Plate type smoke exhaust valve

Abstract

The utility model discloses a plate type smoke exhaust valve which comprises an installation frame, a smoke exhaust valve body is fixedly installed on the inner side of the installation frame, an installation mechanism is arranged on the outer side of the installation frame and used for installing and fixing the position of the smoke exhaust valve body, and the installation mechanism comprises a positioning assembly which is arranged on the outer side of the installation frame and used for positioning the position of the smoke exhaust valve body. The utility model relates to the technical field of smoke exhaust valves. According to the plate-type smoke exhaust valve, the specification of a matched mounting opening is conveniently adjusted through the arranged sliding block and the arranged connecting plate, when the plate-type smoke exhaust valve is used, an adjusting screw rod is rotated to drive a movable barrel to descend, then the movable barrel pushes a movable block through a connecting rod, and then the movable block drives the connecting plate to push a positioning plate to expand outwards to be matched with the size of the mounting opening; after the device is positioned, the fixing frame can be driven to move through the sliding block, then the device is fixed through the fixing assembly, adjustment is convenient, the structural strength of the device is improved, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust valves, in particular to a plate-type smoke exhaust valve. Background Art

[0002] Plate type smoke exhaust valve, also known as plate type smoke exhaust port, is a key device used in smoke exhaust system in buildings. It is mainly installed at the smoke exhaust port of smoke exhaust system in corridors, smoke-proof antechambers and windowless rooms. It can be suspended on the ceiling or installed on the side wall. It is used to effectively exhaust smoke and harmful gases to the outside when a fire occurs, thereby ensuring the safety and comfort inside the building.

[0003] The existing plate-type smoke exhaust valve also has the following problems. The existing device generally installs and fixes the smoke exhaust valve by bolts. Referring to a plate-type smoke exhaust valve disclosed in a patent application with reference to publication number CN219933082U, the plate-type smoke exhaust valve, by installing a positioning mechanism and a stabilizing mechanism, enables the plate-type smoke exhaust valve to be better connected and fixed during actual installation and use, thereby effectively improving the overall working stability of the plate-type smoke exhaust valve, and at the same time greatly enhancing the working effect of the plate-type smoke exhaust valve, better avoiding the loosening of the plate-type smoke exhaust valve during long-term use of the plate-type smoke exhaust valve, thereby directly ensuring the working performance of the plate-type smoke exhaust valve and greatly enhancing the connection firmness of the plate-type smoke exhaust valve.

[0004] However, the above-mentioned technology improves the stability of the device by reinforcing the plate and the mounting head, but it is not convenient to adjust the position of the mounting head. The existing devices are generally installed at the smoke exhaust port or on the ceiling, and the specifications of the mounting port and the device specifications will inevitably deviate. It is inconvenient to adjust the position of the mounting head and adapt it, which will affect the stability of the device, and the practicality is general. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a plate-type smoke exhaust valve, which solves the problem that the existing plate-type smoke exhaust valve is inconvenient to adjust and adapt the position of the mounting head, which in turn affects the stability of the device and has general practicality.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plate-type smoke exhaust valve, including a mounting frame, a smoke exhaust valve body is fixedly mounted on the inner side of the mounting frame, and a mounting mechanism is provided on the outer side of the mounting frame for mounting and fixing the position of the smoke exhaust valve body, and the mounting mechanism includes:

[0007] A positioning component is arranged on the outside of the installation frame for positioning the position of the smoke exhaust valve body, the positioning component includes two movable grooves on the left and right sides of the top surface of the installation frame, and movable blocks are movably installed inside the two movable grooves, a connecting plate is fixedly installed on one side of the movable block, and a positioning plate is fixedly installed on one end of the connecting plate, and fixing frames are movably installed on the front and rear sides of the bottom surface of the installation frame. An adjustment component is arranged on the outside of the installation frame for adjusting the positions of the positioning plate and the fixing frame to improve the stability of the device;

[0008] The fixing assembly is arranged on the bottom surface of the positioning plate at a position for fixing the device.

[0009] Preferably, the adjustment assembly includes an adjusting screw movably installed on the left and right sides of the top surface of the mounting frame, a movable cylinder is threadedly installed on the outer side of the adjusting screw, connecting rods are fixedly installed on the front and rear sides of the movable cylinder, and two sliding grooves are provided on the left and right sides of the bottom surface of the mounting frame, and sliders are slidably installed inside the two sliding grooves.

[0010] Preferably, one end of the connecting plate away from the movable block movably passes through the interior of the two movable grooves and is fixedly mounted on one side of the positioning plate.

[0011] Preferably, one end of the connecting rod is movably hinged to the top surface of the movable block, and the bottom surface of the sliding block movably passes through the interior of the two sliding grooves and is fixedly mounted on the top surface of the fixing frame.

[0012] Preferably, the fixing assembly includes a movable screw movably mounted on the top surface of the positioning plate, a pressure plate movably mounted on the bottom end of the movable screw, limiting plates are fixedly mounted on the left and right sides of the top surface of the pressure plate, slots are opened on the left and right sides of the bottom surface of the pressure plate, and bolts are threadedly mounted on the left and right sides of the bottom surface of the fixing frame.

[0013] Preferably, the top thread of the bolt passes through the bottom surface of the fixing frame and extends to the top surface of the fixing frame, the bottom thread of the movable screw passes through the top surface of the positioning plate and is movably mounted on the top surface of the pressure plate, and the top surface of the limit plate movably passes through the top surface of the positioning plate and extends to the top surface of the positioning plate.

[0014] Beneficial Effects

[0015] The utility model provides a plate-type smoke exhaust valve. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The plate-type smoke exhaust valve can be easily adjusted to match the specifications of the installation port by means of the provided slider and connecting plate. When in use, the adjusting screw is rotated to drive the movable cylinder to descend, and then the movable cylinder pushes the movable block through the connecting rod, and then the movable block drives the connecting plate to push the positioning plate to expand outward to match the size of the installation port. After the device is positioned, the slider can drive the fixing frame to move, and then the device is fixed by the fixing assembly, which is convenient for adjustment, increases the structural strength of the device, and improves the stability of the device.

[0017] (2) The plate-type smoke exhaust valve is convenient for installation and fixing of the device through the provided bolts and pressure plates. After the device is placed, the fixing frame is pulled to pull the bolts out from under the installation frame, and then the movable screw is rotated to drive the pressure plate down through the limit plate. Then the pressure plate will lift the device up, and when the pressure plate is attached to the bottom of the installation port, it stops rotating. Then, the bolt is rotated and inserted into the inside of the slot to fix the device, thereby improving the stability of the device and improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a top view of the three-dimensional appearance of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional appearance of the utility model when viewed from above;

[0020] Figure 3 This is a front-view stereoscopic appearance diagram of the installation mechanism of the utility model;

[0021] Figure 4 It is a side cross-sectional schematic diagram of the installation mechanism of the utility model.

[0022] In the figure: 1-installation frame, 2-installation mechanism, 21-positioning assembly, 211-positioning plate, 212-connecting rod, 213-adjusting screw, 214-movable cylinder, 215-fixed frame, 216-slide groove, 217-slider, 218-movable groove, 219-movable block, 2110-connecting plate, 22-fixing assembly, 221-bolt, 222-notch, 223-pressure plate, 224-movable screw, 225-limiting plate, 3-smoke exhaust valve body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4, the utility model provides two technical solutions:

[0025] The first embodiment: a plate-type smoke exhaust valve comprises a mounting frame 1, a smoke exhaust valve body 3 is fixedly mounted on the inner side of the mounting frame 1, and a mounting mechanism 2 is arranged on the outer side of the mounting frame 1 for mounting and fixing the position of the smoke exhaust valve body 3, and the mounting mechanism 2 comprises:

[0026] The positioning assembly 21 is arranged on the outside of the installation frame 1 for positioning the position of the smoke exhaust valve body 3. The positioning assembly 21 includes two movable grooves 218 opened on the left and right sides of the top surface of the installation frame 1. The insides of the two movable grooves 218 are movably installed with movable blocks 219, and the movable blocks 219 are convex. A connecting plate 2110 is fixedly installed on one side of the movable block 219, and a positioning plate 211 is fixedly installed on one end of the connecting plate 2110. The front and rear sides of the bottom surface of the installation frame 1 are movably installed with fixing frames 215. The outside of the installation frame 1 is provided with an adjustment assembly for adjusting the positions of the positioning plate 211 and the fixing frame 215 to improve the stability of the device;

[0027] The fixing assembly 22 is arranged on the bottom surface of the positioning plate 211 at a position for fixing the device. The adjusting assembly includes adjusting screws 213 movably mounted on the left and right sides of the top surface of the mounting frame 1. The outer side of the adjusting screw 213 is threadedly mounted with a movable cylinder 214. The front and rear sides of the movable cylinder 214 are fixedly mounted with connecting rods 212. Two slide grooves 216 are provided on the left and right sides of the bottom surface of the mounting frame 1. Slide blocks 217 are slidably mounted inside the two slide grooves 216. The end of the connecting plate 2110 away from the movable block 219 movably passes through the inside of the two movable grooves 218 and is fixed. Installed on one side of the positioning plate 211, one end of the connecting rod 212 is movably hinged on the top surface of the movable block 219, and the rotating adjusting screw 213 can drive the movable cylinder 214 to rise and fall, and then the movable cylinder 214 will drive the movable block 219 to move through the connecting rod 212, and then the movable block 219 will drive the connecting plate 2110 to adjust the position of the positioning plate 211, the bottom surface of the slider 217 movably passes through the inside of the two slide grooves 216 and is fixedly installed on the top surface of the fixed frame 215, and the slider 217 can limit the moving trajectory of the fixed frame 215 through the slide groove 216.

[0028] The slider 217 and the connecting plate 2110 are provided to facilitate adjustment to the specifications of the mounting opening. When in use, the adjusting screw 213 is rotated to drive the movable cylinder 214 to descend, and then the movable cylinder 214 will push the movable block 219 through the connecting rod 212, and then the movable block 219 will drive the connecting plate 2110 to push the positioning plate 211 to expand outward to adapt to the size of the mounting opening. After the device is positioned, the slider 217 can drive the fixing frame 215 to move, and then the device is fixed by the fixing assembly 22, which is convenient for adjustment, increases the structural strength of the device, and improves the stability of the device.

[0029] The second embodiment is mainly different from the first embodiment in that the fixing assembly 22 includes a movable screw 224 movably mounted on the top surface of the positioning plate 211, a pressing plate 223 is movably mounted on the bottom end of the movable screw 224, and a limiting plate 225 is fixedly mounted on both sides of the top surface of the pressing plate 223, and slots 222 are provided on both sides of the bottom surface of the pressing plate 223, and bolts 221 are threadedly mounted on both sides of the bottom surface of the fixing frame 215, and the size of the bolts 221 and the slots 222 is The specifications are matched, the top thread of the bolt 221 passes through the bottom surface of the fixing frame 215 and extends to the top surface of the fixing frame 215, the bottom thread of the movable screw 224 passes through the top surface of the positioning plate 211 and is movably installed on the top surface of the pressure plate 223, and rotating the movable screw 224 can drive the pressure plate 223 to rise and fall, the top surface of the limit plate 225 movably passes through the top surface of the positioning plate 211 and extends to the top surface of the positioning plate 211, and the lifting and lowering trajectory of the pressure plate 223 can be limited by the limit plate 225.

[0030] The provided bolts 221 and pressure plates 223 facilitate installation and fixation of the device. After placing the device, pull the fixing frame 215 to pull the bolt 221 out from under the installation frame 1, then rotate the movable screw 224 to drive the pressure plate 223 to descend through the limit plate 225, and then the pressure plate 223 will lift the device up. When the pressure plate 223 is attached to the bottom of the installation port, it stops rotating, and then rotate the bolt 221 to insert it into the slot 222 to fix the device, thereby improving the stability of the device and having good practicality.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0032] During use, the user rotates the adjusting screw 213 to drive the movable cylinder 214 to descend, and then the movable cylinder 214 will push the movable block 219 through the connecting rod 212, and then the movable block 219 will drive the connecting plate 2110 to push the positioning plate 211 to expand outward to adapt to the size of the installation opening, and then place the device in a suitable position, and then pull the fixing frame 215 through the slider 217 to drive the fixing frame 215 to move the bolt 221 outward, and then rotate the movable screw 224 to drive the pressure plate 223 to descend through the limit plate 225, and then the pressure plate 223 will lift the device, and when the pressure plate 223 is attached to the bottom of the installation opening, it stops rotating, and then the rotating bolt 221 is inserted into the inside of the slot 222 to install and fix the device.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plate-type smoke exhaust valve, comprising a mounting frame (1), characterized in that: A smoke exhaust valve body (3) is fixedly mounted on the inner side of the mounting frame (1), and a mounting mechanism (2) is provided on the outer side of the mounting frame (1) for mounting and fixing the position of the smoke exhaust valve body (3), wherein the mounting mechanism (2) comprises: A positioning component (21) is arranged on the outside of the installation frame (1) and is used to position the smoke exhaust valve body (3). The positioning component (21) comprises two movable grooves (218) provided on the left and right sides of the top surface of the installation frame (1). A movable block (219) is movably installed inside the two movable grooves (218). A connecting plate (2110) is fixedly installed on one side of the movable block (219). A positioning plate (211) is fixedly installed on one end of the connecting plate (2110). Fixed frames (215) are movably installed on the front and rear sides of the bottom surface of the installation frame (1). An adjustment component is arranged on the outside of the installation frame (1) and is used to adjust the positions of the positioning plate (211) and the fixing frame (215) to improve the stability of the device. The fixing assembly (22) is arranged on the bottom surface of the positioning plate (211) at a position for fixing the device.

2. A plate type smoke exhaust valve according to claim 1, characterized in that: The adjustment assembly comprises an adjustment screw (213) movably mounted on the left and right sides of the top surface of the installation frame (1); a movable cylinder (214) is threadedly mounted on the outer side of the adjustment screw (213); connecting rods (212) are fixedly mounted on the front and rear sides of the movable cylinder (214); two slide grooves (216) are provided on the left and right sides of the bottom surface of the installation frame (1); and sliders (217) are slidably mounted inside the two slide grooves (216).

3. The plate type smoke exhaust valve according to claim 1, characterized in that: One end of the connecting plate (2110) away from the movable block (219) movably passes through the interior of the two movable grooves (218) and is fixedly mounted on one side of the positioning plate (211).

4. A plate type smoke exhaust valve according to claim 2, characterized in that: One end of the connecting rod (212) is movably hinged to the top surface of the movable block (219), and the bottom surface of the sliding block (217) movably passes through the interior of the two sliding grooves (216) and is fixedly mounted on the top surface of the fixing frame (215).

5. The plate type smoke exhaust valve according to claim 1, characterized in that: The fixing assembly (22) comprises a movable screw rod (224) movably mounted on the top surface of the positioning plate (211); a pressure plate (223) is movably mounted on the bottom end of the movable screw rod (224); limiting plates (225) are fixedly mounted on the left and right sides of the top surface of the pressure plate (223); slots (222) are provided on the left and right sides of the bottom surface of the pressure plate (223); and bolts (221) are threadedly mounted on the left and right sides of the bottom surface of the fixing frame (215).

6. A plate type smoke exhaust valve according to claim 5, characterized in that: The top thread of the bolt (221) penetrates the bottom surface of the fixing frame (215) and extends to the top surface of the fixing frame (215); the bottom thread of the movable screw rod (224) penetrates the top surface of the positioning plate (211) and is movably mounted on the top surface of the pressure plate (223); the top surface of the limiting plate (225) movably penetrates the top surface of the positioning plate (211) and extends to the top surface of the positioning plate (211).

Images