Small-space heater

Abstract

The utility model discloses a small-space heater, which relates to the technical field of fan heaters and comprises a shell, four positioning short strips are protruded on the periphery of the front surface of the shell, and the shell is clamped and fixed with an installation object through the positioning short strips. According to the small-space heater, the positioning short strips protrude out of the periphery of the front face of the shell and used for being clamped and fixed to an installation object, the buckle long strips extend out of the back face of the outer edge of the shell and used for fixing the shell and the cooling fan, screws for fixing the shell and the cooling fan are omitted, and the small-space heater is efficient and rapid; the two protruding clamping points are arranged on the inner wall of the shell and used for fixing the PTC ceramic heating body, the sliding problem is solved, the passive quantity switch is attached to the side face of the PTC ceramic heating body, when the temperature reaches the set highest problem, the PTC ceramic heating body stops heating, the situation that the temperature is too high and is out of control, and fire disasters are caused is avoided, the air outlet of the shell is provided with the rotating adjusting cover, and the rotating adjusting cover is convenient to adjust. And the rotary adjusting cover is clamped and matched with the mounting hole through the connecting column, the air outlet amount is adjusted by rotating the rotary adjusting cover, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of fan heaters, in particular to a small space heater. Background Art

[0002] A small space heater is a heating device that uses a fan behind the heater to send air. The heating body composed of a PTC ceramic heating element at the front of the heater is energized to generate heat, which heats the cold air sent by the fan.

[0003] Existing heaters use resistance wire for heating, which has low thermal efficiency and requires a fixing mechanism to fix the PTC ceramic heating element. If the fixing mechanism and the fan do not cooperate well, there is a risk of sliding. Therefore, the PTC ceramic heating element and the cooling fan need to be fixed with screws, which is time-consuming and labor-intensive, and lacks temperature control function and air volume control, making it not very practical.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a small space heater is proposed. Utility Model Content

[0005] The purpose of the present utility model is to provide a small space heater to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a small space heater, comprising a shell, four positioning short strips protruding from the front of the shell, and the shell is fixed to the installation object through the positioning short strips, eight snap-on long strips extending from the back of the outer edge of the shell, and the shell is fixed to the cooling fan through the snap-on long strips.

[0007] Furthermore, a PTC ceramic heating element is fixed inside the shell cavity through protruding card points, and a passive quantity switch is attached to the side of the PTC ceramic heating element.

[0008] Furthermore, ear plates are integrally fixed on both sides of the shell, and screw holes for fixing with screws to the installation object are opened in the middle of the ear plates.

[0009] Furthermore, a hollow air outlet is provided in the middle of the shell, and a mounting hole is provided through the middle of the shell along the axial direction.

[0010] Furthermore, a rotation adjustment cover is installed on the front side of the shell, and the rotation adjustment cover is snap-fitted with the mounting hole through a connecting column.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. When the utility model is in use, short positioning strips protrude from the front of the shell for clamping and fixing with the installation object, and a long clip strip extends from the back of the outer edge of the shell to fix the shell and the cooling fan, eliminating the need for screws to fix the shell and the cooling fan, which is efficient and fast. The present application provides two protruding card points on the inner wall of the shell to fix the PTC ceramic heating element, solving the sliding problem, and a passive quantity switch is attached to the side of the PTC ceramic heating element. When the temperature reaches the set maximum problem, the PTC ceramic heating element stops heating to avoid thermal runaway due to excessive temperature and fire. The air outlet of the shell is provided with a rotating adjustment cover, which is clamped with the mounting hole through a connecting column. The air outlet is adjusted by rotating the rotating adjustment cover, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall front structure of the device of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall back structure of the device of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall explosion structure of the device of the utility model.

[0016] In the figure: 1. Shell; 2. Short positioning strip; 3. Long snap-on strip; 4. PTC ceramic heating element; 5. Passive quantity switch; 6. Ear plate; 7. Screw hole; 8. Air outlet; 9. Mounting hole; 10. Rotating adjustment cover; 11. Connecting column; 12. Cooling fan. DETAILED DESCRIPTION

[0017] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] like Figures 1 to 3As shown, a small space heater includes a shell 1, four positioning short strips 2 protruding from the front of the shell 1, and the shell 1 is fixed to the installation object by the positioning short strips 2, eight snap-on long strips 3 are extended from the back of the outer edge of the shell 1, and the shell 1 is fixed to the cooling fan 12 by the snap-on long strips 3, positioning short strips 2 protruding from the front of the shell 1 are used to be snap-on and fixed to the installation object, and snap-on long strips 3 are extended from the back of the outer edge of the shell 1 to fix the shell 1 and the cooling fan 12, eliminating the need for screws to fix the shell 1 and the cooling fan 12, which is efficient and fast, a PTC ceramic heating element 4 is fixed inside the cavity of the shell 1 by protruding card points, and a passive quantity switch 5 is attached to the side of the PTC ceramic heating element 4, and the present application is provided with two protruding card points on the inner wall of the shell 1 for fixing the PTC ceramic heating element 4 , solve the sliding problem, and a passive quantity switch 5 is affixed to the side of the PTC ceramic heating element 4. When the temperature reaches the set maximum problem, the PTC ceramic heating element 4 stops heating to avoid thermal runaway due to excessive temperature and fire. Ear plates 6 are integrally fixed on both sides of the shell 1, and a screw hole 7 for fixing with screws to the installation object is opened in the middle of the ear plate 6. A hollow structure air outlet 8 is opened in the middle of the shell 1, and a mounting hole 9 is opened axially through the middle of the shell 1. A rotating adjustment cover 10 is installed on the front of the shell 1, and the rotating adjustment cover 10 is snap-fitted with the mounting hole 9 through the connecting column 11. The air outlet 8 of the shell 1 is provided with a rotating adjustment cover 10, and the rotating adjustment cover 10 is snap-fitted with the mounting hole 9 through the connecting column 11. The air outlet 8 of the shell 1 is adjusted by rotating the rotating adjustment cover 10, which is more practical.

[0019] Working principle: When using this small space heater, short positioning strips 2 protrude from the front of the shell 1 for snapping and fixing with the installation object, and a long snap strip 3 extends from the back of the outer edge of the shell 1 to fix the shell 1 and the cooling fan 12, eliminating the need for screws to fix the shell 1 and the cooling fan 12, which is efficient and fast. The present application provides two protruding card points on the inner wall of the shell 1 for fixing the PTC ceramic heating element 4 to solve the sliding problem, and a passive quantity switch 5 is affixed to the side of the PTC ceramic heating element 4. When the temperature reaches the set maximum, the PTC ceramic heating element 4 stops heating to avoid thermal runaway due to excessive temperature and fire. The air outlet 8 of the shell 1 is provided with a rotating adjustment cover 10, which is snapped into place with the mounting hole 9 through a connecting column 11. The air outlet is adjusted by rotating the rotating adjustment cover 10, which is more practical.

[0020] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A small space heater comprising a housing (1), characterized in that Four positioning short strips (2) protrude from the front of the shell (1), and the shell (1) is fixed to the installation object by the positioning short strips (2). Eight snap-fitting strips (3) extend from the back of the outer edge of the shell (1), and the shell (1) is fixed to the cooling fan (12) by the snap-fitting strips (3).

2. A small space heater according to claim 1, characterized in that: A PTC ceramic heating element (4) is fixed inside the cavity of the housing (1) via protruding clamping points, and a passive quantity switch (5) is attached to the side of the PTC ceramic heating element (4).

3. A small space heater according to claim 2, characterized in that: Ear plates (6) are integrally fixed to both sides of the housing (1), and screw holes (7) for fixing with screws to the mounting object are provided in the middle of the ear plates (6).

4. A small space heater according to claim 3, characterized in that: An air outlet (8) with a hollow structure is provided in the middle of the shell (1), and a mounting hole (9) is provided axially through the middle of the shell (1).

5. A small space heater according to claim 4, characterized in that: A rotation adjustment cover (10) is installed on the front of the housing (1), and the rotation adjustment cover (10) is snap-fitted with the mounting hole (9) via a connecting column (11).

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