CN217618853U

CN217618853U - Automatic net device that trades of people's air defense ventilation pipe

Info

Publication number: CN217618853U
Application number: CN202220187960.3U
Authority: CN
Inventors: 朱磊; 项炜; 马宏涛; ***; 文景云
Original assignee: Shaanxi Tuoda Civil Air Defense Engineering Co ltd
Current assignee: Shaanxi Tuoda Civil Air Defense Engineering Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-10-21
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses an automatic device of trading net of people's air defense ventilation pipe, which comprises an outer shell, the inner chamber clearance fit of shell has an annular section of thick bamboo, two the logical inslot wall of groove piece all slides and links to each other there is the knee-lever, two the equal clearance fit of outer wall of knee-lever has the sleeve, two the sleeve runs through respectively in the outer wall both sides of an annular section of thick bamboo, two the knee-lever supports respectively tightly in the inner wall both sides of shell through two recesses. This automatic net device that trades of people's air defense ventilation pipe, pass through the screw rod, the handle, a screw thread section of thick bamboo, the groove piece, the spout, the curved bar, cooperation between sleeve and the recess, make the screw rod accessible link to each other with the screw thread of a screw thread section of thick bamboo and drive the groove piece and carry out longitudinal movement at the inner wall of spout, and the groove piece accessible links to each other with the slip of curved bar and drives the curved bar and carry out lateral shifting at telescopic inner wall, when the curved bar supports the recess tightly, make the filter screen can be fixed at the inner chamber of shell, the inconvenient problem of changing the clearance to the filter screen of oil net dust remover in the use has been solved.

Description

Automatic screen changing device for civil air defense ventilation pipe

Technical Field

The utility model relates to a people's air defense technical field specifically is an automatic device of trading net of people's air defense ventilation pipe.

Background

Adopt the oil net dust remover to carry out the colating to the inside air of external entering engineering among the civil air defense engineering usually, the oil net dust remover can be because the dust is too much and block up the filter screen when long-time use, influences the result of use, leads to the oil net dust remover need often change the clearance filter screen in the use, has increased routine maintenance's work load, and the environment is bad and slight in wartime, changes more difficultly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic device of trading of people's air defense ventilation pipe to solve the inconvenient problem of changing the clearance to the filter screen of the oil net dust remover that provides in the above-mentioned background art in the use.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic screen changing device for a civil air defense ventilation pipe comprises a shell, wherein an annular cylinder is in clearance fit with an inner cavity of the shell, a filter screen is fixedly connected to an inner ring of the annular cylinder, and fixing mechanisms are arranged on two sides of the interior of the annular cylinder;

the fixing mechanism comprises a screw rod, a handle, a threaded cylinder, a groove block, a sliding groove, a curved bar, a sleeve and a groove;

two the screw rod rotates respectively through the bearing and links to each other in the outer wall bottom of an annular section of thick bamboo, two the equal rigid coupling in bottom of screw rod has the handle, two the equal screw thread of outer wall of screw rod links to each other threaded section of thick bamboo, two the equal rigid coupling in top of a threaded section of thick bamboo has the groove piece, two the groove piece slides respectively through two spouts and links to each other in the inner chamber both sides of an annular section of thick bamboo, two the logical inslot wall of groove piece slides respectively and links to each other has the knee-lever, two the equal clearance fit of outer wall of knee-lever has the sleeve, two the sleeve runs through respectively in the outer wall both sides of an annular section of thick bamboo, two the knee-lever supports respectively tightly in the inner wall both sides of shell through two recesses.

Preferably, the top and the bottom of the housing are bolted with a cover body through two flanges respectively.

Preferably, both sides of the inner cavity of the shell are provided with a vibration mechanism;

the vibration mechanism comprises a rotating rod, a rotating disc, a spring and a knocking ball;

the two rotating rods are respectively and rotatably connected to two sides of the inner cavity of the shell through bearings, one ends of the two rotating rods are fixedly connected with rotary tables, the outer walls of the two rotary tables are fixedly connected with a plurality of springs, one ends of the springs are fixedly connected with knocking balls, and the bottom of each spring is tightly abutted to two sides of the top of the filter screen.

Preferably, transmission mechanisms are arranged on two sides of the outer wall of the shell;

the transmission mechanism comprises a motor, a driving wheel and a driven wheel;

the two motors are respectively installed on two sides of the outer wall of the shell, the output ends of the two motors are fixedly connected with driving wheels, one sides of the driving wheels are respectively connected with driven wheels in a meshed mode, and the driven wheels are respectively and fixedly connected to one ends of the two rotating rods.

Preferably, the outer wall both sides of shell all the rigid coupling have a fixed plate, two the fixed plate rotates respectively through the bearing and links to each other in the output outer wall of two motors.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This automatic device of trading net of people's air defense ventilation pipe, through the screw rod, the handle, a screw thread section of thick bamboo, the groove piece, the spout, the curved bar, cooperation between sleeve and the recess, make the device when using, user turning handle, make the screw rod accessible link to each other with the screw thread of a screw thread section of thick bamboo drive the groove piece and carry out longitudinal movement at the inner wall of spout, and the groove piece accessible links to each other with the slip of curved bar and drives the curved bar and carry out lateral shifting at telescopic inner wall, when the curved bar supports the recess tightly, make the filter screen can be fixed at the inner chamber of shell, the inconvenient problem of changing the clearance to the filter screen of oil net dust remover in the use has been solved.

Through motor, action wheel, from driving wheel, bull stick, carousel, spring and strike the cooperation between the ball for the device is when using, and the work of motor can drive the action wheel and rotate, and action wheel accessible and the meshing of following between the driving wheel link to each other and drive bull stick and carousel rotation, utilizes the elastic deformation of spring this moment, makes pivoted carousel accessible spring drive to strike the frame of batting to the filter screen and vibrate and strike, has solved the inside of filter screen and has had the accumulational problem of dust easily.

Through the cooperation between shell, flange and the lid for the device is when using, through revolving the bolt of twisting on the flange, makes the equal quick separation in the top and the bottom of shell of two lids, and the accessible is twisted the twist handle and is taken off the filter screen and wash or change this moment, and is comparatively convenient, has certain practicality.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the cover, flange and housing of FIG. 1;

FIG. 3 is a schematic view of the handle, screen and annulus of FIG. 2;

fig. 4 is a schematic structural view of the motor, the rotating rod and the spring in fig. 2.

In the figure: 1. the device comprises a shell, 2, an annular cylinder, 3, a filter screen, 4, a fixing mechanism, 401, a screw rod, 402, a handle, 403, a threaded cylinder, 404, a groove block, 405, a sliding groove, 406, a curved rod, 407, a sleeve, 408, a groove, 5, a vibrating mechanism, 501, a rotating rod, 502, a rotating disk, 503, a spring, 504, a knocking ball, 6, a transmission mechanism, 601, a motor, 602, a driving wheel, 603, a driven wheel, 7, a fixing plate, 8, a flange, 9 and a cover body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides a technical solution: an automatic net changing device for a civil air defense ventilation pipe comprises a shell 1, an annular cylinder 2 is in clearance fit with the inner cavity of the shell 1, a filter screen 3 is fixedly connected to the inner ring of the annular cylinder 2, fixing mechanisms 4 are arranged on two sides inside the annular cylinder 2, each fixing mechanism 4 comprises a screw 401, a handle 402, a thread cylinder 403, a groove block 404, a sliding groove 405, a curved rod 406, a sleeve 407 and a groove 408, the two screws 401 are respectively and rotatably connected to the bottom of the outer wall of the annular cylinder 2 through bearings, the bottom ends of the two screws 401 are respectively and fixedly connected with the handle 402, so that the handle 402 can drive the screws 401 to rotate, the outer walls of the two screws 401 are respectively and rotatably provided with thread cylinders 403, the top ends of the two thread cylinders 403 are respectively and fixedly connected with the groove block 404, the two groove blocks 404 are respectively and slidably connected to two sides of the inner cavity of the annular cylinder 2 through the two sliding grooves 405, but rotate the screw rod accessible and link to each other with the screw thread of a screw thread section of thick bamboo 403 and drive channel block 404 and carry out stable longitudinal movement at the inner wall of spout 405, the logical inslot wall of two channel blocks 404 all slides and links up has curved bar 406, the equal clearance fit of outer wall of two curved bars 406 has sleeve 407, two sleeves 407 run through respectively in the outer wall both sides of annular section of thick bamboo 2, channel block 404 accessible links up with the sliding of curved bar 406 and drives curved bar 406 and carry out lateral shifting at the inner wall of sleeve 407, two curved bars 406 support tightly in the inner wall both sides of shell 1 respectively through two recesses 408, when curved bar 407 supports tightly recess 408, make filter screen 3 can be fixed in the inner chamber of shell 1, the top and the bottom of shell 1 have lid 9 through two flanges 8 bolted connection respectively, the design of flange 8, in order to dismantle fast.

Vibration mechanism 5 is all equipped with to the inner chamber both sides of shell 1, vibration mechanism 5 includes bull stick 501, carousel 502, spring 503 and strikes ball 504, two bull sticks 501 rotate respectively through the bearing and link to each other in the inner chamber both sides of shell 1, the equal rigid coupling of one end of two bull sticks 501 has carousel 502, make bull stick 501 drive carousel 502 rotate, the equal rigid coupling of outer wall of two carousel 502 has a plurality of springs 503, the equal rigid coupling of one end of a plurality of springs 503 strikes ball 504, two bottom strike balls 504 support respectively tightly in the top both sides of filter screen 3, utilize the elastic deformation of spring 503, make pivoted carousel 502 accessible spring 503 drive strike ball 504 and carry out the vibration to the frame of filter screen 3 and strike the ball.

The outer wall both sides of shell 1 all are equipped with drive mechanism 6, drive mechanism 6 includes motor 601, action wheel 602 and from driving wheel 603, install respectively in the outer wall both sides of shell 1 for two motors 601, the user can select the model of motor 601 according to actual demand, the equal rigid coupling of output of two motors 601 has action wheel 602, make motor 601 drive action wheel 602 rotate, one side of two action wheels 602 all meshes and links to each other from driving wheel 603, two from the one end of driving wheel 603 rigid coupling in two bull sticks 501 respectively, action wheel 602 accessible and the meshing of following between the driving wheel 603 link to each other and drive bull stick 501 and carousel 502 and rotate, the equal rigid coupling in outer wall both sides of shell 1 has fixed plate 7, two fixed plates 7 rotate respectively through the bearing and link to each other in the output outer wall of two motors 601, motor 601 output pivoted stability has been increased.

When using this automatic device of trading net of people's air defense ventilation pipe, the user rotates handle 402 for screw rod 401 accessible links to each other with the screw of a screw section of thick bamboo 403 and drives channel block 404 and carry out longitudinal movement at the inner wall of spout 405, and channel block 405 accessible links to each other with the slip of curved bar 406 and drives curved bar 406 and carry out lateral shifting at the inner wall of sleeve 407, when curved bar 407 supports recess 408 tightly, make filter screen 3 can be fixed in the inner chamber of shell 1, the inconvenient problem of changing the clearance to the filter screen of oil net dust remover in the use has been solved. At this moment, the cover body 9 and the shell 1 are connected through the flange 8 by bolts, then the motor 601 is connected with an external power supply, so that the motor 601 can work to drive the driving wheel 602 to rotate, the driving wheel 602 can be connected with the driven wheel 603 through meshing to drive the rotating rod 501 and the rotating disc 502 to rotate, at the moment, the elastic deformation of the spring 503 is utilized, the rotating disc 502 can drive the knocking ball 504 to vibrate and knock the frame of the filter screen 3 through the spring 503, and the problem that dust is easily accumulated in the filter screen is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 automatic device of trading net of people's air defense ventilation pipe, includes shell (1), the inner chamber clearance fit of shell (1) has an annular section of thick bamboo (2), the inner circle rigid coupling of an annular section of thick bamboo (2) has filter screen (3), its characterized in that: fixing mechanisms (4) are arranged on two sides of the interior of the annular cylinder (2);

the fixing mechanism (4) comprises a screw (401), a handle (402), a thread cylinder (403), a groove block (404), a sliding groove (405), a curved rod (406), a sleeve (407) and a groove (408);

two screw rod (401) rotate respectively through the bearing and link to each other in the outer wall bottom of an annular section of thick bamboo (2), two the equal rigid coupling in bottom of screw rod (401) has handle (402), two the outer wall of screw rod (401) all the screw thread has linked to each other threaded section of thick bamboo (403), two the equal rigid coupling in top of a threaded section of thick bamboo (403) has groove piece (404), two groove piece (404) slide respectively through two spout (405) and link to each other in the inner chamber both sides of an annular section of thick bamboo (2), two the logical inslot wall of groove piece (404) all slides and links to each other curved bar (406), two the equal clearance fit of outer wall of curved bar (406) has sleeve (407), two sleeve (407) run through respectively in the outer wall both sides of an annular section of thick bamboo (2), two curved bar (406) support respectively tightly in the inner wall both sides of shell (1) through two recess (408).

2. The automatic screen changing device for the civil air defense ventilation pipe according to claim 1, characterized in that: the top and the bottom of the shell (1) are respectively bolted with a cover body (9) through two flanges (8).

3. The automatic screen changing device for the civil air defense ventilation pipe according to claim 1, characterized in that: both sides of the inner cavity of the shell (1) are provided with vibration mechanisms (5);

the vibration mechanism (5) comprises a rotating rod (501), a rotating disc (502), a spring (503) and a knocking ball (504);

the two rotating rods (501) are respectively and rotatably connected to two sides of an inner cavity of the shell (1) through bearings, one ends of the two rotating rods (501) are fixedly connected with rotating discs (502), the outer walls of the two rotating discs (502) are fixedly connected with a plurality of springs (503), one ends of the springs (503) are fixedly connected with knocking balls (504), and the two knocking balls (504) at the bottom are respectively and tightly abutted to two sides of the top of the filter screen (3).

4. The automatic screen changing device for the civil air defense ventilation pipe according to claim 1, characterized in that: both sides of the outer wall of the shell (1) are provided with transmission mechanisms (6);

the transmission mechanism (6) comprises a motor (601), a driving wheel (602) and a driven wheel (603);

two motor (601) are installed respectively in the outer wall both sides of shell (1), two the equal rigid coupling of output of motor (601) has action wheel (602), two one side of action wheel (602) all meshes and links to each other from driving wheel (603), two from the one end of driving wheel (603) rigid coupling in two bull sticks (501) respectively.

5. The automatic screen changing device for the civil air defense ventilation pipe according to claim 1, characterized in that: the outer wall both sides of shell (1) all the rigid coupling have fixed plate (7), two fixed plate (7) rotate respectively through the bearing and link to each other in the output outer wall of two motors (601).