Stainless steel single fireproof door
By introducing a mechanical structure of vertical and horizontal columns into the stainless steel single-leaf fire door, the problem of the single-leaf fire door being difficult to close in time in an emergency is solved, realizing fast and convenient automatic door closure and improving the fire prevention and control effect.
Patent Information
- Application Number
- CN202422630157.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing single-leaf fire doors are difficult to close in time during emergencies, are inconvenient to operate, and affect the effectiveness of fire prevention and control.
A stainless steel single-leaf fire door was designed. Through the cooperation of vertical and horizontal columns, and the mechanical structure of pressing blocks and top blocks, the door leaf can be automatically closed in an emergency. Combined with the drive of the door closer, it ensures rapid closing.
It enables the door to close quickly and conveniently in emergency situations, improves fire prevention capabilities, avoids operational obstacles caused by height differences, and enhances safety and practicality.
Smart Images

Figure CN223577811U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fireproof door structure technical field, concretely relates to a stainless steel single -open fireproof door. BACKGROUND
[0002] The main role of fireproof door is used for the spread of flame is blocked, thereby reducing the loss caused by fire, so many large public places will install fireproof door, especially in the safe passage and the place where the fire is easy to occur, according to the need different fireproof door's category material is different, and stainless steel is one of them, and the fireproof door is used stainless steel as the outer frame structure, and is wrapped with fireproof material or wood etc., and the fireproof door is divided into double -open and single -open two according to the site.
[0003] Now single -open fireproof door is generally open, it is convenient for people to go in and out under normal circumstances, and is applied to some special occasions that need to keep open, and the open fireproof door hides the door assembly installation in the slide of lintel, and there is a certain height requirement for the operator, which leads to the fact that the open fireproof door cannot be closed in time under emergency conditions, and the actual operation is not convenient enough, and therefore a stainless steel single -open fireproof door is proposed. UTILITY MODEL CONTENTS
[0004] The utility model solves technical problem and adopts the technical scheme of a stainless steel single -open fireproof door, including door frame, the door frame is established with two blocks, two block door frame top fixedly connected with lintel, wherein one side edge of door frame is rotatably connected with door leaf, the bottom side wall of lintel is opened in the middle and is provided with a sliding slot, and the side wall of one side of door frame and lintel is provided with an L-shaped side groove, the horizontal column is slidably connected in the horizontal groove of side groove, the top block is fixedly connected to the lower edge of one end of horizontal column, the vertical column is slidably connected in the vertical groove of side groove, and the side wall fixedly connected with horizontal column opposite to vertical column is provided with extrusion block.
[0005] As a preferred technical scheme of the utility model, the vertical column bottom end is fixedly connected with stress plate, the bottom side wall of stress plate is fixedly connected with tension spring, the tension spring is fixedly connected on the bottom side wall in the vertical groove of side groove through the end far away from stress plate, the vertical limiting column is telescopically connected in the vertical column top end, and the limiting column is fixedly connected on the top side wall of vertical groove of side groove.
[0006] As a preferred technical scheme of the utility model, the extrusion block is triangular structure, the oblique structure corresponding to the extrusion block is arranged on one end of the horizontal column close to the extrusive block, the reset spring is fixedly connected to the side wall of one end of the horizontal column far from the extrusion block, one end of the reset spring is fixedly connected to the side wall in one end of the horizontal slot, the top block is conical structure, the adjusting slot is arranged through the side wall of one side of the door frame, the adjusting slot is communicated with the vertical slot of the side slot, and the actuating plate is slidably connected in the adjusting slot, and one end of the actuating plate in the side slot is fixedly connected to one side of the stress plate.
[0007] As a preferred technical scheme of the utility model, the extrusion block is triangular structure, the oblique structure corresponding to the extrusion block is arranged on one end of the horizontal column close to the extrusive block, the reset spring is fixedly connected to the side wall of one end of the horizontal column far from the extrusion block, one end of the reset spring is fixedly connected to the side wall in one end of the horizontal slot, the top block is conical structure, the adjusting slot is arranged through the side wall of one side of the door frame, the adjusting slot is communicated with the vertical slot of the side slot, and the actuating plate is slidably connected in the adjusting slot, and one end of the actuating plate in the side slot is fixedly connected to one side of the stress plate.
[0008] As a preferred technical scheme of the utility model, the extrusion block is triangular structure, the oblique structure corresponding to the extrusion block is arranged on one end of the horizontal column close to the extrusive block, the reset spring is fixedly connected to the side wall of one end of the horizontal column far from the extrusion block, one end of the reset spring is fixedly connected to the side wall in one end of the horizontal slot, the top block is conical structure, the adjusting slot is arranged through the side wall of one side of the door frame, the adjusting slot is communicated with the vertical slot of the side slot, and the actuating plate is slidably connected in the adjusting slot, and one end of the actuating plate in the side slot is fixedly connected to one side of the stress plate.
[0009] The utility model has the advantages that the vertical column and the horizontal column are arranged, the vertical column is lifted upward when needed, the extrusion block is lifted synchronously, the horizontal column is pushed inward by extrusion, the top block is pressed on the ejection block, the ejection block extrudes the telescopic limiting column from the positioning slot under the action of pressure, the door leaf loses the limitation, is closed quickly under the action of the door closer, the protection capability is improved, the actuating plate is connected to the door frame and has a low height, the door leaf is closed in time in an emergency, and the emergency cannot be effectively controlled due to the height. ACCURACY
[0010] Figure 1 It is the three-dimensional structure schematic diagram of a preferred embodiment of the utility model;
[0011] Figure 2 It is the partial bottom view three-dimensional structure schematic diagram of a preferred embodiment of the utility model;
[0012] Figure 3 It is the front view plane structure schematic diagram of a preferred embodiment of the utility model;
[0013] Figure 4is a preferred embodiment of the utility model Figure 3 Amplification structure schematic view of the middle part.
[0014] Mark explanation: 1, door frame, 2, door lintel, 3, baffle, 4, adjusting groove, 5, dialing plate, 6, door leaf, 7, sliding groove, 8, sliding block, 9, link plate, 10, positioning groove, 11, side slot, 12, horizontal column, 13, vertical column, 14, extrusion block, 15, stress plate, 16, tension spring, 17, top block, 18, return spring, 19, ejector block, 20, bracing spring, 21, telescopic limiting column. Specific embodiments
[0015] The utility model is further described below in combination with the drawings.
[0016] Please combine with reference to Figures 1-4 The utility model discloses a stainless steel single -open fireproof door, including door frame 1, two pieces are set up to door frame 1, and the top of two pieces of door frame 1 is fixedly connected with door lintel 2, and the side edge of one door frame 1 is rotatably connected with door leaf 6, is seted up with sliding groove 7 in the middle of door lintel 2 bottom side wall, and one side side wall of door frame 1 and door lintel 2 is seted up with one L-shaped side slot 11, and the horizontal column 12 is slidably connected in the horizontal slot of side slot 11, and the top block 17 is fixedly connected to the lower edge of one end of horizontal column 12, and the vertical column 13 is slidably connected in the vertical slot of side slot 11, and the extrusion block 14 is fixedly connected to the opposite side wall of vertical column 13 with horizontal column 12;
[0017] The bottom end of the vertical column 13 is fixedly connected with a stress plate 15, the bottom side wall of the stress plate 15 is fixedly connected with a tension spring 16, the tension spring 16 is fixedly connected with the bottom side wall in the vertical groove of the side groove 11 through the end far away from the stress plate 15, the top end of the vertical column 13 is telescopically sleeved with a vertical limiting column, and the limiting column is fixedly connected with the top side wall of the vertical groove of the side groove 11, the extrusion block 14 is a triangular structure, the end close to the extrusion block 14 of the horizontal column 12 is provided with an inclined structure corresponding to the extrusion block 14, the end far away from the extrusion block 14 of the horizontal column 12 is fixedly connected with a return spring 18, one end of the return spring 18 is fixedly connected with the end side wall in the horizontal groove of the side groove 11, the top block 17 is a conical structure, the side wall of the door frame 1 is provided with an adjusting groove 4, the adjusting groove 4 is communicated with the vertical groove of the side groove 11, and the adjusting groove 4 is slidably connected with a driving plate 5, one end of the driving plate 5 in the side groove 11 is fixedly connected with one side of the stress plate 15, the middle of the bottom side wall of the lintel 2 is provided with the top block 17, the top part of the inner side wall of the top block 17 is provided with a positioning groove 10, the positioning groove 10 is communicated with the horizontal groove of the side groove 11, the positioning groove 10 is inserted with an ejection block 19, the outer ring wall of the ejection block 19 is fixedly connected with an annular stop block, the inner ring wall of the positioning groove 10 is fixedly connected with an annular supporting plate, and the supporting plate and the stop block are fixedly connected with a supporting spring 20, and the end of the ejection block 19 extending into the side groove 11 is an inclined structure opposite to the top block 17.
[0018] As the technical effect of the scheme is: when needed, the driving plate 5 is lifted up along the adjusting groove 4, so as to drive the vertical column 13 and the extrusion block 14 to rise synchronously, the contact between the extrusion block 14 and the horizontal column 12 will apply pressure to the horizontal column 12 to extrude it inward, the movement of the horizontal column 12 will drive the top block 17 to press on the top end of the ejection block 19, and the ejection block 19 will be forced to press downward finally to extrude the telescopic limiting column 21 from the positioning groove 10, and the door leaf 6 will lose the limiting and be automatically closed by the door closer, because the position of the driving plate 5 is not high, so it is convenient for any adult to drive, and the operation is convenient, which can make the door leaf 6 close faster, improve the safety protection ability and the practicality and convenience of application.
[0019] The top side wall of the door leaf 6 is rotatably connected with a connecting plate 9, the end far away from the door leaf 6 of the connecting plate 9 is rotatably connected with a sliding block 8, the sliding block 8 is slidably connected in the sliding groove 7, the top part of the sliding block 8 and the position opposite to the positioning groove 10 are connected with the telescopic limiting column 21 through the spring, and the telescopic limiting column 21 is inserted in the positioning groove 10 through the spring, and the side edge of the bottom of the lintel 2 is fixedly connected with a baffle 3.
[0020] As the technical effect of the present application is that the gap between the door leaf 6 and the lintel 2 can be sealed after the door leaf 6 is closed, and the smoke can not spread out of the gap, and the top-out block 19 can be automatically reset by the top support spring 20, so that the next insertion and positioning of the telescopic limiting column 21 are not affected.
[0021] Specifically, in use, the door frame 1 is installed in the corresponding door opening, then the conventional door closer is installed, and then the door leaf 6 is pushed away, and the sliding block 8 is pulled to slide along the sliding groove 7 as the door leaf 6 is unfolded, and when the sliding block 8 slides to below the positioning groove 10, the telescopic limiting column 21 is lifted by the spring installed in the sliding block 8 to be inserted into the positioning groove 10 to realize positioning of the door leaf 6, and in an emergency, the actuating plate 5 is only lifted upward to drive the vertical column 13 and the extrusion block 14 to rise synchronously, so that the extrusion block 14 can extrude the horizontal column 12, and the horizontal column 12 is forced to move to drive the top block 17 to press on the top-out block 19, so that the top-out block 19 is lowered to press the telescopic limiting column 21, so that the telescopic limiting column 21 is lifted out of the positioning groove 10, and after losing the limiting, the door leaf 6 is closed under the driving of the door closer, so as to block the flame, and the whole operation is convenient, and the door leaf 6 cannot be closed in time due to the height and the like.
[0022] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.
[0023] Other parts not described in the present application are all prior art, and therefore will not be described here.
[0024] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A stainless steel single-leaf fire door, comprising a door frame (1), characterized in that, The door frame (1) is provided with two pieces. The top of the two door frames (1) is fixedly connected to the lintel (2). One side edge of one of the door frames (1) is rotatably connected to the door leaf (6). The bottom side wall of the lintel (2) is provided with a sliding groove (7). One side wall of the door frame (1) and the lintel (2) is provided with an L-shaped side groove (11). A horizontal column (12) is slidably connected in the horizontal groove of the side groove (11). A top block (17) is fixedly connected to the lower edge of one end of the horizontal column (12). A vertical column (13) is slidably connected in the vertical groove of the side groove (11). An extrusion block (14) is fixedly connected to the side wall of the vertical column (13) opposite to the horizontal column (12).
2. A stainless steel single-leaf fire door as described in claim 1, characterized in that, The bottom end of the vertical column (13) is fixedly connected to a force plate (15), and the bottom side wall of the force plate (15) is fixedly connected to a tension spring (16). The tension spring (16) is fixedly connected to the bottom side wall of the vertical groove of the side groove (11) through one end away from the force plate (15). The top end of the vertical column (13) is internally sleeved with a vertical limiting post, and the limiting post is fixedly connected to the top side wall of the vertical groove of the side groove (11).
3. A stainless steel single-leaf fire door as described in claim 1, characterized in that, The extrusion block (14) has a triangular structure. The horizontal column (12) is set at one end near the extrusion block (14) and has an inclined structure corresponding to the extrusion block (14). A return spring (18) is fixedly connected to the side wall of the horizontal column (12) away from the extrusion block (14). One end of the return spring (18) is fixedly connected to one end of the side wall of the horizontal groove of the side groove (11). The top block (17) has a conical structure. An adjustment groove (4) is opened through one side wall of the door frame (1). The adjustment groove (4) is connected to the vertical groove of the side groove (11). A toggle plate (5) is slidably connected in the adjustment groove (4). One end of the toggle plate (5) located in the side groove (11) is fixedly connected to one side of the force plate (15).
4. A stainless steel single-leaf fire door as described in claim 1, characterized in that, A top block (17) is provided in the middle of the bottom side wall of the lintel (2). A positioning groove (10) is provided through the top side wall of the top block (17). The positioning groove (10) is connected to the transverse groove of the side groove (11). A push-out block (19) is inserted into the positioning groove (10). An annular stop block is fixedly connected to the outer ring wall of the push-out block (19). An annular support plate is fixedly connected to the inner ring wall of the positioning groove (10). A top support spring (20) is fixedly connected between the support plate and the stop block. One end of the push-out block (19) extending into the side groove (11) is an inclined structure opposite to the top block (17).
5. A stainless steel single-leaf fire door as described in claim 1, characterized in that, The top side wall of the door leaf (6) is rotatably connected to a connecting plate (9). The end of the connecting plate (9) away from the door leaf (6) is rotatably connected to a slider (8). The slider (8) is slidably connected in the slide groove (7). The top of the slider (8) and the position opposite to the positioning groove (10) are connected to a telescopic limiting post (21) by a spring. The telescopic limiting post (21) is inserted into the positioning groove (10) by a spring. A baffle (3) is fixedly connected to one side edge of the bottom of the lintel (2).