CN212249638U - Window closer - Google Patents

Abstract

The utility model relates to a window closer, which comprises a main body component, a telescopic component connected with the main body component and a fireproof component connected with the telescopic component; the main body assembly comprises a shell, a gear pivoted in the shell, a first rack meshed with the gear, a first elastic piece connected with the first rack, a pressing piece connected with the first elastic piece, and an adjusting rod connected with the pressing piece; the telescopic assembly is fixedly connected with the gear; the fireproof component comprises a sliding block pivoted with the telescopic component, a sliding rail connected with the sliding block, a stop block clamped on the sliding rail and a temperature sensing piece respectively connected with the sliding block and the stop block; the stop block is abutted against the slide block, and the temperature sensing piece is used for fixing the stop block on the slide block. Above-mentioned window closer corresponds through setting up the regulation pole and promotes the preforming to adjust the length dimension of first elastic component, and then effectively adjust window closer at the course of the work, the required strength size of overcoming first elastic component, and then guarantee that the weaker crowd of strength still can easily rotate the operation of opening and shutting to the window.

Description

Window closer

Technical Field

The utility model relates to a technical field is connected to the casement, especially relates to a window closer.

Background

The window closer is correspondingly arranged between the window frame and the window and is used for realizing the rotary opening and closing operation between the window and the window frame; when a fire disaster occurs, the window needs to be closed as soon as possible, so that the spread of the fire is prevented, the transmission of high temperature is reduced, the development of the fire disaster is effectively controlled, and the fire disaster and personnel are relatively separated into valuable time for rescue; the window closer is used for automatically closing a window in case of fire to improve safety.

The window is at the in-process of rotatory operation that opens and shuts, need overcome the deformation of closing the window ware, so need certain strength just can realize the rotatory operation that opens and shuts of window, consequently to the difficult operation that opens and shuts to the window of children that the strength is weak or old person, influence customer experience.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a window closer to solve the problem that the force required for opening and closing the window is large, which makes it difficult for people with weak force to operate.

A window closer comprising:

the main body assembly comprises a shell, a gear, a first rack, a first elastic piece, a pressing piece and an adjusting rod, wherein the gear is pivoted in the shell, the first rack is meshed with the gear, the first elastic piece is connected with the first rack, the pressing piece is connected with the first elastic piece, and the adjusting rod is connected with the pressing piece;

the telescopic assembly is connected with the main body assembly and fixedly connected with the gear; and

the fireproof assembly is connected with the telescopic assembly and comprises a sliding block pivoted with the telescopic assembly, a sliding rail connected with the sliding block, a stop block clamped on the sliding rail and a temperature sensing piece respectively connected with the sliding block and the stop block; the stop block is abutted against the slide block, and the temperature sensing piece is used for fixing the stop block on the slide block.

Above-mentioned window closer corresponds through setting up the regulation pole and promotes the preforming to adjust the length dimension of first elastic component, and then effectively adjust window closer at the course of the work, the required strength size of overcoming first elastic component, and then guarantee that the weaker crowd of strength still can easily rotate the operation of opening and shutting to the window.

In one embodiment, the first rack is slidably disposed in the housing; the first rack comprises an engaging part, a connecting part and an installation part, the engaging part corresponds to the gear, and the installation part is connected with the first elastic part.

In one embodiment, the engaging portion is perpendicular to the direction of the connecting portion, and the mounting portion is cylindrical and extends from the connecting portion in a direction away from the gear.

In one embodiment, the first elastic member is spirally arranged around the outer side of the mounting portion, and two ends of the first elastic member respectively abut against the connecting portion and the pressing sheet.

In one embodiment, the adjusting rod extends in a cylindrical shape, the direction of the adjusting rod is the same as the direction of the first elastic member, the adjusting rod is in threaded connection with the shell, and one end of the adjusting rod inserted into the shell is abutted against the pressing sheet.

In one embodiment, the main body assembly further comprises a second rack and a second elastic piece elastically supported between the second rack and the shell; the second rack and the first rack are oppositely arranged on two sides of the gear.

In one embodiment, the second rack and the first rack are symmetrical with respect to the center of the gear, the second elastic member is disposed at an end of the second rack opposite to the first rack, and the second elastic member is spirally disposed around the second rack.

In one embodiment, the telescopic assembly comprises an inserted link fixedly connected with the gear, an ejector block connected with the inserted link, a sleeve rod sleeved outside the inserted link, and a ratchet wheel pivoted in the sleeve rod; the inserted bar corresponds the one end of kicking block is provided with the trompil, the loop bar corresponds the one end of ratchet is provided with the card hole, the trompil with the card hole corresponds the setting.

In one embodiment, the top block is arranged at one end of the inserted link close to the loop bar, and the ratchet wheel is arranged at one end of the loop bar close to the inserted link; the ejector block is provided with a tip, an ejector groove is correspondingly formed in the ratchet wheel, and the tip and the ejector groove are correspondingly arranged to adjust the angle of the ratchet wheel relative to the loop bar.

In one embodiment, one end of the temperature sensing element is sequentially penetrated through the stop block and the sliding block; and a support piece is arranged at one end of the temperature sensing piece, which is back to the stop block, and the temperature sensing piece is pressed on the sliding block by the support piece.

Drawings

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

FIG. 2 is an exploded view of the body assembly;

FIG. 3 is an exploded view of the telescoping assembly;

FIG. 4 is an exploded view of the fire protection assembly.

The reference numbers in the drawings have the meanings given below:

100. a window closer;

10. a body assembly; 11. a housing; 12. a gear; 125. a fixed block; 13. a first rack; 131. an engaging portion; 132. a connecting portion; 133. an installation part; 14. a first elastic member; 15. tabletting; 16. adjusting a rod; 17. a second rack; 18. a second elastic member;

20. a telescoping assembly; 30. inserting a rod; 35. opening a hole; 40. a top block; 45. a tip; 50. a loop bar; 55. a clamping hole; 60. a ratchet wheel; 65. a top groove;

70. a fire protection assembly; 71. a slider; 72. a slide rail; 73. a stopper; 74. a temperature sensing member; 75. and a support member.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 4, a window closer 100 according to an embodiment of the present invention includes a main body assembly 10, a telescopic assembly 20 connected to the main body assembly 10, and a fire-proof assembly 70 connected to the telescopic assembly 20; the window closer 100 is correspondingly arranged between the window and the window frame, so that the window and the window frame can be rotated to open and close, when a fire disaster happens, the window closer 100 can automatically close the window, the heat transfer rate is reduced, and the survival probability is improved.

The main body assembly 10 is horizontally arranged, the main body assembly 10 is correspondingly arranged on a window, and the main body assembly 10 rotates along with the rotation of the window; the main body assembly 10 includes a housing 11, a gear 12 pivoted in the housing 11, a first rack 13 engaged with the gear 12, a first elastic member 14 connected to the first rack 13, a pressing plate 15 connected to the first elastic member 14, and an adjusting lever 16 connected to the pressing plate 15.

The housing 11 is a hollow structure and extends horizontally, the housing 11 is correspondingly connected and fixed with a window, and the housing 11 extends in a substantially strip shape; the gear 12 is arranged in the housing 11 in a circular cylindrical structure, the gear 12 is correspondingly pivoted in the housing 11, and the gear 12 can rotate relative to the housing 11; the first rack 13 is correspondingly arranged on one side of the gear 12, the first rack 13 is meshed with the gear 12, the first rack 13 is slidably arranged in the shell 11 along the horizontal direction, and the rotation of the gear 12 correspondingly drives the first rack 13 to move along the horizontal direction; the first elastic member 14 extends spirally along the horizontal direction, the installation direction of the first elastic member 14 is the same as the installation direction of the first rack 13, and the first elastic member 14 is used for elastically installing the first rack 13 in the housing 11. In this embodiment, the gear 12 is provided with a fixing block 125; the fixing block 125 is rectangular and disposed on the top of the gear 12, the fixing block 125 correspondingly penetrates through the housing 11, and the fixing block 125 is used for connecting with the folding assembly.

Further, the first rack 13 includes an engaging portion 131, a connecting portion 132 and a mounting portion 133; the engaging portion 131 is elongated and extends along the horizontal direction, the engaging portion 131 is correspondingly disposed on one side of the gear 12, and the engaging portion 131 and the gear 12 are engaged with each other; the connecting portion 132 is elongated and disposed along the horizontal direction, the disposing direction of the connecting portion 132 is perpendicular to the disposing direction of the engaging portion 131, the connecting portion 132 and the engaging portion are disposed in an L-shaped structure, and the connecting portion 132 is disposed between the engaging portion 131 and the mounting portion 133; the mounting portion 133 is cylindrical and extends from the connecting portion 132 to a direction away from the gear 12, the mounting portion 133 is disposed along a horizontal direction, the mounting portion 133 is correspondingly connected to the first elastic member 14, the first elastic member 14 is spirally disposed around the mounting portion 133, one end of the first elastic member 14 is abutted against the connecting portion 132, and the other end of the first elastic member is correspondingly abutted against the pressing piece 15. The pressing sheet 15 is rectangular and straight and extends along the vertical direction, the pressing sheet 15 is correspondingly and slidably arranged in the shell 11, the pressing sheet 15 is abutted with one end of the first elastic piece 14, which is back to the first rack 13, and one side of the pressing sheet 15, which is back to the first elastic piece 14, is abutted with the adjusting rod 16; the adjusting rod 16 is cylindrical and extends horizontally, one end of the adjusting rod 16 inserted into the housing 11 is abutted against the pressing sheet 15, the setting direction of the adjusting rod 16 is the same as the setting direction of the first elastic member 14, the adjusting rod 16 is correspondingly in threaded connection with the housing 11, the position of the pressing sheet 15 in the housing 11 is adjusted by rotating the adjusting rod 16, the length of the first elastic member 14 is further adjusted, and the pressure applied to the first rack 13 by the first elastic member 14 is further adjusted.

The main body assembly 10 further includes a second rack 17, and a second elastic member 18 elastically supported between the second rack 17 and the housing 11. The second rack 17 and the first rack 13 are oppositely arranged at two sides of the gear 12, the second rack 17 is arranged in the shell 11 in a sliding manner along the horizontal direction, the second rack 17 is meshed with the gear 12, the structural shape of the second rack 17 is the same as that of the first rack 13, the second rack 17 and the first rack 13 are oppositely symmetrical with the center of the gear 12, and the first rack 13 and the second rack 17 are driven to move close to or depart from each other by the rotation synchronization of the gear 12; the arrangement direction of the second elastic member 18 is the same as the arrangement direction of the second rack 17, the second elastic member 18 is arranged at one end of the second rack 17, which faces away from the first rack 13, the second elastic member 18 is spirally arranged on the second rack 17 in a surrounding manner, and the second elastic member 18 is used for elastically arranging the second rack 17 in the housing 11.

The telescopic assembly 20 is correspondingly and fixedly connected with the gear 12 of the main body assembly 10, and the telescopic assembly 20 rotates to correspondingly drive the gear 12 to synchronously rotate; the telescopic assembly 20 includes an insertion rod 30 fixedly connected to the gear 12, a top block 40 connected to the insertion rod 30, a sleeve rod 50 sleeved outside the insertion rod 30, and a ratchet 60 pivoted in the sleeve rod 50. The insertion rod 30 is elongated and extends horizontally, one end of the insertion rod 30 is correspondingly connected and fixed with a fixed block 125 of the gear 12, and the fixed block 125 penetrates through the insertion rod 30; the top block 40 is arranged at one end of the insertion rod 30 opposite to the fixed block 125, the top block 40 is fixedly connected with the insertion rod 30, and one end of the insertion rod 30, which is provided with the top block 40, is correspondingly inserted into the loop bar 50; the loop bar 50 is in a long strip shape and extends along the horizontal direction, the arrangement direction of the loop bar 50 is the same as that of the inserted link 30, and the inserted link 30 is correspondingly and slidably arranged in the loop bar 50; the ratchet 60 is correspondingly arranged in the loop bar 50, the ratchet 60 is arranged at one end of the loop bar 50 close to the inserted link 30, the ratchet 60 is correspondingly embedded in the inserted link 30, and the inserted link 30 is prevented from being separated from the loop bar 50 through the ejector block 40 and the ratchet 60; furthermore, an opening 35 is formed at one end of the inserted link 30 corresponding to the top block 40, and a clamping hole 55 is formed at one end of the loop link 50 corresponding to the ratchet 60; this trompil 35 is rectangular form and extends the setting along the horizontal direction, and trompil 35 corresponds the setting in one side of inserted bar 30, and the setting position of this card hole 55 is corresponding with the setting position of trompil 35, and card hole 55 is rectangular form and extends the setting along the horizontal direction, and card hole 55 corresponds the setting in one side of trompil 35, and trompil 35 is linked together and corresponds the setting in one side of ratchet 60 with calorie hole 55 when kicking block 40 and ratchet 60 butt to guarantee that kicking block 40 can correspond and promote ratchet 60 and rotate. In this embodiment, the top block 40 is provided with a tip 45, and the ratchet 60 is provided with a top groove 65; the tip 45 extends from the top block 40 toward the ratchet 60, the top groove 65 is disposed at two ends of the ratchet 60 in an arc shape, and the tip 45 is disposed corresponding to the top groove 65 to adjust an angle of the ratchet 60 relative to the loop bar 50.

One end of the loop bar 50, which is opposite to the inserted bar 30, is correspondingly pivoted with the fireproof assembly 70, the fireproof assembly 70 is installed on the window frame along the horizontal direction, the rotation of the window relative to the window frame correspondingly drives the main body assembly 10 and the fireproof assembly 70 to move relatively, and further the connection between the main body assembly 10 and the fireproof assembly 70 is ensured through the rotation and the expansion of the expansion assembly 20; the fire-proof assembly 70 includes a slide block 71 pivotally connected to the telescopic assembly 20, a slide rail 72 connected to the slide block 71, a stopper 73 engaged with the slide rail 72, and a temperature sensing element 74 respectively connecting the slide block 71 and the stopper 73. The sliding block 71 is elongated and extends along the horizontal direction, and the sliding block 71 is correspondingly pivoted with one end of the loop bar 50, which is back to the inserted link 30; the slide rail 72 is long and extends along the horizontal direction, the top of the slide block 71 is correspondingly embedded on the slide rail 72, the slide block 71 is slidably arranged on the slide rail 72, and the slide block 71 is movably arranged along the slide rail 72; the stopper 73 is in a straight plate shape and extends along the vertical direction, the stopper 73 is correspondingly abutted against the sliding block 71, the top of the stopper 73 is correspondingly clamped with the sliding rail 72, and the stopper 73 is used for fixing the sliding block 71 on the sliding rail 72; the temperature sensing element 74 extends in the horizontal direction, a stopper 73 and a slider 71 are sequentially inserted into one end of the temperature sensing element 74, and the stopper 73 is fixed to the slider 71 by the temperature sensing element 74. In the present embodiment, the temperature sensing element 74 is a temperature sensing glass ball, the temperature sensing element 74 is provided in a hollow structure, and an expansion liquid is provided inside the temperature sensing element 74, so that when a fire occurs and the temperature rises, the expansion liquid expands to crush the temperature sensing element 74, and further, the stopper 73 is not supported, so that the stopper 73 is separated from the slider 71, and the slider 71 can move in the direction of the slide rail 72. In the present embodiment, a support 75 is disposed at an end of the temperature sensing element 74 opposite to the slider 71, the support 75 extends in a cylindrical shape in a horizontal direction, the support 75 abuts against the temperature sensing element 74, the support 75 presses the temperature sensing element 74 against the slider 71, and the support 75 is screwed with respect to the slider 71.

The operating principle of the window closer 100 in this embodiment is as follows: when the window needs to be opened, the window is pulled to enable the window to rotate relative to the window frame, so that the main body component 10 moves along with the window, the distance between the main body component 10 and the fireproof component 70 is increased, the telescopic component 20 rotates relatively, and the plug rod 30 is pulled out of the loop rod 50; the rotation of the inserted link 30 correspondingly drives the gear 12 to rotate, so that the first rack 13 and the second rack 17 move along the horizontal direction, and the first elastic element 14 and the second elastic element 18 are compressed to generate elastic deformation; the inserted link 30 moves outwards from the loop bar 50 until the top block 40 abuts against the ratchet 60, the tip 45 pushes the ratchet 60 to rotate through the top groove 65, so that the ratchet 60 is clamped into the open hole 35 and the clamping hole 55, and the ratchet 60 relatively limits the position between the inserted link 30 and the loop bar 50, so that the inserted link 30 cannot move inwards to the loop bar 50, and the window cannot be closed. When the window needs to be closed, the opened window is pulled, the inserted rod 30 moves towards the outside of the loop bar 50 until the ejector block 40 abuts against the ratchet 60, at the moment, the tip 45 of the ejector block 40 abuts against the side wall of the ratchet 60, the ratchet 60 is further pushed to rotate, the ratchet 60 is separated from the opening 35 and the clamping hole 55, the ratchet 60 does not limit the inserted rod 30 and the loop bar 50, the inserted rod 30 can be correspondingly inserted into the loop bar 50, and the main body assembly 10 can be ensured to rotate towards the direction of the fireproof assembly 70, so that the window closing operation is completed.

When a fire disaster happens when a window is opened, the swollen liquid in the temperature sensing element 74 is heated and expanded to break the temperature sensing element 74, so that the temperature sensing element 74 does not support the stop block 73, the stop block 73 falls off from the sliding block 71, and the stop block 73 is not clamped with the sliding rail 72 at the moment, so that the sliding block 71 can move along the sliding rail 72; when the window is opened, the first elastic part 14 and the second elastic part 18 are in an elastic deformation state, so that the first rack 13 and the second rack 17 are pushed under the action of the first elastic part 14 and the second elastic part 18, the gear 12 is driven to rotate, the inserted rod 30 is further driven to rotate, meanwhile, the sliding block 71 moves along the sliding rail 72, the motion of the sliding block 71 along the sliding rail 72 is guaranteed to replace the motion of a closed window inserted into the sleeve rod 50 by the inserted rod 30, the closed motion of the window can be realized by ensuring that the inserted rod 30 and the sleeve rod 50 are relatively fixed, the automatic window closing during fire is realized, the heat transfer is effectively controlled, and the survival probability of people in fire is improved.

The window closer 100 is provided with the adjusting rod 16 to correspondingly push the pressing sheet 15, so as to adjust the length of the first elastic member 14, and further effectively adjust the strength of the first elastic member 14 in the working process of the window closer 100, thereby ensuring that people with weak strength can still easily rotate the window to open and close.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A window closer, comprising:

the main body assembly comprises a shell, a gear, a first rack, a first elastic piece, a pressing piece and an adjusting rod, wherein the gear is pivoted in the shell, the first rack is meshed with the gear, the first elastic piece is connected with the first rack, the pressing piece is connected with the first elastic piece, and the adjusting rod is connected with the pressing piece;

one end of the telescopic assembly is fixedly connected with the gear; and

the fireproof assembly comprises a sliding block pivoted with the telescopic assembly, a sliding rail connected with the sliding block, a stop block clamped on the sliding rail and temperature sensing pieces respectively connected with the sliding block and the stop block; the stop block is abutted against the slide block, and the temperature sensing piece is used for fixing the stop block on the slide block.

2. The window closer of claim 1, wherein said first rack is slidably disposed within said housing; the first rack comprises an engaging part, a connecting part and an installation part, the engaging part corresponds to the gear, and the installation part is connected with the first elastic part.

3. The window closer of claim 2, wherein the engaging portion is perpendicular to a direction in which the connecting portion is disposed, and the mounting portion is cylindrical and extends from the connecting portion in a direction away from the gear.

4. The window closer of claim 3, wherein the first elastic member is spirally disposed around the outer side of the mounting portion, and both ends of the first elastic member abut against the connecting portion and the pressing piece, respectively.

5. The window closer of any one of claims 1 to 4, wherein said adjusting rod extends in a cylindrical shape, and is disposed in the same direction as said first elastic member, and is threadedly coupled to said housing, and wherein one end of said adjusting rod inserted into said housing abuts against said pressing plate.

6. The window closer of any one of claims 1-4, wherein said body assembly further comprises a second rack, and a second resilient member resiliently supported between said second rack and the housing; the second rack and the first rack are oppositely arranged on two sides of the gear.

7. The window closer of claim 6, wherein the second rack and the first rack are centrosymmetrically arranged with respect to the gear, the second elastic member is disposed at an end of the second rack opposite to the first rack, and the second elastic member is spirally and circumferentially disposed on the second rack.

8. The window closer of claim 1, wherein the telescopic assembly comprises an insertion rod fixedly connected with the gear, an ejector block connected with the insertion rod, a loop bar sleeved outside the insertion rod, and a ratchet wheel pivoted in the loop bar; the inserted bar corresponds the one end of kicking block is provided with the trompil, the loop bar corresponds the one end of ratchet is provided with the card hole, the trompil with the card hole corresponds the setting.

9. The window closer of claim 8, wherein said top block is disposed at an end of said insert rod adjacent to said loop bar, and said ratchet is disposed at an end of said loop bar adjacent to said insert rod; the ejector block is provided with a tip, an ejector groove is correspondingly formed in the ratchet wheel, and the tip and the ejector groove are correspondingly arranged to adjust the angle of the ratchet wheel relative to the loop bar.

10. The window closer of claim 1, wherein one end of the temperature sensing element is sequentially penetrated through the stop block and the slide block; and a support piece is arranged at one end of the temperature sensing piece, which is back to the stop block, and the temperature sensing piece is pressed on the sliding block by the support piece.

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