CN217606715U

CN217606715U - Linkage type auxiliary switch box

Info

Publication number: CN217606715U
Application number: CN202221538541.6U
Authority: CN
Inventors: 衣陈晨; 邱中军; 韩伟; 奚杰; 孟凡非
Original assignee: Jiangsu Daqo Kfine Electric Co Ltd
Current assignee: Jiangsu Daqo Kfine Electric Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-18
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a linkage type auxiliary switch box, including mounting base, rotation semi-axis, auxiliary switch, gasket, turning arm, fixed axle, auxiliary switch and gasket both all fix on mounting base through the fixed axle, rotate the semi-axis and also install on mounting base and can wind the axle free rotation of self, the turning arm is fixed and is being rotated semi-axis one end and in the mounting base outside, the turning arm drives and rotates the semi-axis rotation, it has contact and contactless auxiliary switch's action part two kinds of states simultaneously to rotate the semi-axis when rotating around the axle of self, adopts pulling semi-axis rotation operation auxiliary switch, has solved original auxiliary switch quantity and has been difficult to extend, the problem that auxiliary switch is bad easily, has reached the beneficial effect who conveniently increases auxiliary switch quantity, improves auxiliary switch life.

Description

Linkage type auxiliary switch box

Technical Field

The utility model relates to a low voltage apparatus components and parts equipment switch technical field specifically is a linkage type auxiliary switch box.

Background

The auxiliary switch is an important component of a mechanical switch, is commonly used as a secondary control loop for opening, closing, signal control and interlocking protection in power equipment such as a circuit breaker, an isolating switch and the like, and can also be used as a combined switch and a change-over switch. The auxiliary switch is named with two words of 'auxiliary', because the auxiliary switch is not an independent switch and is an auxiliary carrier for realizing the functions of breaking, connecting and interlocking in an operation and control system.

For example, an authorized announcement number CN214588493U discloses a linked auxiliary switch, which includes three auxiliary switch units arranged side by side, where the auxiliary switch unit includes a housing, a substrate in a closed shape is disposed at the rear side of the housing, a slide hole is vertically formed in the housing, an operation rod is slidably disposed on the slide hole, a plurality of spring holes are formed in the operation rod along the length direction, two movable contact bridges and a compression spring disposed between the two movable contact bridges are disposed in each spring hole, two ends of each movable contact bridge are respectively provided with a movable contact, a plurality of stationary contact bridges adapted to the movable contact bridges are mounted on the housing, and stationary contacts adapted to the corresponding movable contacts are disposed on the stationary contact bridges; the upper end of the operating rod positioned in the middle is provided with a main acting plate, the upper ends of the operating rods positioned in the front part and the rear part are respectively provided with a linkage plate, and two ends of the bottom of the main acting plate are respectively abutted against the upper end surfaces of the two linkage plates; the periphery cover of action bars is equipped with reset spring to on reset spring's on the action bars that are located the middle part both ends support respectively under casing up end and main action board terminal surface, the both ends that are located the reset spring on the action bars of both sides support respectively on the up end that corresponds the casing and the lower terminal surface that corresponds the linkage board, the lower extreme of every action bars all is equipped with the spacing portion that is used for supporting terminal surface under corresponding the casing.

In the actual operation process, the prior art and the patents have great defects: the limited auxiliary switch of quantity can be operated simultaneously to current partial design scheme adoption linkage board, a link gear structure for operating auxiliary switch is complicated, and the design degree of difficulty is also great moreover, and the auxiliary switch's of concurrent operation quantity is limited, difficult extension, and owing to be through this three auxiliary switch of the concurrent operation of pressure linkage board, and operating method is mostly the crimping, and the crimping power is not good to be controlled, causes auxiliary switch to damage because of pressure is too big easily, reduces life.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a linkage type auxiliary switch box to solve above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a linkage type auxiliary switch box, includes mounting base, rotation semi-axis, auxiliary switch, gasket, connecting lever, fixed axle, auxiliary switch and gasket both all fix on mounting base through the fixed axle, rotate the semi-axis and also install on mounting base and can wind the axle free rotation of self, the connecting lever is fixed and is being rotated semi-axis one end and in the mounting base outside, the connecting lever drives and rotates the semi-axis rotation, it has contact and contactless auxiliary switch's action part two kinds of states simultaneously to rotate the semi-axis when rotating around the axle of self.

Preferably, the mounting base is Jiong-shaped, the side plates on two sides are provided with a rotating half shaft hole and an auxiliary switch mounting hole, and the bottom plate is provided with a mounting box mounting hole.

Preferably, the auxiliary switch is provided with a spring assembly as an action part, and the auxiliary switch and the gasket are both provided with shaft holes.

Preferably, the fixed shaft comprises a head part, a rod part and a tail end, the head part is a flat round head, the diameter of the head part is larger than that of an auxiliary switch mounting hole in the mounting base, the length of the rod part is larger than the distance between two side plates of the mounting base, the diameter of the rod part is smaller than that of the auxiliary switch mounting hole in the mounting base, and a pin hole is formed in the tail end.

Preferably, the fixing shaft sequentially penetrates through an auxiliary switch mounting hole and a gasket on a side plate on one side of the mounting base, a combination of a plurality of groups of auxiliary switches and gaskets and an auxiliary switch mounting hole on a side plate on the other side of the mounting base, and then a pin penetrates through a pin hole at the tail end of the fixing shaft, so that the plurality of groups of auxiliary switches and gaskets are fixed on the inner sides of two side plates of the mounting base.

Preferably, the inner sides of the two side plates of the mounting base of the rotating half shaft are semi-cylindrical, the outer sides of the two side plates are provided with clamping grooves, and the outer side end of the clamping groove at one end of the rotating half shaft is in a square handle shape.

Preferably, the spring assembly is arranged such that in the reset state, the top edge side is adjacent to the center of the upper half cylinder of the rotary half shaft.

Preferably, the rotary half shaft is fixed in a rotary half shaft hole on the mounting base through the retaining clips arranged in the clamping grooves at the two ends of the rotary half shaft.

Preferably, the crank arm is provided with a square hole, one end of the crank arm is provided with a clamping arm, and the clamping arm is provided with a bolt hole.

Preferably, the square hole of the crank arm is sleeved in the square handle shape on the rotary half shaft, and the crank arm is fastened at one end of the rotary half shaft by a bolt passing through a bolt hole on the clamping arm at one end of the crank arm and a nut.

The utility model provides a linkage type auxiliary switch box concatenates auxiliary switch through adopting the fixed axle, has integrateed more auxiliary switch to can increase auxiliary switch's quantity according to mechanical switch's needs, and through adopting pulling semi-axis rotation operation auxiliary switch, avoid the too big damage to auxiliary switch of crimping power, improve auxiliary switch's life.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 4 isbase:Sub>A schematic diagram of the spring assembly of the rotating half-axle pressure auxiliary switch of the present invention, as viewed from the A-A section;

the device comprises a mounting base 1, a rotary half shaft 2, an auxiliary switch 3, a spring assembly 31, a gasket 4, a crank arm 5, a stop catch 6 and a fixed shaft 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The embodiment provides a technical scheme that: a linkage type auxiliary switch box comprises a mounting base 1, a rotating half shaft 2, five auxiliary switches 3, six gaskets 4, a crank arm 5, two baffle clamps 6 and two fixing shafts 7, wherein the mounting base 1 is Jiong-shaped, a rotating half shaft hole and two auxiliary switch mounting holes are formed in side plates on two sides, four mounting box mounting holes are formed in a bottom plate, and the four mounting box mounting holes are used for fixing the linkage type auxiliary switch box of the technical scheme to a mounting plate of a main switch; two shaft holes are formed in each auxiliary switch 3 and each gasket 4; the fixed shaft 7 comprises a head part, a rod part and a tail end, the head part is a flat round head, the diameter of the head part is larger than that of an auxiliary switch mounting hole in the mounting base 1, the length of the rod part is larger than that of the auxiliary switch mounting hole in the mounting base 1, the distance between two side plates of the mounting base 1 is larger than that of the diameter of the rod part, the diameter of the rod part is smaller than that of the auxiliary switch mounting hole in the mounting base 1, and a pin hole is formed in the tail end. The two fixing shafts 7 sequentially penetrate through two auxiliary switch mounting holes in a side plate on one side of the mounting base 1, the gasket 4, the combination of the five groups of auxiliary switches 3 and the gasket 4 and two auxiliary switch mounting holes in a side plate on the other side of the mounting base 1, and then pins penetrate through pin holes in the tail ends of the two auxiliary switch mounting holes to enable the five groups of auxiliary switches 3 and the gasket 4 to be fixed on the inner sides of the two side plates of the mounting base 1. The rotary half shaft 2 is also installed on the installation base 1 and can freely rotate around the self shaft, the rotary half shaft 2 is semi-cylindrical on the inner sides of two side plates of the installation base 1, clamping grooves are formed in the outer sides of the two side plates, the outer side end of one clamping groove at one end of the rotary half shaft 2 is in a square handle shape, and the rotary half shaft 2 is fixed in a rotary half shaft hole on the installation base 1 through baffle clamps 6 installed in the clamping grooves at two ends of the rotary half shaft 2. The spring assembly 31 is installed on the top of the five auxiliary switches 3 as an action part, the spring assembly 31 is close to the upper semi-cylindrical center of the rotating half shaft 2 in the reset state, the semi-cylindrical part on the rotating half shaft 2 is a position with a curved surface at the upper tangent plane, the rotating half shaft 2 has two states of contacting and not contacting the spring assembly 31 of the auxiliary switch 3 when rotating around the self shaft, because the spring assembly 31 is close to the upper semi-cylindrical center of the rotating half shaft 2 in the reset state, when the rotating half shaft 2 rotates to press the top of the spring assembly 31, the tangent plane of the rotating half shaft 2 contacts the top of the spring assembly 31 first, so that excessive impact force cannot be generated on the spring assembly 31, and simultaneously, the rotating angle and the rotating speed of the rotating half shaft 2 are small under control, the rotating angle is not more than 30 degrees, so that the compression stroke of the pressed spring assembly 31 is small, thereby protecting the auxiliary switch 3 and prolonging the service life of the auxiliary switch. The crank arm 5 is provided with a square hole at one end of the crank arm 5, a clamping arm is arranged at one end of the crank arm 5, a bolt hole is formed in the clamping arm, the square hole of the crank arm 5 is sleeved into the square handle shape on the rotary half shaft 2, a bolt penetrates through the bolt hole in the clamping arm at one end of the crank arm, the crank arm 5 is fastened at one end of the rotary half shaft 2 and is arranged on the outer side of the mounting base 1 through a nut, and the other end of the crank arm 5 is also provided with a connecting hole connected to a connecting piece of a main switch, so that the main switch can drive the crank arm 5 through the connecting piece to drive the rotary half shaft 2 to rotate towards a certain direction during switching on and switching off.

When the main switch is switched on, the crank arm 5 is pulled to form a certain angle, the rotating half shaft 2 is rotated, the spring assembly 31 on the auxiliary switch 3 is pressed in place, and a normally closed and normally open contact (invisible) in the auxiliary switch 3 is switched to serve as a switching-on in-place indication signal and a feedback signal to be reliably transmitted.

And (3) opening the main switch, returning the crank arm 5 to the original position, enabling the rotary half shaft 2 to reversely rotate to the original position, enabling the spring assembly 31 on the auxiliary switch 3 to be restored to the original position, and enabling the normally closed and normally open contact (invisible) on the auxiliary switch 3 to be restored to serve as an in-place opening indication signal and a feedback signal to be reliably transmitted.

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", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to 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.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A linkage type auxiliary switch box is characterized in that: including mounting base (1), rotation semi-axis (2), auxiliary switch (3), gasket (4), connecting lever (5), fixed axle (7), both fix on mounting base (1) through fixed axle (7) auxiliary switch (3) and gasket (4), it also installs on mounting base (1) and can be around the axle free rotation of self to rotate semi-axis (2), connecting lever (5) are fixed and are being rotated semi-axis (2) one end and in the mounting base (1) outside, connecting lever (5) drive and rotate semi-axis (2) rotation, it has contact and the action part two kinds of states of contactless auxiliary switch (3) simultaneously to rotate semi-axis (2) when rotating around the axle of self.

2. A linked auxiliary switch case according to claim 1, wherein: the mounting base (1) is Jiong-shaped, the side plates on two sides are provided with a rotating half shaft hole and an auxiliary switch mounting hole, and the bottom plate is provided with a mounting box mounting hole.

3. A linked auxiliary switch box according to claim 2, wherein: the auxiliary switch (3) is provided with a spring assembly (31) as an action part, and shaft holes are formed in the auxiliary switch (3) and the gasket (4).

4. A linked auxiliary switch box according to claim 2, wherein: the fixing shaft (7) comprises a head part, a rod part and a tail end, the head part is a flat round head, the diameter of the head part is larger than that of an auxiliary switch mounting hole in the mounting base (1), the length of the rod part is larger than that of the two side plates of the mounting base (1), the diameter of the rod part is smaller than that of the auxiliary switch mounting hole in the mounting base (1), and a pin hole is formed in the tail end.

5. A linked auxiliary switch box according to claim 2, wherein: the fixing shaft (7) penetrates through the auxiliary switch mounting hole in the side plate on one side of the mounting base (1), the gasket (4), the combination of the auxiliary switches (3) and the gasket (4) in a plurality of groups and the auxiliary switch mounting hole in the side plate on the other side of the mounting base (1) in sequence, and then the pin penetrates through the pin hole in the tail end to enable the auxiliary switches (3) and the gasket (4) in the plurality of groups to be fixed on the inner sides of the two side plates of the mounting base (1).

6. A linked auxiliary switch box according to claim 2, wherein: the inner sides of two side plates of the mounting base (1) of the rotating half shaft (2) are semi-cylindrical, clamping grooves are formed in the outer sides of the two side plates, and the outer side end of one clamping groove at one end of the rotating half shaft (2) is square-handle-shaped.

7. A linked auxiliary switch case according to claim 3, wherein: and one side of the top edge of the spring assembly (31) is close to the center of the upper semi-cylinder of the rotating half shaft (2) in a reset state.

8. A linked auxiliary switch box according to claim 6, wherein: the rotary half shaft is characterized by further comprising a blocking clamp (6), and the rotary half shaft (2) is fixed in a rotary half shaft hole in the mounting base (1) through the blocking clamp (6) arranged in clamping grooves at two ends of the rotary half shaft (2).

9. A linked auxiliary switch box according to claim 1, wherein: the crank arm (5) is provided with a square hole, one end of the crank arm is provided with a clamping arm, and the clamping arm is provided with a bolt hole.

10. A linked auxiliary switch box according to claim 9, wherein: the square hole of the crank arm (5) is sleeved into a square handle on the rotary half shaft (2), and the crank arm (5) is fastened at one end of the rotary half shaft (2) by a bolt passing through a bolt hole on a clamping arm at one end of the crank arm and a nut.