CN109618526B

CN109618526B - Electrical cabinet with variable-volume mounting cavity

Info

Publication number: CN109618526B
Application number: CN201811345342.1A
Authority: CN
Inventors: 谢长山
Original assignee: Anhui Kaixuan Electric Co Ltd
Current assignee: Anhui Kaixuan Electric Co., Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-11-17
Anticipated expiration: 2038-11-13
Also published as: CN109618526A

Abstract

The invention relates to electrical equipment, and discloses an electrical cabinet with a variable-volume installation cavity, which comprises an equipment body (1), wherein a volume expansion body (3) which can extend out of the front end face of the equipment body (1) and linearly reciprocate along the width direction of the equipment body (1) is arranged in the equipment body (1), the volume expansion body (3) is a rectangular frame body comprising four side plates, and a door body (4) is arranged on the front end face of the volume expansion body. The telescopic volume expansion body (3) is arranged in the equipment body (1) so as to change the internal volume of the whole equipment body (1), expand the application range of the equipment and enable the equipment to be reasonably arranged and fully meet the requirements.

Description

Electrical cabinet with variable-volume mounting cavity

Technical Field

The invention relates to the field of electrical equipment, in particular to electrical device placing equipment.

Background

The electrical device placing equipment comprises an electrical cabinet, a control cabinet, an electrical cabinet and the like, the electrical cabinet is a cabinet which is formed by processing steel materials and used for protecting components from working normally, and the electrical device placing equipment is widely and mainly used for the chemical industry, the environmental protection industry, the power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like.

The electrical device lays equipment general structure and all is that outside casing and inner support structure form, and the inner support is used for settling each components and parts, and generally all is the cuboid form and inside because components and parts are more lead to whole volume great, can satisfy the demand completely to the great factory building of workspace or this type regulator cubicle in workshop, but to the less factory building of some workspace or workshop, the great regulator cubicle of some volumes is difficult to rationally settle, and the less regulator cubicle of volume can not satisfy the demand again.

Disclosure of Invention

The invention provides an electrical cabinet with a variable-volume mounting cavity, aiming at the problems of electrical device mounting equipment in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the electric cabinet with the variable-volume installation cavity comprises a rectangular equipment body with a built-in cavity, wherein a base is arranged at the bottom of the equipment body, the equipment body is fixed on the base, a volume expansion body which can extend out of the front end face of the equipment body and can do linear reciprocating motion along the width direction of the equipment body is arranged in the equipment body, the volume expansion body is a rectangular frame body comprising four side plates, and a door body is arranged on the front end face of the volume expansion body;

the base is the rectangle frame structure who has the bottom plate, and the bottom surface of equipment body constitutes the roof of base and is equipped with on the equipment body bottom surface along the connecting seat spout that volume extension body direction of motion arranged, is equipped with in the base along the volume extension body direction of motion arrange and can the pivoted lead screw, and threaded connection has the connecting seat that stretches out the connecting seat spout and be connected with volume extension body bottom surface on the lead screw, and the connecting seat can slide along connecting seat spout lateral wall under the lead screw rotation effect.

Preferably, the base is also internally provided with a first rotating shaft and a second rotating shaft which are arranged in parallel with the screw rod, the screw rod is provided with an output gear, the first rotating shaft is arranged between the screw rod and the second rotating shaft and is provided with an input gear meshed with the output gear,

the first rotating shaft is sequentially provided with a first driving wheel, a second driving wheel and a third driving wheel, wherein the number of teeth and the reference circle diameter of the first driving wheel are gradually increased and are arranged at equal intervals from the rear end face of the base to the front end face of the base, the second driving wheel and the third driving wheel are sequentially arranged on the second rotating shaft from the rear end face of the base to the front end face of the base, the fourth driving wheel is meshed with the second driving wheel and is arranged at equal intervals, the fifth driving wheel and the sixth driving wheel are meshed with each other, the interval between the driving wheels on the first rotating shaft is smaller than the interval between the driving wheels on the second rotating shaft, and the second rotating shaft. The meshing between different drive wheels realizes the transmission of different distances to more accurate control final volume extension body extends the length.

As preferred, the both ends of second axis of rotation can be worn out the preceding terminal surface and the rear end face of base respectively and wear out the end fixing of terminal surface before the base and be used for driving second axis of rotation pivoted hand pole, is equipped with the embedded groove that supplies the embedding of hand pole from terminal surface before the base to the inside extension before the base on the front end plate of base, and the tank bottom of embedded groove is equipped with the through-hole that extends to base rear end face, and the terminal surface before the base is worn out to the second axis of rotation warp through-hole. The second rotating shaft is rotated through the hand rocker, so that the volume expansion body is finally driven to extend or retract, manual control is performed, and the internal space of the equipment is reasonably adjusted according to use requirements.

Preferably, two arc grooves are formed in the inner surface of the through hole along the length direction of the through hole, the two arc grooves are a first arc groove and a second arc groove in sequence from the front end surface to the rear end surface of the base, a U-shaped groove perpendicular to the axis is formed in the second rotating shaft, a supporting spring arranged along the depth direction of the U-shaped groove is fixed on the bottom surface of the U-shaped groove, one end of the supporting spring is fixed on the bottom surface of the U-shaped groove, the other end of the supporting spring is connected with a limiting block capable of retracting or extending out of the U-shaped groove, the end, far away from the supporting spring, of the limiting block is an arc surface matched with the arc grooves, and; the first driving wheel is meshed with the fourth driving wheel when the limiting block is clamped into the first arc groove, the second driving wheel is meshed with the fifth driving wheel when the limiting block is clamped into the second arc groove, and the third driving wheel is meshed with the sixth driving wheel when the hand lever is completely clamped into the embedded groove. The position of the volume expansion body extending out of the equipment body is accurately controlled by the method, and the volume of the equipment body is accurately expanded according to requirements.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:

the telescopic volume expansion body is arranged in the equipment body, so that the internal volume of the whole equipment body is changed, the application range of the equipment is expanded, the equipment can be reasonably arranged, and the requirements can be fully met.

Drawings

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

Fig. 2 is a schematic view of the door body mounting structure of the present invention.

Fig. 3 is a schematic structural view of fig. 2 after the door body is opened.

Fig. 4 is a transverse cross-sectional view of fig. 2.

Fig. 5 is a transverse cross-sectional view of fig. 3.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Fig. 7 is an exploded view of portion B of fig. 5.

Fig. 8 is a schematic structural view of the door body in fig. 2 or 3.

Fig. 9 is a schematic view showing the construction of the turning rod of fig. 3.

Fig. 10 is a schematic structural view of the base in fig. 1.

Fig. 11 is a sectional view taken along the plane a-a in fig. 10.

Fig. 12 is a sectional view taken along the plane B-B in fig. 10.

Fig. 13 is a cross-sectional view taken along plane C-C of fig. 10.

Fig. 14 is a schematic view of the traveling mechanism of fig. 10 with the traveling mechanism removed.

Fig. 15 is a sectional view of an installation place of an inner door body according to the present invention.

Fig. 16 is a schematic structural view of the inner door body of the present invention.

Fig. 17 is a longitudinal sectional view of fig. 16.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-equipment body, 2-base, 3-volume expansion body, 4-door body, 5-walking mechanism body, 11-support, 201-bottom plate, 202-connecting seat sliding groove, 203-screw rod, 204-connecting seat, 205-output gear, 206-input gear, 207-first transmission wheel, 208-second transmission wheel, 209-third transmission wheel, 210-fourth transmission wheel, 211-fifth transmission wheel, 212-sixth transmission wheel, 213-hand lever, 214-embedding groove, 215-through hole, 217-first arc groove, 218-second arc groove, 219-U groove, 220-supporting spring, 221-limiting block, 222-first rotating shaft, 223-second rotating shaft, 224-top plate, 301-upper groove, 302-lower groove, 303-transverse plate, 304-longitudinal spring, 305-fixing plate, 306-rotating shaft, 307-dustproof cloth, 308-first hook, 309-second hook, 310-inner door body, 401-T-shaped sliding groove, 402-T-shaped sliding block, 403-through groove, 404-fixed rod, 405-rotating rod, 406-rod body, 407-connecting ring sleeve, 408-two-section step through hole, 409-fixed rod connecting section, 410-rotating rod limiting section, 411-annular bulge, 412-threaded hole, 413-bolt, 414-knob, 415-protection plate limiting block, 416-insertion section, 417-limiting section, 418-middle rod, 419-side rod, 420-convex strip, 421-convex block, 422-limiting plate, 423-protection plate, 424-clamping block, 425-clamping groove, 426-mounting groove, 427-receiving groove, 428-receiving spring, 429-clamping block, 501-driving part, 502-walking part, 503-protection shell, 504-motor, 505-driving wheel, 506-first driven wheel, 507-second driven wheel, 508-first screw rod, 509-second screw rod, 510-pushing block, 511-walking wheel mechanism, 512-wheel carrier, 513-road wheel, 514-push block chute, 515-opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

An electrical cabinet with a variable-volume installation cavity is shown in fig. 1, and comprises an equipment body 1 which is provided with a cavity and is in a cuboid shape, a support 11 is arranged in the cavity of the equipment body 1, and required components are installed on the support 11.

1 bottom of equipment body is equipped with base 2, equipment body 1 is fixed on base 2, be equipped with in equipment body 1 and stretch out terminal surface before equipment body 1 and be linear reciprocating motion's volume extension body 3 along 1 width direction of equipment body, the volume extension body 3 is equipped with a body 4 for the rectangular frame body that includes four curb plates and preceding terminal surface, four curb plates are the roof respectively, the roof down, left side board and right side board, cavity formation one with equipment body 1 inside 3 of volume extension body promptly, observe the components and parts in equipment body 1 and the volume extension body 3 promptly after opening a body 4, then can install inside components and parts, overhaul, operations such as replacement.

The base 2 is a rectangular frame structure with a bottom plate 201, the bottom surface of the device body 1 forms a top plate 224 of the base 2, the bottom surface of the device body 1 is provided with a connecting seat sliding groove 202 arranged along the motion direction of the volume expanding body 3, the base 2 is internally provided with a screw rod 203 which is arranged along the motion direction of the volume expanding body 3 and can rotate, the screw rod 203 is in threaded connection with a connecting seat 204 which extends out of the connecting seat sliding groove 202 and is connected with the bottom surface of the volume expanding body 3, the connecting seat 204 can slide along the side wall of the connecting seat sliding groove 202 under the rotation action of the screw rod 203, the connecting seat sliding groove 202 is arranged to ensure that the connecting seat 204 can, and the volume expansion body 3 is driven to extend out or retract on the equipment body 1 only by the linear reciprocating motion along the axial direction of the screw rod 203, so that the internal volume of the whole equipment body 1 is changed, and the application range of the equipment is expanded.

As shown in fig. 10-12 and fig. 14, in the present embodiment, a first rotating shaft 222 and a second rotating shaft 223 are further disposed in the base 2 in parallel with the lead screw 203, the output gear 205 is mounted on the lead screw 203, the first rotating shaft 222 is disposed between the lead screw 203 and the second rotating shaft 223 and the input gear 206 meshed with the output gear 205 is disposed on the first rotating shaft 222,

first drive wheels 207, second drive wheels 208 and third drive wheels 209 which are provided with equal distances and have gradually increased numbers of teeth and reference circle diameters are sequentially arranged on the first rotating shaft 222 from the rear end face of the base 2 to the front end face of the base 2, fourth drive wheels 210, fifth drive wheels 211 and sixth drive wheels 212 which are respectively meshed with the first drive wheels 207, the second drive wheels 208 and the third drive wheels 209 and are arranged at equal distances are sequentially arranged on the second rotating shaft 223 from the rear end face of the base 2 to the front end face of the base 2, the distance between the drive wheels on the first rotating shaft 222 is smaller than the distance between the drive wheels on the second rotating shaft 223, and the second rotating shaft 223 can move along the axis direction.

Wherein, the both ends of second axis of rotation 223 can wear out the preceding terminal surface and the rear end face of base 2 respectively and wear out the end fixing of base 2 preceding terminal surface to be equipped with and be used for driving second axis of rotation 223 pivoted hand pole 213, be equipped with the embedded groove 214 of the inside confession hand pole 213 embedding that extends of terminal surface before base 2 on base 2's the front end board, the tank bottom of embedded groove 214 is equipped with the through-hole 215 that extends to base 2 rear end face, second axis of rotation 223 wears out base 2 preceding terminal surface through-hole 215.

Be equipped with two arc grooves along through-hole 215 length direction on the internal surface of through-hole 215, two arc grooves are first arc groove 217 and second arc groove 218 in proper order to the rear end face from base 2 preceding terminal surface, be equipped with the U-shaped groove 219 of perpendicular to axis on the second axis of rotation 223, be fixed with the supporting spring 220 who arranges along U-shaped groove 219 degree of depth direction on the bottom surface of U-shaped groove 219, an end fixing of supporting spring 220 is on the bottom surface of U-shaped groove 219, another end connection has a stopper 221 that can retract or stretch out U-shaped groove 219, the tip of keeping away from supporting spring 220 on the stopper 221 is the arc surface that matches with the arc groove, stopper 221 can block into in the arc groove under the supporting spring 220 effect.

In the operation process, make second axis of rotation 223 rotate through rotating hand lever 213, the drive wheel on the second axis of rotation 223 drives the transmission on the first axis of rotation 222 and rotates, then make first axis of rotation 222 rotate, first axis of rotation 222 rotates and drives the input gear 206 on it and rotates, input gear 206 drives the output gear 205 rotation on the lead screw 203, then make lead screw 203 rotate, lead screw 203 rotates the back, connecting seat 204 on the lead screw 203 can rotate under the effect of lead screw 203, but because connecting seat 204 stretches into in connecting seat spout 202, consequently, can be spacing by the lateral wall of connecting seat spout 202, make connecting seat 204 can not rotate along with lead screw 203, and can only be linear motion along lead screw 203, then realize that connecting seat 204 drives volume extension body 3 and stretches out or retract equipment body 1.

In this embodiment, three driving wheels are respectively disposed on the first rotating shaft 222 and the second rotating shaft 223, and the first driving wheel 207 and the fourth driving wheel 210 are engaged with each other when the limit block 221 is clamped into the first arc groove 217, the second driving wheel 208 and the fifth driving wheel 211 are engaged with each other when the limit block 221 is clamped into the second arc groove 218, and the third driving wheel 209 and the sixth driving wheel 212 are engaged with each other when the hand lever 213 is completely clamped into the embedded groove 214, so that the second rotating shaft 223 can be pushed to be located at different positions, and the driving wheels on the first rotating shaft 222 are engaged with different driving wheels on the second rotating shaft 223, thereby changing the transmission distance between the first rotating shaft 222 and the second rotating shaft 223. In this embodiment, when the first driving wheel 207 is meshed with the fourth driving wheel 210, half a turn of the hand lever 213 can realize a turn of the second rotating shaft 223, when the second driving wheel 208 is meshed with the fifth driving wheel 211, half a turn of the hand lever 213 can realize a turn of the second rotating shaft 223, when the third driving wheel 209 is meshed with the sixth driving wheel 212, four turns of the hand lever 213 can realize a turn of the second rotating shaft 223, and then the position of the volume expansion body 3 extending out of the device body 1 can be accurately controlled by the method, so that the volume of the device body 1 can be accurately expanded according to requirements, and the device can be reasonably arranged and fully meet requirements.

As shown in fig. 2-9, in this embodiment, a support 11 for mounting components is fixed in an apparatus body 1, a door convenient to open and close is disposed on a front end surface of a volume expansion body 3, the door includes a left door body 4 and a right door body 4 located on a same vertical surface, the two door bodies 4 are oppositely disposed and can perform linear reciprocating motion along opposite directions, a T-shaped sliding slot 401 which is transversely disposed and has a long-strip-shaped cross section and a T-shaped cross section is disposed on a front end surface of the apparatus body 1 at an upper end portion and a lower end portion of the volume expansion body 3, a T-shaped slider 402 which can be clamped into the T-shaped sliding slot 401 and can slide back and forth in the T-shaped sliding slot 401 is disposed on a rear end surface of the door body 4, so that the two door bodies 4 can be opened and closed in a push-pull manner, a slot body for inserting the T-shaped slider 402 into the T-shaped sliding slot is disposed in the middle of the, the door body 4 can slide back and forth.

Be equipped with a length direction respectively on the relative side of two door bodies 4 in this embodiment from the logical groove 403 that the terminal surface extends to the lower terminal surface of door body 4 up, still including the pole subassembly that is used for opening two door bodies 4, the pole subassembly is including the dead lever 404 of terminal surface before the transverse arrangement and the perpendicular to door body 4 and connect the tip that is close to door body 4 at dead lever 404 and can wind dead lever 404 pivoted dwang 405, dwang 405 middle part is connected on dead lever 404 and both ends can insert respectively in the logical groove 403 of door body 4 side, the tip of keeping away from a body 4 on the dead lever 404 is fixed on support 11.

Wherein, the rotating rod 405 comprises two segments of rod bodies 406 and a connecting ring sleeve 407 positioned between the two segments of rod bodies 406, the central axes of the two segments of rod bodies 406 are the same and are respectively fixed on the opposite outer side surfaces of the connecting ring sleeve 407, the middle part of the connecting ring sleeve 407 is provided with a two-segment step through hole 408, the two-segment step through hole 408 comprises a fixing rod connecting segment 409 with smaller diameter and a rotating rod limiting segment 410 with larger diameter, the end part of the fixing rod 404 is inserted into the fixing rod connecting segment 409, the outer side plate of the fixing rod 404 is provided with an annular bulge 411 which can be abutted against the end surface of the connecting ring sleeve 407, the end surface of the inserting end of the fixing rod 404 is provided with a threaded hole 412, the threaded hole 412 is internally threaded with a bolt 413, the bolt 413 is inserted into the threaded hole 412 of the fixing rod 404 from the rotating rod limiting segment 410 of the connecting, the hole wall of the rotating rod limiting section 410 is provided with internal threads and is connected with a knob 414 through threads, and the knob 414 extends out of the two door bodies 4 and is located outside the door bodies 4.

The through groove 403 is a T-shaped groove with a T-shaped cross section, the through groove 403 is provided with an insertion section 416 and a limiting section 417 from the end of the opening 515 to the bottom surface of the groove in sequence, and the width of the insertion section 416 is smaller than that of the limiting section 417; the rod body 406 comprises a middle rod 418 and side rods 419 distributed on two sides of the middle rod 418, the middle rod 418 and the side rods 419 are integrally formed and are both square long rod-shaped, the width and the length of the side rods 419 are respectively smaller than those of the middle rod 418, the two side rods 419 are positioned in the middle positions of the front end surface and the rear end surface of the middle rod 418, convex strip portions 420 protruding relative to the side rods 419 are formed on two side surfaces of the middle rod 418, convex block portions 421 protruding relative to the side rods 419 are formed at the upper end and the lower end of the middle rod 418, and limiting plates 422 perpendicular to the end surfaces of the convex block portions 421 are arranged on the front end surface and the rear end surface; when the two door bodies 4 are closed, the rotating rod 405 is in a vertical state, the raised strip portion 420 is clamped into the insertion section 416 of the through groove 403, after the two door bodies 4 are opened, the rotating rod 405 rotates, the raised block portion 421 can be clamped into the insertion section 416 of the through groove 403 from the upper end portion or the lower end portion of the through groove 403, and the limit plate 422 is clamped into the limit section 417 of the through groove 403.

In this embodiment, when the door body 4 needs to be opened, the knob 414 is rotated clockwise, the knob 414 drives the connecting ring sleeve 407 to rotate, and then the rotating rod 405 rotates clockwise, after the rotating rod 405 rotates, the door bodies 4 on both sides can be slowly pushed to move away from the axis of the rotating rod 405 until the rotating rod 405 rotates to a certain angle, and the door bodies 4 are pushed away to a certain extent, at this time, the bump 421 on the upper end of the rotating rod 405 can be just inserted into the through groove 403 from the upper end of the through groove 403 of the right door body 4, the bump 421 on the lower end of the rotating rod 405 can be just inserted into the corresponding through groove 403 from the lower end of the through groove 403 of the left door body 4, and then the rotating rod 405 continues to rotate until the rotating rod 405 is in a horizontal state, so as to realize the complete opening of the door bodies 4 on both sides, by the design, the door bodies, the structural stability and the safety performance of the whole door body 4 in the motion process are ensured.

When the door body 4 needs to be closed, the knob 414 is rotated reversely, the door body 4 can be pulled back under the action of the limiting plate 422 of the lug part 421, the lug parts 421 at the two ends of the rotating rod 405 are separated from the through grooves 403 of the door bodies 4 at the two sides, at the moment, the door body 4 needs to be further pushed and closed by an operator, the insertion sections 416 of the through grooves 403 on the door bodies 4 at the two sides are clamped on the convex strip part 420 of the rotating rod 405, the rotating rod 405 is in a vertical state at the moment, and due to the clamping of the convex strip part 420 and the insertion sections 416, the gap between the door bodies 4 at the two sides can be effectively avoided, the occurrence of the condition of water leakage of equipment from the gap between the door bodies 4 is. In addition, in this embodiment, the knob 414 is provided with a rotation locking mechanism for placing the knob 414, so as to prevent the knob 414 from rotating at will, and only the locking mechanism needs to be turned on during operation, which is a mechanism for preventing rotation in common use.

In this embodiment, in order to further improve the closing stability of the door bodies 4 on both sides, the left and right outer side surfaces of the device body 1 are respectively hinged with a protection plate 423 comprising a transverse plate and a longitudinal plate and having an L-shaped cross section, the inner side surface of the transverse plate of the protection plate 423 is provided with a fixture block 424, the front end surface of the door body 4 is provided with a fixture groove 425, when the door body 4 is closed, the right-angle surface on the inner side of the protection plate 423 is half-wrapped on the end of the door body 4 and the fixture block, therefore, when the door body 4 is closed, the front end face of the door body 4 can be tensioned towards the equipment body 1 by the protection plate 423, the gap between the door body 4 and the front end face of the equipment body 1 is further reduced, the outer side face of the door body 4 can be completely wrapped by the protection plate 423, wrap up the clearance between 4 lateral walls of a body and the equipment body 1 promptly, play the guard action to 4 of a body on the one hand, on the other hand can avoid the rainwater to get into in the equipment body 1 from 4 lateral parts of a body.

The installation to protection plate 423 specifically is all seted up on the two lateral surfaces of the left and right sides of equipment body 1 from the installation groove 426 that volume expansion body 3 preceding terminal surface extends to volume expansion body 3 rear end face direction, protection plate 423 articulates on the lateral wall of installation groove 426, be equipped with storage tank 427 on the bottom surface of mounting groove 426 along the extending direction, the storage tank 427 internal fixation has the holding spring 428 that length direction arranged along storage tank 427 depth direction, holding spring 428 one end is fixed on storage tank 427 bottom surface, the other end is connected with a vertical cross-section and is isosceles trapezoid and can retract the dog 429 in the storage tank 427 completely, the tip of keeping away from the horizontal plate of the vertical board of protection plate 423 articulates on the lateral wall that is close to volume expansion body 3 preceding terminal surface of installation groove 426, the other end of vertical board is fixed with can be by the spacing protection. The guard plate 423 does not work when the door body 4 is opened, and is clamped into the mounting groove 426 on the side surface of the volume expanding body 3 through the stop 429, so that the occupied space of the guard plate 423 is reduced, the guard plate 423 is fixed, and the guard plate 423 is prevented from influencing an operator when not working.

As shown in fig. 15-17, in this embodiment, the front end surface of the volume expansion body 3 is further provided with a meshed inner door body 310 embedded in the volume expansion body 3, the upper end portion and the lower end portion of the front end plate of the volume expansion body 3 are respectively provided with an upper groove 301 extending upward and a lower groove 302 extending downward, the upper groove 301 is internally provided with a horizontal plate 303 arranged along the length direction of the upper groove 301, the horizontal plate 303 is connected by a longitudinal spring 304 fixed on the bottom surface of the upper groove 301, and the upper end portion and the lower end portion of the inner door body 310 can be respectively inserted into the upper groove 301 and the lower groove 302.

Two fixing plates 305 are fixed on the front end face of the inner door body 310, a rotating shaft 306 is arranged between the two fixing plates 305, dustproof cloth 307 capable of shielding the inner door body 310 is wound on the rotating shaft 306, a first hook 308 is arranged at the bottom of the dustproof cloth 307, and a second hook 309 mutually buckled with the first hook 308 is fixed at the lower end part of the front end face of the volume expansion body 3.

When the inner door body 310 is installed, the upper end of the inner door body 310 is inserted into the upper groove 301, the longitudinal spring 304 in the inner door body is overcome, the longitudinal spring 304 is compressed, so that the upper end of the inner door body 310 is sufficiently inserted into the upper groove 301, the lower end of the inner door body 310 is moved to the lower groove 302, the longitudinal spring 304 is stopped being compressed, and the lower end of the inner door body 310 is inserted into the lower groove 302 under the elastic force of the longitudinal spring 304, so that the installation of the inner door body 310 is completed. When the inner door body 310 needs to be disassembled, the method is also adopted, so that the inner door body 310 can be efficiently and conveniently disassembled and assembled.

When operating personnel only need dispel the heat to the components and parts in the equipment body 1, observe etc. and need not the operation of the inside components and parts of direct contact, then only need open the door body 4 on the volume extension body 3, can realize the demand through the mesh on the interior door body 310, the setting of interior door body 310 can play the guard action to the components and parts in the equipment body 1 when the door body 4 is opened, avoid reducing the potential safety hazard because of the components and parts of condition direct contact in the equipment body 1 such as accident or child. In this embodiment, a dust cloth 307 capable of being curled and opened is provided on the front end surface of the inner door body 310, and an operator can unfold or collect the dust cloth 307 as needed.

As shown in fig. 10 and 13, the present embodiment further includes a traveling mechanism located at the bottom of the apparatus body 1, the traveling mechanism is disposed in the base 2, the traveling mechanism includes a traveling mechanism body 5, the traveling mechanism body 5 includes a driving portion 501 and a traveling portion 502, the driving portion 501 includes a protective housing 503 having a rectangular frame structure, a motor 504 is fixed on an outer side surface of the protective housing 503, a driving wheel 505 connected to a motor shaft of the motor 504, a first driven wheel 506 engaged with the driving wheel 505, and a second driven wheel 507 engaged with the first driven wheel 506 are installed in the protective housing 503, the driving wheel 505, the first driven wheel 506, and the second driven wheel 507 are located on the same horizontal plane, the first driven wheel 506 and the second driven wheel 507 are equal in gear, the first driven wheel 506 and the second driven wheel 507 are connected with a first screw 508 and a second screw 509 respectively, the first screw 508 and the second screw 509 are parallel to each other and arranged in opposite directions, a pushing block 510 capable of linearly reciprocating along the axial seat of the screw rod is in threaded connection with the first screw rod 508 and the second screw rod 509, a walking wheel mechanism 511 is arranged on the pushing block 510, the walking wheel mechanism 511 comprises two wheel carriers 512 arranged in parallel, one end of each wheel carrier 512 is hinged to the pushing block 510, the other end of each wheel carrier 512 is hinged to a walking wheel 513, a pushing block sliding groove 514 arranged along the moving direction of the pushing block 510 is arranged on the top plate 224 of the base 2, and the upper end part of the pushing block 510 extends into the pushing block sliding groove 514 and can slide along the side wall of the pushing block sliding groove 514; the bottom plate 201 of the base 2 is provided with an opening 515 for the walking wheel 513 to extend out.

Wherein, be fixed with two first fixed plates and two second fixed plates respectively on the lateral wall about protection casing 503, two first fixed plates are parallel to each other and distribute in the both sides of first screw 508, two second fixed plates are parallel to each other and distribute in the both sides of second screw 509, the tip that is close to and ejector pad 510 articulated of wheel carrier 512 that is located between two first fixed plates articulates on first fixed plate, the tip that is close to and ejector pad 510 articulated of wheel carrier 512 that is located between two second fixed plates articulates on the second fixed plate.

When the electrical device placing equipment in the embodiment does not need to walk, the walking mechanism of the electrical device placing equipment is located inside the base 2, and the walking wheels 513 do not extend out of the base 2, so that the bottom plate 201 of the base 2 is in contact with the ground, and the stability of the whole equipment on the ground or a working table is ensured. When the equipment needs to be moved, a motor 504 in the traveling mechanism is started, the motor 504 drives a first driven wheel 506 and a second driven wheel 507 to rotate through a driving wheel 505, the first driven wheel 506 and the second driven wheel 507 are meshed with each other, so that the rotation directions of the first driven wheel 506 and the second driven wheel 507 are opposite, a first screw 508 and a second screw 509 are driven by the motor 504 to rotate towards opposite directions, so that a push block 510 on the screws moves, the upper end part of the push block 510 extends into a push block sliding groove 514, therefore, in the screw rotating process, the push block 510 cannot rotate due to the limit of the groove wall of the push block sliding groove 514, and does linear motion along the screws, as the push block 510 moves forwards, the push block 510 can drive the wheels to rotate around the hinge points, so that the end part with the traveling wheels 513 on the wheel frame 512 extends out of the base 2 from an opening 515 on the bottom plate 201 of the base 2, and, at this time, the device can be easily moved by the traveling wheels 513.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. Regulator cubicle with variable installation cavity of volume, including built-in equipment body (1) that has the cavity and be the cuboid form, its characterized in that: the bottom of the equipment body (1) is provided with a base (2), the equipment body (1) is fixed on the base (2), a volume expansion body (3) which can extend out of the front end face of the equipment body (1) and can do linear reciprocating motion along the width direction of the equipment body (1) is arranged in the equipment body (1), the volume expansion body (3) is a rectangular frame body comprising four side plates, and the front end face of the volume expansion body is provided with a door body (4); the device comprises a device body (1), wherein two supports (11) used for placing components are fixed in the device body (1), the two door bodies (4) are oppositely arranged and can do linear reciprocating motion along opposite directions, the opposite side surfaces of the two door bodies (4) are respectively provided with a through groove (403) with the length direction extending from the upper end surface to the lower end surface of the door body (4), the device further comprises a rod assembly used for opening the two door bodies (4), the rod assembly comprises a fixing rod (404) which is transversely arranged and perpendicular to the front end surface of the door body (4) and a rotating rod (405) which is connected to the end part, close to the door body (4), of the fixing rod (404) and can rotate around the fixing rod (404), the middle part of the rotating rod (405) is connected to the fixing rod (404), the two ends of the rotating rod (404) can be respectively inserted into the through grooves (403) on the side surfaces of; base (2) are the rectangle frame structure who has bottom plate (201), the bottom surface of equipment body (1) constitutes roof (224) of base (2) and is equipped with on equipment body (1) bottom surface along connecting seat spout (202) that volume extension body (3) direction of motion arranged, be equipped with in base (2) along volume extension body (3) direction of motion arrange and can pivoted lead screw (203), threaded connection has connecting seat (204) of stretching out connecting seat spout (202) and being connected with volume extension body (3) bottom surface on lead screw (203), connecting seat (204) can be followed connecting seat spout (202) lateral wall and slided under lead screw (203) rotation.

2. The electrical cabinet with a variable volume mounting chamber of claim 1, wherein: a first rotating shaft (222) and a second rotating shaft (223) which are arranged in parallel with the screw rod (203) are also arranged in the base (2), an output gear (205) is arranged on the screw rod (203), the first rotating shaft (222) is arranged between the screw rod (203) and the second rotating shaft (223), an input gear (206) which is meshed with the output gear (205) is arranged on the first rotating shaft (222),

the first transmission wheel (207), the second transmission wheel (208) and the third transmission wheel (209) are sequentially arranged from the rear end face of the base (2) to the front end face of the base (2) on the first rotating shaft (222), the number of teeth and the diameter of a reference circle are gradually increased, the first transmission wheel and the second transmission wheel are equidistantly arranged, the fourth transmission wheel (210), the fifth transmission wheel (211) and the sixth transmission wheel (212) are sequentially arranged from the rear end face of the base (2) to the front end face of the base (2) on the second rotating shaft (223), the distance between the transmission wheels on the first rotating shaft (222) is smaller than the distance between the transmission wheels on the second rotating shaft (223), and the second rotating shaft (223) can move in the axis direction.

3. The electrical cabinet with a variable volume mounting chamber of claim 2, wherein: the both ends of second axis of rotation (223) can wear out the preceding terminal surface and the rear end face of base (2) respectively and wear out the end fixing of terminal surface before base (2) and be used for driving second axis of rotation (223) pivoted hand pole (213), be equipped with on the front end plate of base (2) from base (2) preceding terminal surface inwards extend supply embedded groove (214) of hand pole (213) embedding, the tank bottom of embedded groove (214) is equipped with through-hole (215) that extend to base (2) rear end face, terminal surface before base (2) is worn out through-hole (215) in second axis of rotation (223).

4. The electrical cabinet with a variable volume mounting chamber of claim 3, wherein: two arc grooves are formed in the inner surface of the through hole (215) along the length direction of the through hole (215), the first arc groove (217) and the second arc groove (218) are sequentially formed in the two arc grooves from the front end surface to the rear end surface of the base (2), a U-shaped groove (219) perpendicular to the axis is formed in the second rotating shaft (223), a supporting spring (220) arranged along the depth direction of the U-shaped groove (219) is fixed on the bottom surface of the U-shaped groove (219), one end portion of the supporting spring (220) is fixed on the bottom surface of the U-shaped groove (219), the other end portion of the supporting spring (223) is connected with a limiting block (221) capable of retracting or extending out of the U-shaped groove (219), the end portion, far away from the supporting spring (220), of the limiting block (221) is an arc surface matched with the arc grooves, and the;

when the limiting block (221) is clamped into the first arc groove (217), the first driving wheel (207) is meshed with the fourth driving wheel (210), when the limiting block (221) is clamped into the second arc groove (218), the second driving wheel (208) is meshed with the fifth driving wheel (211), and when the hand lever (213) is completely clamped into the embedded groove (214), the third driving wheel (209) is meshed with the sixth driving wheel (212).