CN218387953U

CN218387953U - PTC heating element with good insulation and sealing performance of connecting port

Info

Publication number: CN218387953U
Application number: CN202222532125.1U
Authority: CN
Inventors: 谭焕志
Original assignee: Dongguan Longyang Electronic Technology Co ltd
Current assignee: Dongguan Longyang Electronic Technology Co ltd
Priority date: 2022-09-25
Filing date: 2022-09-25
Publication date: 2023-01-24
Anticipated expiration: 2032-09-25

Abstract

The utility model discloses a PTC heating element that insulating leakproofness of connection port is good, including PTC heating element body, front surface one side of PTC heating element body is equipped with connection port, connection port's inside is equipped with the plastic insulation layer. The utility model discloses a briquetting is moved to the downward pressure, the briquetting moves down and promotes two connecting rods, two connecting rods outwards promote the connecting plate respectively, the connecting plate outwards moves and drives the closing plate and outwards move, the spring is elongated, expose connection port, make things convenient for being connected of connecting plug and connection port, loosen the briquetting after the connection is accomplished, the spring shortens the pulling fixed plate, the closing plate is close to each other including connecting plug and connection port protection, prevent that the dust from getting into, the setting of through-hole is convenient for the wire of connecting plug end to pass through, and can effectively prevent to take place electric leakage phenomenon with the help of plastic insulation layer, make connection port possess better insulating sealing performance, prevent that the dust from getting into inside the connection port, avoid electric leakage phenomenon's emergence.

Description

PTC heating element with good insulation and sealing performance of connecting port

Technical Field

The utility model relates to a PTC heating element technical field specifically is a PTC heating element that the insulating leakproofness of connection port is good.

Background

The PTC heating component is also called as a PTC heater and consists of a PTC ceramic heating element and an aluminum tube, has the advantages of small thermal resistance and high heat exchange efficiency, is an automatic constant-temperature and power-saving electric heater, and is characterized in that the surface of the electric heating tube heater does not turn red under any application condition on the safety performance, and potential safety hazards such as scalding, fire and the like are avoided;

the invention is disclosed in China: CN213126503U discloses a PTC heater bus bar assembly and PTC heater, wherein the IGBT module is connected with the housing through an insulating ceramic plate, the heat generated by the IGBT module is transferred to the housing through the insulating ceramic plate, and then the housing is used to exchange heat with the outside world for heat dissipation; the insulating ceramic plate has good heat conduction effect and high heat conduction efficiency, can timely and effectively dissipate heat generated by the IGBT module, has good heat dissipation effect, is not easy to increase the temperature of the IGBT module, is not easy to cause the temperature increase of a circuit board, and has more stable performance and high safety of the PTC heater;

however, there are problems in that a connection port needs to be connected to a connection plug of an external device when the PTC heat generating assembly is used, the connection port of the PTC heat generating assembly is directly exposed to the outside, a current leakage phenomenon may occur at the connection position of the connection port and the connection plug of the external device, and external dust easily enters the connection port to affect the normal use of the PTC heat generating assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PTC heating element that connection port insulating sealing nature is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PTC heating element that insulating leakproofness of connection port is good, includes the PTC heating element body, front surface one side of PTC heating element body is equipped with connection port, connection port's inside is equipped with the plastics insulating layer, one side fixedly connected with installing frame that PTC heating element body front surface is close to connection port, the spout has all been seted up to the lateral wall both sides of installing frame, the inside wall sliding connection of spout has the closing plate, the through-hole has been seted up to the front surface of closing plate, the welding of front surface one side of closing plate has the fixed plate, symmetrical welding has two springs between the adjacent one side of fixed plate and installing frame, the last skin weld of closing plate has the connecting plate, one side top of connecting plate articulates there is the connecting rod, the top of connecting rod articulates there is the briquetting, through pushing down the briquetting, the briquetting moves and promotes two connecting rods, two connecting rods respectively outwards promote the connecting plate, and the connecting plate outwards moves about the connecting plate, and the spring is elongated, exposes connection port, makes things convenient for connection plug and connection port's connection, and the back release briquetting after the connection is accomplished, and the spring shortens to stimulate fixed plate, and the closing plate is close to be protected including connection port each other, prevents that the dust from getting into, and the setting up the insulating layer of through the insulating layer of being convenient for the wire of connection port, and the wire of connecting plug end of being convenient for the insulating layer is through the effective sealing performance, and can prevent to take place the effective sealing performance, and can make the insulating layer, the good connection port, the insulating layer leakage of the good connection port, and make the good connection port of the good sealing performance of the good.

As a further preferred aspect of the present invention: the upper surface welding of briquetting has the pull ring, is convenient for drive the briquetting through removing the pull ring and removes.

As further preferable in the present technical solution: one side of PTC heating element body front surface far away from connection port is installed and is placed the box, is convenient for place insulating plug.

As further preferable in the present technical solution: when the PTC heating assembly body is not connected with external equipment, the insulating plug can be inserted into the connecting port, and dust is prevented from entering the connecting port.

As further preferable in the present technical solution: the front surface of the insulating plug is fixedly connected with a connecting block, and the insulating plug is convenient to move by moving the connecting block.

As a further preferred aspect of the present invention: one side of the front surface of the placing box is hinged with a box cover, and the insulating plug can be protected when the box cover is closed.

As further preferable in the present technical solution: the fixed part of hasp is installed to the one side of placing the box, the movable part of hasp is installed to one side of lid, it passes through the hasp with the lid to place the box and is connected, can be nimble with the help of the hasp will place the box and be connected with the lid.

As further preferable in the present technical solution: a handle is welded on one side of the front surface of the box cover, and the box cover is convenient to open and close.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a briquetting is moved to the downward pressure, the briquetting moves down and promotes two connecting rods, two connecting rods outwards promote the connecting plate respectively, the connecting plate outwards moves and drives the closing plate and outwards move, the spring is elongated, expose connection port, make things convenient for connection plug and connection port's being connected, loosen the briquetting after the connection is accomplished, the spring shortens the pulling fixed plate, the closing plate is close to each other including connection plug and connection port protection, prevent that the dust from getting into, the setting of through-hole is convenient for the wire of connection plug end to pass through, and can effectively prevent to take place electric leakage phenomenon with the help of plastic insulation layer, make connection port possess better insulating sealing performance, prevent that the dust from getting into inside the connection port, avoid the emergence of electric leakage phenomenon, effectively guarantee PTC heating element's normal use.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of region A of FIG. 1;

FIG. 3 is a schematic structural view of the mounting frame and the sliding groove of the present invention;

fig. 4 is an enlarged view of the structure of the area B in fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the PTC heating element body according to the present invention;

fig. 6 is an enlarged view of the structure of region C in fig. 5.

In the figure: 1. a PTC heating assembly body; 2. a connection port; 3. a plastic insulating layer; 4. installing a frame; 5. a chute; 6. sealing plates; 7. a through hole; 8. a fixing plate; 9. a spring; 10. a connecting plate; 11. a connecting rod; 12. briquetting; 13. a pull ring; 14. placing the box; 15. an insulating plug; 16. connecting blocks; 17. a box cover; 18. locking; 19. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a PTC heating element with good insulation and sealing performance of a connection port comprises a PTC heating element body 1, a connection port 2 is arranged on one side of the front surface of the PTC heating element body 1, a plastic insulation layer 3 is arranged inside the connection port 2, a mounting frame 4 is fixedly connected to one side of the front surface of the PTC heating element body 1 close to the connection port 2, sliding grooves 5 are formed in two sides of the outer side wall of the mounting frame 4, a sealing plate 6 is slidably connected to the inner side wall of the sliding grooves 5, a through hole 7 is formed in the front surface of the sealing plate 6, a fixing plate 8 is welded to one side of the front surface of the sealing plate 6, two springs 9 are symmetrically welded between the fixing plate 8 and the adjacent side of the mounting frame 4, a connecting plate 10 is welded to the upper surface of the sealing plate 6, a connecting rod 11 is hinged to the top of the connecting plate 10, a pressing block 12 is hinged to the top of the connecting rod 11, the insulation layer 9 is arranged to drive the connecting plate 6 to slide on the inner side wall of the sliding grooves 5, when the connection plug of the connection port 2 and an external device is connected, the connection plug, the connection port 2 is pressed downwards to move, the pressing block 12 and push the two connecting rods 11, the connecting rod 10 respectively, the connecting plate 10 outwards, the connecting block 2 can be convenient to prevent the plug from entering the connection plug 2 and prevent the plug from entering the connection plug from the connection plug 2, and the plug from being damaged, and the plug can be convenient for preventing the plug from being damaged, and preventing the plug from entering the plug from being damaged, the plug, and preventing the plug from being damaged, the plug, and preventing the plug from being damaged, the normal use of the PTC heating component is effectively ensured.

In one embodiment: the upper surface welding of briquetting 12 has pull ring 13, is convenient for drive briquetting 12 through removing pull ring 13 and removes.

In one embodiment: the front surface of the PTC heating assembly body 1 is provided with a placing box 14 at one side far away from the connecting port 2, so that an insulating plug 15 can be conveniently placed.

In one embodiment: the inside of the placing box 14 is provided with an insulating plug 15, and when the PTC heating assembly body 1 is not connected to an external device, the insulating plug 15 can be inserted into the connection port 2 to prevent dust from entering the connection port 2, thereby further increasing the sealing performance of the connection port 2.

In one embodiment: the front surface of the insulating plug 15 is fixedly connected with a connecting block 16, so that the insulating plug 15 is driven to move by moving the connecting block 16.

In one embodiment: a box cover 17 is hinged to one side of the front surface of the placing box 14, and when the box cover 17 is closed, the insulating plug 15 can be protected inside, so that the insulating plug 15 is prevented from being lost.

In one embodiment: the fixing part of the lock catch 18 is installed on one side of the placing box 14, the movable part of the lock catch 18 is installed on one side of the box cover 17, the placing box 14 is connected with the box cover 17 through the lock catch 18, and the placing box 14 can be flexibly connected with the box cover 17 through the lock catch 18.

In one embodiment: a handle 19 is welded to one side of the front surface of the box cover 17 to facilitate opening and closing of the box cover 17.

The utility model discloses a theory of operation is: when the connection port 2 is connected with a connection plug of an external device, the pressing block 12 is pressed downwards, the pressing block 12 moves downwards and pushes the two connecting rods 11, the two connecting rods 11 respectively push the connecting plate 10 outwards, the connecting plate 10 moves outwards to drive the sealing plate 6 to move outwards, the spring 9 stretches, the connection port 2 is exposed, the connection of the connection plug and the connection port 2 is facilitated, the pressing block 12 is loosened after the connection is completed, the spring 9 shortens and pulls the fixing plate 8, the sealing plate 6 is close to each other to protect the connection plug and the connection port 2, dust is prevented from entering, the through hole 7 is convenient for a lead at the connection plug end to pass through, and the electric leakage phenomenon can be effectively prevented by virtue of the plastic insulating layer 3, so that the connection port 2 has good insulating and sealing performance, the dust is prevented from entering the connection port 2, the electric leakage phenomenon is avoided, and the normal use of the PTC heating assembly is effectively ensured; when the PTC heating element body 1 is not connected to an external device, the insulating plug 15 can be inserted into the connection port 2 to prevent dust from entering the connection port 2, thereby further increasing the sealing performance of the connection port 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PTC heating element that insulating leakproofness of connection port is good, includes PTC heating element body (1), its characterized in that: the PTC heating element comprises a PTC heating element body (1), wherein a connecting port (2) is arranged on one side of the front surface of the PTC heating element body (1), a plastic insulating layer (3) is arranged inside the connecting port (2), the front surface of the PTC heating element body (1) is close to a mounting frame (4) fixedly connected with one side of the connecting port (2), a sliding groove (5) is formed in the two sides of the outer side wall of the mounting frame (4), a sealing plate (6) is slidably connected to the inner side wall of the sliding groove (5), a through hole (7) is formed in the front surface of the sealing plate (6), a fixing plate (8) is welded on one side of the front surface of the sealing plate (6), two springs (9) are symmetrically welded between the fixing plate (8) and the adjacent side of the mounting frame (4), a connecting plate (10) is welded on the upper surface of the sealing plate (6), a connecting rod (11) is hinged to the top of the connecting plate (10), and a pressing block (12) is hinged to the top of the connecting rod (11).

2. A PTC heating element with good insulation and sealing performance for a connection port according to claim 1, wherein: and a pull ring (13) is welded on the upper surface of the pressing block (12).

3. The PTC heating element with good insulation and sealing performance of the connecting port according to claim 1, wherein: a placing box (14) is installed on one side, away from the connecting port (2), of the front surface of the PTC heating component body (1).

4. A PTC heating element with good insulation and sealing performance for a connection port according to claim 3, wherein: an insulating plug (15) is arranged in the placing box (14).

5. The PTC heating element with good insulation and sealing performance of the connection port according to claim 4, wherein: the front surface of the insulating plug (15) is fixedly connected with a connecting block (16).

6. A PTC heating element with good insulation and sealing performance for a connection port according to claim 3, wherein: one side of the front surface of the placing box (14) is hinged with a box cover (17).

7. A PTC heating element with good insulation and sealing performance for connecting port according to claim 6, wherein: the fixed part of hasp (18) is installed to the one side of placing box (14), the movable part of hasp (18) is installed to one side of lid (17), it is connected through hasp (18) with lid (17) to place box (14).

8. A PTC heating element with good insulation and sealing performance for connecting port according to claim 6, wherein: a handle (19) is welded on one side of the front surface of the box cover (17).