CN214616216U

CN214616216U - Temperature control smoke-insulation fireproof door

Info

Publication number: CN214616216U
Application number: CN202022997599.4U
Authority: CN
Inventors: 张翼
Original assignee: Wenzhou Shenlong Door Industry Co Ltd
Current assignee: Wenzhou Shenlong Door Industry Co Ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-11-05
Anticipated expiration: 2030-12-12

Abstract

The utility model relates to a control by temperature change separates cigarette and prevents fire door, including door leaf and door frame, be provided with automatic door closer between door leaf and the door frame, the one end that the door leaf corresponds ground is provided with the holding tank, be provided with the cigarette separating plate that is used for separation door leaf and ground clearance in the holding tank, the position that the door leaf corresponds the handle is provided with and holds the chamber, it is provided with and is used for controlling the cigarette separating plate edge to hold the intracavity gliding control assembly about the holding tank, control assembly with handle sliding connection. Through adopting above-mentioned technical scheme, when personnel opened and prevent fire door, separate the cigarette board not with ground direct contact, reduce frictional force, it is more laborsaving to open the door, release the handle, control assembly resets thereupon and drives and separate the cigarette board and move down and break away from the holding tank and meet with ground, increase its smoke protection nature, the cigarette board that separates that the setting control assembly made need not additionally to control, rotate the setting along with the handle, easy operation, convenience, save time for fleing, automatic re-setting simultaneously, avoid personnel to flee and forget and put down the cigarette board, it is safer to use.

Description

Temperature control smoke-insulation fireproof door

Technical Field

The utility model relates to a control by temperature change separates cigarette and prevents fire door.

Background

The fireproof door is a door body which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is divided into a wooden fireproof door, a steel-wood fireproof door and the like according to materials.

The fire prevention inflation sealing strip of current fire prevention timber is meeting the process time of thermal expansion, and the smog that the conflagration produced this moment can only resist flame from the crack diffusion in meeting the crack, prevents that fire door can't completely cut off conflagration and produce smog and dust. Especially, the fireproof door arranged in the fireproof subareas and the evacuation stairways has the functions of preventing fire from spreading and smoke from diffusing besides the function of a common door, can prevent the fire from spreading within a certain time, and ensures the evacuation of people, while in a fire, the evacuation stairways are the most important safety passages, and once the evacuation stairways are filled with smoke, the escape risk is increased, the fireproof expansion sealing strips below the escape fireproof door are tightly attached to the ground after being expanded by heat, the opening resistance of the fireproof door is large, the difficulty of opening the fireproof door into the evacuation stairways by subsequent escape personnel is increased, the evacuation of people is influenced, the evacuation stairways are the most important passages for the escape of people when the fire occurs, and the fireproof and smoke-proof performance of the evacuation stairways is very important.

SUMMERY OF THE UTILITY MODEL

To sum up, for overcoming the not enough of prior art, the utility model provides a control by temperature change separates cigarette and prevents fire door.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a control by temperature change separates cigarette and prevents fire door, includes door leaf and door frame, be provided with automatic door closer between door leaf and the door frame, the one end that the door leaf corresponds ground is provided with the holding tank, be provided with the cigarette board that separates that is used for separation door leaf and ground clearance in the holding tank, the position that the door leaf corresponds the handle is provided with and holds the chamber, it is provided with and is used for controlling to separate the cigarette board and follows to hold the intracavity gliding control assembly from top to bottom, the control assembly with handle sliding connection.

By adopting the technical scheme, when a fire disaster occurs, when a person enters the evacuation stairwell by opening the door leaf, the automatic door closer can automatically close the door leaf to avoid forgetting the person to escape and forget to close the fire door, so that dense smoke enters the evacuation stairwell to influence the life safety of the subsequent escape person, meanwhile, the handle is rotated downwards, the control component drives the smoke baffle to move upwards to enter the accommodating tank, so that when the person opens the fire door, the smoke baffle does not directly contact with the ground, the friction force is reduced, the door opening is more labor-saving, when the person leaves the evacuation stairwell, the handle is released, the control component resets to drive the smoke baffle to move downwards to separate from the accommodating tank to be connected with the ground, the dense smoke is prevented from permeating the evacuation stairwell from the gap between the door leaf and the ground, the smoke resistance of the smoke baffle is improved, the smoke baffle provided with the control component does not need to be additionally controlled, the smoke baffle is rotated along with the handle, and the operation is simple, The novel smoke baffle plate is convenient, saves time for escape, is automatically reset, prevents people from forgetting to put down the smoke baffle plate for escape, and is safer to use.

The utility model discloses further set up: the handles on two sides of the door leaf are connected through the driving shaft, each handle comprises a holding portion and a rotating portion sleeved on the driving shaft, the control assembly comprises a connecting piece connected with the smoke isolating plate and a driving gear sleeved on the driving shaft, a tooth portion matched with the driving gear is arranged on one side, corresponding to the driving shaft, of the connecting piece, and the connecting piece is arranged on the other side, opposite to the holding portion, of the driving shaft.

Through adopting above-mentioned technical scheme, the connecting piece sets up in the drive shaft relatively the opposite side of portion of gripping, when the portion of gripping that holds the handle rotates downwards and opens the door, thereby the portion of rotating drives the drive shaft and rotates and drive gear and rotate, then drive gear drives smoke baffle rebound with the tooth portion cooperation of connecting piece, the handle application of force downwards promptly, drive gear rotates, its opposite side drives the connecting piece rebound, releases the handle, drive gear resets and drives the connecting piece rebound, simple structure, convenient operation is stable.

The utility model discloses further set up: the temperature control mechanism is arranged between the control assembly and the handle and comprises a pushing piece and a temperature control positioning assembly, the pushing piece is used for pushing the driving gear to slide to the position, matched with the connecting piece, along the driving shaft, the temperature control positioning assembly is used for fixing the pushing piece at the initial position, the pushing piece is provided with a through hole matched with the driving shaft, the pushing piece is sleeved on the driving shaft and connected with the driving gear, a groove used for containing a spring is formed in the other side, opposite to the driving gear, of the pushing piece, and the spring is arranged between the groove and the inner wall of the containing cavity.

By adopting the technical scheme, when the temperature is in a normal state, the temperature control positioning assembly enables the pushing piece to be fixed at the initial position, when the temperature rises, the temperature control positioning assembly changes the state, the spring pushes the pushing piece to enable the driving gear to slide to the position matched with the connecting piece along the driving shaft, then the control assembly is in linkage fit with the handle, the operation is simple and labor-saving, and the driving gear can be switched in different states according to the conditions, so that the driving gear is more convenient and practical.

The utility model discloses further set up: the temperature control positioning assembly comprises a positioning piece and a temperature sensing element, wherein clamping portions are arranged at two ends of the positioning piece, one end of the positioning piece is inserted into the accommodating cavity, the clamping portion in the accommodating cavity is abutted to one surface of the driving gear corresponding to the pushing piece, the other end of the positioning piece is arranged outside the door leaf, and the temperature sensing element is arranged between the clamping portion outside the door leaf and the outer wall of the door leaf.

Through adopting above-mentioned technical scheme, it is cracked along with stable rising when the temperature-sensing element, hindrance between setting element and the door leaf outer wall disappears, the recess with hold the spring promotion impeller removal between the intracavity wall, moreover, the steam generator is simple in structure, and is low in cost, whole automatic temperature sensing, need not manual control, it is more convenient safety, and the high temperature component is removable, only need to pull the setting element is manual outwards, put into the outer card portion of door leaf and between the door leaf outer wall with new temperature-sensing element again, can relocate, when the conflagration breaing out, prevent that fire door is not damaged at the floor of starting a fire, only receive high temperature to influence, when the temperature-sensing element is cracked, need not to change whole door leaf, it is simple to change, and convenient, low cost, long service life.

The utility model discloses further set up: the two groups of control assemblies are respectively arranged on two sides of the surface of the door leaf corresponding to the connecting piece, and the two groups of temperature control assemblies are respectively arranged on two sides of the surface of the door leaf corresponding to the control assemblies.

By adopting the technical scheme, the temperature is measured simultaneously on two sides, the temperature measurement is safer, and when the control assembly and the temperature control assembly are only one group, the temperature measurement device is preferably arranged on one side facing the floor.

The utility model discloses further set up: one end of the door leaf corresponding to the ground is provided with a limiting piece for preventing the smoke baffle plate from falling off, one end of the limiting piece corresponding to one surface of the door leaf is provided with a rotating shaft, the door leaf is provided with an installation cavity corresponding to the position of the rotating shaft, when the limiting piece rotates to be vertical to the length direction of the accommodating groove, the limiting piece blocks the accommodating groove, when the limiting piece rotates to be parallel to the length direction of the accommodating groove, the holding tank is not blocked, the rotating shaft is inserted in the mounting cavity and is provided with a torsional spring which drives the limiting piece to rotate to be parallel to the length direction of the holding tank, the other end of the limiting piece opposite to the rotating shaft is a positioning end which is provided with a positioning hole, the door leaf is provided with a mounting seat corresponding to the position of the positioning hole, and a temperature sensing element for limiting the rotation of the limiting part is arranged between the mounting seat and the positioning end.

Through adopting above-mentioned technical scheme, when the temperature rises, the temperature sensing element is cracked, the torsional spring drive the locating part rotate to with holding tank length direction is parallel, separates cigarette board lapse and breaks away from the mounting groove, when the conflagration breaing out, prevent that fire door is not damaged at the floor of firing, only receives the high temperature influence, when the temperature sensing element is cracked, need not to change whole door leaf, only need will separate in the cigarette board pushes back the holding tank, manual rotation locating part, then put into the mount pad again with the temperature sensing element, the adjusting screw is fixed, it is simple to change, and is convenient, with low costs, long service life.

The following describes embodiments of the present invention with reference to the drawings and examples.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of a door leaf according to an embodiment of the present invention;

fig. 3 is a side cross-sectional view of an embodiment of the invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of the portion B of FIG. 3;

fig. 6 is a front cross-sectional view of the embodiment of the present invention

Reference numerals: 1. the door comprises a door leaf, 11 accommodating grooves, 12 accommodating cavities, 13 mounting cavities, 14 mounting seats, 2 door frames, 3 automatic door closers, 4 smoke isolating plates, 5 handles, 51 holding parts, 52 rotating parts, 6 control components, 61 connecting pieces, 611 tooth parts, 62 driving gears, 7 driving shafts, 8 temperature control mechanisms, 81 pushing pieces, 811 through holes, 812 grooves, 82 temperature control positioning components, 821 positioning pieces, 8211 clamping parts, 822 temperature sensing elements, 83 springs, 9 limiting pieces, 91 rotating shafts, 92 positioning ends, 93 positioning holes and 10 torsion springs.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Referring to fig. 1-6, the temperature-control smoke-isolation fireproof door disclosed in this embodiment includes a door leaf 1 and a door frame 2, an automatic door closer 3 is disposed between the door leaf 1 and the door frame 2, an accommodating groove 11 is disposed at an end of the door leaf 1 corresponding to the ground, a smoke-isolation plate 4 for isolating a gap between the door leaf 1 and the ground is disposed in the accommodating groove 11, an accommodating cavity 12 is disposed at a position of the door leaf 1 corresponding to the handle 5, a control assembly 6 for controlling the smoke-isolation plate 4 to slide up and down along the accommodating groove 11 is disposed in the accommodating cavity 12, and the control assembly 6 is slidably connected to the handle 5.

The embodiment further provides that: the handles 5 on two sides of the door leaf 1 are connected through a driving shaft 7, the handles 5 comprise a holding part 51 and a rotating part 52 sleeved on the driving shaft 7, the control assembly 6 comprises a connecting piece 61 connected with the smoke barrier 4 and a driving gear 62 sleeved on the driving shaft 7, one side of the connecting piece 61 corresponding to the driving shaft 7 is provided with a tooth part 611 matched with the driving gear 62, and the connecting piece is arranged on the other side of the driving shaft 7 corresponding to the holding part 51.

The embodiment further provides that: a temperature control mechanism 8 is arranged between the control assembly 6 and the handle 5, the temperature control mechanism 8 includes a pushing member 81 for pushing the driving gear 62 to slide along the driving shaft 7 to be matched with the connecting member 61 and a temperature control positioning assembly 82 for fixing the pushing member 81 at an initial position, the pushing member 81 is provided with a through hole 811 matched with the driving shaft 7, the pushing member 81 is sleeved on the driving shaft 7 and connected with the driving gear 62, a groove 812 for accommodating a spring 83 is arranged on the other surface of the pushing member 81 opposite to the driving gear 62, and the spring 83 is arranged between the groove 812 and the inner wall of the accommodating cavity 12.

The embodiment further provides that: the temperature control positioning assembly 82 comprises a positioning member 821 and a temperature sensing element 822, wherein two ends of the positioning member 821 are provided with clamping portions 8211, one end of the positioning member 821 is inserted into the accommodating cavity 12, the clamping portion 8211 in the accommodating cavity 12 is opposite to one surface of the driving gear 62 corresponding to the pushing member 81, the other end of the clamping portion 8211 is abutted to the outside of the door leaf 1, and the temperature sensing element 822 is arranged between the clamping portion 8211 outside the door leaf 1 and the outer wall of the door leaf 1.

The embodiment further provides that: the two groups of control assemblies 6 are respectively arranged on two sides of the surface of the door leaf 1 corresponding to the connecting piece 61, and the two groups of temperature control assemblies are respectively arranged on two sides of the surface of the door leaf 1 corresponding to the two groups of control assemblies 6.

The embodiment further provides that: the end of the door leaf 1 corresponding to the ground is provided with a limiting member 9 for blocking the smoke barrier 4 from falling off, one end of the limiting member 9 corresponding to one side of the door leaf 1 is provided with a rotating shaft 91, the position of the door leaf 1 corresponding to the rotating shaft 91 is provided with an installation cavity 13, when the limiting member 9 rotates to be perpendicular to the length direction of the accommodating tank 11, the limiting member 9 blocks the accommodating tank 11, when the limiting member 9 rotates to be parallel to the length direction of the accommodating tank 11, the accommodating tank 11 is not blocked, the rotating shaft 91 is inserted into the installation cavity 13 and is provided with a torsion spring 10 for driving the limiting member 9 to rotate to be parallel to the length direction of the accommodating tank 11, the other end of the limiting member 9 corresponding to the rotating shaft 91 is a positioning end 92, the positioning end 92 is provided with a positioning hole 93, and the position of the door leaf 1 corresponding to the positioning hole 93 is provided with an installation seat 14, a temperature sensing element 822 for limiting the rotation of the limiting member 9 is disposed between the mounting seat 14 and the positioning end 92.

The above-mentioned "between" does not only mean between orientations and positions, but also means between the interactions of different parts.

Although terms such as the door leaf 1, the accommodating groove 11, the accommodating cavity 12, the mounting cavity 13, the mounting seat 14, the door frame 2, the automatic door closer 3, the smoke barrier 4, the handle 5, the holding portion 51, the rotating portion 52, the control assembly 6, the connecting member 61, the tooth portion 611, the driving gear 62, the driving shaft 7, the temperature control mechanism 8, the pushing member 81, the through hole 811, the groove 812, the temperature control positioning assembly 82, the positioning member 821, the clamping portion 8211, the temperature sensing element 822, the spring 83, the limiting member 9, the rotating shaft 91, the positioning end 92, the positioning hole 93, and the torsion spring 10 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a control by temperature change separates cigarette and prevents fire door, includes door leaf and door frame, be provided with automatic door closer, its characterized in that between door leaf and the door frame: the door leaf is provided with the holding tank corresponding to the one end on ground, be provided with the cigarette partition plate that is used for separating door leaf and ground clearance in the holding tank, the position that the door leaf corresponds the handle is provided with holds the chamber, it is provided with and is used for controlling the cigarette partition plate edge to hold the gliding control assembly from top to bottom of holding tank to hold the intracavity, the control assembly with handle sliding connection.

2. A temperature controlled smoke proof fire door as defined in claim 1 further characterized by: the handles on two sides of the door leaf are connected through the driving shaft, each handle comprises a holding portion and a rotating portion sleeved on the driving shaft, the control assembly comprises a connecting piece connected with the smoke baffle and a driving gear sleeved on the driving shaft, a tooth portion matched with the driving gear is arranged on one side, corresponding to the driving shaft, of the connecting piece, and the connecting piece is arranged on the other side, opposite to the holding portion, of the driving shaft.

3. A temperature controlled smoke proof fire door as defined in claim 2 further comprising: the temperature control mechanism is arranged between the control assembly and the handle and comprises a pushing piece and a temperature control positioning assembly, the pushing piece is used for pushing the driving gear to slide to the position, matched with the connecting piece, along the driving shaft, the temperature control positioning assembly is used for fixing the pushing piece at the initial position, the pushing piece is provided with a through hole matched with the driving shaft, the pushing piece is sleeved on the driving shaft and connected with the driving gear, a groove used for containing a spring is formed in the other side, opposite to the driving gear, of the pushing piece, and the spring is arranged between the groove and the inner wall of the containing cavity.

4. A temperature controlled smoke proof fire door as defined in claim 3 further characterized by: the temperature control positioning assembly comprises a positioning piece and a temperature sensing element, wherein clamping portions are arranged at two ends of the positioning piece, one end of the positioning piece is inserted into the accommodating cavity, the clamping portion in the accommodating cavity is abutted to one surface of the driving gear corresponding to the pushing piece, the other end of the positioning piece is arranged outside the door leaf, and the temperature sensing element is arranged between the clamping portion outside the door leaf and the outer wall of the door leaf.

5. A temperature controlled smoke proof fire door as defined in claim 3 further characterized by: the two groups of control assemblies are respectively arranged on two sides of the surface of the door leaf corresponding to the connecting piece, and the two groups of temperature control positioning assemblies are respectively arranged on two sides of the surface of the door leaf corresponding to the control assemblies.

6. A temperature controlled smoke proof fire door as defined in claim 1 further characterized by: one end of the door leaf corresponding to the ground is provided with a limiting piece for preventing the smoke baffle plate from falling off, one end of the limiting piece corresponding to one surface of the door leaf is provided with a rotating shaft, the door leaf is provided with an installation cavity corresponding to the position of the rotating shaft, when the limiting piece rotates to be vertical to the length direction of the accommodating groove, the limiting piece blocks the accommodating groove, when the limiting piece rotates to be parallel to the length direction of the accommodating groove, the holding tank is not blocked, the rotating shaft is inserted in the mounting cavity and is provided with a torsional spring which drives the limiting piece to rotate to be parallel to the length direction of the holding tank, the other end of the limiting piece opposite to the rotating shaft is a positioning end which is provided with a positioning hole, the door leaf is provided with a mounting seat corresponding to the position of the positioning hole, and a temperature sensing element for limiting the rotation of the limiting part is arranged between the mounting seat and the positioning end.