizes that the warming of sash 2 is automatically closed.
In addition, sliding panel 355 is equipped with location hole 3551, the first pedestal 354 is equipped with locating piece 3542, warming fuse-link
353 left end is connect with location hole 3551, and the right end of warming fuse-link 353 is connect with locating piece 3542.Warming fuse-link 353
By being connected with location hole 3551 and locating piece 3542, sliding panel 355 and the relative position of the first pedestal 354 is made to fix, by
It is connect with inclined-plane driving piece 351 in sliding panel 355, inclined-plane driving piece 351 is connect with spring 352, sliding panel 355 and the first pedestal
354 relative position fixes the spring 352 that can just make to be located between the first pedestal 354 and inclined-plane driving piece 351 and is in compression
State.
Secondly, it is bolted with positioning screw 3541 on above-mentioned first pedestal 354, the ailhead of positioning screw 3541 is towards sliding rail 31
A side.Meanwhile adjustable limiting part 36 further includes the second pedestal 364, and adjusting screw 3641 is bolted on the second pedestal 364,
The ailhead of adjusting screw 3641 and the ailhead of positioning screw 3541 are towards the same side of sliding rail 31.Under normal circumstances, spiral shell is positioned
First pedestal 354 is fixed on sliding rail 31 by 3541 locking of nail, and the second pedestal 364 is fixed on sliding rail by the locking of adjusting screw 3641
On 31, the two need to be kept fixed distance, it is ensured that when warming fuse-link 353 is broken, inclined-plane driving piece 351 can touch adjustable limit
Lift unit 363 on the part 36 of position, is closed sash 2 with realizing.According to user demand, it need to only unclamp positioning screw 3541 and adjust
Screw 3641 is saved, mobile adjustable limiting part 36 and the automatic release member 35 of warming arrive the position needed, then locking positioning screw manually
3541 and adjusting screw 3641 to the side of sliding rail 31, so that adjustable limiting part 36 and the automatic release member 35 of warming is fixed, pass through card
The clamping engagement in hook portion 321 and latch hook portion 361 is, it can be achieved that sash 2 is opened to any angle in 0 ° of -90 ° of range.
It is further preferred that above-mentioned warming fuse-link 353 is temperature sensing glass ball, temperature sensing glass ball is when more than limiting temperature
Meeting fragmentation, when fire occurs in room, warming fuse-link 353 is broken, and driving sash 2 is closed, to realize fire window warming
It is automatically closed.
It is further preferred that 361 top of latch hook portion is equipped with the hand push button 37 for driving latch hook portion 361 to push, grab
Portion 321 is equipped with and keeps away a groove 3211, hand push button 37 pass through the side of sliding rail 31 and keep away after a groove 3211 with latch hook portion 361
It offsets, hand push button 37 is slidably matched along the length direction of sliding rail 31 with sliding rail 31, is opened as shown in fig. 6, being in sash 2
When state, hand push button 37 is pressed outside sliding rail 31, after keeping away a groove 3211 so that hand push button 37 and latch hook portion 361
It contacts and latch hook portion 361 is made to decline so that pothook 321 is detached from latch hook portion 361, and sash 2 is turned off manually to realize.
It is further preferred that the second pedestal 364 is equipped with casing 39, casing 39 is located above lift unit 363, in casing 39
Equipped with drawstring 391, one end of drawstring 391 connect with lift unit 363 and is lifted in lift unit 363 for driving, drawstring 391 it is another
One end is pierced by casing 39, and 391 lower end of drawstring is set to the position that people is easily accessible, sash 2 in the open state, from lower end
Pull drawstring 391, one end that drawstring 391 is connect with lift unit 363 that lift unit 363 can be affected to be lifted up, it is manual to realize
Sash 2 is closed, it is simple and convenient.
Fire window provided by the utility model is compact-sized, built-in to be equipped with concealed temperature control release limiting device, is ensuring
While performance is automatically closed in fire window warming, there is better aesthetics, it is economical and practical, have higher application value.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of fire window of the concealed temperature control release limiting device of band, including window frame and with the matched sash of window frame, it is special
Sign is：It is equipped with temperature control between the window frame and the sash and discharges limiting device, the temperature control release limiting device includes sliding
Rail, sliding block, adjustable limiting part, the automatic release member of warming, door closer straight-arm and door closer tympanites, the sliding rail are fixedly connected on institute
It states on window frame, the sliding block is slidably connected to the sliding rail, and the door closer tympanites is set on the sash, and the door closer is straight
Arm one end is articulated with the sliding block, and the other end of the door closer straight-arm is articulated with the door closer tympanites；
The sliding block be equipped with pothook, the adjustable limiting part close to one end of the sliding block be equipped with for the pothook
The latch hook portion of phase hook cooperation, the described one end of adjustable limiting part far from sliding block is equipped with lift unit, in the adjustable limiting part
Portion is installed in the sliding rail；
The automatic release member of warming is set in the sliding rail, is had for driving lift unit to be lifted on the automatic release member of warming
The inclined-plane risen drives piece, the inclined-plane driving piece for linear motion along the length direction of sliding rail.
2. a kind of fire window of the concealed temperature control release limiting device of band as described in claim 1, it is characterised in that：It is described can
The rotation center of locating part is adjusted to be equipped with torsional spring, the torsional spring is used to provide the latch hook portion carries out locking institute to the pothook
The torsional forces needed.
3. a kind of fire window of the concealed temperature control release limiting device of band as described in claim 1, it is characterised in that：The temperature
It further includes the first pedestal, sliding panel, spring and warming fuse-link to feel automatic release member, and the inclined-plane drives piece and the sliding panel
Affixed, the sliding panel is slidably matched along the length direction of sliding rail with the first pedestal, one end of the spring and the first pedestal phase
Even, the other end of the spring is connected with sliding panel, and the spring is used to provide towards the lift unit sliding panel and slide
Dynamic elastic force, the warming fuse-link are connected between the sliding panel and the first pedestal.
4. a kind of fire window of the concealed temperature control release limiting device of band as claimed in claim 3, it is characterised in that：The cunning
Movable plate is equipped with location hole, and first pedestal is equipped with locating piece, and one end and the location hole of the warming fuse-link connect
It connects, the other end of the warming fuse-link is connect with the locating piece.
5. a kind of fire window of the concealed temperature control release limiting device of band as claimed in claim 3, it is characterised in that：Described
It is bolted with positioning screw on one pedestal, a side of the ailhead of the positioning screw towards the sliding rail.
6. a kind of fire window of the concealed temperature control release limiting device of band as claimed in claim 5, it is characterised in that：It is described can
It further includes the second pedestal to adjust locating part, is bolted with adjusting screw on second pedestal, the ailhead of the adjusting screw and described
The ailhead of positioning screw is towards the same side of the sliding rail.
7. a kind of fire window of the concealed temperature control release limiting device of band as claimed in claim 6, it is characterised in that：Described
Two pedestals are equipped with casing, and described sleeve pipe is located above the lift unit, and drawstring, one end of the drawstring are equipped in described sleeve pipe
It connect and is used to drive in the lift unit with the lift unit and lift, the other end of the drawstring is pierced by described sleeve pipe.
8. such as a kind of fire window of the concealed temperature control release limiting device of band of claim 3-7 any one of them, feature exists
In：The warming fuse-link is temperature sensing glass ball.
9. such as a kind of fire window of the concealed temperature control release limiting device of band of claim 1-7 any one of them, feature exists
In：The hand push button for driving latch hook subordinate to press is equipped with above the latch hook portion, the pothook is equipped with and keeps away a groove, institute
State hand push button across the sliding rail side and it is described keep away a groove after offset with the latch hook portion, the hand push button is along institute
The length direction and sliding rail for stating sliding rail are slidably matched.
10. such as a kind of fire window of the concealed temperature control release limiting device of band of claim 1-7 any one of them, feature exists
In：The both ends of the sliding rail are bolted with fixing screws respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547371.7U CN207686558U (en) | 2017-11-16 | 2017-11-16 | A kind of fire window of the concealed temperature control release limiting device of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547371.7U CN207686558U (en) | 2017-11-16 | 2017-11-16 | A kind of fire window of the concealed temperature control release limiting device of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686558U true CN207686558U (en) | 2018-08-03 |
Family
ID=62990020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721547371.7U Active CN207686558U (en) | 2017-11-16 | 2017-11-16 | A kind of fire window of the concealed temperature control release limiting device of band |
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| CN (1) | CN207686558U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259352A (en) * | 2019-07-03 | 2019-09-20 | 湖南坚致幕墙安装设计有限公司 | Force zero formula fire window |
| CN110318648A (en) * | 2019-07-03 | 2019-10-11 | 湖南坚致幕墙安装设计有限公司 | A kind of fire window |
| CN110670985A (en) * | 2019-09-25 | 2020-01-10 | 梁泉贤 | Door closer for fire door |
| CN111485806A (en) * | 2020-04-22 | 2020-08-04 | 杭州康安消防设备有限公司 | Hidden fire window |
| CN112878801A (en) * | 2021-03-29 | 2021-06-01 | 天津华夏防火设备有限公司 | Temperature-sensing type automatic release bolt |
| CN114532773A (en) * | 2022-02-18 | 2022-05-27 | 杰斯瑞特安全科技（无锡）有限公司 | Fireproof cabinet body structure and fireproof safety cabinet |
-
2017
- 2017-11-16 CN CN201721547371.7U patent/CN207686558U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259352A (en) * | 2019-07-03 | 2019-09-20 | 湖南坚致幕墙安装设计有限公司 | Force zero formula fire window |
| CN110318648A (en) * | 2019-07-03 | 2019-10-11 | 湖南坚致幕墙安装设计有限公司 | A kind of fire window |
| CN110670985A (en) * | 2019-09-25 | 2020-01-10 | 梁泉贤 | Door closer for fire door |
| CN111485806A (en) * | 2020-04-22 | 2020-08-04 | 杭州康安消防设备有限公司 | Hidden fire window |
| CN112878801A (en) * | 2021-03-29 | 2021-06-01 | 天津华夏防火设备有限公司 | Temperature-sensing type automatic release bolt |
| CN114532773A (en) * | 2022-02-18 | 2022-05-27 | 杰斯瑞特安全科技（无锡）有限公司 | Fireproof cabinet body structure and fireproof safety cabinet |
| CN114532773B (en) * | 2022-02-18 | 2023-08-29 | 杰斯瑞特安全科技（无锡）有限公司 | Fireproof cabinet body structure and fireproof safety cabinet |
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