CN219611185U

CN219611185U - Labor-saving hand-operated mechanism for switch cabinet

Info

Publication number: CN219611185U
Application number: CN202320185912.5U
Authority: CN
Inventors: 刘东海; 吴立信; 杨文源
Original assignee: Zhejiang Beigang Electric Co ltd
Current assignee: Zhejiang Beigang Electric Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-08-29
Anticipated expiration: 2033-02-01

Abstract

The utility model relates to the technical field of a hand-operated mechanism of a switch cabinet, in particular to a labor-saving hand-operated mechanism for the switch cabinet. The hand-operated mechanism disclosed by the utility model has the advantages that the auxiliary mechanism with a simple structure is utilized to assist in driving the hand-operated driving screw, and after three positions of test, separation and connection, the driving screw is driven to rotate to assist in opening the equipment, so that the opening safety is ensured, the opening operation steps are simplified, the switch cabinet is opened in a labor-saving manner, a heavy purely manual shaking crank is not needed, the switch cabinet is opened and closed, the structure is simple, and the production and the disassembly operation are convenient.

Description

Labor-saving hand-operated mechanism for switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinet hand-operated mechanisms, in particular to a labor-saving hand-operated mechanism for a switch cabinet.

Background

A switch cabinet is an electrical device, wherein the switch cabinet is generally opened by hand.

In the prior art, the application number is disclosed as follows: the utility model of CN201020655740.6 is named as a handcart propulsion mechanism of a high-voltage switch cabinet, wherein the structure of the existing hand propulsion mechanism is simplified, the processing and assembling difficulty is reduced, and a hand driving assembly screw rod is disclosed and used for opening the switch cabinet, so that the positioning accuracy and the operation simplicity are improved.

However, in the prior art, like the lead screw mentioned in CN201020655740.6 in the application number, when the switch cabinet is opened by hand, some switch cabinets with simple internal structures are suitable for using the lead screw, but for the switch cabinets complicated with some equipment, the opening is slow, time-consuming and labor-consuming, and the operation is inconvenient.

Disclosure of Invention

The utility model aims to provide a labor-saving hand-operated mechanism for a switch cabinet, which aims to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

a labor-saving hand-operated mechanism for a switch cabinet, which comprises a rectangular frame;

the rectangle frame rotation is equipped with first axostylus axostyle, second axostylus axostyle and third axostylus axostyle, and the second axostylus axostyle is located one side of first axostylus axostyle, and first axostylus axostyle, second axostyle and third axostylus axostyle carry out the transmission through the gear assembly who sets up in the rectangle frame and connect, and the one end block of second axostylus axostyle is connected with the lead screw, and the other end is connected with the crank.

Further, the rectangular frame comprises two U-shaped plates assembled in a buckled mode, the gear assembly comprises a first gear, a second gear, a third gear and a fourth gear, the first gear is fixedly arranged on the first shaft rod, and the first gear is matched with the third gear fixedly arranged on the third shaft rod.

The second gear is fixedly arranged on the second shaft rod, and the second gear is matched with a fourth gear fixedly arranged on the third shaft rod.

Further, one end fixedly connected with plectane of first axostylus axostyle, the fixed round bar that is equipped with on the first axostylus axostyle, three locating hole have been seted up on the round bar, and the edge of locating hole is equipped with the round chamfer, and three locating hole arrays set up on the round bar.

The one end of round bar is provided with the empty slot, installs three ring in the empty slot, and three ring cover is established on first axostylus axostyle, and one side fastening of ring is equipped with the ejector pin, and the one end of ejector pin is provided with the sector plate.

The ends of the three sector plates are mutually attached to form an annular structure, and the annular structure is used for arranging the ejector rod array in the empty groove.

Further, one side of round bar is equipped with the connecting block of fixed connection on the U-shaped board, and one side fastening of connecting block is equipped with first connecting plate, and first connecting plate and U-shaped board fixed connection are equipped with the L-shaped board, and the slip is equipped with the movable rod on the L-shaped board, and movable rod one end fixedly connected with arc, cover are equipped with the spring on the movable rod, and the spring is located between arc and the L-shaped board.

One side of the arc plate is fixedly provided with a hemispherical block, and the hemispherical block is matched with the positioning hole and used for limiting the round rod.

Further, one side of rectangle frame is equipped with the buckle, and the rotation is equipped with the lead screw in the buckle, and hexagonal hole that is used for the block to install the crank is seted up to the one end of second shaft pole, fixedly on the buckle be equipped with the fixed plate of symmetric distribution, be provided with the screw hole on the fixed plate for connect the hand mechanism and install in the cubical switchboard, the second connecting plate is installed to one side of lead screw, has seted up the through-hole on the second connecting plate.

And one side of the second connecting plate is provided with an external thread, and the lead screw is matched with the external thread.

Further, a micro-motion travel switch is arranged on one side of the buckle plate, a movable connecting rod is arranged at one end of the micro-motion travel switch, and the three ejector rods are respectively in butt joint with the connecting rod.

The utility model has the beneficial effects that:

1. the hand-operated mechanism utilizes the auxiliary mechanism with a simple structure to carry out auxiliary driving on the hand-operated driving screw rod, and drives the screw rod to rotate after three positions of test, separation and connection, thereby assisting in opening equipment, ensuring the safety of opening and simplifying the step of opening operation;

2. the hand-operated mechanism disclosed by the utility model is labor-saving to open the switch cabinet, does not need to shake the crank by heavy and pure manual operation, is simple and convenient to operate, and is simple in structure and convenient to produce, disassemble and assemble.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the hand crank mechanism of the present utility model;

FIG. 2 is a schematic diagram of the hand crank mechanism of the present utility model;

FIG. 3 is a schematic diagram of the hand crank mechanism of the present utility model;

FIG. 4 is a schematic view of a portion of the hand crank mechanism of the present utility model;

fig. 5 is a schematic view of a first connecting plate structure according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a manual mechanism for cubical switchboard, as shown in fig. 1-3, manual mechanism includes two U-shaped plates 1, and two U-shaped plates 1 lock installation form the rectangle frame through bolted connection two U-shaped plates 1, and one side of rectangle frame is equipped with buckle 2, and buckle 2 passes through bolt fixed connection with one side of a U-shaped plate 1, and buckle 2 internal rotation is equipped with lead screw 21, and lead screw 21 rotates with the rectangle frame to be connected.

The rectangular frame is rotationally provided with a first shaft lever 11, a second shaft lever 22 and a third shaft lever 5, the second shaft lever 22 is positioned on one side of the first shaft lever 11, the third shaft lever 5 is positioned on one side of the second shaft lever 22, the first shaft lever 11 is fixedly provided with a round lever 12 and a first gear 121, the second shaft lever 22 is fixedly provided with a second gear 23, the second shaft lever 22 is connected with a shaft lever of the screw 21 in a clamping way, and the third shaft lever 5 is fixedly provided with a third gear 51 and a fourth gear 52.

The third gear 51 is meshed with the first gear 121, the fourth gear 52 is meshed with the second gear 23, the first gear 121 is rotated to assist in controlling the second gear 23 to rotate, the screw rod 21 is driven to rotate in an assisting mode, the effort for rotating the screw rod 21 by hand is reduced, and the purpose of opening a heavy switch cabinet in a labor-saving mode is achieved.

As shown in fig. 5, a hexagonal hole 24 is formed in one end, far away from the screw rod 21, of the second shaft 22 and is used for connecting a crank, a symmetrically distributed fixing plate 25 is fixedly arranged on the buckle plate 2, a threaded hole 26 is formed in the fixing plate 25 and is used for connecting and installing a hand crank mechanism in a switch cabinet, a first connecting plate 27 is installed on one side of the screw rod 21, a through hole 28 is formed in the first connecting plate 27, an external thread 20 is formed in one side of the first connecting plate 27, and the screw rod 21 is matched with the external thread 20.

As shown in fig. 4, one end of the first shaft lever 11 is fixedly connected with a circular plate 14, three positioning holes 13 are formed in the circular lever 12, round chamfers are formed at edges of the positioning holes 13, probability of occurrence of positioning jamming is reduced, three positioning holes 13 are arranged on the circular lever 12 in an array mode, an empty groove is formed in one end of the circular lever 12, three circular rings 15 are installed in the empty groove, the three circular rings 15 are sleeved on the first shaft lever 11 located in the empty groove, a push rod 16 is fixedly arranged on one side of the circular rings 15, a sector plate 17 is arranged at one end of the push rod 16, ends of the sector plates 17 are mutually attached to form an annular structure, and the array of the push rods 16 is stably installed in the empty groove.

One side of the pinch plate 2 is provided with a micro-motion travel switch 3, one end of the micro-motion travel switch 3 is provided with a movable connecting rod 31, and the three ejector rods 16 are respectively corresponding to the test, separation and connection on the circular plate 14 and are used for respectively abutting against the connecting rod 31.

The fixed connecting block 18 that is equipped with in one side of round bar 12, the one side fastening of connecting block 18 is equipped with second connecting plate 181, the bolted connection on second connecting plate 181 and the U-shaped plate 1 is fixed, connecting block 18 cooperates with the mounting groove that sets up on U-shaped plate 1, not shown in the mounting groove diagram, the fixed L-shaped plate that is equipped with in one side of connecting block 18, the slip is equipped with movable rod 191 on the L-shaped plate, the cover is equipped with spring 19 on the movable rod 191, the one end and the L-shaped plate fixed connection of spring 19, the other end is equipped with mobilizable arc 192.

One side of the arc plate 192 is fixedly connected with one end of the movable rod 191, the other side is fixedly provided with a hemispherical block 193, and the hemispherical block 193 is matched with the positioning hole 13 and used for limiting the rotation of the round rod 12, so that the ejector rod 16 needing test, separation and connection is abutted on the connecting rod 31.

When the labor-saving hand-operated mechanism for the switch cabinet is used, the using method of the labor-saving hand-operated mechanism for the switch cabinet is as follows:

the first shaft lever 11, the second shaft lever 22 and the third shaft lever 5 are rotatably arranged in the rectangular frame, so that the third gear 51 is meshed with the first gear 121, after the fourth gear 52 is meshed with the second gear 23, the two U-shaped plates 1 of the rectangular frame are fixed by bolts, then the screw rod 21 is arranged between the pinch plate 2 and the U-shaped plates 1, the micro-motion travel switch 3 is arranged on one side of the pinch plate 2, and the connecting rod 31 is aligned with the position of the ejector rod 16.

The assembled labor-saving hand-operated mechanism and the first connecting plate 27 are installed in the switch cabinet, the crank is clamped and connected with the hexagonal hole 24 on one side of the second shaft 22 through the cabinet door, the round plate 14 is rotated before use, the crank is adjusted to be in a separated state, the crank is rocked to the switch cabinet to enter a test position, the switch cabinet is locked to be in a test state by the hemispherical block 193, the micro-motion travel switch 3 is abutted with the ejector rod 16 in the test state once at the moment, if the crank is continuously rotated, the switch cabinet can enter a connecting state, and after operation is completed, the switch cabinet enters an automatic opening state and is driven through gear meshing, so that the switch cabinet is opened.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Labor-saving hand-operated mechanism for switch cabinet, characterized in that, hand-operated mechanism includes:

the rectangular frame, the rectangle frame rotation is equipped with first axostylus axostyle (11), second axostylus axostyle (22) and third axostylus axostyle (5), and second axostylus axostyle (22) are located one side of first axostylus axostyle (11), and one side of third axostylus axostyle (22), first axostylus axostyle (11), second axostylus axostyle (22) and third axostylus axostyle (5) carry out the transmission through the gear assembly who sets up in the rectangle frame and are connected, and the one end block of second axostylus axostyle (22) is connected with lead screw (21), and the other end is connected with the crank.

2. A labor-saving hand-operated mechanism for a switch cabinet according to claim 1, wherein the rectangular frame comprises two U-shaped plates (1) assembled in a buckled manner, the gear assembly comprises a first gear (121), a second gear (23), a third gear (51) and a fourth gear (52), the first gear (121) is fixedly arranged on a first shaft lever (11), and the first gear (121) is matched with the third gear (51) fixedly arranged on a third shaft lever (5);

the second gear (23) is fixedly arranged on the second shaft (22), and the second gear (23) is matched with the fourth gear (52) fixedly arranged on the third shaft (5).

3. The labor-saving hand-operated mechanism for the switch cabinet according to claim 2, wherein one end of the first shaft lever (11) is fixedly connected with a circular plate (14), a round rod (12) is fixedly arranged on the first shaft lever (11), three positioning holes (13) are formed in the round rod (12), round chamfers are formed in the edges of the positioning holes (13), and three positioning holes (13) are arranged on the round rod (12) in an array mode;

one end of the round rod (12) is provided with an empty slot, three rings (15) are arranged in the empty slot, the three rings (15) are sleeved on the first shaft rod (11), one side of the rings (15) is fixedly provided with a push rod (16), and one end of the push rod (16) is provided with a sector plate (17);

the ends of the three sector plates (17) are mutually attached to form an annular structure, and the annular structure is used for arranging the ejector rod (16) in the empty groove in an array manner.

4. The labor-saving hand-operated mechanism for the switch cabinet according to claim 3, wherein one side of the round rod (12) is provided with a connecting block (18) fixedly connected to the U-shaped plate (1), one side of the connecting block (18) is fixedly provided with a first connecting plate (181), the first connecting plate (181) is fixedly connected with the U-shaped plate (1), one side of the connecting block (18) is fixedly provided with an L-shaped plate, a movable rod (191) is arranged on the L-shaped plate in a sliding manner, one end of the movable rod (191) is fixedly connected with an arc-shaped plate (192), a spring (19) is sleeved on the movable rod (191), and the spring (19) is positioned between the arc-shaped plate (192) and the L-shaped plate;

one side of the arc plate (192) is fixedly provided with a hemispherical block (193), and the hemispherical block (193) is matched with the positioning hole (13) and used for limiting the round rod (12).

5. The labor-saving hand-operated mechanism for the switch cabinet according to claim 3, wherein a buckle plate (2) is arranged on one side of the rectangular frame, a screw rod (21) is rotationally arranged on the buckle plate (2), a hexagonal hole (24) for clamping and installing a crank is formed in one end of the second shaft (22), symmetrically distributed fixing plates (25) are fixedly arranged on the buckle plate (2), threaded holes (26) are formed in the fixing plates (25) and are used for connecting and installing the hand-operated mechanism in the switch cabinet, a second connecting plate (27) is arranged on one side of the screw rod (21), and a through hole (28) is formed in the second connecting plate (27);

an external thread (20) is arranged on one side of the second connecting plate (27), and the screw rod (21) is matched with the external thread (20).

6. The labor-saving hand-operated mechanism for a switch cabinet according to claim 5, wherein one side of the buckle plate (2) is provided with a micro-motion travel switch (3), one end of the micro-motion travel switch (3) is provided with a movable connecting rod (31), and the three ejector rods (16) are respectively abutted with the connecting rod (31).