CN218237600U - Air outlet structure and air curtain device - Google Patents

Abstract

The utility model relates to a kitchen appliance technical field discloses an air-out structure and air curtain device. The air-out structure includes the air curtain body, remove frame and air-out spare, it sets up on the air curtain body adjustably to remove the frame position, it includes the portion of holding to remove the frame, the inner chamber of the portion of holding and the inner chamber intercommunication of air curtain body, set up in the portion of holding and dodge the breach, the air-out spare is including rotation portion and set up the air-out portion in rotation portion, rotation portion is rotatable to be set up in the portion of holding, the inner chamber of rotation portion and the inner chamber intercommunication of the portion of holding, air-out portion stretches out and dodges the breach, be provided with the air curtain air outlet in the air-out portion, the air curtain air outlet communicates with the inner chamber of rotation portion. The air-out position and the air-out angle of air curtain air outlet are all adjustable, can adjust to range hood of unidimensional not, and reinforcing air curtain adaptability sets up more accurately and holds together the cigarette scope, can prevent effectively that the oil smoke from escaping, have improved the cleanliness of indoor environment, have promoted user's use and have experienced.

Description

Air outlet structure and air curtain device

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to an air-out structure and air curtain device.

Background

Due to the influence of the kitchen environment and the performance of the range hood, the range hoods in the current market have oil smoke escape phenomena of different degrees. Therefore the air curtain technique comes to the end, and current air curtain device form is various, but the air curtain air outlet is fixed, can't adjust, needs the range hood of the corresponding size of collocation, and application scope is narrow.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, an object of the utility model is to provide an air-out structure and air curtain device can adjust the air curtain air outlet, is applicable to the range hood of more sizes.

In order to realize the purpose, the following technical scheme is provided:

in a first aspect, the utility model provides an air-out structure, include:

an air curtain tube body;

the movable frame is arranged on the air curtain pipe body in an adjustable position and comprises an accommodating part, the inner cavity of the accommodating part is communicated with the inner cavity of the air curtain pipe body, and an avoiding notch is formed in the accommodating part;

the air outlet part comprises a rotating part and an air outlet part arranged on the rotating part, the rotating part can be rotatably arranged in the accommodating part, an inner cavity of the rotating part is communicated with an inner cavity of the accommodating part, the air outlet part extends out to avoid the notch, an air curtain air outlet is arranged on the air outlet part, and the air curtain air outlet is communicated with the inner cavity of the rotating part.

As the utility model provides an alternative of air-out structure, the air-out structure still includes flexible band and a plurality of roller bearing, and is a plurality of the roller bearing rotate respectively set up in the air curtain pipe body, the flexible band is around locating a plurality ofly on the roller bearing, the flexible band with the portion of holding connects.

As the utility model provides an alternative of air-out structure, remove the frame still including set up respectively in two connecting plates of holding portion both sides, the flexible band respectively with two connecting plate fixed connection.

As the utility model provides an alternative of air-out structure, the air-out structure still includes drive gear, drive gear is rotatable set up in the air curtain pipe body, drive gear is used for driving the flexible band winds the roller bearing slides.

As the utility model provides an alternative of air-out structure, the air-out structure still includes drive gear, drive gear with drive gear meshing, drive gear is rotatable set up in the air curtain pipe body, be provided with tooth portion on the flexible band, drive gear with tooth portion meshing.

As the utility model provides an alternative of air-out structure, be provided with the gear shaft on the drive gear, the gear shaft with air curtain body normal running fit.

As the utility model provides an alternative of air-out structure, the gear shaft is kept away from drive gear's tip is provided with first knob, first knob is located outside the air curtain pipe body.

As the utility model provides an alternative of air-out structure, be provided with the installation axle in the rotation portion, the installation axle with the portion normal running fit that holds.

As the utility model provides an alternative of air-out structure, the installation axle is kept away from the tip of rotation portion is provided with the second knob, the second knob is located outside the air curtain pipe body.

In a second aspect, the present invention further provides an air curtain device, including the above-mentioned air-out structure.

The utility model has the advantages that:

the utility model provides an air-out structure and air curtain device, through adjusting the position of movable rack on the air curtain body, and then adjust the position of air-out piece, the position control of here can be horizontal position control, thereby adjust the distance between air curtain air outlet and the cooking utensils, the rotation portion of air-out piece and the portion of holding normal running fit that moves the frame, conveniently adjust the angle of air curtain air outlet on the one hand, on the other hand can guarantee the leakproofness between rotation portion and the portion of holding, guarantee that the air in the air curtain body is whole to blow out via the air curtain air outlet of air-out portion and form the wind curtain wall, the air-out position and the air-out angle of air curtain air outlet are all adjustable, can adjust to the range hood of different structure sizes, reinforcing air curtain adaptability, set up the smoke collecting scope more accurately, can effectively prevent the oil smoke escape, the cleanliness of indoor environment is improved, user's use experience has been promoted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of an air curtain device including an air outlet structure provided in an embodiment of the present invention installed on a cooking bench;

fig. 2 is a schematic view of a partial structure of an air curtain device including an air outlet structure installed on a cooking bench according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an air curtain module and a latch assembly in an air curtain apparatus including an air outlet structure according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 3 with the end cap hidden;

fig. 5 is a schematic structural view of a flexible belt in an air curtain device including an air outlet structure according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view at B in FIG. 5;

fig. 7 is a schematic structural view of a movable frame in an air curtain device including an air outlet structure according to an embodiment of the present invention;

FIG. 8 is an enlarged schematic view at C of FIG. 7;

fig. 9 is a schematic structural view of an air outlet member in an air curtain device including an air outlet structure according to an embodiment of the present invention;

FIG. 10 is an enlarged schematic view at D of FIG. 9;

fig. 11 is a schematic structural view of a driving gear in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 12 is a schematic structural view of an end cap of an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 13 is a schematic structural view of an air curtain tube and a latch assembly in an air curtain device including an air outlet structure according to an embodiment of the present invention;

FIG. 14 is an enlarged schematic view at E of FIG. 13;

fig. 15 is a schematic structural view of a purification module in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a latch assembly in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a lock pin in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 18 is a schematic structural view of a reset button in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 19 is a schematic structural view of a housing and a first guide plate of an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 20 is a schematic structural view of a second guide plate in an air curtain device including an air outlet structure according to an embodiment of the present invention;

fig. 21 is a schematic structural view of a latch assembly of an air curtain device including an air outlet structure according to an embodiment of the present invention before latching;

fig. 22 is a schematic structural view of a latch assembly of an air curtain device including an air outlet structure according to an embodiment of the present invention after latching.

In the figure:

1-an air curtain module; 2-a purification module; 3-a latch assembly;

11-an air curtain pipe body; 12-air outlet structure; 13-end cap; 131-a second via; 132-a third via;

111-air inlet; 112-a second mounting boss; 113-sealing the groove; 114-support ribs; 115-fourth via;

1121 — a first boss; 1122-a second boss; 1123-a third boss;

121-a movable frame; 122-an air outlet member; 123-a flexible belt; 1231-tooth portion; 124-roller; 125-drive tooth

A wheel; 1251-gear shaft; 1252-a first knob; 126-a transmission gear;

1211-an accommodating part; 1212-avoiding the gap; 1213-connecting plate; 1214-a first via;

1221-a rotating part; 1222-an air outlet part; 1223-air curtain outlet; 1224-mounting axis; 1225-a second knob;

21-a purification filter element; 22-a fan; 23-a base; 24-a housing;

231-air duct air outlet; 232-a first mounting boss; 233-sealing a projection;

2321-a fourth boss; 2322-fifth boss; 2323-sixth boss; 2324-a seventh boss;

241-a jack; 242-a guide slot; 243-air intake hole;

31-a housing; 311-avoidance holes; 32-a locking pin; 33-reset button; 34-a first elastic member; 35-a second elastic member; 36-a first guide plate; 37-a second guide plate; 371-arc shaped plate; 372-avoidance groove; 38-a chute;

321-a drive block; 322-a guide post; 323-pin head;

331-a drive slot; 332-shoulder;

100-a cooking bench; 200-kitchen range; 300-range hood.

Detailed Description

In order to make the technical problems, the adopted technical solutions and the achieved technical effects of the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

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, e.g., as meaning either a fixed connection or a removable connection; 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 as a specific case by those skilled in the art.

As shown in fig. 1 to 22, the present embodiment provides an air curtain device, which is placed around a cooking stove 200 of a cooking bench 100 as an independent component, is not integrated with a range hood 300, can be used for improving the smoke absorption effect of all range hoods in the market, and does not affect the installation and matching of the range hood 300 and a cabinet. The air curtain device comprises an air curtain module 1 and a purification module 2. This air curtain device combines air curtain module 1 and purification module 2 together, has simple structure, the installation is stable, the leakproofness is good, convenient to detach's characteristics.

The air curtain module 1 includes the air curtain body 11 and sets up the air-out structure 12 on the air curtain body 11, is provided with air curtain air outlet 1223 on the air-out structure 12, and air-out position and air-out angle of air curtain air outlet 1223 are all adjustable, and the air in the air curtain body 11 forms the wind curtain wall (as shown in fig. 2 arrow line) via air curtain air outlet 1223. The air outlet position and the air outlet angle of the air curtain air outlet 1223 are adjustable, the range hood 300 with different structural sizes can be adjusted, the air curtain adaptability is enhanced, and the smoke gathering range is set more accurately. Purification module 2 can be dismantled and set up on air curtain body 11, and purification module 2 is used for purifying the air including purifying filter element 21 and fan 22, purifying filter element 21, and fan 22 is used for carrying air to air curtain body 11 in. The purification module 2 is purified before ensuring that air curtain air is blown out, and is simple to install and convenient to replace.

The air curtain body 11 can be the U style of calligraphy, is convenient for around in the periphery side of cooking utensils 200, and two air-out structures 12 set up relatively respectively on air curtain body 11, and the air curtain wall that the air curtain air outlet 1223 of two air-out structures 12 formed is located range hood 300's both sides respectively, and two air curtain walls also are located cooking utensils 200's both sides simultaneously, can effectively prevent the oil smoke from escaping, have improved the cleanliness of indoor environment, have promoted user's use and have experienced.

In this embodiment, the air outlet structure 12 includes a movable frame 121 and an air outlet member 122, and the movable frame 121 is disposed on the air curtain tube 11 in a position adjustable manner. The movable frame 121 includes a receiving portion 1211, an inner cavity of the receiving portion 1211 is communicated with an inner cavity of the air curtain pipe 11, and an avoiding notch 1212 is formed in the receiving portion 1211. The air outlet member 122 includes a rotating portion 1221 and an air outlet portion 1222 disposed on the rotating portion 1221, the rotating portion 1221 is rotatably disposed in the accommodating portion 1211, an inner cavity of the rotating portion 1221 is communicated with an inner cavity of the accommodating portion 1211, the air outlet portion 1222 extends out of the avoiding gap 1212, the air curtain air outlet 1223 is disposed on the air outlet portion 1222, and the air curtain air outlet 1223 is communicated with the inner cavity of the rotating portion 1221.

The position of the air outlet member 122 is adjusted by adjusting the position of the movable frame 121 on the air curtain pipe 11, and the position adjustment here can be a horizontal position adjustment, so as to adjust the distance between the air curtain air outlet 1223 and the stove 200. The rotating portion 1221 of the air outlet member 122 is rotatably engaged with the accommodating portion 1211 of the movable frame 121, so that on one hand, the angle of the air curtain outlet 1223 can be conveniently adjusted, and on the other hand, the sealing performance between the rotating portion 1221 and the accommodating portion 1211 can be ensured, and it is ensured that all air in the air curtain pipe body 11 is blown out through the air curtain outlet 1223 of the air outlet portion 1222 to form an air curtain wall. The air outlet position and the air outlet angle of the air curtain air outlet 1223 are adjustable, the range hood 300 with different structural sizes can be adjusted, the air curtain adaptability is enhanced, and the smoke gathering range is set more accurately.

Optionally, the air outlet structure 12 further includes a flexible belt 123 and a plurality of rollers 124, the plurality of rollers 124 are respectively rotatably disposed in the air curtain pipe body 11, the flexible belt 123 is wound around the plurality of rollers 124, and the flexible belt 123 is connected to the accommodating portion 1211. The flexible belt 123 is tensioned and guided by the plurality of rollers 124, so that the flexible belt 123 moves smoothly, and the movement of the flexible belt 123 can drive the movable frame 121 to realize position adjustment. In this embodiment, the flexible band 123 is in the shape of an unclosed square tube, and an avoidance space is arranged between the two layers of edges at the head and the tail, so that air circulation is facilitated. Because the air curtain body 11 is square tube shape, the number of the rollers 124 is four, and the four rollers 124 are respectively positioned at four corners of the air curtain body 11, so that the flexible belt 123 is tensioned. The end of the air curtain pipe 11 is provided with an end cover 13, the end cover 13 is provided with a second through hole 131, and one end of the roller 124 is rotatably disposed in the second through hole 131. The air curtain pipe body 11 is provided with a support rib 114 inside, the support rib 114 is provided with a fourth through hole 115, and the other end of the roller 124 is rotatably arranged in the fourth through hole 115.

Optionally, the moving frame 121 further includes two connecting plates 1213 respectively disposed at two sides of the accommodating portion 1211, and the flexible belts 123 are respectively fixedly connected to the two connecting plates 1213. The connecting plate 1213 and the flexible belt 123 are connected by bolts, so that a detachable connection mode is realized to facilitate subsequent maintenance. The connectable area of the connecting plate 1213 and the flexible belt 123 is large, which improves the stability of the motion transmission between the flexible belt 123 and the moving frame 121.

Optionally, the air outlet structure 12 further includes a driving gear 125, the driving gear 125 is rotatably disposed in the air curtain pipe 11, and the driving gear 125 is configured to drive the flexible belt 123 to slide around the roller 124. The driving gear 125 drives the flexible belt 123, so that the movement accuracy of the flexible belt 123 can be improved, and the position adjustment accuracy of the movable frame 121 can be further improved.

Optionally, the air outlet structure 12 further includes a transmission gear 126, the transmission gear 126 is engaged with the driving gear 125, the transmission gear 126 is rotatably disposed in the air curtain pipe body 11, a tooth portion 1231 is disposed on the flexible belt 123, and the transmission gear 126 is engaged with the tooth portion 1231. The number of the transmission gears 126 can be one, and the occupied space is small. The number of the transmission gears 126 can also be two or more, and the functions of reducing the rotating speed and increasing the output torque are realized. The driving gear 125 and the transmission gear 126 can be respectively and rotatably disposed on the end cover 13 of the air curtain pipe body 11, and two corresponding third through holes 132 are formed in the end cover 13 and are respectively used for installing rotating shafts of the driving gear 125 and the transmission gear 126.

Optionally, a gear shaft 1251 is disposed on the driving gear 125, the gear shaft 1251 is rotatably engaged with the air curtain pipe 11, a first knob 1252 is disposed on an end of the gear shaft 1251 away from the driving gear 125, and the first knob 1252 is located outside the air curtain pipe 11. The user can adjust the position of the movable frame 121 by operating the first knob 1252, and the operation is simple. The gear shaft 1251 extends through the third through hole 132 of the end cover 13 and is rotatably engaged with the third through hole 132 through a bearing.

Optionally, the rotating portion 1221 is provided with a mounting shaft 1224, the mounting shaft 1224 is rotatably engaged with the accommodating portion 1211, an end of the mounting shaft 1224 away from the rotating portion 1221 is provided with a second knob 1225, and the second knob 1225 is located outside the air curtain tube body 11. The user can adjust the rotation angle of the rotating portion 1221 with respect to the accommodating portion 1211 and further adjust the angle of the air curtain outlet 1223 by operating the second knob 1225, which is simple to operate. The mounting shaft 1224 extends through a first through hole 1214 at the end of the receiver 1211 and is rotatably coupled to the first through hole 1214 by a bearing.

Optionally, the purification module 2 includes a base 23, the base 23 is provided with an air duct outlet 231 and a first mounting boss 232, and the first mounting boss 232 is disposed around the air duct outlet 231. The air curtain pipe 11 is provided with an air inlet 111 and a second mounting boss 112, the air inlet 111 is communicated with the air duct outlet 231, and the second mounting boss 112 surrounds the air inlet 111. The air purified by the purification module 2 enters the air curtain tube 11 through the air outlet 231 of the air duct and the air inlet 111 of the air curtain tube 11, and then forms an air curtain wall through the air curtain tube 11, so that the effect of isolating oil smoke is realized.

Alternatively, the outer peripheral side of the first mounting boss 232 is provided with a sealing projection 233, and the inner peripheral side of the second mounting boss 112 is provided with a sealing groove 113 in sliding fit with the sealing projection 233; and/or, the inner circumference side of the first mounting boss 232 is provided with a sealing groove 113, and the outer circumference side of the second mounting boss 112 is provided with a sealing protrusion 233 which is in sliding fit with the sealing groove 113. Under the sealing action of the sealing protrusion 233 and the sealing groove 113, the purified air can be prevented from escaping, and the purified air in the air curtain tube body 11 can be prevented from being polluted by the external air. In the present embodiment, the sealing projection 233 is provided on the outer peripheral side of the first mounting boss 232, and the sealing groove 113 is provided on the inner peripheral side of the second mounting boss 112.

Optionally, an elastic protrusion is disposed on the sealing protrusion 233, and a limit groove engaged with the elastic protrusion is disposed on a groove wall of the sealing groove 113. When the purification module 2 is installed in place, the elastic bulge is just clamped into the limiting groove, so that a user can conveniently sense whether the purification module 2 is installed in place.

Alternatively, the sealing protrusion 233 and the sealing groove 113 are U-shaped. The U-shaped sealing protrusion 233 and the sealing groove 113 surround the air inlet 111, improving sealing.

In order to further improve the sealing performance, optionally, the second mounting boss 112 includes a first boss 1121, a second boss 1122 and a third boss 1123 which are connected in sequence, the first mounting boss 232 includes a fourth boss 2321, a fifth boss 2322, a sixth boss 2323 and a seventh boss 2324 which are connected in sequence, the fourth boss 2321 abuts against the first boss 1121, the fifth boss 2322 abuts against the second boss 1122, and the sixth boss 2323 abuts against the third boss 1123.

Alternatively, the outer end surfaces of the first bosses 1121 and the second bosses 1122 are flush with the outer side surfaces of the seventh bosses 2324, respectively. The port of the sealing groove 113 can be blocked by the inner side surface of the seventh boss 2324, so that the sealing performance is improved.

Alternatively, the cross-sections of the sealing protrusion 233 and the sealing groove 113 are rectangular, which facilitates processing.

Optionally, the cross sections of the sealing protrusion 233 and the sealing groove 113 are both arc-shaped, and the matching surface of the sealing protrusion 233 and the sealing groove 113 is an arc surface, so that the contact area is increased, and the sealing performance is improved.

Optionally, the cross sections of the sealing protrusion 233 and the sealing groove 113 are both trapezoidal, and the matching surface of the sealing protrusion 233 and the sealing groove 113 is an inclined surface, so that the contact area is increased, and the sealing performance is improved.

Optionally, the air duct outlet 231 and the air inlet 111 are both rectangular, which facilitates processing.

Optionally, the air curtain device further includes a latch assembly 3 disposed on the air curtain pipe 11, the purification module 2 includes a housing 24, a jack 241 is disposed on the housing 24, the latch assembly 3 includes a housing 31, a latch 32, a reset button 33 and a first elastic member 34, the latch 32 and the reset button 33 are slidably disposed on the housing 31, the first elastic member 34 is sandwiched between the housing 31 and the latch 32, the latch 32 can extend into the jack 241 under an elastic force of the first elastic member 34, and pressing the reset button 33 can push the latch 32 to overcome the elastic force of the first elastic member 34 and disengage from the jack 241. The latch 32 can be kept inserted into the insertion hole 241 by the elastic force of the first elastic member 34, ensuring the stability of the purification module 2 during use. When the purification module 2 needs to be disassembled, the reset button 33 is pressed to push the lock pin 32 to overcome the elastic force of the first elastic member 34 and disengage from the jack 241, so that the operation is convenient and simple. The rapid locking and unlocking of the purification module 2 are realized through the matching of the lock pin 32, the reset button 33 and the first elastic piece 34, and the disassembly and assembly efficiency of the purification module 2 is improved. The first elastic member 34 can be a spring, which is convenient in material selection and low in cost.

Optionally, the reset button 33 is provided with a driving groove 331, the lock pin 32 is provided with a driving block 321 slidably engaged with the driving groove 331, the slidably engaging surface of the driving groove 331 and the driving block 321 is an inclined surface, and the sliding direction of the lock pin 32 is perpendicular to the sliding direction of the reset button 33. The driving groove 331 is formed in the bottom of the reset button 33, and the bottom of the driving groove 331 is inclined with respect to the axial direction of the reset button 33, i.e., a slope is formed to allow the driving groove 331 to engage with the driving block 321. The longitudinal section of the driving block 321 may be a right trapezoid, one waist of the right trapezoid is connected to the locking pin 32, and the other waist is disposed obliquely with respect to the axial direction of the locking pin 32, i.e., an inclined surface is formed for the driving block 321 to cooperate with the driving groove 331. The end of the lock pin 32 away from the first elastic member 34 is a pin head 323, and the pin head 323 is provided with a guide structure such as a fillet and a chamfer, so that the lock pin can be conveniently and smoothly inserted into the insertion hole 241 of the housing 24.

To facilitate the installation of the first elastic element 34, optionally, the lock pin 32 is provided with a guide post 322, and the first elastic element 34 is sleeved on the guide post 322.

Optionally, the latch assembly 3 further comprises a second elastic member 35, the second elastic member 35 being interposed between the housing 31 and the reset button 33. The second elastic member 35 may be a spring, which is convenient to obtain and low in cost.

To facilitate mounting of the second elastic member 35, optionally, an outer peripheral side of the reset button 33 is provided with a shoulder 332, and the second elastic member 35 is interposed between the housing 31 and the shoulder 332.

Optionally, the latch assembly 3 further includes a first guide plate 36 disposed within the housing 31, and the latch 32 is slidably engaged with the first guide plate 36. The first guide plate 36 may have a semicircular cross section, and the semicircular first guide plate 36 forms a part of the slide groove 38. The housing 31 is provided with a avoiding hole 311, the avoiding hole 311 is used for avoiding the lock pin 32, and the avoiding hole 311 may be a circular hole and is communicated with the sliding groove 38.

Optionally, the latch assembly 3 further includes a second guide plate 37 disposed in the housing 31, the second guide plate 37 and the first guide plate 36 enclose a slide slot 38, the lock pin 32 is slidably disposed in the slide slot 38, and the first elastic member 34 is disposed in the slide slot 38. The bottom of the second guiding plate 37 is provided with two arc-shaped plates 371 at intervals, and the two arc-shaped plates 371 and the first guiding plate 36 form a cylindrical sliding chute 38. An avoiding groove 372 is formed in the second guide plate 37, the avoiding groove 372 is used for avoiding the driving block 321, meanwhile, the avoiding groove 372 can limit the driving block 321 to move only along the vertical direction, and the rotation of the lock pin 32 is avoided.

The housing 24 is further provided with a guide groove 242, the extending direction of the guide groove 242 is perpendicular to the extending direction of the latch 32, the insertion hole 241 is formed at the end of the guide groove 242, the guide groove 242 can guide the latch 32 when the purification module 2 is installed, and the latch 32 can be inserted into the insertion hole 241 when the purification module 2 is installed in place. A plurality of air inlet holes 243 are respectively formed at both sides of the housing 24 to facilitate introduction of external air into the purification module 2 for purification.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. The utility model provides an air-out structure which characterized in that includes:

an air curtain pipe body (11);

the movable frame (121) is arranged on the air curtain pipe body (11) in a position-adjustable manner, the movable frame (121) comprises an accommodating part (1211), an inner cavity of the accommodating part (1211) is communicated with an inner cavity of the air curtain pipe body (11), and an avoiding notch (1212) is formed in the accommodating part (1211);

air-out spare (122), including rotation portion (1221) and set up in air-out portion (1222) on rotation portion (1221), rotation portion (1221) rotatable set up in holding portion (1211), the inner chamber of rotation portion (1221) with the inner chamber intercommunication of holding portion (1211), air-out portion (1222) stretch out dodge breach (1212), be provided with air curtain air outlet (1223) on air-out portion (1222), air curtain air outlet (1223) with the inner chamber intercommunication of rotation portion (1221).

2. The air outlet structure of claim 1, further comprising a flexible belt (123) and a plurality of rollers (124), wherein the plurality of rollers (124) are rotatably disposed in the air curtain pipe body (11), the flexible belt (123) is wound around the plurality of rollers (124), and the flexible belt (123) is connected to the accommodating portion (1211).

3. The air outlet structure according to claim 2, wherein the moving frame (121) further includes two connecting plates (1213) respectively disposed at two sides of the accommodating portion (1211), and the flexible strips (123) are respectively fixedly connected to the two connecting plates (1213).

4. The air outlet structure of claim 2, further comprising a driving gear (125), wherein the driving gear (125) is rotatably disposed in the air curtain pipe body (11), and the driving gear (125) is configured to drive the flexible belt (123) to slide around the roller (124).

5. The air outlet structure of claim 4, further comprising a transmission gear (126), wherein the transmission gear (126) is engaged with the driving gear (125), the transmission gear (126) is rotatably disposed in the air curtain pipe body (11), a tooth portion (1231) is disposed on the flexible belt (123), and the transmission gear (126) is engaged with the tooth portion (1231).

6. The air outlet structure of claim 4, characterized in that a gear shaft (1251) is disposed on the driving gear (125), and the gear shaft (1251) is rotatably engaged with the air curtain pipe body (11).

7. The air outlet structure of claim 6, wherein an end of the gear shaft (1251) far away from the driving gear (125) is provided with a first knob (1252), and the first knob (1252) is located outside the air curtain pipe body (11).

8. The wind-out structure of any one of claims 1-7, characterized in that the rotating part (1221) is provided with a mounting shaft (1224), and the mounting shaft (1224) is rotationally fitted with the accommodating part (1211).

9. The wind outlet structure of claim 8, characterized in that the end of the mounting shaft (1224) far away from the rotating part (1221) is provided with a second knob (1225), and the second knob (1225) is located outside the wind curtain tube body (11).

10. An air curtain device, characterized in that, comprises the air outlet structure of any one of claims 1-9.

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