CN211119612U

CN211119612U - Oscillating structure and warm air blower

Info

Publication number: CN211119612U
Application number: CN201921556279.6U
Authority: CN
Inventors: 唐昊; 孙一民; 彭煜; 洪艳娜
Original assignee: Shanghai Duqi Technology Co ltd
Current assignee: Shanghai Duqi Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-28
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses an oscillating structure and a heater unit, wherein the oscillating structure comprises a chassis; a housing rotatably mounted on the chassis; the motor is arranged at the bottom of the machine shell, and an output shaft of the motor faces the chassis and is in transmission connection with the chassis so as to drive the machine shell to rotate relative to the chassis. The utility model discloses technical scheme aims at simplifying the structure of shaking the head of electric fan heater to reduce the manufacturing cost of electric fan heater.

Description

Oscillating structure and warm air blower

Technical Field

The utility model relates to a heating equipment technical field, in particular to structure and heater unit of shaking head.

Background

The warm-air drier, another name is portable electric fan heater, mini air heater, the small household electrical appliances that design for indoor such as school, office specially, the warm-air drier all has the function of heating indoor temperature, and most warm-air drier adopts the formula structure of shaking the head, but the structure of shaking the head of current warm-air drier adopts synchronous machine to drive four link mechanism and rotate usually, in order to realize the function of shaking the head of warm-air drier, because the assembly between four link and the synchronous machine is comparatively loaded down with trivial details, make the overall structure of warm-air drier comparatively complicated, thereby lead to the manufacturing cost of warm-air drier higher.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a structure of shaking the head aims at simplifying the structure of shaking the head of electric fan heater to reduce the manufacturing cost of electric fan heater.

In order to achieve the above object, the utility model provides a structure of shaking the head is applied to the electric fan heater, include:

a chassis;

a housing rotatably mounted on the chassis;

the motor is arranged at the bottom of the machine shell, and an output shaft of the motor faces the chassis and is in transmission connection with the chassis so as to drive the machine shell to rotate relative to the chassis.

Optionally, the casing includes a bottom plate and a cover covering the bottom plate, the bottom plate and the cover enclose to form an accommodating cavity, the motor is partially disposed in the accommodating cavity and fixed to the bottom plate, and an output shaft of the motor penetrates through the bottom plate and is in transmission connection with the chassis.

Optionally, the housing includes a rear housing and a front housing that are connected to each other, the bottom plate includes a mounting plate and a supporting plate that are connected to each other, the rear housing covers the mounting plate, the front housing covers the supporting plate, the rear housing, the front housing, the mounting plate, and the supporting plate enclose to form the accommodating cavity, and the motor is supported between the mounting plate and the supporting plate and is fixed to the mounting plate.

Optionally, the mounting plate includes a first mounting sub-plate and a second mounting sub-plate, the first mounting sub-plate is disposed in the accommodating cavity and abutted to the rear housing, the first mounting groove is disposed on the surface of the first mounting sub-plate, the second mounting sub-plate is disposed in the first mounting groove, the second mounting sub-plate is provided with a first notch, and at least part of the motor is clamped in the first notch;

the supporting plate is provided with a second gap, the second gap is arranged towards the first gap, and at least part of the motor is clamped in the second gap.

Optionally, a convex block is convexly arranged on one side, facing the front shell, of the first installation sub-plate, the abutting plate comprises two first abutting sub-plates and a second abutting sub-plate, the two first abutting sub-plates are arranged at intervals, the second abutting sub-plate is lapped on the two first abutting sub-plates, the two first abutting sub-plates and the second abutting sub-plates enclose to form a containing space, and the convex block is inserted into the containing space;

the second support sub-plate and the second installation sub-plate are arranged in parallel and level, and the second notch is formed in the side edge, facing the second installation sub-plate, of the second support sub-plate.

Optionally, a mounting column is convexly arranged on the bottom surface of the chassis, an insertion hole is formed in an end face of the mounting column, which is away from the bottom surface of the chassis, and the output shaft of the motor is inserted into the insertion hole.

Optionally, an annular accommodating groove is formed in the bottom of the casing, a limiting table is convexly arranged on the outer side wall of the chassis, the limiting table extends along the circumferential direction of the chassis, and the limiting table is inserted into the accommodating groove.

Optionally, the oscillating structure further comprises a rolling member, the rolling member is rotatably disposed on the chassis, and the rolling member abuts against the bottom of the casing to reduce friction between the chassis and the casing;

or, the structure of shaking head still includes the rolling member, the rolling member rotationally locates the bottom surface of casing, the rolling member butt in the face of chassis is the surface of casing, be used for reducing the chassis with the friction between the casing.

Optionally, when the rolling member is rotatably disposed on the chassis, a receiving platform is disposed in the chassis, the receiving platform is convexly disposed on the inner wall of the chassis and extends towards the casing direction, a placement groove is formed in the upper surface of the receiving platform, the rolling member is rotatably mounted in the placement groove, and the top of the rolling member protrudes from the chassis.

The utility model also provides a fan heater, include the circuit board and shake the head structure, the circuit board install in the chassis, and with motor electric connection.

The utility model discloses technical scheme is through installing the casing on the chassis, and it is rotatory through the motor drive casing, in order to realize the function of shaking the head of electric fan heater, specifically, the motor is installed in chassis bottom, the output shaft transmission of motor is connected in the chassis, because the chassis plays the effect of support and bearing, so, when the output shaft of motor rotates, the chassis does not rotate, thereby order about the casing rotation with motor fixed connection, in order to realize the function of shaking the head of electric fan heater, it is visible, through the setting of getting rid of the connecting rod, make the overall structure of electric fan heater comparatively simple, thereby reach reduction in production cost's purpose.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of an embodiment of the fan heater of the present invention;

fig. 2 is an exploded view of an embodiment of the oscillating structure of the present invention;

FIG. 3 is a view from another perspective of FIG. 2;

FIG. 4 is a further view from FIG. 2;

FIG. 5 is a schematic structural view of the rear housing of FIG. 4;

FIG. 6 is a schematic structural view of the front housing of FIG. 4;

fig. 7 is a schematic structural view of the chassis in fig. 4.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a structure of shaking head 100.

As shown in fig. 1 to 7, in the embodiment of the present invention, the oscillating structure 100 includes:

a chassis 110;

a housing 120, wherein the housing 120 is rotatably mounted on the chassis 110;

the motor 130 is mounted at the bottom of the casing 120, and an output shaft of the motor 130 is disposed toward the chassis 110 and is in transmission connection with the chassis 110 to drive the casing 120 to rotate relative to the chassis 110.

The chassis 110 is a circular structure, the casing 120 is spherical, the casing 120 is rotatably mounted on the chassis 110 to form a closed space, so the chassis 110 is adapted to the bottom structure of the casing 120, the connection mode may be that a slot is arranged at the bottom of the casing 120, a fixture block matched with the slot is arranged at the outer side of the chassis 110 for clamping, or a connector is arranged at the bottom of the casing 120 and connected with the chassis 110 through a connector, etc., a connector plate is arranged at the bottom of the casing 120, the side wall of the connector plate abuts against the inner side wall of the casing 120, a through hole is arranged in the middle of the connector plate for mounting the motor 130, so that the motor 130 is connected with the casing 120, the connector or the slot is arranged below the connector plate, i.e. the bottom of the casing 120 is connected with the chassis 110, the output shaft of the motor 130 is arranged on the, simple structure and convenient installation.

The casing 120 is a sphere, and has a receiving cavity formed therein, the motor 130 is disposed in the receiving cavity, specifically, the motor 130 is mounted on the connecting plate, meanwhile, the output shaft (driving end) of the motor 130 passes through the connecting plate to be connected with the chassis 110, that is, one end of the motor 130, which is far away from the output shaft, is fixedly connected with the connecting plate, the motor 130 controls the forward rotation and the reverse rotation of the motor 130 through output signals, meanwhile, the head shaking angle of the warm air blower is realized by controlling (programming) the rotating speed and the number of revolutions of the output shaft through signals, when a signal of a different angle (which may be 0-360 deg.) is given, the output shaft of the motor 130 correspondingly rotates to the angle, and reciprocates, therefore, the motor 130 that can be understood by realizing the rotation of the fan heater at a larger angle can be the stepping motor 130 or the servo motor 130, as long as the motor 130 that can control the direction and angle of the moving head through signals can be realized.

Because synchronous machine 130 can't set up corresponding stroke, can't realize the route of traveling (shaking the head) that the electric fan heater needs according to the programming, only can when synchronous machine 130 runs into the barrier, just can return, so will realize the function of shaking the head of electric fan heater, need set up the connecting rod between synchronous machine 130 and the structure of shaking the head of electric fan heater, restrict the angle of shaking the head of electric fan heater through the connecting rod, this kind of mode is comparatively loaded down with trivial details, so through the utility model discloses a setting up of structure of shaking the head has not only simplified the complexity of the structure of shaking the head, has reduced manufacturing cost, has increased the flexibility of angle of shaking the head moreover, can realize that the electric fan heater is 0 to 360 shaking the head.

The utility model discloses technical scheme is through installing casing 120 on chassis 110 to it is rotatory to drive casing 120 through motor 130, in order to realize the function of shaking the head of electric fan heater, specifically, motor 130 is installed in casing 120 bottom, the output shaft transmission of motor 130 is connected in chassis 110, because chassis 110 plays the effect of support and bearing, so, when the output shaft of motor 130 rotates, chassis 110 does not rotate, thereby drive the casing 120 with motor 130 fixed connection and rotate, in order to realize the function of shaking the head of electric fan heater, therefore, through the setting of removing the connecting rod, make the overall structure of electric fan heater comparatively simple, thereby reach the mesh that reduces manufacturing cost; simultaneously, motor 130 controls corotation or the reversal of its output shaft through setting up input signal to through signal control, realize the rotation of the different angles of casing 120, compare in the current structure of shaking the head, the utility model discloses the structure of shaking the head need not receive the restriction of connecting rod, can realize the different angles of electric fan heater and the function of shaking the head of bigger angle.

In this embodiment, the housing 120 includes a bottom plate 121 and a cover 124 covering the bottom plate 121, the bottom plate 121 and the cover 124 enclose to form an accommodating cavity, the motor 130 is partially disposed in the accommodating cavity and fixed to the bottom plate 121, and an output shaft of the motor 130 penetrates through the bottom plate 121 and is in transmission connection with the chassis 110.

The casing 120 includes a bottom plate 121 and a cover, the cover is spherical and forms a containing cavity with the bottom plate 121, the motor 130 is disposed in the containing cavity, specifically, the motor 130 is mounted on the connecting plate, meanwhile, the output shaft (driving end) of the motor 130 passes through the bottom plate 121 and is in transmission connection with the chassis 110, that is, one end of the motor 130, which is far away from the output shaft, is fixedly connected with the bottom plate 121, the motor 130 controls the forward rotation and the reverse rotation of the motor 130 through output signals, meanwhile, the head shaking angle of the warm air blower is realized by controlling (programming) the rotating speed and the number of revolutions of the output shaft through signals, when a signal of a different angle (which may be 0-360 deg.) is given, the output shaft of the motor 130 correspondingly rotates to the angle, and reciprocates, therefore, the motor 130 that can be understood by realizing the rotation of the fan heater at a larger angle can be the stepping motor 130 or the servo motor 130, as long as the motor 130 that can control the direction and angle of the moving head through signals can be realized.

Further, the housing 124 includes a rear housing 1241 and a front housing 1242 connected to each other, the bottom plate 121 includes a mounting plate 122 and a supporting plate 123 connected to each other, the rear housing 1241 covers the mounting plate 122, the front housing 1242 covers the supporting plate 123, the rear housing 1241, the front housing 1242, the mounting plate 122 and the supporting plate 123 enclose to form the accommodating cavity, and the motor 130 is supported between the mounting plate 122 and the supporting plate 123 and fixed to the mounting plate 122.

It can be understood that the housing 120 includes a rear housing 1241, a front housing 1242, a mounting plate 122 and a supporting plate 123, the housing 120 is cut along its axial direction and is divided into four parts, the rear housing 1241 covers over the mounting plate 122, the front housing 1242 covers over the supporting plate 123, the rear housing 1241, the front housing 1242, the mounting plate 122 and the supporting plate 123 enclose to form an accommodating cavity, two opposite sides of the motor 130 are supported between the side walls of the mounting plate 122 and the supporting plate 123 and are fixed to the mounting plate 122, the supporting plate 123 is fixed to the mounting plate 122, and the motor 130 drives the mounting plate 122 to rotate so as to rotate the housing 120.

Optionally, the mounting plate 122 includes a first mounting sub-plate 1221 and a second mounting sub-plate 1222, the first mounting sub-plate is disposed in the accommodating cavity and abuts against the rear housing 1241, the surface of the first mounting sub-plate is provided with the first receiving groove, the second mounting sub-plate is disposed in the first receiving groove, the second mounting sub-plate is provided with a first notch, and the motor 130 is at least partially clamped in the first notch 1224;

the support plate is provided with a second notch 1233 facing the first notch 1224, and the motor is at least partially clamped in the second notch.

The casing 120 comprises backshell 1241 and preceding shell 1242, backshell 1241 and preceding shell 1242 also can be called backshell 1241 and preceding shell 1242, backshell 1241 and preceding shell 1242 set up relatively, its opposite face passes through the joint, it is sticky, connected mode such as welding is all enough, the bottom of backshell 1241 and preceding shell 1242 is connected with chassis 110 respectively, and can be relative chassis 110 synchronous rotation, backshell 1241 and preceding shell 1242 are the hemisphere structure, backshell 1241 and preceding shell 1242 set up its opposite face relatively and are the opening setting, the inside chamber that holds that is formed with behind the opposite face connection back, the intracavity is placed in to deviating from output shaft one end of motor 130, and PMKD 121. The bottom plate 121 is composed of a mounting plate 122 and a supporting plate 123, the mounting plate 122 and the supporting plate 123 are respectively and relatively arranged on the rear shell 1241 and the front shell 1242, the mounting plate 122 is semicircular and comprises a side wall and a bottom wall, the side wall is abutted to the inner wall of the rear shell 1241, the bottom wall is relatively supported by the supporting plate 123, the mounting plate 122 and the supporting plate 123 are respectively provided with an avoiding groove for avoiding the motor 130, the motor 130 is arranged between the mounting plate 122 and the supporting plate 123 and is fixed on the mounting plate 122, the specific fixing mode of the motor 130 can be fixed through a connecting piece and can also be locked and fixed through a locking piece, the motor 130 is fixed on the mounting plate 122 so as to ensure that the motor 130 rotates, the housing 120 can be rapidly driven to rotate together, the motor 130 is prevented from being separated from.

The first installation sub-board 1221 and the second installation sub-board 1223 are both arranged in the rear shell 1241, the first installation sub-board 1221 is fixed on the inner wall of the rear shell 1241, the second installation sub-board 1223 is provided with a first gap 1224 matched with the motor 130 and fixed on the first installation sub-board 1221, and the first gap 1224 is used for abutting against one side of the motor 130; the first support sub-plate 1231 and the second support sub-plate 1232 are both arranged on the front shell 1242, the first support sub-plate 1231 is fixed on the inner wall of the front shell 1242, the second support sub-plate 1232 is fixed on the first support sub-plate 1231 and is used for supporting the other side of the motor 130, and the second installation sub-plate 1223 and the second support sub-plate 1232 are arranged in parallel relatively and are clamped on the motor 130, so that the motor 130 is fixed on the installation plate 122.

Optionally, the first mounting sub-plate 1221 is provided with a protruding block 1222 protruding toward the front housing 1242, the supporting plate 123 includes two first supporting sub-plates 1231 and a second supporting sub-plate 1232, the two first supporting sub-plates are arranged at an interval, the second supporting sub-plate is lapped over the two first supporting sub-plates, the two first supporting sub-plates and the second supporting sub-plates surround to form a receiving space, and the protruding block is inserted into the receiving space;

The second installation sub-board 1223 and the second support sub-board 1232 are installed and fixed through the bump 1222, the second support board 123 is provided with a first through hole, during installation, the bump 1222 is disposed on the second support board 123 and provided with a second through hole, the first through hole and the second through hole are communicated, a screw is inserted into the first through hole and the second through hole and screwed, that is, the second installation sub-board 1223 and the second support sub-board 1232 are fixed, specifically, the chassis 110 is provided with a third through hole, the screw passes through the bottom of the chassis 110 to fix the second installation sub-board 1223 and the second support sub-board 1232, meanwhile, the second support sub-board 1232 is provided with a second notch 1233, the second notch 1233 is matched with the side wall of the motor 130, and the other side of the motor 130 abuts against the second notch 1233, that the first notch 1224 and the second notch 1233 circumferentially wrap the side wall of the motor 130, so as to increase the stability of the motor 130.

Optionally, a mounting post 111 is convexly disposed on the bottom surface of the chassis 110, an insertion hole is disposed on an end surface of the mounting post 111 facing away from the bottom surface of the chassis 110, and an output shaft of the motor 130 is inserted into the insertion hole.

Chassis 110 needs to bear the weight of casing 120 and accept the installation relation of each subassembly, therefore, the output shaft of motor 130 is connected in chassis 110, when the output shaft is rotatory, because the chassis 110 bearing is great, unable rotation, motor 130 reaction force will be given to the output shaft, the one end that the drive deviates from the output shaft rotates, casing 120 with motor 130 connection is rotated in order to realize the drive, so the output shaft is installed in chassis 110 through the mode of pegging graft, stability when motor 130 is rotatory can be increased, and simultaneously, chassis 110 has certain height, inside is formed with the mounting groove, be connected with chassis 110 with each subassembly of structure of shaking the head in order to make things convenient for, and certain weight has, with chassis 110's friction when increasing casing 120 is rotatory.

In this embodiment, the bottom of the casing 120 is provided with an annular accommodating groove 125, the outer side wall of the chassis 110 is convexly provided with a limiting table 112, the limiting table 112 extends along the circumferential direction of the chassis 110, and the limiting table 112 is inserted into the accommodating groove 125.

The chassis 110 has a certain height, the outer wall of the chassis 110 is convexly provided with the limiting table 112, the limiting table 112 can be arranged around the outer wall of the chassis 110, and is in a circular ring shape, or is convexly arranged at the relative position of the side wall of the chassis 110, and is in a block shape, so as to facilitate the installation of the casing 120 (the rear casing 1241 and the front casing 1242), that is, the containing groove 125 is arranged at the bottom of the casing 120, and the limiting table 112 is inserted into the containing groove 125. Specifically, the accommodating groove 125 includes a first limiting groove and a second limiting groove, the first limiting groove is disposed at the bottom of the back shell 1241, and below the mounting plate 122, the first limiting groove is inserted into the limiting platform 112 facing one side of the back shell 1241 of the chassis 110, so as to limit one side of the chassis 110, and meanwhile, the back shell 1241 is mounted on the chassis 110 and fixed to one side of the chassis 110 in a clamping manner. The second limiting groove is formed in the bottom of the front shell 1242 and is formed along the bottom wall of the front shell 1242, the second limiting groove is formed below the abutting plate 123, the second limiting groove is inserted into the limiting table 112, facing one side of the front shell 1242, of the chassis 110 so as to limit the other side of the chassis 110, and meanwhile, the front shell 1242 is installed on the chassis 110 and is clamped and fixed with the other side of the chassis 110 so as to clamp the chassis 110.

In this embodiment, the oscillating structure further includes a rolling member 140, the rolling member 140 is rotatably disposed on the chassis 110, and the rolling member 140 abuts against the bottom of the casing 120 to reduce friction between the chassis 110 and the casing 120;

or, the moving head structure further includes a rolling member 140, the rolling member 140 is rotatably disposed on the outer surface of the bottom of the casing 120, and the rolling member 140 abuts against the surface of the bottom plate 110 facing the casing 120, so as to reduce friction between the bottom plate 110 and the casing 120.

The rolling member 140 is connected between the bottom of the casing 120 and the chassis 110 in a rolling manner, so that friction between the casing 120 and the chassis 110 is reduced, and the flexibility of rotation of the fan heater is improved, therefore, the rolling member 140 can be arranged at the bottom of the casing 120, a rolling surface is abutted against the chassis 110, or can be convexly arranged on the chassis 110, and the rolling surface is abutted against the bottom of the casing 120, so that the effect of reducing the friction between the chassis 110 and the casing 120 can be achieved.

Specifically, when the rolling element 140 is rotatably disposed on the chassis 110, a receiving platform 113 is disposed in the chassis 110, the receiving platform 113 is convexly disposed on an inner wall of the chassis 110 and extends toward the casing 120, a placement groove 1131 is disposed on an upper surface of the receiving platform 113, the rolling element 140 is rotatably disposed in the placement groove 1131, and a top of the rolling element 140 protrudes from the chassis 110.

The plummer is located in the mounting groove and the plummer upper surface is equipped with the mounting groove, the rolling member 140 is located in installing groove 1131, the rolling member 140 specifically can be ball or roller etc. because rolling member 140 and bottom plate 121 butt for reduce the friction between bottom plate 121 and the chassis 110, make casing 120 when rotating, more steady, and bottom plate 121 joint and spacing platform 112, so the setting of rolling member 140 can be a little higher than spacing platform 112.

The utility model also provides a fan heater, include the circuit board and shake head structure 100, the circuit board install in chassis 110, and with motor 130 electric connection.

The circuit board controls the rotation of the motor 130 through control signals for the motor 130, and when different head shaking angles are required, the circuit board controls the rotation of the motor 130 through setting different control signals, and meanwhile, the circuit board provides electric energy required by driving for the motor 130.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a structure of shaking head, is applied to the electric fan heater, its characterized in that includes:

a chassis;

a housing rotatably mounted on the chassis;

2. A moving head structure according to claim 1 wherein said housing comprises a bottom plate and a cover covering said bottom plate, said bottom plate and said cover enclosing a cavity, said motor being partially disposed in said cavity and fixed to said bottom plate, said motor having an output shaft extending through said bottom plate and drivingly connected to said chassis.

3. A moving head structure according to claim 2 wherein said housing comprises a rear shell and a front shell which are connected to each other, said base plate comprises a mounting plate and a holding plate which are connected to each other, said rear shell covers said mounting plate, said front shell covers said holding plate, said rear shell, said front shell, said mounting plate and said holding plate enclose said containing cavity, and said motor is held between said mounting plate and said holding plate and fixed to said mounting plate.

4. A moving head structure according to claim 3 wherein said mounting plate comprises a first mounting sub-plate and a second mounting sub-plate, said first mounting sub-plate is disposed in said containing chamber and abuts against said rear housing, a first receiving groove is disposed on a surface of said first mounting sub-plate, said second mounting sub-plate is disposed in said first receiving groove, said second mounting sub-plate is provided with a first notch, and said motor is at least partially retained in said first notch;

5. A moving head structure according to claim 4 wherein said first mounting sub-plate is provided with a protruding block protruding toward said front shell, said abutting plate comprises two first abutting sub-plates and a second abutting sub-plate, said two first abutting sub-plates are arranged at intervals, said second abutting sub-plate is lapped on said two first abutting sub-plates, said two first abutting sub-plates and said second abutting sub-plates enclose to form a receiving space, said protruding block is inserted into said receiving space;

6. The oscillating structure according to claim 1, wherein the bottom surface of said chassis is provided with a protruding mounting post, an end surface of said mounting post facing away from said bottom surface of said chassis is provided with a plug hole, and an output shaft of said motor is inserted into said plug hole.

7. The oscillating structure according to claim 1, wherein the bottom of said casing is provided with an annular containing groove, the outer side wall of said chassis is convexly provided with a limiting platform, said limiting platform extends along the circumferential direction of said chassis, and said limiting platform is inserted into said containing groove.

8. A moving head structure according to any of claims 1-7, characterized in that said moving head structure further comprises rolling members, said rolling members are rotatably arranged on said chassis, said rolling members abut against the bottom of said enclosure for reducing friction between said chassis and said enclosure;

9. A moving head structure according to claim 8 wherein when said rolling members are rotatably mounted on said base plate, said base plate is provided with a receiving platform therein, said receiving platform is disposed on the inner wall of said base plate and extends toward said housing, said receiving platform is provided with a mounting groove on the upper surface thereof, said rolling members are rotatably mounted in said mounting groove, and the tops of said rolling members protrude from said base plate.

10. A fan heater comprising a circuit board and a moving head structure according to any one of claims 1 to 9, said circuit board being mounted to said base plate and being electrically connected to said motor.