CN209874788U - Steel construction single leaf airtight door - Google Patents
Steel construction single leaf airtight door Download PDFInfo
- Publication number
- CN209874788U CN209874788U CN201920393333.3U CN201920393333U CN209874788U CN 209874788 U CN209874788 U CN 209874788U CN 201920393333 U CN201920393333 U CN 201920393333U CN 209874788 U CN209874788 U CN 209874788U
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- China
- Prior art keywords
- door
- door body
- locking groove
- stop pin
- door frame
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model relates to a steel construction single leaf airtight door relates to the technical field of civil air defense equipment, install the door body on the door frame including door frame and rotation, the locking groove has been seted up to the door frame, is provided with the locking device who is connected with the door frame on the door body, and locking device includes that a plurality of intervals levels slide the setting on the door body and with locking groove grafting complex stop pin, rotate and install on the door body and cup joint the complex gangbar with stop pin screw thread, set up on the door body and the actuating mechanism who is connected with the gangbar, a plurality of stop pins are close to locking groove one side along vertical even interval distribution at the door body. The utility model discloses a plurality of stop pins insert the door frame, make the whole and door frame joint strength of the body stronger, can keep better stability when receiving external shock to factor of safety has been improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of civil air defense equipment and specifically relates to a steel construction single leaf airtight door is related to.
Background
The sealing door is used in the passage of the underground main substation and the main drainage pump room to the underground parking lot and is easy to close so as to prevent water from suddenly immersing. The door leaf of the airtight door is formed by assembling and welding a flat steel plate, a # -shaped rib plate, a ring beam and the like.
Notice No. is CN 208236227U's chinese utility model discloses a reinforced concrete protection airtight door, including the airtight door main part, inside reinforcing bar layer and the concrete layer of being provided with respectively of airtight door main part, and the reinforcing bar layer is located one side of concrete layer, one side of airtight door main part is connected with protective frame through the hinge, the front end surface of airtight door main part is provided with the ventilation window, and the door handle is installed to the below of ventilation window. The reinforcing steel bar layer and the concrete layer have the advantage of high structural strength, and the reinforcing steel bar layer and the concrete layer are mixed together, so that the overall structural strength of the airtight door is greatly improved. The card is fixed on the handle, when the handle is rotated, the card and the handle rotate synchronously, and the card is clamped into the protective frame to close the main body of the airtight door.
The technical scheme has the following defects: because only be connected fixedly through a card between airtight door main part and the protective frame for the joint strength of upper end, lower extreme and protective frame of airtight door main part is relatively poor, is destroyed easily when receiving great impact, and factor of safety is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel construction single leaf airtight door inserts the door frame through a plurality of stop pins, makes the whole and door frame joint strength of the door body stronger, can keep better stability when receiving external shock to factor of safety has been improved.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a steel construction single leaf airtight door, includes the door frame and rotates and install door body on the door frame, the locking groove has been seted up to the door frame, be provided with on the door body with the locking device that the door frame is connected, locking device includes that a plurality of interval levels slide the setting and be in on the door body and with locking groove grafting complex stop pin, rotation are installed on the door body and with stop pin screw thread cup joints complex gangbar, sets up on the door body and with the actuating mechanism that the gangbar is connected, it is a plurality of the stop pin is in along vertical even interval distribution the door body is close to locking groove one side.
Through adopting above-mentioned technical scheme, actuating mechanism drives the gangbar and rotates, because gangbar and stop pin screw-thread fit, consequently the gangbar rotates and drives a plurality of stop pins and slide simultaneously, until a plurality of stop pins insert the locking groove in, realize the fixed of the door body. The door frame is inserted through the locking pins, so that the connection strength of the whole door body and the door frame is high, and the door body can keep good stability when being impacted externally, thereby improving the safety factor.
Preferably, the driving mechanism comprises a driving rod rotatably mounted on the door body, a first bevel gear mounted on the driving rod, a second bevel gear arranged on the linkage rod and engaged with the first bevel gear, and an operating assembly arranged on the door body and connected with the driving rod.
Through adopting above-mentioned technical scheme, when needs rotate the gangbar, the operating means drives the actuating lever and rotates, and first bevel gear rotates with the actuating lever synchronization, and first bevel gear drives the rotation of second bevel gear, and the gangbar rotates with the second bevel gear synchronization to the drive to the gangbar is realized.
Preferably, the operation assembly comprises a worm rotatably mounted on the door body, a worm wheel mounted on the driving rod and meshed with the worm, and a turntable mounted at one end, far away from the door body, of the worm.
By adopting the technical scheme, when the driving rod needs to be rotated, the turntable is rotated, the turntable drives the worm to rotate, the worm is meshed with the worm wheel, and therefore the worm wheel is driven by the worm to rotate, the driving rod and the worm wheel synchronously rotate, and the rotation of the driving rod can be realized.
Preferably, one end of the locking pin inserted into the locking groove is provided with a chamfer.
By adopting the technical scheme, the area of one point of the locking pin inserted into the locking groove is reduced, so that the locking pin does not need to be accurately aligned and is convenient to insert.
Preferably, the first magnet is embedded in the groove bottom of locking groove, the locking pin towards the groove bottom one side of locking groove is embedded with the second magnet of first magnet inter attraction.
Through adopting above-mentioned technical scheme, when the bottom of locking groove was supported tightly to the stop pin, first magnet and second magnet inter attraction to make the door body close the back stop pin be difficult to appear not hard up, improved the stability after the door body is closed, can reduce the probability that children greeted and open the door body.
Preferably, the stop pin inserts locking groove one end is provided with the location ball, the tank bottom that locks the groove is provided with the block rubber, the block rubber orientation lock outside one side seted up with location ball joint complex constant head tank, just the groove depth of constant head tank is greater than the radius of location ball, just the notch diameter of constant head tank is less than the diameter of location ball.
Through adopting above-mentioned technical scheme, the constant head tank of rubber piece is gone into to the locating ball card, realizes the fixed of the position of stop pin to make the door body close the back stop pin be difficult to appear not hard up, improved the stability after the door body is closed, can reduce the probability that children greedy play and open the door body. And there is great frictional force between rubber block and the location ball, therefore the difficult relative rotation between the two when the power that receives is less to can further improve stability.
Preferably, the stop pin inserts locking groove one end is provided with fixed ball, the tank bottom of locking groove be provided with be concave type and with fixed ball joint complex elasticity cramp, just the diameter of fixed ball is greater than the opening width of elasticity cramp.
Through adopting above-mentioned technical scheme, the elasticity cramp is gone into to the location ball card, and the elasticity cramp will be fixed a position the ball and carry to inject the stop pin in locking inslot, make the door body close the back stop pin be difficult to appear not hard up, improved the stability after the door body is closed, can reduce the probability that children greedy play and open the door body.
Preferably, two opening ends of the elastic buckle piece are provided with guide pieces in a bent shape, and the width of one end, connected with the elastic buckle piece, of each of the two guide pieces is smaller than the width of one end, far away from the elastic buckle piece, of each of the two guide pieces.
By adopting the technical scheme, the positioning ball can smoothly enter the elastic buckle sheet under the action of the guide sheet, and the positioning ball can be prevented from being scratched by the opening end of the elastic buckle sheet.
To sum up, the utility model discloses a beneficial technological effect does: the door frame is inserted through the locking pins, so that the connection strength of the whole door body and the door frame is high, and the door body can keep good stability when being impacted externally, thereby improving the safety factor.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure according to a first embodiment;
FIG. 2 is an enlarged schematic view of section A of FIG. 1;
fig. 3 is a partial sectional view of the second embodiment, showing a structure in which the locking pin is engaged with the door frame;
fig. 4 is a partial sectional view of the third embodiment, showing a structure in which the lock pin is engaged with the door frame.
Reference numerals: 1. a door frame; 11. a locking groove; 111. a first magnet; 112. a rubber block; 113. an elastic buckle piece; 114. a guide piece; 2. a door body; 21. a fixed block; 211. a sliding hole; 212. a limiting groove; 22. a rotating seat; 23. a supporting seat; 3. a locking pin; 31. a limiting strip; 32. chamfering; 33. a second magnet; 34. a positioning ball; 35. fixing the ball; 4. a linkage rod; 51. a drive rod; 52. a first bevel gear; 53. a second bevel gear; 54. an operating component; 541. a worm; 542. a worm gear; 543. a turntable.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the utility model provides a steel construction single leaf sealed door, refers to figure 1, and including door frame 1 and the door body 2, the door body 2 is installed on a vertical edge of door frame 1 through the hinge is articulated, and the medial surface on another perpendicular limit of door frame 1 is equipped with four locking grooves 11 along vertical evenly spaced apart.
Referring to fig. 2, a locking device is arranged on a door body 2, the locking device comprises four locking pins 3, a linkage rod 4 and a driving mechanism, four fixing blocks 21 are vertically and uniformly arranged on one edge of the door body 2 far away from a hinge point at intervals, and four sliding holes 211 are in one-to-one correspondence with four locking grooves 11; each fixing block 21 is provided with a horizontal sliding hole 211, and when the door body 2 is closed, the sliding hole 211 is coaxial with the locking groove 11.
The lateral wall of the sliding hole 211 is provided with a limit groove 212, the locking pin 3 is arranged on the sliding hole 211 in a sliding manner, and the lateral wall of the locking pin 3 is fixedly provided with a limit strip 31 which is matched with the limit groove 212 in a sliding manner at the middle part, so that the locking pin 3 can only move along the axial direction of the sliding hole 211. The locking pin 3 and locking groove 11 are in plug-in fit, and the one end of inserting locking groove 11 is provided with chamfer 32, and the locking pin 3 of being convenient for inserts locking groove 11.
A rotating seat 22 is fixedly arranged on the door body 2 between the fixed block 21 and the hinge point, the linkage rod 4 is rotatably arranged on the rotating seat 22, and the linkage rod 4 is coaxial with the locking pin 3; the side wall of the locking pin 3 close to one end of the rotating seat 22 is provided with an external thread, the end surface of the linkage rod 4 close to one end of the fixed block 21 is provided with an internal thread groove matched with the external thread, and the external thread end of the locking pin 3 is installed in the internal thread groove of the linkage rod 4 in a threaded manner. The locking pin 3 can slide along the fixed block 21 by rotating the linkage rod 4.
The driving mechanism includes a driving lever 51, a first bevel gear 52, a second bevel gear 53, and an operating assembly 54, and the operating assembly 54 includes a worm 541, a worm wheel 542, and a rotary plate 543. The second bevel gear 53 is fixedly arranged at one end of the linkage rod 4 far away from the locking pin 3, a supporting seat 23 (see fig. 1) is fixedly arranged on the door body 2, the supporting seat 23 is closer to a hinge point relative to the rotating seat 22, and the driving rod 51 is rotatably arranged on the supporting seat 23; the first bevel gear 52 is fixedly provided on the drive lever 51 and meshes with the second bevel gear 53. The worm wheel 542 is fixedly arranged at the middle position of the driving rod 51, the worm 541 is rotatably arranged on the door body 2 through a bearing, and the worm 541 is meshed with the worm wheel 542; the rotary plate 543 is fixedly arranged at one end of the worm 541 far away from the door body 2. When the dial 543 is rotated, the worm 541 rotates in synchronization with the dial 543, the worm 541 drives the worm wheel 542 to rotate, the first bevel gear 52 rotates in synchronization with the worm wheel 542 through the driving lever 51, and the first bevel gear 52 rotates to drive the second bevel gear 53 to rotate, so that the locking pin 3 is slidably inserted into the locking groove 11.
The first magnet (not shown) is fixedly embedded at the bottom of the locking groove 11, the second magnet 33 is fixedly embedded at one side of the locking pin 3 facing the bottom of the locking groove 11, and the first magnet and the second magnet 33 attract each other to stably limit the locking pin 3 in the locking groove 11.
The working principle of the embodiment is as follows:
when the door body 2 needs to be closed, the rotary disc 543 is rotated, and the locking pin 3 is inserted into the locking groove 11; when the rotary plate 543 cannot rotate, the locking pin 3 abuts against the bottom of the locking groove 11, and the first magnet and the second magnet 33 are attracted.
Example two:
a steel structure single-leaf airtight door, referring to fig. 3, is different from the first embodiment in that: the end of the locking pin 3 inserted into the locking groove 11 is fixedly provided with a positioning ball 34, and the maximum section of the positioning ball 34 is smaller than the section of the chamfered 32 end of the locking pin 3.
The fixed block rubber 112 that is provided with of tank bottom that locks groove 11, block rubber 112 have seted up the constant head tank towards locking outside one side of groove 11, and constant head tank and location ball 34 joint cooperation, and the groove depth of constant head tank is greater than the radius of location ball 34, and the notch diameter of constant head tank is less than the diameter of location ball 34. With the rotation of the rotary plate 543, the locking pin 3 is inserted into the locking groove 11 and is snapped into the positioning groove of the rubber block 112, thereby completing the fixation of the door body 2.
Example three:
a steel structure single-leaf airtight door, referring to fig. 4, is different from the first embodiment in that: one end of the locking pin 3 inserted into the locking groove 11 is fixedly provided with a fixing ball 35, and the maximum section of the fixing ball 35 is smaller than the section of the chamfered 32 end of the locking pin 3; a concave elastic buckling piece 113 is arranged at the bottom of the locking groove 11, the concave space of the elastic buckling piece 113 is in clamping fit with the fixed ball 35, and the diameter of the fixed ball 35 is larger than the opening width of the elastic buckling piece 113; and two opening ends of the elastic buckling piece 113 are integrally provided with a bent guide piece 114, and the width of the end of the two guide pieces 114 connected with the elastic buckling piece 113 is smaller than the width of the end of the two guide pieces 114 far away from the elastic buckling piece 113. When the locking pin 3 is inserted into the locking groove 11, the fixing ball 35 enters the elastic catch 113 by the guide piece 114, and the door 2 is closed.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a steel construction single leaf sealed door, includes door frame (1) and rotates to be installed door body (2) on door frame (1), locking groove (11), its characterized in that have been seted up in door frame (1): be provided with on the door body (2) with the locking device that door frame (1) is connected, locking device includes that a plurality of intervals level slides and sets up on the door body (2) and with locking groove (11) are pegged graft complex stop pin (3), are rotated and are installed on the door body (2) and with stop pin (3) screw thread sleeve joint complex gangbar (4), setting are in on the door body (2) and with the actuating mechanism that gangbar (4) are connected, it is a plurality of vertical even interval distribution is in along stop pin (3) the door body (2) are close to locking groove (11) one side.
2. The steel structure single-leaf airtight door of claim 1, characterized in that: the driving mechanism comprises a driving rod (51) rotatably installed on the door body (2), a first bevel gear (52) installed on the driving rod (51), a second bevel gear (53) arranged on the linkage rod (4) and meshed with the first bevel gear (52), and an operating assembly (54) arranged on the door body (2) and connected with the driving rod (51).
3. The steel structure single-leaf airtight door of claim 2, characterized in that: the operation assembly (54) comprises a worm (541) rotatably installed on the door body (2), a worm wheel (542) installed on the driving rod (51) and meshed with the worm (541), and a rotary table (543) installed at one end, far away from the door body (2), of the worm (541).
4. The steel structure single-leaf airtight door of claim 1, characterized in that: and a chamfer (32) is arranged at one end of the locking pin (3) inserted into the locking groove (11).
5. The steel structure single-leaf airtight door of claim 4, characterized in that: the tank bottom of locking groove (11) inlays and is equipped with first magnet (111), stop pin (3) orientation the tank bottom one side of locking groove (11) is inlayed and is equipped with first magnet (111) inter attraction's second magnet (33).
6. The steel structure single-leaf airtight door of claim 4, characterized in that: stop pin (3) insert locking groove (11) one end is provided with location ball (34), the maximum cross-section of location ball (34) is less than the cross-section of stop pin (3) chamfer (32) end, the tank bottom that locks groove (11) is provided with block rubber (112), block rubber (112) orientation locking groove (11) outside one side seted up with location ball (34) joint complex constant head tank, just the groove depth of constant head tank is greater than the radius of location ball (34), just the notch diameter of constant head tank is less than the diameter of location ball (34).
7. The steel structure single-leaf airtight door of claim 4, characterized in that: stop pin (3) insert locking groove (11) one end is provided with fixed ball (35), the maximum cross-section of fixed ball (35) is less than the cross-section of stop pin (3) chamfer (32) end, the tank bottom of locking groove (11) be provided with be concave type and with fixed ball (35) joint complex elasticity cramp (113), just the diameter of fixed ball (35) is greater than the opening width of elasticity cramp (113).
8. The steel structure single-leaf airtight door of claim 7, characterized in that: two open ends of the elastic buckling piece (113) are provided with guide pieces (114) which are bent, and the width of one end, connected with the elastic buckling piece (113), of each guide piece (114) is smaller than the width of one end, far away from the elastic buckling piece (113), of each guide piece (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393333.3U CN209874788U (en) | 2019-03-26 | 2019-03-26 | Steel construction single leaf airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393333.3U CN209874788U (en) | 2019-03-26 | 2019-03-26 | Steel construction single leaf airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874788U true CN209874788U (en) | 2019-12-31 |
Family
ID=68956771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920393333.3U Expired - Fee Related CN209874788U (en) | 2019-03-26 | 2019-03-26 | Steel construction single leaf airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874788U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543798A (en) * | 2020-04-13 | 2020-08-18 | 广州国保科技有限公司 | Shielding cabinet body |
| CN111577079A (en) * | 2020-05-27 | 2020-08-25 | 芜湖百益人防工程防护设备有限公司 | Multiple protection people's air defense door |
| CN112127716A (en) * | 2020-09-18 | 2020-12-25 | 林睿 | ATM security protection door |
| CN113958214A (en) * | 2021-09-02 | 2022-01-21 | 河南省金鑫民防(集团)有限公司 | Protective door locking mechanism |
| CN115977291A (en) * | 2023-03-20 | 2023-04-18 | 秦皇岛永瑞装配式建筑科技有限公司 | Prefabricated coincide floor of assembled |
-
2019
- 2019-03-26 CN CN201920393333.3U patent/CN209874788U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543798A (en) * | 2020-04-13 | 2020-08-18 | 广州国保科技有限公司 | Shielding cabinet body |
| CN111577079A (en) * | 2020-05-27 | 2020-08-25 | 芜湖百益人防工程防护设备有限公司 | Multiple protection people's air defense door |
| CN112127716A (en) * | 2020-09-18 | 2020-12-25 | 林睿 | ATM security protection door |
| CN113958214A (en) * | 2021-09-02 | 2022-01-21 | 河南省金鑫民防(集团)有限公司 | Protective door locking mechanism |
| CN115977291A (en) * | 2023-03-20 | 2023-04-18 | 秦皇岛永瑞装配式建筑科技有限公司 | Prefabricated coincide floor of assembled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |