CN209908807U

CN209908807U - Dense net protection fan

Info

Publication number: CN209908807U
Application number: CN201920514755.1U
Authority: CN
Inventors: 林琳
Original assignee: Guangzhou Shui Ting Environmental Protection Technology Co Ltd
Current assignee: Guangzhou Shui Ting Environmental Protection Technology Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-07
Anticipated expiration: 2029-04-16

Abstract

The utility model relates to the field of mechanical equipment, concretely relates to dense net protection fan, which comprises an outer shell, the shell front end is equipped with the horizontal pull spout of rectangle, thread groove threaded connection has the bolt, the bolt is still connected in protection network support four corners department, be fixed with the protection network on the protection network support, the installing support inboard is fixed with check dog, installing support front end intermediate position longitudinal fixation has the supporting shoe, the supporting shoe intermediate position rotates and is connected with the axis of rotation, fixedly connected with driven pulleys in the middle of the axis of rotation, axis of rotation rear end fixed mounting has the extraction fan, the cover has belt one end on the driven pulleys, the belt other pot head is on driving pulley, driving pulley connects on driving motor, the pendulum leaf is installed to the shell rear end, it encrypts the net still to have sliding connection in the horizontal pull spout, the utility model provides a can.

Description

Dense net protection fan

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to dense net protection fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan is a Chinese habit short for gas compression and gas conveying machinery, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

The fan plays an important role in actual production life, particularly the exhaust fan plays an indispensable role in the operation process of a water curtain, but protective nets arranged outside the exhaust fan in the prior art are well established, the density of the protective nets cannot be changed according to actual needs, and particularly, some mice are usually drilled into the protective nets to damage the fan in the operation process of a food factory.

To the problem, the utility model designs a dense net protection fan.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a dense net protection fan solves above-mentioned problem as far as possible to a fan that can adjust protection network density as required is provided.

The utility model discloses a following technical scheme realizes:

a dense net protection fan comprises a shell, wherein a rectangular transverse drawing sliding groove is formed in the front end of the shell, a rectangular mounting support is arranged in the middle of the inner side of the shell, thread grooves are symmetrically formed in four corners of the front end of the mounting support, bolts are connected to the thread grooves in a threaded manner and are also connected to the four corners of a protection net support, a protection net is fixed on the protection net support, a round hole is formed in the lower end of the left side of the shell, lattice check blocks are fixed on the inner side of the mounting support, support blocks are longitudinally fixed in the middle of the front end of the mounting support, a rotating shaft is rotatably connected to the middle of the support blocks, a driven belt wheel is fixedly connected to the middle of the rotating shaft, an air suction fan is fixedly installed at the rear end of the rotating shaft, one end of a belt is, the driving motor is provided with a lead, the lead penetrates through the round hole to be connected with a plug, the rear end of the shell is provided with a swing blade, and the transverse drawing sliding groove is also connected with a encryption net in a sliding manner.

Preferably, the protective net comprises cross rods and longitudinal rods, wherein the cross rods and the longitudinal rods are uniformly distributed, and the cross rods and the longitudinal rods are crossed and overlapped.

Preferably, be circular through-hole in the middle of the check piece, this circular through-hole size is greater than the size of aspirating fan, check piece left side lower extreme is equipped with the standing groove that holds driving motor.

Preferably, a rotating round hole is formed in the middle of the supporting block, and the rotating shaft is rotatably connected with the rotating round hole.

Preferably, the middle of the encryption net is provided with a cross rod and a longitudinal rod which are the same as those of the protection net, the density of the encryption net is completely the same as that of the protection net, and the encryption net is matched with the transverse drawing sliding groove.

The utility model has the advantages that: can control protection network density according to actual need through the encryption net that sets up, and then organize mouse etc. and cause the damage to fan inside, the control air input that the pendulum leaf that sets up simultaneously also can be fine is connected to the outside through the round hole with the wire, can save the space of fan, and what messenger's fan can be done is littleer a bit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a rear side view of the present invention;

FIG. 3 is a schematic structural view of the present invention without adding a net;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1-shell, 101-transverse drawing chute, 102-thread groove, 103-round hole, 2-grid block, 3-supporting block, 4-rotating shaft, 5-driven belt wheel, 6-suction fan, 7-belt, 8-driving belt wheel, 9-driving motor, 10-swinging blade, 11-protective net support, 12-cross bar, 13-longitudinal bar, 14-bolt, 15-lead, 16-plug and 17-protective net.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a dense net protection fan comprises a casing 1, a rectangular transverse drawing chute 101 is arranged at the front end of the casing 1, a rectangular mounting bracket is arranged at the middle position of the inner side of the casing 1, thread grooves 102 are symmetrically arranged at the four corners of the front end of the mounting bracket, the thread grooves 102 are in threaded connection with bolts 14, the bolts 14 are further connected to the four corners of a protection net bracket 11, a protection net is fixed on the protection net bracket 11, a round hole 103 is arranged at the lower end of the left side of the casing 1, lattice check blocks 2 are fixed on the inner side of the mounting bracket, support blocks 3 are longitudinally fixed at the middle position of the front end of the mounting bracket, a rotating shaft 4 is rotatably connected at the middle position of the support blocks 2, a driven belt wheel 5 is fixedly connected in the middle of the rotating shaft 4, an air suction fan 6 is fixedly installed at the rear end, the driving motor 9 is provided with a lead 15, the lead 15 is connected with a plug 16 through a round hole 103, the rear end of the shell 1 is provided with a swinging blade 10, and a transverse drawing sliding groove 101 is also connected with a encryption net 17 in a sliding manner.

Specifically, the protection network contains evenly distributed's horizontal pole 12 and evenly distributed's vertical pole 13, horizontal pole 12 and vertical pole 13 alternately coincidence distribution, be circular through-hole in the middle of check dog 2, this circular through-hole size is greater than the size of the fan of

bleeding

6, 2 left side lower extremes of check dog are equipped with the standing groove that holds driving

motor

9, 2 intermediate positions of supporting shoe are equipped with the rotation round hole, axis of rotation 4 rotates and connects this rotation round hole, it is equipped with horizontal pole 12 and vertical pole 13 the same with the protection network to encrypt the net 17 intermediate position, the density of encrypting the net 17 is identical with the density of protection network, it cooperatees with horizontal pull spout 101 to encrypt net 17.

In the utility model, when the device is needed, the device is placed near the water curtain, the swing blade 10 faces the water curtain, the plug 16 is inserted into the power strip, the driving motor 9 drives the driving belt wheel 8 to rotate, so as to drive the driven belt wheel 5 to rotate through the belt 7, the air exhaust fan 6 can rotate to exhaust air, the arranged protective net is used for preventing people or animals from carelessly touching the air exhaust fan 6 when the fan runs, so that the people or animals are injured, and simultaneously, some small animals are prevented from entering the fan to damage the fan to a certain extent, but some small animals, such as mice and the like, can easily enter under the condition that the density of the protective net is not high, so that the arranged encryption net 17 is manually drawn and pulled for a certain distance in the transverse drawing and pulling chute 101 to increase the density, thereby preventing the mice and the like from damaging the inside of the fan, when the encrypted net is not needed to be used, the encrypted net can be drawn out, or the protective net can be pushed to the position where the encrypted net cross rods 12 and the encrypted net longitudinal rods 13 are completely overlapped.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a close net protection fan, includes shell (1), its characterized in that: the front end of the shell (1) is provided with a rectangular transverse drawing sliding groove (101), the middle position of the inner side of the shell (1) is provided with a rectangular mounting bracket, four corners of the front end of the mounting bracket are symmetrically provided with thread grooves (102), the thread grooves (102) are in threaded connection with bolts (14), the bolts (14) are further connected with four corners of a protective net bracket (11), a protective net is fixed on the protective net bracket (11), the lower end of the left side of the shell (1) is provided with a round hole (103), lattice check blocks (2) are fixed on the inner side of the mounting bracket, a supporting block (3) is longitudinally fixed at the middle position of the front end of the mounting bracket, a rotating shaft (4) is rotatably connected at the middle position of the supporting block (3), a driven belt pulley (5) is fixedly connected at the middle of the rotating shaft (4), the cover has belt (7) one end on driven pulley (5), belt (7) other pot head is on drive pulley (8), drive pulley (8) are connected on driving motor (9), install wire (15) on driving motor (9), wire (15) are passed round hole (103) and are connected with plug (16), shell (1) rear end is installed and is swung leaf (10), it has encryption net (17) to go back sliding connection in horizontal pull spout (101).

2. The dense net protection fan according to claim 1, characterized in that: the protective net comprises cross rods (12) which are uniformly distributed and longitudinal rods (13) which are uniformly distributed, wherein the cross rods (12) and the longitudinal rods (13) are in crossed coincident distribution.

3. The dense net protection fan according to claim 1, characterized in that: the middle of the check block (2) is provided with a circular through hole, the size of the circular through hole is larger than that of the exhaust fan (6), and the lower end of the left side of the check block (2) is provided with a placing groove for accommodating a driving motor (9).

4. The dense net protection fan according to claim 1, characterized in that: the supporting block (3) is provided with a rotating round hole in the middle, and the rotating shaft (4) is rotatably connected with the rotating round hole.

5. The dense net protection fan according to claim 1, characterized in that: the middle of the encryption net (17) is provided with a cross rod (12) and a longitudinal rod (13) which are the same as the protection net, the density of the encryption net (17) is completely the same as that of the protection net, and the encryption net (17) is matched with the transverse drawing sliding groove (101).