CN218672463U - Backflow type cooling and heating fan - Google Patents
Backflow type cooling and heating fan Download PDFInfo
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- CN218672463U CN218672463U CN202221788999.7U CN202221788999U CN218672463U CN 218672463 U CN218672463 U CN 218672463U CN 202221788999 U CN202221788999 U CN 202221788999U CN 218672463 U CN218672463 U CN 218672463U
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Abstract
The utility model discloses a refluence formula cold and warm air blower, including the fan casing, fan casing front end is equipped with the air outlet, fan casing lower extreme is equipped with the universal wheel that a plurality of symmetries set up, the shifting chute has been seted up to fan casing lower extreme, sliding connection has the slide in the shifting chute, the slide lower extreme is equipped with the backup pad, the backup pad lower extreme is equipped with the sucking disc of multirow equidistant setting, the shifting chute internal rotation is connected with the transfer line that two symmetries set up, two be equipped with the coupling mechanism who is used for carrying out the connection to the slide between transfer line and the slide. The utility model discloses a make two movable blocks draw close to the centre, a plurality of rotation seats are connected with the rotation of connecting rod between a plurality of movable blocks and slide under, make a plurality of connecting rod extrusion slides move down in the shifting chute to make the backup pad of slide lower extreme move down with ground contact, play and carry out the effect that supports to the fan casing, thereby reduce the pressure that the universal wheel received, increase the life of universal wheel.
Description
Technical Field
The utility model relates to a fan technical field especially relates to a refluence formula cold and warm air blower.
Background
Thereby the fan mainly drives the wind wheel for the motor and rotates the function that realizes blowing, and the common machine that blows among the daily life is one kind through the machine inside with outside air suction machine that blows through the air intake, then from the machine that the turbine mouth of blowing blew off again.
Backflow type cooling and heating fan among the prior art is convenient for remove, generally all can be equipped with a plurality of universal wheels in the bottom of fan, nevertheless when placing the fan, only supports through a plurality of universal wheels, and under the long-time high strength of universal wheel supported, can reduce the life of universal wheel to only can't make stable the placing of fan through a plurality of universal wheels, thereby can cause the fan to shift, cause the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the counterflow type cooling and heating fan that proposes, draw close to the centre through making two movable blocks, a plurality of rotation seats are connected with the rotation of connecting rod down between a plurality of movable blocks and slide, make a plurality of connecting rod extrusion slides move down in the shifting chute, thereby make the backup pad of slide lower extreme move down with ground contact, play and carry out the effect that supports to fan casing, thereby reduce the pressure that the universal wheel received, increase the life of universal wheel, and the counterflow type cooling and heating fan that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a refluence formula cold and warm air blower, includes the fan casing, fan casing front end is equipped with the air outlet, the fan casing lower extreme is equipped with the universal wheel that a plurality of symmetries set up, the shifting chute has been seted up to fan casing lower extreme, sliding connection has the slide in the shifting chute, the slide lower extreme is equipped with the backup pad, the backup pad lower extreme is equipped with the sucking disc of multirow equidistant setting, the shifting chute internal rotation is connected with the transfer line that two symmetries set up, two be equipped with between transfer line and the slide and be used for carrying out the coupling mechanism who is connected to the slide, two all be equipped with on the transfer line outer wall and be used for carrying out the moving mechanism who removes coupling mechanism.
Preferably, the connecting mechanism comprises two symmetrically-arranged moving blocks arranged on the outer walls of the two transmission rods, rotating seats are arranged at the lower ends of the moving blocks and the upper end of the sliding plate, and a connecting rod is rotatably connected between the two rotating seats.
Preferably, the moving mechanism comprises two symmetrically arranged thread areas arranged on the outer walls of the two transmission rods, the thread turning directions between the two opposite thread areas are opposite, and the two moving blocks are respectively arranged in the two thread areas and in threaded connection with the thread areas.
Preferably, the outer walls of the two transmission rods are provided with belt pulleys, and the two belt pulleys are in transmission connection through a belt.
Preferably, the inner wall rotates before the shifting chute and is connected with the dwang, be equipped with the worm on the dwang outer wall, one of them be equipped with on the outer wall of transfer line with worm matched with worm wheel.
Preferably, a groove is formed in the rear end face of the fan shell, one end, far away from the front inner wall of the moving groove, of the transmission rod penetrates through the rotating moving groove and extends into the groove, and a rotating disc is arranged at the tail end of one end, extending into the groove, of the transmission rod.
The utility model has the advantages that:
1. through making two movable blocks draw close to the centre, under the rotation that a plurality of rotation seats and connecting rod are connected between a plurality of movable blocks and slide, make a plurality of connecting rod extrusion slides move down in the shifting chute to make the backup pad of slide lower extreme move down with ground contact, play and carry out the effect that supports to the fan casing, thereby reduce the pressure that the universal wheel received, increase the life of universal wheel.
2. Through the setting of a plurality of sucking discs of backup pad lower extreme, increase the suction on backup pad and ground, make placing of fan casing more stable, reduce the potential safety hazard because of fan casing shifts and cause.
Drawings
FIG. 1 is a left side view of the overall structure of the present invention;
fig. 2 is a rear view of the overall structure of the present invention;
fig. 3 is a schematic sectional view of the internal structure of the fan casing of the present invention.
In the figure: 1 fan shell, 2 air outlets, 3 universal wheels, 4 grooves, 5 rotating discs, 6 moving grooves, 7 supporting plates, 8 suckers, 9 rotating rods, 10 worms, 11 worm wheels, 12 transmission rods, 13 threaded areas, 14 moving blocks, 15 belt pulleys, 16 sliding plates and 17 connecting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a refluence formula cold and warm air blower, including fan housing 1, fan housing 1 front end is equipped with air outlet 2, fan housing 1 lower extreme is equipped with the universal wheel 3 that a plurality of symmetries set up, moving slot 6 has been seted up to fan housing 1 lower extreme, sliding connection has slide 16 in the moving slot 6, slide 16 lower extreme is equipped with backup pad 7, backup pad 7 lower extreme is equipped with the sucking disc 8 of multirow equidistant setting, through the setting of a plurality of sucking discs 8 of backup pad 7 lower extreme, increase the suction on backup pad 7 and ground, make placing of fan housing 1 more stable, reduce the potential safety hazard because of fan housing 1 aversion leads to the fact.
The drive rods 12 which are symmetrically arranged are rotationally connected in the moving groove 6, a connecting mechanism used for connecting the sliding plate 16 is arranged between the two drive rods 12 and the sliding plate 16, the connecting mechanism comprises two moving blocks 14 which are symmetrically arranged on the outer walls of the two drive rods 12, rotating seats are arranged at the lower ends of the moving blocks 14 and at the upper ends of the sliding plate 16, and connecting rods 17 are rotationally connected between the two rotating seats, the two moving blocks 14 are drawn close to the middle, the connecting rods 17 are rotationally connected with the rotating seats between the moving blocks 14 and the sliding plate 16, the sliding plate 16 is extruded by the connecting rods 17 to move downwards in the moving groove 6, so that the supporting plate 7 at the lower end of the sliding plate 16 moves downwards to be contacted with the ground, the effect of supporting the fan shell 1 is achieved, the pressure on the universal wheel 3 is reduced, and the service life of the universal wheel 3 is prolonged.
The outer walls of the two transmission rods 12 are respectively provided with a moving mechanism used for moving the connecting mechanism, the moving mechanism comprises two thread areas 13 which are symmetrically arranged on the outer walls of the two transmission rods 12, the rotating directions of threads between the two thread areas 13 are opposite, and two moving blocks 14 are respectively arranged in the two thread areas 13 and are in threaded connection with the thread areas 13.
The outer walls of the two transmission rods 12 are provided with belt pulleys 15, and the two belt pulleys 15 are in transmission connection through a belt.
The inner wall rotates on the movable groove 6 and is connected with a rotating rod 9, the outer wall of the rotating rod 9 is provided with a worm 10, the outer wall of one transmission rod 12 is provided with a worm wheel 11 matched with the worm 10, the rear end face of the fan shell 1 is provided with a groove 4, one end, far away from the movable groove 6, of the transmission rod 12 penetrates through the movable groove 6 and extends into the groove 4, and the tail end of one end, extending into the groove 4, of the transmission rod 12 is provided with a rotating disc 5.
The utility model discloses during the use, when fan casing 1 moves to the assigned position, rotating disc 5 in the rotation recess 4, make rotating disc 5 drive dwang 9 rotate, through on the dwang 9 outer wall under worm 10 and worm wheel 11's cooperation, make one of them transfer line 12 rotate, under the transmission action of band pulley 15 and belt on two 12 outer walls of rethread transfer line, make two transfer lines 12 rotate simultaneously, threaded connection of threaded zone 13 and movable block 14 is down on two 12 outer walls of rethread transfer line, and under two 13 threaded zone screw threads turned to opposite effects, make two movable blocks 14 draw close to the centre, be connected down with connecting rod 17's rotation through a plurality of rotation seats between a plurality of movable blocks 14 and the slide 16, make a plurality of connecting rod 17 extrusion slide 16 move down in the shifting chute 6, thereby make the backup pad 7 of slide 16 lower extreme move down with ground contact, play the effect that supports fan casing 1, thereby reduce the pressure that universal wheel 3 received, increase universal wheel 3's life, backup pad 7 lower extreme a plurality of suckers 8's setting, increase backup pad 7 and ground's suction, make the suction of placing of fan casing 1 more stable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a refluence formula cold and warm air blower, includes fan casing (1), its characterized in that, fan casing (1) front end is equipped with air outlet (2), fan casing (1) lower extreme is equipped with universal wheel (3) that a plurality of symmetries set up, moving slot (6) have been seted up to fan casing (1) lower extreme, sliding connection has slide (16) in moving slot (6), slide (16) lower extreme is equipped with backup pad (7), backup pad (7) lower extreme is equipped with sucking disc (8) that multirow equidistant set up, moving slot (6) internal rotation is connected with transfer line (12) that two symmetries set up, two be equipped with the coupling mechanism who is used for connecting slide (16) between transfer line (12) and slide (16), two all be equipped with on transfer line (12) outer wall and be used for carrying out the moving mechanism to coupling mechanism.
2. A counterflow cooling and heating unit as in claim 1, wherein the coupling mechanism comprises two symmetrically arranged moving blocks (14) on the outer wall of the two transmission rods (12), and the lower ends of the moving blocks (14) and the upper end of the sliding plate (16) are provided with rotating seats, and a connecting rod (17) is rotatably connected between the two rotating seats.
3. The counterflow type cooling and heating blower according to claim 2, wherein the moving mechanism includes two symmetrically disposed threaded zones (13) provided on the outer walls of the two transmission rods (12), the direction of rotation of the threads between the two threaded zones (13) is opposite, and the two moving blocks (14) are respectively disposed in the two threaded zones (13) and are in threaded connection with the threaded zones (13).
4. A backflow type cooling and heating fan according to claim 3, characterized in that the outer walls of the two transmission rods (12) are provided with belt pulleys (15), and the two belt pulleys (15) are in transmission connection through a belt.
5. The backflow type cooling and heating fan according to claim 4, wherein the front inner wall of the moving groove (6) is rotatably connected with a rotating rod (9), the outer wall of the rotating rod (9) is provided with a worm (10), and the outer wall of one of the driving rods (12) is provided with a worm wheel (11) matched with the worm (10).
6. A backflow type cooling and heating fan according to claim 5, wherein a groove (4) is formed in the rear end face of the fan housing (1), one end, far away from the front inner wall of the moving groove (6), of the transmission rod (12) penetrates through the rotating moving groove (6) and extends into the groove (4), and a rotating disc (5) is arranged at the tail end, extending into the groove (4), of one end of the transmission rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788999.7U CN218672463U (en) | 2022-07-12 | 2022-07-12 | Backflow type cooling and heating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788999.7U CN218672463U (en) | 2022-07-12 | 2022-07-12 | Backflow type cooling and heating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672463U true CN218672463U (en) | 2023-03-21 |
Family
ID=85554074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221788999.7U Active CN218672463U (en) | 2022-07-12 | 2022-07-12 | Backflow type cooling and heating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672463U (en) |
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2022
- 2022-07-12 CN CN202221788999.7U patent/CN218672463U/en active Active
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