CN216481397U

CN216481397U - Building site is with exhaust apparatus that ventilates

Info

Publication number: CN216481397U
Application number: CN202122159393.9U
Authority: CN
Inventors: 朱明明
Original assignee: Jiangsu Nengchuang Construction Engineering Co ltd
Current assignee: Jiangsu Nengchuang Construction Engineering Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-05-10
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a ventilation and exhaust device for a construction site, which solves the problems that the exhaust device is inconvenient to clean and impurities damage an exhaust fan at present, and comprises a shell, wherein an annular groove is formed in the shell, hollow rods are fixedly arranged at the bottoms of inner cavities of the annular groove at equal angles, and return springs are fixedly arranged at the bottoms of the inner cavities of the hollow rods; according to the exhaust fan, the clamping block is movably clamped with the groove, when the clamping block moves from the groove to the inside of the clamping groove, the clamping block continues to move downwards and compress the return spring until the clamping block completely enters the inside of the annular groove, the rotating rod can be loosened, the return spring returns and extrudes the annular rod, and therefore the clamping block is extruded, the filter screen can be conveniently installed inside the shell and the exhaust fan is shielded, and the problem that large-particle impurities damage the exhaust fan due to exposure of the exhaust fan is solved.

Description

Building site is with exhaust apparatus that ventilates

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a ventilation and exhaust device for a construction site.

Background

The exhaust device comprises an exhaust fan and an exhaust fan, wherein a motor drives blades to rotate to drive airflow, so that air conditioning appliances for exchanging indoor air and outdoor air are also called as the exhaust fan, the exhaust purpose is to remove indoor dirty air, adjust temperature, humidity and sense effect, the exhaust fan is widely applied to families and public places, steel bars or other works are required to be processed indoors in construction sites, and the exhaust fan is required to be installed indoors for ventilation and cooling when the weather is hot.

Current exhaust apparatus often can accumulate the precipitate in its inside when using, and current exhaust apparatus is inconvenient to wash its inside, at later stage maintenance and maintenance convenience very, and the exhaust fan is direct and air contact simultaneously, often can lead to large granule impurity and exhaust fan direct contact and cause its damage.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the ventilation and exhaust device for the construction site, which effectively solves the problems that the exhaust device is inconvenient to clean and impurities damage an exhaust fan at present.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a building site is with ventilation exhaust apparatus, which comprises an outer shell, the ring channel has been seted up to the inside of shell, angle fixed mounting such as the inner chamber bottom of ring channel has the cavity pole, the equal fixed mounting in inner chamber bottom of cavity pole has reset spring, the equal fixed mounting in reset spring's top has the bracing piece, the top fixed mounting of bracing piece has the ring pole, both sides all are seted up flutedly around the top of shell, the inside activity joint of recess has the fixture block, the equal fixed mounting in one side that two fixture blocks are close to each other has the installation piece, fixed mounting has the filter screen between two installation pieces, the inside of shell is equipped with the exhaust fan that is located the filter screen below, the inner chamber of shell is close to bottom fixed mounting and has the gas vent, the gas vent is located the exhaust fan under.

Preferably, the inner cavity of the shell is fixedly provided with a support frame positioned above the exhaust port, and the support frame is fixedly connected with the exhaust fan.

Preferably, the bottom of the exhaust port is fixedly provided with an activated carbon layer, the outer side of the activated carbon layer is fixedly provided with mounting rods at equal angles, and the mounting rods are fixedly connected with the inner part of the shell.

Preferably, a rotating rod is fixedly installed in the middle of the top of the filter screen.

Preferably, the top of the annular rod is provided with a clamping groove, and the two clamping blocks are matched with the clamping groove.

Preferably, the fixture block is matched with the grooves, and the two grooves are communicated with the annular groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the clamping block 16 is movably clamped with the groove 10, when the clamping block 16 moves from the groove 10 to the inside of the clamping groove 14, the clamping block 16 continues to move downwards and compress the return spring 15 until the clamping block 16 completely enters the annular groove 9, the rotating rod 5 can be loosened, the return spring 15 returns and extrudes the annular rod 8, and the clamping block 16 is extruded, so that the filter screen 6 can be conveniently installed in the shell 1 and the exhaust fan 4 is shielded, and the problem that the exhaust fan 4 is damaged by large-particle impurities due to exposure of the exhaust fan 4 is solved.

(2) This is novel through rotating dwang 5 and making filter screen 6 rotate, makes fixture block 16 rotate simultaneously, when fixture block 16 rotated to the inside of recess 10, because reset spring 15 resets this moment, can drive filter screen 6 with dwang 5 and easily upwards pull out to be convenient for filter screen 6's dismantlement has been solved and has been not convenient for carry out abluent problem to 1 inside and exhaust fan 4 of shell.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the housing structure of the present invention;

FIG. 3 is a schematic exploded view of an activated carbon layer according to the present invention;

FIG. 4 is an exploded view of the support rod and the hollow rod of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a hollow shaft; 3. a support bar; 4. an exhaust fan; 5. rotating the rod; 6. a filter screen; 7. a support frame; 8. an annular rod; 9. an annular groove; 10. a groove; 11. an exhaust port; 12. an activated carbon layer; 13. mounting a rod; 14. a card slot; 15. a return spring; 16. a clamping block; 17. and (7) installing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 5, the exhaust fan comprises a housing 1, an annular groove 9 is formed in the housing 1, hollow rods 2 are fixedly installed at the bottoms of inner cavities of the annular groove 9 at equal angles, return springs 15 are fixedly installed at the bottoms of the inner cavities of the hollow rods 2, support rods 3 are fixedly installed at the tops of the return springs 15, an annular rod 8 is fixedly installed at the top of each support rod 3, grooves 10 are formed in the front and rear sides of the top of the housing 1, clamping blocks 16 are movably clamped in the grooves 10, installation blocks 17 are fixedly installed on the sides, close to each other, of the two clamping blocks 16, a filter screen 6 is fixedly installed between the two installation blocks 17, an exhaust fan 4 located below the filter screen 6 is arranged in the housing 1, an exhaust port 11 is fixedly installed in the bottom, close to the inner cavity of the housing 1, and the exhaust port 11 is located right below the exhaust fan 4.

In the second embodiment, on the basis of the first embodiment, the supporting frame 7 located above the exhaust port 11 is fixedly installed in the inner cavity of the housing 1, and the supporting frame 7 is fixedly connected with the exhaust fan 4, so that the exhaust fan 4 is supported by installing the supporting frame 7, and the exhaust fan 4 is prevented from shaking during operation.

In the third embodiment, on the basis of the first embodiment, the activated carbon layer 12 is fixedly installed at the bottom of the exhaust port 11, the installation rods 13 are fixedly installed at equal angles outside the activated carbon layer 12, the installation rods 13 are fixedly connected with the inside of the housing 1, and the exhausted gas is cleaned by installing the activated carbon layer 12, so that the exhausted waste gas is prevented from polluting the air.

Fourth embodiment, on the basis of first embodiment, fixed mounting has dwang 5 in the middle of the top of filter screen 6, through installation dwang 5 to the accessible rotates dwang 5 and makes the rotation of filter screen 6, thereby conveniently installs filter screen 6 in the inside of shell 1.

In the fifth embodiment, on the basis of the first embodiment, the top of the annular rod 8 is provided with the clamping groove 14, and both the two clamping blocks 16 are matched with the clamping groove 14, so that the clamping blocks 16 can slide in the clamping groove 14.

Sixth embodiment, on the basis of the first embodiment, the fixture block 16 is matched with the groove 10, and the two grooves 10 are communicated with the annular groove 9, so that the fixture block 16 can enter the inside of the clamping groove 14 from the groove 10, and the filter screen 6 is convenient to disassemble and assemble.

The working principle is as follows: when the exhaust fan is used, firstly, the two clamping blocks 16 are clamped and enter the inside of the groove 10, meanwhile, the filter screen 6 enters the inside of the shell 1, then the filter screen 6 is continuously pressed down until the clamping block 16 completely enters the inside of the annular groove 9, at the moment, the return spring 15 is compressed, then the rotating rod 5 is rotated, the filter screen 6 drives the clamping block 16 to rotate until the clamping block 16 is separated from the groove 10, at the moment, the rotating rod 5 is loosened, at the moment, the return spring 15 is reset to extrude the clamping block 16, finally, the installation of the filter screen 6 is completed, when the exhaust fan is exhausted, the external large-particle impurities are blocked through the filter screen 6, when the inside of the shell 1 and the exhaust fan 4 are cleaned, the rotating rod 5 is rotated at first, the rotation of the filter screen 6 and the clamping block 16 is driven simultaneously, so that the clamping block 16 is positioned below the groove 10, at the moment, the return spring 15 is reset, so that the clamping block 16 slowly enters the inside of the groove 10, finally, the filter screen 6 is taken out from the inside of the casing 1, and then the inside of the casing 1 and the outer surface of the exhaust fan 4 are cleaned.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ventilation and exhaust device for construction sites comprises a housing (1), and is characterized in that: the novel air purifier is characterized in that an annular groove (9) is formed in the shell (1), a hollow rod (2) is fixedly arranged at the bottom of an inner cavity of the annular groove (9) at equal angles, a reset spring (15) is fixedly arranged at the bottom of the inner cavity of the hollow rod (2), a support rod (3) is fixedly arranged at the top of the reset spring (15), an annular rod (8) is fixedly arranged at the top of the support rod (3), grooves (10) are formed in the front and rear sides of the top of the shell (1), clamping blocks (16) are movably clamped in the grooves (10), mounting blocks (17) are fixedly arranged on one sides, close to each other, of the two clamping blocks (16), a filter screen (6) is fixedly arranged between the two mounting blocks (17), an exhaust fan (4) located below the filter screen (6) is arranged in the shell (1), and an exhaust port (11) is fixedly arranged at the bottom, close to the inner cavity of the shell (1), the exhaust port (11) is positioned right below the exhaust fan (4).

2. A site ventilation exhaust apparatus in accordance with claim 1, wherein: the inner chamber fixed mounting of shell (1) has support frame (7) that are located gas vent (11) top, and support frame (7) and exhaust fan (4) fixed connection.

3. A site ventilation exhaust apparatus in accordance with claim 1, wherein: the bottom fixed mounting of gas vent (11) has activated carbon layer (12), and the equal angle fixed mounting in the outside of activated carbon layer (12) has installation pole (13), and installation pole (13) all with shell (1) inside fixed connection.

4. A site ventilation exhaust apparatus in accordance with claim 1, wherein: and a rotating rod (5) is fixedly installed in the middle of the top of the filter screen (6).

5. A site ventilation exhaust apparatus in accordance with claim 1, wherein: the top of the annular rod (8) is provided with a clamping groove (14), and the two clamping blocks (16) are matched with the clamping groove (14).

6. A site ventilation exhaust apparatus in accordance with claim 1, wherein: the clamping block (16) is matched with the grooves (10), and the two grooves (10) are communicated with the annular groove (9).