Screwing-free quick assembly support and electric heater

Abstract

The utility model relates to a quick assembly support without screwing and an electric heater. The quick assembly support comprises a fixed seat and a fixed plate, the fixing seat comprises a top plate, a bottom plate and a side plate, the bottom plate of the top plate is arranged on one side of the side plate in parallel, the top plate, the bottom plate and the side plate are integrally formed, and a mounting groove is formed among the top plate, the bottom plate and the side plate; a plurality of first toothed plates are arranged on the surface of one side, close to the mounting notch, of the side plate; the fixing plate is detachably connected with a port of the mounting groove, a plurality of second toothed plates are arranged on the surface of the side, close to the mounting groove, of the fixing plate, the first toothed plate is arranged on the side close to the top plate, and the second toothed plates are arranged on the side close to the bottom plate. The support does not need to be connected and fixed through a screw, reworking and even scrapping of the support caused by screw loosening are avoided, the working time for screwing the screw is saved, and the installation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of PTC air conditioner electric heater technology, and in particular to a screwless quick-assembly bracket and electric heater. Background Technology

[0002] PTC ceramic electric heaters for air conditioning are high-efficiency heating devices based on PTC ceramic materials. Their working principle is based on the PTC effect, or positive temperature coefficient effect. When energized, the resistance of the PTC ceramic material increases with rising temperature, thus controlling the heating process. This automatic temperature control characteristic enables PTC ceramic electric heaters to achieve rapid and uniform heating in air conditioning systems.

[0003] In existing technologies, the head and tail brackets of PTC ceramic electric heaters for air conditioners need to be fixed by screws or adhesive. Adhesive requires a 24-hour natural curing time, which is a long fixing time; while screw fixing is time-consuming and labor-intensive, and often results in the bracket being reworked or even scrapped due to stripped screws. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to overcome the time-consuming and labor-intensive defects of the fixed structure of PTC ceramic electric heaters in the prior art.

[0005] To solve the above-mentioned technical problems, this utility model provides a screwless quick assembly bracket, including: a fixing base and a fixing plate;

[0006] The fixing base includes a top plate, a bottom plate, and a side plate. The bottom plate of the top plate is arranged parallel to one side of the side plate. The top plate, bottom plate, and side plate are integrally formed, and a mounting groove is formed between the top plate, bottom plate, and side plate. A plurality of first toothed plates are provided on the surface of the side plate near the mounting groove.

[0007] The fixing plate is detachably connected to the port of the mounting groove, and the surface of the fixing plate near the mounting groove is provided with a plurality of second toothed plates, the first toothed plate being provided near the top plate and the second toothed plates being provided near the bottom plate.

[0008] In one embodiment of this utility model, both the top plate and the bottom plate are provided with fixing holes, and the surface of the side plate near the mounting groove is provided with a buckle that cooperates with the fixing hole.

[0009] In one embodiment of this utility model, a limiting stage is provided at one end of the mounting groove along the length direction.

[0010] In one embodiment of the present invention, the end of the first toothed plate away from the side plate and the end of the second toothed plate away from the fixed plate are both provided with a taper.

[0011] In one embodiment of this utility model, a thermostat and a temperature fuse are provided on the side of the side plate away from the electric heater, and a fixing groove that cooperates with the thermostat and the temperature fuse is formed on the surface of the side plate.

[0012] An electric heater, suitable for the aforementioned screwless quick-assembly bracket, includes: a fixing tube, a first heat dissipation plate, and a second heat dissipation plate. The first and second heat dissipation plates are symmetrically arranged on both sides of the fixing tube. The first heat dissipation plate is folded back and forth along the axial direction to form a plurality of first heat dissipation cavities, and the second heat dissipation plate is folded back and forth along the axial direction to form a plurality of second heat dissipation cavities. One end of the fixing tube, the first heat dissipation plate, and the second heat dissipation plate is disposed in the mounting groove of the fixing seat, and the first toothed plate passes through the first heat dissipation cavity, and the second toothed plate passes through the second heat dissipation cavity.

[0013] In one embodiment of this utility model, two electrodes are arranged along the axis on both sides of the inner wall of the fixed tube, and one end of the electrode abuts against the fixed seat.

[0014] In one embodiment of this utility model, a separation block is provided on the fixing base, and the two electrodes are attached to both sides of the separation block.

[0015] In one embodiment of this utility model, the first heat sink and the second heat sink are respectively disposed in close contact with the inner wall of the fixing seat.

[0016] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art:

[0017] This utility model discloses a screwless, quick-assembly bracket and electric heater. The bracket structure utilizes a first toothed plate and a second toothed plate on the surfaces of a fixed base and a fixed plate. These teethed plates respectively engage with a first heat dissipation cavity and a second heat dissipation cavity to secure the electric heat sink. This utility model eliminates the need for screw connections, avoiding rework or even scrapping of the bracket due to stripped threads, saving time spent on screw driving, and improving installation efficiency. Attached Figure Description

[0018] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the fixing seat in Embodiment 1 of this utility model;

[0021] Figure 3This is a schematic diagram of the surface structure of the fixing seat in Embodiment 1 of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the fixing plate in Embodiment 1 of this utility model;

[0023] Figure 5 This is a partial structural schematic diagram of the electric heater in Embodiment 2 of this utility model;

[0024] Explanation of reference numerals in the accompanying drawings: 1. Fixing base; 2. Fixing plate; 3. Electric heater; 11. Top plate; 12. Bottom plate; 13. Side plate; 14. Mounting groove; 15. Fixing groove; 16. Thermostat; 17. Temperature fuse; 18. Separating block; 21. Buckle; 22. Second toothed plate; 31. Fixing tube; 32. First heat dissipation plate; 33. Second heat dissipation plate; 34. Electrode; 35. Ceramic sheet; 36. Insulating paper; 111. Fixing port; 131. First toothed plate; 321. First heat dissipation cavity; 331. Second heat dissipation cavity. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention. Example 1

[0026] Reference Figures 1-5 As shown, this utility model discloses a screwless quick-assembly bracket, including: a fixing base 1 and a fixing plate 2;

[0027] The fixing base 1 includes a top plate 11, a bottom plate 12, and a side plate 13. The bottom plate 12 of the top plate 11 is arranged parallel to one side of the side plate 13. The top plate 11, the bottom plate 12, and the side plate 13 are integrally formed, and a mounting groove 14 is formed between the top plate 11, the bottom plate 12, and the side plate 13. A plurality of first toothed plates 131 are provided on the surface of the side plate 13 near the opening of the mounting groove 14.

[0028] The fixing plate 2 is detachably connected to the port of the mounting groove 14, and a plurality of second toothed plates 22 are provided on the surface of the fixing plate 2 near the mounting groove 14. The first toothed plate 131 is provided near the top plate 11, and the second toothed plates 22 are provided near the bottom plate 12.

[0029] The bracket of the electric heater 3 in this utility model includes two parts: a fixed base 1 and a fixed plate 2. The fixed base 1 includes a top plate 11, a bottom plate 12, and a side plate 13. The top plate 11, bottom plate 12, and side plate 13 are integrally formed to form a mounting groove 14, which is used to hold the electric heater 3. Specifically, the side plate 13 of the mounting groove 14 is provided with a plurality of first toothed plates 131. Similarly, the surface of the fixed plate 2 is provided with a plurality of second toothed plates 22. Since the electric heater 3 itself includes a first heat dissipation plate 32 and a second heat dissipation plate 33 symmetrically arranged with the fixed tube 31, the first heat dissipation plate 32 is folded back and forth along the axial direction to form a plurality of first heat dissipation cavities 321, and the second heat dissipation plate 33 is folded back and forth along the axial direction to form a plurality of second heat dissipation cavities 331. In the actual installation process, the entire bracket structure is set at both ends of the electric heater 3. First, the end of the electric heater 3 is inserted into the mounting groove 14, and multiple first toothed plates 131 are inserted into the first heat dissipation cavity 321. Then, the fixing plate 2 is attached to the port of the mounting groove 14, so that the second toothed plate 22 is inserted into the second heat dissipation cavity 331. Finally, the fixing plate 2 is fixedly connected to the port of the mounting groove 14, and the electric heater is stably fixed between the fixing base 1 and the fixing plate 2, completing the installation of the entire electric heater 3 bracket. It should be noted that the first toothed plate 131 and the second toothed plate 22 have different horizontal heights in this utility model. The height of the first toothed plate 131 is flush with the height of the first heat dissipation cavity 321, and the height of the second toothed plate 22 is flush with the height of the second heat dissipation cavity 331. Under the condition of ensuring a stable connection, the contact area between the toothed plate and the heat dissipation cavity is reduced, thus reducing the impact on the heat dissipation effect.

[0030] The bracket structure of this utility model uses a first toothed plate 131 and a second toothed plate 22 on the surfaces of the fixed base 1 and the fixed plate 2, so that the first toothed plate 131 and the second toothed plate 22 respectively cooperate with the first heat dissipation cavity 321 and the second heat dissipation cavity 331 to fix the electric heat sink. This utility model does not require screw connection and fixation, avoiding rework or even scrapping of the bracket due to stripped threads, saving the time of screw driving, and improving installation efficiency.

[0031] Furthermore, both the top plate 11 and the bottom plate 12 are provided with fixing holes 111, and the side plate 13 is provided with a buckle 21 that cooperates with the fixing hole 111 on the surface near the mounting groove 14.

[0032] Specifically, the mounting base 1 and the mounting plate 2 are connected by a snap-fit ​​21, which facilitates the installation and disassembly of the electric radiator, further shortens the installation and disassembly time, and improves the installation and disassembly efficiency.

[0033] Furthermore, a limiting stage is provided at one end of the mounting groove 14 along its length.

[0034] Specifically, the electric heater 3 is fixed in the X, Y, and Z axes by the fixing base 1 and the fixing plate 2. The limiting stage can limit the electric radiator in the length axis direction.

[0035] Furthermore, both the end of the first toothed plate 131 away from the side plate 13 and the end of the second toothed plate 22 away from the fixed plate 2 are provided with a taper.

[0036] Specifically, the taper at the ends of the first toothed plate 131 and the second toothed plate 22 facilitates their insertion into the first heat dissipation cavity 321 and the second heat dissipation cavity 331. It should be noted that the width of the first toothed plate 131 and the second toothed plate 22 near their roots is equal to the width of the first heat dissipation cavity 321 and the second heat dissipation cavity 331, respectively.

[0037] Furthermore, a thermostat 16 and a temperature fuse 17 are provided on the side of the side plate 13 away from the electric heater 3, and a fixing groove 15 is provided on the surface of the side plate 13 to cooperate with the thermostat 16 and the temperature fuse 17.

[0038] Specifically, the fixing groove 15 provided on the fixing base 1 is used to install the thermostat 16 and the temperature fuse 17, which are used to protect the entire electric heater 3 and prevent fire caused by abnormal temperature. Example 2

[0039] Reference Figure 5 As shown, an electric heater 3, applicable to the screwless quick-assembly bracket described in Embodiment 1, includes: a fixing tube 31, a first heat dissipation plate 32, and a second heat dissipation plate 33. The first heat dissipation plate 32 and the second heat dissipation plate 33 are symmetrically arranged on both sides of the fixing tube 31. The first heat dissipation plate 32 is folded back and forth along the axial direction to form a plurality of first heat dissipation cavities 321, and the second heat dissipation plate 33 is folded back and forth along the axial direction to form a plurality of second heat dissipation cavities 331. One end of the fixing tube 31, the first heat dissipation plate 32, and the second heat dissipation plate 33 is disposed in the mounting groove 14 of the fixing seat 1, and the first toothed plate 131 passes through the first heat dissipation cavity 321, and the second toothed plate 22 passes through the second heat dissipation cavity 331.

[0040] Furthermore, two electrodes 34 are arranged along the axis on both sides of the inner wall of the fixing tube 31, and one end of the electrode 34 abuts against the fixing base 1. A separation block 18 is provided on the fixing base 1, and the two electrodes 34 are attached to both sides of the separation block 18.

[0041] Specifically, a ceramic sheet 35 is disposed between the two electrodes 34, leading the electrodes 34 out of the fixing tube 31 to the fixing base 1, and the two electrodes 34 are separated by the separating block 18 to prevent the ends of the two electrodes 34 from contacting each other. Insulating paper 36 is disposed between the two electrodes 34 and the fixing tube 31. In actual operation, the insulating paper 36 is wrapped around the outside of the two electrodes 34 to prevent the electrodes 34 from directly contacting the inner wall of the fixing tube 31.

[0042] Furthermore, the first heat sink 32 and the second heat sink 33 are respectively disposed in close contact with the inner wall of the fixing seat 1.

[0043] In summary, this utility model introduces a screwless, quick-assembly bracket and an electric heater 3. The bracket structure of this utility model uses a first toothed plate 131 and a second toothed plate 22 on the surfaces of the fixing base 1 and the fixing plate 2, respectively, to engage with the first heat dissipation cavity 321 and the second heat dissipation cavity 331 to fix the electric heat sink. This utility model eliminates the need for screw connections, avoiding rework or even scrapping of the bracket due to stripped threads, saving time spent on screw driving, and improving installation efficiency.

[0044] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A screwless, quick-assembly bracket, characterized in that, include: Mounting base and mounting plate; The fixing base includes a top plate, a bottom plate, and a side plate. The bottom plate of the top plate is arranged parallel to one side of the side plate. The top plate, bottom plate, and side plate are integrally formed, and a mounting groove is formed between the top plate, bottom plate, and side plate. A plurality of first toothed plates are provided on the surface of the side plate near the mounting groove. The fixing plate is detachably connected to the port of the mounting groove, and the surface of the fixing plate near the mounting groove is provided with a plurality of second toothed plates, the first toothed plate being provided near the top plate and the second toothed plates being provided near the bottom plate.

2. The screwless quick-assembly bracket according to claim 1, characterized in that: Both the top plate and the bottom plate are provided with fixing holes, and the side plate is provided with a buckle that cooperates with the fixing hole on the surface near the mounting groove.

3. The screwless quick-assembly bracket according to claim 1, characterized in that: A limiting stage is provided at one end of the mounting groove along its length.

4. The screwless quick-assembly bracket according to claim 1, characterized in that: Both the end of the first toothed plate away from the side plate and the end of the second toothed plate away from the fixed plate are tapered.

5. The screwless quick-assembly bracket according to claim 1, characterized in that: A thermostat and a temperature fuse are provided on the side of the side plate away from the electric heater, and a fixing groove is provided on the surface of the side plate to cooperate with the thermostat and the temperature fuse.

6. An electric heater suitable for the screwless quick-assembly bracket as described in any one of claims 1-5, characterized in that, include: A fixed tube, a first heat sink, and a second heat sink are symmetrically arranged on both sides of the fixed tube. The first heat sink is folded back and forth along the axial direction to form multiple first heat sink cavities, and the second heat sink is folded back and forth along the axial direction to form multiple second heat sink cavities. One end of the fixed tube, the first heat sink, and the second heat sink is disposed in the mounting groove of the fixed base, and the first toothed plate passes through the first heat sink cavity, and the second toothed plate passes through the second heat sink cavity.

7. The electric heater according to claim 6, characterized in that: Two electrodes are arranged along the axis on both sides of the inner wall of the fixed tube, and one end of the electrode abuts against the fixed base.

8. The electric heater according to claim 7, characterized in that: A separation block is provided on the fixed base, and the two electrodes are attached to the two sides of the separation block.

9. The electric heater according to claim 6, characterized in that: The first heat sink and the second heat sink are respectively disposed in close contact with the inner wall of the fixed base.

Images