Separable PTC heater

Abstract

The utility model belongs to the technical field of PTC heaters, and particularly relates to a separable PTC heater which comprises a base, PTC heater bodies are arranged above the base, fixing plates are fixedly arranged on the sides, away from each other, of the PTC heater bodies, first holes are formed in the two fixing plates, two outer sleeve columns are fixedly arranged on the upper surface of the base, and the outer sleeve columns are sleeved with the first holes. The device comprises two outer sleeve columns, fixing structures are arranged on the two outer sleeve columns, fixing holes are formed in the sides, away from each other, of the two outer sleeve columns, inner sleeve columns are movably connected into the two outer sleeve columns, sliding grooves are formed in one sides of the inner sleeve columns, and pin holes are formed in one sides of the inner sleeve columns. The servo motor drives the threaded rod, the threaded rod drives the sliding block in threaded connection to move, the sliding block drives the PTC heater body to move through the fixing plate, and the PTC heater body can be made to be away from or close to an object according to heat needed by the heated object.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC heaters, in particular to a detachable PTC heater. Background Art

[0002] PTC heating element, also known as PTC heater, is composed of PTC ceramic heating element and aluminum tube. This type of PTC heating element has the advantages of small 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 "redness" phenomenon on the surface of electric heating tube heaters, thereby causing safety hazards such as burns and fire.

[0003] However, in existing equipment, most PTC heaters are welded, which makes the PTC heaters unable to move and cannot be moved away or closer according to the heat required by the object. At the same time, it is inconvenient to disassemble the PTC heater for repair and maintenance. Therefore, a detachable PTC heater is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a detachable PTC heater.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a detachable PTC heater, comprising a base, a PTC heater body is arranged above the base, a fixing plate is fixedly arranged on the side away from the PTC heater body, a first hole is opened on the two fixing plates, two outer sleeve columns are fixedly arranged on the upper surface of the base, a fixing structure is opened on the two outer sleeve columns, a fixing hole is opened on the side away from the two outer sleeve columns, an inner sleeve column is movably connected in the two outer sleeve columns, a sliding groove is opened on one side of the inner sleeve column, a pin hole is opened on one side of the inner sleeve column, and a movable structure is opened on the two inner sleeve columns.

[0006] As a further description of the above technical solution:

[0007] The fixing structure includes a first fixing frame fixedly connected to the outer sleeve column, a first sliding rod slidably connected to one side of the first fixing frame, a pin rod fixedly provided at one end of the first sliding rod, the pin rod is adapted to a fixing hole opened in the outer sleeve column and a pin hole opened in the inner sleeve column, a first spring is movably provided on the pin rod, one end of the first spring is fixedly connected to one side of the inside of the first fixing frame, and the other end is fixedly connected to one side of the pin rod.

[0008] As a further description of the above technical solution:

[0009] The movable structure includes a slider slidably connected in the slide groove and a servo motor fixedly connected to the upper surface of the inner sleeve column. The slider is threadedly connected to a threaded rod, and the threaded rod is rotatably connected to the inside of the inner sleeve column. One end of the threaded rod is fixedly connected to the output shaft of the servo motor. A second hole is opened on the upper surface of the slider, and a clamping structure is provided on the slider.

[0010] As a further description of the above technical solution:

[0011] The clamping structure includes a second fixed frame fixedly connected to the upper surface of the slider, a second sliding rod is slidably connected to the upper surface of the second fixed frame, a pin is fixedly provided at one end of the second sliding rod, the pin is adapted to the first hole and the second hole, and a second spring is movably provided on the second sliding rod.

[0012] As a further description of the above technical solution:

[0013] One end of the second spring is fixedly connected to one side of the interior of the second fixing frame, and the other end of the second spring is fixedly connected to one side of the pin.

[0014] As a further description of the above technical solution:

[0015] A clamping groove is provided on one side opposite to the two sliding blocks, and the two clamping grooves are respectively matched with the corresponding fixing plates.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the detachable PTC heater is provided with a threaded rod, a servo motor and a slider, etc. The servo motor drives the threaded rod, the threaded rod drives the threaded slider to move, and the slider drives the PTC heater body to move through the fixed plate. The PTC heater body can be moved away from or close to the object according to the heat required for the heated object.

[0018] 2. Compared with the prior art, the detachable PTC heater is used by setting a second fixed frame, a second sliding rod, a second spring and a pin, etc., pulling the two second sliding rods, the second sliding rods drive the pin to retract, and then the PTC heater body is slid in from one side of the two sliders through the fixed plate, so that the holes on the two fixed plates overlap with the holes opened by the corresponding sliders, and then the second sliding rod is loosened, so that the pin passes through the slider and is pinned in the hole on the fixed plate, so that the PTC heater body is conveniently disassembled for repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a detachable PTC heater proposed by the utility model;

[0020] Figure 2A plan view of a detachable PTC heater proposed by the utility model;

[0021] Figure 3 An exploded diagram of a fixed structure and a movable structure of a detachable PTC heater proposed in the utility model;

[0022] Figure 4 An exploded view of the clamping structure of a detachable PTC heater proposed in the utility model.

[0023] Legend:

[0024] 1. Base; 2. Outer sleeve column; 3. PTC heater body; 4. Fixed plate; 5. Fixed structure; 501. First fixed frame; 502. First sliding rod; 503. First spring; 504. Pin rod; 6. Moving structure; 601. Threaded rod; 602. Servo motor; 603. Slider; 7. Clamping structure; 701. Second fixed frame; 702. Second sliding rod; 703. Second spring; 704. Pin column; 8. Inner sleeve column. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figures 1 to 4The utility model provides a detachable PTC heater: comprising a base 1, a PTC heater body 3 is arranged above the base 1, a fixing plate 4 is fixedly arranged on the side away from the PTC heater body 3, and a first hole is opened on the two fixing plates 4, two outer sleeve columns 2 are fixedly arranged on the upper surface of the base 1, and a fixing structure 5 is arranged on the two outer sleeve columns 2, and the fixing structure 5 comprises a first fixing frame 501 fixedly connected to the outer sleeve column 2, a first sliding rod 502 is slidably connected to one side of the first fixing frame 501, and a pin rod 504 is fixedly arranged at one end of the first sliding rod 502, and the pin rod 504 is adapted to the fixing hole opened in the outer sleeve column 2 and the pin hole opened in the inner sleeve column 8, and the pin rod A first spring 503 is movably provided on 504, one end of the first spring 503 is fixedly connected to one side of the first fixed frame 501, and the other end is fixedly connected to one side of the pin rod 504. The first sliding rod 502 allows the pin rod 504 to penetrate the outer sleeve column 2 and be pinned in the second hole of the inner sleeve column 8 under the elasticity of the first spring 503, so as to facilitate the disassembly of the inner sleeve column 8 and the maintenance and repair of the servo motor 602 and the threaded rod 601 on the inner sleeve column 8. A fixing hole is provided on the side away from the two outer sleeve columns 2, and the inner sleeve columns 8 are movably connected in the two outer sleeve columns 2. A sliding groove is provided on one side of the inner sleeve column 8, and a pin hole is provided on one side of the inner sleeve column 8. A movable structure 6 is provided on the two inner sleeve columns 8;

[0027] The moving structure 6 includes a slider 603 slidably connected in the slide groove and a servo motor 602 fixedly connected to the upper surface of the inner sleeve column 8. The slider 603 is threadedly connected to a threaded rod 601, and the threaded rod 601 is rotatably connected to the inside of the inner sleeve column 8. One end of the threaded rod 601 is fixedly connected to the output shaft of the servo motor 602. A second hole is provided on the upper surface of the slider 603. A card slot is provided on the opposite side of the two sliders 603. The two card slots are respectively adapted to the corresponding fixed plates 4. The servo motor 602 drives the threaded rod 601, and the threaded rod 601 drives the threaded slider 603 to move. The slider 603 drives the PTC to be pressed through the fixed plate 4. The heater body 3 moves, and the PTC heater body 3 can be moved away from or close to the object according to the heat required for the heated object. A clamping structure 7 is provided on the slider 603, and the clamping structure 7 includes a second fixed frame 701 fixedly connected to the upper surface of the slider 603, and a second sliding rod 702 is slidably connected to the upper surface of the second fixed frame 701. A pin 704 is fixedly provided at one end of the second sliding rod 702, and the pin 704 is adapted to the first hole and the second hole. A second spring 703 is movably provided on the second sliding rod 702, and one end of the second spring 703 is fixedly connected to one side of the inside of the second fixed frame 701, and the other end is fixedly connected to one side of the pin 704.

[0028] Working principle: Pull the first sliding rod 502, the first sliding rod 502 drives the pin 504 to retract, put the two inner sleeve columns 8 into the outer sleeve column 2, and then release the first sliding rod 502. Under the elasticity of the first spring 503, the pin 504 penetrates the outer sleeve column 2 and is pinned in the second hole of the inner sleeve column 8, which is convenient for disassembling the inner sleeve column 8, and maintaining and repairing the servo motor 602 and the threaded rod 601 on the inner sleeve column 8, and then pull the two second sliding rods 702, the second sliding rods 702 drive the pin 704 to retract, and then the PTC heater body 3 is removed from the two slide blocks 6 through the fixing plate 4. 03 is slid into one side so that the holes on the two fixed plates 4 overlap with the corresponding holes opened in the slider 603, and then the second sliding rod 702 is loosened to make the pin 704 pass through the slider 603 and be pinned in the hole on the fixed plate 4, so that the PTC heater body 3 can be easily disassembled for maintenance, and then the servo motor 602 is started to drive the threaded rod 601, and the threaded rod 601 drives the threaded slider 603 to move, and the slider 603 drives the PTC heater body 3 to move through the fixed plate 4, and the PTC heater body 3 can be moved away from or close to the object according to the heat required for the heated object.

[0029] 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 substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A detachable PTC heater, comprising a base (1), characterized in that: A PTC heater body (3) is provided above the base (1), a fixing plate (4) is fixedly provided on the side away from the PTC heater body (3), and a first hole is provided on the two fixing plates (4), two outer sleeve columns (2) are fixedly provided on the upper surface of the base (1), and a fixing structure (5) is provided on the two outer sleeve columns (2), a fixing hole is provided on the side away from the two outer sleeve columns (2), an inner sleeve column (8) is movably connected inside the two outer sleeve columns (2), a sliding groove is provided on one side of the inner sleeve column (8), a pin hole is provided on one side of the inner sleeve column (8), and a movable structure (6) is provided on the two inner sleeve columns (8).

2. The detachable PTC heater according to claim 1, characterized in that: The fixing structure (5) comprises a first fixing frame (501) fixedly connected to the outer sleeve column (2); a first sliding rod (502) is slidably connected to one side of the first fixing frame (501); a pin rod (504) is fixedly provided at one end of the first sliding rod (502); the pin rod (504) is adapted to a fixing hole provided in the outer sleeve column (2) and a pin hole provided in the inner sleeve column (8); a first spring (503) is movably provided on the pin rod (504); one end of the first spring (503) is fixedly connected to one side of the first fixing frame (501); and the other end is fixedly connected to one side of the pin rod (504).

3. The detachable PTC heater according to claim 1, characterized in that: The movable structure (6) comprises a slider (603) slidably connected in a slide groove and a servo motor (602) fixedly connected to the upper surface of the inner sleeve column (8); the slider (603) is threadedly connected to a threaded rod (601); the threaded rod (601) is rotatably connected to the inside of the inner sleeve column (8); one end of the threaded rod (601) is fixedly connected to the output shaft of the servo motor (602); a second hole is provided on the upper surface of the slider (603); and a clamping structure (7) is provided on the slider (603).

4. The detachable PTC heater according to claim 3, characterized in that: The clamping structure (7) comprises a second fixed frame (701) fixedly connected to the upper surface of the slider (603); the upper surface of the second fixed frame (701) is slidably connected to a second sliding rod (702); a pin (704) is fixedly provided at one end of the second sliding rod (702); the pin (704) is adapted to the first hole and the second hole; and a second spring (703) is movably provided on the second sliding rod (702).

5. The detachable PTC heater according to claim 4, characterized in that: One end of the second spring (703) is fixedly connected to one side of the interior of the second fixing frame (701), and the other end is fixedly connected to one side of the pin (704).

6. The detachable PTC heater according to claim 3, characterized in that: The two sliding blocks (603) are each provided with a slot on one side opposite to the other, and the two slots are respectively matched with the corresponding fixing plates (4).

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