CN111653974B - Propelling interlocking mechanism of low-voltage drawer type switch cabinet - Google Patents
Propelling interlocking mechanism of low-voltage drawer type switch cabinet Download PDFInfo
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- CN111653974B CN111653974B CN202010424955.5A CN202010424955A CN111653974B CN 111653974 B CN111653974 B CN 111653974B CN 202010424955 A CN202010424955 A CN 202010424955A CN 111653974 B CN111653974 B CN 111653974B
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- switch cabinet
- limiting
- pressure plate
- external switch
- inner drawer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention discloses a propulsion interlocking mechanism of a low-voltage drawer type switch cabinet, and relates to the technical field of switch cabinets. The external switch cabinet comprises an external switch cabinet body, a closed limiting lug is fixedly arranged at one corner inside the external switch cabinet body, two inner walls of the external switch cabinet body are symmetrically provided with a sliding guide limiting plate, a square groove is formed in the surface of the closed limiting lug and the sliding guide limiting plate, elastic elements are arranged inside the square groove, an elastic limiting assembly comprises a middle elastic balance block, tension springs are hung at two ends of the middle elastic balance block, fastening screws are arranged at the center of the middle elastic balance block in a threaded mode, the other end of each tension spring is hung on a hook block, the hook block is fixed on the surface of the external switch cabinet body, and the problem that when a traditional drawer-type switch cabinet is used, if the force of the pull of the traditional drawer-type switch cabinet is too large, the internal circuit components are damaged, and the subsequent use process of the traditional drawer-type switch cabinet is influenced is solved.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a propulsion interlocking mechanism of a low-voltage drawer type switch cabinet.
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. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of a power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.
However, when the conventional drawer-type switch cabinet is used, the pulling force is too large, which may cause damage to the internal circuit components and affect the subsequent use process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pushing interlocking mechanism of a low-voltage drawer type switch cabinet, which solves the problem that when a traditional drawer type switch cabinet is used, the pulling force is too large, so that the internal circuit components are damaged, and the subsequent use process is influenced.
In order to achieve the purpose, the invention is realized by the following technical scheme: the pushing interlocking mechanism of the low-voltage drawer type switch cabinet comprises an external switch cabinet body, wherein an inner drawer body is movably arranged inside the external switch cabinet body.
The external switch cabinet comprises an external switch cabinet body, a closed limiting protruding block is fixedly arranged at one corner inside the external switch cabinet body, two inner walls of the external switch cabinet body are symmetrically provided with a sliding guiding limiting plate, square grooves are formed in the surfaces of the closed limiting protruding block and the sliding guiding limiting plate, an elastic element is arranged inside each square groove, and a fixture block limiting block is fixedly arranged at one end of the top of the elastic element.
The inner drawer body comprises an inner drawer body, a guide sliding groove is formed in the outer wall of one side of the inner drawer body, an upper buckling hand groove is fixed to the upper side of the surface of one end of the inner drawer body, a lower buckling hand groove is fixed to the lower side of the surface of one end of the inner drawer body, guide sliding convex blocks are symmetrically arranged at the bottoms of two outer side walls of the inner drawer body, a closed limiting assembly, an open limiting assembly and an elastic limiting assembly are arranged on the surface of one side of the inner drawer body, and a through groove is formed in the surface of one side of the inner drawer body.
Preferably, the closing limiting assembly comprises a first rotating shaft and a first pressure plate, the first rotating shaft is rotatably connected with one end of a first clamping block, an angle limiting strip is arranged at the bottom of the first clamping block in a contact manner, the middle section of the first clamping block is rotatably connected with one end of a first connecting rod, the other end of the first connecting rod is rotatably connected with one end of the first limiting strip, the other end of the first limiting strip is fixedly connected with the surface of the first pressure plate, and two first springs are fixedly arranged on the other surface of the first pressure plate.
Preferably, the first pressure plate is arranged inside the upper buckle slot, the other end of the first spring is connected with the inner wall of the upper buckle slot, and the first rotating shaft is fixedly connected with the surface of the inner drawer main body.
Preferably, the opening limiting assembly comprises a second rotating shaft and a second pressure plate, a second clamping block is rotatably arranged on the surface of the second rotating shaft, the lower side of the middle section of the second clamping block is rotatably connected with one end of a second connecting rod, the other end of the second connecting rod is rotatably connected with one end of a second spring, the other end of the second spring is fixedly connected with the surface of the second pressure plate, and a second spring is fixedly connected to the other surface of the second pressure plate.
Preferably, the second pressure plate is disposed inside the lower catcher slot, and the other end of the second spring is connected to the inside of the lower catcher slot, and the second rotary shaft is fixedly connected to the surface of the inner drawer body.
Preferably, the elastic limiting assembly comprises a middle elastic balance block, tension springs are hung at two ends of the middle elastic balance block, fastening screws are arranged at the center of the middle elastic balance block in a threaded mode, and the other ends of the tension springs are hung on the hook blocks.
Preferably, the hook block is fixed on the surface of the external switch cabinet main body.
Advantageous effects
The invention provides a propulsion interlocking mechanism of a low-voltage drawer type switch cabinet. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a propulsion interlocking device of low pressure drawer type switch cabinet, include middle elastic balance piece through the elasticity restriction subassembly, the extension spring is all hung at the both ends of middle elastic balance piece, the central point of middle elastic balance piece puts and is provided with fastening screw with the screw thread mode, the other end of extension spring is hung and is established on the hook piece, the hook piece is fixed on the surface of external switch cabinet main part, traditional drawer type switch cabinet when using has been solved, the too big damage that can lead to its inside circuit components and parts of power of its pull, influence its subsequent use progress's problem.
2. The utility model provides a propelling interlocking device of low pressure drawer type switch cabinet, include first rotatory pivot and first pressure plate through closed restriction subassembly, the one end swivelling joint of first rotatory pivot and first fixture block, the bottom contact of first fixture block is provided with the angle restriction strip, the interlude of first fixture block and the one end swivelling joint of first connecting rod, the other end of first connecting rod and the one end swivelling joint of first restriction strip, the other end of first restriction strip and the fixed surface of first pressure plate are connected, the fixed two first springs that are provided with of another side of first pressure plate, make it restrict it when closed, and convenient for operation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of an external switch cabinet according to the present invention;
FIG. 3 is a bottom view of the inner drawer and the closure limiting assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the internal structure of the closure restraint assembly of the present invention;
FIG. 6 is a schematic view of the opening restraint assembly of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 6;
FIG. 8 is a schematic view of the internal structure of the opening restraint assembly of the present invention;
FIG. 9 is a schematic view of the elastic limiting assembly of the present invention.
In the figure: 1. an external switchgear body; 11. an external switchgear body; 12. closing the limiting lug; 13. an elastic element; 14. a fixture block limiting block; 15. a slide guide restricting plate; 2. an inner drawer body; 21. an inner drawer body; 22. a guide chute; 23. a hand buckling groove is arranged; 24. a hand groove is buckled; 25. a sliding guide projection; 26. a closure restraint assembly; 261. an angle limiting bar; 262. a first rotating shaft; 263. a first clamping block; 264. a first link; 265. a first restriction bar; 266. a first pressure plate; 267. a first spring; 27. opening the restricting assembly; 271. a second fixture block; 272. a second link; 273. a second rotating shaft; 274. a second pressure plate; 275. a second spring; 276. a second restriction bar; 28. an elastic restraining component; 281. a middle elastic balance block; 282. fastening screws; 283. a tension spring; 284. hooking the block; 29. a through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, the present invention provides a technical solution: a propulsion interlocking mechanism of a low-voltage drawer type switch cabinet comprises an external switch cabinet body 1, wherein an internal drawer body 2 is movably arranged inside the external switch cabinet body 1.
Referring to fig. 2, the external switch cabinet body 1 includes an external switch cabinet body 11, a closing limiting protrusion 12 is fixedly disposed at one corner inside the external switch cabinet body 11, two inner walls of the external switch cabinet body 11 are symmetrically provided with a sliding guiding limiting plate 15, square grooves are disposed on the surfaces of the closing limiting protrusion 12 and the sliding guiding limiting plate 15, an elastic element 13 is disposed inside each square groove, and a fixture block limiting block 14 is fixedly disposed at one end of the top of the elastic element 13.
Referring to fig. 3-9, the inner drawer body 2 includes an inner drawer body 21, a sliding guide slot 22 is formed in an outer wall of one side of the inner drawer body 21, an upper buckle slot 23 is fixed on an upper side of a surface of one end of the inner drawer body 21, a lower buckle slot 24 is fixed on a lower side of a surface of one end of the inner drawer body 21, sliding guide protrusions 25 are symmetrically arranged at bottoms of two outer side walls of the inner drawer body 21, a closing limiting component 26, an opening limiting component 27 and an elastic limiting component 28 are arranged on a surface of one side of the inner drawer body 21, and a through slot 29 is formed in a surface of one side of the inner drawer body 21.
Referring to fig. 3 to 5, the closing restriction assembly 26 includes a first rotation shaft 262 and a first pressure plate 266, the first rotation shaft 262 is rotatably connected to one end of a first block 263, an angle restriction bar 261 is disposed at the bottom of the first block 263 in a contacting manner, an intermediate section of the first block 263 is rotatably connected to one end of a first link 264, the other end of the first link 264 is rotatably connected to one end of a first restriction bar 265, the other end of the first restriction bar 265 is fixedly connected to a surface of the first pressure plate 266, two first springs 267 are fixedly disposed at the other side of the first pressure plate 266, the first pressure plate 266 is disposed inside the upper catcher groove 23, the other end of the first spring 267 is connected to an inner wall of the upper catcher groove 23, and the first rotation shaft 262 is fixedly connected to a surface of the inner drawer main body 21.
Referring to fig. 6 to 8, the opening restriction assembly 27 includes a second rotation shaft 273 and a second pressure plate 274, a second locking block 271 is rotatably disposed on a surface of the second rotation shaft 273, a lower side of an intermediate section of the second locking block 271 is rotatably connected to one end of a second link 272, the other end of the second link 272 is rotatably connected to one end of a second spring 275, the other end of the second spring 275 is fixedly connected to a surface of the second pressure plate 274, the other side of the second pressure plate 274 is fixedly connected to the second spring 275, the second pressure plate 274 is disposed inside the lower catcher slot 24, the other end of the second spring 275 is connected to the inside of the lower catcher slot 24, and the second rotation shaft 273 is fixedly connected to a surface of the inner drawer body 21.
Referring to fig. 2 and 9, the elastic limiting assembly 28 includes a middle elastic balance weight 281, wherein tension springs 283 are hung on two ends of the middle elastic balance weight 281, a fastening screw 282 is screwed in the center of the middle elastic balance weight 281, the other end of the tension spring 283 is hung on a hook block 284, and the hook block 284 is fixed on the surface of the external switch cabinet main body 11.
When the inner drawer body 21 is pulled and pulled, the sliding guide convex block 25 slides in the sliding guide limiting plate 15, the tension springs 283 at the two ends of the middle elastic balance weight 281 elastically limit the inner drawer body 21, the damage of the inner drawer body 2 caused by the strong pulling can be prevented, the tension springs 283 and the middle elastic balance weight 281 can limit the force, and the hook block 284 is fixed on the inner wall of the outer switch cabinet body 11, and the middle elastic balance weight 281 slides back and forth in the sliding guide groove 22 to adjust the elastic force;
when people need to push, a second pressure plate 274 is pinched from the lower handle groove 24, the second pressure plate 274 drives a second limiting strip 276, the second limiting strip 276 drives a second connecting rod 272 to jack the second clamping block 271, and the core limiting relationship is released, so that the inner drawer body 2 can move inwards;
when we push to a certain position, the first latch 263 is latched on the latch limiting block 14 on the closing limiting projection 12, and when we need to pull, the first pressure plate 266 in the upper handle groove 23 is pinched, so that the first pressure plate 266 pulls the first limiting strip 265, the first connecting rod 264 is forced to drive the first latch 263 to rotate, and then the first latch 263 is disengaged from the latch limiting block 14, and the inner drawer body 2 can be pulled.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a propulsion interlocking device of low pressure drawer type switch cabinet, includes the external switch cabinet body (1), its characterized in that: an inner drawer body (2) is movably arranged inside the external switch cabinet body (1);
the external switch cabinet body (1) comprises an external switch cabinet main body (11), a closed limiting lug (12) is fixedly arranged at one corner inside the external switch cabinet main body (11), two inner walls of the external switch cabinet main body (11) are symmetrically provided with a slide guiding limiting plate (15), square grooves are formed in the surfaces of the closed limiting lug (12) and the slide guiding limiting plate (15), an elastic element (13) is arranged inside each square groove, and a fixture block limiting block (14) is fixedly arranged at one end of the top of each elastic element (13);
the inner drawer body (2) comprises an inner drawer body (21), a guide sliding groove (22) is formed in the outer wall of one side of the inner drawer body (21), an upper buckle groove (23) is fixed on the upper side of the surface of one end of the inner drawer body (21), a lower buckle groove (24) is fixed on the lower side of the surface of one end of the inner drawer body (21), guide sliding lugs (25) are symmetrically arranged at the bottoms of two outer side walls of the inner drawer body (21), a closing limiting component (26), an opening limiting component (27) and an elastic limiting component (28) are arranged on the surface of one side of the inner drawer body (21), and a through groove (29) is formed in the surface of one side of the inner drawer body (21);
the closing limiting assembly (26) comprises a first rotating shaft (262) and a first pressure plate (266), the first rotating shaft (262) is rotatably connected with one end of a first clamping block (263), the bottom of the first clamping block (263) is provided with an angle limiting strip (261) in a contact manner, the middle section of the first clamping block (263) is rotatably connected with one end of a first connecting rod (264), the other end of the first connecting rod (264) is rotatably connected with one end of a first limiting strip (265), the other end of the first limiting strip (265) is fixedly connected with the surface of a first pressure plate (266), the other side of the first pressure plate (266) is fixedly provided with two first springs (267), the first pressure plate (266) is arranged inside the upper buckle groove (23), the other end of the first spring (267) is connected with the inner wall of the upper buckle groove (23), and the first rotating shaft (262) is fixedly connected with the surface of the inner drawer main body (21);
elasticity restriction subassembly (28) are including middle elasticity balancing piece (281), extension spring (283) have all been hung at the both ends of middle elasticity balancing piece (281), the central point of middle elasticity balancing piece (281) puts and is provided with fastening screw (282) with the screw thread mode, the other end of extension spring (283) is hung and is established on hook block (284), hook block (284) are fixed on the surface of external switch cabinet main part (11) for middle elasticity balancing piece (281) make a round trip to slide and adjust extension spring (283) elastic force in the inside of leading spout (22).
2. The push interlock mechanism of a low voltage drawer type switch cabinet as claimed in claim 1, wherein: the opening limiting assembly (27) comprises a second rotating shaft (273) and a second pressure plate (274), a second clamping block (271) is rotatably arranged on the surface of the second rotating shaft (273), the lower side of the middle section of the second clamping block (271) is rotatably connected with one end of a second connecting rod (272), the other end of the second connecting rod (272) is rotatably connected with one end of a second spring (275), the other end of the second spring (275) is fixedly connected with the surface of the second pressure plate (274), and the other surface of the second pressure plate (274) is fixedly connected with the second spring (275).
3. The push interlock mechanism of a low voltage drawer type switch cabinet as claimed in claim 2, wherein: the second pressure plate (274) is arranged inside the lower buckle groove (24), the other end of the second spring (275) is connected with the inside of the lower buckle groove (24), and the second rotating shaft (273) is fixedly connected with the surface of the inner drawer main body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424955.5A CN111653974B (en) | 2020-05-19 | 2020-05-19 | Propelling interlocking mechanism of low-voltage drawer type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424955.5A CN111653974B (en) | 2020-05-19 | 2020-05-19 | Propelling interlocking mechanism of low-voltage drawer type switch cabinet |
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| Publication Number | Publication Date |
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| CN111653974A CN111653974A (en) | 2020-09-11 |
| CN111653974B true CN111653974B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010424955.5A Active CN111653974B (en) | 2020-05-19 | 2020-05-19 | Propelling interlocking mechanism of low-voltage drawer type switch cabinet |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784039A (en) * | 2018-05-24 | 2018-11-13 | 苏州瓦尔尼智能科技有限公司 | A kind of stabilization moving assembly of household drawer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010025240A1 (en) * | 2010-06-26 | 2011-12-29 | Eaton Industries Gmbh | Locking device for a cabinet door |
| CN106786095B (en) * | 2016-12-30 | 2019-10-01 | 天津市天开高压设备制造有限公司 | A kind of low voltage cabinet drawer structure |
| CN107979015A (en) * | 2017-11-30 | 2018-05-01 | 中豪（天津）电力科技股份有限公司 | A kind of drawer type switchgear |
| CN208374855U (en) * | 2018-06-04 | 2019-01-15 | 杨军 | A kind of numerically-controlled machine tool workpiece drawer closing device |
| CN209981881U (en) * | 2019-05-21 | 2020-01-21 | 江苏福基电气有限公司 | Low-voltage extraction switch cabinet |
| CN210468577U (en) * | 2019-08-24 | 2020-05-05 | 合肥生力电力设备工程有限责任公司 | GCK drawer cabinet |
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2020
- 2020-05-19 CN CN202010424955.5A patent/CN111653974B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784039A (en) * | 2018-05-24 | 2018-11-13 | 苏州瓦尔尼智能科技有限公司 | A kind of stabilization moving assembly of household drawer |
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| CN111653974A (en) | 2020-09-11 |
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