CN217581716U - Fusible alloy locking assembly and window closer - Google Patents
Fusible alloy locking assembly and window closer Download PDFInfo
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- CN217581716U CN217581716U CN202220339420.2U CN202220339420U CN217581716U CN 217581716 U CN217581716 U CN 217581716U CN 202220339420 U CN202220339420 U CN 202220339420U CN 217581716 U CN217581716 U CN 217581716U
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Abstract
The utility model discloses a fusible alloy locking assembly and a window closer, which comprises an installation shell, a slide block, a locking piece and a fusible alloy temperature control mechanism; the fusible alloy temperature control mechanism comprises a fusible alloy temperature control part, a thimble and a thimble sleeve, wherein one end of the thimble sleeve is used for jacking to the rotating end so as to limit the rotating end to rotate; one end of the thimble is formed into a stress end, the other end of the thimble is formed into a jacking end, and the jacking end is penetrated in the thimble sleeve and forms an installation interval with the inner wall of the thimble sleeve at intervals; the fusible alloy temperature control pieces are arranged at the installation intervals; the stress end is used for driving the jacking end to jack the fusible alloy temperature control piece when stressed, and the jacking sleeve jacks the rotating end. A window closer comprises the fusible alloy locking assembly and a window sash, and the mounting shell is mounted on the window sash. The utility model discloses can prevent that fusible alloy from taking place deformation under normal conditions.
Description
Technical Field
The utility model relates to a fire prevention window closer technical field especially relates to a fusible alloy locking subassembly and window closer.
Background
Along with the development of the building industry in China, the requirements of building doors and windows on the performance of blocking smoke and flame are high, the building doors and windows are used for preventing fire from causing serious loss, and in order to have better performance, the doors and windows are generally required to have the function of automatically closing when the fire occurs, so that the fireproof doors and windows are usually provided with a temperature control locking device.
The existing temperature control locking device mainly adopts an ejector rod made of fusible metal to prop against the rotating end of a locking piece under normal conditions to limit the rotation of the locking piece, so that the locking piece cannot act and is locked in a locking port of a window frame under normal conditions, but under the condition of temperature rise, the fusible metal is heated and melted to lose the limiting effect on the locking piece, so that the locking piece can rotate, a window sash is enabled to act in a locking manner, and the fireproof function is realized.
The fusible alloy is generally called low-melting point alloy, and mainly comprises two types of eutectic type and non-eutectic type, wherein the melting temperature of the eutectic type is a definite value, and the melting temperature of the non-eutectic type is a temperature zone (68-70 ℃). The method is distinguished by (1) eutectic alloys having a defined melting point (called eutectic temperature) (2) non-eutectic alloys having a melting temperature within a temperature range such that when the alloy is usedMust ensure Determined loss of strengthOperating temperature of, i.e. so-called"yield temperature". The materials selected from non-eutectic alloys may be presentMust determine the loss Strength of removalOperating temperature of, i.e. so-calledThe "yield temperature",i.e. the strength of the fusible alloy material is not enough, and the whole is softer。
However, since the fusible alloy is easily deformed under long-term pressing, the window closing device is started in a case of failure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a fusible alloy locking assembly, which can prevent the fusible alloy from deforming under normal conditions.
A second object of the present invention is to provide a window closer, which has an easily-fusible alloy locking assembly that is not easily deformed.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a fusible alloy locking assembly comprises a mounting shell, a sliding block and a locking piece, wherein the sliding block is mounted in the mounting shell and can slide along the mounting shell; the locking piece is rotatably arranged on the sliding block; one end of the locking piece is formed into a rotating end, and the other end of the locking piece is formed into a locking end; the locking end is used for being withdrawn from a locking port of the mounting shell to unlock when the rotating end rotates; the fusible alloy locking assembly also comprises a fusible alloy temperature control mechanism;
the fusible alloy temperature control mechanism comprises a fusible alloy temperature control part, a thimble and a thimble sleeve, and one end of the thimble sleeve is used for jacking the rotating end to limit the rotating end to rotate; one end of the thimble is formed into a stress end, the other end of the thimble is formed into a jacking end, and the jacking end is penetrated in the thimble sleeve and forms an installation interval with the inner wall of the thimble sleeve at intervals; the fusible alloy temperature control part is arranged at the installation interval; the stress end is used for driving the jacking end to jack the fusible alloy temperature control part when stressed, and the jacking needle sleeve jacks the rotating end.
Furthermore, the end surface of the jacking end and the end wall of the jacking needle sleeve are arranged at intervals to form the installation interval; the outer side wall of the jacking end and the inner side wall of the jacking needle sleeve form a flowing gap at intervals.
Furthermore, the outer surface of one end of the thimble sleeve far away from the top end is a conical surface.
Furthermore, the stress end is provided with a first thread section, a second thread section is arranged in the sliding block, and the first thread section is in thread fit with the second thread section.
Furthermore, an elastic component is arranged in the mounting shell and clamped between the stress end and the end wall of the shell; the elastic component is used for providing an elastic stress applied to the stress end.
Further, the elastic component comprises a first spring and a second spring, the first spring is connected in the second spring in a penetrating mode, and the first spring and the second spring are used for applying force to the force bearing end.
The second purpose of the utility model is realized by adopting the following technical scheme:
a window closer comprises the fusible alloy locking assembly and a window sash, and the mounting shell is mounted on the window sash.
Compared with the prior art, the beneficial effects of the utility model reside in that: when the fusible alloy locking component is used, the fusible alloy temperature control component is assembled in an installation interval between the thimble sleeve and the thimble, and the installation interval is matched with the fusible alloy temperature control component, so that the fusible alloy temperature control component is in a solid state, even if stressed, the deformation of the fusible alloy temperature control component is limited by the installation interval, and the fusible alloy temperature control component cannot deform, so that the fusible alloy locking component can still keep an effective use state when stressed for a long time.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the fusible alloy temperature control mechanism of the present invention;
fig. 4 is an enlarged structural schematic diagram of the thimble sleeve, the fusible alloy temperature control element and the thimble assembly structure of the present invention.
In the figure: 10. installing a shell; 20. a locking member; 21. a rotating end; 22. a locking end; 30. A slider; 40. a thimble sleeve; 50. a fusible alloy temperature control; 60. a thimble; 61. a first thread segment; 70. a first spring; 80. a second spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
a fusible alloy locking assembly as shown in fig. 1, 2, 3 and 4 comprises a mounting housing 10, a slider 30 and a locking member 20, wherein the slider 30 is mounted in the mounting housing 10, and the slider 30 can slide along the mounting housing 10. The locking member 20 is rotatably installed on the slider 30, one end of the locking member 20 is formed as a rotation end 21, and the other end of the locking member 20 is formed as a locking end 22, and the locking end 22 can be withdrawn from the locking opening of the installation case 10 to be unlocked when the rotation end 21 is rotated.
Specifically, the fusible alloy locking assembly in this embodiment further includes a fusible alloy temperature control mechanism, the fusible alloy temperature control mechanism includes a fusible alloy temperature control element 50, a thimble 60, and a thimble sleeve 40, and one end of the thimble sleeve 40 is used for being jacked to the rotation end 21 to limit the rotation end 21 to rotate. One end of the thimble 60 is formed as a stressed end, the other end of the thimble 60 is formed as a jacking end, the jacking end is connected in the thimble sleeve 40 in a penetrating manner, the jacking end is connected at the end part of the thimble sleeve 40 in a penetrating manner and can form an installation interval with the inner wall of the thimble sleeve 40 at intervals, and the fusible alloy temperature control element 50 can be installed at the installation interval. In addition, the stressed end can drive the top pressure end to press the fusible alloy temperature control element 50 when stressed, so that the needle sleeve is pressed to the rotating end 21.
On the basis of the structure, use the utility model discloses a during fusible alloy locking subassembly, can install installation shell 10 on using the firebreak device at door and window, install the casing promptly as the door and window frame, when normal use state, thimble 60's stress end can keep being close to the trend that thimble cover 40 moved under the exogenic action, thimble 60's roof pressure end can the roof pressure on the fusible alloy temperature control spare 50 in thimble cover 40, and then make thimble cover 40 support the top at the rotation end 21 of locking piece 20, the locking end holding lock of locking piece this moment is in the fore shaft of installation shell, therefore whole slider keeps motionless condition, the casement connecting rod that articulates on the slider of door and window frame (installation shell) alright rotate with normal relative door and window frame, the door and window fan is normally opened and closed. When a fire disaster occurs, the fusible alloy temperature control element 50 can be melted at a high temperature, so that a certain interval is formed between the top pressure end of the thimble 60 and the thimble sleeve 40, the thimble sleeve 40 loses the top pressure, the rotating end 21 can rotate to drive the locking end 22 to be far away from the locking opening of the mounting shell, at the moment, the thimble continues to be pushed by external force to slide in the door and window frame (mounting shell), and then the door and window sash hinged with the thimble is driven to be closed, so that the fireproof effect is achieved.
Therefore in order to solve the rigidity problem of the fusible alloy in use, the fusible alloy is placed into the thimble sleeve (the cavity is filled up) according to the scheme, when the thimble extrudes the fusible alloy, no gap exists between the fusible alloy and the inner cavity of the thimble sleeve, the deformation problem does not exist, the fusible alloy is dissolved only when the thimble is heated to reach the melting point, the thimble extrudes the thimble sleeve, and the alloy which is melted into a liquid state is discharged, so that the smooth reaction of the temperature control mechanism is ensured.
It should be noted that, since the fusible alloy temperature control element 50 is assembled in the installation space between the thimble sleeve 40 and the thimble 60 during use, and the installation space is matched with the fusible alloy temperature control element, even if the fusible alloy temperature control element is in a solid state, the deformation of the fusible alloy temperature control element is limited by the installation space even if the fusible alloy temperature control element is stressed, so that the fusible alloy temperature control element cannot be deformed, and the fusible alloy locking assembly can still keep an effective use state even if the fusible alloy locking assembly is stressed for a long time.
Of course, the fusible alloy temperature control 50 can be implemented by using a fusible alloy that is easily melted at a high temperature in the prior art.
Specifically, in the present embodiment, the end surface of the pressing end and the end wall of the thimble sleeve are spaced apart to form the above-mentioned installation space, and the outer side wall of the pressing end and the inner side wall of the thimble sleeve 40 are spaced apart to form the flow gap. Namely, the fusible alloy temperature control element 50 can be assembled between the end surface of the jacking end and the end wall of the jacking needle sleeve, the stress is on the end part, and the jacking structure is more stable. The flowing interval between the outer side wall of the top pressing end and the inner side wall of the top needle sleeve can facilitate the fusible alloy temperature control element 50 to flow out through the flowing interval after being melted, so that the top needle sleeve 40 and the top pressing end have a movable interval.
Furthermore, the outer surface of one end of the thimble sleeve 40, which is far away from the top end, is a conical surface, and the conical surface can be in sliding contact with the rotating end 21, so that the rotating end 21 can decompose a transverse force into a longitudinal force in the rotating process to push the thimble sleeve to be far away from the rotating end 21, the rotating process is smoother, and the blocking condition is reduced.
Further, a first thread section 61 can be further arranged at the stress end, a second thread section is arranged in the sliding block 30, the first thread section 61 is in thread fit with the second thread section, namely the first thread section 61 and the second thread section are in thread fit and rotate by rotating the ejector pin 60, the relative position between the ejector pin 60 and the ejector pin sleeve 40 can be adjusted, the ejecting distance and the ejecting pressure between the ejector pin sleeve 40 and the rotating end 21 can be adjusted, and the adjustment can be specifically carried out according to actual requirements.
Specifically, in the embodiment, an elastic component may be disposed in the mounting casing 10, the elastic component may be clamped between the force receiving end and the casing end wall, the elastic component may provide an elastic stress, the elastic stress may be applied to the force receiving end to drive the force receiving end to press against the thimble sleeve 40, and the normal use state is maintained, that is, the thimble sleeve 40 is abutted to the rotation end 21 by using the elastic stress, instead of a hard force, so that the thimble sleeve 40 may move towards the thimble 60 in time after the fusible alloy temperature control element 50 is melted, and is released from the rotation end 21, the rotation end rotates to drive the locking end to exit from the lock opening of the mounting casing, and the slider may slide to close the door and window sash. Further, the elastic component includes a first spring 70 and a second spring 80, the first spring 70 is connected in the second spring 80 in a penetrating manner, and the first spring 70 and the second spring 80 can apply force to the force-receiving end, so that the elastic stress provided by the two springs is larger, that is, the first spring 70 and the second spring 80 are not easily compressed, the pressing state can be stably maintained, and the using state is more stable.
The embodiment also provides a window closer, which comprises the fusible alloy locking assembly and a window sash, and the mounting shell 10 is mounted on a door and window frame. It should be noted that the detailed structure and the operation principle of the fusible alloy locking assembly have already been described in detail above, and are not described in detail herein.
The installation shell 10 can be installed on a fireproof device applied to doors and windows, namely the installation shell is used as a door and window frame, when the installation shell is in a normal use state, the stress end of the thimble 60 can keep a trend of moving close to the thimble sleeve 40 under the action of external force, the jacking end of the thimble 60 can be jacked on the fusible alloy temperature control element 50 in the thimble sleeve 40, so that the thimble sleeve 40 is jacked on the rotating end 21 of the locking piece 20, the locking end of the locking piece is kept locked in the locking opening of the installation shell at the moment, the whole sliding block keeps a stationary condition, a window sash connecting rod hinged on a sliding block of the door and window frame (the installation shell) can normally rotate relative to the door and window frame, and a door and window sash is normally opened and closed.
When a fire disaster occurs, the fusible alloy temperature control element 50 can be melted at a high temperature, so that a certain interval is formed between the top pressure end of the thimble 60 and the thimble sleeve 40, the thimble sleeve 40 loses the top pressure, the rotating end 21 can rotate to drive the locking end 22 to be far away from the locking opening of the mounting shell, at the moment, the thimble continues to be pushed by external force to slide in the door and window frame (mounting shell), and then the door and window sash hinged with the thimble is driven to be closed, so that the fireproof effect is achieved.
Therefore in order to solve the rigidity problem of the fusible alloy in use, the fusible alloy is placed into the thimble sleeve (the cavity is filled up) according to the scheme, when the thimble extrudes the fusible alloy, no gap exists between the fusible alloy and the inner cavity of the thimble sleeve, the deformation problem does not exist, the fusible alloy is dissolved only when the thimble is heated to reach the melting point, the thimble extrudes the thimble sleeve, and the alloy which is melted into a liquid state is discharged, so that the smooth reaction of the temperature control mechanism is ensured.
It should be noted that, since the fusible alloy temperature control element 50 is mounted in the mounting space between the thimble sleeve 40 and the thimble 60 during use, and the mounting space is matched with the fusible alloy temperature control element, even if the fusible alloy temperature control element is in a solid state, the deformation of the fusible alloy temperature control element is limited by the mounting space, so that the fusible alloy temperature control element is not deformed, and the fusible alloy locking assembly can still be in an effective use state after being stressed for a long time.
Of course, the fusible alloy temperature control 50 can be implemented by using a fusible alloy that is easily melted at a high temperature in the prior art.
Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims.
Claims (7)
1. A fusible alloy locking assembly comprises a mounting shell, a sliding block and a locking piece, wherein the sliding block is mounted in the mounting shell and can slide along the mounting shell; the locking piece is rotatably arranged on the sliding block; one end of the locking piece is formed into a rotating end, and the other end of the locking piece is formed into a locking end; the locking end is used for being withdrawn from a locking port of the mounting shell to unlock when the rotating end rotates; the fusible alloy locking assembly is characterized by further comprising a fusible alloy temperature control mechanism;
the fusible alloy temperature control mechanism comprises a fusible alloy temperature control part, a thimble and a thimble sleeve, and one end of the thimble sleeve is used for jacking and pressing the rotating end to limit the rotating end to rotate; one end of the thimble is formed into a stress end, the other end of the thimble is formed into a jacking end, and the jacking end is connected in the thimble sleeve in a penetrating manner and forms an installation interval with the inner wall of the thimble sleeve at intervals; the fusible alloy temperature control part is arranged at the installation interval; the stress end is used for driving the jacking end to jack the fusible alloy temperature control piece when stressed, and the jacking needle sleeve jacks the rotating end.
2. The fusible alloy locking assembly of claim 1, wherein the end surface of the top pressure end is spaced from the end wall of the top sleeve and forms the mounting space; the outer side wall of the jacking end and the inner side wall of the jacking needle sleeve form a flowing gap at intervals.
3. The fusible alloy locking assembly of claim 1, wherein an outer surface of the end of the thimble sleeve remote from the tip is conical.
4. The fusible alloy locking assembly of any one of claims 1-3, wherein the force bearing end is provided with a first threaded section and the slider is provided with a second threaded section, the first threaded section being in threaded engagement with the second threaded section.
5. The fusible alloy locking assembly of claim 4, wherein a resilient member is disposed within the mounting housing, the resilient member being captured between the force bearing end and the housing end wall; the elastic component is used for providing an elastic stress applied to the stress end.
6. The fusible alloy locking assembly of claim 5, wherein the resilient member comprises a first spring and a second spring, the first spring being threaded into the second spring, the first spring and the second spring being adapted to apply a force to the force-bearing end.
7. A window closer comprising the fusible alloy latch assembly of claim 1 and a sash to which the mounting housing is mounted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927831 | 2021-11-25 | ||
| CN2021229278311 | 2021-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217581716U true CN217581716U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220339420.2U Active CN217581716U (en) | 2021-11-25 | 2022-02-18 | Fusible alloy locking assembly and window closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217581716U (en) |
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2022
- 2022-02-18 CN CN202220339420.2U patent/CN217581716U/en active Active
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