Ceramic heating core convenient to install and position

Abstract

The utility model discloses a ceramic heating core convenient to install and position, which relates to the technical field of heating core installation appliances and comprises a fixing block, a heating core column is arranged at the lower end of the fixing block, an installation sleeve is arranged on the outer side of the heating core column, and a connecting column is sleeved in the middle of the fixing block and the heating core column. The top surface of the fixing block is equidistantly provided with three wire connecting columns used for connecting wires, and through the arrangement of the fixing block, the heating core column can be better installed and positioned; and four limiting convex blocks are arranged on the top surface of the mounting sleeve at equal intervals, limiting clamping grooves used for rotationally clamping the limiting convex blocks are formed in the bottom surface of the fixing block, and through arrangement of the limiting convex blocks and the limiting clamping grooves, the fixing block can be better limited, and subsequent rotary clamping of the fixing block is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of heating core installation tools, in particular to a ceramic heating core which is easy to install and position. Background Art

[0002] A hot air gun is a tool that mainly uses the hot air blown out by the gun core of a heating resistor to weld and remove components; the ceramic heating core is the most important component of a hot air gun. The ceramic heating core is powered by a power supply and generates heat under the control of the hot air gun circuit board, providing heat energy for the hot air gun.

[0003] Existing ceramic heating cores are mostly fixed and connected by bolts. The compression and fixing connection of the bolts has high requirements on the size of the pre-tightening force. Excessive pre-tightening will cause the bolts to over-tighten the heating core and cause damage to the heating core. If the pre-tightening force is too small, the connecting bolts will easily become loose due to vibration. Therefore, the present application designs a ceramic heating core that is easy to install and position to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a ceramic heating core which is easy to install and position.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ceramic heating core that is easy to install and position, including a fixed block, a heating core column is provided at the lower end of the fixed block, a mounting sleeve is provided on the outer side of the heating core column, a connecting column is sleeved between the fixed block and the middle part of the heating core column, and three connecting columns for connecting wires are equidistantly provided on the top surface of the fixed block.

[0006] Preferably, four limiting protrusions are equidistantly arranged on the top surface of the installation sleeve, and a limiting groove for rotatably engaging the limiting protrusions is provided on the bottom surface of the fixing block.

[0007] Preferably, four L-shaped rotating blocks are equidistantly protruded from the bottom surface of the fixing block, and a mounting groove for engaging with the rotating blocks is formed on the top surface of the mounting sleeve.

[0008] Preferably, a locking limit block for pressing the rotating clamping block is provided in the installation groove, and a lifting spring is provided at the side end of the locking limit block.

[0009] Preferably, a thread groove is formed on the top surface of the connecting column, and a clamping bolt is threadedly connected in the thread groove.

[0010] Preferably, a first rubber pad is sleeved on the lower end of the connecting column, and a second rubber pad is sleeved on the clamping bolt.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, through the setting of the fixing block, the heating core column can be better installed and positioned, through the setting of the limiting protrusion and the limiting slot, the fixing block can be better limited, which is convenient for the subsequent rotation and clamping of the fixing block, through the setting of the rotating clamp block and the installation slot, the heating core column and the fixed block can be better fixed, through the setting of the lifting spring and the locking limit block, the locking limit block can be automatically ejected, thereby pressing and fixing the rotating clamp block to enhance the connection stability of the fixed block, through the setting of the clamping bolt and the connecting column, the fixing block and the heating core column can be better fixed and connected, through the setting of the first rubber pad and the second rubber pad, the fixing block and the heating core column can be better clamped, and the situation of over-tightening of the clamping bolt and the connecting column to damage the fixed block and the heating core column is avoided, and the connection stability of the clamping bolt and the connecting column is enhanced, and the connection between the clamping bolt and the connecting column due to vibration is avoided. Loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the overall three-dimensional structure without fixed blocks proposed by the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation sleeve proposed by the utility model;

[0016] Figure 4 This is a top view of the three-dimensional structure of the fixing block proposed by the utility model;

[0017] Figure 5 This is a bottom-up three-dimensional structural schematic diagram of the fixing block proposed by the utility model;

[0018] Figure 6 This is a schematic diagram of the three-dimensional structure of the connecting column proposed by the utility model.

[0019] Serial numbers in the figure: 1. Installation sleeve; 2. Fixing block; 3. Connecting column; 4. Heating core column; 5. Limiting protrusion; 6. Installation slot; 7. Locking limit block; 8. Connecting column; 9. Rotating block; 10. Lifting spring; 11. Limiting slot; 12. First rubber pad; 13. Clamping bolt; 14. Second rubber pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example: See Figure 1-6 , a ceramic heating core that is easy to install and position in the utility model comprises a fixing block 2, a heating core column 4 is provided at the lower end of the fixing block 2, a mounting sleeve 1 is provided on the outer side of the heating core column 4, a connecting column 3 is sleeved on the middle part of the fixing block 2 and the heating core column 4, and three connecting columns 8 for connecting wires are equidistantly provided on the top surface of the fixing block 2. Through the setting of the fixing block 2, the heating core column 4 can be better installed and positioned; four limiting protrusions 5 are equidistantly provided on the top surface of the mounting sleeve 1, and a limiting card slot 11 for rotating and clamping the limiting protrusion 5 is provided on the bottom surface of the fixing block 2. Through the setting of the limiting protrusion 5 and the limiting card slot 11, the fixing block 2 can be better limited, which is convenient for the subsequent rotation and clamping of the fixing block 2; four L-shaped rotating clamping blocks 9 are equidistantly provided on the bottom surface of the fixing block 2, and a mounting groove 6 for clamping and matching the rotating clamping block 9 is provided on the top surface of the mounting sleeve 1. Through the setting of the rotating clamping block 9 and the mounting groove 6, the heating core column 4 and the fixing block 2 can be better fixed.

[0022] In the utility model, a locking limit block 7 for pressing the rotating block 9 is provided in the installation groove 6, and a lifting spring 10 is provided at the side end of the locking limit block 7. Through the setting of the lifting spring 10 and the locking limit block 7, the locking limit block 7 can be automatically ejected better, thereby pressing and fixing the rotating block 9 to enhance the connection stability of the fixed block 2; a threaded groove is provided on the top surface of the connecting column 3, and a clamping bolt 13 is threadedly connected in the threaded groove. Through the setting of the clamping bolt 13 and the connecting column 3, the connection can be better fixed. The fixing block 2 and the heating core column 4; the lower end of the connecting column 3 is sleeved with a first rubber pad 12, and the clamping bolt 13 is sleeved with a second rubber pad 14. Through the arrangement of the first rubber pad 12 and the second rubber pad 14, the fixing block 2 and the heating core column 4 can be better clamped, and the clamping bolt 13 and the connecting column 3 are prevented from being over-tightened and damaging the fixing block 2 and the heating core column 4, and the connection stability of the clamping bolt 13 and the connecting column 3 is enhanced, and the connection between the clamping bolt 13 and the connecting column 3 is prevented from being loosened due to vibration.

[0023] Working principle: When the utility model is used, firstly, the first rubber pad 12 is sleeved on the connecting column 3, and then the heating core column 4 and the fixing block 2 are sleeved on the connecting column 3 in sequence, and then the clamping bolt 13 with the second rubber pad 14 is threadedly connected to the upper part of the connecting column 3, and then the limiting protrusion 5 is engaged with the limiting slot 11 for limiting, and the rotating block 9 is inserted into the mounting slot 6, and then the locking limiting block 7 in the mounting slot 6 automatically presses the rotating block 9 under the action of the lifting spring 10, so that the rotating block 9 is deflected and engaged in the mounting slot 6, and when disassembling, the fixing block 2 is rotated so that the rotating block 9 pushes away the locking limiting block 7, and then the mounting sleeve 1 is pulled out, and the installation and disassembly of the ceramic heating core is completed.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A ceramic heating element that is easy to install and position, comprising a fixing block (2), characterized in that: A heating core column (4) is provided at the lower end of the fixing block (2), a mounting sleeve (1) is provided on the outer side of the heating core column (4), a connecting column (3) is sleeved between the fixing block (2) and the middle part of the heating core column (4), and three connecting columns (8) for connecting wires are equidistantly provided on the top surface of the fixing block (2).

2. A ceramic heating core that is easy to install and position according to claim 1, characterized in that: Four limiting protrusions (5) are equidistantly arranged on the top surface of the installation sleeve (1), and a limiting slot (11) for rotatably engaging the limiting protrusions (5) is provided on the bottom surface of the fixing block (2).

3. A ceramic heating core that is easy to install and position according to claim 2, characterized in that: Four L-shaped rotating clamping blocks (9) are equidistantly protruded from the bottom surface of the fixed block (2), and a mounting groove (6) for clamping and engaging the rotating clamping blocks (9) is provided on the top surface of the mounting sleeve (1).

4. A ceramic heating core that is easy to install and position according to claim 3, characterized in that: A locking limit block (7) for pressing the rotating clamping block (9) is provided in the installation groove (6), and a lifting spring (10) is provided at the side end of the locking limit block (7).

5. A ceramic heating core that is easy to install and position according to claim 4, characterized in that: A thread groove is provided on the top surface of the connecting column (3), and a clamping bolt (13) is threadedly connected in the thread groove.

6. A ceramic heating core that is easy to install and position according to claim 5, characterized in that: The lower end of the connecting column (3) is sleeved with a first rubber pad (12), and the clamping bolt (13) is sleeved with a second rubber pad (14).

Images