CN212837148U

CN212837148U - Self-locking device of high-voltage switch cabinet

Info

Publication number: CN212837148U
Application number: CN202020809488.3U
Authority: CN
Inventors: 应建国; 张亚
Original assignee: Ningbo Xinsheng Medium Voltage Electrical Co ltd
Current assignee: Ningbo Xinsheng Medium Voltage Electrical Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-03-30
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a self-lock device of high tension switchgear relates to high tension switchgear technical field. The multifunctional cabinet comprises a cabinet body, a cabinet door, a self-locking mechanism, an auxiliary locking mechanism and a heat dissipation mechanism, wherein the cabinet door is connected to the front side of the cabinet body in a rotating mode, the self-locking mechanism is fixedly mounted on the back side of the cabinet door, and the cabinet door is movably mounted on the cabinet body through the self-locking mechanism. Utilize the key body to extrude the lock box, impel the extension rod to drive the automatic resilience and the cabinet body of locking piece accomodate to its inside and cooperation positioning spring and laminate mutually, make the cabinet door under self-locking mechanism's drive with the cabinet body when laminating automatic and the cabinet body lock each other, but reach the advantage of auto-lock, the problem of forgetting to lock has been solved, make this self-lock device can prevent to miss and bump the chamber door and open and forget the condition of locking and appear, the electric shock accident that has solved the unexpected touching and lead to locking and lead to the electrical components of cubical switchboard inside receive the problem of damaging or losing.

Description

Self-locking device of high-voltage switch cabinet

Technical Field

The utility model relates to a high tension switchgear technical field specifically is a self-lock device of high tension switchgear.

Background

The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. The high-voltage switch cabinet is used as an electric appliance product with the voltage grade of 3.6 kV-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.

In the prior art, when the high-voltage switch cabinet is closed, the high-voltage switch cabinet cannot be automatically locked, the high-voltage switch cabinet needs to be manually locked by a key or a coded lock disc, so that the operation is more troublesome, and the situation that the high-voltage switch cabinet is forgotten to be locked exists, so that electric elements in the switch cabinet are damaged or lost.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a self-lock device of high tension switchgear possesses the advantage that can auto-lock, has solved and has forgotten the problem of locking.

In order to realize the purpose of the self-locking, the utility model provides a following technical scheme: a self-locking device of a high-voltage switch cabinet comprises a cabinet body, a cabinet door, a self-locking mechanism, an auxiliary locking mechanism and a heat dissipation mechanism, wherein the cabinet door is rotatably connected to the front side of the cabinet body, the self-locking mechanism is fixedly installed on the back side of the cabinet door, the cabinet door is movably installed with the cabinet body through the self-locking mechanism, the auxiliary locking mechanism is fixedly installed at the top of the inner wall of the cabinet body, the front end of the auxiliary locking mechanism is fixedly installed with the back side of the cabinet door, and the heat dissipation mechanism is fixedly installed;

self-locking mechanism includes the lock box, the back fixed mounting of lock box and cabinet door, the inner wall fixed mounting of lock box has the connection rope, the one end fixed mounting that the lock box inner wall was kept away from to the connection rope has the extension rod, the extension rod is kept away from the one end of connecting the rope and is extended to the outside and the fixed mounting of lock box and have the locking piece, the joint mouth with locking piece looks adaptation is seted up to the inner wall of cabinet door, the positive fixed mounting of extension rod has positioning spring, positioning spring keeps away from the one end of extension rod and the inner wall fixed mounting of lock box, the inner wall fixed mounting of lock box has the lock core, the inside activity of lock core is pegged graft and is had the key body, the back end of key body runs through the lock core and with be.

As a preferred technical scheme of the utility model, supplementary latch mechanism includes the stand pipe, the top of stand pipe and the top fixed mounting of internal wall of cabinet, the guide way has been seted up to the inside of stand pipe, the inside activity of guide way is pegged graft and is had the gangbar, the front end of gangbar extend to the front side of stand pipe and with the back fixed mounting of cabinet door, the fixed surface of gangbar installs flexible loop bar, the fixed surface of flexible loop bar has cup jointed positioning spring, the one end fixed mounting that the gangbar was kept away from to flexible loop bar has the fixture block, two draw-in grooves have been seted up to the inner wall of guide way.

As a preferred technical scheme of the utility model, the spout has been seted up to the inner wall of guide way, the fixed surface of gangbar installs the pulley, the one end that the gangbar was kept away from to the pulley extend to the inner wall of spout and with the inner wall sliding connection of spout.

As an optimal technical scheme of the utility model, heat dissipation mechanism includes four installation pieces, four the installation piece uses per two to be a set of, and two sets of installation pieces are pegged graft with the both sides face activity of the cabinet body respectively.

As a preferred technical scheme of the utility model, the equal fixed mounting in top and the bottom of installation piece has the joint piece, the installation piece is pegged graft through the surface activity of joint piece with the cabinet body, the inside fixed mounting of installation piece has fan and filter screen, the filter screen is located the outside of fan.

Compared with the prior art, the utility model provides a self-lock device of high tension switchgear possesses following beneficial effect:

1. this self-lock device of high tension switchgear, through setting up self-locking mechanism, utilize the key body to extrude the lock box, make the extension rod drive the lock piece accomodate to its inside and cooperate positioning spring's automatic resilience and the cabinet body laminating mutually, automatic and the cabinet body is mutually locked when making the cabinet door laminate with the cabinet body under self-locking mechanism's drive, but reached the advantage of auto-lock, the problem of forgetting to lock has been solved, make this self-lock device can prevent to miss and bump the case door and open and forget the circumstances of locking and appear, the electric shock accident that has solved the unexpected touching and lead to the cubical switchboard inside electrical components receive the problem of damaging or losing of forgetting to lock.

2. According to the self-locking device of the high-voltage switch cabinet, the auxiliary lock mechanism is arranged, the linkage rod is utilized to follow the cabinet door to slide along the interior of the guide pipe, and the automatic resilience of the positioning spring on the telescopic loop rod is matched to enable the clamping block to extend to the interior of the clamping groove, so that the cabinet door is positioned, and the situation that the cabinet door shakes randomly after being opened is avoided; through setting up heat dissipation mechanism, utilize the air flow channel that a plurality of fans formed that the cabinet body both sides set up to electrical components to the internal portion of cabinet carries out the heat dissipation and handles, thereby has avoided the too high condition of the temperature of the internal portion of cabinet.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the self-locking mechanism of the present invention;

fig. 4 is a schematic structural view of an auxiliary lock mechanism of the present invention;

fig. 5 is a schematic structural view of the heat dissipation mechanism of the present invention.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a self-locking mechanism; 4. an auxiliary lock mechanism; 5. a heat dissipation mechanism; 6. an extension rod; 7. a positioning spring; 8. a locking block; 9. a lock cylinder; 10. a key body; 11. a guide tube; 12. a guide groove; 13. a linkage rod; 14. a telescopic loop bar; 15. a clamping block; 16. a card slot; 17. a chute; 18. a pulley; 19. mounting blocks; 20. a clamping block; 21. a fan; 22. a filter screen; 23. a lock case; 24. and connecting ropes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a self-locking device of a high-voltage switch cabinet, including a cabinet body 1, a cabinet door 2, a self-locking mechanism 3, an auxiliary locking mechanism 4 and a heat dissipation mechanism 5, the front of the cabinet body 1 is rotatably connected with the cabinet door 2, the back of the cabinet door 2 is fixedly provided with the self-locking mechanism 3, the cabinet door 2 is movably mounted with the cabinet body 1 through the self-locking mechanism 3, the top of the inner wall of the cabinet body 1 is fixedly provided with the auxiliary locking mechanism 4, the front end of the auxiliary locking mechanism 4 is fixedly mounted with the back of the cabinet door 2, and both side surfaces of the cabinet body 1 are fixedly provided with;

the self-locking mechanism 3 comprises a lock box 23, the lock box 23 is fixedly installed on the back of the cabinet door 2, a connecting rope 24 is fixedly installed on the inner wall of the lock box 23, an extending rod 6 is fixedly installed at one end, far away from the inner wall of the lock box 23, of the connecting rope 24, one end, far away from the connecting rope 24, of the extending rod 6 extends to the outer side of the lock box 23 and is fixedly installed with a lock block 8, a clamping port matched with the lock block 8 is formed in the inner wall of the cabinet door 2, a positioning spring 7 is fixedly installed on the front of the extending rod 6, one end, far away from the extending rod 6, of the positioning spring 7 is fixedly installed on the inner wall of the lock box 23, a lock cylinder 9 is fixedly installed on the inner wall of the lock box 23, a key body 10 is movably inserted in the lock cylinder 9, and the back end of the;

through setting up self-locking mechanism 3, utilize key body 10 to extrude lock box 23, make extension rod 6 drive locking piece 8 accomodate to its inside and coordinate positioning spring 7's automatic resilience and the laminating of the cabinet body 1 mutually, make cabinet door 2 automatic and the cabinet body 1 interlocking when laminating under self-locking mechanism 3's drive, but reached the advantage of auto-lock, the problem of forgetting to lock has been solved, make this self-locking device can prevent to miss and bump the case door and open and forget the condition appearance that locks, the electric shock accident that has solved the unexpected touching and lead to the cubical switchboard inside electrical components receive the problem of damaging or losing of forgetting is forgotten to lock.

Specifically, supplementary latch mechanism 4 includes stand pipe 11, the top of stand pipe 11 and the top fixed mounting of the 1 inner wall of the cabinet body, guide way 12 has been seted up to the inside of stand pipe 11, the inside activity of guide way 12 is pegged graft and is had gangbar 13, the front end of gangbar 13 extend to the front side of stand pipe 11 and with cabinet door 2's back fixed mounting, the fixed surface of gangbar 13 installs flexible loop bar 14, the fixed surface of flexible loop bar 14 has cup jointed positioning spring 7, the one end fixed mounting that gangbar 13 was kept away from to flexible loop bar 14 has fixture block 15, two draw-in grooves 16 have been seted up to the inner wall of guide way 12.

In this embodiment, through setting up supplementary latch mechanism 4, utilize gangbar 13 to follow cabinet door 2 and slide along the inside of stand pipe 11 to the automatic resilience of positioning spring 7 makes fixture block 15 extend to the inside of draw-in groove 16 on the flexible loop bar 14 of cooperation, thereby fixes a position cabinet door 2 and handles, avoids cabinet door 2 to appear the condition emergence of rocking at will after opening.

Specifically, the inner wall of the guide groove 12 is provided with a sliding groove 17, the surface of the linkage rod 13 is fixedly provided with a pulley 18, and one end of the pulley 18, which is far away from the linkage rod 13, extends to the inner wall of the sliding groove 17 and is in sliding connection with the inner wall of the sliding groove 17.

In the embodiment, the pulley 18 moves along the direction of the sliding chute 17 along with the linkage rod 13, so that the movement stability of the linkage rod 13 is improved.

Specifically, heat dissipation mechanism 5 includes four installation pieces 19, four installation piece 19 uses per two to be a set of, and two sets of installation pieces 19 are pegged graft with the both sides face activity of the cabinet body 1 respectively, the top and the equal fixed mounting in bottom of installation piece 19 have joint piece 20, installation piece 19 is pegged graft through the surface activity of joint piece 20 with the cabinet body 1, the inside fixed mounting of installation piece 19 has fan 21 and filter screen 22, filter screen 22 is located the outside of fan 21.

In this embodiment, by providing the heat dissipation mechanism 5, the air flow path formed by the plurality of fans 21 disposed on the two sides of the cabinet 1 is utilized to dissipate heat of the electrical components inside the cabinet 1, thereby avoiding the situation of over-high temperature inside the cabinet 1.

The utility model discloses a theory of operation and use flow:

when the cabinet door is used, the cabinet door 2 is opened firstly, the key body 10 is inserted into the lock cylinder 9, the key body 10 penetrates through the lock cylinder 9 and is abutted against the connecting rope 24, the connecting rope 24 is enabled to be extruded backwards gradually, the extending rod 6 is enabled to accommodate the inside of the lock box 23 gradually, the lock block 8 is enabled to be separated from the cabinet body 1, at the moment, the cabinet door 2 and the cabinet body 1 are released from a fixed state, the linkage rod 13 can slide along the inside of the guide pipe 11 along with the rotation of the cabinet door 2 when the cabinet door 2 is rotated, the fixture block 15 slides along with the movement of the linkage rod 13, the fixture block 15 is enabled to extend to the inside of the clamping groove 16 on the front; when this cubical switchboard need dispel the heat, start fan 21, utilize the air flow channel that a plurality of fans 21 that the cabinet body 1 both sides set up formed to carry out the heat dissipation to the electrical components of the internal portion of cabinet 1 and handle, thereby avoided the condition of the inside high temperature of the cabinet body 1.

In conclusion, the self-locking device of the high-voltage switch cabinet extrudes the lock box 23 by the key body 10 through the self-locking mechanism 3, so that the extension rod 6 drives the lock block 8 to be accommodated in the lock block and matched with the automatic resilience of the positioning spring 7 to be attached to the cabinet body 1, the cabinet door 2 is automatically locked with the cabinet body 1 when being attached to the cabinet body 1 under the driving of the self-locking mechanism 3, the self-locking advantage is achieved, the problem of forgetting to lock is solved, the self-locking device can prevent the situation that the cabinet door is opened and locked by mistake, and the problems that electric shock accidents caused by accidental touch and electric elements in the switch cabinet are damaged or lost caused by forgetting to lock are solved; by arranging the auxiliary lock mechanism 4, the linkage rod 13 slides along the interior of the guide pipe 11 along with the cabinet door 2 and is matched with the automatic resilience of the positioning spring 7 on the telescopic loop rod 14 to enable the clamping block 15 to extend into the clamping groove 16, so that the cabinet door 2 is positioned, and the cabinet door 2 is prevented from shaking randomly after being opened; through setting up heat dissipation mechanism 5, utilize the air flow channel that a plurality of fans 21 that the cabinet body 1 both sides set up formed to carry out the heat dissipation to the electrical components of the internal portion of cabinet 1 and handle, thereby avoided the condition of the inside high temperature of the cabinet body 1.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a self-lock device of high tension switchgear, includes the cabinet body (1), cabinet door (2), self-locking mechanism (3), supplementary latch mechanism (4) and heat dissipation mechanism (5), its characterized in that: the front of the cabinet body (1) is rotatably connected with a cabinet door (2), the back of the cabinet door (2) is fixedly provided with a self-locking mechanism (3), the cabinet door (2) is movably installed with the cabinet body (1) through the self-locking mechanism (3), the top of the inner wall of the cabinet body (1) is fixedly provided with an auxiliary lock mechanism (4), the front end of the auxiliary lock mechanism (4) is fixedly installed with the back of the cabinet door (2), and two side faces of the cabinet body (1) are both fixedly provided with heat dissipation mechanisms (5);

the self-locking mechanism (3) comprises a lock box (23), the lock box (23) is fixedly installed on the back of the cabinet door (2), a connecting rope (24) is fixedly installed on the inner wall of the lock box (23), an extending rod (6) is fixedly installed at one end, away from the inner wall of the lock box (23), of the connecting rope (24), one end, away from the connecting rope (24), of the extending rod (6) extends to the outer side of the lock box (23) and is fixedly installed with a lock block (8), a clamping opening matched with the lock block (8) is formed in the inner wall of the cabinet door (2), a positioning spring (7) is fixedly installed on the front of the extending rod (6), one end, away from the extending rod (6), of the positioning spring (7) is fixedly installed on the inner wall of the lock box (23), a lock cylinder (9) is fixedly installed on the inner wall of the lock box (23), and a key body (10) is movably inserted in the interior of, the back end of the key body (10) penetrates through the lock cylinder (9) and is overlapped with the connecting rope (24).

2. The self-locking device of the high-voltage switch cabinet according to claim 1, characterized in that: supplementary latch mechanism (4) include stand pipe (11), the top of stand pipe (11) and the top fixed mounting of the cabinet body (1) inner wall, guide way (12) have been seted up to the inside of stand pipe (11), the inside activity of guide way (12) is pegged graft and is had gangbar (13), the front end of gangbar (13) extend to the front side of stand pipe (11) and with the back fixed mounting of cabinet door (2), the fixed surface of gangbar (13) installs flexible loop bar (14), the fixed surface of flexible loop bar (14) has cup jointed positioning spring (7), the one end fixed mounting that gangbar (13) were kept away from in flexible loop bar (14) has fixture block (15), two draw-in grooves (16) have been seted up to the inner wall of guide way (12).

3. The self-locking device of the high-voltage switch cabinet according to claim 2, characterized in that: spout (17) have been seted up to the inner wall of guide way (12), the fixed surface of gangbar (13) installs pulley (18), pulley (18) keep away from the one end of gangbar (13) extend to the inner wall of spout (17) and with the inner wall sliding connection of spout (17).

4. The self-locking device of the high-voltage switch cabinet according to claim 1, characterized in that: the heat dissipation mechanism (5) comprises four mounting blocks (19), every two of the mounting blocks (19) are used as a group, and the two groups of mounting blocks (19) are movably inserted into the two side faces of the cabinet body (1) respectively.

5. The self-locking device of the high-voltage switch cabinet according to claim 4, characterized in that: the top and the equal fixed mounting in bottom of installation piece (19) have joint piece (20), installation piece (19) are pegged graft through the surface activity of joint piece (20) with the cabinet body (1), the inside fixed mounting of installation piece (19) has fan (21) and filter screen (22), filter screen (22) are located the outside of fan (21).