CN216672384U

CN216672384U - Pushing mechanism of switch cabinet drawer plug-in

Info

Publication number: CN216672384U
Application number: CN202122424242.1U
Authority: CN
Inventors: 胡蒋文; 陶霞; 杨玉勇; 赵川
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-06-03
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a pushing mechanism of a switch cabinet drawer plug-in, which comprises a drawer shell and is characterized in that: drawer shell back is provided with the push pedal, and once plug-in components and secondary plug-in components fixed dress are in on the push pedal, the push pedal is connected with drive mechanism, drive mechanism is connected with actuating mechanism, actuating mechanism's drive shaft is followed drawer shell's front side portion stretches out, and the external drive power drive actuating mechanism linkage drive mechanism drives the push pedal is in the round trip movement realizes in the drawer shell the switching of leaving position, test position, the operating position of cubical switchboard drawer. The utility model adopts the transmission structure to complete the switching of the position state, thereby saving the strength, reducing the operation difficulty and avoiding reducing the original protection grade of the switch cabinet.

Description

Pushing mechanism of switch cabinet drawer plug-in

Technical Field

The utility model belongs to the technical field of switch cabinets, and particularly relates to a pushing mechanism for a drawer plug-in unit of a switch cabinet.

Background

The low-voltage complete switch cabinet is mainly divided into a fixed panel and a draw-out type, the drawer type switch cabinet is one of the draw-out type, and electrical elements of the incoming and outgoing line loop are all installed in a drawer capable of being drawn out to complete a certain power supply or distribution function. The drawer type switch cabinet equipment is compact, strong in structural universality, flexible, safe and reliable in assembly, convenient to disassemble and assemble, high in reliability, safety and interchangeability, suitable for places with high power supply reliability requirements, and is the mainstream low-voltage switch cabinet at present.

Drawers in drawer-type switch cabinets are generally provided with a working position, a test position, and a disconnection position. The conventional drawer mostly realizes the switching of the electrical connection states of a separation position, a test position and a working position through the depth of the drawer inserted into the cabinet body of the switch cabinet.

The specific operation process of switching the drawer to execute the separation position, the test position and the working position in the prior art is as follows: the drawer is completely pushed in, a primary plug-in unit of the main circuit is plugged and communicated with the static plug-in unit or the vertical busbar, a male head and a female head of a secondary plug-in unit of the control circuit are plugged and communicated, and the drawer is located at a working position; the drawer is drawn out for a certain distance, the primary plug-in is separated from the static plug-in or the vertical busbar, the male head and the female head of the secondary plug-in of the control circuit are plugged and conducted, and the drawer is located at a test position; the drawer is completely drawn out, the primary plug-in of the main circuit is completely separated from the secondary plug-in of the control circuit, and the drawer is in an off position. However, in the existing mode, the position of the drawer needs to be switched by pushing and pulling the whole drawer by an operator, and the drawer is heavy and is laborious to operate; when the test position and the disconnection position are carried out, if the drawer is pulled out for a certain distance, the protection level of the cabinet is reduced to a large extent, and the normal use requirement cannot be met in a special environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the switching operation of the drawer position of the drawer of the conventional drawer type switch cabinet is labor-consuming through manual pushing and pulling, and the protection level of the switch cabinet is easily reduced, and provides a pushing mechanism of a drawer plug-in unit of the switch cabinet.

Technical scheme

In order to achieve the technical purpose, the pushing mechanism of the switch cabinet drawer plug-in unit comprises a drawer shell, and is characterized in that: drawer housing back is provided with the push pedal, and primary plug-in components and secondary plug-in components fixed dress are in on the push pedal, the push pedal is connected with drive mechanism, drive mechanism is connected with actuating mechanism, actuating mechanism's drive shaft is followed drawer housing's front side portion stretches out, and external drive power drive actuating mechanism linkage drive mechanism drives the push pedal is in the back and forth movement realizes in the drawer housing the switching of isolated position, test position, the operating position of cubical switchboard drawer.

Further, the transmission mechanism is located within the drawer housing.

Further, actuating mechanism includes the drive shaft, drive shaft one end is followed drawer shell front end is worn out, and the other end is connected the action wheel, the action wheel is adorned on the action wheel support frame.

Furthermore, the movable wheel support frame is fixed on a bottom plate of the drawer shell.

Further, drive mechanism includes from the driving wheel, follow driving wheel and action wheel linkage, from the driving wheel dress on driving wheel support frame, the output shaft of following driving wheel is connected with the one end of transmission shaft, steering mechanism is connected to the other end of transmission shaft, steering mechanism connects lead screw mechanism's one end, lead screw mechanism's the other end is connected the push pedal, follow driving wheel is in drive drives the lead screw rotation through transmission shaft linkage steering mechanism down, the lead screw rotates and can drive the push pedal is in back and forth movement in the drawer shell.

Further, the steering mechanism comprises an upper side steering gear and a lower side steering gear, the upper side steering gear comprises a first bevel gear and a second bevel gear which are vertically meshed with each other, the lower side steering gear comprises a third bevel gear and a fourth bevel gear which are vertically meshed with each other, the first bevel gear and the second bevel gear are arranged on an upper bevel gear support, the third bevel gear and the fourth bevel gear are arranged on a lower bevel gear support, the first bevel gear is connected with a screw rod mechanism, the third bevel gear is connected with a transmission shaft, and the second bevel gear and the fourth bevel gear are connected through a middle shaft.

Furthermore, the screw mechanism comprises a screw and a screw sliding block, the screw sliding block is arranged on the push plate, one end of the screw penetrates through the screw sliding block and is linked with the screw sliding block, and the other end of the screw is linked with the bevel gear I;

one end of the screw penetrates through the screw sliding block and then is installed in a bearing seat, the bearing seat is fixedly installed on a drawer back plate on the back of the drawer shell, and the drawer back plate and the drawer shell are fixedly installed and located on the outer side of the push plate.

Furthermore, the transmission shaft is positioned at the front side in the drawer shell, the axis direction of the transmission shaft is arranged along the left-right direction of the drawer shell, the lead screw is positioned at the left side and the right side in the drawer shell, the axis direction of the lead screw is arranged along the front-back direction of the drawer shell, the axis line of the center shaft is arranged in the vertical direction, and the second bevel gear and the fourth bevel gear are arranged on the center shaft and can rotate in the same direction around the axis line of the center shaft.

Furthermore, the transmission mechanism takes the driving mechanism as a symmetrical center and is symmetrically arranged at the left side and the right side in the drawer shell.

Furthermore, the movable plug-in unit I of the primary plug-in unit comprises a shell, a movable contact and a sliding block, the sliding block drives the movable contact to move and contact with the static plug-in unit in the sliding process, the shell of the movable plug-in unit I of the primary plug-in unit is fixedly arranged on the drawer back plate, the sliding block of the movable plug-in unit I of the primary plug-in unit is fixedly arranged on the push plate, and the movable plug-in unit II of the secondary plug-in unit is fixedly arranged on the push plate.

Advantageous effects

According to the pushing mechanism for the drawer plug-in of the switch cabinet, the movement of the drawer for executing the switching of the separation position, the test position and the working position can be realized only by controlling the movement of the primary plug-in and the secondary plug-in, the switching of the separation position, the test position and the working position can be completed without pushing and pulling the whole drawer, the switching of the position state can be completed by adopting a transmission structure, the labor is saved, the operation difficulty is reduced, and meanwhile, the reduction of the original protection grade of the switch cabinet is avoided.

Drawings

FIG. 1 is a first schematic diagram of a product according to an embodiment of the present invention.

FIG. 2 is a second schematic diagram of a product according to an embodiment of the present invention.

Fig. 3 is a front view of an embodiment of the present invention.

Fig. 4 is a sectional view taken along line U in fig. 3.

Fig. 5 is a cross-sectional view taken along line W in fig. 3.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "inner", "outer", "front", "rear", "left", "right", "general side", "spare side", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; 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.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

The drawer of the existing drawer type switch cabinet is hard to switch the position of the drawer through manual pushing and pulling, and the protection grade of the switch cabinet is easily reduced. In order to solve the problem, this embodiment provides a pushing mechanism for a drawer plug-in of a switch cabinet, as shown in fig. 1 and 2, it includes a drawer housing 1, a push plate 2 is arranged on the back of the drawer housing 1, a primary plug-in 3 and a secondary plug-in 4 are fixedly mounted on the push plate 2, the push plate 2 is connected with a transmission mechanism, the transmission mechanism is connected with a driving mechanism, a driving shaft 5 of the driving mechanism extends out from the front side of the drawer housing 1, and an external driving force drives the driving mechanism to link with the transmission mechanism to drive the push plate 2 to move back and forth in the drawer housing 1, so as to realize switching between a separation position, a test position and a working position of a drawer of the switch cabinet.

The detailed structure of each component will be described below with reference to the accompanying drawings. The driving mechanism comprises a driving shaft 5, one end of the driving shaft 5 penetrates out of the front side end of the drawer shell 1, the other end of the driving shaft is connected with a driving wheel 6, and the driving wheel 6 is arranged on a driving wheel supporting frame 7. The movable wheel support frame 7 is fixed on the bottom plate 101 of the drawer shell 1.

As shown in fig. 1 and 3, the transmission mechanism is located in the drawer housing 1. The transmission mechanism comprises a driven wheel 8, the driven wheel 8 is linked with a driving wheel 6, the driven wheel 8 is arranged on a driving wheel support frame 7, an output shaft 801 of the driven wheel 8 is connected with one end of a transmission shaft 9, the other end of the transmission shaft 9 is connected with a steering mechanism, the steering mechanism is connected with one end of a lead screw mechanism, the other end of the lead screw mechanism is connected with a push plate 2, as shown in the attached drawings 1,4 and 5, the lead screw mechanism comprises a lead screw 10 and a lead screw sliding block 11, the lead screw sliding block 11 is arranged on the push plate 2, one end of the lead screw 10 penetrates through the lead screw sliding block 11 and is linked with the lead screw sliding block 11, and the other end of the lead screw is linked with the steering mechanism. One end of the screw rod 10 penetrates through the screw rod sliding block 11 and then is installed in a bearing seat 12, the bearing seat 12 is fixedly installed on a drawer back plate 13 on the back of the drawer shell 1, and the drawer back plate 13 and the drawer shell 1 are fixedly installed and located on the outer side of the push plate 2. The steering mechanism comprises an upper side steering gear 14 and a lower side steering gear 15, the upper side steering gear 14 comprises a first bevel gear 1401 and a second bevel gear 1402 which are vertically meshed with each other, the lower side steering gear 15 comprises a third bevel gear 1501 and a fourth bevel gear 1502 which are vertically meshed with each other, the first bevel gear 1401 and the second bevel gear 1402 are arranged on an upper bevel gear support 1403, the third bevel gear 1501 and the fourth bevel gear 1502 are arranged on a lower bevel gear support 1503, the first bevel gear 1401 is connected with a lead screw 10 of a lead screw mechanism, the third bevel gear 1501 is connected with a transmission shaft 9, and the second bevel gear 1402 and the fourth bevel gear 1502 are connected through a middle shaft 16.

The driven wheel 8 is driven by the driving wheel 6 to drive a steering mechanism to drive a lead screw 10 to rotate through a transmission shaft 9, and the lead screw 10 rotates to drive the push plate 2 to move back and forth in the drawer shell 1. Preferably, in order to achieve smooth transmission and high transmission efficiency, the transmission shaft 9 is located at the front side of the drawer housing 1, the axis direction of the transmission shaft is arranged along the left-right direction of the drawer housing 1, the lead screws 10 are located at the left side and the right side of the drawer housing 1, the axis direction of the lead screws is arranged along the front-back direction of the drawer housing 1, the axis line of the middle shaft 16 is arranged in the vertical direction, and the second bevel gear 1402 and the fourth bevel gear 1502 are mounted on the middle shaft 16 and can rotate around the axis line of the middle shaft 16 in the same direction. The transmission mechanism takes the driving mechanism as a symmetrical center, and at least one set of transmission mechanism is symmetrically arranged at the left side and the right side in the drawer shell 1, so that synchronous and stable pushing at the two sides is realized. It should be noted that in the present embodiment, the bevel gear transmission can be replaced by a conventional mechanism of worm gear and worm gear type, and any motion transmission method taught by the present embodiment should be considered as falling within the scope of the present invention.

A tool 17 is used for rotating a driving wheel 6, the driving wheel 6 drives a driven wheel 8, the driven wheel 8 and a transmission shaft 9 drive a steering mechanism, an upper side steering gear 14 drives a screw rod 10 to rotate, the screw rod 10 rotates in a screw rod slide block 11 to guide the screw rod slide block 11 to move axially along the screw rod 10, and a push plate 2 and the screw rod slide block together drive a primary plug-in unit 3 and a secondary plug-in unit 4 to move in a drawer. As shown in the attached figure 1, the specific working process is as follows: the drawer comprises a first movable insert 301 of the primary insert 3 and a second movable insert 401 of the secondary insert 4. The first movable plug-in unit 301 of the primary plug-in unit 3 comprises an outer shell 301a, a movable contact 301b and a sliding block 301c, wherein the sliding block 301c can drive the movable contact 301b to move and contact with the static plug-in unit in the sliding process. The shell 301a of the first movable plug-in unit 301 of the first plug-in unit 3 is fixedly arranged on the back plate 13, and the slide block 301c of the first movable plug-in unit 301 of the first plug-in unit 3 is fixedly arranged on the push plate 2. And a second movable plug-in unit 401 of the secondary plug-in unit 4 is fixedly arranged on the push plate 2. The drawer is fixed in the switch cabinet, the drawer is at a separated position at the moment, the movable plug-in unit 301 of the primary plug-in unit 3 is not contacted with the static plug-in unit, and the movable plug-in unit 401 of the secondary plug-in unit 4 is not contacted with the static plug-in unit. The driving wheel 6 drives the screw rod sliding block 11 to move forwards for a certain distance, so that the movable plug-in unit II 401 of the secondary plug-in unit 4 is contacted with the static plug-in unit, and the movable plug-in unit I301 of the primary plug-in unit 3 is not contacted with the static plug-in unit, namely the testing position. The driving wheel 6 continues to drive the screw rod sliding block 11 to move forwards for a certain distance, so that the movable plug-in unit II 401 of the secondary plug-in unit 4 is kept in contact with the static plug-in unit, and the movable plug-in unit I301 of the primary plug-in unit 3 is in contact with the static plug-in unit, and at the moment, the working position is realized. And vice versa.

According to the pushing mechanism for the drawer plug-in unit of the switch cabinet, the movement of the drawer for executing the switching of the separation position, the test position and the working position can be realized only by controlling the movement of the primary plug-in unit and the secondary plug-in unit, the switching of the separation position, the test position and the working position can be completed without pushing and pulling the whole drawer, the switching of the position state is completed by adopting a transmission structure, the labor is saved, the operation difficulty is reduced, and meanwhile, the original protection grade of the switch cabinet is prevented from being reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a pushing mechanism of cubical switchboard drawer plug-in components, it includes drawer shell (1), its characterized in that: drawer shell (1) back is provided with push pedal (2), and primary plug-in components (3) and secondary plug-in components (4) fixed dress are in on push pedal (2), push pedal (2) are connected with drive mechanism, drive mechanism is connected with actuating mechanism, actuating mechanism's drive shaft (5) are followed the front side portion of drawer shell (1) stretches out, and the external drive power drive actuating mechanism linkage drive mechanism drives push pedal (2) is in back and forth movement realizes in drawer shell (1) the switching of isolated position, test position, the operating position of cubical switchboard drawer.

2. The pushing mechanism for a drawer insert of a switchgear cabinet according to claim 1, wherein: the transmission mechanism is positioned in the drawer shell (1).

3. The pushing mechanism for a drawer insert of a switchgear cabinet according to claim 1, wherein: the driving mechanism comprises a driving shaft (5), one end of the driving shaft (5) penetrates out of the front side end of the drawer shell (1), the other end of the driving shaft is connected with a driving wheel (6), and the driving wheel (6) is installed on a driving wheel supporting frame (7).

4. The pushing mechanism for a switch cabinet drawer insert of claim 3, wherein: the movable wheel support frame (7) is fixed on a bottom plate (101) of the drawer shell (1).

5. The pushing mechanism for a drawer insert of a switchgear cabinet according to claim 1 or 2, wherein: drive mechanism is including following driving wheel (8), follow driving wheel (8) and action wheel (6) linkage, install on driving wheel support frame (7) from driving wheel (8), output shaft (801) from driving wheel (8) are connected with the one end of transmission shaft (9), steering mechanism is connected to the other end of transmission shaft (9), steering mechanism connects screw mechanism's one end, screw mechanism's the other end is connected push pedal (2), be in from driving wheel (8) drive down through transmission shaft (9) linkage steering mechanism drive lead screw (10) and rotate, lead screw (10) rotate and to drive push pedal (2) be in back and forth movement in drawer housing (1).

6. The pushing mechanism for a drawer insert of a switchgear cabinet according to claim 5, wherein: the steering mechanism comprises an upper side steering gear (14) and a lower side steering gear (15), wherein the upper side steering gear (14) comprises a first bevel gear (1401) and a second bevel gear (1402) which are vertically meshed with each other, the lower side steering gear (15) comprises a third bevel gear (1501) and a fourth bevel gear (1502) which are vertically meshed with each other, the first bevel gear (1401) and the second bevel gear (1402) are arranged on an upper bevel wheel support (1403), the third bevel gear (1501) and the fourth bevel gear (1502) are arranged on a lower bevel gear support (1503), the first bevel gear (1401) is connected with a screw mechanism, the third bevel gear (1501) is connected with a transmission shaft (9), and the second bevel gear (1402) and the fourth bevel gear (1502) are connected through a middle shaft (16).

7. The pushing mechanism for a switch cabinet drawer insert of claim 6, wherein: the screw mechanism comprises a screw (10) and a screw sliding block (11), the screw sliding block (11) is arranged on the push plate (2), one end of the screw (10) penetrates through the screw sliding block (11) and is linked with the screw sliding block (11), and the other end of the screw is linked with the bevel gear I (1401);

one end of the screw rod (10) penetrates through the screw rod sliding block (11) and then is installed in a bearing seat (12), the bearing seat (12) is fixedly installed on a drawer back plate (13) on the back of the drawer shell (1), and the drawer back plate (13) and the drawer shell (1) are fixedly installed and located on the outer side of the push plate (2).

8. The pushing mechanism for a switch cabinet drawer insert of claim 6, wherein: the transmission shaft (9) is located at the front side in the drawer shell (1), the axis direction of the transmission shaft is arranged along the left-right direction of the drawer shell (1), the lead screw (10) is located at the left side and the right side in the drawer shell (1), the axis direction of the lead screw is arranged along the front-back direction of the drawer shell (1), the axis line of the middle shaft (16) is arranged in the vertical direction, and the second bevel gear (1402) and the fourth bevel gear (1502) are installed on the middle shaft (16) and can rotate around the axis line of the middle shaft (16) in the same direction.

9. The pushing mechanism for a switch cabinet drawer insert of claim 1, wherein: the transmission mechanism takes the driving mechanism as a symmetrical center and is symmetrically arranged at the left side and the right side in the drawer shell (1).

10. The pushing mechanism for a drawer insert of a switchgear cabinet according to claim 1, wherein: the movable plug-in unit (301) of the primary plug-in unit (3) comprises a shell (301a), a movable contact (301b) and a sliding block (301c), the sliding block (301c) drives the movable contact (301b) to move in the sliding process and to be in contact with the static plug-in unit, the shell (301a) of the movable plug-in unit (301) of the primary plug-in unit (3) is fixedly arranged on a drawer back plate (13), the sliding block (301c) of the movable plug-in unit (301) of the primary plug-in unit (3) is fixedly arranged on a push plate (2), and the movable plug-in unit (401) of the secondary plug-in unit (4) is fixedly arranged on the push plate (2).