阅读说明：本技术 防火门窗用打开停定结构 (Opening and stopping structure for fireproof door and window ) 是由 张冬林 陈伟鸿 黄小勇 于 2019-08-20 设计创作，主要内容包括：本发明涉及一种防火门窗用打开停定结构,其包括温控解锁装置、滑块和滑槽,滑块滑动设置在滑槽上,温控解锁装置包括固定块、弹性件、温控形变件、顶触件和停定钩,固定块固定设置在滑槽上,停定钩的一端转动设置在固定块上,停定钩的另一端伸出固定块外、并设有用于与滑块扣接的钩体,温控形变件的一端通过弹性件与固定块连接,温控形变件的另一端通过顶触件与停定钩的一端抵触,顶触件滑动设置在固定块上。本发明的停定钩在弹性件、温控形变件和顶触件的作用下具有偏转的趋势,停定钩与滑块触碰时可以扣住滑块,若环境温度高于温控形变件的形变温度时,温控形变件变形而使得停定钩没有作用力而不能扣住滑块,其工作可靠。(The invention relates to an opening and stopping structure for a fireproof door window, which comprises a temperature control unlocking device, a sliding block and a sliding chute, wherein the sliding block is arranged on the sliding chute in a sliding manner, the temperature control unlocking device comprises a fixed block, an elastic part, a temperature control deformation part, a top contact part and a stopping hook, the fixed block is fixedly arranged on the sliding chute, one end of the stopping hook is rotatably arranged on the fixed block, the other end of the stopping hook extends out of the fixed block and is provided with a hook body used for being buckled with the sliding block, one end of the temperature control deformation part is connected with the fixed block through the elastic part, the other end of the temperature control deformation part is abutted against one end of the stopping hook through the top contact part, and the top. The stop hook has the tendency of deflection under the action of the elastic piece, the temperature control deformation piece and the top contact piece, the stop hook can buckle the sliding block when being contacted with the sliding block, and if the environmental temperature is higher than the deformation temperature of the temperature control deformation piece, the temperature control deformation piece deforms to enable the stop hook to have no acting force and not to buckle the sliding block, so that the stop hook is reliable in work.)

1. The utility model provides a fire prevention door and window is with opening and stop fixed knot structure, includes control by temperature change unlocking device (10), slider (30) and spout (20), and slider (30) slide to set up on spout (20), its characterized in that: temperature control unlocking device (10) are including fixed block (1), the elastic component, control by temperature change deformation, push up the touch piece and stop fixed hook (8), fixed block (1) is fixed to be set up on spout (20), the one end rotation that stops fixed hook (8) sets up on fixed block (1), the other end that stops fixed hook (8) stretches out outside fixed block (1), and be equipped with hook body (82) that are used for with slider (30) lock joint, the one end of control by temperature change deformation is passed through the elastic component and is connected with fixed block (1), the other end of control by temperature change deformation is contradicted through the one end that pushes up touch piece and stop fixed hook (8), push up touch the slip setting on fixed block (1).

2. The opening and stopping structure for fire-resistant doors and windows according to claim 1, characterized in that: the two stopping hooks (8) are arranged, the two stopping hooks (8) are respectively rotatably arranged on the fixed block (1) and distributed in the left and right directions, inner guide inclined planes (81) are respectively arranged on the inner sides of one ends of the two stopping hooks (8), the top contact piece is abutted against the two inner guide inclined planes (81), and the hook bodies (82) are arranged at the other ends of the two stopping hooks (8); one end of the sliding block (30) facing the stop hook (8) is provided with a concave cavity (91), and the left side and the right side of the concave cavity (91) are respectively provided with a buckling position buckled with the hook body (82).

3. The opening and stopping structure for fire-resistant doors and windows according to claim 2, characterized in that: the outer side of the hook body (82) is provided with an outer guide inclined surface (83), the buckling position is a steel pin (92), the steel pin (92) is vertically arranged, and the hook body (82) is buckled with the outer peripheral surface of the steel pin (92).

4. The opening and stopping structure for fire-resistant doors and windows according to claim 1, characterized in that: the push contact piece comprises a push rod (5) and a steel ball (6), the push rod (5) is arranged on the fixing block (1) in a sliding mode, one end of the push rod (5) abuts against the temperature control deformation piece, the other end of the push rod (5) abuts against the steel ball (6), and the steel ball (6) abuts against one end of the stop hook (8).

5. The opening and stopping structure for fire doors and windows according to claim 4, wherein: and a first positioning groove (51) and a second positioning groove (52) are formed in the two ends of the push rod (5) respectively corresponding to the temperature control deformation piece and the steel ball (6).

6. The opening and stopping structure for fire-resistant doors and windows according to claim 2, characterized in that: the fixed block (1) is provided with a through hole (11) penetrating through the front end and the rear end of the fixed block, the top contact piece, the temperature control deformation piece and the elastic piece are sequentially arranged in the through hole (11), the through hole (11) is further internally provided with a plug head (2), and the elastic piece abuts against the plug head (2).

7. The opening and stopping structure for fire-resistant doors and windows according to claim 6, characterized in that: the inner wall of the through hole (11) is provided with an internal thread (12) corresponding to the plug head (2), the plug head (2) is provided with an external thread, the plug head (2) is in thread fit with the through hole (11), and the plug head (2) is provided with an adjusting hole (21).

8. The opening and stopping structure for fire-resistant doors and windows according to claim 6, characterized in that: the temperature control deformation piece is a temperature-sensitive glass ball (4), and a window (13) is arranged at the bottom of the through hole (11) corresponding to the installation position of the temperature-sensitive glass ball (4); the elastic piece is compression spring (3), stopper (2) correspond compression spring (3) and are equipped with third constant head tank (22), and the one end of compression spring (3) is inserted in third constant head tank (22).

9. The opening and stopping structure for fire-resistant doors and windows according to claim 6, characterized in that: one end of the stop hook (8) is positioned in the through hole (11), the other end of the stop hook (8) extends out of the through hole (11), a pin shaft (7) is vertically arranged in the through hole (11), and one end of the stop hook (8) is sleeved outside the pin shaft (7) and is in running fit with the pin shaft (7).

10. The opening and stopping structure for fire-resistant doors and windows according to claim 1, characterized in that: the sliding block (30) is hinged with one end of a connecting rod (50), and the other end of the connecting rod (50) is connected with the door closer (40).

Technical Field

The invention relates to a fireproof door and window accessory, in particular to an opening and stopping structure for a fireproof door and window.

Background

Chinese patent document No. CN107724838A discloses, in 2018, 2.23.a sliding groove type automatic window closer, which includes a main body, a positioning seat, and a rocker arm having two ends pivotally connected to the main body and the positioning seat respectively. The device body comprises a sliding groove, a locking mechanism arranged in the sliding groove and used for locking the rocker arm and the device body relatively, and an unlocking mechanism used for driving the rocker arm to close the window in a sliding mode relative to the device body. The unlocking mechanism comprises a positioning frame arranged on the sliding chute, an unlocking frame which can be movably connected with the positioning frame and extends along the length direction of the sliding chute, an elastic piece and a temperature-sensitive glass ball. When a fire disaster occurs, the temperature-sensitive glass ball is exploded along with the rise of indoor temperature, and the elastic piece recovers to deform to push the unlocking frame to the locking mechanism and unlock the locking mechanism. The locking mechanism and the unlocking mechanism are separately arranged in the structure, and the length of the locking mechanism is large, so that the locking mechanism is not beneficial to the use of a window body with narrow width. Moreover, the unlocking mechanism has a complex structure and higher cost. In addition, the temperature-sensing glass ball with the structure can be installed only by overcoming the acting force of the elastic part, the installation difficulty is high, and the temperature-sensing glass ball is easy to burst.

Disclosure of Invention

The invention aims to provide an opening and stopping structure for a fireproof door and window, which is simple and reasonable in structure and reliable in operation.

The purpose of the invention is realized as follows:

the utility model provides a fire prevention door and window is with opening and stopping structure, includes control by temperature change unlocking device, slider and spout, and the slider slides and sets up on the spout, its characterized in that: the temperature control unlocking device comprises a fixed block, an elastic part, a temperature control deformation part, a top contact part and a stop hook, wherein the fixed block is fixedly arranged on the sliding chute, one end of the stop hook is rotatably arranged on the fixed block, the other end of the stop hook extends out of the fixed block and is provided with a hook body used for being fastened with the sliding block, one end of the temperature control deformation part is connected with the fixed block through the elastic part, the other end of the temperature control deformation part is abutted against one end of the stop hook through the top contact part, and the top contact part is slidably arranged on the fixed block.

The aim of the invention can also be solved by the following technical measures:

as a more specific scheme, two stopping hooks are arranged, the two stopping hooks are respectively rotatably arranged on the fixed block and distributed on the left and right, inner guide inclined planes are respectively arranged on the inner sides of one ends of the two stopping hooks, the pushing element is abutted against the two inner guide inclined planes, and the hook body is arranged at the other ends of the two stopping hooks; the slider is equipped with the cavity towards the one end of stopping the hook, and the cavity left and right sides is equipped with the knot position with hook body lock joint respectively.

As a further scheme, an outer guide inclined plane is arranged on the outer side of the hook body, the buckling position is a steel pin, the steel pin is vertically arranged, and the hook body is buckled with the outer peripheral surface of the steel pin.

As a further scheme, the jacking part comprises a push rod and a steel ball, the push rod is arranged on the fixed block in a sliding mode, one end of the push rod abuts against the temperature control deformation part, the other end of the push rod abuts against the steel ball, and the steel ball abuts against one end of the stopping hook. The steel balls are round and smooth and cannot be blocked.

As a further scheme, a first positioning groove and a second positioning groove are formed in the two ends of the push rod respectively corresponding to the temperature control deformation piece and the steel ball.

As a further scheme, the fixing block is provided with through holes penetrating through the front end and the rear end of the fixing block, the pushing component, the temperature control deformation component and the elastic component are sequentially arranged in the through holes, plug heads are further arranged in the through holes, and the elastic component abuts against the plug heads.

As a further scheme, the inner wall of the through hole is provided with internal threads corresponding to the plug head, the plug head is provided with external threads, the plug head is in threaded fit with the through hole, and the plug head is provided with an adjusting hole. The acting force of a compression spring of the temperature control unlocking device can be adjusted by screwing the plug head so as to change the stopping force of the door body (or the window sash).

As a further scheme, the temperature control deformation piece is a temperature-sensitive glass ball, and a window is arranged at the bottom of the through hole corresponding to the installation position of the temperature-sensitive glass ball; the elastic piece is a compression spring, the plug head is provided with a third positioning groove corresponding to the compression spring, and one end of the compression spring is inserted into the third positioning groove.

As a further scheme, one end of the stop hook is positioned in the through hole, the other end of the stop hook extends out of the through hole, a pin shaft is vertically arranged in the through hole, and one end of the stop hook is sleeved outside the pin shaft and is in running fit with the pin shaft.

As a further scheme, the sliding block is hinged with one end of a connecting rod, and the other end of the connecting rod is connected with the door closer.

The invention has the following beneficial effects:

(1) the stop hook of the opening stop structure for the fireproof door and window has a deflection trend under the action of the elastic piece, the temperature control deformation piece and the top contact piece, the stop hook can buckle the sliding block when being contacted with the sliding block, and if the environmental temperature is higher than the deformation temperature of the temperature control deformation piece, the temperature control deformation piece deforms to enable the stop hook to have no acting force and cannot buckle the sliding block, so that the operation is reliable;

(2) the opening and stopping structure for the fireproof door and window is provided with two stopping hooks, and the buckling directions of the two stopping hooks and the sliding block are opposite to each other, so that stable door opening and stopping acting force is formed;

(3) this kind of fire prevention door and window is with opening in the through-hole of the fixed block of packing into in proper order of touching piece, control by temperature change deformation and the elastic component of stopping the structure, at last through the chock plug with the through-hole end plug up can, the installation need not to overcome the elastic component effort in advance, the installation is more simple and convenient, moreover, difficult control by temperature change deformation damage in the installation that leads to.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic sectional view (partially not cut) of the structure of fig. 1 a-a.

Fig. 3 is a schematic view of the structure of fig. 2 at a section B-B (partially not cut).

Fig. 4 is a schematic view of a structure before the temperature control unlocking device and the slider are buckled.

Fig. 5 is a schematic structural view of the temperature controlled unlocking device and the slider when they are fastened together.

Fig. 6 is a schematic structural view of the temperature-sensitive glass ball of the temperature-controlled unlocking device of the present invention when the temperature-sensitive glass ball is separated from the slider after bursting.

Detailed Description

The invention is further described with reference to the following figures and examples:

referring to fig. 1 to 4, the opening and stopping structure for the fireproof door and window comprises a temperature control unlocking device 10, a sliding block 30 and a sliding chute 20, wherein the sliding chute 20 is provided with a chute body 201 along the axis direction of the sliding chute 20, the sliding block 30 is arranged in the chute body 201 of the sliding chute 20 in a sliding manner, the temperature control unlocking device 10 comprises a fixed block 1, a compression spring 3, a temperature-sensitive glass ball 4, a pushing component and a stopping hook 8, the fixed block 1 is fixedly arranged in the chute body 201 of the sliding chute 20, one end of the stopping hook 8 is rotatably arranged on the fixed block 1, the other end of the stopping hook 8 extends out of the fixed block 1 and is provided with a hook body 82 used for being buckled with the sliding block 30, one end of the temperature-sensitive glass ball 4 is connected with the fixed block 1 through the compression spring 3, the other end of the temperature-sensitive glass ball 4 is abutted against one end of the stopping.

The number of the stop hook 8 is two, the two stop hooks 8 are respectively rotatably arranged on the fixed block 1 and distributed left and right, the inner sides of one ends of the two stop hooks 8 are respectively provided with an inner guide inclined plane 81, the pushing contact part is abutted against the two inner guide inclined planes 81, the other ends of the two stop hooks 8 are provided with the hook body 82, and the outer side of the hook body 82 is provided with an outer guide inclined plane 83; the slider 30 includes sliding block 9 and steel round pin 92, and sliding block 9 and the cell body 201 sliding fit of spout 20, sliding block 9 are equipped with cavity 91 towards the one end of stopping hook 8, and the cavity 91 left and right sides is vertical respectively to be equipped with steel round pin 92, steel round pin 92 form detains the position, and hook 82 and the outer peripheral face lock joint of steel round pin 92.

The fixed block 1 is provided with through holes 11 penetrating through the front end and the rear end of the fixed block, the ejecting component, the temperature-sensitive glass ball 4 and the compression spring 3 are sequentially arranged in the through holes 11, the plug head 2 is further arranged in the through holes 11, and the compression spring 3 abuts against the plug head 2.

The inner wall of the through hole 11 is provided with an internal thread 12 corresponding to the plug head 2, the plug head 2 is provided with an external thread, the plug head 2 is in threaded fit with the through hole 11, and the plug head 2 is provided with an adjusting hole 21.

One end of the stop hook 8 is positioned in the through hole 11, the other end of the stop hook 8 extends out of the through hole 11, the pin shaft 7 is vertically arranged in the through hole 11, and one end of the stop hook 8 is sleeved outside the pin shaft 7 and is in running fit with the pin shaft 7.

The bottom of the sliding block 9 is provided with a connecting rod connecting hole 93, the connecting rod connecting hole 93 is hinged with one end of the connecting rod 50 through a connecting piece, and the other end of the connecting rod 50 is connected with the door closer 40. The bottom of the groove body 201 of the sliding groove 20 is open, and the top of the sliding groove 20 is provided with a plurality of mounting holes 202.

The top touch piece comprises a push rod 5 and a steel ball 6, the push rod 5 is arranged on the fixing block 1 in a sliding mode, one end of the push rod 5 abuts against the temperature-sensitive glass ball 4, the other end of the push rod 5 abuts against the steel ball 6, and the steel ball 6 abuts against one end of the stop hook 8.

Two ends of the push rod 5 are respectively provided with a first positioning groove 51 and a second positioning groove 52 corresponding to the temperature-sensitive glass ball 4 and the steel ball 6.

A window 13 is arranged at the bottom of the through hole 11 corresponding to the installation position of the temperature-sensitive glass ball 4; the plug 2 is provided with a third positioning slot 22 corresponding to the compression spring 3, and one end of the compression spring 3 is inserted into the third positioning slot 22.

The through hole 11 is also provided with abdicating holes 14 corresponding to the left and right sides of the temperature-sensitive glass ball 4. When the temperature-sensitive glass ball 4 is exploded, the remains of the temperature-sensitive glass ball can fall into the abdicating hole 14, and the temperature-sensitive glass ball is prevented from being clamped between the push rod 5 and the compression spring 3, so that the stop hook 8 cannot lose the acting force of the compression spring 3 and cannot be unhooked from the sliding block 30.

The working principle is that the door closer 40 and the chute 20 are respectively arranged on a door body (or a window sash) and a door frame (or a window frame); when the door body (or the window sash) is opened, the sliding block 30 slides towards the direction of the temperature control unlocking device 10 (see arrow F in fig. 4), when a steel pin 92 of the sliding block 30 contacts with an outer guide inclined plane 83 of a hook body 82, two stop hooks 8 are relatively drawn together and swing, an inner guide inclined plane 81 of each stop hook 8 pushes a steel ball 6, and the steel ball 6 pushes a compression spring 3 to be compressed through a push rod 5 and a temperature-sensitive glass ball 4, so that buffering is realized, and the temperature-sensitive glass ball 4 is prevented from bursting; until the hook body 82 catches the steel pin 92, when the door body (or the window sash) is opened and stopped, the slide block 30 and the temperature-controlled unlocking device 10 work as shown in fig. 5. When a fire occurs, if the temperature of the temperature-sensitive glass ball 4 reaches the deformation temperature (the explosion temperature is about 68 ℃), the temperature-sensitive glass ball 4 explodes, the steel ball 6 loses the acting force of the compression spring 3, the stop hook 8 is in a free state, the slide block 30 is separated from the temperature-controlled unlocking device 10 (shown by an arrow T in fig. 6) under the action of the door closer 40, and the door body (or the window sash) is closed.

The acting force of the compression spring 3 of the temperature control unlocking device 10 can be adjusted by screwing the plug head 2, so that the stopping force of the door body (or the window sash) can be changed.