Assembled PTC (Positive Temperature Coefficient) frame

Abstract

The utility model relates to the technical field of PTC heaters, and discloses an assembled PTC frame which comprises a PCT element body, the left end and the right end of the PCT element body are connected with first connecting plates through third limiting blocks, and the front sides and the rear sides of the two first connecting plates are connected with second connecting plates through assembling assemblies. The left ends and the right ends of the two second connecting plates are connected to the front side and the rear side of the first connecting plate through clamping assemblies. According to the PCT frame, the first limiting block, the rotary knob, the rotary shaft, the spring, the second limiting block and the limiting groove are matched with one another, the tenon is installed in the mortise, the first limiting block is rotated into the limiting groove by rotating the rotary knob, and the PCT frame can be assembled, so that the mounting and dismounting processes are simpler and faster; through mutual cooperation of the tenons, the mortises, the first connecting plates, the second connecting plates and the third connecting plates, a user can assemble a plurality of PTC elements at will according to actual use conditions and requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC heaters, in particular to an assembled PTC frame. Background Art

[0002] PTC heater, also known as PTC heater, is composed of PTC ceramic heating elements and aluminum tubes. This type of PTC heater has the advantages of low thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and energy-saving electric heater. Its outstanding feature lies in its safety performance. Under any application conditions, it will not produce the "reddening" phenomenon on the surface of electric heating tube heaters.

[0003] Current PTC heaters usually need to be fixed with bolts when splicing. The use of bolts will affect the convenience of subsequent disassembly and replacement, because the bolts need to be unscrewed one by one during disassembly, which is relatively cumbersome, time-consuming and labor-intensive. Secondly, during splicing, the stability effect of the bolt fixation may not be ideal, which may easily lead to loosening of the splicing parts or even separation, which may affect the operating efficiency and stability of the entire system, and also increase the difficulty of maintenance and repair. In response to this technical problem, this application proposes an assembled PTC frame. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an assembled PTC frame. Through the mutual cooperation of the No. 1 limit block, the twist knob, the rotating shaft, the spring, the No. 2 limit block and the limit groove, the No. 1 connecting plate and the No. 2 connecting plate are first connected, and the No. 1 limit block is rotated into the limit groove by rotating the twist knob, so that the PCT frame can be assembled, thereby making the installation and disassembly process simpler and faster. Through the mutual cooperation of the tenon, the mortise and tenon, the No. 1 connecting plate, the No. 2 connecting plate and the No. 3 connecting plate, the user can freely assemble multiple PTC elements according to actual usage and needs.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an assembled PTC frame, including a PCT element body, wherein the left and right ends of the PCT element body are connected to a No. 1 connecting plate through a No. 3 limit block, the front and rear sides of the two No. 1 connecting plates are connected to a No. 2 connecting plate through an assembly component, and the left and right ends of the two No. 2 connecting plates are connected to the front and rear sides of the No. 1 connecting plate through a snap-fit ​​component.

[0006] Furthermore, the assembly component includes a mortise and tenon located at the left end of the second connecting plate, the inner wall of the mortise and tenon is provided, and the tenon is fixedly connected to the rear end of the left side first connecting plate.

[0007] Furthermore, the assembling component is arranged at the connection between the No. 1 connecting plate and the No. 2 connecting plate.

[0008] Furthermore, the locking assembly includes a No. 1 limit block located on the inner wall of the top end of the No. 1 connecting plate on the left side, the inner wall of the No. 1 limit block is fixedly connected to a rotating shaft, the left side of the outer wall of the rotating shaft is fixedly connected to a turning knob, and a limiting groove is opened on the left side of the top end of the No. 2 connecting plate on the rear side.

[0009] Furthermore, the No. 1 limiting block is arranged inside the limiting groove.

[0010] Furthermore, the locking assembly is arranged at the connection between the first connecting plate and the second connecting plate.

[0011] Furthermore, a spring is fixedly connected to the bottom side of the engaging assembly through a groove, and the other end of the spring is fixedly connected to a No. 2 limiting block.

[0012] Furthermore, a first connecting piece is fixedly connected to the front end of the PCT element body, and a second connecting piece is fixedly connected to the rear end of the PCT element body.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the present invention, through the mutual cooperation of the No. 1 limit block, the twist knob, the rotating shaft, the spring, the No. 2 limit block and the limit groove, the No. 1 connecting plate and the No. 2 connecting plate are first connected, and the No. 1 limit block is rotated into the limit groove by rotating the twist knob, so that the PCT frame can be assembled, thereby making the installation and disassembly process simpler and faster. By connecting and fixing several parts, a complete frame structure can be easily assembled, and it can also be quickly disassembled when necessary, which facilitates maintenance and replacement of key components.

[0015] 2. In the present invention, through the mutual cooperation of the tenon, the mortise, the No. 1 connecting plate and the No. 2 connecting plate, the user can freely assemble multiple PTC elements according to actual usage and needs. This means that the heat generation capacity of the system can be flexibly adjusted according to different scenarios and requirements to meet different heating, constant temperature or temperature control needs, and different numbers of PTC elements can be assembled according to specific circumstances. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of an assembled PTC frame proposed in the present invention;

[0017] Figure 2 This is a frame connection structure diagram of an assembled PTC frame proposed in the present utility model;

[0018] Figure 3 This is a structural diagram of the snap-fit ​​assembly of an assembled PTC frame proposed in the present invention;

[0019] Figure 4 for Figure 3Enlarged view of point A.

[0020] Legend:

[0021] 1. PCT component body; 2. Connector No. 1; 3. Connector No. 2; 4. Limit block No. 3; 5. Connecting plate No. 1; 6. Connecting plate No. 2; 7. Limit groove; 8. Tenon; 9. Tenon groove; 10. Limit block No. 1; 11. Twist; 12. Shaft; 13. Spring; 14. Limit block No. 2. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Reference Figure 1-4 The present invention provides an embodiment of an assembled PTC frame, comprising a PCT element body 1, wherein both left and right ends of the PCT element body 1 are connected to a first connecting plate 5 via a third limiting block 4, and both front and rear sides of the two first connecting plates 5 are connected to a second connecting plate 6 via an assembly component, and both left and right ends of the two second connecting plates 6 are connected to the front and rear sides of the first connecting plate 5 via a snap-fit ​​component;

[0024] Specifically, users can assemble different numbers of PTC components according to specific circumstances, connect the PCT components through connector No. 1 2 and connector No. 2 3, plug the No. 1 connecting plate 5 into the PCT component body 1 through limit block No. 3, and then assemble the frame. Through the mutual cooperation between connecting plate No. 1 5 and connecting plate No. 2 6, the No. 1 connecting plate 5 and connecting plate No. 2 6 are connected by mortise and tenon 8 and mortise 9. Different numbers of PTC components can be assembled according to specific circumstances, which means that the heat generation capacity of the system can be flexibly adjusted according to different scenarios and requirements to meet different heating, constant temperature or temperature control needs.

[0025] The assembling component includes a mortise and tenon 9 located at the left end of the No. 2 connecting plate 6, the inner wall of the mortise and tenon 9 is provided with a tenon 8, and the tenon 8 is fixedly connected to the rear end of the left No. 1 connecting plate 5, the assembling component is arranged at the connection between the No. 1 connecting plate 5 and the No. 2 connecting plate 6, the clamping component includes a No. 1 limit block 10 located on the inner wall of the top end of the left No. 1 connecting plate 5, the inner wall of the No. 1 limit block 10 is fixedly connected to the rotating shaft 12, and the left side of the outer wall of the rotating shaft 12 is fixedly connected to the twist 11, a limiting groove 7 is provided on the left side of the top end of the rear No. 2 connecting plate 6, the No. 1 limit block 10 is arranged inside the limiting groove 7, the clamping component is arranged at the connection between the No. 1 connecting plate 5 and the No. 2 connecting plate 6, the bottom side of the clamping component is fixedly connected to a spring 13 through a groove, and the other end of the spring 13 is fixedly connected to the No. 2 limit block 14, the front end of the PCT element main body 1 is fixedly connected to the No. 1 connecting piece 2, and the rear end of the PCT element main body 1 is fixedly connected to the No. 2 connecting piece 3;

[0026] Specifically, in order to facilitate the subsequent maintenance and replacement of key components, through the mutual cooperation of the No. 1 limit block 10, the knob 11, the shaft 12, the spring 13, the No. 2 limit block 14 and the limit slot 7, the No. 2 limit block 14 is pressed and the knob 11 is rotated to drive the No. 1 limit block 10, and the No. 1 limit block 10 is stuck in the limit slot 7, making its connection more stable. The No. 2 limit block 14 pops outward under the action of the spring, so that the No. 2 limit block 14 is stuck in the knob 11 to prevent it from rotating accidentally, and the PCT frame can be assembled, thereby making the installation and disassembly process simpler and faster. By connecting and fixing several components, a complete frame structure can be easily assembled, and it can also be quickly disassembled when needed, which facilitates maintenance and replacement of key components.

[0027] Working principle: users can assemble different numbers of PTC components according to specific circumstances, connect the PCT components through the No. 1 connector 2 and the No. 2 connector 3, plug the No. 1 connecting plate 5 into the PCT component body 1 through the No. 3 limit block 4, and then assemble the frame. Through the mutual cooperation between the tenon 8, the mortise and tenon 9, the No. 1 connecting plate 5 and the No. 2 connecting plate 6, the No. 1 connecting plate 5 and the No. 2 connecting plate 6 are connected by the tenon 8 and the mortise and tenon 9. In order to facilitate the subsequent maintenance and replacement of key components, through the mutual cooperation of the No. 1 limit block 10, the twist 11, the shaft 12, the spring 13, the No. 2 limit block 14 and the limit slot 7, it can The PCT frame can be assembled, which can make the installation and disassembly process simpler and faster. By connecting and fixing several parts, it can be easily assembled into a complete frame structure, and can also be quickly disassembled when needed, which is convenient for maintenance and replacement of key components. Press the No. 2 limit block 14, turn the knob 11 to drive the No. 1 limit block 10, and clamp the No. 1 limit block 10 into the limit groove 7 to make its connection more stable. The No. 2 limit block 14 pops outward under the action of the spring, so that the No. 2 limit block 14 clamps the knob 11 to prevent it from accidentally rotating, resulting in an unstable connection. After the PCT is assembled, it can be used and the PCT can be installed in the appropriate position.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An assembled PTC frame, comprising a PCT element body (1), characterized in that: The left and right ends of the PCT element body (1) are connected to the No. 1 connecting plate (5) via the No. 3 limiting block (4); the front and rear sides of the two No. 1 connecting plates (5) are connected to the No. 2 connecting plate (6) via an assembly component; the left and right ends of the two No. 2 connecting plates (6) are connected to the front and rear sides of the No. 1 connecting plate (5) via a snap-fit ​​component.

2. The assembled PTC frame according to claim 1, characterized in that: The assembly assembly comprises a mortise (9) located at the left end of the second connecting plate (6), a tenon (8) is provided on the inner wall of the mortise (9), and the tenon (8) is fixedly connected to the rear end of the left first connecting plate (5).

3. The assembled PTC frame according to claim 1, characterized in that: The assembly component is arranged at the connection between the first connecting plate (5) and the second connecting plate (6).

4. The assembled PTC frame according to claim 1, characterized in that: The engaging assembly comprises a No. 1 limiting block (10) located on the inner wall of the top end of the No. 1 connecting plate (5) on the left side, a rotating shaft (12) is fixedly connected to the inner wall of the No. 1 limiting block (10), a rotating shaft (12) is fixedly connected to the left side of the outer wall of the rotating shaft (12), and a limiting groove (7) is provided on the left side of the top end of the No. 2 connecting plate (6) on the rear side.

5. The assembled PTC frame according to claim 4, characterized in that: The first limiting block (10) is arranged inside the limiting groove (7).

6. The assembled PTC frame according to claim 1, characterized in that: The snap-fit ​​assembly is arranged at the connection between the first connecting plate (5) and the second connecting plate (6).

7. The assembled PTC frame according to claim 1, characterized in that: The bottom side of the locking assembly is fixedly connected to a spring (13) through a groove, and the other end of the spring (13) is fixedly connected to a second limiting block (14).

8. The assembled PTC frame according to claim 1, characterized in that: The front end of the PCT element body (1) is fixedly connected to a No. 1 connecting piece (2), and the rear end of the PCT element body (1) is fixedly connected to a No. 2 connecting piece (3).

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