CN108468491B

CN108468491B - Latch hook type window closer

Info

Publication number: CN108468491B
Application number: CN201810547449.8A
Authority: CN
Inventors: 聂飞; 朱力克
Original assignee: Suzhou Fuerda Industry Co ltd
Current assignee: Suzhou Fuerda Industry Co ltd
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2023-09-26
Anticipated expiration: 2038-05-31
Also published as: CN108468491A

Abstract

The invention relates to a latch hook type window closer which comprises a closer body, a cylinder body and a rocker arm, wherein the closer body and the cylinder body are respectively arranged on a window frame and a window side frame, the closer body comprises a sliding rail, a sliding block capable of sliding along the length direction of the sliding rail, and a locking mechanism capable of locking the sliding block and the sliding rail relatively, two ends of the rocker arm are respectively in rotary connection with the sliding block and the cylinder body, the locking mechanism comprises a fixed seat fixedly arranged on the sliding rail, a second latch hook capable of being rotatably arranged on the fixed seat around the width direction of the sliding rail and being matched with a first latch hook, and a temperature-sensitive glass component which is acted on the end part of the second latch hook far away from the first latch hook and is in a hooking state all the time, wherein when the first latch hook moves to the second latch hook and is hooked, the rocker arm outwards props up the window; when a fire disaster occurs, the temperature-sensing glass component loses the limiting force on the second lock hook, the first lock hook and the second lock hook are unhooked, the rocker arm is folded inwards, the window is closed, and meanwhile, the temperature-sensing glass component is simple in structure, convenient to use and low in cost.

Description

Latch hook type window closer

Technical Field

The invention relates to a latch hook type window closer.

Background

Window closers are formed mainly in two ways: one is an electric window closer; the other is a movable window closer controlled by adopting a mechanical principle. The fire-proof window is mainly used for various movable fire-proof windows, and the main functions are as follows: on one hand, the fireproof window can be effectively unfolded and positioned, and ventilation and lighting effects are improved; on the other hand, when a fire occurs, it can automatically close the window, preventing the circulation of air, thereby controlling the spread of fire.

However, window closers are used in the market, which have the following general properties:

1) The structure is complex, the operation is inconvenient, and accidents are easy to occur;

2) The manufacturing cost is high, and the market competition advantage is avoided.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the latch hook type window closer which is simple in structure, convenient to operate, relatively stable in operation and low in cost.

In order to solve the technical problems, the invention adopts the following technical scheme:

the latch hook type window closer comprises a window frame, a window side frame, a window body, a cylinder body and a rocker arm, wherein the window body and the cylinder body are respectively arranged on the window frame and the window side frame, the window body comprises a sliding rail fixed on the window frame, a sliding block which is arranged in the sliding rail and can slide along the length direction of the sliding rail, and a locking mechanism which can lock the sliding block and the sliding rail relatively, two end parts of the rocker arm are respectively connected with the sliding block and the cylinder body in a rotating way,

particularly, a first lock hook is arranged on the sliding block, the locking mechanism comprises a fixed seat fixedly arranged on the sliding rail, a second lock hook which can be rotatably arranged on the fixed seat around the width direction of the sliding rail and is matched and locked with the first lock hook, and a temperature-sensitive glass component which acts on the end part of the second lock hook far away from the first lock hook and is in a hooking state all the time, wherein when the first lock hook moves towards the second lock hook and is hooked, the rocker arms outwards prop open the window; when a fire disaster occurs, the glass column of the temperature-sensing glass component breaks and loses the limiting force on the second lock hook, the first lock hook is separated from the second lock hook, the rocker arm is folded inwards, and the window is closed.

Preferably, the second latch hook is rotatably disposed on the holder about the active end of the temperature-sensitive glass assembly.

According to one specific implementation and preferred aspect of the invention, a wheel groove is arranged at one end part of the second lock hook far away from the first lock hook, and the temperature-sensitive glass component comprises a poking roller which is matched with the wheel groove and is rotatably arranged on the fixing frame at two end parts, and a driving piece which drives the poking roller to rotate around the axis of the poking roller and keeps the other end part of the second lock hook pressed towards the bottom of the sliding rail.

Further, the wheel groove and the poking roller are provided with matched bulges and grooves, and the poking roller and the wheel groove are mutually meshed through the bulges and the grooves.

Preferably, the driving piece comprises a setting frame which can be movably adjusted along the length direction of the sliding rail and is arranged on the fixed seat and matched with the poking roller, an elastic supporting piece arranged inside the setting frame, and glass columns of which two ends respectively abut against between the elastic supporting piece and the fixed seat.

Further, the arrangement frame comprises a frame body and a slope section which is arranged at one end part of the frame body and matched with the protrusion or the groove on the surface of the poking roller, wherein when the frame body moves along the length direction of the sliding rail, the slope section drives the poking roller to rotate.

Preferably, a positioning hole is formed in the other end of the frame body, the elastic support piece comprises a first positioning part, a second positioning part and a spring, the first positioning part and the second positioning part are located at two ends of the positioning hole, the spring is located between the first positioning part and the second positioning part, the first positioning part is abutted against the inner end of the positioning hole, and two ends of the glass column are abutted between the second positioning part and the fixing seat respectively.

According to a further specific and preferred aspect of the present invention, the elastic support further includes a tension bolt provided on the frame body and capable of extending between the first positioning portion and the inner end portion of the seating hole.

Specifically, the inner end part of the first positioning part facing the mounting hole is cone-shaped, the end part of the tensioning bolt extending into the frame body is cone-shaped, the cone end part of the tensioning bolt rotates towards the frame body and pushes the cone end part of the first positioning part matched with the tensioning bolt to move towards the second positioning part, so that the acting force of the spring on the mounting frame is adjusted.

In addition, the hook part of the first lock hook is outwards arranged along the depth direction of the sliding rail from the bottom of the sliding rail; the hook part of the second latch hook is arranged towards the bottom of the slide rail along the depth direction of the slide rail.

Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:

the window is locked in an open state by hooking the first lock hook and the second lock hook; when the fire disaster happens, the temperature-sensing glass component loses the limiting force on the second lock hook, the first lock hook and the second lock hook are unhooked, the window is rapidly and accurately closed, the spread of fire is effectively prevented, and meanwhile, the temperature-sensing glass component is simple in structure, convenient to use and low in cost.

Drawings

The invention will now be described in further detail with reference to the drawings and to specific examples.

FIG. 1 is a schematic perspective view of a window closer according to the present invention (with windows and frames omitted);

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic view of a partial structure of the first latch hook and the second latch hook in the present invention;

wherein: 1. a body; 10. a slide rail; 11. a slide block; 11a, a first latch hook; 12. a locking mechanism; 12a, a fixed seat; 12b, a second latch hook; 120b, wheel grooves; 12c, a temperature-sensitive glass assembly; 120c, a poking roller; 121c, a driving member; a. a setting frame; a1, a frame body; a10, arranging holes; a2, a slope section; b. an elastic support; b1, a first positioning part; b2, a second positioning part; b3, a spring; b4, tensioning the bolt; c. a glass column; 2. a cylinder; 3. and (3) a rocker arm.

Detailed Description

The present invention will be described in detail with reference to the drawings and the detailed description, so that the above objects, features and advantages of the present invention can be more clearly understood. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 3, the present embodiment provides a latch hook type window closer provided between a window frame and a window side frame, the window closer including a body 1 and a cylinder 2 mounted on the window frame and the window side frame, respectively, and a swing arm 3, wherein the body 1 includes a slide rail 10 fixed to the window frame, a slider 11 provided in the slide rail 10 and slidable along a length direction of the slide rail 10, and a locking mechanism 12 capable of locking the slider 11 and the slide rail 10 relatively, both end portions of the swing arm 3 being rotatably connected with the slider 11 and the cylinder 2, respectively.

The sliding block 11 is provided with a first lock hook 11a, the locking mechanism 12 comprises a fixed seat 12a fixedly arranged on the sliding rail 10, a second lock hook 12b rotatably arranged on the fixed seat 12a around the width direction of the sliding rail 10 and locked with the first lock hook 11a in a matching way, and a temperature-sensitive glass component 12c acting on the end part of the second lock hook 12b away from the first lock hook 11a and enabling the second lock hook 12b to be in a hooking state all the time, wherein when the first lock hook 11a moves towards the second lock hook 12b and hooks, the rocker arm 3 outwards expands the window; when a fire occurs, the glass column of the temperature-sensing glass component 12c breaks and loses the limiting force on the second lock hook 12b, the first lock hook 11a is separated from the second lock hook 12b, the rocker arm 3 is folded inwards, and the window is closed.

Specifically, the second latch hook 12b is rotatably disposed on the fixing base 12a about the acting end of the temperature-sensitive glass assembly 12 c.

A wheel groove 120b is arranged at one end part of the second lock hook 12b far away from the first lock hook 11a, and the temperature-sensitive glass component 12c comprises a poking roller 120c which is matched with the wheel groove 120b and is rotatably arranged on the fixed frame 12a at two end parts, and a driving piece 121c which drives the poking roller 120c to rotate around the axis of the poking roller and keeps the other end part of the second lock hook 12b pressed towards the bottom of the sliding rail 10.

In this example, the wheel groove 120b and the pulling roll 120c are provided with matched protrusions and grooves (shown in the figure, but not thought of), and the pulling roll 120c and the wheel groove 120b are engaged with each other through the protrusions and grooves.

The driving part 121c includes a mounting frame a which is movably disposed on the fixing base 12a along the length direction of the slide rail 10 and is matched with the pulling roller 120c, an elastic supporting part b disposed inside the mounting frame a, and a glass column c with two ends respectively abutting between the elastic supporting part b and the fixing base 12 a.

The rack a comprises a rack body a1 and a slope section a2 arranged at one end of the rack body a1 and matched with the protrusion or the groove on the surface of the poking roller 120c, wherein when the rack body a1 moves along the length direction of the sliding rail 10, the slope section a2 drives the poking roller 120c to rotate.

The end part of the frame body a1 far away from the slope section a2 is provided with a placement hole a10, the elastic support piece b comprises a first positioning part b1 and a second positioning part b2 which are positioned at two end parts of the placement hole a10, and a spring b3 which is positioned between the first positioning part b1 and the second positioning part b2, wherein the first positioning part b1 is abutted against the inner end part of the placement hole a10, and two end parts of the glass column c are respectively abutted between the second positioning part b2 and the fixed seat 12 a.

In this example, the elastic support member b further includes a tension bolt b4 provided on the frame body a1 and capable of extending between the first positioning portion b1 and the inner end portion of the placement hole a 10.

Specifically, the inner end of the first positioning portion b1 facing the mounting hole a10 is cone-shaped, the end of the tensioning bolt b4 extending into the frame body a1 is cone-shaped, wherein the cone end of the tensioning bolt b4 rotates towards the frame body a1 and pushes the cone end of the first positioning portion b1 matched with the tensioning bolt b4 to move towards the second positioning portion b2, so that the acting force of the spring b3 on the mounting frame a10 is adjusted. Thus, when locked, the window is ensured to be in an open rest state by adjusting the size of the opposite mounting frame a of the spring b 3.

In addition, in this example, the latch hook of the first latch hook 11a is disposed outwards from the bottom of the slide rail 10 along the depth direction of the slide rail 10, and is located inside the slide rail 10; the lock hook of the second lock hook 12b is provided toward the bottom of the slide rail 10 along the depth direction of the slide rail 10.

In summary, the implementation process of this embodiment is as follows:

1. when the window is opened and is in a stop state, the first lock hook is hooked with the second lock hook, stable positioning is realized under the action of the spring on the placement frame, and the supporting arm outwards supports the window;

2. when a fire disaster occurs, the glass column is broken, the temperature-sensitive glass component loses the acting force on the second lock hook, the first lock hook is separated from the second lock hook under the dead weight of the window, the rocker arm is folded inwards, and the window is closed.

The present invention has been described in detail with the purpose of enabling those skilled in the art to understand and practice the present invention, but not to limit the scope of the present invention, and the present invention is not limited to the above-described embodiments, and all equivalent changes or modifications according to the spirit of the present invention should be covered in the scope of the present invention.

Claims

1. The utility model provides a latch hook formula window ware, its setting is between window frame and window side frame, window ware including install respectively window frame with window side frame is last ware body and cylinder body and rocking arm, wherein the ware body including be fixed in slide rail on the window frame, locate in the slide rail and can follow slide rail length direction gliding slider, and can with the slider with the locking mechanical system of slide rail relative locking, the both ends of rocking arm respectively with the slider with the cylinder body rotates to be connected, its characterized in that: the sliding block is provided with a first lock hook, the locking mechanism comprises a fixed seat fixedly arranged on the sliding rail, a second lock hook which can be rotatably arranged on the fixed seat around the width direction of the sliding rail and is matched with the first lock hook for locking, and a temperature-sensitive glass component which acts on the end part of the second lock hook far away from the first lock hook and is in a hooking state all the time, wherein when the first lock hook moves to the second lock hook and is hooked, the rocker arms outwards prop the window; when a fire disaster occurs, the glass column of the temperature-sensing glass component breaks and loses the limiting force on the second lock hook, the first lock hook is separated from the second lock hook, the rocker arm is folded inwards, and the window is closed; the second lock hook is rotatably arranged on the fixed seat around the acting end part of the temperature-sensing glass component; a wheel groove is formed in one end part of the second lock hook, which is far away from the first lock hook, and the temperature-sensitive glass component comprises a poking roller which is matched with the wheel groove and is rotatably arranged on the fixing frame at two end parts, and a driving piece which drives the poking roller to rotate around the axis of the poking roller and keeps the other end part of the second lock hook to be pressed towards the bottom of the sliding rail; the wheel groove and the poking roller are provided with matched bulges and grooves, and the poking roller and the wheel groove are mutually meshed through the bulges and the grooves; the driving piece comprises a setting frame which can be movably adjusted along the length direction of the sliding rail and is arranged on the fixed seat and matched with the poking roller, an elastic supporting piece arranged in the setting frame, and a glass column with two ends respectively abutting between the elastic supporting piece and the fixed seat; the hook part of the first lock hook is outwards arranged from the bottom of the sliding rail along the depth direction of the sliding rail; the hook part of the second lock hook is arranged towards the bottom of the sliding rail along the depth direction of the sliding rail.

2. The shackle type window closer as defined in claim 1, wherein: the rack comprises a rack body and a slope section arranged at one end of the rack body and matched with the protrusion or the groove on the surface of the poking roller, wherein when the rack body moves along the length direction of the sliding rail, the slope section drives the poking roller to rotate.

3. The shackle type window closer as defined in claim 2, wherein: the other end part of the frame body is provided with a placement hole, the elastic support piece comprises a first positioning part, a second positioning part and a spring, wherein the first positioning part and the second positioning part are positioned at two end parts of the placement hole, the spring is positioned between the first positioning part and the second positioning part, the first positioning part is abutted against the inner end part of the placement hole, and two end parts of the glass column are abutted against the second positioning part and the fixing seat respectively.

4. The shackle type window closer according to claim 3, wherein: the elastic support piece also comprises a tensioning bolt which is arranged on the frame body and can extend into the space between the first positioning part and the inner end part of the placement hole.

5. The shackle type window closer as defined in claim 4, wherein: the first positioning part faces the inner end part of the placement hole and is cone-shaped, the tension bolt stretches into the end part of the frame body and is cone-shaped, the cone end part of the tension bolt rotates to the frame body and pushes the cone end part of the first positioning part matched with the cone end part to move to the second positioning part, and therefore acting force of the spring on the placement frame is adjusted.