CN220667300U - Door and window closer - Google Patents
Door and window closer Download PDFInfo
- Publication number
- CN220667300U CN220667300U CN202321812693.5U CN202321812693U CN220667300U CN 220667300 U CN220667300 U CN 220667300U CN 202321812693 U CN202321812693 U CN 202321812693U CN 220667300 U CN220667300 U CN 220667300U
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- CN
- China
- Prior art keywords
- movable block
- shell
- door
- spring
- baffle
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Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 52
- 239000011521 glass Substances 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Wing Frames And Configurations (AREA)
Abstract
A door and window closer comprises a shell, a movable block, a spring and a connecting arm; the shell comprises a first end and a second end, and a first limiting part is arranged on the shell; the movable block is arranged in the shell and can slide along the length direction of the shell, a baffle, a temperature-sensing glass ball and a pressing piece are arranged in the movable block, a concave position is arranged on the movable block, one side of the concave position, which is close to the first end, forms a supporting surface, one side of the baffle is propped against the supporting surface, one end of the temperature-sensing glass ball is connected with the other side of the baffle and is pressed on the baffle, the pressing piece is in threaded connection with the movable block and is pressed on the other end of the temperature-sensing glass ball, a second limiting part is arranged on the baffle, and the second limiting part is matched with the first limiting part to form a limiting mechanism; the spring is arranged in the shell, one end of the spring is propped against the second end, and the other end of the spring is propped against the movable block; one end of the connecting arm is pivoted on the shell, and the end of the connecting arm is linked with the movable block. The utility model improves the stability of the door and window closer and avoids the failure of the door and window closer.
Description
Technical Field
The utility model relates to the technical field of doors and windows, in particular to a door and window closer.
Background
The traditional door and window is usually opened and closed by people, and when a fire disaster occurs, the traditional door and window is difficult to effectively isolate a fire source due to the fact that the traditional door and window cannot be automatically closed, and the safety is low. In order to enable the door and window to be automatically closed when a fire disaster occurs, doors and windows installed in some public places are usually provided with a closer, and the door and window are normally in an open state, and when the fire disaster occurs, the fire condition is sensed through an induction element on the closer, so that the door and window are automatically closed; at present, a relatively stable door and window closer generally adopts a temperature-sensing glass ball as an induction element, and in a normal state, a limiting part is supported by the temperature-sensing glass ball, so that a movable block and a shell of the closer are kept relatively fixed, when a fire disaster occurs, the temperature rises, the glass ball is broken, the limiting part is not supported by the temperature-sensing glass ball any more, and the limiting effect between the movable block and the shell of the closer is invalid, at the moment, a spring in the closer can push the movable block to move, and then a door plate or a window sash is driven to rotate, so that the aim of automatically closing the door is fulfilled; when the closer is assembled, the position of the temperature sensing glass ball cannot be adjusted, so that the temperature sensing glass ball cannot sufficiently compress the limiting component, the limiting component is easy to loosen, then the limiting component is loose, the movable block and the shell cannot be well limited, the stability of the door and window closer is poor, and even the door and window closer fails.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a door and window closer with better stability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a door and window closer comprises a shell, a movable block, a spring and a connecting arm;
the shell is of a hollow strip-shaped structure and comprises a first end and a second end opposite to the first end, and a first limiting part is arranged on the shell;
the movable block is arranged in the shell and can slide along the length direction of the shell, a baffle plate, a temperature-sensing glass ball and a pressing piece are arranged in the movable block, a concave position is arranged on the movable block, one side of the concave position, which is close to the first end, forms a supporting surface, one side of the baffle plate is propped against the supporting surface, one end of the temperature-sensing glass ball is connected with the other side of the baffle plate and is pressed on the baffle plate, the pressing piece is in threaded connection with the movable block and is pressed on the other end of the temperature-sensing glass ball, a second limiting part is arranged on the baffle plate, and the second limiting part is matched with the first limiting part to form a limiting mechanism which is used for limiting the movable block to move towards the first end;
the spring is arranged in the shell, one end of the spring is propped against the second end, and the other end of the spring is propped against the movable block;
one end of the connecting arm is pivoted on the shell, the one end of the connecting arm is linked with the movable block, and the movable block drives the one end of the connecting arm to rotate relative to the shell when moving towards the first end.
The shell is provided with a through groove, the end wall of the through groove, which is close to the first end, forms a first limiting part, the baffle is provided with a part penetrating into the through groove, and the part penetrating into the through groove on the baffle forms a second limiting part and is abutted to the first limiting part.
The movable block is provided with a threaded hole, the extending direction of the threaded hole is consistent with the length direction of the shell, one end of the threaded hole extends to the end face, close to the second end, of the movable block to form an opening, the pressing piece is a bolt, and the bolt penetrates into the threaded hole from the opening and is in threaded fit with the threaded hole.
The shell is a square tube, plugs are fixed at the first end and the second end, one end of the spring is propped against the plug fixed at the second end, and the other end is propped against the movable block.
One side of the concave position close to the second end forms an avoidance space.
One end of the connecting arm is provided with a gear, the movable block is fixedly provided with a linkage plate, the linkage plate is provided with a plurality of tooth grooves which are arranged along the length direction of the shell, and the protrusions on the gear are meshed with the tooth grooves.
The utility model has the beneficial effects that:
according to the door and window closer disclosed by the utility model, the pressing piece is in threaded connection with the movable block, the pressing piece can be rotated to adjust the pressing degree of the temperature-sensing glass ball, so that the temperature-sensing glass ball is ensured to be clamped between the baffle and the pressing piece, the second limiting part on the baffle is prevented from being stably matched with the first limiting part on the shell, the stability of the door and window closer is improved, and the failure of the door and window closer is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the movable block in FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic view of an operating state of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description:
as shown in fig. 1, 2, 3 and 4, the door and window closer of the present utility model comprises a housing 10, a movable block 30, a spring 40 and a connecting arm 30, wherein the housing 10 has a hollow elongated structure, preferably, the housing 10 can be made of a metal square tube and comprises a first end 101 and a second end 102 opposite to the first end 101; the movable block 20 is mounted inside the housing 10 so as to be slidable along the length direction of the housing 10, and at least, the movable block 20 is movable in the length direction of the housing 10 toward the first end 101 after being mounted inside the housing 10. The movable block 20 is internally provided with a baffle 23, a temperature-sensing glass ball 22 and a pressing piece 25, the movable block 20 is a strip-shaped member with a square cross section, a concave position 201 is arranged on the movable block 20, the concave position 201 is approximately positioned at the middle position of the length direction of the movable block 20, one side of the concave position 201, which is close to the first end 101, forms a supporting surface 202, the baffle 23 is transversely arranged in the concave position 201, one side of the baffle 23 is propped against the supporting surface 202, the pressing piece 25 is screwed on the movable block 20, the temperature-sensing glass ball 22 is arranged between the baffle 23 and the pressing piece 25, specifically, one end of the temperature-sensing glass ball 22 is connected to the side, which is away from the supporting surface 202, of the baffle 22, and the pressing piece 25 is pressed on the other end of the temperature-sensing glass ball 22 after being screwed on the movable block 20, so that, under the cooperation of the supporting surface 202, the temperature-sensing glass ball 22 is clamped by the baffle 22 and the pressing piece 25, the other end of the pressing piece 25 is sufficiently pressed against the temperature-sensing glass ball 22 by rotating the pressing piece 25, and the supporting surface 202 is fixed by the pressing the baffle 23. The above-mentioned casing 10 is provided with a first limiting portion, the baffle 23 is provided with a second limiting portion, and the first limiting portion and the second limiting portion cooperate with each other to form a limiting mechanism, and the limiting mechanism is used for limiting the movement of the movable block 20 towards the first end 101. The spring 40 is arranged in the shell 10, one end of the spring 40 is propped against the second end 102, the other end of the spring is propped against the movable block 20, and the spring 40 is in a compressed state and can always provide an elastic stress pushing the movable block 20 towards the first end 101; one end of the connecting arm 30 is pivoted on the housing 10, and the one end of the connecting arm 30 is linked with the movable block 20, and when the movable block 20 moves towards the first end 101, the movable block 20 can drive the connecting arm 30 to rotate relative to the housing 10.
Referring to fig. 3, in the normal state of the present utility model, the baffle plate 23 is supported by the temperature sensing glass ball 22, and the limiting mechanism formed by the second limiting portion and the first limiting portion on the baffle plate 23 limits the degree of freedom of movement of the movable block 20 relative to the housing 10, and the elastic stress of the spring 40 cannot push the movable block 20 to move towards the first end 101; when a fire occurs, the temperature-sensing glass ball 22 is broken due to the rise of the ambient temperature, at this time, the baffle plate 23 is not supported by the temperature-sensing glass ball 22 any more, the baffle plate 23 is inclined, the limiting mechanism fails, the elastic stress of the spring 40 is released, and then the movable block 20 is pushed to move towards the first end 101, and when the movable block 20 moves, the movable block can drive the connecting arm 30 to rotate, the other end of the connecting arm 30 is connected with a door leaf or a door plate, namely, when the connecting arm 30 rotates, the door leaf and the door plate are driven to be closed.
According to the door and window closer disclosed by the utility model, the pressing piece is in threaded connection with the movable block, the pressing piece can be rotated to adjust the pressing degree of the temperature-sensing glass ball, so that the temperature-sensing glass ball is ensured to be clamped between the baffle and the pressing piece, the second limiting part on the baffle is prevented from being stably matched with the first limiting part on the shell, the stability of the door and window closer is improved, and the failure of the door and window closer is prevented.
In the preferred embodiment, the housing 10 is provided with a through slot 11, the through slot 11 is adjacent to the end wall 111 of the first end 101 to form a first limiting portion, the edge of the baffle 23 extends from the recess 201 and penetrates into the through slot 11 after being placed in the recess 201 of the movable block 20, and the edge 231 of the baffle 23 abuts against the end wall 111 to form the second limiting portion after penetrating into the through slot 11. Referring to fig. 4, after the temperature sensing glass ball 22 is broken, the baffle 23 may be tilted rightward, so that the edge 231 is received in the recess 201, i.e. the edge 231 is separated from the through groove 11.
The movable block 20 is provided with a threaded hole 24, the extending direction of the threaded hole 24 is consistent with the length direction of the casing 10, one end of the threaded hole 24 extends to the end face of the movable block 20, which is close to the second end 102, and an opening is formed, the pressing piece 25 is a bolt, the bolt penetrates into the threaded hole 24 from the opening of the threaded hole 24 and is in threaded fit with the threaded hole 24, and when the bolt is screwed, the bolt can be made to press the temperature sensing glass ball towards the direction of the first end 101.
Plugs are fixed to both the first end 101 and the second end 102 of the housing 10, wherein after the spring 40 is placed in the housing 10, one end of the spring abuts against the plug fixed to the second end 102, and the other end abuts against the end face of the movable block 20 facing the second end 102. The housing 10 is not necessarily a square tube, and may be a pipe member having a circular cross section or another shape, or may be a hollow long member.
In other embodiments, an avoidance space 203 is formed on a side of the concave portion 201 near the second end 102, where the avoidance space 203 is used to accommodate the broken temperature-sensing glass ball 22, as shown in fig. 4, after the temperature-sensing glass ball 22 is broken, the slag is accommodated in the avoidance space 203, so as to avoid the slag blocking baffle 23 from tilting rightwards, thereby ensuring stable and rapid failure of the limiting function of the limiting mechanism formed by the second limiting portion and the first limiting portion when a fire occurs, and improving safety.
According to the utility model, one end of a connecting arm 30 is provided with a gear 31, a movable block 20 is fixedly provided with a linkage plate 21, the linkage plate 21 extends along the length direction of a shell 10, the linkage plate 21 is provided with a plurality of tooth grooves which are arranged along the length direction of the shell 10, convex teeth on the gear 31 are meshed with the tooth grooves on the linkage plate 21, and when a temperature sensing glass ball is broken, the limiting function of a limiting mechanism fails, the elastic stress of a spring 40 is released, the spring 40 pushes the movable block 20 and the linkage plate 21 towards the direction close to a first end 101, and then the linkage plate 21 drives the gear 31 to rotate, so that the connecting arm 30 is driven to rotate, and finally a door plate or a window sash is closed.
The foregoing is merely a preferred embodiment of the utility model, which has been described in further detail in connection with specific preferred embodiments thereof, and it is not intended that the utility model be limited to these embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The door and window closer is characterized by comprising a shell, a movable block, a spring and a connecting arm;
the shell is of a hollow strip-shaped structure and comprises a first end and a second end opposite to the first end, and a first limiting part is arranged on the shell;
the movable block is arranged in the shell and can slide along the length direction of the shell, a baffle plate, a temperature-sensing glass ball and a pressing piece are arranged in the movable block, a concave position is arranged on the movable block, one side of the concave position, which is close to the first end, forms a supporting surface, one side of the baffle plate is propped against the supporting surface, one end of the temperature-sensing glass ball is connected with the other side of the baffle plate and is pressed on the baffle plate, the pressing piece is in threaded connection with the movable block and is pressed on the other end of the temperature-sensing glass ball, a second limiting part is arranged on the baffle plate, and the second limiting part is matched with the first limiting part to form a limiting mechanism which is used for limiting the movable block to move towards the first end;
the spring is arranged in the shell, one end of the spring is propped against the second end, and the other end of the spring is propped against the movable block;
one end of the connecting arm is pivoted on the shell, the one end of the connecting arm is linked with the movable block, and the movable block drives the one end of the connecting arm to rotate relative to the shell when moving towards the first end.
2. The door and window closer of claim 1, wherein the housing is provided with a through slot, the end wall of the through slot adjacent to the first end forms a first limiting portion, the baffle is provided with a portion penetrating the through slot, and the portion penetrating the through slot on the baffle forms a second limiting portion and abuts against the first limiting portion.
3. The door and window closer of claim 1, wherein the movable block is provided with a threaded hole, the extending direction of the threaded hole is consistent with the length direction of the housing, one end of the threaded hole extends to the end face of the movable block, which is close to the second end, to form an opening, and the pressing member is a bolt, and the bolt penetrates the threaded hole from the opening and is in threaded fit with the threaded hole.
4. The door and window closer of claim 1, wherein the housing is a square tube, plugs are fixed at both the first end and the second end, one end of the spring is abutted against the plug fixed at the second end, and the other end is abutted against the movable block.
5. The door and window closer of claim 1, wherein the recess defines a relief space on a side of the recess proximate the second end.
6. The door and window closer according to claim 1, wherein a gear is provided at one end of the connecting arm, a linkage plate is fixed to the movable block, a plurality of tooth grooves are provided on the linkage plate along a length direction of the housing, and protrusions on the gear are engaged with the tooth grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812693.5U CN220667300U (en) | 2023-07-10 | 2023-07-10 | Door and window closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321812693.5U CN220667300U (en) | 2023-07-10 | 2023-07-10 | Door and window closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667300U true CN220667300U (en) | 2024-03-26 |
Family
ID=90341739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321812693.5U Active CN220667300U (en) | 2023-07-10 | 2023-07-10 | Door and window closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667300U (en) |
-
2023
- 2023-07-10 CN CN202321812693.5U patent/CN220667300U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |