CN217937624U

CN217937624U - Drawer pushing mechanism for drawer cabinet

Info

Publication number: CN217937624U
Application number: CN202221981024.6U
Authority: CN
Inventors: 唐学文; 叶义胜; 唐学军
Original assignee: Ruijiahong Intelligent Manufacturing Wuhan Co ltd
Current assignee: Ruijiahong Intelligent Manufacturing Wuhan Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-02
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a drawer push mechanism for drawer cabinet, including preceding cavity and back cavity, the back cavity set up in preceding cavity rear side below, and the two intercommunication still includes drive assembly, cam, first drive assembly, carousel, second drive assembly, trigger subassembly and micro-gap switch, drive assembly set up in preceding cavity inner chamber lower part, drive assembly's one end is passed the preceding curb plate of preceding cavity, the cam set up in the back cavity, drive assembly's the other end stretches into in the back cavity, and with the coaxial fixed connection of cam pivot, the other end of cam's pivot with the backplate of back cavity rotates to be connected, through drive assembly's corotation or reversal for trigger subassembly triggers corresponding micro-gap switch, shakes out the circuit breaker or takes load to close a floodgate circuit breaker with preventing the area load. The utility model provides a drawer push mechanism for drawer cabinet has the effect that improves the drawer cabinet safety in utilization.

Description

Drawer pushing mechanism for drawer cabinet

Technical Field

The utility model relates to a drawer cabinet technical field especially relates to a drawer push mechanism for drawer cabinet.

Background

The low-voltage draw-out type switch equipment has wide application range and large quantity at home and abroad, and new technology is continuously pushed out at home and abroad to meet market demands. The drawer technology is the key for determining the performance of the draw-out switch cabinet, the drawer pushing mechanism is the core component of the drawer, and the rationality of the pushing mechanism determines the advancement of the drawer technology.

The existing pushing mechanism can drive the rotating disc while pushing the drawer, so that the pointer points to a corresponding position on the rotating disc to indicate the state of the drawer cabinet.

In actual use, the circuit breaker is not allowed to be shaken out under load, and the circuit breaker is not allowed to be switched on under load, but the traditional pushing mechanism only can achieve the effects of pushing the drawer cabinet and indicating the state of the drawer cabinet, and aiming at the problems, the existing pushing mechanism needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a drawer pushing mechanism for a drawer cabinet, which aims to trigger a micro switch to open a circuit breaker when a pushing mechanism is driven to shake out a drawer, so as to prevent the circuit breaker from shaking out with load, and trigger the micro switch to trip the circuit breaker when the pushing mechanism is driven to shake in the drawer, so as to prevent the circuit breaker from closing with load, and thus improve the use safety of the drawer cabinet.

The specific technical scheme is as follows:

the utility model provides a drawer push mechanism for drawer cabinet, includes preceding cavity and back cavity, back cavity set up in preceding cavity rear side below, and the two intercommunication, its characterized in that: still include drive assembly, cam, first drive assembly, carousel, second drive assembly, trigger assembly and micro-gap switch, drive assembly set up in preceding cavity inner chamber lower part, drive assembly's one end is passed the preceding curb plate of preceding cavity, the cam set up in the back cavity, drive assembly's the other end stretches into in the back cavity, and with the coaxial fixed connection of one end of cam shaft, the cam shaft other end with the backplate of back cavity rotates to be connected, first drive assembly set up in the inner chamber middle part of preceding cavity, just first drive assembly with the drive assembly transmission is connected, the one end of first drive assembly is passed behind the preceding curb plate of preceding cavity with the carousel is connected, second drive assembly set up in the inner chamber upper portion of preceding cavity, just second drive assembly with first drive assembly transmission is connected, the one end of second drive assembly with the backplate of preceding cavity rotates to be connected, trigger assembly set up in preceding cavity top surface, trigger assembly's power input end stretches into in the preceding cavity with the transmission of second drive assembly is connected, trigger assembly's power output with the trigger end of micro-gap switch butt.

Foretell drawer push mechanism for cabinet still has such characteristic, drive assembly includes drive shaft and drive gear, the one end of drive shaft is passed the preceding curb plate of preceding cavity, just can supply hand cranking bar male jack is seted up to the one end terminal surface of drive shaft, the other end of drive shaft stretches into back cavity with the coaxial fixed connection of cam shaft, the drive gear cover is located in the drive shaft, just drive gear with a drive assembly transmission is connected.

The beneficial effect of above-mentioned scheme: the outer rocker rotates after being inserted into the jack, and then the drive shaft, the drive gear and the cam can be driven to rotate, the cam is used for pushing the drawer cabinet, and the drive gear is used for driving the first transmission assembly.

Foretell drawer push mechanism for drawer cabinet still has such characteristic, first drive assembly includes first transmission shaft, first input gear and first output gear, the one end of first transmission shaft pass behind the preceding curb plate of preceding cavity with the carousel is connected, first input gear with first output gear all overlaps and locates on the first transmission shaft, first input gear with drive gear meshing, first output gear with the transmission of second drive assembly is connected.

The beneficial effect of above-mentioned scheme: the driving gear drives the first input gear to rotate, the first transmission shaft and the first output gear are driven to rotate, the first transmission shaft drives the rotating disc to rotate, the state on the rotating disc is aligned to the pointer, the state of the drawer cabinet is indicated, and the first output gear drives the second transmission assembly.

The drawer pushing mechanism for the drawer cabinet is further characterized in that the second transmission assembly comprises a second transmission shaft, a second input gear and an intermittent gear, one end of the second transmission shaft is rotatably connected with the back plate of the front cavity, the second input gear and the intermittent gear are both sleeved on the second transmission shaft, the second input gear is meshed with the first output gear, and the intermittent gear is in transmission connection with the trigger assembly.

The beneficial effect of above-mentioned scheme: the first output gear drives the second input gear to rotate and drives the second transmission shaft to rotate, so that the intermittent gear rotates and is used for driving the trigger assembly to periodically operate.

Foretell drawer push mechanism for drawer cabinet still has such characteristic, trigger the subassembly and include power receiving block, the portion that resets that slides and promote the trigger plate, the through-hole has been seted up to preceding cavity roof, the portion that resets that slides set up in through-hole department, power receiving block upper end with the bottom surface that resets that slides is connected, power receiving block's lower extreme terminal surface is equipped with the tooth's socket, just the tooth's socket with intermittent gear periodic meshing, promote trigger plate set up in the top surface that resets that slides, promote trigger plate's one end with micro-gap switch's trigger end butt.

The beneficial effect of above-mentioned scheme: when the intermittent gear rotates, the intermittent gear is periodically meshed with the power receiving block, when the intermittent gear and the power receiving block are meshed, the power receiving block is forced to move leftwards or rightwards, when the intermittent gear and the power receiving block are separated, the sliding reset part drives the power receiving block to reset, the power receiving block, the sliding reset part and the pushing trigger plate periodically slide leftwards or rightwards, and the pushing trigger plate periodically triggers the microswitch.

Foretell drawer push mechanism for drawer cabinet still has such characteristic, the portion that resets that slides includes top slide, bottom slide, connecting block and two reset spring, the connecting block set up in the through-hole, two reset spring respectively with the left and right sides side of connecting block is connected, two reset spring keeps away from the one end of connecting block respectively with the both sides lateral wall of through-hole is connected, top slide with the upper end of connecting block is connected, the bottom slide with the lower extreme of connecting block is connected, just top slide with the bottom slide is laminated respectively the lateral surface and the medial surface of preceding cavity roof.

The beneficial effect of above-mentioned scheme: when the intermittent gear is meshed with the tooth grooves, the intermittent gear drives the power receiving block, the lower sliding plate, the connecting block and the upper sliding plate to translate and compress the return springs on the corresponding sides, and when the intermittent gear is separated from the tooth grooves, the return springs rebound to push the lower sliding plate, the connecting block and the upper sliding plate to reset so as to wait for the intermittent gear to be meshed with the tooth grooves next time.

Foretell drawer push mechanism for drawer cabinet still has such characteristic, still includes the fixed plate, and micro-gap switch's quantity is two, the fixed plate passes through the bolt fastening in the top of preceding cavity, two relative installation about the micro-gap switch in on the fixed plate, two micro-gap switch's trigger end all extend to with two power take off butt of trigger subassembly.

The beneficial effect of above-mentioned scheme: the micro switches are installed on the front cavity through the fixing plate, the two micro switches are respectively electrically connected with a circuit for controlling the opening of the breaker and a circuit for controlling the tripping of the breaker, and the two micro switches are respectively triggered by the two power output ends of the trigger assembly.

In conclusion, the scheme has the beneficial effects that:

the utility model provides an among the drawer push mechanism for the drawer cabinet, corotation or reversal through drive assembly for trigger the subassembly and trigger corresponding micro-gap switch, with the prevention load shake out the circuit breaker or the load closes a floodgate with the circuit breaker. The utility model provides a drawer push mechanism for drawer cabinet has the effect that improves the drawer cabinet safety in utilization.

Drawings

Fig. 1 is a schematic front view of a drawer pushing mechanism for a drawer cabinet according to the present invention;

fig. 2 is a schematic front sectional view of the drawer pushing mechanism for the drawer cabinet of the present invention;

fig. 3 is a schematic side sectional view of the drawer pushing mechanism for the drawer cabinet of the present invention;

fig. 4 is a schematic view of a front cut-open structure of the trigger component of the drawer pushing mechanism for the drawer cabinet.

Description of the drawings: 1. a front cavity; 2. a rear cavity; 3. a drive shaft; 4. a drive gear; 5. a cam; 6. a first transmission shaft; 7. a turntable; 8. a first input gear; 9. a first output gear; 10. a second transmission shaft; 11. a second input gear; 12. an intermittent gear; 13. a power receiving block; 14. pushing the trigger plate; 15. a lower slide plate; 16. an upper slide plate; 17. connecting blocks; 18. a spring; 19. a microswitch; 20. and (7) fixing the plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below with reference to embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the invention.

Fig. 1 is the utility model discloses a drawer push mechanism's for drawer cabinet orthographic view structure schematic diagram, fig. 2 is the utility model discloses a drawer push mechanism's for drawer cabinet orthographic view cuts open the structure schematic diagram, and fig. 3 is the utility model discloses a drawer push mechanism's for drawer cabinet side cuts open the structure schematic diagram, and fig. 4 is the utility model discloses a drawer push mechanism's for drawer cabinet trigger assembly department cuts open the structure schematic diagram, as shown in fig. 1, fig. 2, fig. 3, fig. 4, the drawer push mechanism for drawer cabinet that this embodiment provided: including preceding cavity 1 and back cavity 2, back cavity 2 sets up in preceding cavity 1 rear side below, and the two intercommunication, its characterized in that: still include drive assembly, cam 5, first drive assembly, carousel 7, second drive assembly, trigger assembly and micro-gap switch 19, drive assembly sets up in 1 inner chamber lower part of preceding cavity, the preceding curb plate of preceding cavity 1 is passed to drive assembly's one end, cam 5 sets up in back cavity 2, drive assembly's the other end stretches into in back cavity 2, and with the coaxial fixed connection of one end of cam 5 pivot, the cam 5 pivot other end rotates with the backplate of back cavity 2 to be connected, first drive assembly sets up in the inner chamber middle part of preceding cavity 1, and first drive assembly is connected with the drive assembly transmission, the one end of first drive assembly is passed behind the preceding curb plate of preceding cavity 1 and is connected with carousel 7, second drive assembly sets up in the inner chamber upper portion of preceding cavity 1, and second drive assembly is connected with the transmission of first drive assembly transmission, the one end of second drive assembly rotates with the backplate of preceding cavity 1 to be connected, trigger assembly sets up in preceding cavity 1 top surface, the power input of trigger assembly stretches into in being connected with the second drive assembly, the power output end of trigger assembly and the trigger end of micro-gap switch 19.

In the above-mentioned embodiment, drive assembly includes drive shaft 3 and drive gear 4, and the preceding curb plate of cavity 1 before the one end of drive shaft 3 passes, and the one end terminal surface of drive shaft 3 offers and to supply the male jack of hand rocker, and cavity 2 and the coaxial fixed connection of cam 5 pivot after the other end of drive shaft 3 stretches into, and drive gear 4 overlaps on drive shaft 3, and drive gear 4 is connected with first transmission assembly transmission.

In the above embodiment, the first transmission assembly includes the first transmission shaft 6, the first input gear 8 and the first output gear 9, one end of the first transmission shaft 6 passes through the front side plate of the front cavity 1 and then is connected to the turntable 7, the first input gear 8 and the first output gear 9 are both sleeved on the first transmission shaft 6, the first input gear 8 is engaged with the driving gear 4, and the first output gear 9 is in transmission connection with the second transmission assembly.

It should be noted that the first transmission shaft 6 passes through the front side plate of the front cavity 1, and the two are connected through a bearing, so that the first transmission shaft 6 is fixed in the axial direction.

It should be further noted that a fixed pointer is arranged on one side of the front face of the front side plate, characters of three states of the circuit breaker are arranged on the front face of the rotary table 7, and when the rotary table 7 rotates, states of the circuit breaker can be indicated according to the state characters facing the pointer.

In the above embodiment, the second transmission assembly includes the second transmission shaft 10, the second input gear 11 and the intermittent gear 12, one end of the second transmission shaft 10 is rotatably connected to the back plate of the front cavity 1, both the second input gear 11 and the intermittent gear 12 are sleeved on the second transmission shaft 10, the second input gear 11 is engaged with the first output gear 9, and the intermittent gear 12 is in transmission connection with the trigger assembly.

In the above embodiment, the trigger assembly includes a power receiving block 13, a sliding reset portion and a pushing trigger plate 14, a through hole is formed in a top plate of the front cavity 1, the sliding reset portion is disposed at the through hole, an upper end of the power receiving block 13 is connected to a bottom surface of the sliding reset portion, a lower end face of the power receiving block 13 is provided with a tooth socket, the tooth socket is periodically engaged with the intermittent gear 12, the pushing trigger plate 14 is disposed on a top surface of the sliding reset portion, and one end of the pushing trigger plate 14 abuts against a trigger end of the micro switch 19.

In the above-mentioned embodiment, the slip portion that resets includes top slide 16, lower slide 15, connecting block 17 and two reset spring 18, connecting block 17 sets up in the through-hole, two reset spring 18 are connected with connecting block 17's left and right sides side respectively, two reset spring 18 keep away from connecting block 17's one end and are connected with the both sides lateral wall of through-hole respectively, top slide 16 is connected with connecting block 17's upper end, lower slide 15 is connected with connecting block 17's lower extreme, and top slide 16 laminates lateral surface and the medial surface of preceding cavity 1 roof respectively with lower slide 15.

In the above embodiment, the device further includes a fixing plate 20, the number of the micro switches 19 is two, the fixing plate 20 is fixed on the top of the front cavity 1 through bolts, the two micro switches 19 are installed on the fixing plate 20 in a left-right opposite manner, and the triggering ends of the two micro switches 19 extend to abut against the two power output ends of the triggering assembly.

The two micro switches 19 are respectively used for controlling a load when the breaker is opened and a load when the breaker is closed, and when the corresponding micro switch 19 is triggered, the corresponding load is disconnected from the breaker.

The working principle is that a hand-operated rod is inserted into a jack and rotates clockwise, when test characters on a rotary disc 7 face a pointer, a primary circuit of a drawer cabinet is in an open circuit state, a secondary circuit is in a connected state, the hand-operated rod continues to rotate clockwise, a drawer gradually enters the cabinet, meanwhile, an intermittent gear 12 rotates and drives a power receiving block 13 to move rightwards, a trigger plate 14 is pushed to move rightwards, a microswitch 19 on the right side is pushed, a load is in an open circuit state, the circuit breaker is prevented from being switched on with the load, when the circuit breaker reaches a working position, the connection characters on the rotary disc 7 face the pointer, the intermittent gear 12 rotates to be separated from the power receiving block 13, under the action of a spring 18, the power receiving block 13 resets, when the drawer cabinet needs to be shaken out and the circuit breaker is switched off, the hand-operated rod rotates anticlockwise slightly, the circuit breaker is not switched off at the moment, the intermittent gear 12 drives the power receiving block 13 to translate leftwards, the trigger plate 14 is pushed to trigger the microswitch 19 on the left side, the microswitch 19 on the left side is controlled by the load, the load is switched off in advance, the drawer continues to rotate anticlockwise, and the drawer is pulled out of the cabinet body, and the breaker is prevented from being switched off with the load.

The above is merely a preferred embodiment of the present invention, and not intended to limit the scope and the range of the present invention, and those skilled in the art should be able to realize that all the equivalent substitutions and obvious changes made by the present invention description should be included in the scope of the present invention.

Claims

1. The utility model provides a drawer push mechanism for drawer cabinet, includes preceding cavity (1) and back cavity (2), back cavity (2) set up in preceding cavity (1) rear side below, and the two communicates its characterized in that: still include drive assembly, cam (5), first drive assembly, carousel (7), second drive assembly, trigger subassembly and micro-gap switch (19), drive assembly set up in preceding cavity (1) inner chamber lower part, drive assembly's one end is passed preceding curb plate of preceding cavity (1), cam (5) set up in back cavity (2), drive assembly's the other end stretches into in back cavity (2), and with the coaxial fixed connection of one end of cam (5) pivot, cam (5) pivot other end with the backplate of back cavity (2) rotates and connects, first drive assembly set up in the inner chamber middle part of preceding cavity (1), just first drive assembly with the drive assembly transmission is connected, the one end of first drive assembly is passed behind the preceding curb plate of preceding cavity (1) with carousel (7) are connected, second drive assembly set up in the inner chamber upper portion of preceding cavity (1), just second drive assembly with first drive assembly transmission connects, the one end of second drive assembly with preceding cavity (1) the rotation of drive assembly trigger the top surface of cavity (1) the power assembly and the connection of the input end, trigger power assembly (19) the input end connects before the drive assembly.

2. The drawer pushing mechanism for the drawer cabinet according to claim 1, wherein: drive assembly includes drive shaft (3) and drive gear (4), the one end of drive shaft (3) is passed the preceding curb plate of preceding cavity (1), just can supply hand cranking bar male jack has been seted up to the one end terminal surface of drive shaft (3), the other end of drive shaft (3) stretches into back cavity (2) with the coaxial fixed connection of cam (5) pivot, drive gear (4) cover is located on drive shaft (3), just drive gear (4) with a transmission assembly transmission is connected.

3. The drawer pushing mechanism for the drawer cabinet as claimed in claim 2, wherein: first transmission assembly includes first transmission shaft (6), first input gear (8) and first output gear (9), the one end of first transmission shaft (6) is passed behind the preceding curb plate of preceding cavity (1) with carousel (7) are connected, first input gear (8) with first output gear (9) all overlap and are located on first transmission shaft (6), first input gear (8) with drive gear (4) meshing, first output gear (9) with second transmission assembly transmission is connected.

4. The drawer pushing mechanism for the drawer cabinet according to claim 3, wherein: the second transmission assembly comprises a second transmission shaft (10), a second input gear (11) and an intermittent gear (12), one end of the second transmission shaft (10) is connected with the back plate of the front cavity (1) in a rotating mode, the second input gear (11) and the intermittent gear (12) are all sleeved on the second transmission shaft (10), the second input gear (11) is meshed with the first output gear (9), and the intermittent gear (12) is in transmission connection with the trigger assembly.

5. The drawer pushing mechanism for the drawer cabinet according to claim 4, wherein:

trigger the subassembly and include power receiving block (13), slide the portion that resets and promote trigger plate (14), the through-hole has been seted up to preceding cavity (1) roof, the portion that resets that slides set up in through-hole department, power receiving block (13) upper end with the bottom surface that the portion that resets that slides is connected, the lower extreme terminal surface that power receiving block (13) is equipped with the tooth's socket, just the tooth's socket with intermittent type gear (12) periodic meshing, promote trigger plate (14) set up in the top surface that the portion that resets slides, promote the one end that triggers plate (14) with the trigger end butt of micro-gap switch (19).

6. The drawer pushing mechanism for the drawer cabinet according to claim 5, wherein: slide reset portion includes top slide (16), lower slide (15), connecting block (17) and two reset spring (18), connecting block (17) set up in the through-hole, two reset spring (18) respectively with the left and right sides side of connecting block (17) is connected, two reset spring (18) are kept away from the one end of connecting block (17) respectively with the both sides lateral wall of through-hole is connected, top slide (16) with the upper end of connecting block (17) is connected, lower slide (15) with the lower extreme of connecting block (17) is connected, just top slide (16) with slide (15) is laminated respectively down the lateral surface and the medial surface of preceding cavity (1) roof.

7. The drawer pushing mechanism for the drawer cabinet according to any one of claims 1 to 6, wherein: still include fixed plate (20), and the quantity of micro-gap switch (19) is two, fixed plate (20) are fixed in through the bolt the top of preceding cavity (1), two relative installation about micro-gap switch (19) in on fixed plate (20), two the trigger end of micro-gap switch (19) all extend to with two power take off butt of trigger subassembly.