CN213124342U

CN213124342U - Opening and closing mechanism of plug-in circuit breaker

Info

Publication number: CN213124342U
Application number: CN202022449771.2U
Authority: CN
Inventors: 孙斌朋; 孙泽凯; 董微娜; 汪泰宇
Original assignee: Huanyu Hi Tech Co ltd
Current assignee: Huanyu Hi Tech Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-04
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a divide-shut brake mechanism of bayonet circuit breaker relates to the low-voltage apparatus field, a divide-shut brake mechanism of bayonet circuit breaker, and it includes handle, shell, push rod, connecting rod and operating device, operating device includes that articulated installation is in the shell jump detain with articulated the hasp of installing on jumping detains, the rotatable installation of handle is in the shell, the articulated installation of push rod one end is in the peripheral position of handle, the push rod other end with the one end of connecting rod is articulated, the connecting rod other end is articulated with the hasp, the handle drives the push rod and becomes the second state that the height about left is high from the first state of height about left, the push rod drives operating device through the connecting rod and becomes the combined floodgate state from the state of separating the floodgate. The utility model has the advantages of reliability and job stabilization nature are good.

Description

Opening and closing mechanism of plug-in circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus field, concretely relates to divide-shut brake mechanism of bayonet circuit breaker.

Background

Chinese patent application publication No. CN 107993900a discloses a plug-in type miniature circuit breaker. Under the requirements of miniaturization and flattening, a product is switched on and off through a button type structure, and when a button is pressed, a breaker is switched on; when the button is pulled out, the breaker is opened; meanwhile, the invention is provided with a locking structure for fixing the cabinet and the circuit breaker; when the circuit breaker needs to be taken out of the cabinet machine, the locking structure is unlocked in a mode of pulling out the button in the same way as the opening mode of the circuit breaker.

When the button of the circuit breaker faces a user, the circuit breaker can be distinguished whether to be opened or closed by close-range observation, and the opening and closing are not intuitive enough; when the circuit breaker is operated to open the brake, the forced operation can lead to the unlocking and locking structure, so that the device is free of locking when the brake is opened, the reliability and the working stability of the installation of the circuit breaker are not guaranteed, the potential safety hazard also exists, the problem of poor contact is easy to occur, and even the circuit breaker is directly pulled out, so that misoperation is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a good bayonet circuit breaker's of reliability and job stabilization nature divide-shut brake mechanism.

The utility model discloses the technical scheme who adopts: the utility model provides an inserted circuit breaker's divide-shut brake mechanism, its includes handle, shell, push rod, connecting rod and operating device, operating device detains and the articulated hasp of installing on jumping the knot including articulated the jump of installing in the shell, the rotatable installation of handle is in the shell, the articulated installation of push rod one end is in the peripheral position of handle, the push rod other end with the one end of connecting rod is articulated, the connecting rod other end is articulated with the hasp, the push rod passes through the connecting rod and drives operating device and become the combined floodgate state from the state of separating brake.

The connecting rod adopts U type connecting rod, the shell inner wall is equipped with the confession the groove that slides of connecting rod tip, the groove that slides upwards sets up from left to right slope.

The handle is provided with a first elastic piece, the first elastic piece is a torsion spring, one end of the torsion spring is arranged on the inner wall of the shell, and the other end of the torsion spring is arranged on the handle.

The jump buckle is provided with a first mounting hole, a second mounting hole and a buckle face for mounting one end of a connecting rod, the buckle face is arranged at the left side of the jump buckle and upwards, the buckle is provided with a groove face corresponding to the buckle face, and the connecting rod pushes the jump buckle to rotate so that the buckle face and the buckle groove face are meshed to form a whole and continue to complete the switching-on action.

Be equipped with the contact extension spring of being connected the two between hasp and the shell, be equipped with the two gold pieces of level setting and the time delay pull rod of installation that slides in the shell, time delay pull rod one end is located the top of two gold pieces, and the other end is installed in the hasp.

The handle is provided with a slot which is positioned on the circumferential surface of the handle and is used for the push rod to be inserted and a jack which penetrates through the push rod and the slot.

The utility model has the advantages that: this technical scheme internal layout is reasonable, only drives operating device through push rod and connecting rod and carries out the divide-shut brake action, is showing the whole volume that reduces miniature circuit breaker to through the combined floodgate and the separating brake of the upper and lower rotation control circuit breaker of handle, solve the not audio-visual problem inadequately of divide-shut brake, the maloperation problem that the circuit breaker can deviate from the rack when avoiding the separating brake completely, guarantee the reliability and the job stabilization nature of circuit breaker installation simultaneously.

Drawings

Fig. 1 is the utility model discloses structure schematic diagram when closing of plug-in circuit breaker's divide-shut brake mechanism.

Fig. 2 is a schematic structural diagram of the opening and closing mechanism of the plug-in circuit breaker during opening.

Fig. 3 is a schematic structural view of the opening/closing mechanism of the plug-in circuit breaker when tripping.

Fig. 4 is a schematic structural view of the switching mechanism of the plug-in circuit breaker with the handle and the push rod removed.

Fig. 5 is a schematic structural view of the jump buckle.

Fig. 6 is a schematic structural view of the push rod.

Fig. 7 is a schematic structural view of the handle.

Fig. 8 is a schematic structural view of the latch.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the opening and closing mechanism of the plug-in circuit breaker comprises a handle 1, a shell 2, a push rod 3, a connecting rod 4 and an operating mechanism 5, wherein the operating mechanism 5 comprises a trip buckle 51 and a lock catch 52, the trip buckle 51 is hinged in the shell 2, the handle 1 is rotatably installed in the shell 2, one end of the push rod 3 is hinged at the peripheral position of the handle 1, the other end of the push rod 3 is hinged with one end of the connecting rod 4, the other end of the connecting rod 4 is hinged with the lock catch 52, and the push rod 3 drives the operating mechanism 5 to change from an opening state to a closing state through the connecting rod 4; this technical scheme internal layout is reasonable, only drives operating device through push rod and connecting rod and carries out the divide-shut brake action, is showing the whole volume that reduces miniature circuit breaker to through the combined floodgate and the separating brake of the upper and lower rotation control circuit breaker of handle, solve the not audio-visual problem inadequately of divide-shut brake, the maloperation problem that the circuit breaker can deviate from the rack when avoiding the separating brake completely, guarantee the reliability and the job stabilization nature of circuit breaker installation simultaneously.

The connecting rod 4 adopts U type connecting rod 4, 2 inner walls of shell are equipped with the confession the groove 21 that slides of 4 tip of connecting rod, the groove 21 that slides upwards sets up from left to right slope, the groove that slides plays the guide effect for the connecting rod.

Be equipped with first elastic component 11 on handle 1, first elastic component 11 adopts torsional spring and its one end to install at 2 inner walls of shell, and the other end is installed on handle 1, provides the pretightning force for the handle resets.

The handle 1 is provided with a slot 12 which is arranged on the circumferential surface and is used for the push rod 3 to be inserted and a jack 13 which is communicated with the push rod 3 and the slot 12.

The trip buckle 51 is provided with a first mounting hole 511, a second mounting hole 512 and a buckle face 513 for mounting one end of the connecting rod 4, the buckle face 513 is arranged at the left side of the trip buckle 51 and is arranged upwards, the buckle 52 is provided with a groove face 521 corresponding to the buckle face 513, and the connecting rod 4 pushes the trip buckle 51 to rotate so that the buckle face 513 and the groove face 521 of the buckle 52 are engaged to form a whole and continue to complete the closing action.

Be equipped with the contact extension spring 6 of connecting the two between hasp 52 and the shell 2, be equipped with the two gold sheets 7 of level setting and the time delay pull rod 8 of installation that slides in the shell 2, time delay pull rod 8 one end is located the top of two gold sheets 7, and the other end is installed in the hasp 52.

One end of a push rod is driven to rotate through a handle, the other end of the push rod drives one end of a U-shaped connecting rod to move in a sliding groove of the shell, and the other end of the U-shaped connecting rod pushes an operating mechanism to move. When the push handle moves upwards, the handle rotates clockwise under the action of force, and the handle is hinged with one end of the push rod and drives one end of the push rod to rotate clockwise; the other end of the push rod moves rightwards under the action of the handle, and the force of the rightwards movement drives the push rod to drive one end of the U-shaped connecting rod to move upwards and rightwards along the sliding groove of the shell; the other end of the U-shaped connecting rod moves rightwards under the action of the push rod and pushes the jump buckle to rotate through the first mounting hole of the jump buckle, the buckle surface is meshed with the groove surface of the buckle when the jump buckle rotates, so that the operating mechanism is locked into a whole, the operating mechanism is pushed to rotate clockwise to realize the switching-on of the circuit breaker, and after the switching-on is in place, the operating mechanism overcomes the reverse force of the first elastic piece under the action force of the contact tension spring, so that the operating mechanism realizes the self-locking.

When the circuit breaker has a delay fault, the double-gold-piece deforms and rotates to drive the delay pull rod to move upwards, the delay pull rod drives the lock catch to rotate anticlockwise through the U-shaped groove 9 of the lock catch, the groove surface of the lock catch is separated from the buckle surface of the jump buckle when the lock catch rotates, the operating mechanism is unlocked, and the operating mechanism rotates anticlockwise to return to the initial position under the action of the contact tension spring; the jump buckle continues to rotate rightwards under the action of the U-shaped connecting rod at the moment of unlocking the operating mechanism, and stops moving after rotating to the rightmost point; then the handle rotates downwards under the action of the reverse force of the first elastic piece, the handle rotates anticlockwise under the action of the force, and the handle drives one end of the push rod to rotate anticlockwise; the other end of the push rod moves leftwards under the action of the handle, and the force of the leftwards movement drives the push rod to drive one end of the U-shaped connecting rod to move leftwards and downwards along the sliding groove of the shell; the other end of the U-shaped connecting rod moves leftwards under the action of the push rod, the jump buckle is pushed to rotate leftwards through the first mounting hole of the jump buckle, the breaker is switched off, and the handle rotates downwards under the action of the first elastic piece to prop against the shell when the breaker is switched off.

When the breaker has a short-circuit fault, the armature 10 moves towards the magnetic yoke 11 under the action of a magnetic field and drives the lock catch to rotate anticlockwise through the boss 12 on the lock catch, the groove surface of the lock catch is separated from the hasp surface of the jump catch when the lock catch rotates, the operating mechanism is unlocked, and the operating mechanism rotates anticlockwise to return to an initial position under the action of the contact tension spring; the jump buckle continues to rotate rightwards under the action of the U-shaped connecting rod at the moment of unlocking the operating mechanism, and stops moving after rotating to the rightmost point; then the handle rotates downwards under the action of the counter-rotating force of the first elastic piece, the handle rotates anticlockwise under the action of the force, the handle is connected with a hole at one end of the push rod through a shaft, and one end of the push rod is driven to rotate anticlockwise; the other end of the push rod moves leftwards under the action of the handle, and the force of the leftwards movement drives the push rod to drive one end of the U-shaped connecting rod to move leftwards and downwards along the sliding groove of the shell; the other end of the U-shaped connecting rod moves leftwards under the action of the push rod, the jump buckle is pushed to rotate leftwards through the first mounting hole of the jump buckle, the breaker is switched off, and the handle rotates downwards under the action of the first elastic piece to prop against the shell when the breaker is switched off.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a divide-shut brake mechanism of bayonet circuit breaker which characterized in that: it includes handle (1), shell (2), push rod (3), connecting rod (4) and operating device (5), operating device (5) are detained (51) and articulated hasp (52) of installing on detaining (51) jump including articulated the jump that installs in shell (2), rotatable the installing of handle (1) in shell (2), the articulated peripheral position of installing of push rod (3) one end handle (1), push rod (3) other end with the one end of connecting rod (4) is articulated, the connecting rod (4) other end is articulated with hasp (52), push rod (3) drive operating device (5) through connecting rod (4) and become the combined floodgate state from the separating brake state.

2. A switching on/off mechanism of a plug-in type circuit breaker according to claim 1, characterized in that: the connecting rod (4) adopts U type connecting rod, shell (2) inner wall is equipped with the confession connecting rod (4) tip sliding groove (21), sliding groove (21) from left to right slope upwards sets up.

3. A switching on/off mechanism of a plug-in type circuit breaker according to claim 1, characterized in that: be equipped with first elastic component (11) on handle (1), first elastic component (11) adopt torsional spring and its one end to install at shell (2) inner wall, and the other end is installed on handle (1).

4. A switching on/off mechanism of a plug-in type circuit breaker according to claim 1, characterized in that: jump and detain (51) and be equipped with first mounting hole (511), second mounting hole (512) and the hasp face (513) that supply connecting rod (4) one end to install, hasp face (513) set up the left side position of jumping detaining (51) and set up, hasp (52) be equipped with recess face (521) that hasp face (513) correspond, connecting rod (4) promote jump and detain (51) rotate make behind hasp face (513) and hasp (52) recess face (521) the interlock become a whole and continue to accomplish the combined floodgate action.

5. The switching on/off mechanism of the plug-in type circuit breaker according to claim 4, characterized in that: be equipped with between hasp (52) and shell (2) and connect contact extension spring (6) of the two, be equipped with two gold sheet (7) that the level set up and time delay pull rod (8) of installation that slide in shell (2), time delay pull rod (8) one end is located the top of two gold sheets (7), and the other end is installed in hasp (52).

6. A switching on/off mechanism of a plug-in type circuit breaker according to claim 1, characterized in that: the handle (1) is provided with a slot (12) which is arranged on the circumferential surface of the handle and is used for the push rod (3) to be inserted and a jack (13) which is communicated with the push rod (3) and the slot (12) in a penetrating way.