CN114197979A - Temperature control fireproof window closer - Google Patents

Abstract

The invention discloses a temperature-control fireproof window closer, which comprises a bottom plate, a return spring, a temperature-sensing element, a locking device, a translation block, a rotating block and a support rod, wherein the temperature-control fireproof window closer comprises: this window closer is through setting up reset spring, the temperature sensing component, the locking ware, the translation piece, the turning block, the vaulting pole, wherein utilize the couple portion of locking ware buckle turning block, then cooperation reset spring continuously promotes the translation piece, the rack portion of translation piece meshes with the gear portion of turning block, the realization keeps the locking of turning block motionless under conventional user state, when the conflagration appears, the temperature sensing component is broken, make the locking ware break away from couple portion, then kick-back at reset spring and promote under the effect that the translation piece removed, it rotates to drive the turning block, the rotation of turning block is in order to drive the vaulting pole swing, thereby realize driving casement self-closing, realize the fire prevention and close the window function.

Description

Temperature control fireproof window closer

Technical Field

The invention relates to the technical field of hardware, in particular to a temperature-control fireproof window closer.

Background

Hidden window closer in the field of fireproof windows of doors and windows of market buildings is mostly a casting gear and rack transmission and a die casting shell. As the market changes, the larger the sash weight, the greater the required closer drive force and strength requirements, however limited by the space available for profile installation and the process limitations of the casting, several problems with such products are: 1, the ideal stress requirement 2 cannot be met, the corrosion resistance and the fire resistance are not ideal, the hidden trouble of failure exists in the later period, and 3, the cost is too high, and the production period is too long.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a temperature-control fireproof window closer which is reasonable in design and stable and reliable in structure.

In order to achieve the purpose, the scheme provided by the invention is as follows: a temperature-control fireproof window closer comprises a bottom plate, a reset spring, a temperature-sensitive element, a locking device, a translation block, a rotating block and a support rod, wherein the reset spring and the temperature-sensitive element are respectively arranged on the bottom plate, the end part of the reset spring is pressed against the translation block, the translation block slides on the bottom plate, a rack part is formed on the translation block, the rotating block is rotatably connected to the bottom plate, a gear part and a hook part are respectively formed on the outer side wall of the rotating block, the gear part is meshed with the rack part, the end part of the temperature-sensitive element is inserted into the locking device, the locking device is hinged on the bottom plate, the locking device is used for buckling the hook part to limit the rotation of the rotating block, the support rod is downwards connected with the rotating block, the support rod is connected with a window sash, after the temperature-sensitive element is crushed, the locking device loosens the hook part, the reset spring rebounds to push the translation block to move so as to drive the rotating block to rotate, the rotating block drives the stay bar to swing so as to drive the window sash to close.

The invention has the beneficial effects that: has the function of fire-proof window closing, the window closing device is provided with a return spring, a temperature sensing element, a locking device, a translation block, a rotating block and a support rod, wherein the locking device is used for buckling the hook part of the rotating block and then is matched with the reset spring to continuously push the translation block, the rack part of the translation block and the gear part of the rotating block to be meshed, so that the locking of the rotating block is kept still under the normal use state, when a fire disaster occurs, the temperature-sensitive element is broken, and the locking device is separated from the hook part, then the rotating block is driven to rotate under the action of the rebound of the return spring pushing the translation block to move, the rotation of the rotating block drives the support rod to swing, the window closer has the advantages that the window sash is driven to be automatically closed, the fireproof window closing function is realized, the overall design is reasonable, the locking transmission structure is compact, the space utilization rate is high, the window closer can meet the larger use requirement in a smaller space, and the window closer is adaptive to the installation requirements of more door and window profiles; in addition, the included angle between the supporting force of the temperature sensing element and the movement direction of the buckling point of the locking device is large, so that the maximum buckling force is ensured, sufficient strength is ensured under the daily temperature environment, the window is prevented from being automatically closed by being triggered by mistake, and the integral structure of the invention is stable and reliable.

Furthermore, side plates are formed on the left side and the right side of the bottom plate, a sliding groove is formed between the two side plates, and the translation block slides in the sliding groove. By adopting the structure, the translation block can slide in the sliding groove.

Further, still include the gland, the gland sets up on the bottom plate. After the structure is adopted, the pressing cover is matched with the bottom plate up and down, and the reset spring, the temperature sensing element, the locking device, the translation block and the rotating block are jointly stored.

Furthermore, a first limiting block and a second limiting block are arranged at the front end and the rear end of the bottom plate respectively.

Furthermore, the first limiting block is provided with a limiting boss, and the limiting boss is sleeved with the return spring. After the structure is adopted, the reset spring is positioned, sleeved and pressed, and the reset spring is prevented from withdrawing from the bottom plate from the end part of the bottom plate.

Furthermore, a limiting sleeve is formed on the second limiting block, one end of the temperature sensing element is inserted into a temperature sensing element sleeve, the other end of the temperature sensing element is inserted into the locking device, the temperature sensing element sleeve is arranged in the limiting sleeve, a limiting screw is arranged in the limiting sleeve, and the limiting screw is used for jacking the temperature sensing element sleeve. After the structure is adopted, the temperature sensing element is sleeved in a jacking mode, and the temperature sensing element is prevented from withdrawing from the end portion of the bottom plate.

Furthermore, the rotating block is coaxially connected with the support rod through a rotating shaft, and the rotating shaft is rotatably connected to the bottom plate.

Furthermore, the rotating block is provided with a first buckling hole, the support rod is provided with a special-shaped hole, the rotating shaft is respectively provided with a first buckling block and a second buckling block, the first buckling block buckles the first buckling hole, and the special-shaped hole is partially buckled with the second buckling block so that the rotating block drives the support rod to swing. By adopting the structure, the rotation block drives the stay bar to rotate, and the special-shaped hole part is utilized to buckle the second buckling block, so that the second buckling block can rotate in the special-shaped hole to a certain extent, and the stay bar can not drive the rotating shaft to rotate when the window sash is normally opened and closed.

Furthermore, the window frame further comprises a sliding guide rail, the end part of the stay bar is hinged with a sliding block, the sliding block slides on the sliding guide rail, the sliding guide rail is connected with the window frame, and the bottom plate is connected with the window sash. By adopting the structure, the invention realizes the driving of the window sash to open and close.

The adjusting screw is connected with the sliding block in a buckled mode, the sliding block is provided with a support plate in a buckled mode, the sliding block is provided with a hexagonal hole, the adjusting screw is riveted with the support plate after sequentially passing through a support rod and the hexagonal hole, deformation grooves are formed in the left side and the right side of the sliding block respectively, an abnormal-shaped portion is formed on the adjusting screw, the abnormal-shaped portion rotates relative to the sliding block by rotating the adjusting screw to enlarge the hexagonal hole, and the deformation grooves are elastically deformed and contracted. After the structure is adopted, the adjustable damping is formed, the special-shaped part rotates relative to the sliding block by rotating the adjusting screw to enlarge the hexagonal hole, the deformation groove elastically deforms and contracts, so that the periphery of the sliding block expands to enlarge the friction area between the sliding block and the sliding guide rail, the damping between the sliding block and the sliding guide rail is adjusted, and the damping for adjusting the opening and closing positioning of the window sash is realized.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is an exploded perspective view of the invention.

Fig. 3 is a schematic view of the present invention in connection with a sash, frame, a sash open position.

Fig. 4 is a schematic view of the present invention in connection with a sash and frame, illustrating a second sash closed position.

Fig. 5 is a cross-sectional view of the present invention.

Fig. 6 is an exploded view of the connection among the second stopper, the temperature sensing element, the locking device, the translation block, the rotation block and the stay bar.

Fig. 7 is a schematic connection diagram between the special-shaped hole and the second locking block of the rotating shaft according to the present invention.

Fig. 8 is a sectional view showing a connection of the second stopper, the temperature-sensitive element, the locking means, the translation block and the rotation block in a conventional use state.

Fig. 9 is a sectional view showing a connection of the second stopper, the temperature sensitive member, the locking means, the translation block and the rotation block in a fire state.

FIG. 10 is a perspective view showing the connection of the stay bar, the slide block and the slide rail according to the present invention.

Fig. 11 is a schematic view of the frictional force between the adjusting slider and the sliding guide according to the present invention.

The locking device comprises a base plate 1, a side plate 11, a sliding groove 12, a first limiting block 13, a limiting boss 131, a second limiting block 14, a limiting sleeve 141, a limiting screw 142, a temperature-sensitive element sleeve 143, a gland 15, a return spring 2, a temperature-sensitive element 3, a locking device 4, a translation block 5, a rack portion 51, a rotating block 6, a gear portion 61, a hook portion 62, a first buckling hole 63, a support rod 7, a special-shaped hole 71, a rotating shaft 8, a first buckling block 81, a second buckling block 82, a sliding block 91, a hexagonal hole 911, a deformation groove 912, a sliding guide rail 92, an adjusting screw 93, a special-shaped portion 931 and a supporting plate 94.

Detailed Description

The invention will be further illustrated with reference to specific examples:

referring to fig. 1 to 11, a temperature-controlled fireproof window closer includes a bottom plate 1, a pressing cover 15, a return spring 2, a temperature-sensing element 3, a locking device 4, a translation block 5, a rotation block 6, a stay bar 7, and a sliding guide rail 92, and is characterized in that: the temperature sensing window is characterized in that a reset spring 2 and a temperature sensing element 3 are respectively arranged on a bottom plate 1, the end part of the reset spring 2 is pressed against a translation block 5, the translation block 5 slides on the bottom plate 1, a rack part 51 is formed on the translation block 5, the rotation block 6 is rotatably connected to the bottom plate 1, a gear part 61 and a hook part 62 are respectively formed on the outer side wall of the rotation block 6, the gear part 61 is meshed with the rack part 51, the end part of the temperature sensing element 3 is inserted into a locking device 4, the locking device 4 is hinged to the bottom plate 1, the locking device 4 is buckled with the hook part 62 and used for limiting the rotation of the rotation block 6, a support rod 7 is downwards connected with the rotation block 6, the support rod 7 is connected with a window sash, after the temperature sensing element 3 is crushed, the locking device 4 releases the hook part 62, the reset spring 2 rebounds to push the translation block 5 to move so as to drive the rotation block 6 to swing the support rod 7 so as to drive the window sash to be closed.

In this embodiment, side plates 11 are formed on both left and right sides of the bottom plate 1, a slide groove 12 is formed between the side plates 11, and the translation block 5 slides in the slide groove 12.

In the present embodiment, the gland 15 is provided on the base plate 1.

In this embodiment, the front end and the rear end of the bottom plate 1 are respectively provided with a first limiting block 13 and a second limiting block 14, wherein the first limiting block 13 is formed with a limiting boss 13, and the limiting boss 13 is sleeved with the return spring 2; the second stopper 14 is formed with a stopper sleeve 141, one end of the temperature sensing element 3 is inserted into the temperature sensing element sleeve 143, the other end is inserted into the locking device 4, the temperature sensing element sleeve 143 is disposed in the stopper sleeve 141, a stopper screw 142 is disposed in the stopper sleeve 141, and the stopper screw 142 is used for pressing the temperature sensing element sleeve 143.

In this embodiment, the rotating block 6 and the stay bar 7 are coaxially connected through a rotating shaft 8, the rotating shaft 8 is rotatably connected to the bottom plate 1, wherein the rotating block 6 is provided with a first fastening hole 63, the stay bar 7 is provided with a special-shaped hole 71, the rotating shaft 8 is respectively formed with a first fastening block 81 and a second fastening block 82, the first fastening block 81 fastens the first fastening hole 63, and part of the special-shaped hole 71 fastens the second fastening block 82 so that the rotating block 6 drives the stay bar 7 to swing, so that the second fastening block 82 can swing in the special-shaped hole 71 to a certain extent to match with the conventional opening and closing of the window sash.

In this embodiment, the end of the stay bar 7 is hinged with a sliding block 91, the sliding block 91 slides on a sliding guide rail 92, the sliding guide rail 92 is connected with the window frame, and the bottom plate 1 is connected with the window sash.

In this embodiment, the adjusting device further includes an adjusting screw 93, a support plate 94 is snap-fitted on the sliding block 91, a hexagonal hole 911 is formed on the sliding block 91, the adjusting screw 93 is riveted with the support plate 94 after passing through the stay 7 and the hexagonal hole 911 in sequence, wherein deformation grooves 912 are formed on the left side and the right side of the sliding block 91 respectively, a deformed portion 931 is formed on the adjusting screw 93, and the deformed portion 931 is rotated relative to the sliding block 91 by rotating the adjusting screw 93 to expand the hexagonal hole 911 and elastically deform and contract the deformation grooves 912.

In this embodiment, during normal use, only the window sash needs to be pushed, so that the sliding block 91 slides on the sliding guide rail 92 to drive the stay bar 7 to swing, and at this time, the second fastening block 82 is fastened by using the special-shaped hole 71, that is, the second fastening block 82 can swing in the special-shaped hole 71 to a certain extent, so that the stay bar 7 can swing within the maximum set angle, and the rotating shaft 8 cannot be driven to rotate; at this time, since both ends of the temperature sensing element 3 respectively press the second stopper 14 and the locker 4, then the locker 4 catches the hook portion 62 of the rotation block 6, and the return spring 2 is in the contracted state, the return spring 2 continuously pushes the translation block 5, the rack portion 51 of the translation block 5 is engaged with the gear portion 61 of the rotation block 6, so that the locker 4 catches the hook portion 62 of the rotation block 6 and the return spring 2 continuously pushes the translation block 5, the rotation block 6 is kept locked, and the rotation block 6 keeps rotation potential energy.

The supporting force of the temperature sensing element 3 and the movement direction included angle of the locking point of the locking device 4 are large, so that the maximum locking force is ensured, the stability of the locking state of the rotating block 6 in the embodiment is further ensured, the maximum locking force of the locking device 4 to the rotating block 5 is more than 3 times of the supporting force of the temperature sensing element 3, and the strength is sufficient under the daily temperature environment to ensure that the window is not automatically closed by being triggered by mistake.

When a fire disaster occurs, after the temperature sensing element 3 is broken under the high-temperature environment, the locking device 4 swings to enable the locking device 4 to be separated from the hook part 62 of the rotating block 6, the rotating block 6 is enabled to be rotatable, the reset spring 2 rebounds to push the translation block 5 to advance, the gear part 61 is matched with the meshing of the rack part 51, the rotating block 5 is driven to rotate, the rotating block 5 utilizes the rotating shaft 8 to drive the support rod 7 to swing, the support rod 7 pulls the sliding block 91 to slide on the sliding guide rail 92, the window sash is driven to be automatically closed, and the fireproof window closing function is achieved.

When the damping of the opening and closing positioning of the window sash is insufficient, the sliding block 91 and the supporting plate 94 are buckled with each other, so that the sliding block 91 and the supporting plate 94 cannot rotate relatively, the adjusting screw 91 is screwed at the moment, the special-shaped part 931 of the adjusting screw 93 rotates relative to the sliding block 91 and the hexagonal hole 911, the two longer ends of the special-shaped part 931 are respectively opened left and right to open the hexagonal hole 911, the middle part of the sliding block 91 is expanded and expanded outwards, the deformation groove 912 is elastically contracted and deformed under the condition that the sliding block 91 is extruded outside the sliding guide rail 92 and the special-shaped part 931 is opened and closed inside the sliding block 91, the friction area between the sliding block 91 and the sliding guide rail 92 can be adjusted, the damping between the sliding block 91 and the sliding guide rail 92 can be adjusted, and the damping of the opening and closing positioning of the window sash can be adjusted.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Those skilled in the art can make many changes and modifications to the disclosed embodiments, or modify equivalent embodiments to practice the disclosed embodiments, without departing from the scope of the disclosed embodiments. Therefore, equivalent variations made according to the idea of the present invention should be covered within the protection scope of the present invention without departing from the contents of the technical solution of the present invention.

Claims (10)

1. The utility model provides a control by temperature change fire prevention window closer, includes bottom plate (1), reset spring (2), temperature sensing element (3), locking ware (4), translation piece (5), turning block (6), vaulting pole (7), its characterized in that: the window sash is characterized in that the bottom plate (1) is respectively provided with the reset spring (2) and the temperature sensing element (3), the end part of the reset spring (2) is pressed against the translation block (5), the translation block (5) slides on the bottom plate (1), a rack part (51) is formed on the translation block (5), the rotation block (6) is rotatably connected onto the bottom plate (1), the outer side wall of the rotation block (6) is respectively provided with a gear part (61) and a hook part (62), the gear part (61) is meshed with the rack part (51), the end part of the temperature sensing element (3) is inserted into the locking device (4), the locking device (4) is hinged onto the bottom plate (1), the locking device (4) is buckled with the hook part (62) and is used for limiting the rotation of the rotation block (6), the support rod (7) is downwards connected with the rotation block (6), and the support rod (7) is connected with the window sash, when the temperature sensing element (3) is broken, the locking device (4) releases the hook part (62), the reset spring (2) rebounds to push the translation block (5) to move to drive the rotating block (6) to rotate, and the rotating block (6) drives the support rod (7) to swing to drive the window sash to be closed.

2. A temperature controlled fire resistant window closer as claimed in claim 1, wherein: the bottom plate (1) left and right sides is formed with curb plate (11), two form sliding tray (12) between curb plate (11), translation piece (5) slide in sliding tray (12).

3. A temperature controlled fire resistant window closer as claimed in claim 2, wherein: the novel electric heating cooker further comprises a gland (15), wherein the gland (15) is arranged on the bottom plate (1).

4. A temperature controlled fire resistant window closer as claimed in claim 3, wherein: the front end and the rear end of the bottom plate (1) are respectively provided with a first limiting block (13) and a second limiting block (14).

5. A temperature controlled fire resistant window closer as claimed in claim 4, wherein: the first limiting block (13) is provided with a limiting boss (13), and the limiting boss (13) is sleeved with the return spring (2).

6. A temperature controlled fire resistant window closer as claimed in claim 5, wherein: a limiting sleeve (141) is formed on the second limiting block (14), one end of the temperature sensing element (3) is inserted into the temperature sensing element sleeve (143), the other end of the temperature sensing element is inserted into the locking device (4), the temperature sensing element sleeve (143) is arranged in the limiting sleeve (141), a limiting screw (142) is arranged in the limiting sleeve (141), and the limiting screw (142) is used for jacking the temperature sensing element sleeve (143).

7. A temperature controlled fire resistant window closer as claimed in claim 6, wherein: the rotating block (6) is coaxially connected with the support rod (7) through a rotating shaft (8), and the rotating shaft (8) is rotatably connected to the bottom plate (1).

8. A temperature controlled fire resistant window closer as claimed in claim 7, wherein: the novel clamping mechanism is characterized in that a first clamping hole (63) is formed in the rotating block (6), a special-shaped hole (71) is formed in the support rod (7), a first clamping block (81) and a second clamping block (82) are formed on the rotating shaft (8) respectively, the first clamping block (81) clamps the first clamping hole (63), and the second clamping block (82) is partially clamped in the special-shaped hole (71) so that the rotating block (6) drives the support rod (7) to swing.

9. A temperature controlled fire resistant window closer as claimed in claim 8, wherein: still include sliding guide (92), vaulting pole (7) tip articulates there is sliding block (91), sliding block (91) slide on sliding guide (92), sliding guide (92) are connected the window frame, bottom plate (1) is connected the casement.

10. A temperature controlled fire resistant window closer as claimed in claim 9, wherein: still include adjusting screw (93), backup pad (94) are installed to the buckle on sliding block (91), it has hexagonal hole (911) to open on sliding block (91), adjusting screw (93) loop through vaulting pole (7), behind hexagonal hole (911) with backup pad (94) riveting, wherein, sliding block (91) left and right sides has opened deformation groove (912) respectively, it has heterotypic portion (931) to take shape on adjusting screw (93), through rotating adjusting screw (93) make heterotypic portion (931) relative sliding block (91) rotate in order to enlarge hexagonal hole (911), and make deformation groove (912) elastic deformation shrink.

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