CN213777873U

CN213777873U - Electric heater

Info

Publication number: CN213777873U
Application number: CN202022218267.1U
Authority: CN
Inventors: 廖岳威
Original assignee: Foshan Libra Electric Appliance Co ltd
Current assignee: Foshan Libra Electric Appliance Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-23
Anticipated expiration: 2030-09-30

Abstract

The utility model particularly discloses an electric heater, which comprises a shell and a reflecting plate component, wherein the reflecting plate component is arranged on the shell, and is characterized in that the front side and the rear side of the reflecting plate component are respectively provided with an electric heating element, and the reflecting plate component is adjacent to the electric heating element; this kind of electric heater because the front side and the rear side of reflecting plate are provided with electric heat-generating body respectively, and electric heat-generating body circular telegram work can the heat of reflection in both sides around the reflecting plate subassembly, obviously increases the heating scope of electric heater.

Description

Electric heater

Technical Field

The utility model relates to a technical field of room heater, in particular to electric heater.

Background

In winter, the electric heater is a common heating device for people. Present electric heater, its structure sees chinese utility model patent number: 2017210968817, name: the utility model provides a heat-generating body rotation type electric heater, announces day: in 2018, 6 months and 15 days, the electric heating element assembly comprises a base, an electric heating element assembly, a switch, a driving device and a top control box, wherein the electric heating element assembly comprises a bottom plate, a top plate, a curved-surface-shaped reflecting plate and an electric heating element, and half shafts are arranged on the top plate and the bottom plate; the driving device is arranged in the top control box, and the switch is arranged in the top control box; the method is characterized in that: the upper end and the lower end of the half net body are respectively connected with the base and the bottom plate of the top control box; the electric heating element assembly is positioned in the cylindrical net body. The electric heating element assembly can rotate, the net barrel surrounds the electric heating element assembly, the hot air outlet area is large, and indoor temperature rising is fast.

However, the above patents have disadvantages: (1) because only one side of the curved-surface reflecting plate is provided with the electric heating body, when the electric heater works, heat is reflected only by one side of the reflecting plate close to the electric heating body, the heat cannot be reflected by the other side of the reflecting plate, and the heating range is smaller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an electric heater of obvious increase heating scope.

The utility model discloses the purpose realizes like this:

an electric heater comprises a shell and a reflection plate assembly, wherein the reflection plate assembly is arranged on the shell, and the electric heater is characterized in that the front side and the rear side of the reflection plate assembly are respectively provided with an electric heating body, and the reflection plate assembly is adjacent to the electric heating body; this kind of electric heater because the front side and the rear side of reflecting plate are provided with electric heat-generating body respectively, and electric heat-generating body circular telegram work can the heat of reflection in both sides around the reflecting plate subassembly, obviously increases the heating scope of electric heater.

The utility model discloses can also further adopt following technical scheme:

specifically, a notch is arranged in the middle of the reflecting plate assembly, one part of the electric heating body protrudes out of the front side of the reflecting plate assembly, and the other part of the electric heating body penetrates through the notch and protrudes out of the rear side of the reflecting plate assembly; the arrangement of the notch can ensure that the single electric heating bodies are distributed on two sides of the reflecting plate assembly, the purpose that the front side and the rear side of the reflecting plate assembly can reflect heat is realized, and the implementation is easy.

The reflecting plate assembly comprises a left reflecting plate, a right reflecting plate, a top plate and a bottom plate, the tops of the left reflecting plate and the right reflecting plate are connected with the top plate, the bottoms of the left reflecting plate and the right reflecting plate are connected with the bottom plate, a gap is formed between the left reflecting plate and the right reflecting plate, and the gap forms the notch; the reflecting plate component comprises a frame body formed by encircling a left reflecting plate, a right reflecting plate, a top plate and a bottom plate, the structure is simple, the gap is arranged in a clearance mode and is easy to realize, and the arrangement of a single electric heating body is convenient.

The electric heating body is an inverted U-shaped heating tube, two ends of the inverted U-shaped heating tube are fixed on the bottom plate, and the heating tube sections on two sides of the electric heating body extend out of the front side and the rear side of the reflection plate assembly.

Specifically, two ends of the inverted U-shaped heating tube are provided with thread sections, and the thread sections penetrate through the bottom plate and are connected with the nuts; the connection mode of the thread section and the nut is simple and easy to operate, and the heating tube is convenient to assemble and disassemble.

The left reflecting plate and the right reflecting plate are hollow sections which are symmetrical in shape and identical in size, clamping pieces extend out of the upper ends and the lower ends of the left reflecting plate and the right reflecting plate respectively, corresponding clamping holes are formed in the bottom plate and the top plate, and the clamping pieces penetrate through the clamping holes, so that the bottoms and the tops of the left reflecting plate and the right reflecting plate are connected with the bottom plate and the top plate respectively; the hollow design of the left reflecting plate and the right reflecting plate can reduce the weight of the reflecting plate, the left reflecting plate and the right reflecting plate are easily manufactured into shapes which are beneficial to reflecting heat, and the clamping sheet is arranged to facilitate the assembly and disassembly of the left reflecting plate and the right reflecting plate.

As another embodiment, the front side and the rear side of the reflection plate assembly are respectively provided with independent electric heaters; two independent electric heat-generating bodies set up both sides around reflecting plate subassembly, not only can realize the purpose of this patent, can set up two powers the same as required moreover, or two powers are different, or two electric heat-generating bodies work simultaneously, or the scheme of only an electric heat-generating body work to satisfy various different needs.

The rotary bottom cover and the rotary top cover are respectively fixed on the bottom plate and the top plate, the bottom rotating shaft of the rotary bottom cover is connected with the big gear, and the top rotating shaft of the rotary top cover is movably connected with the upper part of the shell; the rotating shaft of the motor drives the large gear to rotate through the small gear, and then the reflecting plate assembly, the electric heating body and the rotating top cover are driven to rotate through rotating the bottom cover, so that the structure is simple and easy to implement; the small gear drives the large gear to play a role in reducing speed, so that the heating effect of the electric heater is improved; a shaft hole is formed in the center of the large gear, a clamping block extends out of the inner side wall of the shaft hole towards the center, a corresponding clamping groove is formed in a bottom rotating shaft of the rotating bottom cover, the bottom rotating shaft is inserted into the shaft hole, and the clamping block is clamped in the clamping groove; the clamping block of the gearwheel is matched with the clamping groove of the rotary bottom cover, so that the rotary bottom cover is stably driven to rotate by the gearwheel, and the rotary bottom cover is convenient to mount and dismount on the gearwheel.

The motor is arranged in the base, the reflection plate component is fixed at the upper part of the base and positioned in the mesh enclosure, a top rotating shaft of the rotating top cover is inserted into a connecting hole at the bottom of the air outlet cover and connected with a bearing in the connecting hole, a handle hole is formed in the top surface of the handle cover, and the handle cover is fixed at the upper part of the air outlet cover; the motor is arranged in the base, and most of heat of the electric heating body is reflected outwards by the reflecting plate component, and the rest part of heat is upwards discharged from the annular hot air hole of the air outlet cover under the influence of a heat rising principle, so that the heat generated by the electric heater during working has small influence on the base and is beneficial to the stable working of the motor; meanwhile, the annular hot air holes of the air outlet cover upwards discharge hot air, so that the space can be promoted to be heated uniformly for heating; and the handle lid is fixed on the upper portion of the air outlet cover, and because the handle hole is covered by the handle lid body, even if the electric heater works, when a user takes hands, the user is not easily directly affected by hot air.

The reflecting plate component is an S-shaped reflecting plate which is integrally formed at one time, and the concave parts at two sides of the S-shaped reflecting plate are provided with independent electric heating bodies. (ii) a The S-shaped reflecting plate integrally formed at one time is simple in process and easy to machine, the cost can be reduced, and on the other hand, the S-shaped reflecting plate can reflect heat in a large range and can well fulfill the aim of the patent.

The utility model has the advantages as follows:

(1) this kind of electric heater because the front side and the rear side of reflecting plate are provided with electric heat-generating body respectively, and electric heat-generating body circular telegram work can the heat of reflection in both sides around the reflecting plate subassembly, obviously increases the heating scope of electric heater.

(2) The hollow design of the left reflecting plate and the right reflecting plate can reduce the weight of the reflecting plate, the left reflecting plate and the right reflecting plate are easily manufactured into shapes which are beneficial to reflecting heat, and the clamping sheet is arranged to facilitate the assembly and disassembly of the left reflecting plate and the right reflecting plate.

(3) The motor is arranged in the base, and most of heat of the electric heating body is reflected outwards by the reflecting plate component, and most of the rest heat is upwards discharged from the annular hot air hole of the air outlet cover under the influence of a heat rising principle, so that the heat generated by the electric heater during working has little influence on the base and is beneficial to the stable working of the motor; meanwhile, the annular hot air holes of the air outlet cover upwards discharge hot air, so that the space can be promoted to be heated uniformly for heating; and the handle lid is fixed on the upper portion of the air outlet cover, and because the handle hole is covered by the handle lid body, even if the electric heater works, when a user takes hands, the user is not easily directly affected by hot air.

Drawings

Fig. 1 is a perspective view of the electric heater of the present invention.

Fig. 2 is an exploded view of the electric heater of the present invention.

Fig. 3 is a split view of the reflection plate assembly, the electric heating element, the rotary bottom cover and the rotary top cover.

Fig. 4 is a schematic view of the connection of the motor, the pinion and the bull gear.

Fig. 5 is a schematic view showing a connection state between the motor, the pinion gear, the bull gear, the rotary bottom cover, the reflection plate assembly, the electric heating body, and the rotary top cover.

Fig. 6 is a perspective view of the novel air outlet cover.

Fig. 7 is a schematic view of another embodiment of fig. 3.

FIG. 8 is a plan view of another embodiment of the reflection plate assembly and the electric heating body.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: as shown in fig. 1 to 6, an electric heater comprises a shell 1 and a reflection plate assembly 2, wherein the reflection plate assembly 2 is arranged on the shell 1, and is characterized in that the front side and the rear side of the reflection plate assembly 2 are respectively provided with an electric heating element 3, and the reflection plate assembly 2 is adjacent to the electric heating element 3.

As a specific scheme, a notch 10 is arranged in the middle of the reflection plate assembly 2, one part of the electric heating element 3 protrudes out of the front side of the reflection plate assembly 2, and the other part of the electric heating element passes through the notch 10 and protrudes out of the rear side of the reflection plate assembly 2; the reflecting plate assembly 2 comprises a left reflecting plate 21, a right reflecting plate 22, a top plate 23 and a bottom plate 24, the tops of the left reflecting plate 21 and the right reflecting plate 22 are connected with the top plate 23, the bottoms of the left reflecting plate 21 and the right reflecting plate 22 are connected with the bottom plate 24, a gap exists between the left reflecting plate 21 and the right reflecting plate 22, and the gap forms the notch 10.

As a specific scheme, the electric heating body 3 is an inverted U-shaped heating tube, and two ends of the heating tube are fixed on the bottom plate 24; both ends of the inverted U-shaped heating tube are provided with thread sections 31, and the thread sections 31 penetrate through the bottom plate 24 and are connected with nuts 32.

As a better embodiment, the left reflector 21 and the right reflector 22 are hollow sections with symmetrical shapes and the same size, the upper end and the lower end of the left reflector 21 and the right reflector 22 extend out of the clamping sheet 211 respectively, the top plate 23 and the bottom plate 24 are provided with corresponding clamping holes 231, and the clamping sheet 211 passes through the clamping holes 231, so that the top and the bottom of the left reflector 21 and the right reflector 22 are connected with the top plate 23 and the bottom plate 24 respectively.

Example 2: the front side and the rear side of the reflecting plate component 2 are respectively provided with an independent electric heating body 3; as shown in detail in fig. 7.

As a specific scheme, the device further comprises a motor 4, a pinion 5, a gearwheel 6, a rotary bottom cover 7 and a rotary top cover 8, wherein the motor 4 is fixed at the bottom of the housing 1, the pinion 5 is mounted on a rotating shaft 41 of the motor 4, the pinion 5 is meshed with the gearwheel 6, the rotary bottom cover 7 and the rotary top cover 8 respectively extend outwards to form a bottom rotating shaft 71 and a top rotating shaft 81, the rotary bottom cover 7 and the rotary top cover 8 are respectively fixed on the bottom plate 24 and the top plate 23, the bottom rotating shaft 71 of the rotary bottom cover 7 is connected with the gearwheel 6, and the top rotating shaft 81 of the rotary top cover 8 is movably connected with the upper part of the housing 1; the center of the big gear 6 is provided with a shaft hole 61, the inner side wall of the shaft hole extends to the center to form a clamping block 611, the bottom rotating shaft 71 of the rotating bottom cover is provided with a corresponding clamping groove 711, the bottom rotating shaft 71 is inserted into the shaft hole 61, and the clamping block 611 is clamped in the clamping groove 711.

As a specific scheme, the casing includes base 11, screen panel 12, goes out fan housing 13 and handle

lid

14, 12 lower parts of screen panel are provided with base 11, and its upper portion is fixed with out fan housing 13, and it is provided with annular heavy platform 131 to go out fan housing 13 top, and annular heavy platform 131 periphery is provided with annular hot-blast hole 20, and annular hot-blast hole 20 communicates with screen panel 12 is inside, motor 4 sets up in base 11, and reflection board subassembly 2 fixes on base 11's upper portion and lies in screen panel 12, and the top rotation axis 81 of rotatory top cap 8 inserts in the connecting hole 132 of fan housing 13 bottom, and is connected with the bearing 133 in connecting hole 132, handle lid 14 top surface is provided with handle hole 141, and handle lid 14 is fixed on fan housing 13 upper portion.

Example 3: the reflecting plate component 2 is an S-shaped reflecting plate which is integrally formed in one step, and the concave parts on the two sides of the S-shaped reflecting plate are provided with independent electric heating bodies 3; as shown in detail in fig. 8.

The working principle is as follows: electric heater circular telegram work, motor 4 drives gear wheel 6 through pinion 5 and rotates, makes rotatory bottom 7 drive reflecting plate subassembly 2, electric heat-generating body 3 and rotatory top cap 8 rotate, and 3 circular telegrams of electric heat-generating body generate heat simultaneously, and partly heat slowly reflects away all around through reflecting plate subassembly 2, and another part heat distributes upwards from the annular hot-blast hole 20 of air-out cover 13 to promote indoor temperature.

Claims

1. The utility model provides an electric heater, includes casing (1) and reflecting plate subassembly (2), reflecting plate subassembly (2) set up on casing (1), the front side and the rear side of reflecting plate subassembly (2) are provided with electric heat-generating body (3) respectively, and reflecting plate subassembly (2) are adjacent with electric heat-generating body (3) position, its characterized in that, the middle part of reflecting plate subassembly (2) is provided with breach (10), and the front side of electric heat-generating body (3) some salient reflecting plate subassembly (2), another part pass the rear side of breach (10) salient reflecting plate subassembly (2).

2. The electric heater according to claim 1, wherein the reflection plate assembly (2) comprises a left reflection plate (21), a right reflection plate (22), a top plate (23) and a bottom plate (24), the top of the left reflection plate (21) and the top of the right reflection plate (22) are connected with the top plate (23), the bottom of the left reflection plate (21) and the bottom of the right reflection plate (22) are connected with the bottom plate (24), and a gap exists between the left reflection plate (21) and the right reflection plate (22), and the gap constitutes the gap (10).

3. The electric heater according to claim 2, characterized in that the electric heating body (3) is an inverted U-shaped heating tube, and both ends of the heating tube are fixed on the bottom plate (24).

4. The electric heater according to claim 3, characterized in that the two ends of the inverted U-shaped heating tube are provided with threaded sections (31), and the threaded sections (31) penetrate through the bottom plate (24) and are connected with the nuts (32).

5. The electric heater according to claim 2, wherein the left reflector (21) and the right reflector (22) are hollow sections with symmetrical shapes and the same size, the upper ends and the lower ends of the left reflector (21) and the right reflector (22) extend out of the clamping pieces (211), the top plate (23) and the bottom plate (24) are provided with corresponding clamping holes (231), and the clamping pieces (211) penetrate through the clamping holes (231) so that the top and the bottom of the left reflector (21) and the bottom of the right reflector (22) are connected with the top plate (23) and the bottom plate (24) respectively.

6. The electric heater according to claim 1, characterized in that the front and rear sides of the reflection plate assembly (2) are provided with independent electric heating bodies (3), respectively.

7. The electric heater according to claim 1 or 6, characterized in that, the electric heater further comprises a motor (4), a pinion (5), a gearwheel (6), a rotary bottom cover (7) and a rotary top cover (8), the motor (4) is fixed at the bottom of the housing (1), the pinion (5) is installed on a rotating shaft (41) of the motor (4), the pinion (5) is engaged with the gearwheel (6), the rotary bottom cover (7) and the rotary top cover (8) respectively extend outwards to form a bottom rotating shaft (71) and a top rotating shaft (81), the rotary bottom cover (7) and the rotary top cover (8) are respectively fixed on the bottom plate (24) and the top plate (23), the bottom rotating shaft (71) of the rotary bottom cover (7) is connected with the gearwheel (6), and the top rotating shaft (81) of the rotary top cover (8) is movably connected with the upper part of the housing (1); the center of the big gear (6) is provided with a shaft hole (61), the inner side wall of the shaft hole extends to the center to form a clamping block (611), a corresponding clamping groove (711) is arranged on a bottom rotating shaft (71) of the rotary bottom cover, the bottom rotating shaft (71) is inserted into the shaft hole (61), and the clamping block (611) is clamped in the clamping groove (711).

8. The electric heater according to claim 7, wherein the housing (1) comprises a base (11), a mesh enclosure (12), an air outlet cover (13) and a handle cover (14), the base (11) is disposed at the lower part of the mesh enclosure (12), the air outlet cover (13) is fixed at the upper part of the mesh enclosure (12), an annular sinking platform (131) is disposed at the top of the air outlet cover (13), annular hot air holes (20) are disposed at the periphery of the annular sinking platform (131), the annular hot air holes (20) are communicated with the inside of the mesh enclosure (12), the motor (4) is disposed in the base (11), the reflection plate assembly (2) is fixed at the upper part of the base (11) and is located in the mesh enclosure (12), a top rotation shaft (81) of the rotary top cover (8) is inserted into the connection holes (132) at the bottom of the air outlet cover (13) and is connected with a bearing (133) in the connection holes (132), the handle cover (14) is provided with a handle hole (141) at the top surface, the handle cover (14) is fixed on the upper part of the air outlet cover (13).

9. The electric heater according to claim 1 or 6, wherein the reflecting plate assembly (2) is an S-shaped reflecting plate, the reflecting plate is integrally formed in one step, and the concave parts at two sides of the S-shaped reflecting plate are provided with independent electric heating bodies (3).