CN219366413U - Air duct structure and fan - Google Patents
Air duct structure and fan Download PDFInfo
- Publication number
- CN219366413U CN219366413U CN202320238328.1U CN202320238328U CN219366413U CN 219366413 U CN219366413 U CN 219366413U CN 202320238328 U CN202320238328 U CN 202320238328U CN 219366413 U CN219366413 U CN 219366413U
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- air duct
- sensing
- filter screen
- piece
- mounting portion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to an air duct structure and a fan. An air duct structure, the air duct structure comprising: an air duct assembly; the induction part comprises an induction part and a resetting part, and the induction part is movably connected to the air duct component through the resetting part; the detection piece is arranged on the air duct assembly, and the induction part is arranged corresponding to the detection piece; the filter screen is detachably arranged on the air duct assembly and is in interference fit with the sensing part, so that the sensing part is in interference fit with the detection part; the reset piece is used for applying reset force to the sensing part along the direction facing the filter screen. Whether install the filter screen and put in place and carry out automated inspection through detecting piece, simple structure to after the filter screen was dismantled, can make sensing portion automatic re-setting through the piece that resets, assembly efficiency is high, is favorable to improving the reliability and the convenience of filter screen installation.
Description
Technical Field
The utility model relates to the field of electric fans, in particular to an air duct structure and a fan.
Background
With the development of commercial and household appliance technologies, electric fans have been developed over the years to provide various additional functions such as heating, humidification, filtration, sterilization, etc. With the continuous improvement of the sanitary requirements, various sanitary and sterilization functions are generated, and fans with filter screens, sterilization and purification are also endlessly layered.
In the prior art, the filter screen filter material with the functions of sterilization, filtration and the like is used as a consumable material, and generally has the limitation of service life, and needs to be replaced after a certain time. However, when the filter screen is dismounted, the mounting reliability of the current fan structure cannot be ensured, and the situation that the fan is not mounted in place and is loose and falls easily occurs.
Disclosure of Invention
Based on this, it is necessary to provide an air duct structure and a fan, which can effectively improve reliability and convenience in the process of installing and dismantling a filter screen, and improve assembly efficiency.
The technical scheme is as follows: an air duct structure, the air duct structure comprising: an air duct assembly; the induction part comprises an induction part and a resetting part, and the induction part is movably connected to the air duct component through the resetting part; the detection piece is arranged on the air duct assembly, and the induction part is arranged corresponding to the detection piece; the filter screen is detachably arranged on the air duct assembly and is in interference fit with the sensing part, so that the sensing part is in interference fit with the detection part; the reset piece is used for applying reset force to the sensing part along the direction facing the filter screen.
Above-mentioned wind channel structure, in the assembly process, connect the sensing part on wind channel subassembly through the piece that resets to install the detection piece on wind channel subassembly, make detection piece and sensing part correspond the setting. In the initial state, the reset piece enables the sensing part to be arranged towards the protrusion of the filter screen direction, and at the moment, the filter screen is not installed in place. When the filter screen is installed on the wind channel structure, filter screen and sensing portion interference fit for sensing portion is contradicted with the detecting element, detects the sensing portion after, the output filter screen has installed the signal. Whether install the filter screen and put in place and carry out automated inspection through detecting piece, simple structure to after the filter screen was dismantled, can make sensing portion automatic re-setting through the piece that resets, assembly efficiency is high, is favorable to improving the reliability and the convenience of filter screen installation.
In one embodiment, one end of the sensing part is provided with an abutting part, the resetting piece is a spring arm, one end of the spring arm is connected to the outer wall of the sensing part, and the other end of the spring arm is connected with the air duct assembly.
In one embodiment, the number of the spring arms is at least two, and all the spring arms are arranged at intervals around the circumference of the sensing part.
In one embodiment, the air duct assembly comprises an air duct body and a lower shell, the lower shell is connected with the circumferential side wall of the air duct body and surrounds the air duct body to form an installation hollow, the sensing part is movably connected to the air duct body through the resetting piece, the filter screen is detachably installed on the air duct body, the detecting piece is arranged on the air duct body, and the sensing piece and the detecting piece are both located in the installation hollow.
In one embodiment, a first mounting portion and a second mounting portion are arranged in the circumferential direction of the air duct body, the reset piece is detachably connected with the air duct body through the first mounting portion, and the detection piece is detachably connected with the air duct body through the second mounting portion.
In one embodiment, the air duct body is provided with a perforation, the perforation is communicated with the installation hollow, the perforation is correspondingly arranged with the first installation part, and the induction part is arranged opposite to the air duct body in a protruding way towards the filter screen through the perforation.
In one embodiment, a third installation part is arranged on the lower shell, the third installation part is opposite to the first installation part, and the third installation part is in supporting fit with the reset piece and the sensing part.
In one embodiment, the air duct body is further provided with a guiding portion, the guiding portion is disposed corresponding to the through hole, and the guiding portion is in guiding fit with the sensing portion so that the sensing portion moves along the axial direction of the through hole.
A fan comprising the duct structure of any one of the above.
Above-mentioned fan, in the equipment process, connect the sensing part on the wind channel subassembly through the piece that resets to install the detection piece on the wind channel subassembly, make detection piece and sensing part correspond the setting. In the initial state, the reset piece enables the sensing part to be arranged towards the protrusion of the filter screen direction, and at the moment, the filter screen is not installed in place. When the filter screen is installed on the wind channel structure, filter screen and sensing portion interference fit for sensing portion is contradicted with the detecting element, detects the sensing portion after, the output filter screen has installed the signal. Whether install the filter screen and put in place and carry out automated inspection through detecting piece, simple structure to after the filter screen was dismantled, can make sensing portion automatic re-setting through the piece that resets, assembly efficiency is high, is favorable to improving the reliability and the convenience of filter screen installation.
In one embodiment, the fan further comprises a rear screen connected to the air duct assembly, and the filter screen is disposed between the air duct assembly and the rear screen.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a duct structure according to one embodiment;
FIG. 2 is a cross-sectional view of the duct structure shown in FIG. 1;
FIG. 3 is a schematic structural view of the air duct body shown in FIG. 1;
fig. 4 is a schematic view of another view structure of the duct body shown in fig. 3.
FIG. 5 is a schematic view of the lower housing shown in FIG. 1;
FIG. 6 is a schematic view of another view of the lower housing shown in FIG. 5;
fig. 7 is a schematic structural diagram of the sensing member shown in fig. 1:
fig. 8 is a schematic structural view of the detecting member shown in fig. 1.
Reference numerals illustrate:
100. an air duct structure; 110. an air duct assembly; 111. perforating; 112. an air duct body; 113. a lower housing; 114. mounting and hollowing; 115. a first mounting portion; 116. a second mounting portion; 117. a third mounting portion; 118. a guide part; 120. an induction member; 121. an induction unit; 122. a reset member; 123. a collision part; 130. a detecting member; 140. a filter screen; 150. and (5) a back net.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 and 2, fig. 1 is an exploded schematic view of a duct structure 100 according to an embodiment, and fig. 2 is a cross-sectional view of the duct structure 100 according to fig. 1. An embodiment of the present utility model provides an air duct structure 100, including: the air duct assembly 110, the sensing element 120, the detecting element 130 and the filter screen 140. The sensing part 120 comprises a sensing part 121 and a resetting part 122, and the sensing part 121 is movably connected to the air duct assembly 110 through the resetting part 122. The detecting member 130 is disposed on the air duct assembly 110, and the sensing portion 121 is disposed corresponding to the detecting member 130. The filter 140 is detachably mounted on the air duct assembly 110 and is in interference fit with the sensing portion 121, so that the sensing portion 121 is in interference with the detecting member 130. The return member 122 is configured to apply a return force to the sensing part 121 in a direction toward the screen 140.
In the above-mentioned air duct structure 100, during the assembly process, the sensing part 121 is connected to the air duct assembly 110 through the reset element 122, and the detecting element 130 is mounted on the air duct assembly 110, so that the detecting element 130 is disposed corresponding to the sensing part 121. In the initial state, the reset element 122 enables the sensing part 121 to be arranged in a protruding mode towards the direction of the filter screen 140, and at this time, the filter screen 140 is not installed in place. When the filter screen 140 is mounted on the air duct structure 100, the filter screen 140 is in interference fit with the sensing portion 121, so that the sensing portion 121 is in interference fit with the detecting member 130, and after the detecting member 130 detects the sensing portion 121, a signal is output that the filter screen 140 is mounted. Whether install filter screen 140 in place through detecting part 130 carries out automated inspection, simple structure to after filter screen 140 dismantles, can make the response portion 121 automatic re-setting through reset piece 122, assembly efficiency is high, is favorable to improving reliability and the convenience of filter screen 140 installation.
Alternatively, the return member 122 may be an elastic rubber, a spring, a balloon, an elastic foam, a spring arm, or other return structure.
Specifically, referring to fig. 7, fig. 7 shows a schematic structural diagram of the sensing element 120 shown in fig. 1, and an abutting portion 123 is disposed at one end of the sensing portion 121. The reset element 122 is a spring arm, one end of the spring arm is connected to the outer wall of the sensing portion 121, and the other end of the spring arm is connected to the air duct assembly 110. Therefore, the elastic deformation of the spring arm can apply a restoring force to the sensing portion 121, and the structure is simple and the reliability is high.
Further, referring to fig. 7, the sensing portion 121 and the reset portion are integrated. Thus, the structural stability is strong, which is beneficial to ensuring the service life of the resetting piece 122.
In one embodiment, referring to fig. 7, there are at least two spring arms, and all spring arms are disposed at intervals around the circumference of the sensing portion 121. In this way, the two spring arms act on the sensing part 121 together, so that the movement of the sensing part 121 can be stabilized, and the reliability and stability of the cooperation between the sensing part 121 and the detecting part can be improved.
Referring to fig. 2, 3 and 4, fig. 3 shows a schematic structural diagram of the air duct body 112 shown in fig. 1; fig. 4 shows another schematic view of the duct body 112 shown in fig. 3. In one embodiment, the air chute assembly 110 includes an air chute body 112 and a lower housing 113. The lower shell 113 is connected with the circumferential side wall of the air duct body 112 and encloses an installation hollow 114, the sensing part 121 is movably connected to the air duct body 112 through the resetting piece 122, the filter screen 140 is detachably installed on the air duct body 112, the detecting piece 130 is arranged on the air duct body 112, and the sensing piece 120 and the detecting piece 130 are both located in the installation hollow 114. Thus, the separated air duct body 112 and the lower housing 113 are combined to form the mounting hollow 114, so that a mounting space can be provided for the sensing piece 120, the detecting piece 130 and other parts, the mounting reliability of the parts can be ensured, and the completeness of the appearance of the air duct body 112 can be ensured. And the air duct body 112 is not required to be disassembled when the detecting piece 130 and the sensing piece 120 are maintained, so that the maintenance convenience is improved.
In one embodiment, referring to fig. 2 and 3, a first mounting portion 115 and a second mounting portion 116 are disposed in a circumferential direction of the air duct body 112, the reset element 122 is detachably connected to the air duct body 112 through the first mounting portion 115, and the detection element 130 is detachably connected to the air duct body 112 through the second mounting portion 116. Therefore, the reset piece 122 and the detection piece 130 can be conveniently mounted on the duct body 112 through the first mounting portion 115 and the second mounting portion 116.
For example, the first mounting portion 115 has a structure such as a slot, an insertion hole, a fixing hole, or the like. The second mounting portion 116 has a structure such as a fixing groove, a fixing hole, and a fastening hole.
Referring to fig. 3 and fig. 4, in one embodiment, a through hole 111 is formed in the air duct body 112, the through hole 111 is communicated with the mounting hollow 114, the through hole 111 is disposed corresponding to the first mounting portion 115, and the sensing portion 121 is disposed to extend toward the filter screen 140 through the through hole 111 relative to the air duct body 112. Thus, the through hole 111 can pass through the abutting portion 123, and the sensing portion 121 is prevented from falling down by setting the aperture of the through hole 111 smaller than that of the sensing portion 121.
Referring to fig. 5 and 6, fig. 5 is a schematic structural view of the lower housing 113 shown in fig. 1, and fig. 6 is a schematic structural view of the lower housing 113 shown in fig. 5; in one embodiment, the lower housing 113 is provided with a third mounting portion 117, the third mounting portion 117 is disposed opposite to the first mounting portion 115, and the third mounting portion 117 is in supporting engagement with the reset element 122 and the sensing portion 121. Therefore, by the combined action of the third mounting portion 117 and the first mounting portion 115, the spring arm can be stably mounted, and the sensing portion 121 can be supported, which is advantageous in improving the mounting reliability of the sensing member 120.
Referring to fig. 3, in one embodiment, the duct body 112 is further provided with a guiding portion 118, the guiding portion 118 is disposed corresponding to the through hole 111, and the guiding portion 118 is in guiding engagement with the sensing portion 121 to enable the sensing portion 121 to move along the axial direction of the through hole 111. For example, the guide 118 is a guide slot. In this way, the movement track of the sensing part 121 can be stabilized, the sensing part 121 is prevented from deflecting and being clamped, and the operation reliability of the sensing part 121 is improved.
Alternatively, the sensing element 130 may be a contact displacement sensor, a non-contact sensor, a proximity switch, or other sensing device.
Specifically, referring to fig. 8, fig. 8 shows a schematic structural diagram of the detecting member 130 shown in fig. 1, where the detecting member 130 is a micro switch, the micro switch is provided with a sensing spring, and the sensing portion 121 is in interference fit with the sensing spring. Therefore, the detection precision is high, the reliability is strong, the cost is low, and the maintenance is convenient.
In one embodiment, a fan (not shown) includes the duct structure 100 of any of the above.
In the assembly process of the fan, the sensing part 121 is connected to the air duct assembly 110 through the reset element 122, and the detecting element 130 is mounted on the air duct assembly 110, so that the detecting element 130 is disposed corresponding to the sensing part 121. In the initial state, the reset element 122 enables the sensing part 121 to be arranged in a protruding mode towards the direction of the filter screen 140, and at this time, the filter screen 140 is not installed in place. When the filter screen 140 is mounted on the air duct structure 100, the filter screen 140 is in interference fit with the sensing portion 121, so that the sensing portion 121 is in interference fit with the detecting member 130, and after the detecting member 130 detects the sensing portion 121, a signal is output that the filter screen 140 is mounted. Whether install filter screen 140 in place through detecting part 130 carries out automated inspection, simple structure to after filter screen 140 dismantles, can make the response portion 121 automatic re-setting through reset piece 122, assembly efficiency is high, is favorable to improving reliability and the convenience of filter screen 140 installation.
In one embodiment, referring to fig. 1, the fan further includes a rear net 150, the rear net 150 is connected to the air duct assembly 110, and the filter screen 140 is disposed between the air duct assembly 110 and the rear net 150. Thus, the rear net 150 can ensure the installation reliability of the filter screen 140 on the air duct body 112, and improve the overall quality of the fan.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An air duct structure, characterized in that the air duct structure comprises:
an air duct assembly;
the induction part comprises an induction part and a resetting part, and the induction part is movably connected to the air duct component through the resetting part;
the detection piece is arranged on the air duct assembly, and the induction part is arranged corresponding to the detection piece; a kind of electronic device with high-pressure air-conditioning system
The filter screen is detachably arranged on the air duct assembly and is in interference fit with the sensing part, so that the sensing part is in interference fit with the detection part; the reset piece is used for applying reset force to the sensing part along the direction facing the filter screen.
2. The air duct structure according to claim 1, wherein one end of the sensing portion is provided with an abutting portion, the reset member is a spring arm, one end of the spring arm is connected to an outer wall of the sensing portion, and the other end of the spring arm is connected to the air duct assembly.
3. The air duct structure of claim 2, wherein there are at least two spring arms, all of which are disposed at intervals around the circumference of the sensing portion.
4. The air duct structure according to claim 1, wherein the air duct assembly comprises an air duct body and a lower housing, the lower housing is connected with a circumferential side wall of the air duct body and encloses an installation hollow, the sensing part is movably connected to the air duct body through the resetting piece, the filter screen is detachably installed on the air duct body, the detecting piece is arranged on the air duct body, and the sensing piece and the detecting piece are both located in the installation hollow.
5. The air duct structure according to claim 4, wherein a first mounting portion and a second mounting portion are provided in a circumferential direction of the air duct body, the reset member is detachably connected to the air duct body through the first mounting portion, and the detection member is detachably connected to the air duct body through the second mounting portion.
6. The air duct structure according to claim 5, wherein the air duct body is provided with a perforation, the perforation is communicated with the installation hollow, the perforation is arranged corresponding to the first installation portion, and the induction portion is arranged to extend towards the filter screen through the perforation relative to the air duct body.
7. The air duct structure according to claim 5, wherein a third mounting portion is provided on the lower housing, the third mounting portion is disposed opposite to the first mounting portion, and the third mounting portion is in supporting engagement with the reset member and the sensing portion.
8. The air duct structure according to claim 6, wherein the air duct body is further provided with a guide portion, the guide portion is disposed corresponding to the through hole, and the guide portion is in guide fit with the sensing portion so as to enable the sensing portion to move along the axial direction of the through hole.
9. A fan comprising the duct structure of any one of claims 1-8.
10. The fan of claim 9, further comprising a back screen connected to the air duct assembly, and wherein the screen is disposed between the air duct assembly and the back screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238328.1U CN219366413U (en) | 2023-02-15 | 2023-02-15 | Air duct structure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238328.1U CN219366413U (en) | 2023-02-15 | 2023-02-15 | Air duct structure and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366413U true CN219366413U (en) | 2023-07-18 |
Family
ID=87114757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238328.1U Active CN219366413U (en) | 2023-02-15 | 2023-02-15 | Air duct structure and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366413U (en) |
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2023
- 2023-02-15 CN CN202320238328.1U patent/CN219366413U/en active Active
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