CN212182253U

CN212182253U - Backup protector

Info

Publication number: CN212182253U
Application number: CN202021425664.XU
Authority: CN
Inventors: 杨峰; 兰国军
Original assignee: Zhejiang Zhishuo Electric Co ltd
Current assignee: Zhejiang Zhishuo Electric Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-12-18
Anticipated expiration: 2030-07-20

Abstract

The utility model relates to a backup protector, including casing and operating handle, operating device, tripping device, static contact, form the stationary contact on the stationary contact, operating device includes that the contact through round pin axle swing joint on the casing supports, connects jump on the contact supports and detain, connect on the contact supports and detain with jumping and form linkage complex hasp, at least one moving contact of connecting on the contact supports, operating handle passes through U type pole and jumps to detain and be connected, form at least one spread groove on the contact supports, the one end of moving contact forms just to the movable contact of stationary contact, and the other end setting of moving contact is in the spread groove, be provided with the torsional spring between the other end of moving contact and the round pin axle, the torsional spring provides the effort to the static contact direction for the moving contact. The utility model discloses backup protector's operating device structure is retrencied, convenient assembling, and sound contact is connected reliably to self has the disconnected detection function of branch.

Description

Backup protector

Technical Field

The utility model relates to a surge protective apparatus technical field especially relates to a backup protector.

Background

The surge backup protector (namely, the backup protector for the surge protector) is suitable for places where lightning protection equipment such as a Surge Protector (SPD) is installed, can eliminate fire hazards caused by deterioration of the surge protector and power grid faults, solves the problem of failure of the surge protector caused by lightning, and ensures that the surge protector does not catch fire and the lightning protection function is continuously and effectively; meanwhile, the problem of a protection blind area caused by using a fuse or a breaker as an external disconnector is effectively solved.

The existing backup protector has the following defects: 1. the operating mechanism of the backup protector is complex in structure, multiple in parts and complex in assembly, and when the backup protector is in a closed state, the movable contact and the fixed contact are not reliably connected; 2. the backup protector cannot detect the own breaking state, cannot realize the feedback of the breaking state and the networking with related power control equipment, and has low intelligent degree.

Disclosure of Invention

In view of this, the utility model aims at providing an operating device structure is retrencied, convenient assembling, sound contact connect reliable reserve protector, and self has disconnected detection function.

In order to achieve the above object, the utility model adopts such a backup protector, a casing, an operating handle arranged in the casing, an operating mechanism forming linkage fit with the operating handle, a tripping mechanism forming linkage fit with the operating mechanism, and a static contact forming linkage fit with the operating mechanism, wherein a static contact is formed on the static contact, the operating mechanism comprises a contact support movably connected on the casing through a pin shaft, a jump buckle connected on the contact support, a lock catch connected on the contact support and forming linkage fit with the jump buckle, and at least one moving contact connected on the contact support, the operating handle is connected with the jump buckle through a U-shaped rod, at least one connecting groove is formed on the contact support, one end of the moving contact forms a moving contact right opposite to the static contact, the other end of the moving contact is arranged in the connecting groove, a torsion spring is arranged between the other end of the moving contact and the pin shaft, the torsional spring provides acting force towards the direction of the static contact for the moving contact.

The operating mechanism of the backup protector is provided with the torsion spring, the movable contact always keeps acting force towards the direction of the static contact under the action of the torsion spring, when the backup protector is closed, the movable contact can be tightly attached to the static contact, the movable contact keeps certain contact pressure on the static contact, even if the movable contact and the static contact are abraded to a certain extent, the reliability of electric connection of the movable contact and the static contact can be still ensured, and the service life of a product is prolonged. The utility model discloses backup protector's operating device simple structure, the production assembly of being convenient for, and sound contact electricity is connected reliably.

The utility model discloses further set up to the number of moving contact and set up one, the other end bifurcation of moving contact forms two spoon type barbs, the both sides that the contact supported form the lug respectively, and the middle part that the contact supported forms the baffle, the torsional spring includes first spring body, second spring body, xarm, first even arm, second even arm, the round pin axle is worn to put on the baffle, and just first spring body and second spring body all connect at the round pin epaxially, first spring body and second spring body set up in the baffle both sides, and first spring body and second spring body set up respectively in two spoon type barbs, first even arm and second even arm are connected respectively on the lug, the xarm supports to press on the moving contact.

The backup protector adopting the single moving contact drives the contact support to rotate around the pin shaft when the operating handle is closed, and the first connecting arm and the second connecting arm are respectively abutted against and pressed on the convex blocks at two sides of the contact support, so that the cross arm of the torsion spring always acts on the moving contact to enable the moving contact to be attached to the contact support, and the moving contact and the static contact can keep proper contact pressure.

The utility model discloses further set up to the number of moving contact and set up two, the other end fork of two moving contacts all forms two spoon type barbs, the both sides that the contact supported form the lug respectively, and the middle part that the contact supported forms the baffle, and the baffle top forms the dog, and two moving contacts set up the both sides at the baffle respectively, the both sides of round pin axle all are provided with the torsional spring, the torsional spring includes first spring body, second spring body, xarm, first even arm, second even arm, the round pin axle is worn to be put on the baffle, and first spring body and second spring body all connect at the round pin epaxially, and first spring body and second spring body set up respectively in two spoon type barbs of every moving contact, first arm is connected on the lug, and the second is even connected on the dog, the xarm is supported and is pressed on the moving contact.

The backup protector adopting the two moving contacts drives the contact support to rotate around the pin shaft when the operating handle is closed, and the first connecting arm and the second connecting arm are respectively abutted against and pressed on the convex block and the stop block of the contact support, so that the cross arm of the torsion spring always acts on the moving contact to enable the moving contact to be tightly attached to the contact support, and the moving contact and the static contact can keep proper contact pressure.

This practicality further sets up to be provided with micro-gap switch in the casing, form the locating hole on the micro-gap switch, form the reference column in the casing, micro-gap switch passes through fixing of locating hole and reference column in the casing, micro-gap switch sets up in one side of moving contact, and forms the linkage cooperation with micro-gap switch when the moving contact divides absolutely.

The microswitch is fixed on one side of the movable contact, and after the backup protector is disconnected, the movable contact can touch a switch contact of the microswitch, so that the microswitch outputs a switching value signal, and the detection of the on-off state of the backup protector is realized.

The utility model discloses further set up to tripping device and move the iron core on the skeleton including fixing support, the skeleton of connection on the support in the casing, swing joint, move the iron core just to contact support and form the linkage cooperation with the contact support.

The back-up protector is in a tripping mode that the movable iron core acts on the contact support, the contact support resets to a breaking state, the movable contact is driven to be separated from the static contact, and breaking of the back-up protector is completed.

This practicality further sets up to form the draw-in groove on the lug.

The clamping groove on the lug is used for arranging the connecting arm on the torsion spring, so that the connecting arm is prevented from being separated from the lug.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a perspective view of an operating mechanism according to an embodiment of the present invention with a latch removed.

Fig. 3 is a perspective view of a contact support according to an embodiment of the present invention.

Fig. 4 is a front view of the second embodiment of the present invention.

Fig. 5 is a perspective view of the second operating mechanism of the embodiment of the present invention with the latch removed.

Fig. 6 is a perspective view of a second contact support according to an embodiment of the present invention.

Fig. 7 is a perspective view of a first moving contact and a second moving contact according to the first embodiment of the present invention.

Fig. 8 is a perspective view of a torsion spring according to the first and second embodiments of the present invention.

Detailed Description

Example one

As shown in fig. 1, 2, 3, 7, and 8, the present invention relates to a backup protector using single contact, which comprises a housing 1, an operating handle 2 disposed in the housing 1, an operating mechanism 3 forming a linkage fit with the operating handle 2, a tripping mechanism 4 forming a linkage fit with the operating mechanism 3, and a static contact 5 forming a linkage fit with the operating mechanism 3, wherein a static contact 51 is formed on the static contact 5, the operating mechanism 3 comprises a contact support 31 movably connected to the housing 1 through a pin 37, a jump button 32 connected to the contact support 31, a lock catch 33 connected to the contact support 31 and forming a linkage fit with the jump button 32, and a moving contact 34 connected to the contact support 31, the operating handle 2 is connected to the jump button 32 through a U-shaped rod 35, a connecting groove 311 is formed on the contact support 31, bumps 312 are formed on both sides of the contact support 31, a clamping groove 315 is formed on the bump 312, a partition 313 is formed in the middle of the contact support 31, a moving contact 341 facing the stationary contact 51 is formed at one end of the moving contact 34, two spoon-shaped barbs 342 are formed at the other end of the moving contact 34, a torsion spring 36 is arranged between the other end of the moving contact 34 and the pin shaft 37, the torsion spring 36 includes a first spring body 361, a second spring body 362, a cross arm 363, a first connecting arm 364 and a second connecting arm 365, the pin shaft 37 is inserted into the partition 313, the first spring body 361 and the second spring body 362 are both connected to the pin shaft 37, the first spring body 361 and the second spring body 362 are arranged on both sides of the partition 313, the first spring body 361 and the second spring body 362 are respectively arranged in the two spoon-shaped barbs 342, the first connecting arm 364 and the second connecting arm 365 are respectively connected to the clamping groove 315 on the bump 312, the moving contact 363 is pressed against the moving contact 341, the torsion spring 36 provides an acting force to the moving contact 5, the tripping device comprises a shell 1, a microswitch 6 and a tripping mechanism 4, wherein the microswitch 6 is arranged in the shell 1, a positioning hole 61 is formed in the microswitch 6, a positioning column 11 is formed in the shell 1, the microswitch 6 is fixed in the shell 1 through the positioning hole 61 and the positioning column 11, the microswitch 6 is arranged on one side of a movable contact 34, the movable contact 34 is in linkage fit with the microswitch 6 when being disconnected, the tripping mechanism 4 comprises a support 41 fixed in the shell 1, a framework 42 connected to the support 41, and a movable iron core 43 movably connected to the framework 42, and the movable iron core 43 is over against a contact support 31 and is in linkage fit with the contact support 31.

Example two

As shown in fig. 4, 5, 6, 7, and 8, the present invention relates to a backup protector using dual contacts, which comprises a housing 1, an operating handle 2 disposed in the housing 1, an operating mechanism 3 forming a linkage fit with the operating handle 2, a tripping mechanism 4 forming a linkage fit with the operating mechanism 3, and a static contact 5 forming a linkage fit with the operating mechanism 3, wherein a static contact 51 is formed on the static contact 5, the operating mechanism 3 includes a contact support 31 movably connected to the housing 1 through a pin 37, a jump button 32 connected to the contact support 31, a lock 33 connected to the contact support 31 and forming a linkage fit with the jump button 32, and two moving contacts 34 connected to the contact support 31, the operating handle 2 is connected to the jump button 32 through a U-shaped rod 35, two connecting slots 311 are formed on the contact support 31, two sides of the contact support 31 form bumps 312 respectively, a clamping groove 315 is formed on the bump 312, a partition 313 is formed in the middle of the contact support 31, a stop 314 is formed above the partition 313, the two moving contacts 34 are respectively arranged at two sides of the partition 313, one ends of the two moving contacts 34 are respectively formed into a moving contact 341 facing the stationary contact 51, the other ends of the two moving contacts 34 are forked to form two spoon-shaped barbs 342, the other ends of the moving contacts 34 are arranged in the connecting groove 311, a torsion spring 36 is arranged between the other end of the moving contact 34 and the pin 37, the two torsion springs 36 are arranged at two sides of the pin 37, the torsion spring 36 comprises a first spring body 361, a second spring body 362, a cross arm 363, a first connecting arm 364 and a second connecting arm 365, the pin 37 is inserted on the partition 313, the first spring body 361 and the second spring body 362 are both connected on the pin 37, and the first spring body 361 and the second spring body 362 are respectively arranged in the two spoon-shaped barbs 342 of each moving contact 34, the first connecting arm 364 is connected in the clamping groove 315 on the projection 312, the second connecting arm 365 is connected on the stopper 314, the cross arm 363 is pressed against the moving contact 34, the torsion spring 36 provides an acting force to the moving contact 34 in the direction of the fixed contact 5, the casing 1 is provided with the micro switch 6, the micro switch 6 is provided with a positioning hole 61, the positioning column 11 is formed in the casing 1, the micro switch 6 is fixed in the casing 1 through the positioning hole 61 and the positioning column 11, the micro switch 6 is arranged on one side of the moving contact 34, and the moving contact 34 forms linkage fit with the micro switch 6 when being broken, the tripping mechanism 4 comprises a bracket 41 fixed in the casing 1, a framework 42 connected on the bracket 41, and a moving iron core 43 movably connected on the framework 42, and the moving iron core 43 is over against the contact support 31 and forms linkage fit with the contact support 31.

In addition to the above embodiments, there are also other embodiments of the present invention, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and scope of the present invention, such as equivalent replacement with the torsion spring in the present invention, but these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides a backup protector, includes the casing and sets up operating handle in the casing, forms linkage complex operating device, forms linkage complex tripping device with operating device, forms linkage complex static contact with operating device, form stationary contact on the stationary contact, its characterized in that: the operating mechanism comprises a contact support movably connected to the shell through a pin shaft, a jump buckle connected to the contact support, a lock catch connected to the contact support and forming linkage fit with the jump buckle, and at least one moving contact connected to the contact support, the operating handle is connected with the jump buckle through a U-shaped rod, at least one connecting groove is formed in the contact support, a moving contact right opposite to the static contact is formed at one end of the moving contact, the other end of the moving contact is arranged in the connecting groove, a torsion spring is arranged between the other end of the moving contact and the pin shaft, and the torsion spring provides acting force in the direction of the static contact for the moving contact.

2. A backup protector according to claim 1, characterised in that: the number of moving contacts sets up one, the other end bifurcation of moving contact forms two spoon type barbs, the both sides that the contact supported form the lug respectively, and the middle part that the contact supported forms the baffle, the torsional spring includes first spring body, second spring body, xarm, first even arm, second even arm, the round pin axle is worn to put on the baffle, and just first spring body and second spring body all connect at the round pin epaxially, first spring body and second spring body set up in the baffle both sides, and first spring body and second spring body set up respectively in two spoon type barbs, first even arm and second even arm are connected respectively on the lug, the xarm supports presses on the moving contact.

3. A backup protector according to claim 1, characterised in that: the number of moving contacts sets up two, and the other end bifurcation of two moving contacts all forms two spoon type barbs, the both sides that the contact supported form the lug respectively, and the middle part that the contact supported forms the baffle, forms the dog above the baffle, and two moving contacts set up the both sides at the baffle respectively, the both sides of round pin axle all are provided with the torsional spring, the torsional spring includes first spring body, second spring body, xarm, first even arm, second even arm, the round pin axle is worn to put on the baffle, and first spring body and second spring body all connect on the round pin axle, and first spring body and second spring body set up respectively in two spoon type barbs of every moving contact, first even arm is connected on the lug, and second even arm is connected on the dog, the xarm supports and presses on the moving contact.

4. A backup protector according to claim 1, 2 or 3, characterised in that: the shell is internally provided with a microswitch, a positioning hole is formed in the microswitch, a positioning column is formed in the shell, the microswitch is fixed in the shell through the positioning hole and the positioning column, the microswitch is arranged on one side of the moving contact, and the moving contact is in linkage fit with the microswitch when being disconnected.

5. A backup protector according to claim 1, 2 or 3, characterised in that: the tripping mechanism comprises a support fixed in the shell, a framework connected to the support and a movable iron core movably connected to the framework, wherein the movable iron core is over against the contact support and forms linkage fit with the contact support.

6. A backup protector according to claim 2 or 3, characterised in that: and a clamping groove is formed on the projection.