Indoor ventilation device for building construction

Abstract

The utility model discloses an indoor ventilation device for building construction, and particularly relates to the technical field of construction ventilation, which comprises a ventilation device shell, a mounting bracket is arranged in the ventilation device shell, mounting flanges are arranged on two sides of one end of the ventilation device shell, and rotary locking blocks are arranged on the outer end surfaces of the mounting flanges. A double-shaft motor is arranged at the upper end of the mounting bracket, and square adaptive blocks are arranged on one sides of output shafts at the two ends of the double-shaft motor; and a threaded locking rod is arranged at one end of the square adaptive block. During actual use, under the corresponding arrangement state of the blocking net, the rotary locking block and the U-shaped mounting block, large sundries on a construction site can be prevented from being sucked into the ventilation device shell to damage the internal structure of the ventilation device shell, the service life of the ventilation device shell is prolonged, meanwhile, the blocking net can be conveniently mounted and dismounted, and the construction efficiency is improved. And when more dust is accumulated on the blocking net, the blocking net can be detached and cleaned in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction ventilation technical field more specifically, the utility model relates to a kind of indoor ventilation device for building construction. BACKGROUND

[0002] Ventilation dust removal device can keep a good state indoors, and indoor static air can be replaced with fresh air, a large amount of dust and building material debris will float in the air in construction site, when worker constructs, the air in the room needs to be induced to the outside, so as to ensure the good environment of construction site, and have certain sterilization effect, for example, the patent of prior art announcement No.CN217526758U discloses a kind of ventilation dust removal device for building energy-saving indoor construction, the body is embedded into wall, the sliding block is pulled out from the sliding plate, and is installed and fixed by screw hole on the sliding block, then power is turned on to start the first motor and the second motor, so that the first rotating rod and the second rotating rod rotate, driving the first fan blade, the second fan blade, the third fan blade and the fourth fan blade to rotate, the first fan blade rotating rapidly in the air outlet slot can discharge the disorderly air containing dust in the room, and the design of the air outlet slot cross section being inclined can compress the airflow, so that the suction force is stronger, the air is discharged faster, and the dust removal effect is better, the second fan blade in the air inlet slot can send fresh air from outside into the room, and the air from outside is filtered by the second filter screen before entering the air inlet slot, so that the wind speed is faster and the ventilation efficiency is better.

[0003] The above-mentioned device, when in use, by setting the third fan blade and the fourth fan blade, the first fan blade cooperates with the third fan blade, the second fan blade cooperates with the fourth fan blade, and the staggered cooperation makes the wind speed faster during rotation, and the effect of ventilation and dust removal is enhanced, by setting the first filter screen and the second filter screen, the dust in the air inlet slot and the air outlet slot can be filtered, but there is a lot of dust and impurities in the construction site, and the surface of the fan blade and the surface of the filter screen are more likely to accumulate dust, which is inconvenient to clean, thereby affecting the ventilation efficiency. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an indoor ventilation device for building construction, and the technical problems to be solved by the utility model are how to conveniently disassemble and clean the ventilation fan blade and the blocking net.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an indoor ventilation device for building construction, comprising a ventilation device shell, an installation support is arranged in the ventilation device shell, installation flanges are arranged on both sides of one end of the ventilation device shell, rotating locking blocks are arranged on the outer end faces of the installation flanges, a double-shaft motor is arranged on the upper end of the installation support, square adapter blocks are arranged on one side of the output shafts at both ends of the double-shaft motor;

[0006] One end of the square adapter block is provided with a threaded locking rod, and the end faces of the square adapter block and the threaded locking rod are provided with an adapter sliding groove.

[0007] In a preferred embodiment, the upper end of the ventilation device shell is provided with a handle, the lower end of the ventilation device shell is provided with a supporting foot, and the outer portions of the two ends of the ventilation device shell are each provided with a blocking net.

[0008] In a preferred embodiment, the outer end face of the blocking net is provided with a U-shaped mounting block, and the outer portions of the two ends of the double-shaft motor are each provided with a rotating adapter block.

[0009] In a preferred embodiment, the outer end face of the threaded locking rod is provided with a locking rotating sleeve, and the outer end face of the rotating adapter block is provided with a plurality of rotating vanes.

[0010] In a preferred embodiment, the middle portion of the rotating adapter block is provided with a square slot, and the two sides of the inner end face of the adapter sliding groove are each provided with an arc-shaped slot.

[0011] In a preferred embodiment, the middle portion of the outer end face of the limiting mounting plate is provided with an arc-shaped protrusion, and the outer side of one end of the limiting mounting plate is provided with a limiting pressing block.

[0012] In a preferred embodiment, the number of rotating locking blocks is a plurality, and the rotating locking blocks are arranged in a ring array state outside the central point of the main view direction of the ventilation device shell, and the double-shaft motor is in an electrically connected state with an external control device.

[0013] In a preferred embodiment, the inner end face of the square adapter block is attached to the outer end face of the square slot, the outer end face of the threaded locking rod is adapted to the inner end face of the locking rotating sleeve through threaded clamping, and the inner end faces of the adapter sliding groove and the arc-shaped slot are adapted to the outer end faces of the limiting mounting plate and the arc-shaped protrusion.

[0014] In a preferred embodiment, the spacing of the inner end faces of the U-shaped mounting blocks in the main view direction is greater than the width of the rotating locking blocks in the main view direction.

[0015] In a preferred embodiment, the diameters of the two side end faces of the limiting mounting plate in the main view direction are less than the outer end face diameter of the threaded locking rod in the main view direction.

[0016] The technical effects and advantages of the present application are as follows:

[0017] The utility model discloses a practical use, through the corresponding setting state of blocking net, rotary locking block and U type mounting block, can avoid the construction site larger sundries being inhaled into the inside of ventilation device shell and damaging its internal structure, increase its service life, can also conveniently install and detach blocking net simultaneously, when the dust of blocking net is accumulated more, can timely detach and clean it, thereby avoiding more dust to the air -guiding effect of rotary vane.

[0018] Meanwhile in the corresponding setting state of locking rotary sleeve, spacing mounting plate, spacing press block, threaded locking rod, adaptive sliding slot and arc slot can conveniently install and detach rotary adaptive block and rotary vane, when the dust and impurity of rotary vane surface is accumulated more, can timely detach and clean it, thereby avoiding more dust to the air -guiding effect of rotary vane. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model.

[0020] Figure 2 It is whole structure schematic diagram of the utility model.

[0021] Figure 3 It is whole right view sectional structure schematic diagram of the utility model.

[0022] Figure 4 It is rotary adaptive block installation structure schematic diagram of the utility model.

[0023] Figure 5 It is whole structure schematic diagram of the utility model Figure 1 A enlarged structure schematic diagram.

[0024] The drawing sign is: 1 ventilation device shell, 2 handle, 3 support foot, 4 installation flange, 5 blocking net, 6 installation support, 7 double shaft motor, 8 rotary adaptive block, 9 square adaptive block, 10 threaded locking rod, 11 adaptive sliding slot, 12 arc slot, 13 rotary locking block, 14 square slot, 15 locking rotary sleeve, 16 spacing mounting plate, 17 arc convex block, 18 spacing press block, 19 U type mounting block, 20 rotary vane. DETAILED DESCRIPTION

[0025] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these example implementations are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example implementations to those skilled in the art. The accompanying drawings are included to provide a further understanding of example implementations and are incorporated in and constitute a part of this disclosure. The drawings are not intended to be restrictive in any way.

[0026] The utility model provides an indoor ventilation device for building construction, as shown in Figure 1 , 2 and 3, including ventilation device shell 1, its inside is equipped with mounting bracket 6, ventilation device shell 1 one end both sides are equipped with mounting flange 4, the upper end of mounting bracket 6 is equipped with double shaft motor 7 can drive double shaft motor 7 to work through external control equipment;

[0027] The upper end of ventilation device shell 1 is equipped with handle 2, can increase the convenience of worker to ventilation device shell 1 carrying handling, the lower end of ventilation device shell 1 is equipped with support foot 3, can effectively increase the stability of ventilation device shell 1 when being placed and working at construction site, the outside of both ends of ventilation device shell 1 is equipped with blocking net 5, can avoid the damage of internal motor by setting blocking net 5 to avoid the suction of larger sundries in the inside of ventilation device shell 1 during indoor construction, the outside of both ends of double shaft motor 7 is equipped with rotary adapter block 8, and double shaft motor 7 and external control equipment present electric connection state.

[0028] As shown in Figure 4 and 5 , the outer end surface of mounting flange 4 is provided with a rotary locking block 13, one side of the output shaft of double shaft motor 7 is provided with a square adapter block 9, which can conveniently install the rotary adapter block 8 on the outer end surface of the square adapter block 9, so that the rotary adapter block 8 can be rotated by the output shaft of the double shaft motor 7, one end of the square adapter block 9 is provided with a threaded locking rod 10, and the end surfaces of the square adapter block 9 and the threaded locking rod 10 are provided with an adapter sliding groove 11.

[0029] The inside of the adapter sliding groove 11 is provided with a limiting mounting plate 16, the outer end surface of the blocking net 5 is provided with a U-shaped mounting block 19, the rotary locking block 13 can be rotated to make the rotary locking block 13 and the U-shaped mounting block 19 in parallel state, then the blocking net 5 can be disassembled, and the convenience of installation and disassembly of the blocking net 5 is effectively increased, the outer end surface of the threaded locking rod 10 is provided with a locking rotary sleeve 15, the outer end surface of the rotary adapter block 8 is provided with a plurality of rotary vanes 20, when the rotary adapter block 8 rotates to drive the rotary vanes 20 to rotate quickly, the indoor dust and air in the construction area can be quickly guided to the outside, so that the air circulation between indoor and outdoor is realized, and the function of ventilation is realized, and a square slot 14 is formed in the middle of the rotary adapter block 8.

[0030] Arc-shaped grooves 12 are formed on both sides of the inner end surface of the adapter sliding groove 11, an arc-shaped protrusion 17 is arranged on the middle of the outer end surface of the limiting mounting plate 16, a limiting pressing block 18 is arranged on the outer side of one end of the limiting mounting plate 16, and a plurality of rotary locking blocks 13 are arranged in a ring array state on the outer side of the central point of the main view direction of the ventilation device shell 1.

[0031] The inner end face of the square adapter block 9 is attached to the outer end face of the square groove 14, the outer end face of the threaded locking rod 10 is adapted to the inner end face of the locking rotary sleeve 15 through threaded clamping, the inner end faces of the adaptive sliding groove 11 and the arc-shaped groove 12 correspond to the outer end faces of the limiting mounting plate 16 and the arc-shaped protrusion 17, after the installation of the rotary adapter block 8 is completed, the limiting mounting plate 16 and the arc-shaped protrusion 17 are inserted into the inner part of the adaptive sliding groove 11 and the arc-shaped groove 12, then the locking rotary sleeve 15 can be installed on the outer end face of the threaded locking rod 10, the locking rotary sleeve 15 is locked on the outer end face of the threaded locking rod 10 by rotating, when the locking rotary sleeve 15 is locked, the limiting pressing block 18 is abutted and pressed on the outer end face of the rotary adapter block 8, so that the stability of the installation of the rotary adapter block 8 is increased.

[0032] The number of the U-shaped mounting blocks 19 is multiple, and the U-shaped mounting blocks 19 are arranged in a ring array state outside the central point of the main view direction of the barrier net 5, the spacing of the inner end faces of the U-shaped mounting blocks 19 in the main view direction is greater than the width of the rotary locking block 13 in the main view direction.

[0033] The number of the limiting pressing blocks 18 is two, and the limiting pressing blocks 18 are arranged in a mirror image state on both sides of the vertical central axis of the limiting mounting plate 16 in the top view direction, the diameters of the two side end faces of the limiting mounting plate 16 in the main view direction are smaller than the outer end face diameter of the threaded locking rod 10 in the main view direction.

[0034] Finally, it should be pointed out that: the utility model discloses the embodiment drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] The above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An indoor ventilation device for construction work, characterized by comprising: Include: Ventilation device shell (1), which is internally provided with a mounting bracket (6), both sides of one end of the ventilation device shell (1) are provided with mounting flanges (4), the outer end face of the mounting flanges (4) is provided with a rotary locking block (13), the upper end of the mounting bracket (6) is provided with a double-shaft motor (7), one side of the output shaft at both ends of the double-shaft motor (7) is provided with a square adapter block (9); One end of the square adapter block (9) is provided with a threaded locking rod (10), the end face of the square adapter block (9) and the threaded locking rod (10) is provided with an adapter sliding groove (11), the inside of the adapter sliding groove (11) is provided with a limiting mounting plate (16).

2. The indoor ventilation device for building construction according to claim 1, characterized in that: The upper end of the ventilation device shell (1) is provided with a handle (2), the lower end of the ventilation device shell (1) is provided with a supporting leg (3), the outside of both ends of the ventilation device shell (1) is provided with a blocking net (5).

3. The indoor ventilation device for building construction according to claim 2, characterized in that: The outer end face of the blocking net (5) is provided with a U-shaped mounting block (19), the outside of both ends of the double-shaft motor (7) is provided with a rotary adapter block (8).

4. The indoor ventilation device for building construction according to claim 3, characterized in that: The outer end face of the threaded locking rod (10) is provided with a locking rotary sleeve (15), the outer end face of the rotary adapter block (8) is provided with a plurality of rotary vanes (20).

5. The indoor ventilation device for building construction according to claim 3, characterized in that: The middle part of the rotary adapter block (8) is provided with a square groove (14), the both sides of the inner end face of the adapter sliding groove (11) is provided with an arc-shaped groove (12).

6. The indoor ventilation device for building construction according to claim 1, characterized in that: The middle part of the outer end face of the limiting mounting plate (16) is provided with an arc-shaped protrusion (17), the outer side of one end of the limiting mounting plate (16) is provided with a limiting pressing block (18).

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