CN115621080B

CN115621080B - Current temperature thermal protector with manual reset function

Info

Publication number: CN115621080B
Application number: CN202211619959.4A
Authority: CN
Inventors: 林丽君; 林佩珊
Original assignee: Suyuan Electric Quanzhou Co ltd
Current assignee: Xiamen Best Selling Electromechanical Equipment Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-14
Anticipated expiration: 2042-12-16
Also published as: CN115621080A

Abstract

The invention relates to the technical field of emergency protection devices, in particular to a current temperature thermal protector with a manual reset function. The invention provides a current temperature thermal protector which is prevented from being touched by mistake and is convenient to disassemble and assemble and has a manual reset function. A current temperature thermal protector with a manual reset function comprises a base, a limit frame, a thermal protector body, an alloy sheet and the like; the base front side is connected with spacing frame, and the joint has the hot protector body in the spacing frame, and hot protector body in-connection has two alloy pieces. The fixing frame on two sides is used for clamping and fixing the thermal protector body, so that workers can detach and install the thermal protector body more conveniently, the protective frame can shield the thermal manual reset assembly and the fixing mechanism, and the manual reset assembly is prevented from being touched by mistake.

Description

Current temperature thermal protector with manual reset function

Technical Field

The invention relates to the technical field of emergency protection devices, in particular to a current temperature thermal protector with a manual reset function.

Background

The thermal protector can also be called a temperature control switch and is used for carrying out overheat protection on the equipment, cutting off the operation of the equipment when the current temperature exceeds a certain threshold value and playing a control and protection function on the equipment. Thermal protectors are widely used in electrical appliances such as fuel-fired electric motors, waste food processors, conveyor belts, refrigerators, electric washing machines, and the like.

Patent with patent grant publication number CN113130256a discloses a current temperature thermal protector with manual reset function, this thermal protector includes: the device comprises an upper shell and a lower shell, wherein the upper shell is connected with the lower shell in a clamping manner, the lower shell is provided with a first connecting seat and a second connecting seat which are arranged at intervals, the second connecting seat is provided with a static contact, the device also comprises a conductive piece, one end of the conductive piece is electrically connected with the second connecting seat, the other end of the conductive piece is abutted against the static contact through a movable contact, and the conductive piece is provided with an elastic protection piece so that when the current or the temperature exceeds a threshold value, the elastic protection piece drives the conductive piece to move, so that the movable contact is far away from the static contact and reaches a tripping state; be equipped with the manual piece that resets on the casing down, the one end and the electrically conductive butt of piece that manually resets, the other end wears to locate down on the casing and wear out the predetermined distance for the elasticity protection piece and the electrically conductive piece that trip the state reset. But this hot protector does not possess safeguard function, and manual piece that resets is the naked setting in the device lower part of protruding form, is touched by the mistake very easily, and this hot protector also is not convenient for dismantle the installation, and when overhauing equipment, it is comparatively troublesome to operate.

Therefore, the current temperature thermal protector with the manual reset function is provided, which is capable of preventing mistaken touch and is convenient to disassemble and assemble.

Disclosure of Invention

In order to overcome the defects that the conventional thermal protector does not have the function of preventing mistaken touch and is not convenient to disassemble and assemble, the invention provides the current temperature thermal protector with the manual reset function, which is capable of preventing mistaken touch and is convenient to disassemble and assemble.

The utility model provides a hot protector of electric current temperature with manual reset function, the on-line screen storage device comprises a base, spacing frame, hot protector body, the alloy piece, fixed establishment, protection machanism and manual reset assembly, the base front side is connected with spacing frame, the joint has hot protector body in the spacing frame, this internal connection of hot protector has two alloy pieces, be equipped with on the base and carry out spacing fixed establishment to the hot protector body left and right sides simultaneously, be equipped with manual reset assembly between fixed establishment and the alloy piece, be equipped with the protection machanism who prevents mistake touch manual reset assembly on the base, protection machanism is including protection frame and screens subassembly, base upper portion rotary type is connected with the protection frame, be equipped with the screens subassembly on the protection frame, protect including sheltering from manual reset assembly and fixed machanism after the protection frame rotates downwards, screens subassembly and the fixed protection frame of base lower part cooperation.

In addition, it is especially preferred that the protection frame middle part is hollow setting for to the basic maintenance of hot protector body, the protection frame antetheca left and right sides extends there is the horizontal plate, is used for sheltering from manual reset subassembly.

In addition, it is especially preferred that the fixing mechanism comprises sliding blocks, a bidirectional screw rod, handles and a fixing frame, wherein the sliding blocks are symmetrically connected to the left and right sides of the upper and lower sides of the base in a sliding manner, the bidirectional screw rod is rotatably connected to the upper portion of the base, the sliding blocks on the upper portion are connected with the bidirectional screw rod through threads, the handles are connected to the left and right sides of the bidirectional screw rod, the fixing frame is connected between the upper and lower sliding blocks on the left side and the right side, the bidirectional screw rod is controlled to rotate to drive the sliding blocks to move towards the direction away from each other, and the fixing frame moves backwards to loosen the thermal protector body.

In addition, it is especially preferred that manual reset subassembly is including slider and connecting plate, and all sliding type be connected with the slider on the mount, is connected with the connecting plate between two alloy piece upper portions, and both ends insert in the slider respectively about the connecting plate, and the crooked outage of alloy piece drives the connecting plate and moves the outage downwards, and the staff drives the connecting plate rebound through promoting the slider upwards to slide for manual control alloy piece resets the circular telegram.

In addition, especially preferred is, screens subassembly including cardboard and first spring, protective frame lower part sliding type be connected with base lower part complex cardboard, first spring fixed connection between cardboard upper portion and protective frame lower part, promote downwards the cardboard and break away from the protective frame after, upwards rotate and open the protective frame and dismantle hot protector body.

In addition, especially preferred is, still including being used for controlling the slide mechanism that the alloy piece resets outside the protective frame, slide mechanism is including sliding plate and contact rod, and the protective frame left and right sides all is connected with the sliding plate in a sliding manner, and the sliding plate inboard all is connected with the contact rod with the slider contact, and in the contact rod stretched into the protective frame, the sliding plate slided upwards promoted the slider through the contact rod and upwards slided, at the protective frame outside operation control alloy piece.

In addition, especially preferred, still including being used for carrying out the sealing mechanism sealed to the protection frame inside, sealing mechanism is including sealed frame, torsion spring, the installation pole, fixture block and second spring, protection frame upper portion rotary type is connected with sealed frame, sealed frame middle part is connected with transparent observation window, sealed frame is used for sealing to the protection frame is inside, the equal fixed connection of torsion spring is between sealed frame and protection frame, protection frame right side sub-unit connection has the installation pole, the sliding type is connected with the fixture block that is used for blocking sealed frame on the installation pole, torsion spring is in deformation state, second spring fixed connection is between fixture block and installation pole, sealed frame rotates downwards, the fixture block slides left and blocks sealed frame and carries out whole protection to the thermal protector body.

In addition, it is particularly preferable that the thermal protector further comprises a rotating mechanism for automatically loosening the thermal protector body, the rotating mechanism comprises a gear, a rack, an installation block, an L-shaped rod, a third spring, a connecting block and a telescopic rod, the gear is connected to the right position of the bidirectional screw rod, the upper right portion of the base is slidably connected with the rack meshed with the gear, the upper right portion of the base is connected with the installation block, the installation block is located below the right side of the rack, the installation block is slidably connected with the L-shaped rod, the upper portion of the L-shaped rod is connected with the rack, the third spring is fixedly connected between the L-shaped rod and the installation block, the upper right portion of the base is slidably connected with the connecting block connected with the lower portion of the L-shaped rod, the lower portion of the connecting block is rotatably connected with the telescopic rod, the tail end of the telescopic rod is rotatably connected with the upper right portion of the protective frame, the protective frame rotates upwards through the telescopic rod to pull the connecting block, the connecting block drives the rack to slide upwards through the L-shaped rod, the gear drives the bidirectional screw rod to rotate, and the fixing frame is controlled to automatically loosen the thermal protector body.

In addition, especially preferred is still including being used for the wiring mechanism of fixed connection electric wire, and the wiring mechanism includes spacing, clamp splice and fourth spring, and both sides all are connected with two spacing about the base, all sliding type connection has the clamp splice that is used for cliping the connecting wire on the spacing, and the equal fixed connection of fourth spring is between clamp splice and adjacent spacing.

The invention has the following advantages: 1. the fixing frame on two sides is used for clamping and fixing the thermal protector body, so that workers can detach and install the thermal protector body more conveniently, the protective frame can shield the thermal manual reset assembly and the fixing mechanism, and the manual reset assembly is prevented from being touched by mistake.

2. The sliding plate slides upwards, the sliding plate can extrude the sliding block to slide upwards through the contact rod, and then the alloy sheet is controlled to reset and be electrified outside the protective frame, so that the alloy sheet is more convenient for people to use, and meanwhile, the sliding plate and the left side and the right side of the protective frame are arranged in a laminating manner, so that the situation of mistaken touch can be effectively avoided.

3. The sealing frame can seal the inside of the protective frame, integrally protects the protector body, and can be opened alone to operate when the heat exchange protector body is not needed to be overhauled.

4. When the protective frame upwards rotates, the connecting block can be upwards slid, the driving rack upwards slides, the gear drives the two-way screw rod to rotate, the fixing frame is controlled to loosen the thermal protector body, and therefore the fixing frame can be automatically moved backwards to loosen the thermal protector body when the protective frame is opened.

5. The connecting wire can be carried with spacing cooperation to the clamp splice, carries on spacingly to connecting wire, avoids when hot protector body dismouting, and the connecting wire confusion leads to the wiring mistake.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of the base, the limiting frame and the thermal protector body according to the present invention.

Fig. 4 is a schematic cross-sectional view of the thermal protector body and the alloy sheet of the present invention.

Fig. 5 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the protection mechanism of the present invention.

Fig. 7 is a partial perspective view of the protection mechanism of the present invention.

Fig. 8 is a schematic perspective view of the sliding mechanism of the present invention.

Fig. 9 is a schematic perspective view of the sealing mechanism of the present invention.

Fig. 10 is an enlarged schematic view of part a of the present invention.

Fig. 11 is a partial perspective view of the sealing mechanism of the present invention.

Fig. 12 is a schematic perspective view of the rotating mechanism of the present invention.

Fig. 13 is a partial perspective view of the rotating mechanism of the present invention.

Fig. 14 is a schematic perspective view of a first wiring mechanism of the present invention.

Fig. 15 is a schematic perspective view of a second wiring mechanism of the present invention.

In the reference symbols: 1-base, 2-limit frame, 3-thermal protector body, 4-alloy sheet, 5-fixing mechanism, 51-sliding block, 52-bidirectional screw rod, 53-handle, 54-fixing frame, 55-sliding block, 56-connecting plate, 6-protecting mechanism, 61-protecting frame, 62-clamping plate, 63-first spring, 7-sliding mechanism, 71-sliding plate, 72-contact rod, 8-sealing mechanism, 81-sealing frame, 82-torsion spring, 83-mounting rod, 84-clamping block, 85-second spring, 9-rotating mechanism, 91-gear, 92-rack, 93-mounting block, 94-L-shaped rod, 95-third spring, 96-connecting block, 97-telescopic rod, 10-wiring mechanism, 101-limit frame, 102-clamping block, 103-fourth spring.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

The utility model provides a hot protector of electric current temperature with manual reset function, as shown in fig. 1-7, including base 1, spacing frame 2, hot protector body 3, alloy piece 4, the manual reset subassembly, fixed establishment 5 and protection machanism 6, base 1 front side welded is connected with spacing frame 2, the joint has hot protector body 3 in the

spacing frame

2, 3 in-connection of hot protector body has two alloy pieces 4, be equipped with fixed establishment 5 on the base 1, fixed establishment 5 can the fixed hot protector body 3 of chucking, be equipped with protection machanism 6 on the base 1, protection machanism 6 can protect hot protector body 3 and fixed establishment 5, avoid the mistake to touch the condition and take place, be equipped with the manual reset subassembly between fixed establishment 5 and the alloy piece 4.

When using the device, thermal protector body 3 is electrically conductive through alloy piece 4, after the electric current temperature is too high, alloy piece 4 inflation takes place the bending, contact on 4 upper portions of alloy piece and the interior upper portion of thermal protector body 3 breaks away from the outage, after the outage, accessible manual reset subassembly drives alloy piece 4 and resets, this device resumes the circular telegram this moment, in this device use, protection machanism 6 can protect thermal protector body 3 and manual reset subassembly, avoid manual reset subassembly to be touched by the mistake, when needs are dismantled thermal protector body 3, the staff opens protection machanism 6, re-control fixed establishment 5 loosens thermal protector body 3, at this moment, thermal protector body 3 alright follow spacing frame 2 and pull down, after thermal protector body 3 installed back on spacing frame 2, the staff passes through fixed establishment 5 and fixes thermal protector body 3 chucking, reclosure protection machanism 6.

As shown in fig. 1, 2 and 5, the fixing mechanism 5 includes sliding blocks 51, a bidirectional screw rod 52, a handle 53 and a fixing frame 54, the sliding blocks 51 are symmetrically connected to the left and right sides of the upper and lower sides of the base 1, the bidirectional screw rod 52 is rotatably connected to the upper portion of the base 1, the sliding blocks 51 on the upper portion are connected to the bidirectional screw rod 52 through threads, the handles 53 are welded to the left and right sides of the bidirectional screw rod 52, the fixing frame 54 is connected between the upper and lower sliding blocks 51 on the left, upper and lower sides and the right, and the fixing frame 54 can clamp and fix the thermal protector body 3.

As shown in fig. 5, the manual reset assembly includes a sliding block 55 and a connecting plate 56, the sliding block 55 is slidably connected to the fixing frame 54, the connecting plate 56 is connected between the upper portions of the two alloy sheets 4, and the left and right ends of the connecting plate 56 are respectively inserted into the sliding block 55.

When the thermal protector body 3 needs to be disassembled and replaced, a worker opens the protection mechanism 6 first, then the worker rotates the handle 53, the handle 53 rotates to drive the bidirectional screw rod 52 to rotate, the bidirectional screw rod 52 rotates to drive the two upper sliding blocks 51 to slide backwards, the two upper sliding blocks 51 slide backwards to drive the fixing frame 54 to move backwards, the fixing frame 54 moves backwards to drive the two lower sliding blocks 51 to slide backwards, the fixing frame 54 does not block the thermal protector body 3 any more after moving backwards, the fixing frame 54 moves backwards to drive the sliding blocks 55 to move backwards while driving the sliding blocks 55 to move backwards, the sliding blocks 55 are separated from the connecting plate 56 after moving backwards, at this time, the worker can disassemble and replace the thermal protector body 3, after the replacement is completed, the worker drives the clamping bidirectional screw rod 52 to rotate backwards through the handle 53, the bidirectional screw rod 52 rotates backwards to drive the two upper sliding blocks 51 to slide backwards, the fixing frame 54 is driven to move backwards to clamp the thermal protector body 3 again, the fixing frame 54 drives the sliding blocks 55 to move backwards, so that the connecting plate 56 is clamped in the sliding blocks 55 to move backwards, when the alloy sheet 4 is bent and power off, the thermal protector body can be conveniently disassembled, and the thermal protector body can be disassembled, and the thermal protector can be conveniently disassembled by the manual reset protector body 3, and the thermal protector body can be disassembled.

As shown in fig. 1, 2, 6 and 7, the protection mechanism 6 includes a protection frame 61, a catch plate 62 and a first spring 63, the protection frame 61 is rotatably connected to the upper portion of the base 1, the protection frame 61 can shield and protect the thermal protector body 3 and the fixing mechanism 5, the catch plate 62 matched with the lower portion of the base 1 is slidably connected to the lower portion of the protection frame 61, and the first spring 63 is fixedly connected between the upper portion of the catch plate 62 and the lower portion of the protection frame 61.

When hot protector body 3 is dismantled to needs, the staff promotes cardboard 62 and slides down, first spring 63 takes place deformation, cardboard 62 no longer blocks the base 1 lower part after sliding down, at this moment, the staff alright promote protecting frame 61 and upwards rotate and open, protecting frame 61 upwards rotates and opens the back, the staff alright dismantle hot protector body 3, after hot protector body 3 has been installed, the staff promotes protecting frame 61 and rotates downwards and closes, then loosen cardboard 62, under the effect that first spring 63 resets, cardboard 62 upwards slides thereupon and resets and blocks base 1, and then the position of fixed protecting frame 61, protecting frame 61 can protect hot protector body 3 and fixed establishment 5, can avoid fixed establishment 5 to be touched by the mistake.

Example 2

In addition to embodiment 1, as shown in fig. 1, 2 and 8, the alloy sheet protection device further includes a sliding mechanism 7, the sliding mechanism 7 can control the alloy sheet 4 to return outside the protection frame 61, the sliding mechanism 7 includes a sliding plate 71 and a contact rod 72, the sliding plate 71 is slidably connected to both the left and right sides of the protection frame 61, the contact rod 72 in contact with the sliding block 55 is connected to both the inner sides of the sliding plate 71, and the contact rod 72 extends into the protection frame 61.

When using the device, can extrude contact lever 72 downstream when slider 55 glides downwards, contact lever 72 downstream drives sliding plate 71 downslide, when control equipment resumes the circular telegram as required, the staff can directly promote sliding plate 71 and upwards slide, sliding plate 71 upwards slides and drives contact lever 72 rebound, contact lever 72 upwards moves and promotes slider 55 and upwards slides, and then control alloy piece 4 and reset in the protective frame 61 outside, more make things convenient for people to use, and simultaneously, because sliding plate 71 and protective frame 61 left and right sides set up for the laminating, can effectively avoid the mistake to touch the condition and take place.

As shown in fig. 1, fig. 2, fig. 9, fig. 10 and fig. 11, the thermal protector further includes a sealing mechanism 8, the sealing mechanism 8 can seal the inside of the protection frame 61, the sealing mechanism 8 includes a sealing frame 81, a torsion spring 82, an installation rod 83, a fixture block 84 and a second spring 85, the sealing frame 81 is rotatably connected to the upper portion of the protection frame 61, a transparent observation window is connected to the middle portion of the sealing frame 81, the sealing frame 81 can seal the inside of the protection frame 61, the thermal protector body 3 is integrally protected, the two torsion springs 82 are both fixedly connected between the sealing frame 81 and the protection frame 61, the installation rod 83 is welded to the lower right portion of the protection frame 61, the fixture block 84 is slidably connected to the installation rod 83, the fixture block 84 can clamp the sealing frame 81, the torsion spring 82 is in a deformation state, and the second spring 85 is fixedly connected between the fixture block 84 and the installation rod 83.

In this device use, the condition of hot protector body 3 is looked over to staff's permeable observation window, carry out basic maintenance to hot protector body 3 when needs, need not to dismantle when changing, the staff only needs to promote fixture block 84 and slides right on installation pole 83, second spring 85 takes place deformation, fixture block 84 no longer blocks sealing frame 81 after sliding right, at this moment, under the effect that torsion spring 82 resets, sealing frame 81 upwards rotates thereupon and opens, so that the staff overhauls hot protector body 3, after the maintenance is accomplished, the staff promotes sealing frame 81 and downwards rotates and closes, torsion spring 82 takes place deformation, sealing frame 81 downwards rotates and closes the back, the staff loosens fixture block 84, under the effect that second spring 85 resets, fixture block 84 slides left thereupon and blocks sealing frame 81 again, at this moment, the inside closed condition that is in of protection frame 61, wholly protect hot protector body 3, when needs dismantle hot protector body 3, the staff reopens protection mechanism 6.

As shown in fig. 2, 12 and 13, the thermal protector further comprises a rotating mechanism 9, the rotating mechanism 9 can automatically loosen the thermal protector body 3, the rotating mechanism 9 comprises a gear 91, a rack 92, an installation block 93, an L-shaped rod 94, a third spring 95, a connection block 96 and an expansion link 97, the gear 91 is connected to the right position of the bidirectional screw rod 52 in a key manner, the rack 92 connected with the inner core of the gear 91 is slidably connected to the upper right portion of the base 1, the installation block 93 is welded to the upper right portion of the base 1, the installation block 93 is located at the lower right side of the rack 92, the L-shaped rod 94 is slidably connected in the installation block 93, the upper portion of the L-shaped rod 94 is connected to the rack 92, the third spring 95 is fixedly connected between the L-shaped rod 94 and the installation block 93, the upper right portion of the base 1 is slidably connected to the connection block 96 connected to the lower portion of the L-shaped rod 94, the rotary type expansion link 97 is connected to the lower end of the lower portion of the connection block 96, and the expansion link 97 is rotatably connected to the upper right portion of the protection frame 61.

When the protection frame 61 rotates upwards, the expansion link 97 rotates upwards along with the protection frame, the expansion link 97 extends while rotating upwards, after the expansion link 97 extends to a certain distance, the protection frame 61 continues to rotate upwards to drive the connecting block 96 to slide upwards through the expansion link 97, the connecting block 96 slides upwards to drive the L-shaped rod 94 to slide upwards, the third spring 95 deforms, the L-shaped rod 94 slides upwards to drive the rack 92 to slide upwards, the rack 92 slides upwards to drive the gear 91 to rotate, the gear 91 rotates to drive the bidirectional screw rod 52 to rotate, so that the fixing frame 54 moves backwards to release the thermal protector body 3, when the protection frame 61 rotates downwards, under the reset effect of the third spring 95, the L-shaped rod 94 slides downwards along with the L-shaped rod 94 to drive the rack 92 to slide downwards, the rack 92 slides downwards to drive the gear 91 to rotate backwards, the gear 91 rotates backwards to drive the bidirectional screw rod 52 to rotate backwards, so that the fixing frame 54 moves oppositely to clamp and fix the thermal protector body 3,L to slide downwards to release the thermal protector body 54, and the thermal protector body 54 can be automatically released when the protection frame 61 moves downwards.

As shown in fig. 1, fig. 2, fig. 14 and fig. 15, the wire connection structure further includes a wire connection mechanism 10, the wire connection mechanism 10 can fixedly connect an electric wire, the wire connection mechanism 10 includes a limiting frame 101, clamping blocks 102 and fourth springs 103, two limiting frames 101 are welded on the upper side and the lower side of the base 1, the clamping blocks 102 are connected on the limiting frames 101 in a sliding manner, the clamping blocks 102 can clamp the connection electric wire, and the four fourth springs 103 are fixedly connected between the clamping blocks 102 and the adjacent limiting frames 101.

When using the device, the staff draws clamp splice 102 and slides forward and opens, and deformation takes place for fourth spring 103, and the staff penetrates clamp splice 102 and spacing 101 with the connecting wire on the hot protector body 3, then loosens clamp splice 102 again, and under the effect that fourth spring 103 resets, clamp splice 102 slides backward thereupon and resets and carry connecting wire, carries on spacingly to connecting wire, avoids when the dismouting of hot protector body 3, and the connecting wire confusion leads to the wiring mistake.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. The utility model provides a hot protector of electric current temperature with manual reset function, is connected with spacing frame (2) including base (1), spacing frame (2), hot protector body (3) and alloy piece (4) base (1) front side, and the joint has hot protector body (3) in spacing frame (2), and hot protector body (3) in-connection has two alloy pieces (4), characterized by: the hot protector is characterized by further comprising a fixing mechanism (5), a protection mechanism (6) and a manual reset assembly, wherein the fixing mechanism (5) for limiting the left side and the right side of the hot protector body (3) simultaneously is arranged on the base (1), the manual reset assembly is arranged between the fixing mechanism (5) and the alloy sheet (4), the protection mechanism (6) for preventing the manual reset assembly from being touched by mistake is arranged on the base (1), the protection mechanism (6) comprises a protection frame (61) and a clamping assembly, the upper portion of the base (1) is rotatably connected with the protection frame (61), the clamping assembly is arranged on the protection frame (61), the protection frame (61) shields the manual reset assembly and the fixing mechanism (5) for protection after rotating downwards, and the clamping assembly is matched with the lower portion of the base (1) to fix the protection frame (61);

the middle part of the protective frame (61) is hollow and used for basic maintenance of the thermal protector body (3), and horizontal plates are extended from the left side and the right side of the front wall of the protective frame (61) and used for shielding the manual reset assembly;

the fixing mechanism (5) comprises sliding blocks (51), a bidirectional screw rod (52), handles (53) and a fixing frame (54), the sliding blocks (51) are symmetrically connected to the left and right sides of the upper side and the lower side of the base (1) in a sliding mode, the bidirectional screw rod (52) is rotatably connected to the upper portion of the base (1), the sliding blocks (51) on the upper portion are connected with the bidirectional screw rod (52) through threads, the handles (53) are connected to the left and right sides of the bidirectional screw rod (52), the fixing frame (54) is connected between the upper sliding blocks (51) on the left side, the lower sliding blocks (51) on the right side, the bidirectional screw rod (52) is controlled to rotate to drive the sliding blocks (51) to move towards the direction away from each other, and the fixing frame (54) moves backwards to loosen the thermal protector body (3);

the manual reset assembly comprises a sliding block (55) and a connecting plate (56), the sliding block (55) is connected to the fixing frame (54) in a sliding mode, the connecting plate (56) is connected between the upper portions of the two alloy sheets (4), the left end and the right end of the connecting plate (56) are respectively inserted into the sliding block (55), the alloy sheets (4) are bent to be powered off to drive the connecting plate (56) to move downwards to be powered off, and a worker drives the connecting plate (56) to move upwards by pushing the sliding block (55) to slide upwards to manually control the alloy sheets (4) to reset and be powered on.

2. A current temperature thermal protector with manual reset function according to claim 1, wherein: the screens subassembly is including cardboard (62) and first spring (63), and protective frame (61) lower part sliding type be connected with base (1) lower part complex cardboard (62), first spring (63) fixed connection between cardboard (62) upper portion and protective frame (61) lower part, promote cardboard (62) downwards and break away from protective frame (61) back, upwards rotate and open protective frame (61) and dismantle hot protector body (3).

3. A current temperature thermal protector with manual reset function according to claim 1, wherein: still including being used for at slide mechanism (7) that protective frame (61) outside control alloy piece (4) reset, slide mechanism (7) are including sliding plate (71) and contact lever (72), protective frame (61) left and right sides two all sliding connection have sliding plate (71), sliding plate (71) inboard all is connected with contact lever (72) with slider (55) contact, contact lever (72) stretch into protective frame (61) in, sliding plate (71) upwards slide and promote slider (55) upwards slide through contact lever (72), operate control alloy piece (4) in protective frame (61) outside.

4. A current temperature thermal protector with manual reset function according to claim 1, wherein: still including being used for carrying out sealing mechanism (8) sealed to protection frame (61) inside, sealing mechanism (8) are including sealing frame (81), torsion spring (82), installation pole (83), fixture block (84) and second spring (85), protection frame (61) upper portion rotary type is connected with sealing frame (81), sealing frame (81) middle part is connected with transparent viewing window, sealing frame (81) are used for sealing to protection frame (61) inside, the equal fixed connection of torsion spring (82) is between sealing frame (81) and protection frame (61), protection frame (61) right sub-unit connection has installation pole (83), sliding type is connected with fixture block (84) that are used for blocking sealing frame (81) on installation pole (83), torsion spring (82) are in the deformation state, second spring (85) fixed connection is between fixture block (84) and installation pole (83), sealing frame (81) rotate downwards, fixture block (84) slide left and block (81) and carry out whole protection to hot protector body (3).

5. A current temperature thermal protector with manual reset function according to claim 1, wherein: the thermal protector further comprises a rotating mechanism (9) used for automatically loosening the thermal protector body (3), the rotating mechanism (9) comprises a gear (91), a rack (92), an installation block (93), an L-shaped rod (94), a third spring (95), a connecting block (96) and a telescopic rod (97), the gear (91) is connected to the right position of the bidirectional screw rod (52), the upper right portion of the base (1) is connected with the rack (92) meshed with the gear (91) in a sliding manner, the upper right portion of the base (1) is connected with the installation block (93), the installation block (93) is positioned below the right side of the rack (92), the L-shaped rod (94) is connected to the installation block (93) in a sliding manner, the upper portion of the L-shaped rod (94) is connected with the rack (92) in the sliding manner, the third spring (95) is fixedly connected between the L-shaped rod (94) and the installation block (93), the connecting block (96) connected with the lower portion of the L-shaped rod (94) in a sliding manner at the upper right portion of the base (1), the lower portion is connected with the connecting block (96) in a sliding manner, the lower portion of the connecting block (96) is connected with the lower portion of the L-shaped rod (97), the protective frame (61) through the rotary type sliding manner, the upper portion of the rotary type connecting block (96) is pulled upwards through the rotary type sliding manner, the rotary type connecting block (96), the gear (91) drives the bidirectional screw rod (52) to rotate, and the fixing frame (54) is controlled to automatically release the thermal protector body (3).

6. A current temperature thermal protector with manual reset function according to claim 1, wherein: still including wiring mechanism (10) that is used for the fixed connection electric wire, wiring mechanism (10) are including spacing (101), clamp splice (102) and fourth spring (103), and both sides all are connected with two spacing (101) about base (1), and all sliding type are connected with clamp splice (102) that are used for cliping the connection electric wire on spacing (101), and the equal fixed connection of fourth spring (103) is between clamp splice (102) and adjacent spacing (101).