Electric heater

Abstract

The utility model discloses an electric heater which comprises a supporting frame, a lower hollowed-out cylinder is fixedly connected to the bottom of the supporting frame in an inserted mode, a mounting frame is fixedly connected between the circumferential inner walls of the lower hollowed-out cylinder, a plurality of heating pipes are fixedly connected to the top of the mounting frame, a bottom plate is fixedly connected to the bottom end of the lower hollowed-out cylinder, and a plurality of land wheels are fixedly connected to the bottom of the bottom plate. A rotating column is rotationally inserted into the inner wall of the top of the supporting frame, a connecting disc is fixedly connected to the bottom end of the rotating column, a connecting plate is fixedly connected to the bottom of the connecting disc, a closing assembly is arranged on one side of the connecting plate, and the closing assembly comprises a fixed arc plate. The rotating column is driven to rotate under the meshing action of the worm and the worm wheel, so that the protruding block moves in the guide groove, the sliding arc plates are driven to move, the unfolding amplitude of the sliding arc plates is adjusted, the size of an air outlet of the electric heater is adjusted, and the heating range is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heater technical field especially relates to a kind of electric heater. BACKGROUND

[0002] Electric heater is used more and more by people as a kind of heating equipment, and it is also convenient for people to use.

[0003] Among them, by searching, the patent with the announcement number CN220852297U discloses an electric heater, and the above-mentioned patent realizes the function of the movable electric heater by adding the structure of the ground wheel to the electric heater. However, since the electric heater cannot adjust the range of hot air emission according to the heating range, the use effect of the electric heater is not good. Therefore, in order to promote the industry technology and better realize the heating function of the electric heater and improve the core technology competitiveness, the present application proposes a new implementation scheme different from the overall structure and application mode of the electric heater in the prior art. SUMMARY

[0004] The utility model aims at solving the problem that the use effect of the existing electric heater is not good due to the fact that the electric heater cannot adjust the range of hot air emission according to the heating range during use, and proposes an electric heater.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An electric heater comprises a support frame, a lower hollow cylinder is fixedly connected to the bottom of the support frame, a mounting frame is fixedly connected between the circumferential inner wall of the lower hollow cylinder, a plurality of heating pipes are fixedly connected to the top of the mounting frame, a bottom plate is fixedly connected to the bottom end of the lower hollow cylinder, a plurality of ground wheels are fixedly connected to the bottom of the bottom plate, a rotating column is rotatably connected to the top inner wall of the support frame, a connecting disc is fixedly connected to the bottom end of the rotating column, a connecting plate is fixedly connected to the bottom of the connecting disc, a closing assembly is arranged on one side of the connecting plate, the closing assembly comprises a fixed arc plate, the fixed arc plate is fixed between the top inner wall and the bottom inner wall of the support frame, a connecting arc plate is fixedly connected to one side of the connecting plate, a plurality of sliding arc plates are arranged between the connecting arc plate and the fixed arc plate, a plurality of protrusions are integrally formed on the outer surface of the sliding arc plate, a guide groove is arranged on the inner surface of the fixed arc plate and the sliding arc plate, and the protrusion slides in the guide groove.

[0007] Further, a worm wheel is key-connected to the top end of the rotating column, a worm is transversely rotatably connected to the top of the support frame, the worm is engaged with the worm wheel, and a knob is fixedly connected to one end of the worm.

[0008] Further, a limiting plate is fixedly connected between the top inner wall and the bottom inner wall of the support frame, and the limiting plate is in contact with the fixed arc plate.

[0009] Further, the top of the bottom plate is fixedly connected with a blowing fan, and the blowing fan is located in the lower hollow cylinder.

[0010] Further, a plurality of connecting ribs are fixedly connected between the bottom of the support frame and the bottom plate.

[0011] Further, an upper hollow cylinder is fixedly connected to the inner wall of the bottom of the support frame, and the upper hollow cylinder covers the outer side of the heating pipe.

[0012] Further, a handle is rotatably connected to the top of the support frame, a plurality of guide rings are fixedly connected between the circumferential inner walls of the support frame, and the sliding arc plate slides on the guide rings.

[0013] The electric heater has the advantages that:

[0014] 1. The rotating column is driven to rotate under the meshing effect of the worm and the worm wheel, so that the convex block moves in the guide groove, and the sliding arc plate is driven to move, thereby adjusting the amplitude of the expansion of the plurality of sliding arc plates, and adjusting the size of the air outlet of the electric heater, so as to adjust the heating range.

[0015] 2. The sliding of the sliding arc plate on the guide ring is guided, and the stability of the air outlet adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the electric heater is provided.

[0017] Figure 2 A front view cross-sectional structure schematic diagram of the electric heater is provided.

[0018] Figure 3 A side view cross-sectional structure schematic diagram of the electric heater is provided.

[0019] Figure 4 A top view cross-sectional structure schematic diagram of the closed assembly of the electric heater is provided.

[0020] Figure 5 A partial three-dimensional structure schematic diagram of the electric heater is provided.

[0021] Figure 6 A partial three-dimensional structure schematic diagram of the electric heater is provided.

[0022] Figure 7 A sliding-out state structure schematic diagram of the closed assembly of the electric heater is provided.

[0023] In the figure: 1, support frame; 2, lower hollow cylinder; 3, mounting frame; 4, heating pipe; 5, bottom plate; 6, ground wheel; 7, closing assembly; 701, fixed arc plate; 702, connecting arc plate; 703, sliding arc plate; 704, protruding block; 705, guide groove; 8, rotating column; 9, connecting disc; 10, connecting plate; 11, worm wheel; 12, worm; 13, limiting plate; 14, blowing fan; 15, connecting rib; 16, upper hollow cylinder; 17, handle; 18, guide ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Reference Figures 1-7 An electric heater comprises a support frame 1, a lower hollow cylinder 2 is fixedly inserted at the bottom of the support frame 1, mounting frames 3 are welded between the circumferential inner walls of the lower hollow cylinder 2, a plurality of heating pipes 4 are fixedly screwed at the top of the mounting frames 3 to heat air, a bottom plate 5 is welded at the bottom end of the lower hollow cylinder 2, a plurality of ground wheels 6 are fixedly screwed at the bottom of the bottom plate 5, a rotating column 8 is rotatably inserted at the inner wall of the top of the support frame 1, a connecting disc 9 is welded at the bottom end of the rotating column 8, a connecting plate 10 is fixedly screwed at the bottom of the connecting disc 9, a closing assembly 7 is arranged on one side of the connecting plate 10, the closing assembly 7 comprises a fixed arc plate 701 fixed between the top inner wall and the bottom inner wall of the support frame 1, a connecting arc plate 702 is fixedly screwed on one side of the connecting plate 10, a plurality of sliding arc plates 703 are arranged between the connecting arc plate 702 and the fixed arc plate 701, a plurality of protruding blocks 704 are integrally formed on the outer surface of the sliding arc plates 703, guide grooves 705 are arranged on the inner surfaces of the fixed arc plate 701 and the sliding arc plates 703, the protruding blocks 704 slide in the guide grooves 705, a worm wheel 11 is keyed at the top end of the rotating column 8, a worm 12 is transversely rotatably connected at the top of the support frame 1, the worm 12 is engaged with the worm wheel 11, a knob is welded at one end of the worm 12, the knob is twisted to drive the worm 12 to rotate, the rotating column 8 is driven to rotate under the engagement of the worm 12 and the worm wheel 11, the connecting disc 9 and the connecting plate 10 are driven to move, the protruding blocks 704 are driven to move in the guide grooves 705, the sliding arc plates 703 are driven to move, the amplitude of the sliding arc plates 703 is adjusted, and the air outlet of the electric heater is adjusted according to the heating range.

[0026] A limiting plate 13 is welded between the top inner wall and the bottom inner wall of the support frame 1, the limiting plate 13 is in contact with the fixed arc plate 701, thereby limiting the sliding of the sliding arc plate 703, the top of the bottom plate 5 is fixed with a blowing fan 14 through bolts, the blowing fan 14 is located in the lower hollow cylinder 2, and the heated air is blown out, a plurality of connecting ribs 15 are welded between the bottom of the support frame 1 and the bottom plate 5, the bottom inner wall of the support frame 1 is fixed with an upper hollow cylinder 16 through bolts, the upper hollow cylinder 16 covers the outer side of the heating tube 4, thereby protecting the heating tube 4, and further avoiding the accidental touch of the user, the top of the support frame 1 is rotatably connected with a handle 17, thereby facilitating the extraction of the electric heater, a plurality of guide rings 18 are welded between the circumferential inner walls of the support frame 1, the sliding arc plate 703 slides on the guide ring 18, thereby guiding the sliding of the sliding arc plate 703, and improving the stability of the air outlet adjustment.

[0027] The working principle of the embodiment is as follows: in use, first, the knob is twisted to drive the worm 12 to rotate, and then the rotating column 8 is driven to rotate under the action that the worm 12 meshes with the worm wheel 11, thereby driving the connecting disc 9 and the connecting plate 10 to move, and further making the protruding block 704 move in the guide groove 705, thereby driving the sliding arc plate 703 to move, and further adjusting the amplitude of the expansion of the plurality of sliding arc plates 703, so that the air outlet of the electric heater is adjusted according to the heating range, then the gas is sucked into the electric heater under the action of the blowing fan 14, and then the heated air is blown out from the air outlet for heating.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An electric heater comprising a support frame (1), characterized in that, The bottom of the support frame (1) is fixedly connected with a lower hollow cylinder (2), the inner wall of the lower hollow cylinder (2) is fixedly connected with a mounting frame (3), the top of the mounting frame (3) is fixedly connected with a plurality of heating pipes (4), the bottom end of the lower hollow cylinder (2) is fixedly connected with a bottom plate (5), the bottom of the bottom plate (5) is fixedly connected with a plurality of ground wheels (6), the top inner wall of the support frame (1) is rotatably connected with a rotating column (8), the bottom end of the rotating column (8) is fixedly connected with a connecting disc (9), the bottom of the connecting disc (9) is fixedly connected with a connecting plate (10), one side of the connecting plate (10) is provided with a closing assembly (7), the closing assembly (7) comprises a fixed arc plate (701), the fixed arc plate (701) is fixed between the top inner wall and the bottom inner wall of the support frame (1), one side of the connecting plate (10) is fixedly connected with a connecting arc plate (702), a plurality of sliding arc plates (703) are arranged between the connecting arc plate (702) and the fixed arc plate (701), a plurality of protrusions (704) are integrally formed on the outer surface of the sliding arc plate (703), the inner surfaces of the fixed arc plate (701) and the sliding arc plate (703) are provided with guide grooves (705), and the protrusions (704) slide in the guide grooves (705).

2. The electric heater according to claim 1, wherein The top end of the rotating column (8) is key-connected with a worm wheel (11), the top of the support frame (1) is transversely rotatably connected with a worm (12), the worm (12) is engaged with the worm wheel (11), and one end of the worm (12) is fixedly connected with a knob.

3. The electric heater according to claim 1, wherein The top inner wall and the bottom inner wall of the support frame (1) are fixedly connected with a limiting plate (13), and the limiting plate (13) is in contact with the fixed arc plate (701).

4. The electric heater according to claim 1, wherein The top of the bottom plate (5) is fixedly connected with a blowing fan (14), and the blowing fan (14) is located in the lower hollow cylinder (2).

5. The electric heater according to claim 1, wherein A plurality of connecting ribs (15) are fixedly connected between the bottom of the support frame (1) and the bottom plate (5).

6. The electric heater according to claim 1, wherein The bottom inner wall of the support frame (1) is fixedly connected with an upper hollow cylinder (16), and the upper hollow cylinder (16) covers the outer side of the heating pipe (4).

7. The electric heater according to claim 1, wherein The top of the support frame (1) is rotatably connected with a handle (17), a plurality of guide rings (18) are fixedly connected between the circumferential inner wall of the support frame (1), and the sliding arc plate (703) slides on the guide ring (18). The bottom of the support frame (1) is fixedly connected with a lower hollow cylinder (2), the inner wall of the lower hollow cylinder (2) is fixedly connected with a mounting frame (3), the top of the mounting frame (3) is fixedly connected with a plurality of heating pipes (4), the bottom end of the lower hollow cylinder (2) is fixedly connected with a bottom plate (5), the bottom of the bottom plate (5) is fixedly connected with a plurality of ground wheels (6), the top inner wall of the support frame (1) is rotatably connected with a rotating column (8), the bottom end of the rotating column (8) is fixedly connected with a connecting disc (9), the bottom of the connecting disc (9) is fixedly connected with a connecting plate (10), one side of the connecting plate (10) is provided with a closing assembly (7), the closing assembly (7) comprises a fixed arc plate (701), the fixed arc plate (701) is fixed between the top inner wall and the bottom inner wall of the support frame (1), one side of the connecting plate (10) is fixedly connected with a connecting arc plate (702), a plurality of sliding arc plates (703) are arranged between the connecting arc plate (702) and the fixed arc plate (701), a plurality of protrusions (704) are integrally formed on the outer surface of the sliding arc plate (703), the inner surfaces of the fixed arc plate (701) and the sliding arc plate (703) are provided with guide grooves (705), and the protrusions (704) slide in the guide grooves (705).

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