Fire safety ventilator convenient to adjust and turn

Abstract

The utility model belongs to the technical field of ventilators, and discloses a fire safety ventilator convenient to adjust and turn, which comprises a fan shell, a protective cover is fixed at the left side end of the fan shell, a mounting frame is fixed in the fan shell, a power motor is fixed at the right side end of the mounting frame, and the left side shaft end of the power motor is connected with fan blades. A corrugated pipe is arranged at the right side end of the fan shell, an air outlet is connected to the right side end of the corrugated pipe, a positioning plate is fixed to the lower end of the right side of the fan shell, a transmission disc is arranged at the lower end of the positioning plate, the two sides of the upper end of the transmission disc are fixed to the fan shell and the positioning plate correspondingly, and a positioning pipe is rotationally connected to the lower end of the transmission disc. A supporting frame is fixed to the lower end of the positioning pipe, a positioning block is connected to the upper end of the right side of the positioning plate, a sliding seat is embedded into the upper end of the positioning block, a positioning ring sleeves the air outlet, and the lower end of the positioning ring is connected with the sliding seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan technology field, concretely is a kind of fire safety fan of easy adjustment steering. BACKGROUND

[0002] Ventilator is relied on the mechanical energy of input, improves gas pressure and sends gas, it is a kind of driven fluid machinery, ventilator is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and the ventilation, dust removal and cooling of building, the ventilation and air induction of boiler and industrial furnace, cooling and ventilation in air conditioning equipment and household appliance equipment, grain drying and selection, wind tunnel air source and air cushion ship's inflation and propulsion etc., ventilator can also be used for fire-fighting smoke exhaust, but the existing fire-fighting ventilator still has some problems when using.

[0003] The existing such as Chinese patent application No. CN202221002913.3 a kind of fire-fighting smoke exhaust ventilator of preventing gas backflow, including shell, the left side of the shell inner wall is fixedly connected with booster cover, the right side of the booster cover is fixedly connected with support block, adjacent two support blocks are rotatably connected with support rod, the surface of the support rod is rotatably connected with baffle, and the surface of the baffle and support block are movably installed with torsion spring;But the angle of existing fire-fighting ventilator installed is not convenient to adjust when using, if there is deviation in the angle of flue gas and air inlet, then the smoke exhaust effect is poor, and its air inlet and air outlet are on the same axis, not convenient to use in different use scenarios.

[0004] Therefore, we propose a kind of fire safety fan of easy adjustment steering, to solve the problems raised in the above. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of fire safety fan of easy adjustment steering to solve the problems that the smoke exhaust angle of existing fire-fighting ventilator is not convenient to adjust when using, smoke exhaust effect is not ideal, and air inlet and air outlet are on the same axis, not convenient to use in different scenarios.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of fire safety fan of easy adjustment steering, including fan shell body:

[0007] The fan shell body left side end is fixed with protective cover, and the inside of fan shell body is fixed with mounting bracket, the right side end of mounting bracket is fixed with power motor, and the left side shaft end of power motor is connected with fan blade;

[0008] The right side end of the fan shell is provided with a bellows, and the right side end of the bellows is connected with an air outlet.

[0009] The right side upper end of the positioning plate is connected with a positioning block, and the upper end of the positioning block is embedded with a sliding seat.

[0010] Preferably, the right side end of the fan shell is designed in a conical structure, and the right side end of the fan shell is in conductive connection with the bellows.

[0011] The above technical scheme is adopted, and the horizontal angle of the air outlet can be adjusted without changing the direction of the air inlet end through the design of the bellows.

[0012] Preferably, the right side end of the air outlet is provided with a filter screen, the air outlet is fixedly connected with a positioning ring, and the lower end of the positioning ring is rotatably connected with the upper end of the sliding seat.

[0013] The above technical scheme is adopted, and the filter screen can prevent sundries from entering the fan, and the sliding seat and the positioning ring can support the bellows and the air outlet, and the position of the sliding seat can be changed to adjust the angle of the air outlet.

[0014] Preferably, the lower end of the positioning block is slidably connected with the positioning plate, and the upper end of the positioning block is provided with a sliding groove, and the sliding seat is slidably connected with the sliding groove.

[0015] The above technical scheme is adopted, and the sliding connection of the positioning plate and the positioning block can facilitate the adjustment of the left and right positions of the sliding seat, and the left and right positions of the sliding seat can be adaptively changed after the angle adjustment of the bellows and the air outlet.

[0016] Preferably, a threaded screw rod penetrates through the front end of the positioning block, the threaded screw rod is rotatably connected with the positioning block, and the rear end of the threaded screw rod is embedded in the sliding seat in the sliding groove in a threaded connection.

[0017] The above technical scheme is adopted, and the threaded connection of the threaded screw rod and the sliding seat can adjust the front and rear positions of the sliding seat when the threaded screw rod is rotated, so as to change the air outlet angle of the air outlet.

[0018] Preferably, a transmission worm gear is arranged in the positioning tube, and the upper end of the transmission worm gear penetrates through the positioning tube and is fixed with the transmission disc, a transmission worm rod penetrates through the right side end of the positioning tube, the transmission worm rod is rotatably connected with the positioning tube, and the transmission worm rod is meshingly connected with the transmission worm gear.

[0019] Adopting the technical scheme, the overall angle of the transmission disc and the fan shell can be adjusted through cooperation of the transmission worm and the transmission worm wheel, the transmission worm drives the transmission worm wheel, the transmission disc, the fan shell and the positioning plate to rotate as a whole, and then the air inlet angle and the air outlet angle are synchronously adjusted, and the use convenience is improved.

[0020] Compared with the prior art, the utility model discloses the beneficial effect is: this convenient adjustment steering's fire control safety ventilation machine,

[0021] 1、 through setting up rotation structure, can adjust the overall placement angle of the ventilation machine when using, avoid moving, improved the convenience of using, adopt worm and gear structure and control, it possesses self -locking characteristic, can keep the stability when using the ventilation machine,

[0022] 2、 through setting up the adjusting structure of air outlet, utilize the corrugated pipe and connect fan shell and air outlet, utilize the adjusting structure can adjust the horizontal angle of air outlet, can adjust the air outlet angle under the condition that the air inlet direction is invariable, improve the scope of application. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view structure schematic drawing of the utility model;

[0024] Figure 2 It is the rear view structure schematic drawing of the utility model;

[0025] Figure 3 It is the section structure schematic drawing of the utility model;

[0026] Figure 4 It is the positioning pipe section structure schematic drawing of the utility model;

[0027] Figure 5 It is the thread screw rod and sliding seat structure schematic drawing of the utility model.

[0028] In the drawing: 1, fan shell;2, protective cover;3, mounting frame;4, power motor;5, fan blade;6, corrugated pipe;7, air outlet;8, positioning plate;9, transmission disc;10, positioning pipe;11, support frame;12, transmission worm;13, transmission worm wheel;14, positioning block;15, positioning ring;16, sliding seat;17, thread screw rod;18, sliding groove. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the present utility model.

[0030] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of fire safety fan of steering is conveniently adjusted, including fan casing 1, fan casing 1 left side end is fixed with protective cover 2, and fan casing 1 inside is fixed with mounting bracket 3, and mounting bracket 3 right side end is fixed with power motor 4, and power motor 4 left side shaft end is connected with fan blade 5;Fan casing 1 right side end is provided with bellow 6, and bellow 6 right side end is connected with air outlet 7, fan casing 1 right side end is designed in conical structure, and fan casing 1 right side end is connected with bellow 6, and air outlet 7 right side end is installed with filter screen;Fan casing 1 right side lower end is fixed with locating plate 8, and locating plate 8 lower end is provided with transmission disc 9, and transmission disc 9 upper end two sides are fixed with fan casing 1 and locating plate 8 respectively, and transmission disc 9 lower end is rotatably connected with locating tube 10, and locating tube 10 lower end is fixed with support frame 11;By the cooperation of support frame 11, locating tube 10 and transmission disc 9, fan casing 1 and locating plate 8 can be fixed, the support of the whole ventilator is completed, when using, power motor 4 drives fan blade 5 to rotate, and then air flow is generated, and protective cover 2 installed on fan casing 1 left side end and filter screen connected on air outlet 7 right end can protect internal fan blade 5, avoid sundries to enter fan casing 1 inside to cause the damage of internal fan blade 5, simultaneously, air outlet 7 connected with bellow 6 can be rotated by a certain angle, so as to change the direction of air outlet.

[0031] The positioning block 14 is connected to the right upper end of the positioning plate 8, and a sliding seat 16 is embedded in the upper end of the positioning block 14; a positioning ring 15 is sleeved outside the air outlet 7, and the lower end of the positioning ring 15 is connected with the sliding seat 16; the air outlet 7 is fixedly connected with the positioning ring 15, and the lower end of the positioning ring 15 is rotatably connected with the upper end of the sliding seat 16; the lower end of the positioning block 14 is slidably connected with the positioning plate 8, and a sliding groove 18 is formed in the upper end of the positioning block 14, and the sliding seat 16 is slidably connected with the sliding groove 18; a threaded lead screw 17 penetrates through the front end of the positioning block 14, and the threaded lead screw 17 is rotatably connected with the positioning block 14, and the threaded lead screw 17 is threadedly connected with the sliding seat 16 embedded in the inside of the sliding groove 18; through the cooperation of the threaded lead screw 17 and the sliding seat 16, the sliding seat 16 can slide in the sliding groove 18 when the threaded lead screw 17 rotates, so as to adjust the position of the positioning ring 15, change the angle of the air outlet 7 by using the positioning ring 15, and adjust the air outlet direction; when the corrugated pipe 6 is bent, the angle, the central position and the left-right position of the air outlet 7 and the positioning ring 15 will change, and the sliding connection design of the positioning block 14 and the positioning plate 8 and the rotary connection design of the positioning ring 15 and the sliding seat 16 make the adjusting structure adaptively adjust according to the direction change of the air outlet 7.

[0032] The transmission worm gear 13 is arranged in the positioning pipe 10, the upper end of the transmission worm gear 13 penetrates the positioning pipe 10 and is fixed with the transmission disc 9, the transmission worm 12 penetrates through the right end of the positioning pipe 10, the transmission worm 12 is rotatably connected with the positioning pipe 10, the transmission worm 12 is meshingly connected with the transmission worm gear 13, the transmission worm 12 can drive the transmission worm gear 13 to rotate, the transmission worm gear 13 drives the transmission disc 9, the fan shell 1 connected with the upper end of the transmission disc 9 and the positioning plate 8 to rotate, so as to change the angle of the whole ventilator, and the worm gear structure itself has self-locking, so as to ensure the stability during use.

[0033] Therefore, a series of work is completed, and the contents not described in detail in the specification belong to the prior art known by those skilled in the art.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fire safety fan for convenient adjustment of steering, comprising a fan housing (1), characterized in that: The left side end of the fan housing (1) is fixed with a protective cover (2), and the inside of the fan housing (1) is fixed with a mounting bracket (3), the right side end of the mounting bracket (3) is fixed with a power motor (4), and the left side shaft end of the power motor (4) is connected with a fan blade (5); The right side end of the fan housing (1) is provided with a bellows (6), and the right side end of the bellows (6) is connected with an air outlet (7), the right side lower end of the fan housing (1) is fixed with a positioning plate (8), the lower end of the positioning plate (8) is provided with a transmission disc (9), and the upper end of the transmission disc (9) is fixed with the fan housing (1) and the positioning plate (8) respectively, the lower end of the transmission disc (9) is rotatably connected with a positioning tube (10), and the lower end of the positioning tube (10) is fixed with a support frame (11); The right side upper end of the positioning plate (8) is connected with a positioning block (14), and the upper end of the positioning block (14) is embedded with a sliding seat (16), the outside of the air outlet (7) is provided with a positioning ring (15), and the lower end of the positioning ring (15) is connected with the sliding seat (16).

2. A fire safety ventilation fan for easy adjustment of the direction of the air flow according to claim 1, characterized in that: The right side end of the fan housing (1) is designed in a conical structure, and the right side end of the fan housing (1) is in conductive connection with the bellows (6).

3. A fire safety ventilation fan for easy adjustment of the direction of the air flow as claimed in claim 1, wherein: The right side end of the air outlet (7) is provided with a filter screen, the air outlet (7) is fixedly connected with the positioning ring (15), and the lower end of the positioning ring (15) is rotatably connected with the upper end of the sliding seat (16).

4. A fire safety ventilation fan for easy adjustment of the direction of the air flow according to claim 3, characterized in that: The lower end of the positioning block (14) is slidably connected with the positioning plate (8), and the upper end of the positioning block (14) is provided with a sliding groove (18), and the sliding seat (16) is slidably connected with the sliding groove (18).

5. A fire safety ventilation fan for easy adjustment of the direction of the air flow according to claim 4, characterized in that: The front end of the positioning block (14) penetrates a threaded screw rod (17), the threaded screw rod (17) is rotatably connected with the positioning block (14), and the rear end of the threaded screw rod (17) is embedded in the sliding groove (18) and is threadedly connected with the sliding seat (16).

6. A fire safety ventilation fan for easy adjustment of direction according to claim 1, characterized in that: The inside of the positioning tube (10) is provided with a transmission worm gear (13), the upper end of the transmission worm gear (13) penetrates the positioning tube (10) and is fixed with the transmission disc (9), the right side end of the positioning tube (10) penetrates a transmission worm (12), the transmission worm (12) is rotatably connected with the positioning tube (10), and the transmission worm (12) is meshingly connected with the transmission worm gear (13).

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