Anti-scale boiler PTC (Positive Temperature Coefficient) heater with lining pipe

Abstract

The utility model provides an anti-scale boiler PTC heater with a lining pipe, which relates to the technical field of PTC heaters and comprises a PTC heater main body, a copper lining pipe is arranged in the PTC heater main body, a moving mechanism is arranged on the outer side of the copper lining pipe, and a positioning mechanism is arranged in the PTC heater main body. According to the PTC heater, the moving mechanism is arranged on the outer side of the copper lining pipe, the PTC heater body and the copper lining pipe can be conveniently connected through mutual cooperation of a fixing groove, a fixing rail and a groove body of the moving mechanism, the positioning mechanism is arranged, the fixing rail can be positioned through mutual cooperation of the positioning mechanisms, and therefore the PTC heater can be conveniently and rapidly connected. The PTC heater main body and the copper lining pipe are installed more conveniently and efficiently, so that the copper lining pipe is replaced more efficiently, and the practicability of the heater in use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC heaters, in particular to an anti-scaling boiler PTC heater with an inner lining tube. Background Art

[0002] PTC electric heater is a heating element with an aluminum profile as the shell. When used as a boiler heater, water passes through the internal tube of the heater. Due to the hard water quality, it is easy to scale on the surface of the aluminum profile when heated. Especially after a period of use, a large amount of scale accumulates on the inner surface of the PTC electric heater, resulting in low heating efficiency and even tube burst, affecting service life and safety.

[0003] For example, application number CN220269655U discloses "a scale-proof boiler PTC heater with an inner lining tube" and specifically discloses: a mounting block, the inner side wall of the copper inner lining tube is provided with mounting blocks around it, a reciprocating screw rod is rotatably arranged between the two mounting blocks through a bearing, the reciprocating screw rods are two in total and are symmetrically arranged in the inner cavity of the copper inner lining tube, each of the reciprocating screw rods is provided with a nut that can reciprocate along the reciprocating screw rod, and the two nuts are provided with an annular mounting ring, and a scraper ring is protruding from the outer side wall of the mounting ring. The scraper ring is slidably fitted on the inner wall of the copper lined tube, and the inner cavity of the copper lined tube is provided with a driving group that drives two reciprocating screws to rotate synchronously. When in use, although the inner wall of the copper lined tube is cleaned, the copper lined tube may be damaged when used for a long time. However, in the above technology, it is inconvenient to easily disassemble and install the copper lined tube, which makes the replacement of the copper lined tube more cumbersome, thereby reducing the convenience of the heater when in use. Therefore, the utility model proposes an anti-scaling boiler PTC heater with an inner liner tube to solve the above problem. Utility Model Content

[0004] In view of the above problems, the utility model proposes an anti-scaling boiler PTC heater with an inner lining tube, which solves the problem that it is inconvenient to disassemble and install the copper inner lining tube in the above technology, making the copper inner lining tube more cumbersome to replace, thereby reducing the convenience of the heater when in use.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: an anti-scaling boiler PTC heater with an inner lining tube, comprising a PTC heater body, a copper inner lining tube is arranged inside the PTC heater body, a moving mechanism is arranged outside the copper inner lining tube, and a positioning mechanism is arranged inside the PTC heater body;

[0006] The moving mechanism includes a fixed groove, a fixed rail and a groove body. The fixed groove is arranged to penetrate the interior of the PTC heater body. The interior of the fixed groove is provided with a fixed rail. One end of the fixed rail is connected to the outer side of the copper lining tube. The groove body is opened inside the PTC heater body.

[0007] A further improvement is that: a plurality of the fixing grooves are provided inside the PTC heater body, and the plurality of the fixing grooves are distributed in a ring shape inside the PTC heater body.

[0008] Further improvements are: the positioning mechanism includes a positioning groove, a positioning block, an installation cavity, a first bevel gear, a rotating wheel, a second bevel gear, a threaded rod, a threaded sleeve, a movable sleeve and a limiting structure, the positioning groove is opened inside the fixed rail, a positioning block is arranged inside the positioning groove, the installation cavity is installed inside the groove body, a first bevel gear is installed at the top of one side inside the installation cavity, the rotating wheel is installed on the outside of the PTC heater body, one end of the rotating wheel is connected to one end of the first bevel gear, a second bevel gear is meshed below the first bevel gear, a threaded rod is installed at one end of the second bevel gear, a threaded sleeve is arranged on the outer side wall of the threaded rod, a movable sleeve is fixedly installed on the outer side wall of the threaded sleeve, and one end of the movable sleeve is connected to one end of the positioning block.

[0009] A further improvement is that the limiting structure includes a limiting groove, a limiting block, a guide groove and a guide block, the limiting groove is opened on the inner wall of the installation cavity, a limiting block is arranged inside the limiting groove, one end of the limiting block is connected to one end of the movable sleeve, the guide groove is opened inside the groove body, a guide block is arranged inside the guide groove, and one end of the guide block is connected to one end of the positioning block.

[0010] A further improvement is that the cross section of the guide groove is larger than the cross section of the guide block, and a sliding structure is formed between the guide groove and the guide block.

[0011] A further improvement is that: two limit blocks are arranged on the outer side of the moving sleeve, and the two limit blocks are symmetrically distributed about the central axis of the moving sleeve.

[0012] The beneficial effects of the utility model are as follows: by arranging a moving mechanism on the outer side of the copper lined tube, the PTC heater main body and the copper lined tube can be conveniently connected by utilizing the mutual cooperation between the fixed groove, the fixed rail and the groove body of the moving mechanism; by arranging a positioning mechanism, the fixed rail can be positioned by utilizing the mutual cooperation between the positioning groove, the positioning block, the mounting cavity, the first bevel gear, the rotating wheel, the second bevel gear, the threaded rod, the threaded sleeve, the moving sleeve, the limit groove, the limit block, the guide groove and the guide block of the positioning mechanism, and then the copper lined tube can be positioned, so that the PTC heater main body and the copper lined tube are more convenient and efficient during installation, so that the copper lined tube is more efficient during replacement, thereby greatly improving the practicality of the heater when in use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the overall structure of the mobile mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the positioning mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the positioning mechanism of the utility model.

[0017] Among them: 1. PTC heater body; 2. Copper lined tube; 3. Fixed groove; 4. Fixed rail; 5. Groove body; 6. Positioning groove; 7. Positioning block; 8. Installation cavity; 9. First bevel gear; 10. Rotating wheel; 11. Second bevel gear; 12. Threaded rod; 13. Threaded sleeve; 14. Moving sleeve; 15. Limiting groove; 16. Limiting block; 17. Guide groove; 18. Guide block. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes an anti-scaling boiler PTC heater with an inner lining tube, including a PTC heater body 1, a copper inner lining tube 2 is arranged inside the PTC heater body 1, a moving mechanism is arranged on the outer side of the copper inner lining tube 2, and a positioning mechanism is arranged inside the PTC heater body 1.

[0020] The moving mechanism includes a fixed groove 3, a fixed rail 4 and a groove body 5. The fixed groove 3 is arranged throughout the interior of the PTC heater main body 1. The fixed rail 4 is arranged inside the fixed groove 3. One end of the fixed rail 4 is connected to the outer side of the copper lined tube 2. The groove body 5 is opened inside the PTC heater main body 1. There are multiple fixed grooves 3 inside the PTC heater main body 1. The multiple fixed grooves 3 are distributed in a ring shape inside the PTC heater main body 1. When in use, the fixed rail 4 is placed into the fixed groove 3, so the copper lined tube 2 is connected to the PTC heater main body 1, which makes the connection between the PTC heater main body 1 and the copper lined tube 2 more convenient and quick, thereby greatly improving the convenience of the heater when in use.

[0021] The positioning mechanism includes a positioning groove 6, a positioning block 7, a mounting cavity 8, a first bevel gear 9, a rotating wheel 10, a second bevel gear 11, a threaded rod 12, a threaded sleeve 13, a movable sleeve 14 and a limiting structure. The positioning groove 6 is opened inside the fixed rail 4, and a positioning block 7 is arranged inside the positioning groove 6. The mounting cavity 8 is installed inside the groove body 5. The first bevel gear 9 is installed at the top of one side inside the mounting cavity 8. The rotating wheel 10 is installed on the outside of the PTC heater body 1. One end of the rotating wheel 10 is connected to one end of the first bevel gear 9. The second bevel gear 11 is meshed below the first bevel gear 9. A threaded rod 12 is installed at one end of the second bevel gear 11. A threaded sleeve 13 is arranged on the outer wall of the threaded rod 12. A movable sleeve 14 is fixedly installed on the outer wall of the threaded sleeve 13. One end of the movable sleeve 14 is connected to one end of the positioning block 7. When in use, the rotating wheel 10 drives the first bevel gear 9 to rotate. The first bevel gear 9 and the second bevel gear 11 are meshed with each other, so the second bevel gear 11 is used to drive the threaded rod 12 to rotate, thereby driving the threaded sleeve 13 to move, and then under the limitation of the limit groove 15 and the limit block 16, the threaded sleeve 13 is used to drive the movable sleeve 14 to move, and then under the limitation of the guide groove 17 and the guide block 18, the movable sleeve 14 is used to drive the positioning block 7 to move, and the positioning block 7 is moved to the inside of the positioning groove 6, and the position of the fixed rail 4 is positioned to complete the convenient installation of the copper lined tube 2. When the copper lined tube 2 needs to be disassembled, the rotating wheel 10 is rotated in the opposite direction to move the positioning block 7 out of the inside of the positioning groove 6, and the copper lined tube 2 can be disassembled, and the fixed rail 4 can be positioned, and then the copper lined tube 2 is positioned, so that the PTC heater body 1 and the copper lined tube 2 are more convenient and efficient during installation, so that the copper lined tube 2 is more efficient when replaced, thereby greatly improving the practicality of the heater when in use.

[0022] The limiting structure includes a limiting groove 15, a limiting block 16, a guide groove 17 and a guide block 18. The limiting groove 15 is opened on the inner wall of the installation cavity 8, and the limiting block 16 is arranged inside the limiting groove 15. One end of the limiting block 16 is connected to one end of the moving sleeve 14. The guide groove 17 is opened inside the groove body 5. The guide block 18 is arranged inside the guide groove 17. One end of the guide block 18 is connected to one end of the positioning block 7. The cross section of the guide groove 17 is larger than the cross section of the guide block 18. 7 and the guide block 18 form a sliding structure, two limit blocks 16 are arranged on the outside of the movable sleeve 14, and the two limit blocks 16 are symmetrically distributed about the central axis of the movable sleeve 14. When in use, the limit groove 15 and the limit block 16 cooperate with each other to limit the movable sleeve 14 when it moves, so that the movable sleeve 14 is more stable when it moves. The guide groove 17 and the guide block 18 cooperate with each other to guide the positioning block 7 when it moves, so that the positioning block 7 is more stable when it moves.

[0023] Working principle: The staff first takes out the copper lined tube 2, and then places the fixed rail 4 into the fixed groove 3, so as to connect the copper lined tube 2 with the PTC heater body 1, and then rotates the wheel 10 to drive the first bevel gear 9 to rotate. Since the first bevel gear 9 and the second bevel gear 11 are meshed with each other, the second bevel gear 11 is used to drive the threaded rod 12 to rotate, so as to drive the threaded sleeve 13 to move, and then under the limitation of the limit groove 15 and the limit block 16, the threaded sleeve 13 is used to drive the moving sleeve 14 to move, and then under the limitation of the guide groove 17 and the guide block 18, the moving sleeve 14 is used to drive the positioning block 7 to move, and the positioning block 7 is moved to the inside of the positioning groove 6, and the position of the fixed rail 4 is positioned to complete the convenient installation of the copper lined tube 2. When the copper lined tube 2 needs to be disassembled, the wheel 10 is rotated in the opposite direction to move the positioning block 7 out of the inside of the positioning groove 6, and the copper lined tube 2 can be removed.

[0024] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A scale-proof boiler PTC heater with an inner lining tube, comprising a PTC heater body (1), characterized in that: A copper lined tube (2) is arranged inside the PTC heater body (1), a moving mechanism is arranged outside the copper lined tube (2), and a positioning mechanism is arranged inside the PTC heater body (1); The moving mechanism comprises a fixed groove (3), a fixed rail (4) and a groove body (5); the fixed groove (3) is arranged to penetrate the interior of the PTC heater body (1); a fixed rail (4) is arranged inside the fixed groove (3); one end of the fixed rail (4) is connected to the outer side of the copper lining tube (2); and the groove body (5) is opened inside the PTC heater body (1).

2. The anti-scaling boiler PTC heater with inner lining tube according to claim 1, characterized in that: A plurality of the fixing grooves (3) are arranged inside the PTC heater body (1), and the plurality of the fixing grooves (3) are distributed in a ring shape inside the PTC heater body (1).

3. The anti-scaling boiler PTC heater with inner lining tube according to claim 1, characterized in that: The positioning mechanism comprises a positioning groove (6), a positioning block (7), a mounting cavity (8), a first bevel gear (9), a rotating wheel (10), a second bevel gear (11), a threaded rod (12), a threaded sleeve (13), a movable sleeve (14) and a limiting structure. The positioning groove (6) is opened inside the fixed rail (4). The positioning block (7) is arranged inside the positioning groove (6). The mounting cavity (8) is installed inside the groove body (5). The first bevel gear (9) is installed at the top end of one side inside the mounting cavity (8). A wheel (10) is mounted on the outside of the PTC heater body (1), one end of the rotating wheel (10) is connected to one end of a first bevel gear (9), a second bevel gear (11) is meshed below the first bevel gear (9), a threaded rod (12) is mounted on one end of the second bevel gear (11), a threaded sleeve (13) is provided on the outer wall of the threaded rod (12), a movable sleeve (14) is fixedly mounted on the outer wall of the threaded sleeve (13), and one end of the movable sleeve (14) is connected to one end of a positioning block (7).

4. The anti-scaling boiler PTC heater with inner lining tube according to claim 3 is characterized in that: The limiting structure comprises a limiting groove (15), a limiting block (16), a guide groove (17) and a guide block (18); the limiting groove (15) is arranged on the inner wall of the installation cavity (8); a limiting block (16) is arranged inside the limiting groove (15); one end of the limiting block (16) is connected to one end of the moving sleeve (14); the guide groove (17) is arranged inside the groove body (5); a guide block (18) is arranged inside the guide groove (17); one end of the guide block (18) is connected to one end of the positioning block (7).

5. The anti-scaling boiler PTC heater with inner lining tube according to claim 4, characterized in that: The cross section of the guide groove (17) is larger than the cross section of the guide block (18), and a sliding structure is formed between the guide groove (17) and the guide block (18).

6. The anti-scaling boiler PTC heater with inner lining tube according to claim 5, characterized in that: Two limit blocks (16) are arranged on the outer side of the moving sleeve (14), and the two limit blocks (16) are symmetrically distributed about the central axis of the moving sleeve (14).

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