CN111063575B - Switch cabinet with cabinet door and grounding switch interlocking device - Google Patents
Switch cabinet with cabinet door and grounding switch interlocking device Download PDFInfo
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- CN111063575B CN111063575B CN201910996061.0A CN201910996061A CN111063575B CN 111063575 B CN111063575 B CN 111063575B CN 201910996061 A CN201910996061 A CN 201910996061A CN 111063575 B CN111063575 B CN 111063575B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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Abstract
The invention relates to a switch cabinet with a cabinet door and grounding switch interlocking device, which comprises a cabinet body, a cabinet door, an operating shaft and an interlocking device, wherein the interlocking device comprises a top shaft, a reset spring, an operating shaft interlocking piece and a top shaft interlocking piece; when the top shaft moves to the locking position, the top shaft interlocking piece and the operating shaft interlocking piece are correspondingly matched and locked to prevent the operating shaft from rotating, and when the top shaft moves to the unlocking position, the top shaft interlocking piece and the operating shaft interlocking piece are mutually separated to prevent the operating shaft from rotating; the operating shaft locking piece comprises a fixed sleeve coaxially fixed on the operating shaft; the top shaft interlocking piece comprises a clutch sleeve movably sleeved on the operating shaft and a movable connecting piece, and the movable connecting piece comprises a longitudinal section extending along the radial direction of the operating shaft and a transverse section extending along the axial direction of the operating shaft; the top shaft and the clutch sleeve are fixed on the longitudinal section and are distributed at intervals along the radial direction of the operating shaft; the invention solves the technical problem that the interlocking device in the prior art is easy to damage.
Description
Technical Field
The invention relates to a switch cabinet with a cabinet door and grounding switch interlocking device.
Background
At present, switch cabinet products are provided with cabinet door and grounding switch interlocking devices, and the cabinet door and grounding switch interlocking devices enable a switch cabinet to be normally opened and closed only after a cabinet door is closed; when the cabinet door is in an open state, the grounding switch operating shaft cannot be switched on and off so as to prevent live working from hurting the safety of maintainers.
In the prior art, as disclosed in chinese patent No. CN208767209U, a switch cabinet grounding interlock device includes a support seat disposed in a switch cabinet body, a push rod movably disposed on the support seat, and a return spring disposed between the push rod and the support seat, wherein one end of the push rod has a limiting portion, the limiting portion is provided with a lock groove, an operating shaft of the grounding switch is provided with an interlock shaft, the interlock shaft is provided with a lock sleeve matched with the lock groove, and the lock sleeve form a limit fit of the interlock shaft and the push rod. During operation, the switch cabinet door is closed, the switch cabinet door pushes the ejector rod to act, so that the lock groove on the limiting part is separated from the lock sleeve on the interlocking shaft, the operating shaft and the ejector rod are unlocked, and the grounding switch can be operated to be switched on and switched off; when the switch cabinet door is opened, the ejector rod resets under the action of the reset spring, the lock groove on the ejector rod is clamped on the lock sleeve on the interlocking shaft, the locking of the operating shaft and the ejector rod is realized, and therefore the grounding switch cannot be operated.
The switch cabinet grounding interlocking device is equivalent to that a stop part (lock sleeve) which is radially suspended is arranged on an operating shaft (interlocking shaft), then the stop part is caught from one side of the operating shaft in the radial direction by utilizing the self-limiting part of the top shaft to stop the operating shaft from rotating, the top shaft is directly subjected to the shearing force of the lock sleeve in the limiting mode, and the interlocking device is easy to damage.
Disclosure of Invention
The invention aims to provide a switch cabinet with a cabinet door and a grounding switch interlocking device, which is used for solving the technical problem that the interlocking device in the prior art is easy to damage.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a switchgear cabinet having a cabinet door and earthing switch interlock, comprising: a cabinet body and a cabinet door;
the axis of the operating shaft extends along the front-back direction, is rotatably assembled in the cabinet body and is used for driving the grounding switch to be switched on and off;
the interlocking device comprises a top shaft, a return spring, an operating shaft interlocking piece and a top shaft interlocking piece;
the top shaft is movably assembled in the cabinet body along the front-back direction and is parallel to the operating shaft, and the moving stroke of the top shaft is provided with an unlocking position and a locking position; the top shaft is provided with a pushing part which is used for bearing forward pushing force applied to the top shaft when the cabinet door is closed so as to enable the top shaft to move forward to an unlocking position;
the reset spring is used for driving the top shaft to move backwards when the cabinet door is opened so as to enable the top shaft to move to a locking position;
the operating shaft interlocking part is arranged on the operating shaft;
the jacking shaft interlocking piece is arranged on the jacking shaft and moves back and forth along with the jacking shaft;
when the top shaft moves to the locking position, the top shaft interlocking piece and the operating shaft interlocking piece are correspondingly matched and locked to prevent the operating shaft from rotating, and when the top shaft moves to the unlocking position, the top shaft interlocking piece and the operating shaft interlocking piece are separated from each other to prevent the operating shaft from rotating without being limited by the interlocking device;
the operating shaft interlocking piece comprises a fixing sleeve which is coaxially and fixedly sleeved on the operating shaft and synchronously rotates along with the operating shaft;
the top shaft interlocking part comprises a clutch sleeve, the clutch sleeve moves along the front-back direction and is sleeved on the operating shaft, and the clutch sleeve is coaxially and rotationally matched with the operating shaft;
the clutch sleeve and the fixing sleeve are correspondingly provided with locking structures, and the locking structures of the clutch sleeve and the fixing sleeve are mutually inserted and matched in a rotation stopping way when the top shaft moves to a locking position, so that the top shaft interlocking piece and the operation shaft interlocking piece are correspondingly matched and locked;
the top shaft interlocking piece further comprises a movable connecting piece, the movable connecting piece comprises a longitudinal section and a transverse section, the longitudinal section extends along the radial direction of the operating shaft, and the transverse section extends along the axial direction of the operating shaft; one end of the transverse section is fixedly connected with the longitudinal section, and the other end of the transverse section is movably assembled on the cabinet body in a guiding manner;
the top shaft and the clutch sleeve are fixed on the longitudinal section and are distributed at intervals along the radial direction of the operating shaft; the top shaft is between the operating shaft and the transverse section in the radial direction.
The beneficial effects of this technical scheme are: the interlocking device realizes interlocking between the operation shaft of the grounding switch and the cabinet door, wherein a fixed sleeve coaxially fixed on the operation shaft and a clutch sleeve which moves back and forth and is sleeved on the operation shaft form a clutch structure capable of realizing clutch, the clutch sleeve can rotate relative to the operation shaft, the corresponding end surfaces of the fixed sleeve and the clutch sleeve are provided with locking structures, the fixed sleeve and the clutch sleeve are matched for locking when the cabinet door is opened so as to prevent the operation shaft from rotating, and the clutch sleeve and the fixed sleeve are separated from releasing the locking of the operation shaft when the cabinet door is closed. According to the invention, the clutch sleeve and the jacking shaft are fixed on the longitudinal section of the movable connecting piece in parallel, the transverse section of the movable connecting piece is in guide movable fit with the cabinet body in the front-back direction, the position of the cabinet body for installing the jacking shaft is supplemented by the movable connecting piece, the jacking shaft is sent to a position closer to the operating shaft, and the space between the jacking shaft and the operating shaft in the cabinet body is not occupied, so that the space between the jacking shaft and the operating shaft can be smaller, and the space for guide fit installation of the transverse section and the cabinet body is ensured to be large enough; meanwhile, because the top shaft is closer to the position of the operation shaft, the clutch sleeve coaxially sleeved with the operation shaft is smaller in torque of the operation shaft, the clutch sleeve and the movable connecting piece are not easy to deflect, the interlocking device is not easy to damage, and the top shaft is ensured to be accurately matched with the cabinet door.
Furthermore, the number of the movable connecting pieces is two, the two movable connecting pieces are respectively a first movable connecting piece and a second movable connecting piece, the position, fixedly connected with the jacking shaft, of the first movable connecting piece is close to the front end of the jacking shaft, and the position, fixedly connected with the jacking shaft, of the second movable connecting piece is located in the middle of the jacking shaft. Two swing joint spare support the apical axis from two axial positions of apical axis, guarantee support stability.
Further, first movable connecting piece and second movable connecting piece are the L type bent plate structure that has horizontal section and vertical section, and the horizontal section of first movable connecting piece and the horizontal section parallel stack of second movable connecting piece arrange, all offer the direction slot hole that extends along the fore-and-aft direction on the horizontal section of first movable connecting piece and the horizontal section of second movable connecting piece, are fixed with the guiding axle on the cabinet body, the guiding axle with direction slot hole direction cooperation. The bent plate structure can adapt to the internal structure of the cabinet body to realize the connection of the bent plate structure with the top shaft and the cabinet body; the transverse sections of the bent plate structure are parallelly superposed at the same position and are in guiding, moving and matching with the cabinet body, so that the structure is concentrated and compact.
Furthermore, the cabinet body is provided with a fixed connecting piece, the fixed connecting piece is provided with a guide hole for guiding the movable penetrating and installing of the jacking shaft, the guide hole is positioned between the first movable connecting piece and the second movable connecting piece, and the reset spring is arranged between the fixed connecting piece and the first movable connecting piece. The fixed connecting piece plays the slip support between two swing joint spare, and two swing joint spare and a fixed connecting piece in the middle of the two form the three point support structure of both ends fixed stay and middle swing joint spare, guarantee the stability of apical axis, simultaneously, are favorable to adorning reset spring top between fixed connecting piece and first swing joint spare.
Furthermore, a fixed connecting piece is arranged on the cabinet body, a guide hole is formed in the fixed connecting piece and used for guiding the top shaft to movably penetrate through, the guide hole is located between the first movable connecting piece and the second movable connecting piece, and the reset spring is arranged between the fixed connecting piece and the first movable connecting piece in a propping mode; the fixed connecting piece is an L-shaped bent plate structure with a transverse section and a longitudinal section, the transverse section extends along the front-back direction, the guide hole is formed in the longitudinal section, and the reset spring is arranged between the fixed connecting piece and the longitudinal section of the first movable connecting piece. The fixed connecting piece and the two movable connecting pieces are bent plate structures arranged side by side, and the structure is simple and compact.
Further, the transverse section of the fixed connecting piece is fixedly installed on the guide shaft, the transverse section of the first movable connecting piece and the transverse section of the second movable connecting piece are respectively located on the two sides of the transverse section of the fixed connecting piece, and the transverse section of the first movable connecting piece and the transverse section of the second movable connecting piece are respectively attached to the two sides of the transverse section of the fixed connecting piece, which are back to back. The bent plate structure that three structures are unanimous to three horizontal section laminating sets up and installs the same position at the cabinet body, reduces occupation space, and the structure is compacter.
Further, the cabinet body comprises an upright post and a side plate fixed on the upright post, and the guide shaft is fixed on the upright post. The guide shaft is directly fixed on the upright post fixed on the cabinet body, and the sealing performance of the side plate of the cabinet body cannot be damaged.
Furthermore, gear shaping structures which are mutually inserted are arranged on the corresponding end surfaces of the clutch sleeve and the fixed sleeve, the gear shaping structures form the locking structure, and the gear shaping structures form stop matching in the circumferential direction of the fixed sleeve and the clutch sleeve, so that the locking is more reliable.
Drawings
Fig. 1 is a schematic structural diagram of a switch cabinet having a cabinet door and earthing switch interlocking device in embodiment 1 of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic operation diagram of a switch cabinet having a cabinet door and grounding switch interlocking device in embodiment 1 of the present invention;
in the figure: 1. the cabinet door comprises a cabinet door body, 2, a stand column, 3, a first movable connecting piece, 4, a fixed connecting piece, 5, a jacking shaft, 6, an operating shaft, 7, a second movable connecting piece, 8, a clutch sleeve, 9, a reset spring, 10, a jacking screw, 11, a fixed sleeve, 12, a guide shaft, 13, a guide long hole, 14, a longitudinal section, 15, a transverse section, 16, a gear shaping structure, 21 and a side plate.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment 1 of the switch cabinet with the interlocking device of the cabinet door and the grounding switch, as shown in fig. 1-3, comprises a cabinet body, the cabinet door 1 and an operating shaft 6; in this embodiment, the cabinet door 1 is a rear door installed at the rear side of the cabinet body, the axis extending direction of the operating shaft 6 is the front-rear direction, the operating shaft 6 is an operating main shaft of the earthing switch, and the operating shaft is rotatably installed in the cabinet body and used for driving the earthing switch to be switched on and off in a rotating manner.
The switch cabinet also comprises a cabinet door and a grounding switch interlocking device which are arranged in the cabinet body, the interlocking device has the function of preventing the operation shaft from rotating/removing the rotation limitation of the operation shaft when the back door is opened/closed, the interlocking device is divided into two parts, the operation shaft interlocking piece rotates along with the operation shaft, the top shaft interlocking piece can be pushed by the back door to move back and forth and comprises a first movable connecting piece 3, a second movable connecting piece 7, a fixed connecting piece 4, a top shaft 5, a reset spring 9 and a clutch sleeve 8; the operation shaft interlocking part comprises a fixed sleeve 11; the top shaft 5 and the operating shaft 6 are arranged side by side, the top shaft 5 is assembled on the cabinet body in a moving mode along the front-back direction, and the top shaft 5 is provided with an unlocking position and a locking position in the moving process; the top shaft 5 is provided with a pushing part, the pushing part is used for bearing forward pushing force applied to the top shaft 5 when the cabinet door 1 is closed, the cabinet door 1 pushes the top shaft 5 forward to move to an unlocking position, and when the cabinet door 1 is opened, the top shaft 5 moves backward to the locking position under the drive of the reset spring 9. In this embodiment, the pushing portion is the rear end of the top shaft 5, and in other embodiments, a pushing structure may be fixed to the rear end of the top shaft 5.
The first movable connecting piece 3, the second movable connecting piece 7 and the fixed connecting piece 4 are all of bent plate structures, and the bent plate structures are integrally formed by bending metal plates; the bent plate structure comprises a transverse section 13 and a longitudinal section 14, wherein the transverse section 13 extends along the axial direction of the operating shaft 6, namely the extending direction is the front-back direction; the longitudinal segments 14 extend radially of the operating axis, i.e. in a direction perpendicular to the transverse segments. The longitudinal section of the first movable connecting piece 3 and the longitudinal section of the second movable connecting piece 7 are respectively fixedly connected with the top shaft 5, wherein the longitudinal section of the first movable connecting piece 3 is fixed at the middle position of the top shaft 5, and the longitudinal section of the second movable connecting piece 7 is fixed at the front end position of the top shaft 5 and is locked and fixed by a locking nut. The transverse section of the first movable connecting piece 3 and the transverse section of the second movable connecting piece 7 are respectively assembled on the cabinet body in a guiding and moving manner along the front-back direction; the cabinet body comprises an upright post 2 and a side plate fixed on the upright post 2, the cross section of the upright post 2 is of a U-shaped structure with a front opening, in the embodiment, a through hole for the rear end of the top shaft 5 to penetrate through is formed in the bottom wall of the U-shaped structure, when the cabinet door 1 is opened, the top shaft 5 moves backwards under the action of a return spring 9, and the rear end of the top shaft 5 penetrates through the through hole; a guide shaft 12 is fixed on the side wall of the U-shaped structure positioned in the cabinet body, and the axial extension direction of the guide shaft is vertical to the top shaft; all set up the direction slot hole 13 that extends along the fore-and-aft direction on the horizontal section of first movable connecting piece 3 and the horizontal section of second movable connecting piece 7, guide shaft 12 and direction slot hole 13 cooperation.
A guide hole for guiding the top shaft 5 to penetrate is formed in the longitudinal section of the fixed connecting piece 4, and the transverse section of the fixed connecting piece 4 is fixedly arranged on the guide shaft 12; the horizontal section of first movable connecting piece 3, the horizontal section of second movable connecting piece 7 are located the both sides that back to each other of the horizontal section of fixed connection 4 respectively to the horizontal section of first movable connecting piece 3, the horizontal section of second movable connecting piece 7 laminate with the corresponding side of the horizontal section of fixed connection 4 respectively. A return spring 9 is mounted between the longitudinal section of the first movable connecting element 3 and the longitudinal section of the fixed connecting element 4.
The fixed sleeve 11 and the clutch sleeve 8 are both hollow sleeve structures; the fixing sleeve 11 is coaxially fixed on the operating shaft 6. In the present embodiment, the fixing sleeve 11 is fixed to the operating shaft 6 by radially mounted screws 10. The clutch sleeve 8 moves along the front-back direction and is sleeved on the operating shaft 6, and the clutch sleeve 8 is coaxially and rotationally matched with the operating shaft 6; the front end of the clutch sleeve 8 is fixed on the rear plate surface of the longitudinal section of the second movable connecting piece 7, the clutch sleeve 8 and the jacking shaft 5 are fixed on the longitudinal section side by side and are distributed at intervals along the radial direction of the operating shaft, and the jacking shaft 5 is positioned between the operating shaft 6 and the transverse section in the radial direction of the operating shaft 6. When the jacking shaft 5 moves back and forth, the jacking shaft 5 drives the first movable connecting piece 3, the second movable connecting piece 7 and the clutch sleeve 8 to synchronously move forward, the first movable connecting piece 3 and the second movable connecting piece 7 provide support and guide for the jacking shaft 5, and the clutch sleeve 8, the first movable connecting piece 3 and the second movable connecting piece 7 form a jacking shaft interlocking piece.
The corresponding end surfaces of the clutch sleeve 8 and the fixed sleeve 11 are provided with gear shaping structures 16 which can be mutually inserted, the gear shaping structures form a locking structure, when the jacking shaft 5 drives the clutch sleeve 8 to move backwards, the gear shaping structures on the clutch sleeve 8 and the fixed sleeve 11 are correspondingly inserted and matched in a rotation stopping way (blocked in the rotation direction), and the clutch sleeve 8 and the fixed sleeve 11 realize the rotation stopping way matching; when the top shaft 5 drives the clutch sleeve 8 to move forward, the clutch sleeve 8 is separated from the fixed sleeve 11, and the clutch sleeve 8 is released from the rotation stopping fit with the fixed sleeve 11.
The working process of the switch cabinet with the interlocking device of the cabinet door and the grounding switch comprises the following steps: under cabinet door 1 is in open mode, reset spring 9 applys the effort backward for first movable connecting piece 3, orders about first movable connecting piece 3 and takes apical axis 5 to move backward, and apical axis 5 drives separation and reunion cover 8 and fixed cover 11 splines cooperation backward, because fixed cover 11 splines cooperation with separation and reunion cover 8, has prevented operating shaft 6 to rotate, and the unable earthing switch of operating carries out divide-shut brake operation. When the cabinet door 1 is closed, the cabinet door 1 pushes the jacking shaft 5 to move forwards, the jacking shaft 5 drives the clutch sleeve 8 to be separated from the fixed sleeve 11 forwards, the rotation stopping matching relation is relieved, and at the moment, the fixed sleeve 11 and the operation shaft 6 are unlocked, so that the grounding switch can be operated to perform switching-on and switching-off operation.
It should be noted that, in the existing switch cabinet, a reverse interlocking structure of the grounding switch and the cabinet door is further provided, so that the cabinet door can be opened only when the grounding switch is in a grounded state, that is, when the cabinet door 1 is opened, the angular position of the operating shaft 6 is fixed, and it is ensured that the fixing sleeve 11 and the clutch sleeve 8 in the present invention can be locked in cooperation all the time when the cabinet door is opened.
The invention has the specific embodiment 2 of the switch cabinet with the interlocking device of the cabinet door and the grounding switch, and is different from the embodiment 1 in that two movable connecting pieces are arranged in the embodiment 1, namely a first movable connecting piece and a second movable connecting piece respectively. One movable connecting piece can be provided with one longitudinal section or two longitudinal sections, and the two longitudinal sections respectively support the top shaft along the axial interval of the top shaft.
The embodiment 3 of the present invention is different from the embodiment 1 in that the fixed connecting member is omitted and the top shaft is supported and guided by two movable connecting members.
In embodiment 4 of the present invention, different from embodiment 1, the fixed connection member and the two movable connection members may not be attached to each other, the fixed connection member may also be welded and fixed to the cabinet body, linear guide rails are respectively installed between the two movable connection members and the cabinet body, and the two movable connection members are guided and assembled with the cabinet body through the linear guide rails.
In embodiment 5 of the present invention, different from embodiment 1, the locking structure between the clutch sleeve and the fixed sleeve may be replaced with another structure, for example, the locking is realized by the friction force between the corresponding end surfaces of the clutch sleeve and the fixed sleeve.
Claims (5)
1. A switchgear cabinet having a cabinet door and earthing switch interlock, comprising:
a cabinet body and a cabinet door;
the axis of the operating shaft extends along the front-back direction, is rotatably assembled in the cabinet body and is used for driving the grounding switch to be switched on and off;
the interlocking device comprises a top shaft, a return spring, an operating shaft interlocking piece and a top shaft interlocking piece;
the top shaft is movably assembled in the cabinet body along the front-back direction and is parallel to the operating shaft, and the moving stroke of the top shaft is provided with an unlocking position and a locking position; the top shaft is provided with a pushing part which is used for bearing forward pushing force applied to the top shaft when the cabinet door is closed so as to enable the top shaft to move forward to an unlocking position;
the reset spring is used for driving the top shaft to move backwards when the cabinet door is opened so as to enable the top shaft to move to a locking position;
the operating shaft interlocking part is arranged on the operating shaft;
the top shaft interlocking piece is arranged on the top shaft and moves back and forth along with the top shaft;
when the top shaft moves to the locking position, the top shaft interlocking piece and the operating shaft interlocking piece are correspondingly matched and locked to prevent the operating shaft from rotating, and when the top shaft moves to the unlocking position, the top shaft interlocking piece and the operating shaft interlocking piece are separated from each other to prevent the operating shaft from rotating without being limited by the interlocking device;
the locking device is characterized in that the operating shaft locking piece comprises a fixing sleeve which is coaxially and fixedly sleeved on the operating shaft and synchronously rotates along with the operating shaft;
the top shaft interlocking part comprises a clutch sleeve, the clutch sleeve moves along the front-back direction and is sleeved on the operating shaft, and the clutch sleeve is coaxially and rotationally matched with the operating shaft;
the clutch sleeve and the fixing sleeve are correspondingly provided with locking structures, and the locking structures of the clutch sleeve and the fixing sleeve are mutually inserted and matched in a rotation stopping way when the top shaft moves to a locking position, so that the top shaft interlocking piece and the operation shaft interlocking piece are correspondingly matched and locked;
the top shaft interlocking piece further comprises a movable connecting piece, the movable connecting piece comprises a longitudinal section and a transverse section, the longitudinal section extends along the radial direction of the operating shaft, and the transverse section extends along the axial direction of the operating shaft; one end of the transverse section is fixedly connected with the longitudinal section, and the other end of the transverse section is movably assembled on the cabinet body in a guiding manner; the two movable connecting pieces are respectively a first movable connecting piece and a second movable connecting piece, the longitudinal section of the first movable connecting piece is fixed in the middle of the top shaft, and the longitudinal section of the second movable connecting piece is fixed at the front end of the top shaft;
the clutch sleeve is fixed on the longitudinal section of the second movable connecting piece and is distributed with the jacking shaft at intervals along the radial direction of the operating shaft; the top shaft is located between the operating shaft and the transverse sections of the first movable connecting piece and the second movable connecting piece in the radial direction;
a guide shaft is fixed on the cabinet body, guide long holes extending along the front-back direction are formed in the transverse section of the first movable connecting piece and the transverse section of the second movable connecting piece, and the guide shaft is in guide fit with the guide long holes;
the top shaft interlocking piece further comprises a fixed connecting piece, the fixed connecting piece comprises a fixed connecting piece longitudinal section and a fixed connecting piece transverse section, the fixed connecting piece longitudinal section extends along the radial direction of the operating shaft, a guide hole is formed in the fixed connecting piece longitudinal section, and the top shaft is arranged in the guide hole in a penetrating mode; the transverse section of the fixed connecting piece extends along the axial direction of the operating shaft, the transverse section of the first movable connecting piece, the transverse section of the second movable connecting piece and the transverse section of the fixed connecting piece are parallelly overlapped and arranged in a laminating manner, and the transverse section of the first movable connecting piece and the transverse section of the second movable connecting piece are respectively positioned on two opposite sides of the fixed connecting piece; the transverse section of the fixed connecting piece is fixed on the guide shaft.
2. The switchgear cabinet as claimed in claim 1, wherein the return spring is arranged between the longitudinal section of the fixed connection member and the longitudinal section of the first movable connection member.
3. The switchgear cabinet as claimed in claim 2, wherein the fixed connection is an L-shaped bent plate structure having a transverse section and a longitudinal section.
4. The switchgear cabinet according to claim 2 or 3, wherein the cabinet body comprises a vertical column and a side plate fixed on the vertical column, and the guide shaft is fixed on the vertical column.
5. The switchgear cabinet as claimed in claim 1, wherein the clutch sleeve and the fixing sleeve have gear shaping structures on their respective end faces, which engage with each other, the gear shaping structures forming said locking structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996061.0A CN111063575B (en) | 2019-10-18 | 2019-10-18 | Switch cabinet with cabinet door and grounding switch interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996061.0A CN111063575B (en) | 2019-10-18 | 2019-10-18 | Switch cabinet with cabinet door and grounding switch interlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111063575A CN111063575A (en) | 2020-04-24 |
| CN111063575B true CN111063575B (en) | 2023-04-07 |
Family
ID=70298393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996061.0A Active CN111063575B (en) | 2019-10-18 | 2019-10-18 | Switch cabinet with cabinet door and grounding switch interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111063575B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7711618L (en) * | 1977-10-14 | 1979-04-15 | Ljubisa Lukjanovic | AUTOLARM-AUTOMATLARM |
| DE19503624C1 (en) * | 1995-01-26 | 1996-07-25 | Siemens Ag | Device for influencing a travel drive of a switching device |
| CN201682182U (en) * | 2010-03-26 | 2010-12-22 | 上海大华电器设备有限公司 | Mechanical interlocking device for earthing switch and back door of high-voltage switch cabinet |
| CN102436948B (en) * | 2011-10-08 | 2014-01-29 | 江苏天港箱柜有限公司 | Operation shaft and back door interlocking structure in electric cabinet |
| CN202443899U (en) * | 2012-03-05 | 2012-09-19 | 温州兴机电器有限公司 | Interlocking device for operating mechanism of ground switch |
| CN204332748U (en) * | 2015-01-15 | 2015-05-13 | 厦门明翰电气股份有限公司 | A kind of earthed switch and cable vault's back door interlocking device |
| CN204760270U (en) * | 2015-06-24 | 2015-11-11 | 正泰电气股份有限公司 | Switchgear earthing switch's interlock |
| CN205428755U (en) * | 2015-12-18 | 2016-08-03 | 江苏海鑫电气设备有限公司 | Interlocking device of rear door of switch cabinet and grounding switch |
| CN206116237U (en) * | 2016-09-30 | 2017-04-19 | 上海通用电气广电有限公司 | Interlock at earthing switch and back door for cubical switchboard |
| CN207938481U (en) * | 2017-11-24 | 2018-10-02 | 卡雷迪电气（常州）有限公司 | A kind of earthing switch back door interlocking device |
| CN207489744U (en) * | 2017-12-07 | 2018-06-12 | 深圳市深开电器实业有限公司 | A kind of high-voltage board earthing knife-switch and back door interlocking mechanism |
-
2019
- 2019-10-18 CN CN201910996061.0A patent/CN111063575B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111063575A (en) | 2020-04-24 |
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