Box-type fan

Abstract

The box-type fan comprises a box-type fan shell and a dustproof mounting box, the dustproof mounting box is fixed to one side of the box-type fan shell, round air inlets are formed in one side of the box-type fan shell and the middle of the dustproof mounting box correspondingly, and a groove-shaped structure for a wind shield to slide is formed in the box-type fan shell; an adjusting rod is fixed to one side of the wind shield, an electric telescopic rod is installed at the bottom of one side of the box type fan shell, an adjusting block is installed at the output end of the electric telescopic rod, and a dustproof frame is inserted into the dustproof installation box. According to the box-type draught fan, the wind shield, the adjusting rod, the electric telescopic rod and the adjusting block are arranged, when the electric telescopic rod drives the adjusting block to ascend, the adjusting block indirectly drives the wind shield to slide in the groove-shaped structure in the box-type draught fan shell through the adjusting rod, and the caliber of the air outlet in one side of the box-type draught fan shell is adjusted; and the pressure of the air quantity passing through the air outlet on one side of the box-type fan shell is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to box type fan technical field especially relates to a box type fan. BACKGROUND

[0002] As a kind of efficient energy-saving ventilation equipment, it produces powerful wind by motor driving wind wheel, realizes air circulation and ventilation, and is widely used in industry, commerce, public facilities and agriculture etc. Box type fan not only is conducive to improving environment, improving production efficiency, but also can provide necessary ventilation support in emergency, is important equipment indispensable in modern society, provides strong support to the development of various trades;

[0003] For the related technology in the above, the inventor believes that at present, the baffle of the air outlet of the traditional box type fan is mostly fixed, so the power of the driving motor is adjusted to determine the air pressure and air speed of the air outlet, which causes high energy consumption and high economic loss during long operation. UTILITY MODEL CONTENT

[0004] To solve the problem of high energy consumption of the traditional box type fan during long operation, a box type fan is provided.

[0005] The box type fan provided in the application adopts the following technical solution:

[0006] A box type fan includes a box type fan shell and a dustproof mounting box, the dustproof mounting box is fixed to one side of the box type fan shell, and a circular air inlet is formed in the middle of the dustproof mounting box and one side of the box type fan shell, a slot structure is formed in the inside of the box type fan shell for the baffle to slide, and the baffle is limited to slide with the slot structure, an adjusting rod is fixed to one side of the baffle, an electric telescopic rod is installed at the bottom of one side of the box type fan shell, an adjusting block is installed at the output end of the electric telescopic rod, and the adjusting block is limited to slide with the adjusting rod, a dustproof frame is inserted into the inside of the dustproof mounting box, and a filter screen is arranged in the inside of the dustproof frame.

[0007] Through the above technical solution, the circular air inlet is used to let the air from outside enter the inside of the impeller through the dustproof mounting box and the box type fan shell, the baffle is used to adjust the air pressure of the rectangular air outlet, the electric telescopic rod moves the adjusting block to move the adjusting rod inside to move the baffle, and the filter screen in the inside of the dustproof frame can filter and remove dust from the air entering the inside of the impeller.

[0008] Optionally, the top of the dustproof frame is fixed with a pull rod, the bottom of the dustproof mounting box is threadedly connected with fastening bolts on both sides, and the two groups of fastening bolts are threadedly connected with the dustproof frame.

[0009] By adopting the above technical scheme, the top of the dustproof frame is fixed with a pull rod, providing a convenient pulling operation point for the operator, and the fastening bolts threadedly connected with the dustproof frame on both sides of the bottom of the dustproof mounting box further enhance the installation stability of the dustproof frame.

[0010] Optionally, the inside of the box-type fan casing is provided with an impeller, one side of the impeller is rotatably and adaptively connected with the circular air inlet, the other side of the impeller is fixed with a connecting shaft, the connecting shaft is rotatably connected with one side of the inside of the box-type fan casing, and a driven wheel is installed in the middle of the connecting shaft.

[0011] By adopting the above technical scheme, the impeller is rotatably and adaptively connected with the circular air inlet, so that external air can enter the inside of the box-type fan casing, and the connecting shaft fixed on the other side of the impeller not only ensures the stable operation of the impeller, but also connects the driven wheel in the middle through the transmission belt and the driving wheel.

[0012] Optionally, a driving motor is arranged on the side of the box-type fan casing away from the dustproof mounting box, a driving wheel is installed at the output end of the driving motor, and a rectangular air outlet is formed in the surface of the box-type fan casing.

[0013] By adopting the above technical scheme, the driving motor arranged on the side of the box-type fan casing away from the dustproof mounting box can provide a rotating power source for the driving wheel.

[0014] Optionally, a transmission belt is sleeved on the outside of the driving wheel, and the other end of the transmission belt is sleeved with the driven wheel.

[0015] By adopting the above technical scheme, the transmission belt sleeved on the outside of the driving wheel can provide a transmission function for the driven wheel.

[0016] Optionally, the driving motor and the electric telescopic rod are electrically connected with an external power source through a control center.

[0017] By adopting the above technical scheme, the driving motor and the electric telescopic rod are electrically connected with an external power source through a control center, realizing centralized control of the fan driving system and the air pressure adjusting system.

[0018] Optionally, the vertical interface of the wind deflector is an arc-shaped structure.

[0019] By adopting the above technical scheme, the vertical interface of the wind deflector is designed as an arc-shaped structure, which can better guide the flow of air.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. The utility model provides a box type fan, through set up baffle, adjusting rod, electric telescopic rod and adjusting block, the inside of box type fan casing is provided with the slot structure for baffle sliding, adjusting rod constitutes limit slip in the slot structure inside adjusting block, when electric telescopic rod drives adjusting block to ascend, adjusting block will indirectly drive baffle to slide in the slot structure inside box type fan casing through adjusting rod, and then the caliber of the air outlet on one side of box type fan casing is adjusted, so as to adjust the pressure of the air volume through the air outlet on one side of box type fan casing.

[0022] 2. The utility model provides a box type fan, through set up dustproof installation box, dustproof frame, filter screen, through the clamping connection of dustproof frame and dustproof installation box, so that the operator holds the pull rod and inserts the dustproof frame into the inside of dustproof installation box, and the filter screen in the dustproof frame filters the air entering the inside of the box type fan casing, and the dustproof frame is stably fastened in the inside of the dustproof installation box by rotating the fastening bolt, preventing the dustproof frame from being accidentally lost or falling off during use. BRIEF DESCRIPTION OF DRAWINGS

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

[0024] Figure 2 It is the overall side view structure schematic diagram of the utility model;

[0025] Figure 3 It is the dustproof frame in the disassembled state cross section structure schematic diagram of the utility model;

[0026] Figure 4 It is the side view cross section structure schematic diagram of the utility model;

[0027] Figure 5 It is the box type fan casing and baffle connection cross section structure schematic diagram of the utility model;

[0028] Figure 6 It is the adjusting rod and adjusting block in the split state structure schematic diagram of the utility model.

[0029] Reference numerals in the drawing: 1, box type fan casing; 2, dustproof installation box; 3, dustproof frame; 4, pull rod; 5, filter screen; 6, fastening bolt; 7, impeller; 8, connecting shaft; 9, driven wheel; 10, driving motor; 11, driving wheel; 12, transmission belt; 13, baffle; 14, adjusting rod; 15, electric telescopic rod; 16, adjusting block. DETAILED DESCRIPTION

[0030] The application will be further described below with reference to the accompanying drawings. Figures 1-6 The application will be further described below with reference to the accompanying drawings.

[0031] As Figures 1-4 shown, the utility model relates to a kind of box type fan, including box type fan casing 1 and dustproof mounting box 2, dustproof mounting box 2 is fixed on the side of box type fan casing 1, and the middle part of dustproof mounting box 2 is also opened with circular air inlet on the side of box type fan casing 1, and the inside of box type fan casing 1 is opened with the slot structure for the sliding of baffle 13, and with baffle 13 each other limit sliding, the side of baffle 13 is fixed with adjusting rod 14, and the bottom of the side of box type fan casing 1 is installed with electric telescopic rod 15, and the output end of electric telescopic rod 15 is installed with adjusting block 16, and with adjusting rod 14 each other limit snap sliding, dustproof mounting box 2 is inserted with dustproof frame 3 in the inside, and dustproof frame 3 is provided with filter screen 5 in the inside;

[0032] Among them, dustproof frame 3 and its built-in filter screen 5 inserted in the inside of dustproof mounting box 2 can effectively block external dust and impurities, avoid them to enter fan inside, by the telescopic action of electric telescopic rod 15, adjusting block 16 can be moved accordingly, and with adjusting rod 14 each other cooperation, to drive baffle 13 to slide in the slot structure inside box type fan casing 1.

[0033] As Figure 1 and Figure 3 shown, the top of dustproof frame 3 is fixed with pull rod 4, and the bottom of dustproof mounting box 2 is screw-connected with fastening bolt 6 on both sides, and two groups of fastening bolt 6 are all screw-connected with dustproof frame 3;

[0034] Among them, when installing or disassembling dustproof frame 3, operator can hold pull rod 4 to operate, which not only improves the convenience of operation, but also reduces the risk of misoperation or hand injury that can occur in the operation process, and operator can adjust the pressing force of fastening bolt 6 to dustproof frame 3 by rotating fastening bolt 6, to ensure that dustproof frame 3 does not loosen or shift during fan operation.

[0035] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 shown, the inside of box type fan casing 1 is provided with impeller 7, and the side of impeller 7 is rotatably connected with circular air inlet, and the other side of impeller 7 is fixed with connecting shaft 8, connecting shaft 8 is rotatably connected with the inside of box type fan casing 1, and the middle part of connecting shaft 8 is installed with driven wheel 9;

[0036] Wherein, by setting the impeller 7 inside the box fan shell 1, and with the circular air inlet rotating and adapting connection, it ensures that the air can be smoothly sucked into the fan inside through the air inlet, and compressed and transmitted by the impeller 7, the other side of the fixed connecting shaft 8 of the impeller 7 not only ensures the stable operation of the impeller, but also through the driving wheel 9 installed in the middle through the transmission belt 12 and the driving wheel 11, so that the driving wheel 9 can receive the power of the driving motor 10, and then drive the impeller 7 to rotate, realize the suction and discharge of air.

[0037] As shown in Figure 2 and Figure 4 , the driving motor 10 is provided on the side of the box fan shell 1 away from the dustproof mounting box 2, and the output end of the driving motor 10 is provided with the driving wheel 11, and the surface of the box fan shell 1 is provided with a rectangular air outlet.

[0038] Wherein, when the driving motor 10 starts, it can drive the driving wheel 11 to rotate, and then drive the driving wheel 9 and the impeller 7 to rotate through the transmission belt 12, so as to realize the normal work of the fan.

[0039] As shown in Figure 4 , the driving wheel 11 is provided with the transmission belt 12, and the other end of the transmission belt 12 is sleeved with the driving wheel 9;

[0040] Wherein, when the driving motor 10 starts, it will drive the driving wheel 11 to rotate, and the transmission belt 12 on the driving wheel can stably transmit the rotating power to the driving wheel 9.

[0041] As shown in Figure 4 , the driving motor 10 and the electric telescopic rod 15 are electrically connected with the external power supply through the control center;

[0042] Wherein, the control center can conveniently control the power on and off of the driving motor 10 and the electric telescopic rod 15, so as to simplify the operation process and improve the use convenience.

[0043] As shown in Figure 4 , Figure 5 and Figure 6 , the vertical interface of the wind shield 13 is arc-shaped structure;

[0044] Wherein, when the fan works, the arc-shaped structure makes the airflow change direction more smoothly when passing through the wind shield 13, reduces the turbulence of the airflow and the loss of energy, so as to improve the efficiency of the fan.

[0045] In implementation, firstly, the box-type fan casing 1 is stably placed in the designated position. Then, the rectangular air outlet on the surface of the box-type fan casing 1 is fixedly connected to the external ventilation duct using the existing installation method. Next, the operator holds the pull rod 4 to insert the dustproof frame 3 into the dustproof mounting box 2. The filter 5 inside the dustproof frame 3 provides dust and impurity removal for the circular air inlet on one side of the box-type fan casing 1. By rotating the fastening bolt 6, the fastening bolt 6 is threaded and fastened to both the dustproof frame 3 and the dustproof mounting box 2, ensuring that the dustproof frame 3 is stably installed inside the dustproof mounting box 2. Then, the drive motor 10 is started through the control center, causing the drive motor 10 to drive the drive wheel 11 to rotate. The drive wheel 11, through the outer transmission belt 12, drives the driven wheel 9 on the connecting shaft 8 to rotate synchronously. In turn, the connecting shaft 8 drives... The impeller 7 rotates inside the casing 1 of the box-type fan. During rotation, the impeller 7 draws in outside air through the air inlet on one side of the casing 1, and then discharges the air through the rectangular exhaust port on the surface of the casing 1. Finally, the electric telescopic rod 15 can be activated by the control center to move the adjusting block 16. The adjusting block 16 forms a limit sliding with the adjusting rod 14. At the same time, the adjusting rod 14 and the baffle plate 13 form an integrated structure. In addition, the baffle plate 13 has a limit sliding function inside the casing 1 of the box-type fan. When the adjusting block 16 moves, the baffle plate 13 can move in the sliding groove inside the casing 1 of the box-type fan, thereby adjusting the hole spacing of the rectangular ventilation port on the surface of the casing 1 of the box-type fan, and thus controlling the wind pressure of the rectangular exhaust port.

[0046] The advantages of this technical solution in practical applications include, but are not limited to, the following:

[0047] 1. By setting up a baffle plate 13, an adjusting rod 14, an electric telescopic rod 15, and an adjusting block 16, when the electric telescopic rod 15 drives the adjusting block 16 to rise, the adjusting block 16 will indirectly drive the baffle plate 13 to slide in the groove structure inside the box-type fan housing 1 through the adjusting rod 14, thereby adjusting the diameter of the air outlet on one side of the box-type fan housing 1, so as to adjust the pressure of the airflow through the air outlet on one side of the box-type fan housing 1.

[0048] 2. By setting up a dustproof mounting box 2, a dustproof frame 3, and a filter screen 5, the dustproof frame 3 is inserted into the dustproof mounting box 2 by holding the pull rod 4, and the air entering the box-type fan casing 1 is filtered and impurities are removed through the filter screen 5 inside the dustproof frame 3.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A box fan, characterized by: Including box type fan casing (1) and dustproof installation box (2); The dustproof installation box (2) is fixed on one side of the box type fan casing (1), and a circular air inlet is formed in the middle of the dustproof installation box (2) and one side of the box type fan casing (1). A groove structure is formed in the inside of the box type fan casing (1) for the sliding of the baffle (13), and the baffle (13) is limited to slide. The adjusting rod (14) is fixed on one side of the baffle (13). The electric telescopic rod (15) is installed on the bottom of one side of the box type fan casing (1), and the output end of the electric telescopic rod (15) is provided with the adjusting block (16), which is limited to slide with the adjusting rod (14). The dustproof frame (3) is inserted into the inside of the dustproof installation box (2), and the filter screen (5) is arranged in the inside of the dustproof frame (3).

2. The cabinet fan of claim 1, wherein, The dustproof frame (3) is fixed on the top of the dustproof frame (3), and the dustproof installation box (2) is fixed on the bottom of the dustproof frame (3). The dustproof frame (3) is fixed on the top of the dustproof frame (3), and the dustproof installation box (2) is fixed on the bottom of the dustproof frame (3). The dustproof frame (3) is fixed on the top of the dustproof frame (3), and the dustproof installation box (2) is fixed on the bottom of the dustproof frame (3).

3. The cabinet fan of claim 1, wherein, The impeller (7) is arranged in the inside of the box type fan casing (1), and the impeller (7) is rotatably connected with the circular air inlet. The connecting shaft (8) is rotatably connected with the inside of the box type fan casing (1), and the driven wheel (9) is arranged on the middle of the connecting shaft (8).

4. The cabinet fan of claim 1, wherein, The driving motor (10) is arranged on the side of the box type fan casing (1) away from the dustproof installation box (2), and the driving motor (10) is provided with the driving wheel (11). The surface of the box type fan casing (1) is provided with a rectangular air outlet.

5. The cabinet fan of claim 4, wherein, The driving wheel (11) is provided with the transmission belt (12), and the other end of the transmission belt (12) is sleeved with the driven wheel (9).

6. The cabinet fan of claim 4, wherein, The driving motor (10) and the electric telescopic rod (15) are electrically connected with the external power supply through the control center.

7. The cabinet fan of claim 1, wherein, The vertical interface of the baffle (13) is in arc shape.

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