CN110783823A

CN110783823A - Knob type closing connection structure on electric cabinet opening

Info

Publication number: CN110783823A
Application number: CN201911069994.1A
Authority: CN
Inventors: 秦小燕
Original assignee: Xianning Hengzhou Information Technology Co Ltd
Current assignee: Shandong Yikai Electrical Equipment Co., Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-02-11
Anticipated expiration: 2039-11-05
Also published as: CN110783823B

Abstract

The invention discloses a knob type closing connection structure on an electric cabinet opening device, which comprises a beam frame, the middle part plug bush of front panel and plug-in strip switch plug-in strip is fixed with ceramic connecting piece, the shaping has the journal stirrup on the ceramic connecting piece, it has horizontal even axle to peg graft on the journal stirrup, even axle plug bush is at the both ends of linkage support, the middle part of linkage support is fixed with joint bearing, joint bearing's front end articulates on the gangbar through the articulated shaft, the gangbar is equipped with two and distributes in joint bearing's both sides, the shaping has the counter roll between the lower extreme of gangbar, the both ends of counter roll pass the side bearer plate plug bush and are fixed with the connecting rod, the lower extreme of connecting rod is pegged graft and is had horizontal drive shaft, the shaping of the lower part of side bearer plate has convex guide way, the interpolation of side bearer plate has the drive block, the shaping has vertical drive groove on the drive block, the drive shaft is pegged graft in the guide way. According to the invention, the opening and closing of the knife switch can be realized only by the cooperation of an external rotating tool, so that the knife switch can be conveniently controlled from the front side of the switch cabinet.

Description

Knob type closing connection structure on electric cabinet opening

Technical Field

The invention relates to the technical field of electrical switches, in particular to a knob type closing connection structure on an electrical cabinet opening device.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. At present, a main switch on a switch cabinet generally adopts a knife switch structure, the knife switch is arranged in the switch cabinet, an insulating spanner connected with the knife switch is arranged on the side wall of the switch cabinet, and the closing and opening of a knife switch on the knife switch are realized by upward and downward breaking of the insulating spanner, but with the structure, non-workers can also realize the control of the insulating spanner, the opening and closing of the knife switch are realized, and the use of the switch cabinet is influenced; and in some cases, the switch cabinets are abutted against the wall side by side, which is inconvenient for realizing the connection of the power supply from the side wall of the switch cabinet by using an insulating wrench.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a knob type closing connection structure on an electric cabinet opening device, which can realize the opening and closing of a knife switch by matching with an external rotating tool, so that the switch of the knife switch can be conveniently controlled from the front side of a switch cabinet.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a knob type switch-on structure on an electric switch cabinet comprises a beam frame fixed in a switch cabinet body and a front panel of the switch cabinet, wherein a plurality of groups of knife switch are fixed on the beam frame, each knife switch comprises a lower knife holder, an upper knife holder and a knife, a lower knife holder and an upper knife holder are respectively formed on the lower knife holder and the upper knife holder, the lower end of the knife is hinged on the lower knife holder through a hinged shaft, the upper end of the knife is inserted in the upper knife holder, a Contraband-shaped ceramic connecting piece is fixed on a middle insert sleeve of the knife, a support lug is formed on the ceramic connecting piece, a transverse connecting shaft is inserted on the support lug, the connecting shaft is inserted at two ends of a Contraband-shaped linkage bracket, a joint bearing is fixed at the middle part of the linkage bracket, the front end of the joint bearing is hinged on a linkage rod through a hinged shaft, two linkage rods are arranged at two sides of the joint bearing, a support shaft is formed between the lower ends of the linkage, two ends of the support shaft penetrate through the side support plate plug bush to be fixed with a connecting rod, the lower end of the connecting rod is plugged with a transverse driving shaft, the lower part of the side support plate is formed with an arc-shaped guide groove, a driving block is inserted in the side support plate, a vertical driving groove is formed in the driving block, and the driving shaft is plugged in the guide groove of the side support plate and the driving groove of the driving block; the front end of the driving block is hinged to a longitudinal stud, a threaded sleeve is screwed on the stud, two sides of the threaded sleeve are fixed on the side support plate, and the side support plate and the threaded sleeve are both fixed on the front panel; the front end face of the stud is formed with a polygonal clamping slot hole, and the front panel is formed with a jack opposite to the clamping slot hole.

Preferably, the ceramic connecting piece and the switch blade are connected in a mode that a plurality of pin shafts are fixedly inserted in the ceramic connecting piece and inserted in the switch blade.

Preferably, the linkage support adopts a ceramic piece, and the connecting shafts at two ends of the linkage support are inserted with ceramic spacer bushes.

Preferably, the joint bearing and the linkage support are fixed in a manner that the joint bearing is in socket joint with the linkage support, nuts are in threaded connection with the joint bearings on the front side and the rear side of the linkage support, and the nuts are pressed against the linkage support.

Preferably, the center distance between the fulcrum shaft and the hinged shaft on the switch blade is equal to the center distance between the hinged shaft on the joint bearing and the connecting shaft, and the center distance between the fulcrum shaft and the hinged shaft on the joint bearing is equal to the center distance between the connecting shaft and the hinged shaft on the switch blade.

Preferably, the circular arc center of the guide groove on the side support plate is located on the central axis of the fulcrum shaft.

Preferably, the width of the guide groove on the side support plate is equal to the width of the driving groove on the driving block, and the width of the driving groove is equal to the diameter of the driving shaft.

Preferably, the slot hole on the stud adopts a slot hole with a square cross section, the stud is hinged with the driving block in a mode that a flange is formed at one end of the stud close to the driving block, the flange is inserted in the driving block, a limiting sleeve is inserted on the stud, and the limiting sleeve is fixed on the driving block and abuts against the flange.

Preferably, the upper end face and the lower end face of the side support plate are respectively fixed with a transverse support rod, and the support rods are fixed on the front panel.

The invention has the beneficial effects that: the switch blade control structure provided by the utility model can realize the opening and closing of the switch blade only by the cooperation of an external rotating tool, so that non-working personnel are inconvenient to control the switch blade; and the knife switch is conveniently controlled from the front side of the switch cabinet.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a side view of the present invention;

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

fig. 4 is a schematic sectional view at a-a in fig. 3.

In the figure: 1. a beam frame; 2. a front panel; 21. a jack; 3. a lower tool apron; 31. a lower tool holder; 4. an upper tool apron; 41. an upper tool holder; 5. a knife switch; 6. a ceramic connecting member; 61. supporting a lug; 7. a connecting shaft; 8. a linkage bracket; 9. a knuckle bearing; 10. a nut; 11. a linkage rod; 111. a fulcrum; 12. a side bracket plate; 121. a guide groove; 13. a connecting rod; 14. a drive shaft; 15. a drive block; 151. a drive slot; 16. a stud; 161. a slot clamping hole; 162. a flange; 17. a ceramic spacer sleeve; 18. a threaded sleeve; 19. a limiting sleeve; 20. a support rod.

Detailed Description

Example (b): referring to fig. 1 to 4, a knob type closing connection structure on an electrical cabinet opening comprises a beam frame 1 fixed in a cabinet body of a switch cabinet and a front panel 2 of the switch cabinet, wherein a plurality of groups of knife switch switches are fixed on the beam frame 1, each knife switch consists of a lower knife holder 3, an upper knife holder 4 and a knife switch 5, a lower knife clamp 31 and an upper knife clamp 41 are respectively formed on the lower knife holder 3 and the upper knife holder 4, the lower end of the knife switch 5 is hinged on the lower knife clamp 31 through a hinged shaft, the upper end of the knife switch 5 is inserted in the upper knife clamp 41, a Contraband-shaped ceramic connecting piece 6 is fixed in a middle insertion sleeve of the knife switch 5, a support lug 61 is formed on the ceramic connecting piece 6, a transverse connecting shaft 7 is inserted on the support lug 61, the connecting shafts 7 are inserted at two ends of a Contraband-shaped linkage support 8, a joint bearing 9 is fixed in the middle of the linkage support 8, and the front end of the joint bearing 9 is hinged on a linkage rod 11 through a, the linkage rod 11 is provided with two linkage rods and distributed on two sides of the joint bearing 9, a support shaft 111 is formed between the lower ends of the linkage rods 11, two ends of the support shaft 111 penetrate through the side support plate 12 and are fixedly inserted with a connecting rod 13, the lower end of the connecting rod 13 is inserted with a transverse driving shaft 14, the lower part of the side support plate 12 is formed with a circular arc-shaped guide groove 121, a driving block 15 is inserted in the side support plate 12, a vertical driving groove 151 is formed in the driving block 15, and the driving shaft 14 is inserted in the guide groove 121 of the side support plate 12 and the driving groove 151 of the driving block 15; the front end of the driving block 15 is hinged to a longitudinal stud 16, a threaded sleeve 18 is screwed on the stud 16, two sides of the threaded sleeve 18 are fixed on the side support plate 12, and the side support plate 12 and the threaded sleeve 18 are both fixed on the front panel 2; a polygonal slot hole 161 is formed on the front end surface of the stud 16, and an insertion hole 21 opposite to the slot hole 161 is formed on the front panel 2.

Preferably, the ceramic connecting piece 6 and the switch blade 5 are connected in a manner that the ceramic connecting piece 6 is fixedly connected with a plurality of pin shafts in an inserting manner, and the pin shafts are connected with the switch blade 5 in an inserting manner.

Preferably, the linkage support 8 is made of ceramic, and the connecting shafts 7 at two sides of two ends of the linkage support 8 are inserted with ceramic spacers 17.

Preferably, the joint bearing 9 and the linkage support 8 are fixed in a manner that the joint bearing 9 is inserted into the linkage support 8, nuts 10 are screwed on the joint bearings 9 on the front side and the rear side of the linkage support 8, and the nuts 10 are pressed on the linkage support 8.

Preferably, the distance between the centers of the hinge shafts of the support shaft 111 and the knife switch 5 is equal to the distance between the centers of the hinge shafts of the knuckle bearing 9 and the connecting shaft 7, and the distance between the centers of the hinge shafts of the support shaft 111 and the knuckle bearing 9 is equal to the distance between the centers of the hinge shafts of the connecting shaft 7 and the knife switch 5.

Preferably, the center of the arc of the guide groove 121 on the side stand plate 12 is located on the central axis of the support shaft 111.

Preferably, the width of the guide groove 121 of the side bracket plate 12 is equal to the width of the driving groove 151 of the driving block 15, and the width of the driving groove 151 is equal to the diameter of the driving shaft 14.

Preferably, the slot hole 161 of the stud 16 is a slot hole with a square cross section, and the stud 16 is hinged to the driving block 15 in such a manner that a flange 162 is formed at one end of the stud 16 close to the driving block 15, the flange 162 is inserted into the driving block 15, a limiting sleeve 19 is inserted on the stud 16, and the limiting sleeve 19 is fixed on the driving block 15 and abuts against the flange 162.

Preferably, the upper and lower end surfaces of the side frame plate 12 are respectively fixed with a transverse support rod 20, and the support rods 20 are fixed on the front panel 2.

The working principle is as follows: the invention is a knob type closing connection structure on an electrical cabinet opening, a control structure for closing and opening a switch of a switch blade switch in the electrical cabinet opening is arranged on a front panel 2 of a switch cabinet, the opening structure is positioned by adopting a threaded connection structure, and a stud 16 in threaded connection can rotate only by being provided with a tool matched with a clamping groove hole 161, so that a non-worker can not open the switch blade switch generally;

when the switch is switched on, the ceramic connecting piece 6, the joint bearing 9, the linkage rod 11 and the switch blade 5 form a parallelogram structure, the linkage rod 11 rotates through the linkage of the linkage rod 11 and the switch blade 5, and the switch blade 5 also rotates; the driving block 15 can advance and retreat by rotating the stud 16, and the driving shaft 14 can move in the guide groove 121 of the side bracket plate 12, so that the fulcrum 111 on the linkage rod 11 can rotate; thereby controlling the rotation of the linkage rod 11.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.

Claims

1. The utility model provides a knob formula on electric cubical switchboard closes a floodgate and connects structure, front panel (2) including fixing roof beam structure (1) and the cubical switchboard in the cubical switchboard cabinet is internal, be fixed with a plurality of groups knife switch on roof beam structure (1), knife switch is by lower blade holder (3), go up blade holder (4) and plug-in strip (5) and constitute, lower blade holder (3) and last blade holder (4) go up the shaping respectively and have lower cutter holder (31) and last cutter holder (41), the lower extreme of plug-in strip (5) is articulated on lower cutter holder (31) through articulated axle, the upper end of plug-in strip (5) is inserted and is established in last cutter holder (41), its characterized in that: an Contraband-shaped ceramic connecting piece (6) is fixed in the middle of the knife switch (5) in an inserting way, a support lug (61) is formed on the ceramic connecting piece (6), a transverse connecting shaft (7) is inserted on the support lug (61), the connecting shaft (7) is inserted on two ends of a Contraband-shaped linkage support (8), a joint bearing (9) is fixed in the middle of the linkage support (8), the front end of the joint bearing (9) is hinged on a linkage rod (11) through a hinged shaft, the linkage rod (11) is provided with two parts and distributed on two sides of the joint bearing (9), a support shaft (111) is formed between the lower ends of the linkage rod (11), two ends of the support shaft (111) penetrate through a side support plate (12) in an inserting way to be fixed with a connecting rod (13), a transverse driving shaft (14) is inserted on the lower end of the connecting rod (13), a circular arc-shaped guide groove (121) is formed on the lower part of the side support plate (12), and a driving block (15) is inserted in, a vertical driving groove (151) is formed in the driving block (15), and the driving shaft (14) is inserted into the guide groove (121) of the side bracket plate (12) and the driving groove (151) of the driving block (15); the front end of the driving block (15) is hinged to a longitudinal stud (16), a threaded sleeve (18) is screwed on the stud (16), two sides of the threaded sleeve (18) are fixed on the side support plate (12), and the side support plate (12) and the threaded sleeve (18) are fixed on the front panel (2); the front end face of the stud (16) is provided with a polygonal clamping groove hole (161), and the front panel (2) is provided with a jack (21) opposite to the clamping groove hole (161).

2. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the ceramic connecting piece (6) and the switch blade (5) are connected in a mode that a plurality of pin shafts are fixedly inserted on the ceramic connecting piece (6) and inserted on the switch blade (5).

3. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the linkage support (8) is made of ceramic, and ceramic spacer bushes (17) are inserted and sleeved on the connecting shafts (7) on two sides of two ends of the linkage support (8).

4. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the joint bearing (9) and the linkage support (8) are fixed in a mode that the joint bearing (9) is inserted into the linkage support (8), nuts (10) are screwed on the joint bearing (9) on the front side and the rear side of the linkage support (8), and the nuts (10) are pressed on the linkage support (8).

5. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the center distance from the fulcrum shaft (111) to a hinged shaft on the switch blade (5) is equal to the center distance from the hinged shaft on the joint bearing (9) to the connecting shaft (7), and the center distance from the fulcrum shaft (111) to the hinged shaft on the joint bearing (9) is equal to the center distance from the connecting shaft (7) to the hinged shaft on the switch blade (5).

6. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the circular arc center of the guide groove (121) on the side support plate (12) is positioned on the central axis of the fulcrum (111).

7. The knob type closing connection structure for electric cabinet opening according to claim 6, wherein: the width of the guide groove (121) on the side support plate (12) is equal to the width of the driving groove (151) on the driving block (15), and the width of the driving groove (151) is equal to the diameter of the driving shaft (14).

8. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: a slotted hole (161) in the stud (16) is a slotted hole with a square cross section, the stud (16) is hinged with the driving block (15) in a mode that a flange (162) is formed at one end, close to the driving block (15), of the stud (16), the flange (162) is inserted into the driving block (15), a limiting sleeve (19) is inserted and sleeved on the stud (16), and the limiting sleeve (19) is fixed on the driving block (15) and abuts against the flange (162).

9. The knob type closing connection structure for electric cabinet opening according to claim 1, wherein: the upper end face and the lower end face of the side support plate (12) are respectively fixed with a transverse support rod (20), and the support rods (20) are fixed on the front panel (2).