CN214624877U

CN214624877U - Integral sealed thermal protector

Info

Publication number: CN214624877U
Application number: CN202120779867.7U
Authority: CN
Inventors: 苏伟锋
Original assignee: Changzhou Clever Electronics Co ltd
Current assignee: Changzhou Clever Electronics Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-05
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an integral sealed thermal protector, which comprises a protector shell, wherein the protector shell adopts a sealed cylindrical structure, binding posts are arranged outside the two ends of the protector shell, conductive plates are arranged inside the two ends of the protector shell, and the binding posts are connected with the conductive plates; one side of current conducting plate is provided with the guide arm, and the opposite side of current conducting plate is provided with the insulator spindle, and the both ends of guide arm and the both ends of insulator spindle are connected, and the junction passes two current conducting plates, and the both ends of guide arm still are provided with touches the ball, and the current conducting plate surface is located and touches ball department and be provided with spherical groove, touches the ball attached at spherical inslot, and the insulator spindle passes through branch and connects the inner wall at the protector shell, the utility model is suitable for a hot protector, the device is when using, and the effect through the cold shrink pole of thermal expansion guides the break-make of circuit in a sealed environment, reaches protection circuit's effect, and this kind of sealed protector protection effect is better.

Description

Integral sealed thermal protector

Technical Field

The utility model belongs to the technical field of hot protector, specifically a whole sealed hot protector.

Background

Thermal protectors are widely used in electric tools such as motors and ballasts, and with the continuous improvement of the technical level of the tools, the demand for the thermal protectors is higher and higher;

the existing thermal protector is simple in structure, relatively general in sealing effect, insufficient in use safety, relatively general in protection effect and difficult to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a whole sealed thermal protector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integral sealed thermal protector comprises a protector shell, wherein the protector shell is of a sealed cylindrical structure, binding posts are arranged outside two ends of the protector shell, conductive plates are arranged inside two ends of the protector shell, and the binding posts are connected with the conductive plates;

one side of current conducting plate is provided with the guide arm, the opposite side of current conducting plate is provided with the insulator spindle, the both ends of guide arm with the both ends of insulator spindle are connected, and the junction passes two the current conducting plate, the both ends of guide arm still are provided with touches the ball, the current conducting plate surface is located it is provided with spherical groove to touch ball department, it is attached to touch the ball in the spherical groove, the insulator spindle passes through branch and connects the inner wall of protector shell.

Preferably, the guide rod and the insulating rod are of a U-shaped structure.

Preferably, the middle part of branch is provided with the thermal expansion cold contraction pole, branch is provided with a plurality ofly altogether, and is a plurality of branch equidistance distributes, the sleeve pipe is installed to the one end of branch, the sleeve pipe cup joints on the insulator spindle.

Preferably, the inner wall of the protector shell is sleeved with a heat conduction ring, and the heat conduction ring is located in the middle of the protector shell.

Preferably, the inner diameter of the heat conduction ring is consistent with the inner diameter of the protector shell.

Preferably, port protection covers are further fixed to the outer portions of the two ends of the protector shell through bolts, and sealing jackets are nested on the surfaces of the port protection covers.

Preferably, the two ends of the protector shell are positioned outside the wiring terminal and sleeved with insulating sealing sleeves.

In the utility model, when the device is used, the on-off of the circuit is guided in a sealed environment through the action of the thermal expansion and cold shrinkage rod, so that the effect of protecting the circuit is achieved, the sealed protector has better protection effect, and the two ends of the protector shell are positioned outside the binding post and are sleeved with the insulating sealing sleeves, so that the internal sealing performance of the protector shell can be ensured to be higher, and the safety of the device is improved;

the utility model discloses in, the both ends outside of protector shell still has the port protection casing through the bolt fastening, and port protection casing surface nestification has sealed the cover that presss from both sides, can protect the terminal through the port protection casing to make the terminal can not receive external environment's influence, make the device's security higher.

Drawings

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

fig. 2 is a schematic vertical cross-section of the protector housing according to the present invention.

Reference numerals: 1. a guide bar; 2. contacting the ball; 3. a conductive plate; 4. a binding post; 5. a port shield; 6. sealing the jacket; 7. an insulating sealing sleeve; 8. a protector housing; 9. a sleeve; 10. a strut; 11. hot expansion and cold shrinkage of the rod; 12. a heat conducting ring; 13. an insulating rod.

Detailed Description

The following further describes an embodiment of an integrally sealed thermal protector according to the present invention with reference to fig. 1-2. The present invention is not limited to the description of the following embodiments.

Example 1:

the embodiment provides a specific structure of an integral sealed thermal protector, as shown in fig. 1-2, which includes a protector housing 8, the protector housing 8 is of a sealed cylindrical structure, terminals 4 are installed outside two ends of the protector housing 8, current-conducting plates 3 are installed inside two ends of the protector housing 8, and the terminals 4 are connected with the current-conducting plates 3;

one side of current conducting plate 3 is provided with guide arm 1, and the opposite side of current conducting plate 3 is provided with insulator spindle 13, and the both ends of guide arm 1 and the both ends of insulator spindle 13 are connected, and the junction passes two current conducting plates 3, and the both ends of guide arm 1 still are provided with

touches ball

2, and 3 surfaces of current conducting plate are located and touch ball 2 and locate to be provided with spherical groove, touch ball 2 and attach in spherical groove, and insulator spindle 13 passes through branch 10 and connects the inner wall at protector shell 8.

The guide rod 1 and the insulating rod 13 adopt a U-shaped structure.

The middle part of branch 10 is provided with thermal expansion cold shrinkage pole 11, and branch 10 is provided with a plurality ofly altogether, and a plurality of branches 10 equidistance distribute, and sleeve pipe 9 is installed to the one end of branch 10, and sleeve pipe 9 cup joints on the insulator spindle 13.

By adopting the technical scheme:

the device is when using, at first through terminal 4 connecting wire, when the device is in normal condition, when the inside temperature of protector shell 8 is below setting for the temperature promptly, the cold shrink pole of thermal expansion 11 is in the shrink state, pulling guide arm 1 moves down, make the inner wall of spherical groove on the current conducting plate 3 of closely laminating of the ball 2 that touches at guide arm 1 both ends, make two current conducting plates 3 switch on, the circuit is in on-state, and when protector shell 8 is heated, when the temperature of being heated surpasses and sets for the threshold value, the cold shrink pole of thermal expansion 11 is heated the inflation, promote insulator spindle 13 and remove to one side of guide arm 1, thereby it breaks away from the inner wall of spherical groove on the current conducting plate 3 to push movable ball 2, make two 3 disconnect connections, thereby reach protection circuit's effect, this kind of sealed protector protection effect is better.

Example 2:

the embodiment provides a specific structure of an integral sealed thermal protector, as shown in fig. 1-2, a heat conducting ring 12 is sleeved on the inner wall of a protector shell 8, the heat conducting ring 12 is located in the middle of the protector shell 8, heat in the external environment can be rapidly conducted to the inside of the protector shell 8 through the heat conducting ring 12, and the thermal expansion and contraction rod 11 inside the protector shell 8 is enabled to react more sensitively.

The inner diameter of the heat-conducting ring 12 corresponds to the inner diameter of the protector housing 8.

The outer portions of two ends of the protector shell 8 are further fixed with port protection covers 5 through bolts, and sealing jackets 6 are nested on the surfaces of the port protection covers 5.

And two ends of the protector shell 8 are positioned outside the wiring terminal 4 and are sleeved with insulating sealing sleeves 7.

By adopting the technical scheme:

the both ends outside of protector shell 8 still has port protection casing 5 through the bolt fastening, 5 surface nestings of port protection casing have seal jacket 6, can protect terminal 4 through port protection casing 5, thereby make terminal 4 can not receive external environment's influence, make the device's security higher, and the insulating seal cover 7 has been cup jointed in the outside that the both ends of protector shell 8 are located terminal 4, can guarantee like this that the inside leakproofness of protector shell 8 is higher, the security of device has further been promoted.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An integrally sealed thermal protector comprising a protector housing (8), characterized in that: the protector shell (8) is of a sealed cylindrical structure, binding posts (4) are mounted outside two ends of the protector shell (8), conductive plates (3) are mounted inside two ends of the protector shell (8), and the binding posts (4) are connected with the conductive plates (3);

one side of current conducting plate (3) is provided with guide arm (1), the opposite side of current conducting plate (3) is provided with insulator spindle (13), the both ends of guide arm (1) with the both ends of insulator spindle (13) are connected, and the junction passes two current conducting plate (3), the both ends of guide arm (1) still are provided with touches ball (2), current conducting plate (3) surface is located it is provided with spherical groove to touch ball (2) department, it is attached to touch ball (2) in the spherical groove, insulator spindle (13) are connected through branch (10) the inner wall of protector shell (8).

2. An integrally sealed thermal protector according to claim 1 wherein: the guide rod (1) and the insulating rod (13) adopt U-shaped structures.

3. An integrally sealed thermal protector according to claim 1 wherein: the middle part of branch (10) is provided with thermal expansion cold contraction pole (11), branch (10) are provided with a plurality ofly altogether, and are a plurality of branch (10) equidistance distributes, sleeve pipe (9) are installed to the one end of branch (10), sleeve pipe (9) cup joint on insulator spindle (13).

4. An integrally sealed thermal protector according to claim 1 wherein: the inner wall of the protector shell (8) is sleeved with a heat conduction ring (12), and the heat conduction ring (12) is located in the middle of the protector shell (8).

5. An integrally sealed thermal protector according to claim 4 in which: the inner diameter of the heat conducting ring (12) is consistent with the inner diameter of the protector shell (8).

6. An integrally sealed thermal protector according to claim 1 wherein: the outer portions of two ends of the protector shell (8) are further fixed with port protective covers (5) through bolts, and sealing jackets (6) are nested on the surfaces of the port protective covers (5).

7. An integrally sealed thermal protector according to claim 1 wherein: and the two ends of the protector shell (8) are positioned outside the wiring terminal (4) and are sleeved with insulating sealing sleeves (7).