Warm air blower

Abstract

The utility model relates to the technical field of household appliances, and discloses a fan heater which comprises a front shell, a mesh enclosure support and a voice structure, and the mesh enclosure support is detachably installed on the front shell. A mounting seat is arranged on the mesh enclosure bracket, and a mounting groove capable of accommodating and mounting the voice structure is formed in the mounting seat; a pressing plate structure corresponding to the mounting seat is arranged on the front shell; the pressing plate structure comprises a pressing plate main body and a pressing part arranged on the pressing plate main body; when the mesh enclosure support and the front shell are in a connection state, the pressing plate body abuts against and blocks the notch of the mounting groove, and the abutting part extends into the mounting groove and presses the voice structure. Through the arrangement of the pressing plate structure, no cavity exists in assembly, the sound effect of the voice structure is improved, loss and waste in the sound transmission process are reduced, the acoustic principle is met, meanwhile, the stability and the anti-interference capability of the voice structure can be improved, and the problems that the voice structure shakes and the sound effect is affected due to vibration are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a heater. Background Art

[0002] With the development of intelligent technology, voice-activated heaters are becoming increasingly common in the industry. These intelligent announcements facilitate operation and are particularly user-friendly for the elderly. However, improper assembly of the voice-activated heater can affect the sound quality of the heater due to vibrations from the housing and noise from the fan during operation. Therefore, in addition to reliability and cost considerations during assembly, the loss and waste of sound during transmission and the ability to resist interference must also be considered. Utility Model Content

[0003] In view of this, the utility model provides a heater to solve the problem in the prior art that the voice structure of the heater causes great loss and waste in the propagation process and the sound effect is poor.

[0004] The utility model provides a heater, comprising:

[0005] front shell;

[0006] A grille bracket, detachably mounted on the front shell;

[0007] The voice structure and the mesh cover bracket are provided with a mounting seat, and the mounting seat has a mounting groove for accommodating the voice structure;

[0008] A pressure plate structure is provided on the front shell corresponding to the mounting seat, and the pressure plate structure includes a pressure plate body and a pressing portion provided on the pressure plate body;

[0009] When the mesh cover bracket and the front shell are in a connected state, the pressing plate body abuts and blocks the notch of the installation slot, and the pressing portion extends into the installation slot and presses the voice structure.

[0010] Beneficial effects: Through the pressure plate structure arranged on the corresponding mounting seat on the front shell, and the pressure plate structure adopts the design of a pressure plate body and a pressing part, when the mesh cover bracket is assembled with the front shell, the pressure plate body can be sealed at the notch of the mounting groove to prevent the voice structure from falling out of the notch of the mounting groove, further improving the stability of the voice structure, and the pressing part can extend into the mounting groove and press the voice structure to achieve the effect of interference fit, so that the assembly has no cavity, while reducing costs, the sound effect of the voice structure is improved, and the loss and waste in the process of sound propagation is reduced, which complies with the acoustic principles, and can also improve the stability and anti-interference ability of the voice structure, effectively avoid the shaking of the voice structure caused by vibration, which affects the sound effect, and effectively solve the problems of large loss and waste of the voice structure sound in the propagation process of the heater in the prior art, weak anti-interference ability and poor sound effect.

[0011] In an optional embodiment, the mounting base includes:

[0012] The cylindrical body is fixedly arranged on the side of the mesh cover bracket facing the front shell, and the pressure plate body is formed with a positioning recess, and the positioning recess sleeve is positioned on the outer periphery of the cylindrical body;

[0013] The pressing portion is a protruding structure fixedly arranged in the positioning recess.

[0014] Beneficial Effects: By providing a positioning recess on the pressure plate body, the positioning recess can be clipped onto the outer circumference of the cylindrical body, enabling rapid positioning of the pressure plate structure and the cylindrical body, preventing slippage between the two, further improving the stability of the pressure plate structure and the mounting seat, and ensuring that the pressing portion can accurately mate with the voice structure. In addition, by adopting the above-mentioned positioning recess design, the pressure plate structure can also pre-fix the mesh cover bracket and the front shell through the positioning and cooperation between the positioning recess and the cylindrical body, further improving the assembly efficiency of the mesh cover bracket and the front shell.

[0015] In an optional embodiment, the mesh cover bracket is provided with a mounting opening for mounting the voice structure, and the cylindrical body is fixedly arranged on the periphery of the mounting opening;

[0016] A set distance is reserved between the cylindrical body and the circumferential edge of the installation opening to form an annular rib, and the annular rib and the cylindrical body are together enclosed to form the installation groove.

[0017] Beneficial effects: By opening an installation opening for installing the voice structure on the mesh cover bracket, the sound penetration effect is improved, and the voice structure is convenient to receive or emit sound. In addition, through the design of the above-mentioned annular ribs, the annular ribs can be enclosed together with the cylindrical body to form an installation groove, thereby limiting the freedom of the voice structure in the Y-axis and Z-axis directions. The pressure plate structure is blocked at the groove to limit the freedom of the voice structure in the X-axis direction, thereby realizing the all-round limit fixation of the voice structure in the X-axis, Y-axis and Z-axis, further improving the stability and reliability of the voice structure.

[0018] In an optional embodiment, the mounting base further comprises:

[0019] There are a plurality of elastic convex ribs, which are arranged on the inner peripheral wall of the cylindrical body at intervals along the circumferential direction of the cylindrical body.

[0020] Beneficial effect: By arranging a plurality of elastic ribs at intervals on the inner circumference of the cylindrical body, when the voice structure is installed in the installation groove, the elastic ribs can offset the voice structure and deform to achieve the purpose of interference fit, so that the voice structure can be assembled without cavity, further improving the sound effect of the voice structure and reducing waste in the process of sound propagation.

[0021] In an optional embodiment, the pressing portion includes an annular rib fixedly disposed on the pressure plate body.

[0022] Beneficial effect: The pressing portion adopts the structural form of annular convex ribs, which can provide a more dispersed, uniform and reliable pressing force to the voice structure.

[0023] In an optional embodiment, the voice structure includes a microphone and a wire connected to the microphone;

[0024] The microphone is embedded in the mounting seat, and the mounting seat and / or the pressure plate structure are provided with a wire passing structure for the wire to pass through.

[0025] Beneficial effect: By setting the wire-passing structure on the mounting seat and / or the pressure plate structure, the routing of the voice structure is facilitated and assembly interference is prevented.

[0026] In an optional embodiment, a wiring structure is further provided on the mesh cover bracket, and the wiring structure is used to limit the direction of the wire.

[0027] Beneficial effect: By setting the wiring structure on the mesh cover bracket, the direction of the wires connected to the microphone terminals can be restricted, and the wires can be guided to extend toward the mainboard, making the wiring more regular, reducing safety hazards and saving space.

[0028] In an optional embodiment, the wiring structure includes a wire buckle fixedly arranged on the mesh cover bracket, and the wire buckle is L-shaped or J-shaped.

[0029] Beneficial effects: The wiring structure adopts the form of a wire buckle, which has a simple structure and a good limiting effect on the wiring harness. The wire buckle adopts an L-shaped or J-shaped design. The L-shaped or J-shaped wire buckle forms a limiting channel that constrains the direction of the wire, which can prevent it from falling off. During the assembly process of the microphone, when pulling and arranging the wiring, the bending part of the L-shaped or J-shaped wire buckle is used to limit the force point, which greatly reduces the risk of dislocation during the installation of the microphone, and reduces the risk of the microphone being dislocated or falling off during the subsequent assembly and pulling of the wire.

[0030] In an optional embodiment, the mesh cover bracket is buckled onto the front shell and fixed by screws.

[0031] Beneficial effect: The mesh cover bracket is buckled on the front shell and then connected and locked by screws. The two are not only firmly and stably fixed, but also convenient and quick to disassemble and assemble.

[0032] In an optional embodiment, the front shell and the mesh cover bracket have an overlapping area that abuts against each other, and the mounting seat and the pressure plate structure are arranged in the overlapping area.

[0033] Beneficial effect: By arranging the mounting seat and the pressure plate structure correspondingly in the overlapping area where the mesh cover bracket and the front shell are docked with each other, when the mesh cover bracket and the front shell are connected, the mounting seat and the pressure plate structure can be docked, which facilitates the installation and fixation of the voice structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 This is a structural diagram of a heater in an embodiment of the present utility model;

[0036] Figure 2 This is a front view of the assembled front shell, mesh support and voice structure in the embodiment of the present utility model;

[0037] Figure 3 for Figure 2 Schematic diagram of the inner structure;

[0038] Figure 4 This is a schematic diagram of the inner structure of the mesh cover bracket in the embodiment of the present utility model;

[0039] Figure 5 for Figure 4 A magnified view of the structure at center A;

[0040] Figure 6 for Figure 4 Plan view at point A in the middle;

[0041] Figure 7 This is a schematic structural diagram of the mesh cover bracket and the voice structure after being assembled in the embodiment of the present utility model;

[0042] Figure 8 for Figure 7 A magnified view of the structure at point B in the middle;

[0043] Figure 9 for Figure 7 Plan view at point B in the middle;

[0044] Figure 10 This is a schematic structural diagram of the front shell in an embodiment of the present utility model;

[0045] Figure 11 for Figure 10 A magnified view of the structure at point C in the middle;

[0046] Figure 12This is a cross-sectional view of the mesh cover bracket and the voice structure after assembly in the embodiment of the present utility model;

[0047] Figure 13 for Figure 12 A magnified view of the structure at point D in the middle;

[0048] Figure 14 This is an axonometric view of the front shell, mesh support and voice structure after assembly in the embodiment of the present utility model;

[0049] Figure 15 for Figure 14 Enlarged view of the structure at E in the middle;

[0050] Figure 16 Schematic diagram of the structure of the microphone in the embodiment of the present utility model.

[0051] Description of reference numerals:

[0052] 10. Front housing; 100. Screw hole; 11. Pressing plate structure; 111. Pressing plate body; 1111. Positioning recess; 112. Pressing portion; 113. Notch;

[0053] 20. Mesh cover bracket; 200. Mounting port; 21. Mounting seat; 211. Cylindrical body; 212. Annular ribs; 213. Elastic ribs; 214. Opening; 22. Wiring structure; 23. Bolt column;

[0054] 30. Voice structure; 31. Microphone; 32. Wire;

[0055] 40. Mesh cover. DETAILED DESCRIPTION

[0056] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0057] The following combination Figures 1 to 16 , describing the embodiments of the present utility model.

[0058] According to an embodiment of the present utility model, the present utility model provides a heater, comprising: a front shell 10, a mesh cover bracket 20, and a voice structure 30, wherein the mesh cover bracket 20 is detachably mounted on the front shell 10; a mounting seat 21 is provided on the mesh cover bracket 20, and a mounting groove is provided in the mounting seat 21 for accommodating the voice structure 30; a pressure plate structure 11 is provided on the front shell 10 corresponding to the mounting seat 21, and the pressure plate structure 11 includes a pressure plate body 111 and a pressing portion 112 arranged on the pressure plate body 111; when the mesh cover bracket 20 and the front shell 10 are in a connected state, the pressure plate body 111 abuts and blocks the notch of the mounting groove, and the pressing portion 112 extends into the mounting groove and presses the voice structure 30.

[0059] The cam 112 of the present invention is provided with a plurality of support members 114, 116 and 117. The support members 114 are provided with a plurality of support members 118 and 119. The support members 119 are provided with a plurality of support members 119.

[0060] Optionally, the pressure plate structure 11 and the front shell 10 are integrally formed.

[0061] In some embodiments, combined Figures 3 to 5 as well as Figures 10 to 13 As shown, the mounting seat 21 includes a cylindrical main body 211, which is fixedly arranged on the side of the mesh cover bracket 20 facing the front shell 10, and the pressure plate main body 111 is formed with a positioning recess 1111, and the positioning recess 1111 is positioned on the outer periphery of the cylindrical main body 211 by a sleeve; the pressing portion 112 is a protruding structure fixedly arranged in the positioning recess 1111.

[0062] In the above embodiment, by providing the positioning recess 1111 on the pressure plate body 111, the positioning recess 1111 can be clamped onto the outer periphery of the cylindrical body 211, thereby achieving rapid positioning of the pressure plate structure 11 and the cylindrical body 211, preventing the two from slipping, further improving the stability of the cooperation between the pressure plate structure 11 and the mounting seat 21, and ensuring that the pressing portion 112 can accurately dock with the voice structure 30. In addition, by adopting the design of the positioning recess 1111, the pressure plate structure 11 can also achieve pre-fixation of the mesh cover bracket 20 and the front shell 10 through the positioning and cooperation between the positioning recess 1111 and the cylindrical body 211, further improving the assembly efficiency of the mesh cover bracket 20 and the front shell 10.

[0063] Specifically, the shape and size of the cylindrical body 211 match the shape and size of the voice structure 30. The voice structure 30 is embedded and installed in the cylindrical body 211. The cylindrical body 211 is fixedly set on the side wall of the mesh cover bracket 20 facing the front shell 10. The positioning recess 1111 is a groove structure formed by the pressure plate body 111 being recessed in the direction away from the mounting seat 21. The inner periphery of the positioning recess 1111 matches the outer periphery shape and size of the cylindrical body 211.

[0064] Furthermore, the positioning recess 1111 includes an end wall and a peripheral wall, the end wall is blocked at the notch of the mounting groove, the peripheral wall is clamped on the outer periphery of the cylindrical body 211, and the pressing portion 112 is a raised structure fixedly provided on the end wall of the positioning recess 1111. Optionally, the raised structure can be in the form of a boss, a rib, a strip, a ridge or other structural forms.

[0065] In some embodiments, combined Figures 4 to 9 As shown, the mesh cover bracket 20 is provided with an installation opening 200 for installing the voice structure 30, and the cylindrical body 211 is fixedly arranged on the outer periphery of the installation opening 200; and a set distance is reserved between the circumferential edge of the cylindrical body 211 and the installation opening 200 to form an annular rib 212, and the annular rib 212 and the cylindrical body 211 together enclose to form a installation groove.

[0066] In the above embodiment, by opening the mounting opening 200 for mounting the voice structure 30 on the mesh cover bracket 20, the sound penetration effect is improved, and the voice structure 30 is facilitated to receive or emit sound. In addition, by the design of the above-mentioned annular rib 212, the annular rib 212 can be enclosed together with the cylindrical body 211 to form a mounting groove, thereby limiting the freedom of the voice structure 30 in the Y-axis and Z-axis directions. The pressure plate structure 11 is blocked at the groove to limit the freedom of the voice structure in the X-axis direction, thereby realizing the all-round limiting fixation of the voice structure 30 in the X-axis, Y-axis and Z-axis, further improving the stability and reliability of the voice structure 30.

[0067] Specifically, the inner diameter of the cylindrical body 211 is larger than the aperture of the installation port 200, and a certain distance is reserved between the inner periphery of the cylindrical body 211 and the installation port 200. The mesh cover bracket 20 between the distance forms an annular rib 212, and the inner wall of the annular rib 212 and the inner circumferential wall of the cylindrical body 211 together enclose a mounting groove.

[0068] In some embodiments, the mounting seat 21 further includes a plurality of elastic ribs 213 , and the plurality of elastic ribs 213 are arranged on the inner circumferential wall of the cylindrical body 211 at intervals along the circumference of the cylindrical body 211 .

[0069] In the above embodiment, by providing a plurality of elastic ribs 213 at intervals on the inner circumference of the cylindrical body 211, when the voice structure 30 is installed in the mounting groove, the elastic ribs 213 can be offset against the voice structure 30 and deformed to achieve the purpose of interference fit, so that the voice structure 30 can be assembled without cavities, further improving the sound effect of the voice structure 30 and reducing waste in the process of sound propagation.

[0070] Optionally, multiple elastic ribs 213 are evenly spaced along the circumference of the cylindrical body 211, and the elastic ribs 213 are integrally formed with the cylindrical body 211. Preferably, the elastic ribs 213 and the cylindrical body 211 are injection molded parts, and the elastic ribs 213 are made of plastic, which is easier to deform.

[0071] In some embodiments, the pressing portion 112 includes an annular rib fixedly disposed on the pressing plate body 111 .

[0072] In the above embodiment, the pressing portion 112 adopts the structure of an annular convex rib, which can provide a more dispersed, uniform and reliable pressing force to the voice structure 30.

[0073] Specifically, the outer periphery of the annular rib matches the inner periphery of the cylindrical body 211. Preferably, an inclined first guide surface is provided on the outer periphery of the end of the annular rib, and a second guide surface is provided on the inner periphery of the end of the cylindrical body 211. Along the direction in which the pressing portion 112 is inserted into the cylindrical body 211, the inner diameter of the second guide surface gradually decreases. The first guide surface and the second guide surface provided can play an effective guiding role, avoiding the phenomenon of jamming between the pressing portion 112 and the cylindrical body 211, and further improving the assembly efficiency of the two.

[0074] In some embodiments, the voice structure 30 includes a microphone 31 and a wire 32 connected to the microphone 31; the microphone 31 is embedded in the mounting base 21, and a wire passing structure for the wire 32 to pass through is provided on the mounting base 21 and / or the pressure plate structure 11.

[0075] In the above embodiment, the wiring structure provided on the mounting seat 21 and / or the pressure plate structure 11 facilitates the routing of the voice structure 30 and prevents assembly interference.

[0076] Specifically, the voice structure 30 includes a microphone 31 and a wire 32 connected to the terminal of the microphone 31. The microphone 31 is cylindrical in shape as a whole, with a silicone sheath provided on the outer surface, and is installed between the mesh cover bracket 20 and the front shell 10.

[0077] In some specific embodiments, the wire passing structure includes an opening portion 214 arranged on one side of the mounting seat 21, and the wire 32 can pass through the opening portion 214. Specifically, the opening portion 214 includes an opening opened on one side of the cylindrical body 211 and wire ribs formed by extending outward from both side edges of the opening. A wire passing channel for guiding passage is formed between the two wire ribs, and the wire 32 can be guided out along the set direction through the arranged wire ribs.

[0078] Furthermore, if Figure 10 、 Figure 11 As shown, the wire routing structure also includes a notch 113 provided on the pressure plate structure 11. The notch 113 corresponds to the opening 214. Specifically, the positioning recess 1111 is notched on one side of the opening 214 to allow for the two wire ribs and the wire 32 to pass through. The annular rib is also notched on the side of the opening 214 to allow for the wire 32 to pass through. The pressing portion 112 is fixedly provided on the inner side of the pressure plate body 111, that is, on the side of the pressure plate body 111 facing the microphone 31. The pressing portion 112 is an overall protruding annular rib with a notch on one side. The notch is for routing wires to prevent assembly interference.

[0079] In some embodiments, a wiring structure 22 is further provided on the mesh cover bracket 20 , and the wiring structure 22 is used to limit the direction of the wire 32 .

[0080] In the above embodiment, the wiring structure 22 provided on the mesh cover bracket 20 can limit the direction of the wire 32 connected to the terminal of the microphone 31 and guide the wire 32 to extend toward the mainboard, making the wiring more regular, reducing safety hazards and saving space.

[0081] In some embodiments, the wiring structure 22 includes a wire buckle fixedly disposed on the mesh cover bracket 20, and the wire buckle is L-shaped or J-shaped.

[0082] In the above embodiment, the wiring structure 22 adopts the form of a wire buckle, which has a simple structure and a good limiting effect on the wiring harness. The wire buckle adopts an L-shaped or J-shaped design. The L-shaped or J-shaped wire buckle forms a limiting channel that constrains the direction of the wire 32, which can prevent it from falling off. During the assembly process of the microphone 31, when pulling and arranging the wiring, the bending part of the L-shaped or J-shaped wire buckle is used to limit the force point, thereby greatly reducing the risk of dislocation during the installation of the microphone 31 and reducing the risk of the microphone 31 being dislocated or falling off during the subsequent assembly process of pulling the wire.

[0083] Specifically, the wire buckle is integrally formed with the opening portion 214 and the mesh cover bracket 20. Such a design can increase the structural strength of the wire buckle. The wire buckle includes a longitudinal limiting portion and a transverse limiting portion arranged in an L-shape, and a limiting channel is formed between the longitudinal limiting portion and the transverse limiting portion, wherein the longitudinal limiting portion is connected to the mesh cover bracket 20. Preferably, the longitudinal limiting portion is fixed integrally with the conductor rib. To be precise, the longitudinal limiting portion is fixed integrally with the conductor rib located on the side close to the main board, that is, the longitudinal limiting portion is fixed integrally with the lower one of the two conductor ribs. With such a design, the conductor 32 is directly introduced into the limiting channel through the longitudinal limiting portion after being led out from the two conductor ribs.

[0084] Preferably, the wire tie is J-shaped, comprising an L-shaped longitudinal limiting portion and a transverse limiting portion, and an anti-slip portion connected to the end of the transverse limiting portion. The longitudinal limiting portion, the transverse limiting portion, and the anti-slip portion are J-shaped, and the three together form a limiting channel for restricting the routing of the wire 32. The wire tie adopts a J-shaped configuration, which has a better anti-slip effect, can block the routing, change the force point, and effectively prevent the microphone 31 from being misplaced or falling off during the subsequent assembly of the microphone 31 by pulling the wiring harness. The J-shaped wire tie is fixed to the opening 214. Specifically, the J-shaped wire tie is integrally provided with the guide ribs of the opening 214 and the mesh bracket 20. A set spacing is reserved between the anti-slip portion and the mesh bracket 20 to facilitate the insertion of the wire into the wire tie.

[0085] In this embodiment, the voice structure 30 is located between the front shell 10 of the heater and the mesh cover bracket 20, and the wiring structure 22 is located at the upper end of the mesh cover bracket 20. The wiring structure 22 adopts a wire buckle structure, and the wiring is restricted by the limiting channel of the wire buckle, which can effectively prevent the microphone 31 from falling off when it is pre-fixed.

[0086] In some embodiments, the mesh cover bracket 20 is buckled onto the front housing 10 and fixed by screws.

[0087] In the above embodiment, the mesh cover bracket 20 is buckled onto the front housing 10 and then connected and locked by screws. The two are not only firmly and stably fixed, but also conveniently and quickly assembled and disassembled.

[0088] Specifically, the mesh bracket 20 and the front shell 10 are connected and fixed by four groups of screws, and the four groups of screws are distributed at the four corners of the mesh bracket 20. A bolt column 23 is fixed on the inner side of the mesh bracket 20. There are four bolt columns 23, and the four bolt columns 23 are distributed at the four corners of the mesh bracket 20. Four screw holes 100 are correspondingly provided on the front shell 10. The four screw holes 100 and the four bolt columns 23 are correspondingly connected by four screws to realize the connection and fixation of the mesh bracket 20 and the front shell 10.

[0089] Furthermore, the mesh cover bracket 20 is frame-shaped, and the voice structure 30 is located above the frame-shaped mesh cover bracket 20. A mesh cover 40 is installed in the mesh cover bracket 20. After the pressure plate structure 11 and the voice structure 30 are pre-fixed, the screws at the upper end of the front shell 10 are tightened. The two screws make the pressure plate structure 11 on the front shell 10 press the voice structure 30 to achieve an interference fit effect, so that the assembly has no cavity, the microphone 31 has good sound quality, and the waste in the sound propagation process is reduced, which conforms to the acoustic structure.

[0090] In some embodiments, the front shell 10 and the mesh cover bracket 20 have an overlapping area that abuts against each other, and the mounting seat 21 and the pressure plate structure 11 are arranged in the overlapping area.

[0091] In the above embodiment, by correspondingly arranging the mounting seat 21 and the pressure plate structure 11 in the overlapping area where the mesh cover bracket 20 and the front shell 10 are docked with each other, when the mesh cover bracket 20 and the front shell 10 are connected, the mounting seat 21 and the pressure plate structure 11 can be docked, which facilitates the installation and fixation of the voice structure 30.

[0092] In this embodiment, the microphone 31 is placed in the mounting seat 21 of the mesh cover bracket 20, the terminal wiring passes through the opening 214, and is connected to the main board through the limiting guidance of the wiring structure 22. The pressure plate structure 11 on the front shell 10 is pre-fixed with the microphone 31, and the wiring direction is adjusted. Through the pressing part 112 set on the pressure plate body 111 and the elastic rib 213 set on the inner periphery of the mounting seat 21, when the front shell 10 and the mesh cover bracket 20 are tightened by screws, there is no cavity between the mounting groove and the voice structure 30, which ensures the sound effect, improves the stability of the voice structure 30, and improves the ability of the voice structure 30 to resist external vibration, noise and other interference.

[0093] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall fall within the scope of protection of the embodiments of the present application.

Claims

1. A heater, characterized in that: include: front shell (10); A mesh cover bracket (20) is detachably mounted on the front shell (10); A voice structure (30), a mounting seat (21) is provided on the mesh cover bracket (20), and a mounting groove is provided in the mounting seat (21) for accommodating the voice structure (30); A pressure plate structure (11) is provided on the front shell (10) corresponding to the mounting seat (21), and the pressure plate structure (11) comprises a pressure plate body (111) and a pressing portion (112) provided on the pressure plate body (111); When the mesh cover bracket (20) and the front shell (10) are in a connected state, the pressing plate body (111) abuts against and blocks the notch of the installation slot, and the pressing portion (112) extends into the installation slot and presses the voice structure (30).

2. The air heater according to claim 1, characterized in that The mounting seat (21) comprises: The cylindrical body (211) is fixedly arranged on a side of the mesh cover bracket (20) facing the front shell (10); the pressure plate body (111) is formed with a positioning recess (1111); the positioning recess (1111) is positioned by a sleeve on the outer periphery of the cylindrical body (211); The pressing portion (112) is a protruding structure fixedly arranged in the positioning recess (1111).

3. The air heater according to claim 2, characterized in that: The mesh cover bracket (20) is provided with a mounting opening (200) for mounting the voice structure (30), and the cylindrical body (211) is fixedly arranged on the outer periphery of the mounting opening (200); A set distance is reserved between the cylindrical body (211) and the circumferential edge of the installation opening (200) to form an annular rib (212), and the annular rib (212) and the cylindrical body (211) together enclose the installation groove.

4. The air heater according to claim 2, characterized in that The mounting seat (21) further comprises: There are multiple elastic convex ribs (213), and the multiple elastic convex ribs (213) are arranged on the inner peripheral wall of the cylindrical body (211) at intervals along the circumference of the cylindrical body (211).

5. The air heater according to any one of claims 1 to 4, characterized in that: The pressing portion (112) comprises an annular rib fixedly arranged on the pressing plate body (111).

6. The air heater according to any one of claims 1 to 4, characterized in that: The voice structure (30) includes a microphone (31) and a wire (32) connected to the microphone (31); The microphone (31) is embedded in the mounting seat (21), and a wire passing structure for the wire (32) to pass through is provided on the mounting seat (21) and / or the pressure plate structure (11).

7. The air heater according to claim 6, characterized in that A wiring structure (22) is also provided on the mesh cover bracket (20), and the wiring structure (22) is used to limit the direction of the wire (32).

8. The air heater according to claim 7, characterized in that The wiring structure (22) comprises a wire buckle fixedly arranged on the mesh cover bracket (20), and the wire buckle is L-shaped or J-shaped.

9. The air heater according to any one of claims 1 to 4, characterized in that: The mesh cover bracket (20) is buckled onto the front shell (10) and fixed by screws.

10. The air heater according to claim 9, characterized in that The front shell (10) and the mesh cover bracket (20) have an overlapping area that butts against each other, and the mounting seat (21) and the pressure plate structure (11) are arranged in the overlapping area.

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