CN209637577U - A kind of people's air defense safety door - Google Patents
A kind of people's air defense safety door Download PDFInfo
- Publication number
- CN209637577U CN209637577U CN201821947220.5U CN201821947220U CN209637577U CN 209637577 U CN209637577 U CN 209637577U CN 201821947220 U CN201821947220 U CN 201821947220U CN 209637577 U CN209637577 U CN 209637577U
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- door body
- connecting rod
- lock lever
- check lock
- gear
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Abstract
The utility model discloses a kind of people's air defense safety doors, including doorframe, the door body being articulated on doorframe, blocking device is provided in door body, blocking device includes retaining mechanism and driving mechanism, and retaining mechanism includes the first locking assembly being set in door body and the second locking assembly being set in door body；First locking assembly includes first connecting rod, the second connecting rod, third connecting rod, the first check lock lever, is fixedly installed on doorframe and for the first lock sleeve of the first check lock lever grafting；First connecting rod is rotatably dispose in door body, and is rotatablely connected with the end of the second connecting rod；The middle position of second connecting rod is rotatably connected in door body, and the end of the second connecting rod and third connecting rod is rotatablely connected；Third connecting rod and the first check lock lever are rotatablely connected；The sliding of first check lock lever is arranged in door body, and driving mechanism is connect with first connecting rod.Driving mechanism drives the cooperation of the first check lock lever in the first lock sleeve so that door body has preferable stability after closing.
Description
Technical field
The utility model relates to the technical fields of defense equipment, more particularly, to a kind of people's air defense safety door.
Background technique
Closed guard gate is exactly the door of people's protection works entrance, and closed guard gate's classification has common single, double fan to protect than sharper
Sealed door and sealed door, a variety of defense equipments such as the single, double fan airtight blast door of movable sill and sealed door.
Currently, notification number is CN205477231U, the day for announcing is that the Chinese patent on the 17th of August in 2016 discloses a kind of people's air defense
Door, including doorframe and door body, doorframe include the first perpendicular body and horizontal body, and door body is hinged by bull stick and horizontal body, door body and first
The filling member for filling gap between door body and the first perpendicular body is additionally provided between perpendicular body, filling member is made of soft material.
Above-mentioned closed guard gate is contradicted on the ground, by increasing between resistor and ground by rotation fixed frame so that increasing resistor
Frictional force, to play the role of for door body being fixed in doorframe.But this closed guard gate hinders also with increasing when closing
Part contradicts on the ground, so that the closed guard gate after closing is fixed, frictional force is relied solely on door body to be fixed
If, when door body is by very strong impact force, the door body after closing is easy to be forcibly opened.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is that being to provide a kind of people's air defense safety door,
There can be preferable stability after door body closing.
The foregoing invention purpose of the utility model has the technical scheme that
A kind of people's air defense safety door, including the doorframe being set on wall, the door body being articulated on the doorframe, the door body
On be provided with blocking device for being fixed on the door body in the doorframe, the blocking device include retaining mechanism and
Driving mechanism, the retaining mechanism include the first locking assembly being set to the door body far from ground side and are set to institute
State second locking assembly of the door body close to ground side；
First locking assembly includes first connecting rod, the second connecting rod, third connecting rod, the first check lock lever and consolidates
Surely it is set to the first lock sleeve on the doorframe and for the first check lock lever grafting；
One end of the first connecting rod is rotatably dispose in the door body, the end of the other end and second connecting rod
Rotation connection；
The middle position of second connecting rod along its length is rotatably connected in the door body, second connecting rod
The end of end and the third connecting rod far from the first connecting rod is rotatablely connected；
End of the third connecting rod far from second connecting rod and the end of first check lock lever are rotatablely connected；
First check lock lever sliding is arranged in the door body, the driving mechanism connect with the first connecting rod with
The first connecting rod is driven to slide towards ground direction, so that end of first check lock lever far from the third connecting rod
It is inserted into first lock sleeve.
By using above-mentioned technical proposal, by driving mechanism, the direction for driving first connecting rod towards ground is mobile, band
Dynamic second connecting rod is tilted close to the direction on one end of first connecting rod towards ground, so that the second connecting rod is far from the first connection
One end of bar is tilted towards the direction back to ground, so that third connecting rod is mobile towards the direction back to ground, thus
First check lock lever is pushed in the first lock sleeve, finally since the first check lock lever and the first lock sleeve cooperate, so that door body is closed
Close rear with good stability, when door body after closing is by biggish impact force, the door body being closed is not easy by by force
It opens.
The utility model is further arranged to: the driving mechanism includes connecting shaft, worm gear, worm screw and locating piece；Institute
Worm gear is stated to be rotatably connected in the door body；One end of the worm screw and the first connecting rod are rotatablely connected, and with the door
Body sliding connection；The connecting shaft is fixed at the axle center of the worm gear, and the connecting shaft is vertical with the door body；It is described
Locating piece is arranged in the door body, and for fixing the connecting shaft rotation；The worm gear is engaged with the worm screw.
By using above-mentioned technical proposal, when needing for door body to be fixed in doorframe, operator opens locating piece, turns
Dynamic connecting shaft, drive worm gear rotation, the direction for driving worm screw to be directed away from ground is mobile, drives first connecting rod direction back to ground
The direction in face is mobile, drives the cooperation of the first check lock lever in the first lock sleeve, so that door body is fixed in doorframe, will finally determine
Position part is closed, and structure is simple, facilitates locking.
The utility model is further arranged to: second locking assembly includes being fixedly installed on the doorframe close to ground
The second lock sleeve and be fixedly installed on second check lock lever of the worm screw far from described first connecting rod one end；Described second
Check lock lever sliding is arranged in the door body, and second lock sleeve supplies the second check lock lever grafting.
By using above-mentioned technical proposal, when needing for door body to be fixed in doorframe, locating piece, rotation connection are opened
Axis drives worm gear rotation, and the direction for driving worm screw towards ground is mobile, drives the cooperation of the first check lock lever in the first lock sleeve
The direction for driving the second check lock lever towards ground in the process is mobile, so that cooperation finally closes locating piece in the second lock sleeve,
The stability in doorframe is closed to strengthen door body, meanwhile, the first locking assembly and the second locking assembly share a set of drive
Motivation structure has saved cost, and makes structure simpler compared to each a set of driving mechanism of using by oneself, easy to operate.
The utility model is further arranged to: the locating piece include be fixedly installed in the door body and with the door body
Parallel positioning plate is plugged in the positioning plate and the locating rod through the positioning plate, axle center are fixedly installed on the connection
First on axis the second positioning tooth for positioning gear, being fixedly installed in the locating rod and being engaged with the first positioning gear
The convex block take turns, being fixedly installed in the locating rod and the groove for being opened on the positioning plate and cooperating with the convex block,
The first positioning gear positions convex block when gear engages with described second and cooperates in the groove.
By using above-mentioned technical proposal, when needing that connecting shaft is fixed, the direction for positioning gear towards first is pressed
Locating rod, while when pressing locating rod, convex block is aligned with sliding slot；With the movement of locating rod, so that second
Positioning gear intermeshes with the first positioning gear, and convex block cooperation at this time is in groove, thus by connecting shaft relative to locating rod
It is fixed；When it is required that connecting shaft rotates, locating rod is pulled towards back to the side of the first positioning gear, until convex block is from recessed
While being moved out next in slot, second gear and first gear are disengaged, so that connecting shaft can be freely rotated, structure letter
It is single, positioning stablity.
The utility model is further arranged to: the locating rod is fixedly installed far from one end of the second positioning gear
Handle.
By using above-mentioned technical proposal, handle is fixedly installed on the securing lever, provides the point of application for operator, convenient
Operator borrows power by handle to drive locating rod to slide and rotate, so that rotating, pulling and pushing locating rod
When it is more convenient, it is swift to operate.
The utility model is further arranged to: in the locating rod between the second positioning gear and the positioning plate
It is arranged with spring.
By using above-mentioned technical proposal, spring is in compressive state always, so that the second positioning gear is lasting
By the elastic force positioned towards first on gear direction, so that when the first positioning gear and the second positioning gear engagement
It is more stable, prevent the second positioning gear from disengaging from the first positioning gear.
The utility model is further arranged to: first check lock lever and second check lock lever are arranged rubber sleeve.
By using above-mentioned technical proposal, by the way that rubber sleeve is arranged, so that the first check lock lever is matched with the first lock sleeve grafting
Sound is smaller when conjunction, while sound reduces when the second check lock lever and mating the second lock sleeve.
The utility model is further arranged to: the protective shell for wrapping up the driving mechanism is provided in the door body,
The connecting shaft and the handle are respectively positioned on outside the protective shell.
By using above-mentioned technical proposal, worm and gear is protected not influence its function because of sundries and collision.
In conclusion the advantageous effects of the utility model are as follows:
1, driving mechanism drives the first lock sleeve mating in the first lock sleeve, so that door body has well after closing
Stability, when door body after closing is by biggish impact force, the door body being closed is not easy to be forcibly opened；
2, simultaneously, the first locking assembly and the second locking assembly share a set of driving mechanism, have saved cost, and make
Structure is simpler compared to each a set of driving mechanism of using by oneself, easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of people's air defense safety door of the utility model；
Fig. 2 be first positioning gear with second position be out of gear when structure, for indicating the structure of locating piece；
Fig. 3 is the partial enlarged view of location A in Fig. 1, when for indicating the first positioning gear and the second positioning gear engagement
Structure.
Appended drawing reference: 1, doorframe；2, door body；3, retaining mechanism；4, the first locking assembly；41, first connecting rod；42,
Two connecting rods；43, third connecting rod；44, the first check lock lever；45, the first lock sleeve；5, the second locking assembly；51, the second locking
Set；52, the second check lock lever；6, driving mechanism；61, connecting shaft；62, worm gear；63, worm screw；7, locating piece；71, positioning plate；72,
Locating rod；73, the first positioning gear；74, the second positioning gear；75, convex block；76, groove；8, the first fixing sleeve；9, second is solid
Fixed set；10, third fixing sleeve；11, handwheel；12, protective shell；13, fixed plate；14, handle；15, spring；16, rubber sleeve.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, the utility model discloses a kind of people's air defense safety doors, including the doorframe 1 being mounted on wall, doorframe 1
On door body 2 is installed, the side of door body 2 is hinged on doorframe 1 by pin shaft；It wherein is provided with blocking device in door body 2, is latched
Door body 2 for being fixed in doorframe 1 by device when door body 2 closes on doorframe 1.
Referring to Fig.1, blocking device includes retaining mechanism 3 and driving mechanism 6.Wherein, retaining mechanism 3 includes the first locking group
Part 4 and the second locking assembly 5.First locking assembly 4 is located at side of the door body 2 far from ground, and the second locking assembly 5 is located at door body
2 close to ground side.
Referring to Fig.1, the first locking assembly 4 includes first connecting rod 41, the second connecting rod 42, third connecting rod 43, first
Check lock lever 44 and the first lock sleeve 45.Second connecting rod 42 is rotatably connected in door body 2 by pin shaft, and is rotatablely connected point
Middle position between two ends of the second connecting rod 42.It is connect when the second connecting rod 42 is when in a horizontal state with first
Bar 41 is orthogonal.One end of second connecting rod 42 is hinged by pin shaft with first connecting rod 41, the other end and third connecting rod
43 is hinged by pin shaft.The one end of third connecting rod 43 far from the second connecting rod 42 is hinged by pin shaft with check lock lever.
It is welded in door body 2 and is plugged on the first fixing sleeve 8 for check lock lever, the first check lock lever 44 is plugged in the first fixing sleeve 8, and doorframe
The first lock sleeve 45 for check lock lever grafting is welded on 1.First connecting rod 41 one end and driving far from the second connecting rod 42
Mechanism 6 connects.
One end that driving mechanism 6 drives first connecting rod 41 to be directed away from the first lock sleeve 45 is mobile, drives the second connection
Bar 42 is deviated close to the side that one end of first connecting rod 41 is directed away from the first lock sleeve 45；To drive the second connecting rod 42
One end far from first connecting rod 41 is tilted towards the side of the first lock sleeve 45, drives third connecting rod 43 towards the first locking
The side of set 45 is mobile, to drive the first check lock lever 44 mobile towards the direction of the first lock sleeve 45, so that the first check lock lever
44 grafting enter in the first lock sleeve 45, open from doorframe 1 to limit door body 2.
Referring to Figures 1 and 2, driving mechanism 6 includes connecting shaft 61, worm gear 62, worm screw 63 and locating piece 7, wherein positioning
Part 7 includes positioning plate 71, the positioning positioning of gear 73, second of locating rod 72, first gear 74, convex block 75 and groove 76 again.Even
Spindle 61 is vertically rotatably arranged in door body 2 by bearing, and worm gear 62 is connected by key in connecting shaft 61, and connecting shaft 61 is remote
End from door body 2 is welded with handwheel 11.The second fixing sleeve 9 is welded in door body 2, worm screw 63 is plugged in the second fixing sleeve 9.
Worm screw 63 engages with worm gear 62, and sliding is arranged in the second fixing sleeve 9 worm screw 63 vertically.The one end of worm screw 63 far from ground and the
One connecting rod 41 is hinged by pin shaft, and the other end is connect with the second locking assembly 5.Protective shell 12, driving machine are welded in door body 2
In addition to connecting shaft 61 and locating rod 72 in structure 6, it is other be wrapped in by protective shell 12 in.Connecting shaft 61 through protective shell 12,
And one end containing handwheel 11 is located at except protective shell 12.Locating rod 72 is through protective shell 12, one end position containing handle 14
Except protective shell 12.
Referring to Fig. 2 and Fig. 3, fixed plate 13, fixed plate 13 and the orthogonal setting of door body 2 are welded in door body 2.Positioning plate
71 are welded on side of the fixed plate 13 far from door body 2, and orthogonal with fixed plate 13.Second positioning gear 74 is located at positioning
Between plate 71 and door body 2；Locating rod 72 is plugged on positioning plate 71, and runs through positioning plate 71.Locating rod 72 close to door body 2 one
End is keyed with second gear, and the other end is welded with handle 14；And the positioning between positioning plate 71 and the second positioning gear 74
Spring 15 is socketed on bar 72.First positioning gear 73 is connected by key in connecting shaft 61, and is located at worm gear 62 far from door body 2
Side.Convex block 75 is welded in locating rod 72 of the positioning plate 71 far from 15 side of spring, and it is remote that groove 76 is provided with locating rod 72
Side from spring 15, and convex block 75 and groove 76 are worked in coordination.When rotational positioning bar 72, so that when 75 alignment slot of convex block, so
Locating rod 72 is pushed towards the direction of door body 2 afterwards, so that convex block 75 is connected in groove 76, the first positioning gear 73 and the at this time
Two positioning gears 74 intermesh, so that the first positioning gear 73 is fixed relative to positioning plate 71.
Referring to Fig.1, the second locking assembly 5 includes the second lock sleeve 51 and the second check lock lever 52.The welding of second lock sleeve 51
In side of the doorframe 1 far from the first lock sleeve 45.Second check lock lever 52 is welded on the one end of worm screw 63 far from first connecting rod 41,
Worm screw 63 is mobile towards one end of the second lock sleeve 51, so that the second check lock lever 52 be pushed to be plugged in the second lock sleeve 51.Door
Third fixing sleeve 10 is welded on body 2, the second check lock lever 52 is plugged in third fixing sleeve 10, and through third fixing sleeve
10.Rubber sleeve 16 is arranged on first check lock lever 44 and the second check lock lever 52.
Implementation principle:
After the lid of door body 2 closes in doorframe 1, overcomes the elastic force of spring 15, be directed away from the side pull handle of door body 2
14, drive locating rod 72 mobile so that convex block 75 and groove 76 disengage, then swing handle 14 so that convex block 75 not with groove
76 alignments, the second positioning gear 74 and the first positioning gear 73 disengage at this time.
Handwheel 11 is rotated, connecting shaft 61 is driven to rotate, drives worm screw 63 towards ground motion, so that the first check lock lever
44 are plugged in the first lock sleeve 45, and at the same time, worm screw 63 drives the second check lock lever 52 to be plugged in the second lock sleeve 51.
Then last swing handle 14 is loosed one's grip so that convex block 75 is aligned with groove 76, the second positioning gear 74 is by spring
15 elastic force is moved towards the side of door body 2, to stick in door body 2, while being engaged with the first positioning gear 73, same with this
When, convex block 75 and groove 76 cooperate, so that the first positioning gear 73 and positioning plate 71 are relatively fixed, prevent door body 2 from being consolidated
Rear worm wheel 62 in doorframe 1 is scheduled on to rotate.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of people's air defense safety door, including the doorframe (1) being set on wall, the door body (2) being articulated on the doorframe (1),
It is characterized by: the blocking device for being fixed on the door body (2) in the doorframe (1) is provided on the door body (2),
The blocking device includes retaining mechanism (3) and driving mechanism (6), and the retaining mechanism (3) includes being set to the door body
(2) far from ground side the first locking assembly (4) and be set to the door body (2) close to ground side second locking group
Part (5)；
First locking assembly (4) includes first connecting rod (41), the second connecting rod (42), third connecting rod (43), first
Check lock lever (44) and the first lock sleeve for being fixedly installed on the doorframe (1) and supplying the first check lock lever (44) grafting
(45)；
One end of the first connecting rod (41) is rotatably dispose on the door body (2), the other end and second connecting rod
(42) end rotation connection；
The middle position of second connecting rod (42) along its length is rotatably connected on the door body (2), and described second connects
The end of end and the third connecting rod (43) of the extension bar (42) far from the first connecting rod (41) is rotatablely connected；
The end of end and first check lock lever (44) of the third connecting rod (43) far from second connecting rod (42)
Rotation connection；
First check lock lever (44) sliding is arranged on the door body (2), the driving mechanism (6) and the first connecting rod
(41) it connects to drive the first connecting rod (41) to slide towards ground direction, so that first check lock lever (44) is far from institute
The end for stating third connecting rod (43) is inserted into first lock sleeve (45).
2. a kind of people's air defense safety door according to claim 1, it is characterised in that: the driving mechanism (6) includes connecting shaft
(61), worm gear (62), worm screw (63) and locating piece (7)；The worm gear (62) is rotatably connected on the door body (2)；It is described
One end and the first connecting rod (41) of worm screw (63) are rotatablely connected, and are slid and connected with the door body (2)；The connecting shaft
(61) it is fixed at the axle center of the worm gear (62), and the connecting shaft (61) is vertical with the door body (2)；The locating piece
(7) it is arranged on the door body (2), and for fixing the connecting shaft (61) rotation；The worm gear (62) and the worm screw
(63) it engages.
3. a kind of people's air defense safety door according to claim 2, it is characterised in that: second locking assembly (5) includes solid
Surely the doorframe (1) is set to close to second lock sleeve (51) on ground and is fixedly installed on the worm screw (63) far from described
Second check lock lever (52) of first connecting rod (41) one end；Second check lock lever (52) sliding is arranged on the door body (2),
And second lock sleeve (51) supplies the second check lock lever (52) grafting.
4. a kind of people's air defense safety door according to claim 2, it is characterised in that: the locating piece (7) includes fixed setting
In on the door body (2) and the positioning plate (71) parallel with the door body (2), being plugged in the positioning plate (71) and through described
The locating rod (72) of positioning plate (71), axle center are fixedly installed on the first positioning gear (73), fixation on the connecting shaft (61)
The second positioning gear (74), the fixed setting for being set on the locating rod (72) and being engaged with first positioning gear (73)
In the convex block (75) on the locating rod (72) and be opened on the positioning plate (71) and with the convex block (75) cooperation
Groove (76), first positioning gear (73) position the convex block (75) when gear (74) are engaged with described second and cooperate in institute
It states in groove (76).
5. a kind of people's air defense safety door according to claim 4, it is characterised in that: the locating rod (72) is far from described second
One end of positioning gear (74) is fixedly installed handle (14).
6. a kind of people's air defense safety door according to claim 5, it is characterised in that: it is described second positioning gear (74) with it is described
Spring (15) are arranged in the locating rod (72) between positioning plate (71).
7. a kind of people's air defense safety door according to claim 3, it is characterised in that: first check lock lever (44) and described the
Two check lock levers (52) are arranged rubber sleeve (16).
8. a kind of people's air defense safety door according to claim 5, it is characterised in that: be provided on the door body (2) for wrapping
The protective shell (12) of the driving mechanism (6) is wrapped up in, the connecting shaft (61) and the handle (14) are respectively positioned on the protective shell
(12) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947220.5U CN209637577U (en) | 2018-11-23 | 2018-11-23 | A kind of people's air defense safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947220.5U CN209637577U (en) | 2018-11-23 | 2018-11-23 | A kind of people's air defense safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637577U true CN209637577U (en) | 2019-11-15 |
Family
ID=68473742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821947220.5U Active CN209637577U (en) | 2018-11-23 | 2018-11-23 | A kind of people's air defense safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502502A (en) * | 2020-06-04 | 2020-08-07 | 南通中天精密仪器有限公司 | Linkage safety door with protection function |
| CN113279675A (en) * | 2021-05-17 | 2021-08-20 | 西安阎良国安人防工程有限公司 | Steel structure civil air defense door and installation method thereof |
-
2018
- 2018-11-23 CN CN201821947220.5U patent/CN209637577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502502A (en) * | 2020-06-04 | 2020-08-07 | 南通中天精密仪器有限公司 | Linkage safety door with protection function |
| CN113279675A (en) * | 2021-05-17 | 2021-08-20 | 西安阎良国安人防工程有限公司 | Steel structure civil air defense door and installation method thereof |
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