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CN-121993831-A - PTC electric heater

CN121993831ACN 121993831 ACN121993831 ACN 121993831ACN-121993831-A

Abstract

The invention belongs to the technical field of electric heaters, in particular to a PTC electric heater which comprises a base, wherein the upper end face of the base is fixedly connected with a plurality of sleeves, an inner cavity of each sleeve is connected with a telescopic rod in a sliding mode, the upper end of each telescopic rod is fixedly connected with a lifting plate, one side of each lifting plate is rotatably provided with a mounting plate, one side of the upper end face of each mounting plate is fixedly connected with a mounting frame, and one side of the inner side of each mounting frame is provided with a mounting hole for mounting a fan. The invention utilizes the traction adjusting component to adjust the area of the opening at one side of the air guide pad under the cooperative cooperation of the four traction columns, and enables the area to be equal to the required coverage area. Then, the positions of the air outlet in the transverse direction and the longitudinal direction are adjusted, so that the air outlet is aligned to the appointed area, and warm air can intensively act on the appointed area or the object, thereby being beneficial to improving the drying efficiency of the object and adapting to different use requirements.

Inventors

  • ZHAO JUN
  • QIAN CUIPING
  • FENG RUI

Assignees

  • 无锡恒业电热电器有限公司

Dates

Publication Date
20260508
Application Date
20260129

Claims (10)

  1. 1. A PTC electric heater comprises a base (1) and is characterized in that the upper end face of the base (1) is fixedly connected with a plurality of sleeves (2), an inner cavity of each sleeve (2) is slidably connected with a telescopic rod (3), the upper end of each telescopic rod (3) is fixedly connected with a lifting plate (4), one side of each lifting plate (4) is rotatably provided with a mounting plate (6), one side of the upper end face of each mounting plate (6) is fixedly connected with a mounting frame (7), one side of the inner side of each mounting frame (7) is provided with a mounting hole (33) for mounting a fan, the inner cavity of each mounting frame (7) is provided with a plurality of PTC heating cores (10), one side of each mounting frame (7) is fixedly connected with an air guide pad (8), and each air guide pad (8) is made of elastic materials; The traction adjusting assembly is also included; The traction adjusting assembly comprises a transverse moving plate (9) which is connected to one side of the upper end face of the mounting plate (6) in a sliding mode, a supporting plate (15) is connected to one side of the transverse moving plate (9) in a sliding mode, two adjusting plates (20) are connected to one side of the supporting plate (15) in a sliding mode, sliding blocks (21) are connected to two sides of the adjusting plates (20) in a sliding mode, traction columns (22) are connected to one side of the sliding blocks (21) in a sliding mode, and the ends of the traction columns (22) are fixedly connected to one side of the air guide pad (8).
  2. 2. The PTC electric heater as set forth in claim 1, wherein one end of the traverse plate (9) is connected with a first threaded rod (11) through threads, both ends of the first threaded rod (11) are rotatably arranged on the mounting plate (6), one side of the upper end face of the mounting plate (6) is fixedly connected with a second motor (12), and the output end of the second motor (12) is fixedly connected with one end of the first threaded rod (11).
  3. 3. The PTC electric heater of claim 2, wherein one end of the traverse plate (9) is in threaded connection with a second threaded rod (13), both ends of the second threaded rod (13) are rotatably arranged on the traverse plate (9), one end of the traverse plate (9) is fixedly connected with a third motor (14), and the output end of the third motor (14) is fixedly connected with one end of the second threaded rod (13).
  4. 4. The PTC electric heater as set forth in claim 1, wherein a first bidirectional threaded rod (17) is rotatably disposed at two ends of one side of the supporting plate (15), two sides of the first bidirectional threaded rod (17) are respectively connected with end threads of the adjusting plates (20) on two sides, one end of the supporting plate (15) is fixedly connected with a fourth motor (16), and an output end of the fourth motor (16) is fixedly connected with one end of the first bidirectional threaded rod (17).
  5. 5. The PTC electric heater of claim 1, wherein two ends of one side of the adjusting plate (20) are rotatably provided with two bidirectional threaded rods (19), two sides of the two bidirectional threaded rods (19) are respectively connected with sliding blocks (21) on two sides in a threaded mode, one end of the adjusting plate (20) is fixedly connected with a motor five (18), and the output end of the motor five (18) is fixedly connected with one end of the two bidirectional threaded rods (19).
  6. 6. A PTC electric heater according to claim 1, further comprising an adjustment assembly; The adjusting component comprises a first motor (5) fixedly connected to one side of the upper end face of the lifting plate (4), and the output end of the first motor (5) is fixedly connected with one end of the mounting plate (6).
  7. 7. The PTC electric heater as set forth in claim 1, wherein a threaded cylinder (29) is rotatably disposed on one side of the upper end face of the base (1), a third threaded rod (28) is screwed in an inner cavity of the threaded cylinder (29), and the upper end of the third threaded rod (28) is fixedly connected with one side of the bottom of the lifting plate (4).
  8. 8. The PTC electric heater of claim 7, wherein a worm wheel (30) is fixedly sleeved on the threaded cylinder (29), a worm (32) is rotatably arranged on one side of the upper end face of the base (1), the worm (32) is meshed with the worm wheel (30), a motor seven (31) is fixedly connected on one side of the upper end face of the base (1), and the output end of the motor seven (31) is fixedly connected with one end of the worm (32).
  9. 9. A PTC electric heater according to claim 1, further comprising a shaking-off auxiliary assembly to prevent foreign substances from remaining inside the air guiding pad (8); The shake-off auxiliary assembly comprises a hinge block (27) fixedly connected to one end of the traction column (22), a connecting rod II (26) is rotatably arranged on one side of the hinge block (27), a connecting rod I (25) is rotatably arranged on one end of the connecting rod II (26), a connecting block (23) is fixedly connected to one side of the sliding block (21), and one end of the connecting rod I (25) is rotatably arranged on the connecting block (23).
  10. 10. A PTC electric heater as set forth in claim 9, wherein a motor six (24) is fixedly connected to one side of the connecting block (23), and an output end of the motor six (24) is fixedly connected to one end of a connecting rod one (25).

Description

PTC electric heater Technical Field The invention belongs to the technical field of electric heaters, and particularly relates to a PTC electric heater. Background The PTC electric heater is an electric heating device using PTC thermal sensitive ceramic material as a heating element. The device is characterized by having the capabilities of automatic constant temperature, self-limiting power and safe dry burning prevention. The patent with the bulletin number of CN220023091U discloses a PTC electric heater with safeguard function, relate to electric heater technical field, this PTC electric heater with safeguard function, including the spliced pole, the both sides of spliced pole all are provided with the side connecting plate, equal threaded connection has fixing bolt on two side connecting plates, the inside threaded connection of two opposite one ends of fixing bolt and spliced pole is provided with the PTC heating plate between two side connecting plates, the removal slide has been seted up on the side connecting plate, this PTC electric heater with safeguard function, make press lever, pinion and gear wheel reset, and then fix the PTC heating plate, be convenient for supplementary fix the PTC heating plate, improve the fixed convenience of PTC heating plate and spliced pole, prevent PTC heating plate and side connecting plate break away from, be convenient for protect the PTC heating plate through the baffle ring simultaneously, and then prevent the striking to the PTC heating plate, improve the protection effect to the PTC heating plate, reduce the PTC heating plate and appear damaging probability. However, the above technical solution has the following disadvantages in the practical application process: When the PTC electric heater is used, the PTC electric heater can be matched with the fan, the fan is arranged on one side of the PTC electric heater, and air blown out of the fan is heated into warm air after passing through the PTC heating core, so that the heating requirement is met. However, after the wind is blown out through one side of the PTC electric heater, the covered range is fixed, and in some cases, when it is necessary to concentrate the hot wind to a local part, for example, when it is necessary to dry an object, since the hot wind coverage is fixed, it is difficult to concentrate the hot wind to the object to be dried, thereby affecting the drying efficiency. Disclosure of Invention In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a PTC electric heater. The technical scheme includes that the PTC electric heater comprises a base, wherein the upper end face of the base is fixedly connected with a plurality of sleeves, an inner cavity of each sleeve is connected with a telescopic rod in a sliding mode, the upper end of each telescopic rod is fixedly connected with a lifting plate, one side of each lifting plate is rotatably provided with a mounting plate, one side of the upper end face of each mounting plate is fixedly connected with a mounting frame, one side of the inner side of each mounting frame is provided with a mounting hole for mounting a fan, the inner cavity of each mounting frame is provided with a plurality of PTC heating cores, one side of each mounting frame is fixedly connected with an air guide pad, and each air guide pad is made of elastic materials; The traction adjusting assembly is also included; The traction adjusting assembly comprises a transverse moving plate which is connected to one side of the upper end face of the mounting plate in a sliding mode, a supporting plate is connected to one side of the transverse moving plate in a sliding mode, two adjusting plates are connected to one side of the supporting plate in a sliding mode, sliding blocks are connected to two sides of the adjusting plates in a sliding mode, a traction column is connected to one side of the sliding blocks in a sliding mode, and the end portion of the traction column is fixedly connected with one side of the air guide pad. Preferably, one end of the transverse moving plate is in threaded connection with a first threaded rod, two ends of the first threaded rod are both rotationally arranged on the mounting plate, one side of the upper end face of the mounting plate is fixedly connected with a second motor, and an output end of the second motor is fixedly connected with one end of the first threaded rod. Preferably, one end of the transverse moving plate is connected with a threaded rod II in a threaded manner, two ends of the threaded rod II are both rotatably arranged on the transverse moving plate, one end of the transverse moving plate is fixedly connected with a motor III, and the output end of the motor III is fixedly connected with one end of the threaded rod II. Preferably, two ends of one side of the supporting plate are rotatably provided with a first bidirectional threaded rod, two sides of the