CN213212435U

CN213212435U - Inserting sheet connecting structure of PTC heater

Info

Publication number: CN213212435U
Application number: CN202022691105.XU
Authority: CN
Inventors: 徐伟
Original assignee: Shanghai Yi Na Wei Xin Electric Heater Co ltd
Current assignee: Shanghai Yi Na Wei Xin Electric Heater Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-05-14
Anticipated expiration: 2030-11-19

Abstract

The utility model provides a PTC heater's inserted sheet connection structure, including a ring flange, at least a set of PCT heating pipe subassembly, a set of PCT heating pipe subassembly includes two PCT heating pipes, the one end of arbitrary PCT heating pipe all with one side fixed connection of ring flange, the one end of arbitrary PCT heating pipe all is provided with two public heads of inserted sheet, the public overhead through-hole that is provided with respectively of inserted sheet, the opposite side of ring flange is provided with the female head subassembly of inserted sheet that equals with PCT heating pipe subassembly number, the female head subassembly of inserted sheet includes two female heads of inserted sheet, first flexion, second flexion and second curb plate enclose into a draw-in groove, be provided with a bellying with through-hole looks adaptation on the second curb plate, the public head of inserted sheet is inserted and is established in the draw-in groove separately correspondingly, the through. The utility model discloses a female head of inserted sheet has played the connection effect that replaces the wire, and connecting terminal can conveniently insert outside wire, has reduced the wire cost, has improved the speed of punching press terminal, makes the more convenient and fast of product assembly.

Description

Inserting sheet connecting structure of PTC heater

Technical Field

The utility model relates to a physics field especially relates to heating device, particularly is an inserted sheet connection structure of PTC heater.

Background

The PTC heating pipe is composed of PTC heating sheets, electrode plates, an insulating film, a metal pipe and the like, has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heating device. After waterproof sealing treatment is carried out on two ends of the metal pipe of the PTC heating pipe, the PTC heating pipe can also be used for a water heater.

In the prior art, a commonly-used PTC heater comprises four heating pipes, so eight electrodes are provided, eight lead wires need to be stamped with male terminal terminals of the insertion pieces respectively, and the male terminals are connected with eight insertion pieces extending out of the heater respectively. The disadvantage of this is that the eight wires are expensive and the process of stamping the connecting wires is time consuming and laborious.

Disclosure of Invention

An object of the utility model is to provide an inserted sheet connection structure of PTC heater, this kind of inserted sheet connection structure of PTC heater solve prior art well wire with high costs, the process of punching press connecting wire is more time-consuming and energy-consuming technical problem.

The utility model relates to an inserting piece connecting structure of a PTC heater, which comprises a flange plate and at least one group of PCT heating pipe components, wherein one group of PCT heating pipe components comprises two PCT heating pipes,

one end of any one PCT heating pipe is fixedly connected with one side of the flange plate, one end of any one PCT heating pipe is provided with two male inserting pieces, each male inserting piece is provided with a through hole,

the other side of the flange plate is provided with female head components of inserting pieces with the number equal to that of the PCT heating pipe components, each female head component of the inserting pieces comprises two female heads of inserting pieces, each female head of the inserting pieces comprises a side plate, the upper end and the lower end of each side plate are respectively and vertically connected with a second side plate, the upper side of each second side plate is bent towards one side away from the corresponding side plate and then downwards bent to form a first bending part, the lower side of each second side plate is bent towards one side away from the corresponding side plate and then upwards bent to form a second bending part, each first bending part and each second bending part have elasticity, each first bending part, each second bending part and each second side plate form a clamping groove, each second side plate is provided with a protruding part matched with the through hole, one side of each side plate away from the male head of the inserting pieces is connected with a connecting terminal, and the clamping,

the male plug of the inserting piece is respectively and correspondingly inserted into the clamping groove, and the through hole is matched with the protruding part to be clamped.

Furthermore, a protective cover is arranged on one side of the flange plate, the male plug of the inserting piece and the female plug of the inserting piece are covered by the protective cover, and a wire outlet is formed in the protective cover.

Furthermore, a sealing ring is arranged between the protective cover and the flange plate.

Furthermore, the protective cover is made of plastic.

Further, the number of the PCT heating tube components is two.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a female head of inserted sheet and the public head one-to-one of inserted sheet connection structure of PTC heater inserts the public head of inserted sheet correspondingly to the draw-in groove of the female head of inserted sheet in, inserts the back through-hole and blocks with the bellying cooperation, has increased friction power, plays the effect of location and preventing that the public head of inserted sheet pine takes off. The female head of inserted sheet has played the connection effect who replaces the wire, and connecting terminal can conveniently insert outside wire. The protective cover and the sealing ring fix the structure to prevent loosening, protect insulation and prevent water. The structure reduces the cost of the lead, improves the speed of stamping the terminal, can realize higher automation rate, and enables the assembly of products to be more convenient and faster.

Drawings

Fig. 1 is an exploded schematic view of an insertion sheet connection structure of a PTC heater according to the present invention.

Fig. 2 is a partially enlarged schematic view of fig. 2.

Fig. 3 is a schematic view of a first three-dimensional structure of an insert female head of an insert connecting structure of a PTC heater according to the present invention.

Fig. 4 is a schematic diagram of a second three-dimensional structure of the female head of the insertion sheet connection structure of the PTC heater of the present invention.

Fig. 5 is a third schematic perspective view of the female head of the insertion sheet connection structure of the PTC heater according to the present invention.

Fig. 6 is a fourth schematic perspective view of the female head of the male tab connection structure of the PTC heater of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof.

Example 1

As shown in fig. 1 to 6, the insertion sheet connection structure of the PTC heater of the present invention comprises a flange 2, at least one set of PCT heating tube assembly, one set of PCT heating tube assembly comprises two PCT heating tubes 1,

one end of any one PCT heating pipe 1 is fixedly connected with one side of the flange plate 2, one end of any one PCT heating pipe 1 is provided with two male inserting pieces 3, the male inserting pieces 3 are respectively provided with a through hole 11,

the other side of the flange plate 2 is provided with a female plug-in sheet assembly with the number equal to that of the PCT heating pipe assemblies, the female plug-in sheet assembly comprises two female plug-in sheets 13, the female plug-in sheet 13 comprises a side plate 5, the upper end and the lower end of the side plate 5 are respectively and vertically connected with a second side plate 10, the upper side of the second side plate 10 is bent towards one side far away from the side plate 5 and then bent downwards to form a first bending part 14, the lower side of the second side plate 10 is bent towards one side far away from the side plate 5 and then bent upwards to form a second bending part 4, the first bending part 14 and the second bending part 4 are both elastic, the first bending part 14, the second bending part 4 and the second side plate 10 form a clamping groove in a surrounding manner, a protruding part (not shown in the figure) matched with the through hole 11 is arranged on the second side plate 10, one side far away from the male plug-in sheet 3 on the side plate 5 is connected with,

the male plug-in pieces 3 are respectively and correspondingly inserted into the clamping grooves, and the through holes 11 are matched with the protruding parts to be clamped.

Furthermore, a protective cover 7 is arranged on one side of the flange plate 2, the male plug-in sheet head 3 and the female plug-in sheet head 13 are covered by the protective cover 7, and a wire outlet 8 is arranged on the protective cover 7.

Further, a sealing ring 6 is arranged between the protective cover 7 and the flange plate 2.

Further, the protective cover 7 is made of plastic.

Further, the number of the PCT heating tube components is two.

The working principle of the embodiment is as follows:

the sheet metal component that the material is tin-plated brass, thickness is 0.4mm forms first flexion 14 and second flexion 4 through punching press turn-ups turn-up, and female 13 of inserted sheet and the public first one-to-one of inserted sheet, the terminal turns over the back, inserts the public first 3 of inserted sheet into the draw-in groove of the female 13 of inserted sheet correspondingly, inserts back through-hole 11 and blocks with the bellying cooperation, has increased friction, plays the effect of location and preventing the public first 3 pine of inserted sheet from taking off. The male tab 13 serves as a connection function for replacing a lead, and the connection terminal 9 can be conveniently connected to an external lead. The protective cover 7 and the sealing ring 6 fix the structure to prevent loosening, protect insulation and prevent water. The structure reduces the cost of the lead, improves the speed of stamping the terminal, can realize higher automation rate, and enables the assembly of products to be more convenient and faster.

Claims

1. The utility model provides a PTC heater's inserted sheet connection structure, includes a ring flange (2), at least a set of PCT heating pipe subassembly, a set of PCT heating pipe subassembly includes two PCT heating pipes (1), its characterized in that:

one end of any one PCT heating pipe (1) is fixedly connected with one side of the flange plate (2), one end of any one PCT heating pipe (1) is provided with two male inserting pieces (3), the male inserting pieces (3) are respectively provided with a through hole (11),

the other side of the flange plate (2) is provided with an inserting sheet female head component with the number equal to that of the PCT heating pipe components, the inserting sheet female head component comprises two inserting sheet female heads (13), each inserting sheet female head (13) comprises a side plate (5), the upper end and the lower end of each side plate (5) are respectively and vertically connected with a second side plate (10), the upper side of each second side plate (10) is bent towards one side away from the corresponding side plate (5) and then bent downwards to form a first bending portion (14), the lower side of each second side plate (10) is bent towards one side away from the corresponding side plate (5) and then bent upwards to form a second bending portion (4), each first bending portion (14) and each second bending portion (4) have elasticity, each first bending portion (14), each second bending portion (4) and each second side plate (10) form a clamping groove in a surrounding mode, each second side plate (10) is provided with a protruding portion matched with the corresponding, one side of the side plate (5) far away from the male insert head (3) is connected with a connecting terminal (9), the clamping grooves of the two female insert heads (13) in any female insert head component are arranged oppositely,

the male plug-in pieces (3) are respectively and correspondingly inserted into the clamping grooves, and the through holes (11) are matched with the protruding portions to be clamped.

2. A PTC heater chip connection structure according to claim 1, wherein: one side of ring flange (2) is provided with visor (7), and public head (3) of inserted sheet and female head (13) cover of inserted sheet are covered in visor (7), are provided with wire outlet (8) on visor (7).

3. A PTC heater chip connection structure according to claim 2, wherein: and a sealing ring (6) is arranged between the protective cover (7) and the flange plate (2).

4. A PTC heater chip connection structure according to claim 2, wherein: the protective cover (7) is made of plastic.

5. A PTC heater chip connection structure according to claim 1, wherein: the number of the PCT heating pipe components is two.