CN212720744U

CN212720744U - Dryer air guide barrel capable of preventing hot air from flowing back

Info

Publication number: CN212720744U
Application number: CN202020132055.9U
Authority: CN
Inventors: 鲍风险
Original assignee: Shijiazhuang Nahai Machinery Manufacturing Co ltd
Current assignee: Shijiazhuang Nahai Machinery Manufacturing Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-03-16
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a dryer air duct capable of preventing hot air from flowing back, which belongs to the technical field of air ducts of dryers and comprises an air duct, an installation tube, an installation cover and an installation frame, wherein the right end of the air duct is provided with the installation tube, and the installation cover is arranged above the installation tube; the fan blade mounting structure comprises a mounting barrel, a mounting frame, a support shaft and a plurality of first fan blades, wherein the mounting frame is arranged inside the mounting barrel; the right-hand member of back shaft is equipped with many mounting bars, and the mounting bar is radial array distribution at the right-hand member of back shaft, and the one end that deviates from the back shaft at the mounting bar articulates there is the deep bead. The utility model discloses an installation section of thick bamboo and installation lid for installing frame convenient to detach and installation have set up the deep bead and have made the air current can only move from the left hand right side, and have set up first flabellum and have made the deep bead turn over the book to outside under the effect of centrifugal force.

Description

Dryer air guide barrel capable of preventing hot air from flowing back

Technical Field

The utility model belongs to the technical field of the guide duct of drying-machine, specifically a drying-machine guide duct that can prevent hot-blast backward flow.

Background

A dryer is an apparatus for drying materials, and generally, flowing hot air is used to take away moisture in the materials to dry the materials. In the use process of the dryer, an external air duct is needed to guide hot air, but the air duct in the prior use lacks an air return prevention device, so that the air duct is in the actual use process, the flow direction of air flow cannot be always kept in one direction, hot air containing moisture flows through the material again, the material absorbs moisture again and becomes moist, and the drying effect of the material is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent hot-blast backward flow's drying-machine air duct to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dryer air duct capable of preventing hot air from flowing back comprises an air duct, an installation cylinder, an installation cover, an installation frame and a wind shield, wherein the installation cylinder is arranged at the right end of the air duct, and the installation cover is arranged above the installation cylinder; the fan blade mounting structure comprises a mounting barrel, a mounting frame, a supporting shaft, a mounting rack and a fan blade, wherein the mounting frame is arranged inside the mounting barrel, the supporting shaft is arranged in the center of the mounting frame, the left end and the right end of the supporting shaft are fixed on the inner side wall of the mounting frame through the mounting rack, and a plurality of first fan blades are arranged on the outer side of the; the right-hand member of back shaft is equipped with many mounting bars, and the mounting bar is radial array distribution at the right-hand member of back shaft, and the one end that deviates from the back shaft at the mounting bar articulates there is the deep bead.

As a further aspect of the present invention: the installation section of thick bamboo is the latter half of a hollow cylinder section of thick bamboo, and the installation lid is the first half of a hollow cylinder section of thick bamboo, is equipped with first installation limit at the top edge of an installation section of thick bamboo, is equipped with the second installation limit at the bottom edge of installation lid, all sets up the through-hole that corresponds the position on first installation limit and second installation edge.

As a further aspect of the present invention: the deep bead is fan-shaped plate, is equipped with first spring in deep bead and mounting bar articulated position, deviates from at the deep bead and is equipped with the counter weight with the one end of mounting bar articulated position.

As a further aspect of the present invention: the supporting shaft is fixedly arranged on the inner side wall of the mounting frame through a mounting frame, a rotating frame is sleeved on the supporting shaft, and a plurality of second fan blades are arranged on the outer cylindrical surface of the rotating frame; the left side of rotating turret is equipped with the installation circle, and the installation circle sets up with the back shaft interval, has seted up a plurality of mounting holes on the inside wall of installation circle, is equipped with the second spring in the inside of mounting hole, is equipped with the second dog in the one end in the second spring towards the mounting hole outside, is equipped with first dog on the outer face of cylinder of back shaft.

As a further aspect of the present invention: the first stop block and the second stop block are matched for use, the first stop block is arranged to be a plane towards the clockwise side, the first stop block is arranged to be an arc surface towards the anticlockwise side, the second stop block is arranged to be a plane towards the anticlockwise side, and the second stop block is arranged to be an arc surface towards the clockwise side.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model is provided with the mounting cylinder and the mounting cover, so that the mounting frame is convenient to detach and mount, the wind shield is arranged to ensure that the airflow can only move from left to right, and the first fan blade is arranged to ensure that the wind shield is turned over outwards under the action of centrifugal force; the utility model discloses set up the second flabellum, the rotatory in-process of second flabellum can keep ventilation effect, and the second flabellum can carry out the shutoff to the air duct under fixed state to set up first dog and second dog and made the second flabellum can only rotate in the air current from the left right side.

Drawings

Fig. 1 is a schematic perspective view of a dryer duct capable of preventing backflow of hot air according to a first embodiment.

Fig. 2 is a right side view of a three-dimensional structure of an unfolded state of an embodiment of a dryer duct capable of preventing backflow of hot wind.

Fig. 3 is a left side view of a three-dimensional structure of an unfolded state of an embodiment of a dryer duct capable of preventing backflow of hot wind.

Fig. 4 is a right side view of a three-dimensional structure of a dryer duct capable of preventing backflow of hot wind in an unfolded state of a damper in an embodiment of the dryer duct.

Fig. 5 is a sectional view of an installation structure of an installation frame and a wind shield in a dryer duct embodiment capable of preventing backflow of hot wind.

Fig. 6 is a schematic perspective view of an installation frame in a second embodiment of a dryer duct capable of preventing backflow of hot air.

Fig. 7 is a schematic view of an installation structure of a support shaft and a rotating frame in a second embodiment of a dryer air guide duct capable of preventing backflow of hot air.

Fig. 8 is a schematic view of a first stopper and a second stopper in a second embodiment of a dryer duct capable of preventing backflow of hot air.

In the figure: 1. an air duct; 2. mounting the cylinder; 3. installing a cover; 4. a first mounting edge; 5. a second mounting edge; 6. installing a frame; 7. a mounting frame; 8. a support shaft; 81. a first stopper; 9. a first fan blade; 10. mounting a bar; 11. a wind deflector; 111. balancing weight; 112. a first spring; 12. a rotating frame; 121. installing a ring; 122. mounting holes; 123. a second spring; 124. a second stopper; 13. a second fan blade.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-5, a dryer duct capable of preventing backflow of hot air comprises a duct 1, a mounting tube 2, a mounting cover 3, a mounting frame 6 and a wind shield 11, the right end of the air duct 1 is provided with an installation tube 2, the diameter of the installation tube 2 is larger than that of the air duct 1, the upper part of the mounting cylinder 2 is provided with a mounting cover 3, the mounting cylinder 2 is the lower half part of the hollow cylinder, the mounting cover 3 is the upper half part of the hollow cylinder, the mounting cylinder 2 and the mounting cover 3 can be spliced up and down to form a complete cylinder structure, a first mounting edge 4 is arranged at the top end edge of the mounting cylinder 2, a second mounting edge 5 is arranged at the bottom end edge of the mounting cover 3, all set up the through-hole that corresponds the position on first installation limit 4 and second installation limit 5, can install 5 upper and lower connections on limit with first installation limit 4 and second through inserting the bolt into to the through-hole to make installation section of thick bamboo 2 and installation cover 3 upper and lower amalgamation.

The inside of a mounting section of thick bamboo 2 is equipped with installing frame 6, the outer lane edge of installing frame 6 and the inside wall laminating of a mounting section of thick bamboo 2, installing section of thick bamboo 2 and installation lid 3 can press from both sides tight fixedly to installing frame 6, installing frame 6 is the loop configuration, 6 central point at the installing frame puts and is equipped with back shaft 8, both ends all are fixed in on the inside wall of installing frame 6 through mounting bracket 7 about back shaft 8, back shaft 8 can be rotatory under mounting bracket 7's support, be equipped with the first flabellum 9 of multi-disc in the outside of back shaft 8, first flabellum 9 can be rotatory along with back shaft 8.

As shown in fig. 4 and 5, the right end of the supporting shaft 8 is provided with a plurality of mounting bars 10, the mounting bars 10 are distributed at the right end of the supporting shaft 8 in a radial array manner, one end of the mounting bar 10 departing from the supporting shaft 8 is hinged with a wind deflector 11, the wind deflector 11 is a fan-shaped plate, the wind deflector 11 can rotate around the hinged position, the hinged position of the wind deflector 11 and the mounting bar 10 is provided with a first spring 112, the first spring 112 enables the wind deflector 11 to be attached to the mounting bar 10 in a normal state, and one end of the wind deflector 11 departing from the hinged position of the mounting bar 10 is provided with a counterweight 111.

In the use process of the embodiment, when the air flow flows from left to right in the air duct 1, the wind force blows the wind shield 11 to turn over outwards, so that the air flow can pass through the wind shield 11, the air flow can drive the first fan blade 9 to rotate, the first fan blade 9 enables the support shaft 8 to rotate in the rotation process, the mounting bar 10 drives the wind shield 11 to rotate, the wind shield 11 can turn over outwards due to the centrifugal effect in the rotation process, and the balance weight 111 can increase the centrifugal effect, so that the air flow can smoothly pass from left to right; when the air current flows from right to left in the air duct 1, the wind shield 11 can be attached to the mounting bar 10 under the action of the wind power and the first spring 112, so that the right end opening of the mounting frame 6 is sealed by the wind shield 11, and the air current is prevented from continuously flowing leftwards.

Example two

As shown in fig. 6-8, a different feature of the present embodiment from the first embodiment is that the supporting shaft 8 is fixedly mounted on the inner sidewall of the mounting frame 6 through the mounting frame 7, the supporting shaft 8 cannot rotate, a rotating frame 12 is sleeved on the supporting shaft 8, a plurality of second blades 13 are arranged on an outer cylindrical surface of the rotating frame 12, the second blades 13 can rotate around the supporting shaft 8 through the rotating frame 12, and the second blades 13 are densely arranged, so that the plurality of second blades 13 can block the opening of the mounting frame 6.

The left side of the rotating frame 12 is provided with a mounting ring 121, the mounting ring 121 and the support shaft 8 are arranged at an interval, the inner side wall of the mounting ring 121 is provided with a plurality of mounting holes 122, a second spring 123 is arranged inside the mounting holes 122, one end, facing the outside of the mounting holes 122, of the second spring 123 is provided with a second stopper 124, a first stopper 81 is arranged on the outer cylindrical surface of the support shaft 8, the first stopper 81 is matched with the second stopper 124 for use, one clockwise side of the first stopper 81 is arranged to be a plane, one anticlockwise side of the first stopper 81 is arranged to be an arc surface, one anticlockwise side of the second stopper 124 is arranged to be a plane, one clockwise side of the second stopper 124 is arranged to be an arc surface, and the rotating frame 12 can only rotate clockwise under the action of the second stopper 124 and the first stopper 81.

In the use process of the embodiment, when the airflow flows from left to right, the second fan blade 13 rotates clockwise under the action of wind power, so that the airflow can continuously flow to right through the barrier formed by the second fan blade 13; when the airflow flows from right to left, due to the cooperation of the first stopper 81 and the second stopper 124, the mounting ring 121 limits the rotating frame 12 to rotate counterclockwise, so that the second blades 13 remain stationary in the airflow, and the barrier formed by the densely arranged second blades 13 can block the airflow from moving leftward.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A dryer air duct capable of preventing hot air from flowing back comprises an air duct (1), an installation tube (2), an installation cover (3), an installation frame (6) and a wind shield (11), and is characterized in that the installation tube (2) is arranged at the right end of the air duct (1), and the installation cover (3) is arranged above the installation tube (2); a mounting frame (6) is arranged inside the mounting barrel (2), a supporting shaft (8) is arranged at the center of the mounting frame (6), the left end and the right end of the supporting shaft (8) are fixed on the inner side wall of the mounting frame (6) through mounting frames (7), and a plurality of first fan blades (9) are arranged on the outer side of the supporting shaft (8); the right-hand member of back shaft (8) is equipped with many mounting bars (10), and mounting bar (10) are radial array and distribute at the right-hand member of back shaft (8), and the one end that deviates from back shaft (8) in mounting bar (10) articulates there is deep bead (11).

2. The dryer air duct capable of preventing hot air from flowing backwards according to claim 1, wherein the mounting tube (2) is a lower half portion of the hollow cylinder, the mounting cover (3) is an upper half portion of the hollow cylinder, a first mounting edge (4) is arranged at a top end edge of the mounting tube (2), a second mounting edge (5) is arranged at a bottom end edge of the mounting cover (3), and through holes corresponding to the first mounting edge (4) and the second mounting edge (5) are formed in the first mounting edge (4) and the second mounting edge (5).

3. The dryer air duct capable of preventing hot air from flowing back according to claim 1, wherein the wind deflector (11) is a fan-shaped plate, a first spring (112) is arranged at a position where the wind deflector (11) is hinged to the mounting bar (10), and a counterweight (111) is arranged at one end of the wind deflector (11) away from the position where the wind deflector is hinged to the mounting bar (10).

4. The dryer air duct capable of preventing hot air from flowing backwards according to claim 1, wherein the support shaft (8) is fixedly mounted on the inner side wall of the mounting frame (6) through a mounting frame (7), a rotating frame (12) is sleeved on the support shaft (8), and a plurality of second fan blades (13) are arranged on the outer cylindrical surface of the rotating frame (12); the left side of rotating turret (12) is equipped with installation circle (121), and installation circle (121) and back shaft (8) interval set up, has seted up a plurality of mounting holes (122) on the inside wall of installation circle (121), is equipped with second spring (123) in the inside of mounting hole (122), is equipped with second dog (124) in second spring (123) towards the one end in the mounting hole (122) outside, is equipped with first dog (81) on back shaft (8) outer cylindrical surface.

5. The dryer air duct capable of preventing backflow of hot air according to claim 4, wherein the first stopper (81) is used in cooperation with the second stopper (124), a clockwise side of the first stopper (81) is configured as a plane, a counterclockwise side of the first stopper (81) is configured as an arc surface, a counterclockwise side of the second stopper (124) is configured as a plane, and a clockwise side of the second stopper (124) is configured as an arc surface.