CN206625759U - A kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function - Google Patents

Abstract

The utility model provides a kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function, and doorframe passes through axle bed under door and the built-in automatic door-closing fire resistant doorsets axis connection in door leaf lower end；The body of built-in automatic door-closing fire prevention door-hinge is connected by the way that bearing and lower axle are dynamic；Lower axle is fixedly connected with the Rectangular Spring axle of Rectangular Spring, and the spring dynamics of Rectangular Spring is adjusted by spring pedestal；Regulating rod coordinates with valve seat for bullet, for throttle grverning；Jump ring is fixed on adjustment axis one end, plays position-limiting action；Speed adjusting plate driving adjustment axis rotation is stirred, drives adjustment screw and regulating rod translation to change regulating rod and valve seat gap；Rotate the position that lower axle drives Rectangular Spring axle and cylinder assembly rotation makes piston screw translation change tapered shaft；Damping graphite powder is provided with inside cylinder assembly；Using built-in automatic door-closing fire prevention door axle structure, door leaf can realize the multi-angle bidirectional openings such as 90 °, door leaf after unlatching is located at a plane with wall, escape space is also just bigger, meet fire when, can also automatic quick closedown, completely cut off burning things which may cause a fire disaster, personnel can push fire resistant doorsets open from opposite side and carry out fast-escape, avoid personnel crowded and cause injures and deaths.

Description

A kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function

Technical field：

The utility model provides a kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function, suitable for market, hospital, There is the fire escape of fire protection requirement the public places such as civil buildings, belong to window technology field for building.

Background technology：

Doorframe, the door leaf of existing fire resistant doorsets are square right-angle structure, door leaf and the exposed bright dress hinge hinge of doorframe, are Hinge hinge is disposed, door leaf is provided with hinge hinge mounting hole with doorframe correspondence position, and it is very long that outside installs a set of or two sets of tyres additional The bright dress door closer of rod member, door closer is exposed outside, is opened to be unidirectional, although can meet needs of preventing fires substantially, influences door Opening angle and attractive in appearance is fanned, and its safety, fire protecting performance are poor, particularly the perishable deformed damaged of hinge hinge, door closer is often Generation rod member is come off, or is artificially disassembled, and door-plate is pulled off damage, fire resistant doorsets fire-proof function is failed, or even occur Unexpected casualty accident, cause to be difficult to the consequence expected.

The content of the invention

The utility model provides a kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function, using built-in automatic pass Door fire prevention door axle structure, door leaf can be only bigger by space to be located at a plane with wall after 90 ° or 180 ° of bidirectional opening, Solve the limitation in architectural design scope, save space, it is more both artistic and practical.

A kind of safety automation shutdown bidirectional opening fire resistant doorsets described in the utility model, including doorframe and door leaf, in doorframe It is respectively equipped with door axle bed under axle and door on the inside of upper/lower terminal, door leaf axle sleeve is inlaid with axle on door；Doorframe passes through door leaf axle sleeve With door leaf axis connection；The lower axle axis connection that doorframe passes through the built-in automatic door-closing fire prevention door-hinge of axle bed under door and door leaf lower end；Its In, in described built-in automatic door-closing fire prevention door-hinge, body is connected by the way that bearing and lower axle are dynamic；Lower axle and rectangle bullet The Rectangular Spring axle of spring is fixedly connected, and Rectangular Spring is fixed on spring pedestal, and the bullet of Rectangular Spring is adjusted by spring pedestal Spring force degree, shell is fixed on after adjustment with bearing pin；Speed adjusting plate is fixed in adjustment axis by adjusting washer, screw；Adjustment axis is with adjusting Whole screw is screw-driven, and the adjustment screw other end is provided with regulating rod, and adjustment screw is to be rigidly connected with regulating rod；Regulating rod with Valve seat coordinates for bullet, for throttle grverning；Jump ring is fixed on adjustment axis one end, plays position-limiting action；Adjustment axis is provided with O-shaped Circle and circular washer pressing plate；Stir speed adjusting plate driving adjustment axis rotation, drive adjustment screw and regulating rod translation change regulating rod with Valve seat gap；It is enclosed on outside piston screw on tapered shaft, can translate to rotate；Piston screw and cylinder assembly connect for screw thread Connect；Rotate the position that lower axle drives Rectangular Spring axle and cylinder assembly rotation makes piston screw translation change tapered shaft；Cylinder is total Damping graphite powder is provided with into the inside；Guard circle, adjustment axis, overcoat tapered shaft, tapered shaft are fixed by a pin on shell, taper Axle lower end is provided with thrust bearing, and thrust bearing lower end is provided with cylinder cover, pin, jump ring, cylinder assembly, and thrust bearing bears lower axle Load.

Good effect of the present utility model is：

Using built-in automatic door-closing fire prevention door axle structure, door leaf can realize the multi-angle bidirectional openings such as 90 ° or 180 °, Door leaf after unlatching is located at a plane with wall, only bigger by space, solves the limitation in architectural design scope, saves empty Between, it is more both artistic and practical；Escape space is also just bigger, when meeting fire, can also automatic quick closedown, completely cut off burning things which may cause a fire disaster, and work as side When fire occurs for generation, personnel can push fire resistant doorsets open from opposite side and carry out fast-escape, avoid personnel crowded and cause injures and deaths.

Brief description of the drawings

Fig. 1 is that the utility model uses a kind of plan of embodiment；

Fig. 2 is the utility model using the A-A sectional views in a kind of plan 1 of embodiment

Fig. 3 is the utility model using the B-B sectional views in a kind of plan 1 of embodiment

Fig. 4 is the utility model using the C-C sectional views in a kind of plan 1 of embodiment

Fig. 5 is 90 ° of bidirectional opening schematic diagrames of the utility model；

Fig. 6 is the utility model axle bed schematic diagram；

Fig. 7 is axle schematic diagram on the utility model；

Fig. 8 is new built-in automatic door-closing fire prevention a kind of front view of embodiment of door-hinge that the utility model uses；

Fig. 9 is new built-in automatic door-closing fire prevention a kind of side view of embodiment of door-hinge that the utility model uses；

Figure 10 is a kind of the positive and anti-of new built-in automatic door-closing fire prevention embodiment of door-hinge that the utility model uses The partial view in face；

Figure 11 is the utility model doorframe structure form one；

Figure 12 is the utility model doorframe structure form two；

In figure, 1 axle bed, 2 built-in automatic door-closings fire prevention door-hinges, 3 doorframes, 4 push-rod locks, 5 door leafs, 6 door leaf axle sleeves, 7 Upper axle, 8 fireproof expansion seal parts, 9 fireproof expansion seal parts, 10 fireproof expansion seal parts；It is body 201, Rectangular Spring 202, outer Shell 203, spring pedestal 204, bearing pin 205, cylinder assembly 206, piston screw 207, valve seat 208, regulating rod 209, O-ring 2010th, guard circle 2011, graphite powder 2012, adjustment screw 2013, jump ring 2014, pin 2015, cylinder cover 2016, circular washer pressure Plate 2017, thrust bearing 2018, tapered shaft 2019, the jump ring 2021 of pin 2020, adjusting washer 2022, speed adjusting plate 2023, regulation Axle 2024, O-ring 2025, O-ring 2026, bearing 2027, O-ring 2028, pin 2029, lower axle 2030, Rectangular Spring axle 2031st, prevent pulling out back-up ring 2032, packing ring 2033, screw 2034.

Embodiment

The utility model is further illustrated below in conjunction with the accompanying drawings：

As shown in Fig. 1 ~ Fig. 7, the utility model mainly includes doorframe 3 and two door leafs 5, on the inside of the upper/lower terminal of doorframe 3 It is respectively equipped with door axle bed 1 under axle 7 and door, door leaf axle sleeve 6 is inlaid with axle 7 on door；The periphery of doorframe 3 is provided with fire prevention Expansion sealing Part 8, fireproof expansion seal part 9, fireproof expansion seal part 10；Doorframe 3 passes through door leaf axle sleeve 6 and the axis connection of door leaf 5；Doorframe 3 is logical The axis connection of lower axle 2030 of lower axle bed 1 of moving into one's husband's household upon marriage automatic door-closing fire prevention door-hinge 2 built-in with the lower end of door leaf 5；Doorframe 3 and door leaf 5 it Between seal clearance in 14mm, can around built-in automatic door-closing prevent fires door-hinge 2 rotate freely；Push-rod lock 4 is additionally provided with door leaf 5；

Wherein, described built-in automatic door-closing fire prevention door-hinge（Shown in reference picture 8-10）, including power regulation, speed regulation And bear axial load three parts composition：

Power is adjusted：The bearing set 2027 of body 201, bearing 2027 are cooperation with lower axle 2030, and lower axle 2030 uses pin 2029 are connected in one with Rectangular Spring axle 2031, and the bottom of Rectangular Spring axle 2031 is connected in one, Rectangular Spring with Rectangular Spring 202 202 other end spring pedestals 204 connect together, and spring pedestal 204 is for adjusting spring dynamics, bearing pin being used after adjustment 205 are fixed on shell 203；

Speed is adjusted：Speed adjusting plate 2023 with it is anti-pull out back-up ring 2032, screw 2034 is fixed on adjustment axis 2024, adjustment axis 2024 It is the position of 2021 secured adjusted axle of screw-driven jump ring 2024 with adjustment screw 2013, with the fixed adjustment packing ring 2022 of screw 2034 With speed adjusting plate 2023, adjustment screw 2013 and regulating rod 209 is driven to reach with changing the gap of valve seat 208 when manually stirring Throttle grverning purpose, piston screw 207 be it is outer be enclosed on tapered shaft 2019 can only translate can not rotate, piston screw 207 and cylinder Assembly 206 is threaded connection, and when lower axle 2030 rotates, lower axle 2030 drives cylinder assembly 206 to revolve by Rectangular Spring axle 2031 Turn to make the translation of piston screw 207 change the volume of graphite powder 2012, change valve seat 208 is realized speed governing purpose under acting on；

Bear axial load：The overcoat tapered shaft 2019 of 2011 adjustment axis of guard circle 2024, the pin 2020 of tapered shaft 2019 It is fixed on shell 203, the lower end of tapered shaft 2019 is provided with thrust bearing 2018, and the lower end of thrust bearing 2018 is provided with cylinder cover 2016th, pin 2015, the cylinder assembly 206 of jump ring 2014, thrust bearing 2018 bear the load of lower axle 2030.

Other sealings and protection device：The anti-back-up ring 2032 that pulls out is for preventing from entering dust and protecting O-ring 2028 and axle Hold 2027 effect and be additionally provided with sealing device by O-ring 2010, circular washer pressing plate 2017, O-ring 2025, O-ring 2028, guarantor Guard ring 2011.

Such a assembled scheme, the intensity of whole door body can be not only improved, aesthetics, greatly improves sealing, fire line, pacified Dress is convenient, shortens the duration, cost-effective, and particularly components hide sets and is unlikely to deform, and without any potential safety hazard, can carry significantly The fire protecting performance of high fire resistant doorsets.

Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence In the case of, those skilled in the art work as can make various corresponding changes and deformation according to the utility model, but these Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.

Claims (1)

1. a kind of fire resistant doorsets of the bidirectional opening with automatic door-closing function, including doorframe and door leaf, in doorframe upper/lower terminal Side is respectively equipped with door axle bed under axle and door, and door leaf axle sleeve is inlaid with axle on door；Doorframe is connected by door leaf axle sleeve and door leaf axle Connect；The lower axle axis connection that doorframe passes through the built-in automatic door-closing fire prevention door-hinge of axle bed under door and door leaf lower end；It is characterized in that：

In described built-in automatic door-closing fire prevention door-hinge, body is connected by the way that bearing and lower axle are dynamic；Lower axle and rectangle The Rectangular Spring axle of spring is fixedly connected, and Rectangular Spring is fixed on spring pedestal, and Rectangular Spring is adjusted by spring pedestal Spring dynamics, shell is fixed on after adjustment with bearing pin；Speed adjusting plate is fixed in adjustment axis by adjusting washer, screw；Adjustment axis with Adjustment screw is screw-driven, and the adjustment screw other end is provided with regulating rod, and adjustment screw is to be rigidly connected with regulating rod；Regulating rod Coordinate with valve seat for bullet, for throttle grverning；Jump ring is fixed on adjustment axis one end, plays position-limiting action；Adjustment axis is provided with O Type circle and circular washer pressing plate；Speed adjusting plate driving adjustment axis rotation is stirred, drives adjustment screw and regulating rod translation to change regulating rod With valve seat gap；It is enclosed on outside piston screw on tapered shaft, can translate to rotate；Piston screw and cylinder assembly connect for screw thread Connect；Rotate the position that lower axle drives Rectangular Spring axle and cylinder assembly rotation makes piston screw translation change tapered shaft；Cylinder is total Damping graphite powder is provided with into the inside；Guard circle, adjustment axis, overcoat tapered shaft, tapered shaft are fixed by a pin on shell, taper Axle lower end is provided with thrust bearing, and thrust bearing lower end is provided with cylinder cover, pin, jump ring, cylinder assembly, and thrust bearing bears lower axle Load.