Convenient and fast-assembly type PTC electric heater

Abstract

The utility model relates to the technical field of heating equipment, in particular to a convenient and fast-assembly type PTC electric heater. The utility model provides a convenient and fast-assembly type PTC electric heater with a better damping effect, which comprises a shell which is an installation carrier of parts. The heating element is arranged at the upper part in the shell; the capacitor plate is arranged at the lower part in the shell; the heating element is electrically connected with the capacitor plate; the number of the wire harness connecting pipes is six, and the wire harness connecting pipes are all communicated with the shell; and the connecting plates are connected to the shell in a bilateral symmetry manner. The mounting plate is fixed on the heating equipment through the bolt in a threaded connection mode, the elastic piece and the shell are placed in sequence, the threaded clamping rod is matched with the clamping groove in the sliding block to fix the shell, convenient mounting is achieved, the height of the shell can be adjusted through matching of the threaded clamping rod and the clamping groove in the sliding block, and the mounting efficiency is improved. The sliding block, the mounting plate and the elastic piece can reduce the shaking amplitude of the electric heater in use.

Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to a convenient quick-install PTC electric heater. Background Art

[0002] PTC heating element, also known as PTC heater, is composed of PTC ceramic heating element and aluminum tube. This type of PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and energy-saving electric heater. It is used in air conditioners, hot air curtains, dehumidifiers, dryers, clothes dryers, heaters, bathroom heaters, automobiles and other equipment that need to provide warm air.

[0003] Most existing PTC electric heaters are installed by fixing with screws, which makes the disassembly process also cumbersome. In addition, the PTC electric heater is easily impacted by oscillation force when used on the equipment. Long-term oscillation may damage the internal parts of the PTC electric heater, affecting the use effect. In addition, the connecting wire harness of the PTC electric heater is easily pulled off by external force during use, resulting in short circuit, which reduces the service life.

[0004] In summary, there is an urgent need for a convenient quick-install PTC electric heater with good shock absorption effect to solve the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of complicated installation and disassembly steps and damage to internal parts of the PTC electric heater caused by long-term vibration, the technical problem to be solved by the utility model is to provide a convenient quick-install PTC electric heater with good shock absorption effect.

[0006] A convenient quick-install PTC electric heater, comprising a shell, which is a mounting carrier for parts; a heating element, which is mounted on the upper inner part of the shell; a capacitor plate, which is mounted on the lower inner part of the shell; the heating element is electrically connected to the capacitor plate; a wiring harness connecting tube, the number of which is set to six, all of which are connected to the shell; a connecting plate, which is symmetrically connected to the shell; a fixing rod, which is symmetrically connected to the connecting plate front and back, and the fixing rod is symmetrically provided with four slots up and down; a slider, which is symmetrically and removably provided on the fixing rod up and down, and the slider is provided with a threaded hole; a mounting plate, which is connected to the slider; an elastic member, which is symmetrically wound around the fixing rod up and down, and the two ends of the elastic member are respectively connected to the connecting plate and the slider; a threaded clamping rod, which is detachably threaded and connected to the threaded hole on the slider.

[0007] Preferably, it also includes a connecting block, a damping block and a wire management partition, which are connected to the outer shell, and the connecting block is connected to the wiring harness connecting tube; the damping block is evenly spaced and connected to the inner circle of the connecting block; the wire management partition is connected to the lower side of the outer shell.

[0008] Preferably, the threaded clamping rod is provided with anti-slip grooves.

[0009] Preferably, the wire management partition has more than 4 placement openings.

[0010] Preferably, the mounting plate on the slider at the upper portion of the fixing rod is in a straight line shape, and the mounting plate on the slider at the lower portion of the fixing rod is in an L shape.

[0011] Preferably, three arc-shaped grooves are formed at the lower parts of the left and right sides of the shell.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model fixes the mounting plate on the heating device by means of threaded connection of bolts, places the elastic member and the shell in sequence, and the threaded clamping rod cooperates with the clamping groove on the slider to fix the shell, thereby achieving convenient installation. Moreover, the height of the shell can be adjusted by the cooperation of the threaded clamping rod and the clamping groove on the slider. The slider, the mounting plate and the elastic member can reduce the shaking amplitude of the electric heater when it is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 This is a schematic diagram of the first partial structure of the utility model.

[0016] Figure 3 This is a schematic diagram of the second partial structure of the utility model.

[0017] Figure 4 This is a schematic diagram of the third partial structure of the utility model.

[0018] Figure 5 This is a first partial cross-sectional view of the utility model.

[0019] Figure 6 This is a schematic diagram of the fourth partial structure of the utility model.

[0020] Figure 7 It is an enlarged view of point A of the present utility model.

[0021] Figure 8 This is a second partial cross-sectional view of the utility model.

[0022] In the above figures: 1, housing, 2, heating element, 3, capacitor plate, 4, wiring harness connecting tube, 5, connecting plate, 6, fixing rod, 7, slot, 8, slider, 9, mounting plate, 10, elastic member, 11, threaded clamping rod, 12, connecting block, 13, damping block, 14, wire management partition. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with specific embodiments. It should also be noted that, unless otherwise clearly specified and limited, terms such as: setting, installing, connecting, and connecting should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment: A convenient quick-install PTC electric heater, such as Figure 1-Figure 6 As shown, it includes a shell 1, a heating element 2, a capacitor plate 3, a wiring harness connecting tube 4, a connecting plate 5, a fixing rod 6, a slider 8, a mounting plate 9, an elastic member 10 and a threaded clamping rod 11. The shell 1 is a mounting carrier for the parts. The lower parts of the left and right sides of the shell 1 are each provided with three arc grooves. The upper part of the shell 1 is provided with a heating element 2, the lower part of the shell 1 is provided with a capacitor plate 3, the heating element 2 is electrically connected to the capacitor plate 3, six wiring harness connecting tubes 4 are connected to the shell 1, the connecting plate 5 is welded symmetrically on the left and right sides of the shell 1, and the fixing rod 6 is welded symmetrically on the front and back sides of the connecting plate 5, and the fixing rod 6 is symmetrically opened up and down. The fixing rod 6 is provided with a sliding block 8 symmetrically removably disposed up and down, a threaded hole is provided on the sliding block 8, a mounting plate 9 is welded on the sliding block 8, the mounting plate 9 on the upper sliding block 8 of the fixing rod 6 is in a straight shape, and the mounting plate 9 on the lower sliding block 8 of the fixing rod 6 is in an L shape. The fixing rod 6 is symmetrically wrapped with an elastic member 10 up and down, and the two ends of the elastic member 10 are respectively connected to the connecting plate 5 and the sliding block 8. The sliding block 8 is detachably threadedly connected with a threaded clamping rod 11 with a threaded hole, and the threaded clamping rod 11 is provided with anti-slip grooves. The sliding block 8, the mounting plate 9 and the elastic member 10 can realize the installation of the housing 1 and reduce the shaking amplitude of the housing 1 when it is used.

[0025] First, the mounting plate 9 and the slider 8 are placed in the heating device, and the mounting plate 9 is fixed in the heating device by a tool through a threaded connection of the bolts, and the slider 8 is indirectly fixed. The elastic member 10 is placed on the slider 8, and the housing 1 is moved to drive the heating element 2, the capacitor plate 3, the connecting plate 5 and the fixing rod 6 to shift. When the fixing rod 6 is shifted above the slider 8, the housing 1 is moved downward to drive the fixing rod 6 into the inner circle of the slider 8 and the elastic member 10. Then, the end of the threaded clamping rod 11 is inserted into the clamping groove 7 of a suitable height on the slider 8 and rotated to fix the housing 1, and the height of the housing 1 can be adjusted by the threaded clamping rod 11 and the clamping groove 7 on the slider 8. The slider 8, the mounting plate 9 and the elastic member 10 can reduce the shaking amplitude of the electric heater when in use. The above operation can realize convenient installation of the housing 1. If the housing 1 needs to be more stable, the remaining elastic members 10 are placed on the housing 1 according to the above operation, and the slider 8 and the mounting plate 9 are covered with the upper end of the fixing rod 6. Then, the mounting plate 9 is installed to the inner side wall of the heating device according to the above content.

[0026] like Figure 7-Figure 8 As shown, it also includes a connecting block 12, a damping block 13 and a wire management partition 14. The connecting block 12 is welded on the outer shell 1, and the connecting block 12 is connected to the wire harness connecting tube 4. The damping blocks 13 are evenly spaced and connected to the inner circle of the connecting block 12. The wire management partition 14 is welded on the lower side of the outer shell 1. More than 4 placement openings are opened on the wire management partition 14. The damping block 13 is used to clamp and fix the connecting wires, and the wire management partition 14 is used to place the connecting wires so that the staff can organize them.

[0027] The staff can place the connecting wires in the wire management partition 14 to prevent sparks from being generated between the connecting wires. The connecting wire harness is easily pulled off and disconnected when in use by external force. The damping block 13 can clamp and fix the connecting wires to reduce losses.

[0028] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. A convenient quick-install PTC electric heater, comprising: The housing (1) is a mounting carrier for the parts; A heating element (2) is installed in the upper part of the housing (1); A capacitor plate (3) is installed in the lower part of the housing (1); The heating element (2) is electrically connected to the capacitor plate (3); A wiring harness connecting tube (4), the number of which is set to be six and all connected to the housing (1); Its characteristics are: Also included are: A connecting plate (5) connected to the housing (1) in a bilaterally symmetrical manner; A fixing rod (6) is connected to the connecting plate (5) in a front-to-back symmetrical manner, and the fixing rod (6) is provided with four slots (7) in a top-to-bottom symmetrical manner; A slider (8) is detachably mounted on the fixing rod (6) in an upper and lower symmetrical manner, and a threaded hole is formed on the slider (8); A mounting plate (9) connected to the slider (8), the mounting plate (9) being used to mount the housing (1); An elastic member (10) is symmetrically wound around the fixing rod (6) in an upper and lower manner, and two ends of the elastic member (10) are respectively connected to the connecting plate (5) and the sliding block (8); A threaded clamping rod (11) is detachably threadedly connected to a threaded hole on the slider (8), and the threaded clamping rod (11) is used to fix the housing (1).

2. A convenient quick-install PTC electric heater according to claim 1, characterized in that: Also included are: A connection block (12) connected to the housing (1), the connection block (12) being in communication with the wiring harness connection tube (4); Damping blocks (13) are evenly spaced and connected to the inner circle of the connecting block (12), and the damping blocks (13) are used to fix the connecting wires; A wire management partition (14) is connected to the lower side of the housing (1), and the wire management partition (14) is used to place connecting wires.

3. A convenient quick-install PTC electric heater according to claim 2, characterized in that: The threaded clamping rod (11) is provided with anti-slip grooves.

4. A convenient quick-install PTC electric heater according to claim 3, characterized in that: The wire management partition (14) is provided with more than four placement openings.

5. A convenient quick-install PTC electric heater according to claim 4, characterized in that: The mounting plate (9) on the slider (8) at the upper part of the fixing rod (6) is in a straight line shape, and the mounting plate (9) on the slider (8) at the lower part of the fixing rod (6) is in an L shape.

6. A convenient quick-install PTC electric heater according to claim 5, characterized in that: The lower parts of the left and right sides of the housing (1) are each provided with three arc-shaped grooves.

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