CN211500244U - Open-close control device for door and window - Google Patents

Abstract

The utility model provides a door and window opening and closing control device; the opening and closing control device comprises a fixed seat, a movable part, an elastic element and a bracket, wherein the movable part can move relative to the fixed seat, one end of the elastic element is connected or contacted with the movable part, and the other end of the elastic element is arranged on the fixed seat; the bracket is arranged in the middle of the fixed seat, and the bracket and the movable piece jointly define a clamping groove suitable for clamping the heat sensitive element; when the heat sensitive element is clamped in the clamping groove, the elastic element is compressed, and when the heat sensitive element deforms, the elastic element returns to drive the moving part to move. The whole length of the opening and closing control device is shortened, the universality is strong, the reliability of transmission is higher, and the sensitivity is higher.

Description

Open-close control device for door and window

Technical Field

The utility model relates to a door and window field, in particular to door and window's start-stop control device.

Background

The window closer is also called an automatic window closer, a temperature control window closer, a movable fire window opening and closing control device and the like, and is applied to various movable fire windows. The movable fireproof window solves the problem that the movable fireproof window is closed at ordinary times, so that ventilation and lighting cannot be achieved.

The window closer in the related art adopts a fusible alloy piece or a glass ball and other heat sensitive elements to automatically control and close the window sash, but the length of the window closer is long, so that the width of some window sashes cannot be installed, and the universality and the sensitivity are required to be improved.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, the utility model aims to provide a door and window's on-off control device. The device's whole length shortens, and the commonality is strong, and driven reliability is higher, and sensitivity is higher.

In view of this, the utility model discloses an aspect, the utility model provides a door and window's on-off control device, include:

a fixed seat;

the movable piece is movable relative to the fixed seat;

one end of the elastic element is connected or contacted with the movable part, and the other end of the elastic element is arranged on the fixed seat;

the bracket is arranged in the middle of the fixed seat, and the bracket and the movable part jointly define a clamping groove suitable for clamping the heat sensitive element; when the heat sensitive element is clamped in the clamping groove, the elastic element is compressed, and when the heat sensitive element deforms, the elastic element returns to drive the movable part to move.

According to the utility model discloses door and window's start and stop control device, through the setting of support, make the heat-sensitive element be in the intermediate position of whole product, reduced fixture, can make the whole length of product shorten correspondingly, improve its commonality, in addition, the heat-sensitive element is equivalent to setting up between elastic element and moving part, and it belongs to direct rigid connection, and once the heat-sensitive element warp, elastic element's effort can directly act on the moving part, and driven reliability is higher; and the heat sensitive element is positioned in the middle of the product, so that the heat sensitive element is closer to a fire receiving surface, and the temperature sensing sensitivity is higher.

Additionally, according to the utility model discloses door and window's on-off control device that above-mentioned embodiment provided can also have following additional technical characterstic:

according to the embodiment of the utility model provides a, be equipped with adjusting screw on the support, adjusting screw with the moving part is injectd jointly the draw-in groove, with the basis heat-sensitive element's length and regulation the length of draw-in groove.

According to the embodiment of the utility model provides a, still include the movable sleeve, movable sleeve one end butt is in on the adjusting screw, other end centre gripping heat sensitive element. The scheme can change different requirements of different customers on the pre-pressure of the closed window by adjusting the effective length of the movable sleeve, and has stronger practicability.

According to the utility model discloses, the draw-in groove has the setting and is in locating hole on the moving part, the heat sensitive element is suitable for the part to be pegged graft in the locating hole.

According to the embodiment of the utility model, the utility model also comprises a rocker arm;

one end of the movable piece is provided with a rack, the other end of the movable piece is provided with a connecting rod, and the connecting rod is provided with a connecting end and a free end;

the elastic element is connected with or contacted with the free end;

one end of the rocker arm is connected with a door and window sash or a door and window frame, the other end of the rocker arm is pivoted on the fixed seat, and a gear structure meshed with the rack is arranged at the end part of the rocker arm;

when the movable piece moves along with the return of the elastic element, the rocker arm rotates to close the door and window through the transmission of the rack and the gear structure.

According to the utility model discloses, the connecting rod with the moving part partially overlaps and fastens through the wind brace screw, the connecting rod with the nylon friction disc has been laid to the region that the moving part overlaps, so that the moving part stops in the fixing base.

According to the embodiment of the utility model provides a, the connecting rod is the L type, one side of the minor face of L type connecting rod with the support is injectd jointly the draw-in groove, opposite side are connected or are contacted elastic element, its long limit is connected the moving part.

According to an embodiment of the present invention, the elastic element is a spring.

According to the embodiment of the utility model provides a, the rack on the moving part is formed through board notching or board processing of punching a hole. The rack in the scheme is processed by plate notching or plate punching instead of a die, so that the cost can be reduced, and the processing and the production are convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of an opening and closing control device for doors and windows according to an embodiment of the present invention in a closed state of door and window sashes;

fig. 2 is a schematic view of an opening and closing control device for doors and windows according to an embodiment of the present invention in an open state of door and window sashes;

fig. 3 is a schematic view of the opening and closing control device for doors and windows according to the embodiment of the present invention in a broken state of the heat sensitive element;

description of reference numerals: the door and window opening and closing control device comprises a door and window opening and closing control device 1, a fixed seat 100, a movable piece 200, a positioning hole 201, a rack 202, a connecting rod 203, a wind bracing screw 204, nylon 205, an elastic element 300, a support 400, an adjusting screw 401, a movable sleeve 402, a heat sensitive element 500, a clamping groove 600, a rocker arm 700 and a gear structure 701.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the accompanying drawings 1-3 of the specification and a specific embodiment.

Referring to fig. 1, a door/window opening/closing control device 1 according to an embodiment of the present invention is shown, where the door/window opening/closing control device 1 includes a fixed base 100, a movable member 200, an elastic element 300, a bracket 400, and a heat sensitive element 500.

Specifically, the movable member 200 is movable relative to the fixed base 100; one end of the elastic element 300 is connected or contacted with the movable element 200, and the other end is arranged on the fixed seat 100; the bracket 400 is arranged at the middle position of the fixed seat 100, and the bracket 400 and the movable piece 200 together define a clamping groove 600 suitable for clamping the heat sensitive element 500; when the thermal sensor 500 is engaged with the engaging groove 600, the elastic element 300 is compressed, and when the thermal sensor 500 deforms, the elastic element 300 returns to drive the moving member 200 to move.

That is, referring to fig. 1-3, the fixed seat 100 is disposed on the frame or sash of the door or window, and the movable member 200 is generally connected to the swing arm and can drive the swing arm to rotate to open or close the sash through the movement of the movable member 200; at the position of the thermal sensor 500, the thermal sensor 500 is clamped in the clamping groove 600, one end of the thermal sensor 500 abuts against the bracket 400, the other end of the thermal sensor abuts against the movable member 200, and the movable member 200 abuts against one end of the elastic element 300, so that when the thermal sensor 500 deforms, the movable member 200 loses the supporting force, and the elastic element 300 loses the pressure and returns to the original position, and drives the movable member 200 to move.

Therefore, through the arrangement of the bracket 400, the heat sensitive element 500 is positioned in the middle of the whole product, clamping mechanisms are reduced, the whole length of the product can be correspondingly shortened, the universality is improved, in addition, the heat sensitive element 500 is equivalently arranged between the elastic element 300 and the moving part 200 and belongs to direct rigid connection, once the heat sensitive element 500 deforms, the acting force of the elastic element 300 can directly act on the moving part 200, and the reliability of transmission is higher; moreover, the heat sensitive element 500 is located in the middle of the product, so that the heat sensitive element 500 is closer to the fire receiving surface, and the temperature sensing sensitivity is higher.

Alternatively, the heat sensitive element 500 may be a temperature sensitive glass ball, and the temperature sensitive glass ball is disposed at a middle position of the product, so that the overall length of the product can be shortened while the temperature sensitive sensitivity thereof can be improved.

Alternatively, the elastic member 300 may be a spring; wherein, one end of the elastic element 300 is connected or contacted with the movable element 200, a limit wall can be arranged on the movable element 200, so that the end part of the spring can be abutted or connected with the limit wall, and the other end of the elastic element 300 is arranged on the fixed seat 100, and the other end of the elastic element 300 can be connected or contacted with the fixed seat, so that when the door and window sash is opened, the movable element 200 moves to compress the spring, and the acting force of the compressed spring acts on the limit walls at the fixed seat 100 and the movable element 200; when the thermal sensor 500 is deformed, for example, when the temperature sensing glass ball is broken, the moving member 200 loses the supporting force and moves, and the spring loses the restriction and recovers the elastic force, thereby driving the moving member 200 to move.

Optionally, an adjusting screw 401 is disposed on the bracket 400, and the adjusting screw 401 and the movable member 200 together define a slot 600, so as to adjust the length of the slot 600 according to the length of the thermal sensor 500. That is, the thermal sensor 500 is assembled and clamped in the card slot 600 when leaving the factory; when the door and window sash is opened, the length of the slot 600 is changed by the movement of the movable member 200, and at this time, the heat sensitive element 500 can be firmly clamped in the slot 600 by the adjustment of the adjusting screw 401.

Further, the card slot 600 further includes a movable sleeve 402 therein, one end of the movable sleeve 402 abuts against the adjusting screw 401, and the other end of the movable sleeve 402 clamps the heat sensitive element 500. That is, the movable sleeve 402 is disposed between the thermal sensor 500 and the adjusting screw 401, and the thermal sensor 500 is securely disposed in the card slot 600 by the movable sleeve 402 clamping the thermal sensor 500. The end of the movable sleeve 402 abutting against the adjusting screw 401 may have an insertion hole into which the tip of the adjusting screw 401 is inserted, and the end of the movable sleeve 402 holding the thermal sensor 500 may be open, and the open portion holds the thermal sensor 500. Therefore, different requirements of different customers on the pre-pressure of the closed window can be changed by adjusting the effective length of the movable sleeve 402, and the practicability is higher.

Further, the card slot 600 has a positioning hole 201 disposed on the moving member 200, and the heat sensitive element 500 is adapted to be partially inserted into the positioning hole 201; so that the heat sensitive element 500 is further securely engaged in the card slot 600.

Optionally, the opening and closing control device 1 of the door and window further includes a rocker arm 700; one end of the movable piece 200 is provided with a rack 202, the other end is provided with a connecting rod 203, and the connecting rod 203 is provided with a connecting end and a free end; the elastic element 300 is connected or in contact with the free end; one end of the rocker arm 700 is connected with a door window sash or a door window frame, the other end of the rocker arm 700 is pivoted on the fixed seat 100, and the end part of the rocker arm 700 is provided with a gear structure 701 meshed with the rack 202; when the movable member 200 moves along with the return of the elastic element 300, the rocker arm 700 rotates to close the door and window through the transmission of the rack 202 and the gear structure 701. Therefore, the opening and closing control device 1 of the door and window controls the opening and closing of the door and the window sash.

In some examples, referring to fig. 1, the connection relationship between the swing arm 700 and the fixed seat 100 may be that the fixed seat 100 extends out of a step, the swing arm 700 is pivotally disposed on the step through a rotating shaft, and the gear structure 701 of the swing arm 700 is engaged with the rack 202. The gear structure 701 may be a plurality of teeth circumferentially disposed around the rotation axis at the end of the swing arm 700.

In some examples, in order to ensure that the movable member 200 can be stably parked in the fixed seat 100, the connecting rod 203 is partially overlapped with the movable member 200 and fastened by the wind bracing screw 204, wherein a nylon friction plate 205 is laid at the overlapping position of the connecting rod 203 and the movable member 200, and the nylon friction plate 205 can enhance the wind bracing damping effect so that the movable member 200 can be parked on the fixed seat 100. Thus, after the door and window sash is opened, the nylon friction plate 205 is arranged between the connecting rod 203 and the movable piece 200, and the wind resistance of the door and window sash is adjusted by adjusting the fastening force of the wind bracing screw 204, so that the movable piece 200 is parked in the fixed seat 100, and the door and window sash can be prevented from being automatically closed under the action of wind power; in addition, the wind bracing screw 204 is arranged in the fixing seat 100, so that wind and rain can be prevented from being blown, the service life of the wind bracing screw is prolonged, and the product is more attractive.

Further, the connecting rod 203 is L-shaped, one side of the short side of the L-shaped connecting rod and the bracket 400 define a slot 600, and the other side is connected or contacted with the elastic element 300. The long side of the L-shaped connecting rod can be partially overlapped on the moving member 200, and the short side of the L-shaped connecting rod can be used as the limit wall of the clamping groove 600 and the elastic element 300, so that when the elastic element 300 is compressed, the reverse force of the elastic force acts on the short side of the L-shaped connecting rod and is supported by the heat sensitive element 500, so that when the heat sensitive element 500 is deformed, the elastic element 300 can enable the connecting rod 203 to drive the moving member 200 to move.

In some examples, the splines 202 on the moveable member 200 are machined by plate notching. Thus, the rack 202 is machined by plate notching instead of being made of a mold, so that the cost can be reduced, and the processing and the production are convenient.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. The utility model provides a door and window's start and stop control device which characterized in that includes:

a fixed seat;

the movable piece is movable relative to the fixed seat;

one end of the elastic element is connected or contacted with the movable part, and the other end of the elastic element is arranged on the fixed seat;

the bracket is arranged in the middle of the fixed seat, and the bracket and the movable part jointly define a clamping groove suitable for clamping the heat sensitive element; when the heat sensitive element is clamped in the clamping groove, the elastic element is compressed, and when the heat sensitive element deforms, the elastic element returns to drive the movable part to move.

2. The opening and closing control device for doors and windows according to claim 1, wherein the bracket is provided with an adjusting screw, and the adjusting screw and the movable member jointly define the slot so as to adjust the length of the slot according to the length of the heat sensitive element.

3. The opening and closing control device for doors and windows according to claim 2, further comprising a movable sleeve, wherein one end of the movable sleeve is suitable for abutting against the adjusting screw, and the other end of the movable sleeve is suitable for clamping the heat sensitive element.

4. The opening and closing control device for doors and windows according to claim 1, wherein the locking slot has a positioning hole disposed on the movable member, and the heat sensitive element is adapted to be partially inserted into the positioning hole.

5. The opening and closing control device for doors and windows according to claim 1, further comprising a rocker arm;

one end of the movable piece is provided with a rack, the other end of the movable piece is provided with a connecting rod, and the connecting rod is provided with a connecting end and a free end;

the elastic element is connected with or contacted with the free end;

one end of the rocker arm is connected with a door and window sash or a door and window frame, the other end of the rocker arm is pivoted on the fixed seat, and a gear structure meshed with the rack is arranged at the end part of the rocker arm;

when the movable piece moves along with the return of the elastic element, the rocker arm rotates to close the door and window through the transmission of the rack and the gear structure.

6. The opening/closing control device for doors and windows according to claim 5, wherein the connecting rod is partially overlapped with the moving member and fastened by a wind bracing screw, and a nylon friction plate is laid in an overlapped area of the connecting rod and the moving member so that the moving member is parked in the fixed seat.

7. The opening/closing control device for doors and windows according to claim 5, wherein the connecting rod is L-shaped, one side of the short side of the L-shaped connecting rod and the bracket together define the slot, the other side is connected or contacted with the elastic element, and the long side is connected with the movable member.

8. The opening/closing control device for doors and windows according to claim 5, wherein the rack of the movable member is formed by punching a groove or a hole in a plate.

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