CN213033173U

CN213033173U - Dust collection device for electrical instruments and meters

Info

Publication number: CN213033173U
Application number: CN202021766710.2U
Authority: CN
Inventors: 沈宇航
Original assignee: Shenzhen Zhongyan Technology Co ltd
Current assignee: Shenzhen Zhongyan Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-23
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to the technical field of electrical instruments and meters, and discloses a dust suction device for electrical instruments and meters, which comprises a box body, wherein a first shell is bolted on one side of the box body; the utility model provides a current dust extraction can produce the dust and fly backward and the poor problem of radiating effect, the device is when using, can prevent to be inhaled the inside dust of dust extraction and fall into the inside of electric instrument and meter again, increase the effect of its dust absorption, protect the inside of electric instrument and meter, can dispel the heat to the motor in the dust extraction simultaneously, accelerate the velocity of the wind current on motor surface, make it continuously take away the produced temperature of motor, and its wind current can also blow into the inside of electric instrument and meter again through the ventilation hole, the life of motor has not only been protected, and the inside to electric instrument and meter that lasts blows, make on the accurate part of electric instrument and meter can't fall to its dust, dispel the heat to it simultaneously.

Description

Dust collection device for electrical instruments and meters

Technical Field

The utility model relates to an electrical instrument and meter technical field specifically is an electrical instrument and meter dust extraction.

Background

The electrical instruments and meters are general terms of technical tools required in the process of realizing electromagnetic measurement, and the classification of common electrical instruments and meters is as follows: the electric instrument generates static electricity during use, dust around the electric instrument can be attracted, the dust can enter the inside of the electric instrument through a radiating hole of the electric instrument, and the use of the electric instrument can be influenced due to excessive dust, so that a dust suction device is generally arranged inside the electric instrument, but a lot of problems can occur when the existing dust suction device is used, the dust suction device can start dust suction when the electric instrument is used, but when the electric instrument is closed, reverse suction can be generated inside the electric instrument instantly, the dust sucked into the dust suction device can easily flow backwards, so that the dust falls into the electric instrument again, and meanwhile, a motor in the dust suction device can generate heat during use, the heat dissipation plate is generally used for naturally dissipating heat, but if the working time of the heat dissipation plate is too long, the temperature of the motor can be stably increased, the motor can be damaged, and the precision parts in the electrical instruments and meters can be influenced in a high-temperature state.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrician's instrument and meter dust extraction possesses the advantage that prevents that the dust from falling to fly and the radiating effect is good, has solved current dust extraction and can produce the dust and fall to fly and the poor problem of radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrician's instrument and meter dust extraction, includes the box, one side of box has bolted connection first casing, the inside symmetry of first casing has bolted connection the dog, the inside of first casing is provided with the baffle that passes through the articulated elements with the dog and articulates, the front and the back of box all communicate have the first breather pipe with first casing intercommunication, the bottom of box is provided with dust storage box, dust storage box's top is seted up the opening, the bottom intercommunication of box has the play dirt pipe that runs through to dust storage box inside through the opening, one side of box has bolted connection the second casing, the inside of second casing is provided with the motor, the output of motor runs through to the inside of box and the fixed cup joints centrifugal fan blade, one side of second casing is embedded to have the fan housing, the inside of fan housing is provided with the wind expanding piece, one side intercommunication of wind expanding piece has a plurality of wind expanding pipe, a through groove is formed in one side of the dust storage box, one side of the air expansion block is communicated with an air inlet pipe, one end of the air inlet pipe penetrates through the outside of the air cover and is communicated with a connector inserted into the through groove, and a plurality of vent holes are formed in the surface of the second shell.

Preferably, the inside of the second shell is symmetrically bolted with support blocks clamped with the motor.

Preferably, the inside of the fan housing is symmetrically bolted with limiting rods matched with the air expansion blocks for use.

Preferably, the top of the dust storage box is symmetrically bolted with connecting blocks, and the inner threads of the connecting blocks are connected with screws.

Preferably, the surface of the connector is symmetrically bolted with inserting blocks, one side of the dust storage box is symmetrically bolted with limiting blocks, and one side of the dust storage box is symmetrically provided with inserting rods matched with the inserting blocks and the limiting blocks.

Preferably, the dust storage box is bolted with a support frame in the inside, and a dust screen is installed in the support frame.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model solves the problem that the existing dust suction device can generate dust to fly backwards through the arrangement of the first shell, the stop block, the baffle and the first vent pipe, and when the device is used, the dust sucked into the dust suction device can be prevented from falling into the electric instruments and meters, so that the dust suction effect is improved, and the interior of the electric instruments and meters is protected;

the utility model discloses a fan housing, expand the wind piece, expand the tuber pipe, lead to the groove, the air-supply line, the setting in connector and ventilation hole, the poor problem of current dust extraction radiating effect has been solved, the device is when using, can dispel the heat to the motor in the dust extraction, accelerate the velocity of the air current flow on motor surface, make it continuously take away the produced temperature of motor, and its air current can also blow into the inside of electrician's instrument and meter again through the ventilation hole, the life of motor has not only been protected, and the inside to electrician's instrument and meter that lasts blows, make on the unable accurate part that falls to electrician's instrument and meter of its dust, dispel the heat to it simultaneously, the device powerful, and simple structure, and is worth using widely.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a first housing; 3. a stopper; 4. a baffle plate; 5. a first vent pipe; 6. a dust storage box; 7. an opening; 8. a dust outlet pipe; 9. a second housing; 10. a motor; 11. centrifuging the fan blades; 12. a fan housing; 13. a wind spreading block; 14. an air expanding pipe; 15. a through groove; 16. an air inlet pipe; 17. a connector; 18. a vent hole; 19. a support block; 20. a limiting rod; 21. connecting blocks; 22. a screw; 23. inserting a block; 24. a limiting block; 25. inserting a rod; 26. a dust screen; 27. and (4) supporting the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a dust suction device for electrical instruments and meters comprises a box body 1, a first housing 2 is bolted on one side of the box body 1, stoppers 3 are symmetrically bolted inside the first housing 2, a baffle 4 hinged with the stoppers 3 through an articulated element is arranged inside the first housing 2, a first vent pipe 5 communicated with the first housing 2 is communicated with the front and the back of the box body 1, a dust storage box 6 is arranged at the bottom of the box body 1, an opening 7 is arranged at the top of the dust storage box 6, a dust outlet pipe 8 penetrating into the dust storage box 6 through the opening 7 is communicated with the bottom of the box body 1, a second housing 9 is bolted on one side of the box body 1, a motor 10 is arranged inside the second housing 9, an output end of the motor 10 penetrates into the box body 1 and is fixedly sleeved with a centrifugal fan blade 11, a fan housing 12 is embedded in one side of the second housing 9, a wind expansion block 13 is arranged inside the fan housing 12, one side of the air expansion block 13 is communicated with a plurality of air expansion pipes 14, one side of the dust storage box 6 is provided with a through groove 15, one side of the air expansion block 13 is communicated with an air inlet pipe 16, one end of the air inlet pipe 16 penetrates outside the air cover 12 and is communicated with a connector 17 which is inserted into the through groove 15, the surface of the second shell 9 is provided with a plurality of vent holes 18, the problems that the existing dust suction device can generate dust falling and has poor heat dissipation effect are solved through the arrangement of the first shell 2, the stop block 3, the baffle 4, the first vent pipe 5, the air cover 12, the air expansion block 13, the air expansion pipes 14, the through groove 15, the air inlet pipe 16, the connector 17 and the vent holes 18, when the dust suction device is used, the dust sucked into the dust suction device can be prevented from falling into the electric instrument and meter, the dust suction effect is improved, the inside of the electric instrument and meter is protected, and a motor in the dust suction device can dissipate heat, accelerate the velocity of wind current on motor surface, make it continuously take away the produced temperature of motor to its wind current can also blow into electrician's instrument and meter's inside again through the ventilation hole, not only protected the life of motor, what last moreover blows to electrician's instrument and meter's inside, makes on the unable precision part that falls to electrician's instrument and meter of its dust, dispels the heat to it simultaneously, the device powerful, and simple structure is worth using widely.

Furthermore, the interior of the second housing 9 is symmetrically bolted with supporting blocks 19 which are clamped with the motor 10, and the motor 10 is fixed by the supporting blocks 19.

Furthermore, limiting rods 20 matched with the air expansion blocks 13 for use are symmetrically bolted in the air cover 12, and the air expansion blocks 13 are supported and limited through the limiting rods 20.

Further, the top symmetry bolt of dust storage box 6 has connecting block 21, and the internal thread of connecting block 21 is connected with screw rod 22, sets up through connecting block 21 and screw rod 22, and is spacing to dust storage box 6.

Furthermore, the surface of the connector 17 is symmetrically bolted with a plug block 23, one side of the dust storage box 6 is symmetrically bolted with a limiting block 24, one side of the dust storage box 6 is symmetrically provided with a plug rod 25 which is matched with the plug block 23 and the limiting block 24 for use, and the connector 17 can be limited by the arrangement of the plug block 23, the limiting block 24 and the plug rod 25.

Further, a supporting frame 27 is bolted to the inside of the dust storage box 6, a dust screen 26 is installed inside the supporting frame 27, and dust can be prevented from entering the inside of the second housing 9 by the arrangement of the supporting frame 27 and the dust screen 26.

The working principle is as follows: when the air cooling device works, the motor 10 is started, the motor 10 drives the centrifugal fan blades 11 to rotate, the centrifugal fan blades 11 rotate to generate suction force, the suction force can suck dust into the inside of the first shell 2, meanwhile, the baffle plate 4 can upwards turn around the hinged part under the action of the suction force, the dust enters the first shell 2, is sucked into the box body 1 through the first vent pipe 5 and then falls into the dust storage box 6 through the dust outlet pipe 8, meanwhile, the dust-carrying airflow sucked into the centrifugal fan blades 11 can be filtered through the dust screen 26 to filter the dust, the dustless airflow enters the air inlet pipe 16 through the connector 17 and then is blown into the air diffusion block 13 through the air inlet pipe 16, the airflow continuously blows the motor 10 in the second shell 9 under the action of the air diffusion pipe 14 on the air diffusion block 13 and then is blown out through the vent holes 18, so that the effect of heat dissipation of the motor 10 is achieved, and can make the air current that blows away produce the protecting effect to electrical instrument's inside, further strengthen the inside dustproof and radiating effect of its electrical instrument, simultaneously when motor 10 closes the back, its baffle 4 can disappear because of suction, can use the articulated elements to overturn downwards as the center under the effect of gravity, laminate with dog 3, can be kept off by baffle 4 by the inspiratory dust, prevent its inside of falling into electrical instrument, alright like this with reach the effect that prevents the dust and fall to fly, the protection to electrical instrument inside has been strengthened.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electrical instrument and meter dust extraction, includes box (1), its characterized in that: the dust collecting box is characterized in that a first shell (2) is bolted on one side of the box body (1), a stop block (3) is symmetrically bolted on the inner side of the first shell (2), a baffle (4) hinged with the stop block (3) through an articulated piece is arranged in the first shell (2), the front side and the back side of the box body (1) are both communicated with a first vent pipe (5) communicated with the first shell (2), a dust storage box (6) is arranged at the bottom of the box body (1), an opening (7) is formed in the top of the dust storage box (6), a dust outlet pipe (8) penetrating through the opening (7) to the inner side of the dust storage box (6) is communicated with the bottom of the box body (1), a second shell (9) is bolted on one side of the box body (1), a motor (10) is arranged in the second shell (9), the output end of the motor (10) penetrates through the inner side of the box body (1) and is fixedly sleeved with a centrifugal fan blade (11), one side of second casing (9) is embedded to have fan housing (12), the inside of fan housing (12) is provided with expands wind piece (13), the one side intercommunication that expands wind piece (13) has a plurality of to expand tuber pipe (14), logical groove (15) have been seted up to one side of dust storage box (6), the one side intercommunication that expands wind piece (13) has air-supply line (16), the one end of air-supply line (16) runs through to the outside and the intercommunication of fan housing (12) has connector (17) with logical groove (15) grafting, a plurality of ventilation hole (18) have been seted up on the surface of second casing (9).

2. An electrical instrument dust extraction device according to claim 1, wherein: and supporting blocks (19) clamped with the motor (10) are symmetrically bolted in the second shell (9).

3. An electrical instrument dust extraction device according to claim 1, wherein: limiting rods (20) matched with the air expansion blocks (13) are symmetrically bolted in the fan cover (12).

4. An electrical instrument dust extraction device according to claim 1, wherein: the top of the dust storage box (6) is symmetrically bolted with connecting blocks (21), and the inner threads of the connecting blocks (21) are connected with screws (22).

5. An electrical instrument dust extraction device according to claim 1, wherein: the connector is characterized in that plug blocks (23) are symmetrically bolted on the surface of the connector (17), limiting blocks (24) are symmetrically bolted on one side of the dust storage box (6), and plug rods (25) matched with the plug blocks (23) and the limiting blocks (24) for use are symmetrically arranged on one side of the dust storage box (6).

6. An electrical instrument dust extraction device according to claim 1, wherein: the dust storage box is characterized in that a supporting frame (27) is bolted in the dust storage box (6), and a dust screen (26) is mounted in the supporting frame (27).