CN217301044U

CN217301044U - Negative-pressure air fan with efficient ventilation

Info

Publication number: CN217301044U
Application number: CN202220293782.2U
Authority: CN
Inventors: 尤福坤; 尤飞燕
Original assignee: Fujian Aoyou Electrical Co ltd
Current assignee: Fujian Aoyou Electrical Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-08-26
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses a negative-pressure air fan of high-efficient ventilation, the mounting panel comprises a mounting plate, the top fixedly connected with installation shell of mounting panel, the bottom of installation shell inner chamber is provided with the fan body, the equal fixedly connected with locating piece in both sides of fan body bottom, the constant head tank has all been seted up to the both sides of installation shell inner chamber bottom, the bottom of locating piece extends to the inner chamber of constant head tank, the top fixedly connected with mounting box of fan body, the slot has all been seted up at the top of installation shell inner chamber both sides, the front side of mounting box is provided with the rotation piece. The utility model discloses a set up mounting panel, installation shell, fan body, locating piece, constant head tank, mounting box, slot, rotatory piece, threaded rod, thread bush, pinch roller, removal shell, inserted block, slide bar, spring, sliding sleeve and alignment jig, solved the problem that the negative-pressure air fan of current high-efficient ventilation is not convenient for maintain, this negative-pressure air fan of high-efficient ventilation possesses the advantage of being convenient for maintain.

Description

Negative-pressure air fan with efficient ventilation

Technical Field

The utility model relates to a negative-pressure air fan technical field specifically is a negative-pressure air fan of high-efficient ventilation.

Background

Negative-pressure air fan utilizes the cooling principle of air convection, negative pressure take a breath, it is a by the gate or the window nature suction fresh air of installation site, it is outdoor with indoor stifled gaseous rapid forced discharge, the machine that any bad problem of ventilation all can be improved, at present many negative-pressure air fans all possess the advantage of high-efficient ventilation, but the negative-pressure air fan of current high-efficient ventilation adopts the bolt to fix usually, the installation is dismantled and is got up to waste time and energy, need use specialized tool to operate a plurality of bolts, lead to negative-pressure air fan's installation and dismantlement to waste a large amount of time of staff, be unfavorable for negative-pressure air fan's maintenance, negative-pressure air fan's practicality has been reduced, be unfavorable for using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative-pressure air fan of high-efficient ventilation possesses the advantage of being convenient for maintain, has solved the problem that the negative-pressure air fan of current high-efficient ventilation is not convenient for maintain.

In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure fan with high-efficiency ventilation comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a mounting shell, the bottom of an inner cavity of the mounting shell is provided with a fan body, the two sides of the bottom of the fan body are fixedly connected with positioning blocks, the two sides of the bottom of the inner cavity of the mounting shell are respectively provided with a positioning groove, the bottom of the positioning block extends to the inner cavity of the positioning groove, the top of the fan body is fixedly connected with a mounting box, the tops of the two sides of the inner cavity of the mounting shell are respectively provided with an inserting groove, the front side of the mounting box is provided with a rotating block, the rear side of the rotating block is fixedly connected with a threaded rod, the rear end of the threaded rod penetrates to the rear side of the inner cavity of the mounting box and is sequentially sleeved with two threaded sleeves, the two sides of each threaded sleeve are respectively fixedly connected with a pressing wheel, the two sides of the inner cavity of the mounting box are respectively provided with a movable shell, and one side opposite to the two movable shells is fixedly connected with an inserting block, the utility model discloses a threaded sleeve's installation box, including the plug-in block, the plug-in block is kept away from one side of moving the shell and is run through the installation box and extend to the inner chamber of slot, fixedly connected with slide bar between the front side of moving the shell inner chamber and the rear side, the front end and the rear end of slide bar all overlap and are equipped with the spring, the surface of slide bar just is located one side that two springs are relative and all overlaps and be equipped with the sliding sleeve, one side swing joint that the sliding sleeve is close to the thread bush has the alignment jig, the one end that the sliding sleeve was kept away from to the alignment jig and the inner wall swing joint of installation box.

Preferably, mounting holes are formed in four corners of the top of the mounting plate, and threads on the front side and the rear side of the surface of the threaded rod are opposite.

Preferably, the surface of the threaded rod is movably connected with the mounting box through a bearing, and one side of the pressing wheel, which is far away from the threaded sleeve, is movably connected with the adjusting frame.

Preferably, the surface of the sliding sleeve is movably connected with the adjusting frame through a first rotating shaft, and one end, far away from the sliding sleeve, of the adjusting frame is movably connected with the inner wall of the mounting box through a second rotating shaft.

Preferably, the equal fixedly connected with slider in front side and the rear side of removal shell, the spout has all been seted up to the front side and the rear side of mounting box inner chamber, the front side of mounting box inner chamber just is located the equal fixedly connected with gag lever post in both sides of threaded rod, the rear end of gag lever post run through the thread bush and with the inner wall fixed connection of mounting box.

Preferably, the equal fixedly connected with stopper in both sides of fan body, and the surface of stopper contacts with the inner wall of installation shell.

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

1. the utility model discloses a set up mounting panel, installation shell, fan body, locating piece, constant head tank, mounting box, slot, rotatory piece, threaded rod, thread bush, pinch roller, removal shell, inserted block, slide bar, spring, sliding sleeve and alignment jig, solved the problem that the negative-pressure air fan of current high-efficient ventilation is not convenient for maintain, this negative-pressure air fan of high-efficient ventilation possesses the advantage of being convenient for to maintain.

2. The utility model discloses a set up locating piece and constant head tank, can restrict the mounted position of fan body, through setting up the slot, the use of the inserted block of can being convenient for, through setting up the pinch roller, can be used for adjusting the alignment jig, through setting up the spring, can be convenient for two sliding sleeves to middle removal and reset, through setting up slider and spout, can be convenient for move the removal of shell, through setting up the bearing, the rotation of the threaded rod of can being convenient for, through setting up first pivot and second pivot, the use of alignment jig can be convenient for.

Drawings

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

FIG. 2 is a partial cross-sectional view of the structure of the present invention;

fig. 3 is a top cross-sectional view of the mounting case and the mounting box of the present invention.

In the figure: 1. mounting a plate; 2. mounting a shell; 3. a fan body; 4. positioning blocks; 5. positioning a groove; 6. mounting a box; 7. a slot; 8. rotating the block; 9. a threaded rod; 10. a threaded sleeve; 11. a pinch roller; 12. moving the shell; 13. inserting a block; 14. a slide bar; 15. a spring; 16. a sliding sleeve; 17. an adjusting bracket; 18. a slider; 19. a chute; 20. a limiting rod.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-efficiency ventilating negative pressure fan comprises a mounting plate 1, a mounting shell 2 is fixedly connected to the top of the mounting plate 1, a fan body 3 is arranged at the bottom of an inner cavity of the mounting shell 2, positioning blocks 4 are fixedly connected to both sides of the bottom of the fan body 3, positioning grooves 5 are formed in both sides of the bottom of the inner cavity of the mounting shell 2, the bottoms of the positioning blocks 4 extend to inner cavities of the positioning grooves 5, a mounting box 6 is fixedly connected to the top of the fan body 3, slots 7 are formed in both sides of the inner cavity of the mounting shell 2, a rotating block 8 is arranged on the front side of the mounting box 6, a threaded rod 9 is fixedly connected to the rear side of the rotating block 8, the rear end of the threaded rod 9 penetrates to the rear side of the inner cavity of the mounting box 6 and is sequentially sleeved with two threaded sleeves 10, pressing wheels 11 are fixedly connected to both sides of the threaded sleeves 10, and moving shells 12 are arranged on both sides of the inner cavity of the mounting box 6, the opposite sides of the two movable shells 12 are fixedly connected with an insert 13, one side of the insert 13 far away from the movable shell 12 penetrates through the mounting box 6 and extends to the inner cavity of the slot 7, a slide rod 14 is fixedly connected between the front side and the rear side of the inner cavity of the movable shell 12, springs 15 are sleeved at the front end and the rear end of the slide rod 14, a sliding sleeve 16 is sleeved at one side of the surface of the slide rod 14 opposite to the two springs 15, an adjusting frame 17 is movably connected at one side of the sliding sleeve 16 close to the threaded sleeve 10, one end of the adjusting frame 17 far away from the sliding sleeve 16 is movably connected with the inner wall of the mounting box 6, mounting holes are respectively formed at four corners of the top of the mounting plate 1, the threads of the front side and the rear side of the surface of the threaded rod 9 are opposite, the surface of the threaded rod 9 is movably connected with the mounting box 6 through a bearing, one side of the pinch roller 11 far away from the threaded sleeve 10 is movably connected with the adjusting frame 17, and the surface of the sliding sleeve 16 is movably connected with the adjusting frame 17 through a first rotating shaft, one end of the adjusting frame 17 far away from the sliding sleeve 16 is movably connected with the inner wall of the mounting box 6 through a second rotating shaft, the front side and the rear side of the movable shell 12 are fixedly connected with sliding blocks 18, the front side and the rear side of the inner cavity of the mounting box 6 are respectively provided with a sliding groove 19, the front side of the inner cavity of the mounting box 6 and the two sides of the threaded rod 9 are respectively and fixedly connected with a limiting rod 20, the rear end of the limiting rod 20 penetrates through the threaded sleeve 10 and is fixedly connected with the inner wall of the mounting box 6, the two sides of the fan body 3 are respectively and fixedly connected with limiting blocks, the surfaces of the limiting blocks are contacted with the inner wall of the mounting box 2, the mounting position of the fan body 3 can be limited through arranging the positioning blocks 4 and the positioning grooves 5, the use of the inserting block 13 can be facilitated through arranging the slots 7, the pressing wheel 11 can be used for adjusting the adjusting frame 17, and the resetting can be facilitated through arranging the springs 15 to move towards the middle of the two sliding sleeves 16, through setting up slider 18 and spout 19, the removal of shell 12 can be convenient for move, through setting up the bearing, the rotation of the threaded rod 9 of can being convenient for, through setting up first pivot and second pivot, the use of the alignment jig 17 of can being convenient for, through setting up mounting panel 1, mounting shell 2, fan body 3, locating piece 4, constant head tank 5, mounting box 6, slot 7, rotatory piece 8, the threaded rod 9, the thread bush 10, pinch roller 11, remove shell 12, inserted block 13, slide bar 14, spring 15, sliding sleeve 16 and alignment jig 17, the problem of the negative-pressure air fan of having solved current high-efficient ventilation be not convenient for maintain, this negative-pressure air fan of high-efficient ventilation, possess the advantage of being convenient for maintain.

When in use, a user rotates the threaded rod 9 through the matching of the rotating block 8, the threaded rod 9 rotates to drive the two threaded sleeves 10 to move towards the middle, the threaded sleeves 10 drive the pressing wheel 11 to move to remove the extrusion on the adjusting frame 17, at the moment, the spring 15 resets to drive the two sliding sleeves 16 to move towards the middle, the sliding sleeves 16 drive the two movable shells 12 to move towards the middle through the matching of the adjusting frame 17, the movable shells 12 drive the inserting blocks 13 to move out of the inserting grooves 7, then the mounting box 6 can be moved upwards to drive the fan body 3 to be disassembled, when in need of installation, the user moves the mounting box 6 to drive the fan body 3 to enter the mounting shell 2, the fan body 3 drives the positioning blocks 4 to enter the positioning grooves 5, at the moment, the inserting blocks 13 correspond to the inserting grooves 7, then the threaded rod 9 is rotated through the matching of the rotating block 8, the threaded rod 9 rotates to enable the two threaded sleeves 10 to be away from each other, the threaded sleeves 10 drive the pressing wheel 11 to extrude the adjusting frame 17, the adjusting frame 17 is driven to turn over, the adjusting frame 17 drives the two movable shells 12 to be away from each other through the matching of the sliding sleeve 16 and the sliding rod 14, the movable shells 12 drive the inserting blocks 13 to enter the inserting grooves 7, the installation is completed, and the device is convenient and fast.

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 a negative-pressure air fan of high-efficient ventilation, includes mounting panel (1), its characterized in that: the fan comprises a mounting plate (1), a fan body (3) is arranged at the bottom of an inner cavity of the mounting plate (1), positioning blocks (4) are fixedly connected to two sides of the bottom of the fan body (3), positioning grooves (5) are formed in two sides of the bottom of the inner cavity of the mounting plate (2), the bottom of each positioning block (4) extends to the inner cavity of each positioning groove (5), a mounting box (6) is fixedly connected to the top of the fan body (3), slots (7) are formed in the tops of two sides of the inner cavity of the mounting plate (2), a rotating block (8) is arranged on the front side of the mounting box (6), a threaded rod (9) is fixedly connected to the rear side of the rotating block (8), the rear end of the threaded rod (9) penetrates through the rear side of the inner cavity of the mounting box (6) and is sequentially provided with two threaded sleeves (10), both sides of the threaded sleeve (10) are fixedly connected with pinch rollers (11), both sides of the inner cavity of the mounting box (6) are provided with movable shells (12), one sides of the two movable shells (12) opposite to each other are fixedly connected with inserting blocks (13), one side of the insert block (13) far away from the movable shell (12) penetrates through the mounting box (6) and extends to the inner cavity of the slot (7), a slide bar (14) is fixedly connected between the front side and the rear side of the inner cavity of the movable shell (12), the front end and the rear end of the sliding rod (14) are both sleeved with springs (15), one side of the surface of the sliding rod (14) opposite to the two springs (15) is both sleeved with a sliding sleeve (16), one side of the sliding sleeve (16) close to the threaded sleeve (10) is movably connected with an adjusting frame (17), one end of the adjusting frame (17) far away from the sliding sleeve (16) is movably connected with the inner wall of the mounting box (6).

2. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: mounting holes are formed in four corners of the top of the mounting plate (1), and threads on the front side and the rear side of the surface of the threaded rod (9) are opposite.

3. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the surface of the threaded rod (9) is movably connected with the mounting box (6) through a bearing, and one side, far away from the threaded sleeve (10), of the pressing wheel (11) is movably connected with the adjusting frame (17).

4. The negative-pressure air blower with high-efficiency ventilation as claimed in claim 1, wherein: the surface of the sliding sleeve (16) is movably connected with the adjusting frame (17) through a first rotating shaft, and one end, far away from the sliding sleeve (16), of the adjusting frame (17) is movably connected with the inner wall of the mounting box (6) through a second rotating shaft.

5. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the front side and the equal fixedly connected with slider (18) of rear side of removal shell (12), spout (19) have all been seted up to the front side and the rear side of mounting box (6) inner chamber, the front side of mounting box (6) inner chamber just is located equal fixedly connected with gag lever post (20) in both sides of threaded rod (9), the rear end of gag lever post (20) run through thread bush (10) and with the inner wall fixed connection of mounting box (6).

6. The negative-pressure air blower with high-efficiency ventilation as claimed in claim 1, wherein: the equal fixedly connected with stopper in both sides of fan body (3), and the surface of stopper contacts with the inner wall of installation shell (2).