CN213478712U

CN213478712U - Reversible axial fan of high temperature

Info

Publication number: CN213478712U
Application number: CN202022729054.5U
Authority: CN
Inventors: 王玉轩
Original assignee: TIANJIN CHANGGUANG WEIYE SPECIAL FAN CO Ltd
Current assignee: TIANJIN CHANGGUANG WEIYE SPECIAL FAN CO Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-18
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a reversible axial fan of high temperature belongs to the fan field, the power distribution box comprises a box body, box downside front end outer wall fixed mounting has the switch, box right side lower extreme outer wall fixed mounting has the motor, the motor upper end runs through under the box lateral wall and changes and be equipped with the bull stick, bull stick upper end outer wall fixed mounting has spiral shell head A, box center lower extreme inner wall fixed mounting has the bottom plate, bottom plate right-hand member movable mounting has spiral shell head B, spiral shell head B left end runs through the bottom plate and has connect the rotary column, the inside opening in rotary column left end center is equipped with the slot, the inside cartridge of slot has the inserted bar, the inside opening in both sides is equipped with spiral shell groove A about the inserted bar. Through setting up rotating-structure and embedded fixed knot structure, axial fan's practicality has been improved.

Description

Reversible axial fan of high temperature

Technical Field

The utility model relates to a fan technical field especially relates to a reversible axial fan of high temperature.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

Patent CN201721746742.4 discloses a reversible high temperature resistant axial flow fan, which is a high temperature resistant fan widely used in heat treatment furnaces such as heating furnaces, annealing furnaces, soaking furnaces, aging furnaces and the like of various nonferrous metals, because of its special working environment, it is difficult for a common fan to adapt, the existing hot air circulation fan is lack of effective heat insulation design, its bearing and main shaft are easily damaged by overheating, and its reverse wind rate is low, it is unable to effectively maintain the uniformity of the temperature field in the furnace, by making the high temperature air flow pressurized by the impeller diffuse to the periphery under the guidance of the conical surface of the conical heat insulation sleeve, and can avoid the system such as bearing seat, transmission shaft and motor, etc., it can enhance the forced circulation performance of the air flow in the furnace, effectively improve the uniformity and heat treatment quality of the temperature field in the furnace, and can effectively protect the bearing seat, Systems such as transmission shafts and motors; the aluminum silicate fiber cotton is filled in the shell of the conical heat insulation sleeve to serve as a heat insulation layer, the temperature resistance and the heat insulation performance are good, the cooling water jacket is arranged at the bottom of the shell to prevent the bearing and the transmission shaft from being overheated, the bearing seat is cooled by water, the bearing is prevented from being overheated, and the heat resistance of the fan is further improved.

Some disadvantages of the axial flow fan are as follows: 1. above-mentioned axial fan passes through the belt and drives the input rotation of fan, and the belt melts the fracture easily in high temperature environment, makes the unable normal operation of fan, has reduced the practicality of fan. 2. Above-mentioned axial fan's dust proof effect is not obvious, and after long-term the use, the surface can be attached to a large amount of dusts under the effect of static, and is difficult to the clearance, influences normal practicality, has reduced axial fan's practicality.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-temperature reversible axial flow fan, which aims to adopt a rotating structure and when the fan needs to be controlled to operate, the push switch controls the motor to operate through the controller, the motor operates to drive the rotating rod to rotate, the rotating rod rotates to drive the screw head A fixedly arranged at the upper end to rotate, the screw head A rotates to be mutually meshed with the screw thread cut on the outer wall of the screw head B through the screw thread cut on the outer wall, thereby driving the screw head B to rotate, the screw head B rotates to drive the rotary column which is connected with the left end in a switching way to rotate, the rotary column rotates to drive the inserted link to rotate, when the reverse rotation is needed, the press switch drives the rotating rod to rotate reversely through the reverse rotation of the motor, the rotating rod rotates reversely to drive the screw head A to rotate reversely, thereby drive spiral shell head B antiport through the line, just also directly drive the rotary column antiport, make fan antiport, avoided by the condition of high temperature melting through all metal material, improved the practicality of fan.

Through the rotating structure and the embedded fixing structure, when the fan needs to be cleaned, the bolt B is manually rotated outwards, the bolt B is meshed with the threads cut on the inner walls of the thread groove C and the thread groove D through the threads cut on the outer wall, the bolt B is rotated outwards and taken out, the inserting net is driven by the outward labor fixing disc to be pulled out from the two sides of the box body, the bolt A is manually rotated upwards and downwards through the threads cut on the outer wall, the bolt A is meshed with the threads cut on the inner walls of the thread groove A and the thread groove B, the bolt A is rotated outwards and taken out, the inserting rod is pulled leftwards to move towards the left from the inserting groove, the rotating blade can be detached, so that the rotating blade is directly cleaned, after the cleaning is finished, the inserting rod is aligned with the inserting groove to the right, the thread groove A and the thread groove B are aligned with the thread groove B, the bolt A is rotated inwards to enter, the inserting net is inserted into the left side and right side, use bolt B to rotate the entering in spiral groove C and spiral groove D inside to the net of inserting that will have the filter effect is fixed, has improved the dust proof effect greatly, has increased axial fan's effect.

The utility model provides a specific technical scheme as follows:

the utility model provides a reversible axial fan of high temperature includes the box, box downside front end outer wall fixed mounting has the switch, box right side lower extreme outer wall fixed mounting has the motor, the motor upper end runs through box lower lateral wall and changes and be equipped with the bull stick, bull stick upper end outer wall fixed mounting has spiral shell head A, box center lower extreme inner wall fixed mounting has the bottom plate, bottom plate right-hand member movable mounting has spiral shell head B, spiral shell head B left end runs through the bottom plate and has connect the rotary column in the commentaries on classics, open in the center of rotary column left end and is equipped with the slot, the inserted bar has been inserted to the slot inside, open in the both sides on the inserted bar is equipped with spiral shell groove A, open in the vertical outside rotary column both sides of slot is equipped with spiral shell groove B, the interior commentaries on classics of spiral shell groove A and spiral shell groove B is equipped with bolt A, box left and, the fixing disc is provided with a fixing disc, screw grooves C are arranged in the upper side and the lower side of ports of the left side and the right side of the box body, screw grooves D are arranged in the upper edge and the lower edge of the ports of the left side and the right side of the box body, and bolts B.

Optionally, the outer wall of the screw head a is cut with threads, and the outer wall of the screw head B is cut with threads, which are engaged with each other to form a rotating structure.

Optionally, the size of the slot is matched with the size of the inserted rod to form an embedded fixing structure.

Optionally, the outer wall of the bolt B is provided with threads which are mutually meshed with the threads on the inner walls of the thread groove C and the thread groove D to form a rotating structure.

Optionally, the input end of the switch is electrically connected with an external power supply through a wire, and the output end of the switch is electrically connected with the input end of the motor through a wire.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a high-temperature reversible axial flow fan, which is characterized in that through a rotating structure, when the fan needs to be controlled to operate, the push switch controls the motor to operate through the controller, the motor operates to drive the rotating rod to rotate, the rotating rod rotates to drive the screw head A fixedly arranged at the upper end to rotate, the screw head A rotates to be mutually meshed with the screw thread cut on the outer wall of the screw head B through the screw thread cut on the outer wall, thereby driving the screw head B to rotate, the screw head B rotates to drive the rotary column which is connected with the left end in a switching way to rotate, the rotary column rotates to drive the inserted link to rotate, when the reverse rotation is needed, the press switch drives the rotating rod to rotate reversely through the reverse rotation of the motor, the rotating rod rotates reversely to drive the screw head A to rotate reversely, thereby drive spiral shell head B antiport through the line, just also directly drive the rotary column antiport, make fan antiport, avoided by the condition of high temperature melting through all metal material, improved the practicality of fan.

2. Through the rotating structure and the embedded fixing structure, when the fan needs to be cleaned, the bolt B is manually rotated outwards, the bolt B is meshed with the threads cut on the inner walls of the thread groove C and the thread groove D through the threads cut on the outer wall, the bolt B is rotated outwards and taken out, the inserting net is driven by the outward labor fixing disc to be pulled out from the two sides of the box body, the bolt A is manually rotated upwards and downwards through the threads cut on the outer wall, the bolt A is meshed with the threads cut on the inner walls of the thread groove A and the thread groove B, the bolt A is rotated outwards and taken out, the inserting rod is pulled leftwards to move towards the left from the inserting groove, the rotating blade can be detached, so that the rotating blade is directly cleaned, after the cleaning is finished, the inserting rod is aligned with the inserting groove to the right, the thread groove A and the thread groove B are aligned with the thread groove B, the bolt A is rotated inwards to enter, the inserting net is inserted into the left side and right side, use bolt B to rotate the entering in spiral groove C and spiral groove D inside to the net of inserting that will have the filter effect is fixed, has improved the dust proof effect greatly, has increased axial fan's effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of a high-temperature reversible axial flow fan according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partially enlarged structure a in fig. 1 of a high-temperature reversible axial flow fan according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure B in fig. 1 of a high-temperature reversible axial flow fan according to an embodiment of the present invention.

In the figure: 1. a box body; 2. a switch; 3. a motor; 4. a rotating rod; 5. a screw head A; 6. a base plate; 7. a screw head B; 8. turning the column; 9. a slot; 10. inserting a rod; 11. a thread groove A; 12. a thread groove B; 13. a bolt A; 14. inserting a net; 15. fixing the disc; 16. a thread groove C; 17. a thread groove D; 18. and B, a bolt B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 belong to the protection scope of the present invention.

A high-temperature reversible axial flow fan according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a high temperature reversible axial flow fan, which includes a box 1, a switch 2 is fixedly installed on an outer wall of a front end of a lower side of the box 1, a motor 3 is fixedly installed on an outer wall of a lower end of a right side of the box 1, a rotating rod 4 is rotatably installed on an upper end of the motor 3 through a lower side wall of the box 1, a screw head A5 is fixedly installed on an outer wall of an upper end of the rotating rod 4, a bottom plate 6 is fixedly installed on an inner wall of a lower end of a center of the box 1, a screw head B7 is movably installed on a right end of the bottom plate 6, a rotating column 8 is rotatably installed on a left end of the screw head B7 through the bottom plate 6, a slot 9 is installed inside a center of a left end of the rotating column 8, an inserting rod 10 is inserted inside the slot 9, a screw slot a11 is installed inside upper and lower sides of the inserting rod 10, a screw slot B12 is installed inside two sides, the outer side wall of the inserting net 14 is fixedly provided with a fixed disc 15, the insides of the upper side and the lower side of the fixed disc 15 are provided with screw grooves C16, the insides of the upper edge and the lower edge of the port of the left side and the right side of the box body 1 are provided with screw grooves D17, and bolts B18 are rotatably arranged inside the screw grooves C16 and the screw grooves D17.

Referring to fig. 1, the outer wall of the screw head a5 is threaded and is engaged with the outer wall of the screw head B7 to form a rotating structure, when the fan needs to be controlled to operate, the switch 2 is pressed to control the motor 3 to operate through the controller, the motor 3 operates to drive the rotating rod 4 to rotate, the rotating rod 4 rotates to drive the screw head a5 fixedly installed at the upper end to rotate, the screw head a5 rotates to be engaged with the outer wall of the screw head B7 through the outer wall being threaded to drive the screw head B7 to rotate, the screw head B7 rotates to drive the rotating column 8 of the left end switching to rotate, the rotating column 8 rotates to drive the inserting rod 10 to rotate, when the fan needs to be reversed, the switch 2 is pressed to drive the rotating rod 4 to rotate reversely through the motor 3, the rotating rod 4 rotates reversely to drive the screw head a5 to rotate reversely, so that the screw head B7 is driven to rotate reversely through grains, the rotating column 8 is directly driven to rotate reversely, and the fan is, the condition of being melted by high temperature is avoided through all-metal materials, and the practicability of the fan is improved.

Referring to fig. 1 and 2, the size of the slot 9 is matched with the size of the inserted link 10 to form an embedded fixing structure, when the blower needs to be cleaned, the bolt B18 is manually rotated outwards, the bolt B18 is engaged with the threads cut on the inner walls of the slot C16 and the slot D17 through the threads cut on the outer walls, the bolt B18 is rotated outwards and taken out, the fixing plate 15 is operated outwards to drive the inserting net 14 to be pulled out from the two sides of the box body 1, the bolt a13 is manually rotated upwards and downwards, the bolt a13 is engaged with the threads cut on the inner walls of the slot a11 and the slot B12 through the threads cut on the outer walls, the bolt a13 is inserted into the slot a11 to be rotated outwards and taken out, the inserted link 10 is pulled leftwards to be moved away from the slot 9, the rotating leaf can be detached, so that the rotating leaf can be cleaned directly, and the inserted link 10 is aligned to the right to enable the slot a11 and the slot B12 to clean the slot, use bolt A13 to rotate the entering inwards, will insert net 14 and inject to the box 1 left and right sides, make spiral groove C16 and spiral groove D17 align, use bolt B18 at spiral groove C16 and the inside entering of rotating of spiral groove D17 to it is fixed to insert net 14 with the filter effect, has improved the dust proof effect greatly, has increased axial fan's effect.

Referring to fig. 1 and 3, the outer wall of bolt B18 is cut with threads to engage with the threads cut on the inner walls of groove C16 and groove D17, forming a rotating structure, when the blower needs to be cleaned, bolt B18 is manually rotated outwards, bolt B18 is manually engaged with the threads cut on the inner walls of groove C16 and groove D17, bolt B18 is rotated outwards, outward labor fixing plate 15 drives the inserting net 14 to be pulled out from both sides of the box 1, bolt a13 is manually rotated upwards and downwards on both sides, bolt a13 is engaged with the threads cut on the inner walls of groove a11 and groove B12, bolt a13 is rotated outwards, bolt a 6326 is pulled leftwards to separate and take out from the inside of groove 9, the rotating vane can be detached, thereby cleaning it directly, after cleaning is completed, inserting rod 10 into groove C639 rightwards to make groove a11 and groove B12 to align with groove B12, use bolt A13 to rotate the entering inwards, will insert net 14 and inject to the box 1 left and right sides, make spiral groove C16 and spiral groove D17 align, use bolt B18 at spiral groove C16 and the inside entering of rotating of spiral groove D17 to it is fixed to insert net 14 with the filter effect, has improved the dust proof effect greatly, has increased axial fan's effect.

Referring to fig. 1, the input end of the switch 2 is electrically connected with an external power supply through a conducting wire, and the output end of the switch 2 is electrically connected with the input end of the motor 3 through a conducting wire.

The switch 2 and the motor 3 are products in the prior art, the model of the motor 3 is HD2401-24, the manufacturer is Anchuan, the model of the switch 2 is LA38-11DN, and the manufacturer is Mixi, and are not described again.

The embodiment of the utility model provides a reversible axial fan of high temperature, when needs control fan operation, press switch 2 and pass through controller control motor 3 operation, motor 3 operates and drives bull stick 4 and rotate, bull stick 4 rotates and drives the rotation of screw head A5 of upper end fixed mounting, screw head A5 rotates and has the screw thread through the outer wall and screw head B7 outer wall to cut threaded intermeshing, thereby drive screw head B7 and rotate, screw head B7 rotates and drives the rotary column 8 rotation of left end switching, rotary column 8 rotates and drives inserted bar 10 and rotate and go on, when needs reverse, press switch 2 and drive bull stick 4 reverse rotation through motor 3 reverse operation, bull stick 4 reverse rotation drives screw head A5 reverse rotation, thereby drive screw head B7 reverse rotation through the line, also directly drive rotary column 8 reverse rotation, make fan reverse rotation, the condition of being melted by high temperature has been avoided through full metal material, when the blower needs to be cleaned, the bolt B18 is manually rotated outwards, the bolt B18 is meshed with the threads cut on the inner walls of the thread groove C16 and the thread groove D17 through the threads cut on the outer walls, the bolt B18 is taken out in a rotating way, the bolt A13 is manually rotated upwards and downwards on two sides, the bolt A13 is meshed with the threads cut on the inner walls of the thread groove A11 and the thread groove B12 through the threads cut on the outer walls, the bolt A13 is taken out in a rotating way, the plug rod 10 is pulled leftwards to be taken out from the slot 9 in a moving way leftwards, the rotary vane can be dismounted, so that the rotary vane is directly cleaned, after the cleaning is finished, the plug rod 10 is inserted into the slot 9 rightwards, the thread groove A11 and the thread groove B12 are aligned, the bolt A13 is used for rotating inwards, the plug net 14 is moved to the left side and the left side of the box 1, the thread groove C16 is aligned with the thread groove D48, the thread groove B17 6 is rotated into the 16C 2, thereby fixing the filter insert net 14.

It should be noted that, the utility model relates to a reversible axial fan of high temperature, including switch 2, motor 3, the part is the general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The high-temperature reversible axial flow fan is characterized by comprising a box body (1), a switch (2) is fixedly mounted on the outer wall of the front end of the lower side of the box body (1), a motor (3) is fixedly mounted on the outer wall of the lower end of the right side of the box body (1), a rotating rod (4) is rotatably mounted on the upper end of the motor (3) through the lower side wall of the box body (1), a screw head A (5) is fixedly mounted on the outer wall of the upper end of the rotating rod (4), a bottom plate (6) is fixedly mounted on the inner wall of the lower end of the center of the box body (1), a screw head B (7) is movably mounted on the right end of the bottom plate (6), a rotating column (8) is rotatably connected on the left end of the screw head B (7) through the bottom plate (6), a slot (9) is mounted in the center of the rotating column (8), an inserting rod (10) is inserted in, the utility model discloses a bolt box, including slot (9), vertical outside rotary column (8) both sides are inside to be opened and to be equipped with spiral groove B (12), spiral groove A (11) and spiral groove B (12) are inside to be changeed and to be equipped with bolt A (13), box (1) left and right sides port cartridge has inserts net (14), insert net (14) lateral wall fixed mounting have fixed disk (15), inside the opening in both sides is equipped with spiral groove C (16) about fixed disk (15), inside the opening in edge is equipped with spiral groove D (17) about box (1) left and right sides port, spiral groove C (16) and spiral groove D (17) are inside to be changeed and are equipped with bolt B (18).

2. The reversible axial fan of a high temperature of claim 1, characterized in that, screw thread that screw head A (5) outer wall is cut and screw thread that screw head B (7) outer wall is cut and is engaged each other, constitutes rotating-structure.

3. The reversible axial fan of a high temperature according to claim 1, characterized in that the size of the slot (9) and the size of the inserted rod (10) fit each other to form an embedded fixing structure.

4. The reversible axial fan of a high temperature of claim 1, characterized in that, the bolt B (18) has cut thread on its outer wall and engages with the thread on the inner wall of the thread groove C (16) and D (17) to form a rotating structure.

5. The reversible axial fan of a high temperature of claim 1, characterized in that, the input of switch (2) is connected with the external power through the wire, the output of switch (2) is connected with the input of motor (3) through the wire.