CN214145239U - Steel stable fireproof door - Google Patents
Steel stable fireproof door Download PDFInfo
- Publication number
- CN214145239U CN214145239U CN202022706708.2U CN202022706708U CN214145239U CN 214145239 U CN214145239 U CN 214145239U CN 202022706708 U CN202022706708 U CN 202022706708U CN 214145239 U CN214145239 U CN 214145239U
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- wall
- door
- door leaf
- rod
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 235000019504 cigarettes Nutrition 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a fire door is prevented to steel firm type relates to and prevents fire door technical field, and this fire door is prevented to steel firm type, including door leaf and door frame, the cavity has been seted up to the inside of door leaf, the inner wall of cavity and the surperficial swing joint of lug, the surface of lug and the fixed surface of circle axle are connected, door leaf and fixedly connected with handle are all run through at the both ends of circle axle, the quantity of handle is two, two the handle is located the front and the back of door leaf respectively, one side of circle axle and the one end swing joint of movable rod are kept away from on the lug surface. The utility model discloses a set up lug, extrusion piece, inserted bar and U-shaped pole to among the solution prior art, fire door is prevented to present common steel when using, and the door leaf receives great intensity of a fire to strike the back and warp easily, warp the back and laminate between door leaf and the door frame and not inseparable, and the cigarette flows from the gap between door leaf and the door frame easily, reduces the problem of preventing fire door fire behavior.
Description
Technical Field
The utility model relates to a prevent fire door technical field, specifically be a fire door is prevented to steel firm type.
Background
The steel prevents that fire door is with the fire door of steel material preparation door frame and door leaf, and the intussuseption of door leaf packs fire prevention thermal insulation material, realizes preventing fires and thermal-insulated, is fire-fighting equipment's important component, often installs in the evacuation passageway of stair, and the door leaf passes through the hinge to be connected with the door frame, and the door leaf passes through the lock to be closed in the door frame, prevents that the door leaf from being opened at will.
Among the prior art, fire door is prevented to present common steel when using, the door leaf passes through the hinge and is connected with the door frame, the door leaf passes through the lock and closes in the door frame, when the conflagration breaing out, the door leaf receives the impact of flame, when the impact force is great, the door leaf only relies on hinge and lock to be connected with the door frame, the door leaf receives great easy deformation after assaulting, it is inseparable not to warp the laminating between back door leaf and the door frame, the gap outflow between door leaf and the door frame is followed easily to the cigarette, reduce fire door's fire behavior.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fire door is prevented to steel firm type possesses and prevents that the door leaf from warping, improves the advantage of preventing fire door fire behavior to among the solution prior art, fire door is prevented to present common steel when using, and the door leaf receives great intensity of a fire to strike the back and warp easily, warp the laminating between back door leaf and the door frame and not inseparable, and the cigarette flows from the gap between door leaf and the door frame easily, reduces the problem of preventing fire door fire behavior.
For the realization prevents that the door leaf warp, improves the purpose of preventing fire door fire behavior, the utility model provides a following technical scheme: a steel stable fireproof door comprises a door leaf and a door frame, wherein a cavity is formed in the door leaf, the inner wall of the cavity is movably connected with the surface of a convex block, the surface of the convex block is fixedly connected with the surface of a round shaft, two ends of the round shaft penetrate through the door leaf and are fixedly connected with handles, the two handles are respectively positioned on the front side and the back side of the door leaf, one side, away from the round shaft, of the surface of the convex block is movably connected with one end of a movable rod, a first guide groove is formed in the inner wall of the cavity, the surface of the movable rod is movably connected with the inner wall of the first guide groove, a square sleeve is fixedly sleeved on the surface of the movable rod, a first annular groove is formed in the side surface of the inner wall of the first guide groove, the surface of the square sleeve is movably connected with the inner wall of the first annular groove, one end, away from the round shaft, of the square sleeve is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with one side of the inner wall of the first annular groove, which is far away from the circular shaft, the spring is movably sleeved on the surface of the movable rod, the surface of the square sleeve is fixedly connected with an extrusion block, the side of the inner wall of the first annular groove is provided with a square groove, one side of the inner wall of the square groove, which is far away from the square sleeve, is provided with a second guide groove, the inner wall of the second guide groove is movably connected with the surface of an insertion rod, one end of the insertion rod, which is close to the extrusion block, is movably connected with the surface of the extrusion block, the side of the inner wall of the door frame is provided with a slot, the insertion rod is inserted into the slot, the surface of the insertion rod is provided with an elastic component, the top and the bottom of the door leaf are both provided with a chute, the surface of the U-shaped rod, which is close to the U-shaped rod, is movably connected with the surface of the U-shaped rod, and the top and the bottom of the inner wall of the door frame are both provided with a clamping groove, the two ends of the U-shaped rod are inserted into the clamping grooves.
As an optimal technical scheme of the utility model, one side that the lug surface kept away from the circle axle is the curved surface, the shape of movable rod and the shape looks adaptation of lug.
As a preferred technical scheme of the utility model, the front of door leaf and the equal fixedly connected with round cover in the back, the inner wall of round cover and the surperficial swing joint of circle axle, the spacing groove has been seted up to the inner wall of round cover, the fixed surface of circle axle is connected with the stopper, the surface of stopper and the inner wall swing joint of spacing groove.
As an optimal technical scheme of the utility model, the one end that the inserted bar is close to the square sleeve is the inclined plane, the shape looks adaptation of the shape of extrusion piece and inserted bar.
As the utility model discloses a preferred technical scheme, the inserted bar is close to the one end activity of square sheath and inlays and have the ball, one side swing joint of square sheath is kept away from on the surface of ball and extrusion piece surface.
As an optimal technical scheme of the utility model, the front of slot inner wall is the inclined plane, the shape looks adaptation of shape and slot of inserted bar.
As a preferred technical scheme of the utility model, elastic component includes pressure spring, the lantern ring and second ring channel, the inner wall at the second guide way is seted up to the second ring channel, the fixed cover of lantern ring is connected on the surface of inserted bar, the surface of the lantern ring and the inner wall swing joint of second ring channel, the one end fixed connection of square sleeve is kept away from with the lantern ring to the one end of pressure spring, the other end and the second ring channel inner wall of pressure spring are close to one side fixed connection of slot, the surface at the inserted bar is cup jointed in the pressure spring activity.
As an optimal technical scheme of the utility model, the front of draw-in groove inner wall is the inclined plane, the shape of U-shaped pole and the shape looks adaptation of draw-in groove.
Compared with the prior art, the utility model provides a fire door is prevented to steel firm type possesses following beneficial effect:
1. the steel stable fireproof door is provided with the convex block, the extrusion block, the inserted bar and the U-shaped bar, when in use, after the door leaf is closed, the handle is rotated to enable the round shaft to drive the convex block to extrude the movable bar, the movable bar drives the U-shaped bar to be tightly attached to the inner wall of the clamping groove, the movable bar drives the extrusion block to extrude the inserted bar, the inserted bar is tightly attached to the inner wall of the clamping groove, the top, the bottom and the side positions of the door leaf are clamped through the U-shaped bar and the inserted bar, the connection between the door leaf and the door frame is more tight and firm, the impact resistance of the door leaf is improved, the connection between the door leaf and the door frame is more tight, meanwhile, the inclined plane of the inner wall of the clamping groove is extruded by the inclined plane of the U-shaped bar, the sealing strip of the door leaf and the inner wall of the door frame is tightly attached, the sealing performance of the door leaf position is improved, further, the smoke is prevented from flowing out from the connecting position of the door leaf and the door frame, and the deformation of the door leaf is prevented, improve the effect of preventing fire door fire behavior to among the solution prior art, prevent fire door when using in the steel that present common, the door leaf receives great intensity of a fire to strike the back and warp easily, warp the back door leaf and the door frame between the laminating not inseparable, the cigarette flows from the gap between door leaf and the door frame easily, reduces the problem of preventing fire door fire behavior.
2. This fire door is prevented to firm type of steel, through setting up circle cover and stopper, when using, the circle axle drives the stopper when rotating and rotates along the spacing groove of circle cover inner wall, and the stopper separates with one side of spacing inslot wall, and when the stopper was laminated with the opposite side of spacing inslot wall, the circle axle rotated ninety degrees, and the lug separates with the movable rod, and the stopper prevents that circle axle single turned angle is too big to prevent that circle axle turned angle from making the lug extrusion movable rod too big and causing the door leaf can't open.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the bump according to the present invention;
FIG. 3 is a right sectional view of the bump according to the present invention;
FIG. 4 is a right sectional view of the U-shaped rod of the present invention;
FIG. 5 is a top cross-sectional view of the present invention at the location of the insert rod;
fig. 6 is a front sectional view of the round sleeve of the present invention.
In the figure: 1. a door leaf; 2. a door frame; 3. a cavity; 4. a bump; 5. a circular shaft; 6. a grip; 7. a movable rod; 8. a first guide groove; 9. a square sleeve; 10. a first annular groove; 11. a spring; 12. extruding the block; 13. a square groove; 14. a second guide groove; 15. inserting a rod; 16. a slot; 17. an elastic component; 1701. a pressure spring; 1702. a collar; 1703. a second annular groove; 18. a chute; 19. a U-shaped rod; 20. a card slot; 21. a round sleeve; 22. a limiting groove; 23. a limiting block; 24. and a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model discloses a steel stable fire door, which comprises a door leaf 1 and a door frame 2, wherein a cavity 3 is arranged inside the door leaf 1, the cavity 3 provides a space for the rotation of a bump 4, the inner wall of the cavity 3 is movably connected with the surface of the bump 4, the surface of the bump 4 is fixedly connected with the surface of a round shaft 5, two ends of the round shaft 5 penetrate through the door leaf 1 and are fixedly connected with two handles 6, the two handles 6 are respectively positioned at the front and the back of the door leaf 1, any handle 6 can be held to separate a U-shaped rod 19 and an inserted rod 15 from a clamping groove 20 and a slot 16 respectively, one side of the surface of the bump 4 far away from the round shaft 5 is movably connected with one end of a movable rod 7, the inner wall of the cavity 3 is provided with a first guide groove 8, the first guide groove 8 guides the movable rod 7 to keep the movable rod 7 in a vertical motion state, the surface of the movable rod 7 is movably connected with the inner wall of the first guide groove 8, the surface of the movable rod 7 is fixedly sleeved with a square sleeve 9, the side surface of the inner wall of the first guide groove 8 is provided with a first annular groove 10, the central axis of the first annular groove 10 coincides with the central axis of the movable rod 7, the surface of the square sleeve 9 is movably connected with the inner wall of the first annular groove 10, one end of the square sleeve 9 far away from the round shaft 5 is fixedly connected with one end of a spring 11, the other end of the spring 11 is fixedly connected with one side of the inner wall of the first annular groove 10 far away from the round shaft 5, the spring 11 is movably sleeved on the surface of the movable rod 7, the surface of the square sleeve 9 is fixedly connected with an extrusion block 12, the extrusion block 12 extrudes the inclined surface of the insert rod 15 to enable the insert rod 15 to be inserted into the slot 16, the side surface of the inner wall of the first annular groove 10 is provided with a square groove 13, one side of the inner wall of the square groove 13 far away from the square sleeve 9 is provided with a second guide groove 14, the second guide groove 14 guides the movement of the insert rod 15, make inserted bar 15 be in the horizontal motion state all the time, the surface swing joint of the inner wall of second guide way 14 and inserted bar 15, the one end that inserted bar 15 is close to extrusion block 12 and the surface swing joint of extrusion block 12, slot 16 has been seted up to the side of door frame 2 inner wall, inserted bar 15 pegs graft to the inside of slot 16, the surface of inserted bar 15 is provided with elastic component 17, spout 18 has all been seted up to the top and the bottom of door leaf 1, spout 18 provides space and direction for the motion of U-shaped pole 19, the front cut-out of U-shaped pole 19 is the U-shaped, the surface swing joint of the inner wall U-shaped pole 19 of spout 18, the one end that movable rod 7 is close to U-shaped pole 19 is connected with the fixed surface of U-shaped pole 19, draw-in groove 20 has all been seted up to the top and the bottom of door frame 2 inner wall, the both ends of U-shaped pole 19 all peg graft to the inside of draw-in groove 20.
Specifically, one side of the surface of the convex block 4, which is far away from the circular shaft 5, is a curved surface, and the shape of the movable rod 7 is matched with that of the convex block 4.
In this embodiment, the curved surface of the projection 4 is attached to the curved surface of the movable rod 7, so that the contact area between the projection 4 and the movable rod 7 is increased, and the circular shaft 5 is prevented from rotating freely.
Specifically, the equal fixedly connected with circle cover 21 in the front and the back of door leaf 1, the inner wall of circle cover 21 and the surperficial swing joint of circle axle 5, spacing groove 22 has been seted up to the inner wall of circle cover 21, and the fixed surface of circle axle 5 is connected with stopper 23, stopper 23's the surface and the inner wall swing joint of spacing groove 22.
In this embodiment, round axle 5 drives stopper 23 when rotating and rotates along the spacing groove 22 of round cover 21 inner wall, and stopper 23 prevents that 5 single turned angle of round axle are too big to prevent that 5 turned angle of round axle is too big to make lug 4 extrusion movable rod 7 cause door leaf 1 can't open.
Specifically, one end of the inserted rod 15 close to the square sleeve 9 is an inclined surface, and the shape of the extrusion block 12 is matched with that of the inserted rod 15.
In this embodiment, the inclined surface of the pressing block 12 presses the inclined surface of the insertion rod 15, so that the insertion rod 15 is inserted into the insertion slot 16 to lock the door leaf 1.
Specifically, a ball 24 is movably embedded at one end of the inserted link 15 close to the square sleeve 9, and the surface of the ball 24 is movably connected with one side of the surface of the extrusion block 12 far away from the square sleeve 9.
In this embodiment, the balls 24 rotate to reduce the friction between the insertion rod 15 and the extrusion block 12, so that the extrusion block 12 drives the insertion rod 15 to move more smoothly.
Specifically, the front surface of the inner wall of the slot 16 is an inclined surface, and the shape of the inserted link 15 is matched with the shape of the slot 16.
In this embodiment, the inclined plane of the insertion rod 15 extrudes the inclined plane of the inner wall of the slot 16, so that the sealing strip on the inner wall of the door leaf 1 and the inner wall of the door frame 2 are tightly attached, and the tightness of connection between the door leaf 1 and the door frame 2 is improved.
Specifically, the elastic assembly 17 comprises a pressure spring 1701, a collar 1702 and a second annular groove 1703, the second annular groove 1703 is arranged on the inner wall of the second guide groove 14, the collar 1702 is fixedly sleeved on the surface of the inserted rod 15, the surface of the collar 1702 is movably connected with the inner wall of the second annular groove 1703, one end of the pressure spring 1701 is fixedly connected with one end, away from the square sleeve 9, of the collar 1702, the other end of the pressure spring 1701 is fixedly connected with one side, close to the insertion groove 16, of the inner wall of the second annular groove 1703, and the pressure spring 1701 is movably sleeved on the surface of the inserted rod 15.
In this embodiment, when the extrusion block 12 is not extruding the insert rod 15, the elastic force of the compression spring 1701 drives the insert rod 15 to move towards the square sleeve 9 along the inner wall of the second guide groove 14 through the collar 1702, and the insert rod 15 can be separated from the slot 16.
Specifically, the front surface of the inner wall of the clamping groove 20 is an inclined surface, and the shape of the U-shaped rod 19 is matched with that of the clamping groove 20.
In this embodiment, the inclined plane of the U-shaped rod 19 extrudes the inclined plane of the inner wall of the slot 20, so that the sealing strip on the inner wall of the door leaf 1 and the inner wall of the door frame 2 are tightly attached, and the tightness of connection between the door leaf 1 and the door frame 2 is improved.
The utility model discloses a theory of operation and use flow: when the door leaf 1 is used, when the door leaf 1 needs to be opened, the handle 6 is rotated to enable the round shaft 5 to rotate, the round shaft 5 drives the lug 4 to rotate and separate from the movable rod 7, the square sleeve 9 drives the movable rod 7 to move towards the direction close to the round shaft 5 under the elastic action of the spring 11, the movable rod 7 drives the U-shaped rod 19 to separate from the clamping groove 20, the square sleeve 9 drives the extrusion block 12 to move towards the direction close to the round shaft 5 under the elastic action of the spring 11, the extrusion block 12 does not extrude the inserted rod 15, the sleeve ring 1702 drives the inserted rod 15 to move towards the direction close to the square sleeve 9 under the elastic action of the pressure spring 1701, the inserted rod 15 is separated from the clamping groove 20, the handle of the door leaf 1 is held to open the door leaf 1, when the door leaf 1 is closed, the handle 6 is rotated reversely to enable the round shaft 5 to drive the lug 4 to extrude the movable rod 7, the movable rod 7 drives the square sleeve 9 and the U-shaped rod 19 to move towards the direction far away from the round shaft 5, the square sleeve 9 extrudes the spring 11 along the inner wall of the first annular groove 10, the spring 11 is in a compressed state, the U-shaped rod 19 is tightly attached to the inner wall of the clamping groove 20, the square sleeve 9 drives the inclined surface of the extrusion block 12 to extrude the inclined surface of the inserted rod 15, the inserted rod 15 moves along the inner wall of the second guide groove 14 in the direction far away from the square sleeve 9 and is inserted into the clamping groove 20, the inserted rod 15 drives the lantern ring 1702 to extrude the pressure spring 1701, the pressure spring 1701 is in a compressed state, the top, the bottom and the side positions of the door leaf 1 are clamped through the U-shaped rod 19 and the inserted rod 15, the connection between the door leaf 1 and the door frame 2 is more tight and firm, the impact resistance of the door leaf 1 is improved, the connection between the door leaf 1 and the door frame 2 is more tight, meanwhile, the inclined surface of the U-shaped rod 19 extrudes the inclined surface of the inner wall of the clamping groove 20, the inclined surface of the inserted rod 15 extrudes the inclined surface of the inner wall of the clamping groove 20, the sealing strip on the inner wall of the door leaf 1 and the door frame 2 is tightly attached, the sealing performance of the position of the door leaf 1 is improved, and the sealing performance of the door leaf 1 is further, and smoke is prevented from flowing out from the connection position of the door frame 2, prevent the deformation of the door leaf 1 and improve the fireproof performance of the fireproof door.
In conclusion, this fire door is prevented to steel firm type through setting up lug 4, extrusion block 12, inserted bar 15 and U-shaped pole 19 to solve among the prior art, present common fire door is prevented to steel and is used, and door leaf 1 receives the easy deformation of great intensity of a fire after assaulting, and the laminating is not inseparable between deformation back door leaf 1 and the door frame 2, and the gap between door leaf 1 and the door frame 2 flows out is followed easily to the cigarette, reduces the problem of preventing fire door fire behavior.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fire door is prevented to steel firm type, includes door leaf (1) and door frame (2), its characterized in that: the inner part of the door leaf (1) is provided with a cavity (3), the inner wall of the cavity (3) is movably connected with the surface of a convex block (4), the surface of the convex block (4) is fixedly connected with the surface of a round shaft (5), two ends of the round shaft (5) penetrate through the door leaf (1) and are fixedly connected with handles (6), the number of the handles (6) is two, the two handles (6) are respectively positioned on the front side and the back side of the door leaf (1), one side of the surface of the convex block (4), which is far away from the round shaft (5), is movably connected with one end of a movable rod (7), the inner wall of the cavity (3) is provided with a first guide groove (8), the surface of the movable rod (7) is movably connected with the inner wall of the first guide groove (8), the surface of the movable rod (7) is fixedly sleeved with a square sleeve (9), the side surface of the inner wall of the first guide groove (8) is provided with a first, the surface of the square sleeve (9) is movably connected with the inner wall of the first annular groove (10), one end of the square sleeve (9), far away from the round shaft (5), is fixedly connected with one end of a spring (11), the other end of the spring (11) is fixedly connected with one side, far away from the round shaft (5), of the inner wall of the first annular groove (10), the spring (11) is movably sleeved on the surface of the movable rod (7), the surface of the square sleeve (9) is fixedly connected with an extrusion block (12), a square groove (13) is formed in the side surface of the inner wall of the first annular groove (10), a second guide groove (14) is formed in one side, far away from the square sleeve (9), of the inner wall of the square groove (13), the inner wall of the second guide groove (14) is movably connected with the surface of an insertion rod (15), one end, close to the extrusion block (12), of the insertion rod (15) is movably connected with the surface of the extrusion block (12), a slot (16) is formed in the side surface of the inner wall of the door frame (2), the door leaf is characterized in that the insertion rod (15) is inserted into the slot (16), an elastic component (17) is arranged on the surface of the insertion rod (15), sliding grooves (18) are formed in the top and the bottom of the door leaf (1), surface movable connections of U-shaped rods (19) on the inner walls of the sliding grooves (18), one ends, close to the U-shaped rods (19), of the movable rods (7) are fixedly connected with the surfaces of the U-shaped rods (19), clamping grooves (20) are formed in the top and the bottom of the inner wall of the door frame (2), and the two ends of the U-shaped rods (19) are inserted into the clamping grooves (20).
2. The steel stable fire door of claim 1, wherein: one side of the surface of the convex block (4) far away from the circular shaft (5) is a curved surface, and the shape of the movable rod (7) is matched with that of the convex block (4).
3. The steel stable fire door of claim 1, wherein: the door leaf is characterized in that the front side and the back side of the door leaf (1) are fixedly connected with round sleeves (21), the inner walls of the round sleeves (21) are movably connected with the surfaces of round shafts (5), limiting grooves (22) are formed in the inner walls of the round sleeves (21), limiting blocks (23) are fixedly connected with the surfaces of the round shafts (5), and the surfaces of the limiting blocks (23) are movably connected with the inner walls of the limiting grooves (22).
4. The steel stable fire door of claim 1, wherein: one end of the inserted bar (15) close to the square sleeve (9) is an inclined plane, and the shape of the extrusion block (12) is matched with that of the inserted bar (15).
5. The steel stable fire door of claim 1, wherein: one end of the inserted rod (15) close to the square sleeve (9) is movably embedded with a ball (24), and the surface of the ball (24) is movably connected with one side of the surface of the extrusion block (12) far away from the square sleeve (9).
6. The steel stable fire door of claim 1, wherein: the front surface of the inner wall of the slot (16) is an inclined surface, and the shape of the inserted bar (15) is matched with that of the slot (16).
7. The steel stable fire door of claim 1, wherein: the elastic assembly (17) comprises a pressure spring (1701), a ring (1702) and a second annular groove (1703), the second annular groove (1703) is formed in the inner wall of the second guide groove (14), the ring (1702) is fixedly sleeved on the surface of the inserted rod (15), the surface of the ring (1702) is movably connected with the inner wall of the second annular groove (1703), one end of the pressure spring (1701) is fixedly connected with one end, far away from the square sleeve (9), of the ring (1702), the other end of the pressure spring (1701) is fixedly connected with one side, close to the insertion groove (16), of the inner wall of the second annular groove (1703), and the pressure spring (1701) is movably sleeved on the surface of the inserted rod (15).
8. The steel stable fire door of claim 1, wherein: the front surface of the inner wall of the clamping groove (20) is an inclined surface, and the shape of the U-shaped rod (19) is matched with that of the clamping groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706708.2U CN214145239U (en) | 2020-11-20 | 2020-11-20 | Steel stable fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706708.2U CN214145239U (en) | 2020-11-20 | 2020-11-20 | Steel stable fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145239U true CN214145239U (en) | 2021-09-07 |
Family
ID=77566114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022706708.2U Active CN214145239U (en) | 2020-11-20 | 2020-11-20 | Steel stable fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075650A (en) * | 2022-07-08 | 2022-09-20 | 高琳霞 | Folding portable tent |
-
2020
- 2020-11-20 CN CN202022706708.2U patent/CN214145239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075650A (en) * | 2022-07-08 | 2022-09-20 | 高琳霞 | Folding portable tent |
| CN115075650B (en) * | 2022-07-08 | 2023-09-05 | 高琳霞 | Folding portable tent |
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