CN211818866U

CN211818866U - Window closer

Info

Publication number: CN211818866U
Application number: CN201922052656.9U
Authority: CN
Inventors: 蔡海勇
Original assignee: Xiamen Haixinxing Industry And Trade Co ltd
Current assignee: Xiamen Haixinxing Industry And Trade Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-30
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a window closer, which comprises a fixed seat, a movable part, a rocker arm, a connecting rod, a mandrel, a limiting frame, an elastic element and a mandrel positioning component; the movable piece and the fixed seat can be connected in a reciprocating manner; the rocker arm is hinged with the fixed seat, and a transmission mechanism is arranged between the rocker arm and the movable piece; the connecting rod is movably connected with the fixed seat; one end of the mandrel is connected with the connecting rod, and the other end of the mandrel penetrates through the limiting frame; the limiting frame is fixed on the fixed seat; the elastic element is sleeved on the mandrel, one end of the elastic element is abutted against the connecting rod, the other end of the elastic element is abutted against one side of the limiting frame, and the initial state of the elastic element is in a compressed state; the mandrel positioning assembly comprises a positioning piece, a fusible gasket and a fastening piece; the fastener is installed on the fixing base, and the setting element activity sets up on the fixing base, and the fusible gasket sets up between fastener and setting element. The utility model discloses simple structure, and can effective chucking dabber, effective solution does not take place the conflagration and casement self-closing's problem.

Description

Window closer

Technical Field

The utility model relates to a casement technical field, in particular to window closer.

Background

The window closer is also called an automatic window closer, a temperature-sensing window closer, a fire-proof window opening and closing control device and the like, is applied to various movable fire-proof windows, and solves the problem that the movable fire-proof window is closed at ordinary times so as not to achieve ventilation and lighting.

When the traditional window closer is used for closing a window, the connecting rod pushes the movable piece to move so as to drive the rocker arm to close, and then the window is driven to be automatically closed. However, the conventional window closer has a complicated structure and has a problem in that it cannot effectively clamp the core shaft, so that the window sash is automatically closed without a fire.

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 window closer, its simple structure, and can effective chucking dabber, effectively solve not having the conflagration and the problem of casement self-closing.

In order to achieve the above object, an embodiment of the present invention provides a window closer, which includes a fixing base, a moving part, a rocker arm, a connecting rod, a mandrel, a limiting frame, an elastic element, and a mandrel positioning assembly;

the movable piece and the fixed seat can be connected in a reciprocating manner;

the rocker arm used for connecting the door and window sash or the door and window frame is hinged with the fixed seat, and a transmission mechanism for driving the rocker arm to swing or the movable piece to move is arranged between the rocker arm and the movable piece;

the connecting rod is movably connected with the fixed seat, can move relative to the direction of the hinged end of the rocker arm and pushes the movable piece to move;

one end of the mandrel is connected with the connecting rod, the other end of the mandrel penetrates through the limiting frame, and the mandrel is provided with a clamping groove;

the limiting frame is fixed on the fixing seat and forms an axial limiting hole;

the elastic element is sleeved on the mandrel, one end of the elastic element is abutted against the connecting rod, the other end of the elastic element is abutted against one side of the limiting frame, and the initial state of the elastic element is in a compressed state;

the mandrel positioning assembly comprises a positioning piece, a fusible gasket and a fastening piece; the fastener is installed on the fixing base, and the setting element activity sets up on the fixing base, and the fusible gasket sets up between fastener and setting element, and the one end of fusible gasket supports and leans on the fastener, and the other end supports and leans on the setting element and orders about the setting element part card to go into the draw-in groove of dabber and restrict the dabber and remove.

According to the utility model discloses window closer, when the conflagration breaing out, the fusible gasket melts the back, setting element upward movement orders about the epaxial draw-in groove of dabber and breaks away from in the restriction of setting element, because elastic element cup joints at the spindle, elastic element's initial state is in by compression state, the dabber that loses the setting element restriction removes under elastic element's effect, order about the connecting rod when the elastic element reconversion of compressed state removes, and the connecting rod removes and pushes away the top moving part and remove, the moving part removes orders about the rocking arm swing under drive mechanism's effect, make the door and window fan or the door and window frame self-closing that are in the open mode. Therefore, the utility model discloses its simple structure, its dabber locating component can effective chucking dabber, effectively solve not taking place the conflagration and casement self-closing's problem.

In addition, according to the window closer provided by the above embodiment of the present invention, the following additional technical features may also be provided:

furthermore, the mandrel positioning assembly also comprises a mounting bracket, the mounting bracket is arranged on the fixed seat, and the fastener is arranged on the mounting bracket; the locating piece is a pin shaft, the pin shaft is movably arranged on the fixing base, the fastening piece is a fastening bolt, the fastening bolt is arranged on the mounting support and abuts against the fusible gasket, the fusible gasket abuts against the pin shaft, and the pin shaft is driven to be clamped into the clamping groove of the mandrel.

Furthermore, the mandrel positioning assembly also comprises a mounting bracket, the mounting bracket is arranged on the fixed seat, and the fastener is arranged on the mounting bracket; the setting element is the turning arm, and the one end and the installing support of turning arm are articulated, and the other end of turning arm is equipped with the fixture block, and the fastener is fastening bolt, and fastening bolt sets up on the installing support, and fastening bolt supports and leans on the fusible gasket, and the fusible gasket supports and leans on the turning arm, orders about the fixture block card of turning arm to go into in the draw-in groove of dabber.

Furthermore, the section of the clamping groove on the mandrel is an inclined plane or an arc surface.

Further, the transmission mechanism is a rack arranged on the movable piece and a gear arranged on the rocker arm, and the gear on the rocker arm is meshed with the rack on the movable piece.

Further, set up at least one wind on the connecting rod and prop adjusting screw, set up rectangular spout on the moving part, wind props adjusting screw and arranges in rectangular spout.

Further, the moving part and the connecting rod are arranged in parallel, and a brake pad is arranged between the moving part and the connecting rod.

Furthermore, a brake pad is arranged between the movable part and the head of the wind bracing adjusting screw.

Further, the connecting rod is the L type, and the connecting rod includes long limit and minor face, sets up the wind brace adjusting screw between the long limit of connecting rod and the moving part, and the minor face and the dabber of connecting rod are connected.

Further, the elastic element is a compression spring.

Drawings

Fig. 1 is a schematic structural view of a window closer according to an embodiment of the present invention with a fusible gasket intact;

fig. 2 is a schematic structural view illustrating the melting of the fusible gasket in the window closer according to the embodiment of the present invention;

FIG. 3 is a schematic view of the fusible spacer and the pin connection in FIG. 1;

fig. 4 is a schematic structural view of another window closer according to an embodiment of the present invention with a fusible spacer intact;

fig. 5 is a schematic view of another window closer according to an embodiment of the present invention, showing another angle when the fusible spacer is intact;

fig. 6 is a schematic structural view illustrating the melting of the fusible gasket in another window closer according to the embodiment of the present invention;

fig. 7 is a schematic structural view of the fusible pad and the crank arm in fig. 4.

Description of the reference symbols

Fixed seat 1 and movable part 2

Brake pad 22 with long slide slot 21

Brake pad 23 rocker arm 3

Connecting rod 4 wind brace adjusting screw 41

Long side 42 and short side 43

Mandrel 5 limiting frame 6

Elastic element 7 of limiting hole 61

Positioning part 81 of mandrel positioning assembly 8

Fixture block 811 fusible shim 82

Fastener 83 mounting bracket 84

Gear rack 91 of transmission mechanism 9

And a gear 92.

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.

As shown in fig. 1 to 7, the window closer of the embodiment of the present invention includes a fixing base 1, a moving part 2, a rocker arm 3, a connecting rod 4, a mandrel 5, a limiting frame 6, an elastic element 7, and a mandrel positioning component 8.

The movable piece 2 and the fixed seat 1 can be connected in a reciprocating way; the rocker arm 3 used for connecting door and window leaves or door and window frames is hinged with the fixed seat 1, and a transmission mechanism 9 for driving the rocker arm 3 to swing or driving the movable part 2 to move is arranged between the rocker arm 3 and the movable part 2.

The connecting rod 4 is movably connected with the fixed seat 1, and the connecting rod 4 can move relative to the direction of the hinged end of the rocker arm 3 and pushes the movable piece 2 to move; connecting rod 4 is connected to dabber 5 one end, and spacing 6 is passed to dabber 5 other end, sets up draw-in groove 51 on the dabber 5.

The limiting frame 6 is fixed on the fixed seat 1, and the limiting frame 6 forms an axial limiting hole 61; elastic element 7 cup joints on dabber 5, and elastic element 7 one end is supported and is leaned on connecting rod 4, and the elastic element 7 other end supports and leans on one side at spacing 6, and elastic element 7's initial state is in by the compression state.

The mandrel positioning assembly 8 comprises a positioning piece 81, a fusible gasket 82 and a fastener 83; the fastening member 83 is installed on the fixing base 1, the positioning member 81 is movably disposed on the fixing base 1, the fusible gasket 82 is disposed between the fastening member 83 and the positioning member 81, one end of the fusible gasket 82 abuts against the fastening member 83, and the other end of the fusible gasket 82 abuts against the positioning member 81 and drives the positioning member 81 to partially block into the slot 51 of the mandrel 5 to limit the movement of the mandrel 5.

When a fire disaster happens, the fusible gasket 82 melts, after the fusible gasket 82 melts, the positioning part 81 moves upwards to drive the clamping groove 51 on the mandrel 5 to break away from the limitation of the positioning part 81, because the elastic element 7 is sleeved on the mandrel 5, the initial state of the elastic element 7 is in a compressed state, the mandrel 5 without the limitation of the positioning part 81 moves under the action of the elastic element 7, the elastic element 7 in the compressed state drives the connecting rod 4 to move when recovering, the connecting rod 4 moves to push the movable part 2 to move, the movable part 2 moves to drive the rocker arm 3 to swing under the action of the transmission mechanism 9, and the door window sash or the door window frame in an open state is automatically closed. Therefore, the utility model discloses its simple structure, its dabber locating component 8 can effective chucking dabber 5, effectively solve not taking place the conflagration and casement self-closing's problem.

It should be noted that the fusible gasket 82 may be a fusible metal gasket, the fusible gasket 82 does not deform at a low temperature, the fusible gasket 82 can melt when meeting a preset temperature value, the preset temperature value of the fusible gasket 82 can be customized within a certain range, such as 47-280 ℃, and the fusible gasket 82 is the prior art and is not described herein.

In some examples, as shown in fig. 1-3, the mandrel positioning assembly 8 further comprises a mounting bracket 84, the mounting bracket 84 being disposed on the fixed base 1, the fastener 83 being mounted on the mounting bracket 84; the positioning piece 81 is a pin shaft which is movably arranged on the fixed seat 1, the fastening piece 83 is a fastening bolt which is arranged on the mounting bracket 84, the fastening bolt abuts against the fusible gasket 82, the fusible gasket 82 abuts against the pin shaft, and the pin shaft is driven to be clamped into the clamping groove 51 of the mandrel 5. When the fusible pad 82 melts, the pin moves upward without being restricted by the fusible pad 82, and the pin moves upward to move the mandrel 5.

In some examples, as shown in fig. 4-7, the mandrel positioning assembly 8 further includes a mounting bracket 84, the mounting bracket 84 being disposed on the fixed base 1, the fastener 83 being mounted on the mounting bracket 84; the locating piece 81 is a crank arm, one end of the crank arm is hinged to the mounting support 84, a clamping block 811 is arranged at the other end of the crank arm, the fastening piece 83 is a fastening bolt, the fastening bolt is arranged on the mounting support 84 and abuts against the fusible gasket 82, the fusible gasket 82 abuts against the crank arm, and the clamping block 811 of the crank arm is driven to be clamped into the clamping groove 51 of the mandrel 5. When the fusible pad 82 melts, the stopper 811 of the crank arm moves upward without being restricted by the fusible pad 82, and the stopper 811 moves upward to move the mandrel 5.

In some examples, the cross section of the slot 51 on the mandrel 5 is a bevel or a cambered surface. As shown in fig. 3, the cross section of the locking groove 51 is a cambered surface, and as shown in fig. 7, the cross section of the locking groove 51 is an inclined surface.

In some examples, the transmission mechanism 9 is a rack 91 provided on the movable element 2 and a gear 92 provided on the rocker arm 3, and the gear 92 on the rocker arm 3 is engaged with the rack 91 on the movable element 2. After the fusible pad 82 melts, the elastic element 7 recovers to drive the connecting rod 4 to move, the connecting rod 4 moves to drive the movable element 2 to move, the movable element 2 moves together with the rack 91 on the movable element 2 to move synchronously, and the rack 91 moves to drive the rocker arm 3 to rotate due to the engagement of the gear 92 on the rocker arm 3 and the rack 91 on the movable element 2, so that the window is automatically closed.

In some examples, at least one wind bracing adjusting screw 41 is disposed on the connecting rod 4, the long sliding groove 21 is disposed on the movable member 2, and the wind bracing adjusting screw 41 is disposed in the long sliding groove 21.

In this example, the number of the wind bracing adjusting screws 41 is two, the two wind bracing adjusting screws 41 are arranged in the long sliding groove 21 side by side, the wind bracing adjusting screws 41 are connected with the connecting rod 4 after being arranged in the long sliding groove 21, and when the movable member 2 moves, the wind bracing adjusting screws 41 move in the long sliding groove 21.

In some examples, the movable member 2 is disposed parallel to the connecting rod 4, and a brake pad 22 is disposed between the movable member 2 and the connecting rod 4. The brake pad 22 can be a nylon brake pad, which can effectively increase the friction between the moving member 2 and the connecting rod 4, and of course, the brake pad 22 can be a brake pad made of other materials. The wind bracing adjusting screw 41 is disposed in the long sliding groove 21 and passes through the brake pad 22, and the wind bracing adjusting screw 41 is adjusted to adjust the gap between the movable member 2 and the connecting rod 4, so as to adjust the friction force between the movable member 2 and the connecting rod 4, so that the window is not easily affected by wind when opened.

In some examples, a brake pad 23 is arranged between the movable member 2 and the head of the wind bracing adjusting screw 41. The brake pad 23 increases the friction between the movable member 2 and the wind bracing adjusting screw 41, so that the window is further less susceptible to wind when opened.

In some examples, the connecting rod 4 is L-shaped, the connecting rod 4 includes a long side 42 and a short side 43, the wind bracing adjusting screw 41 is disposed between the long side 42 of the connecting rod 4 and the moving member 2, and the short side 43 of the connecting rod 4 is connected with the mandrel 5. After the fusible pad 82 melts, the elastic element 7 recovers to drive the connecting rod 4 to move, the connecting rod 4 moves to drive the moving part 2 to move, when the connecting rod 4 moves, the short edge 43 of the connecting rod 4 can abut against the moving part 2, and the short edge 43 of the connecting rod 4 moves to drive the moving part 2 to move.

In some examples, the elastic element 7 is a compression spring, the elasticity of which is good and through which the spindle 5 is easy to pass.

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

1. A window closer characterized by: comprises a fixed seat, a movable part, a rocker arm, a connecting rod, a mandrel, a limiting frame, an elastic element and a mandrel positioning component;

2. A window closer as claimed in claim 1, wherein: the mandrel positioning assembly further comprises a mounting bracket, the mounting bracket is arranged on the fixed seat, and the fastener is mounted on the mounting bracket; the locating piece is a pin shaft, the pin shaft is movably arranged on the fixing base, the fastening piece is a fastening bolt, the fastening bolt is arranged on the mounting support and abuts against the fusible gasket, the fusible gasket abuts against the pin shaft, and the pin shaft is driven to be clamped into the clamping groove of the mandrel.

3. A window closer as claimed in claim 1, wherein: the mandrel positioning assembly further comprises a mounting bracket, the mounting bracket is arranged on the fixed seat, and the fastener is mounted on the mounting bracket; the setting element is the turning arm, and the one end and the installing support of turning arm are articulated, and the other end of turning arm is equipped with the fixture block, and the fastener is fastening bolt, and fastening bolt sets up on the installing support, and fastening bolt supports and leans on the fusible gasket, and the fusible gasket supports and leans on the turning arm, orders about the fixture block card of turning arm to go into in the draw-in groove of dabber.

4. A window closer as claimed in claim 2 or 3, wherein: the section of the clamping groove on the mandrel is an inclined plane or a cambered surface.

5. A window closer as claimed in claim 1, wherein: the transmission mechanism is a rack arranged on the moving part and a gear arranged on the rocker arm, and the gear on the rocker arm is meshed with the rack on the moving part.

6. A window closer as claimed in claim 1, wherein: set up at least one wind on the connecting rod and prop adjusting screw, set up rectangular spout on the moving part, wind props adjusting screw and arranges in rectangular spout.

7. A window closer as claimed in claim 6, wherein: the moving part and the connecting rod are arranged in parallel, and a brake pad is arranged between the moving part and the connecting rod.

8. A window closer as claimed in claim 6, wherein: and a brake pad is arranged between the movable part and the head of the wind bracing adjusting screw.

9. A window closer as claimed in claim 6, wherein: the connecting rod is the L type, and the connecting rod sets up the wind between long limit and the moving part including long limit and minor face, the long limit of connecting rod and the moving part and props adjusting screw, and the minor face and the dabber of connecting rod are connected.

10. A window closer as claimed in claim 1, wherein: the elastic element is a compression spring.