CN113783125A - Electrical cabinet base - Google Patents

Electrical cabinet base Download PDF

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Publication number
CN113783125A
CN113783125A CN202111329701.6A CN202111329701A CN113783125A CN 113783125 A CN113783125 A CN 113783125A CN 202111329701 A CN202111329701 A CN 202111329701A CN 113783125 A CN113783125 A CN 113783125A
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CN
China
Prior art keywords
wall
base
rod
electrical cabinet
fixedly connected
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Granted
Application number
CN202111329701.6A
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Chinese (zh)
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CN113783125B (en
Inventor
钟杰
蒋建兴
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JIANGSU TIANXIANG ELECTRIC CO Ltd
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JIANGSU TIANXIANG ELECTRIC CO Ltd
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Priority to CN202111329701.6A priority Critical patent/CN113783125B/en
Publication of CN113783125A publication Critical patent/CN113783125A/en
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Publication of CN113783125B publication Critical patent/CN113783125B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/50Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54Anti-seismic devices or installations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention discloses an electric cabinet base, relating to the technical field of electric cabinets, comprising a base, an electric cabinet and a cabinet door, the bottom of the electrical cabinet is arranged in the base, the left end and the right end of the front surface of the electrical cabinet are both hinged with cabinet doors, the base comprises a right-angle plate, a bottom plate, a damping mechanism, a stabilizing mechanism, a fixing mechanism, a bottom rod, a leakage opening and universal wheels, the bottom plate is fixedly connected with the bottom of the electrical cabinet, the four corners of the inner wall of the base are fixedly connected with the right-angle plates, the right-angle rods are extruded by the electrical cabinet, the vibration of the electrical cabinet is reduced by the elasticity of the bottom rubber semicircular block, the clamping rods can move on the surface of the electrical cabinet by the rotation of the disc, the distance between the electrical cabinet and the right-angle plates can be reduced by the inclination and straightening of the clamping rods, the regulator cubicle is stabilized through the extrusion of clamping lever, leads to inside device to receive the damage when avoiding the regulator cubicle to receive vibrations.

Description

Electrical cabinet base
Technical Field
The invention belongs to the technical field of electrical cabinets, and particularly relates to an electrical cabinet base.
Background
The regulator cubicle usage is extensive mainly used chemical industry, environmental protection trade, electric power system, metallurgical system, industry, nuclear power industry, fire control safety monitoring, traffic industry and so on, and the regulator cubicle is all through pedestal mounting in a suitable place, and present regulator cubicle generally all installs the gyro wheel additional in the bottom of base and removes, and the regulator cubicle is inconvenient fixes the regulator cubicle when passing through the gyro wheel and removing suitable position, so we provide a regulator cubicle base.
Disclosure of Invention
The invention aims to provide an electrical cabinet base, which solves the existing problems by conveniently fixing an electrical cabinet.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an electrical cabinet base which comprises a base, an electrical cabinet and cabinet doors, wherein the bottom of the electrical cabinet is arranged in the base, and the left end and the right end of the front surface of the electrical cabinet are hinged with the cabinet doors;
the base comprises right-angle plates, a bottom plate, damping mechanisms, stabilizing mechanisms, fixing mechanisms, bottom rods, leakage openings and universal wheels, the bottom plate is fixedly connected with the bottom of the electric cabinet, the four corners of the inner wall of the base are fixedly connected with the right-angle plates, the stabilizing mechanisms are arranged inside the four right-angle plates, the damping mechanisms are arranged at the tops of the four right-angle plates, the bottoms of the four right-angle plates are fixedly connected with the bottom rods, the bottoms of the four bottom rods are rotatably connected with the universal wheels through rotating shafts, the base can be supported when the arc plates are in contact with the ground, the universal wheels can be separated from the ground through the height of the arc plates, the sliding of the universal wheels when the electric cabinet is fixed is avoided, the leakage openings are formed in the four corners of the bottom of the base, the fixing mechanisms are arranged at the left end and the right end of the bottom of the base, and when the electric cabinet extrudes the right-angle plates, the right-angle rod can pull the disc upwards through the cross rod;
the stabilizing mechanism comprises a disc, clamping rods, grooves, right-angle rods and rubber semicircular blocks, the grooves are formed in the left side of the inner wall of each right-angle plate, the front end and the rear end of the disc are rotatably connected with the front inner wall and the rear inner wall of each groove through bearings, the clamping rods are fixedly connected to the right side of the disc, a cross rod is fixedly connected to the left side of the disc, the tops of the right-angle rods are movably connected with the left side of the cross rod through rotating shafts, and the rubber semicircular blocks are fixedly connected with the bottoms of the inner walls of the right-angle plates;
the top of the rubber semicircular block is in contact with the outer surface of the bottom of the right-angle rod.
Further, the left side of right angle pole and the left side inner wall contact of recess, the clamping rod is the slope setting.
Further, the right side surface of the clamping rod is in contact with the outer surface of the electrical cabinet, and the bottom outer surface of the bottom plate is arranged above the right side of the right-angle rod.
Furthermore, the damping mechanism comprises a moving rod, an underframe, a rubber pad, a rubber block and a spring, the underframe is fixedly connected with the bottom of the inner wall of the right-angle plate, the moving rod can move in the underframe under the pressure of the electrical cabinet, the moving rod is arranged in the underframe, the position of the moving rod is limited by the contact of the moving rod and the inner wall of the underframe, severe shaking caused when the moving rod is extruded is avoided, the rubber pads are bonded on the left inner wall and the right inner wall of the underframe, the spring is fixedly connected with the bottom of the inner wall of the underframe, and the rubber block is bonded on the top of the spring;
the left end and the right end of the rubber block are in contact with the outer surfaces of the two rubber pads.
Furthermore, the top of the movable rod penetrates through the top of the underframe and extends to the outer end of the top of the underframe, and the top of the movable rod is fixedly connected with the bottom of the bottom plate.
Furthermore, the fixing mechanism comprises a positioning groove, a positioning rod, an arc plate, a clamping groove and a sliding mechanism, the positioning groove is formed in the left side of the base, the positioning rod is fixedly connected with the front inner wall and the rear inner wall of the positioning groove, the arc plate is rotatably connected with the outer surface of the positioning rod through a bearing, the arc plate can be separated from the ground when the electric cabinet tilts forwards or backwards, a universal wheel at the bottom of the base without the support of the arc plate can be directly contacted with the ground, the position of the electric cabinet is convenient to adjust, the clamping groove is formed in the bottom of the base, and the sliding mechanism is arranged at one end, away from the positioning rod, of the arc plate;
the one end that the locating lever was kept away from to the arc board contacts with the inner wall of draw-in groove, and the arc board at both ends only has the radian of bottom and contacts with ground, and the weight of regulator cubicle can extrude the strong point of two arc boards.
Further, slide mechanism includes pulley, pulley bar, pulley groove, elastic ball and trapezoidal piece, trapezoidal piece and circular arc board fixed connection, the pulley groove has been seted up at the top of trapezoidal piece, the inner wall bottom fixed connection in elastic ball and pulley groove, the top fixedly connected with pulley bar of elastic ball, the top of pulley bar rotates through the bearing and is connected with the pulley, and the circular arc board receives the thrust of outer end and can remove to the bottom of base, and the pulley of circular arc board bottom gets into the bottom base of base and can press the circular arc board into the inside of draw-in groove through the extrusion.
Further, the outer surface of the pulley rod is in contact with the inner wall of the pulley groove, and the outer surface of the pulley is in contact with the top of the inner wall of the clamping groove.
Further, four the leak orifice all sets up for perpendicular with four universal wheels, four the universal wheel all extends to the bottom outer end of base through four leak orifices.
The invention has the following beneficial effects:
according to the invention, the right-angle rod is extruded through the electrical cabinet, the right-angle rod reduces the vibration of the electrical cabinet through the elasticity of the bottom rubber semicircular block, the clamping rod can move on the surface of the electrical cabinet through the rotation of the disc, the distance between the electrical cabinet and the right-angle plate can be reduced by the inclination of the clamping rod, the electrical cabinet is stabilized through the extrusion of the clamping rod, and the damage to internal devices caused by the vibration of the electrical cabinet is avoided.
When the electrical cabinet moves, the moving rod can be pushed into the bottom frame by vibration, the moving rod reduces the vibration force through the elasticity of the spring, the rubber block can expand towards two ends to extrude the rubber pads through the extrusion of the moving rod, the rubber block and the rubber pads can increase the friction resistance when in contact, and the electrical cabinet is prevented from being violently bumped when moving.
According to the electric cabinet, the base is separated from the ground through the arc plate, the universal wheel is jacked up by the contact height of the arc plate and the ground, and the universal wheel is isolated from the ground when the arc plate is in contact with the ground, so that the stability of the electric cabinet on the ground is improved.
When the electrical cabinet is placed at a proper position, the arc plate is stepped to the bottom of the base, the pulley at the bottom of the arc plate is in contact with the ground, the friction force between the arc plate and the ground is reduced through the pulley, and the arc plate is conveniently pushed to the bottom of the base to fix the electrical cabinet.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional structural view of the base of the present invention;
FIG. 3 is a front cross-sectional structural schematic view of a rectangular plate according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 5 is a front cross-sectional structural view of the arc plate of the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 5 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 10. a right-angle plate; 11. a base plate; 12. a damping mechanism; 121. a travel bar; 122. a chassis; 123. a rubber pad; 124. a rubber block; 125. a spring; 13. a stabilizing mechanism; 131. a disc; 132. a clamping lever; 133. a groove; 134. a right-angle rod; 135. a rubber semicircular block; 14. a fixing mechanism; 141. positioning a groove; 142. positioning a rod; 143. a circular arc plate; 144. a card slot; 145. a sliding mechanism; b1, a pulley; b2, pulley lever; b3, pulley groove; b4, elastic ball; b5, trapezoidal blocks; 15. a bottom bar; 16. a leak port; 17. a universal wheel; 2. an electrical cabinet; 3. a cabinet door.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-6, the invention is an electrical cabinet base, which includes a base 1, an electrical cabinet 2 and a cabinet door 3, wherein the bottom of the electrical cabinet 2 is disposed inside the base 1, and the cabinet doors 3 are hinged to the left and right ends of the front surface of the electrical cabinet 2;
the base 1 comprises right-angle plates 10, a bottom plate 11, a damping mechanism 12, a stabilizing mechanism 13, a fixing mechanism 14, bottom rods 15, leakage openings 16 and universal wheels 17, the bottom plate 11 is fixedly connected with the bottom of the electrical cabinet 2, the four corners of the inner wall of the base 1 are fixedly connected with the right-angle plates 10, the stabilizing mechanism 13 is arranged inside each of the four right-angle plates 10, the damping mechanism 12 is arranged at the top of each of the four right-angle plates 10, the bottom rods 15 are fixedly connected with the bottoms of the four right-angle plates 10, the bottoms of the four bottom rods 15 are rotatably connected with the universal wheels 17 through rotating shafts, the leakage openings 16 are formed in the four corners of the bottom of the base 1, and the fixing mechanisms 14 are arranged at the left end and the right end of the bottom of the base 1;
the stabilizing mechanism 13 comprises a disc 131, a clamping rod 132, a groove 133, a right-angle rod 134 and a rubber semicircular block 135, the groove 133 is formed in the left side of the inner wall of the right-angle plate 10, the front end and the rear end of the disc 131 are rotatably connected with the front inner wall and the rear inner wall of the groove 133 through bearings, the clamping rod 132 is fixedly connected to the right side of the disc 131, a cross rod is fixedly connected to the left side of the disc 131, the top of the right-angle rod 134 is movably connected with the left side of the cross rod through a rotating shaft, and the rubber semicircular block 135 is fixedly connected with the bottom of the inner wall of the right-angle plate 10. the stabilizing mechanism extrudes the right-angle rod 134 through the elasticity of the bottom rubber semicircular block 135, the clamping rod 132 can move on the surface of the electrical cabinet 2 through the rotation of the disc 131, the distance between the electrical cabinet and the right-angle plate 10 can be reduced through the inclination and the straightening of the clamping rod 132, and the electrical cabinet can be stabilized through the extrusion of the clamping rod 132, the internal devices are prevented from being damaged when the electrical cabinet 2 is vibrated;
the top of the rubber half-round block 135 contacts the bottom outer surface of the right-angle bar 134.
The right-angled bar 134 has its left side in contact with the left inner wall of the groove 133, and the clamping bar 132 is disposed obliquely.
The right side outer surface of the clamping bar 132 is in contact with the outer surface of the electrical cabinet 2, and the bottom outer surface of the base plate 11 is disposed above the right side of the right angle bar 134.
The damping mechanism 12 comprises a moving rod 121, a bottom frame 122, rubber pads 123, rubber blocks 124 and springs 125, the bottom frame 122 is fixedly connected with the bottom of the inner wall of the right-angle plate 10, the moving rod 121 is arranged inside the bottom frame 122, the rubber pads 123 are bonded on the left inner wall and the right inner wall of the bottom frame 122, the springs 125 are fixedly connected with the bottom of the inner wall of the bottom frame 122, and the rubber blocks 124 are bonded on the top of the springs 125;
the left and right ends of the rubber block 124 are in contact with the outer surfaces of the two rubber pads 123.
The top of the moving rod 121 penetrates the top of the bottom frame 122 and extends to the outer end of the top of the bottom frame 122, and the top of the moving rod 121 is fixedly connected with the bottom of the bottom plate 11.
The fixing mechanism 14 comprises a positioning groove 141, a positioning rod 142, an arc plate 143, a clamping groove 144 and a sliding mechanism 145, the positioning groove 141 is formed in the left side of the base 1, the positioning rod 142 is fixedly connected with the front inner wall and the rear inner wall of the positioning groove 141, the arc plate 143 is rotatably connected with the outer surface of the positioning rod 142 through a bearing, the clamping groove 144 is formed in the bottom of the base 1, and the sliding mechanism 145 is arranged at one end, away from the positioning rod 142, of the arc plate 143;
one end of the circular arc plate 143 away from the positioning rod 142 contacts with the inner wall of the clamping groove 144.
The sliding mechanism 145 comprises a pulley b1, a pulley lever b2, a pulley groove b3, an elastic ball b4 and a trapezoidal block b5, the trapezoidal block b5 is fixedly connected with the arc plate 143, the pulley groove b3 is formed in the top of the trapezoidal block b5, the elastic ball b4 is fixedly connected with the bottom of the inner wall of the pulley groove b3, the pulley lever b2 is fixedly connected to the top of the elastic ball b4, and the pulley b1 is rotatably connected to the top of the pulley lever b2 through a bearing.
The outer surface of the pulley lever b2 contacts the inner wall of the pulley groove b3, and the outer surface of the pulley b1 contacts the top of the inner wall of the card groove 144.
Four orifices 16 all are perpendicular setting with four universal wheels 17, and four universal wheels 17 all extend to the bottom outer end of base 1 through four orifices 16.
One specific application of this embodiment is: when the electrical cabinet 2 needs to be moved, the arc plates 143 on the two sides of the base 1 can be pulled out by stepping on the electrical cabinet 1 to incline the rear or the front of the electrical cabinet 1, the universal wheels 17 can contact the ground after the arc plates 143 are pulled out, the electrical cabinet 1 can be pushed to adjust the position through the universal wheels 17, the shock applied to the electrical cabinet 2 during the movement pushes the moving rod 121 into the inside of the bottom frame 122, and when the moving rod 121 presses the rubber block 124 on the surface of the spring 125, when the rubber block 124 is squeezed, the rubber pads 123 at the two ends are squeezed by the rubber block 124, friction is increased when the rubber pads 123 are squeezed by the rubber block 124, when the electrical cabinet 2 squeezes the bottom of the right-angled rod 134, the right-angle rod 134 is pressed to press the cross rod downwards, the disc 131 drives the clamping rod 132 to move upwards through the movement of the cross rod, and the clamping rod 132 clamps the surface of the electrical cabinet 2 when moving upwards.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides an electrical cabinet base, includes base (1), regulator cubicle (2) and cabinet door (3), its characterized in that: the bottom of the electric cabinet (2) is arranged in the base (1), and the left end and the right end of the front side of the electric cabinet (2) are hinged with cabinet doors (3);
the base (1) comprises a right-angle plate (10), a bottom plate (11), a damping mechanism (12), a stabilizing mechanism (13), a fixing mechanism (14), a bottom rod (15), a leakage opening (16) and a universal wheel (17), the bottom plate (11) is fixedly connected with the bottom of the electrical cabinet (2), four corners of the inner wall of the base (1) are fixedly connected with right-angle plates (10), stabilizing mechanisms (13) are arranged inside the four right-angle plates (10), damping mechanisms (12) are arranged at the tops of the four right-angle plates (10), bottom rods (15) are fixedly connected with the bottoms of the four right-angle plates (10), universal wheels (17) are rotatably connected with the bottoms of the four bottom rods (15) through rotating shafts, four corners of the bottom of the base (1) are provided with leakage openings (16), and the left end and the right end of the bottom of the base (1) are provided with fixing mechanisms (14);
the stabilizing mechanism (13) comprises a disc (131), clamping rods (132), grooves (133), right-angle rods (134) and rubber semicircular blocks (135), the grooves (133) are formed in the left side of the inner wall of the right-angle plate (10), the front end and the rear end of the disc (131) are rotatably connected with the front inner wall and the rear inner wall of each groove (133) through bearings, the clamping rods (132) are fixedly connected to the right side of the disc (131), a cross rod is fixedly connected to the left side of the disc (131), the top of each right-angle rod (134) is movably connected with the left side of the cross rod through a rotating shaft, and the rubber semicircular blocks (135) are fixedly connected with the bottom of the inner wall of the right-angle plate (10);
the top of the rubber semicircular block (135) is in contact with the outer surface of the bottom of the right-angle rod (134);
the fixing mechanism (14) comprises a positioning groove (141), a positioning rod (142), an arc plate (143), a clamping groove (144) and a sliding mechanism (145), the positioning groove (141) is formed in the left side of the base (1), the positioning rod (142) is fixedly connected with the front inner wall and the rear inner wall of the positioning groove (141), the arc plate (143) is rotatably connected with the outer surface of the positioning rod (142) through a bearing, the clamping groove (144) is formed in the bottom of the base (1), and the sliding mechanism (145) is arranged at one end, away from the positioning rod (142), of the arc plate (143);
one end of the arc plate (143) far away from the positioning rod (142) is in contact with the inner wall of the clamping groove (144).
2. The electrical cabinet base according to claim 1, wherein the right-angle rod (134) contacts with the left inner wall of the groove (133) at the left side, and the clamping rod (132) is arranged obliquely.
3. The electrical cabinet base according to claim 1, wherein a right side outer surface of the clamping rod (132) is in contact with an outer surface of the electrical cabinet (2), and a bottom outer surface of the base plate (11) is disposed above a right side of the right-angle rod (134).
4. The electrical cabinet base according to claim 1, wherein the damping mechanism (12) comprises a moving rod (121), a bottom frame (122), a rubber pad (123), a rubber block (124) and a spring (125), the bottom frame (122) is fixedly connected with the bottom of the inner wall of the right-angle plate (10), the moving rod (121) is arranged inside the bottom frame (122), the rubber pads (123) are bonded on the left inner wall and the right inner wall of the bottom frame (122), the spring (125) is fixedly connected with the bottom of the inner wall of the bottom frame (122), and the rubber block (124) is bonded on the top of the spring (125);
the left end and the right end of the rubber block (124) are in contact with the outer surfaces of the two rubber pads (123).
5. The electrical cabinet base according to claim 4, wherein the top of the moving rod (121) penetrates the top of the bottom frame (122) and extends to the outer end of the top of the bottom frame (122), and the top of the moving rod (121) is fixedly connected with the bottom of the bottom plate (11).
6. The electrical cabinet base according to claim 1, wherein the sliding mechanism (145) comprises a pulley (b 1), a pulley lever (b 2), a pulley groove (b 3), an elastic ball (b 4) and a trapezoidal block (b 5), the trapezoidal block (b 5) is fixedly connected with the arc plate (143), the pulley groove (b 3) is formed in the top of the trapezoidal block (b 5), the elastic ball (b 4) is fixedly connected with the bottom of the inner wall of the pulley groove (b 3), the pulley lever (b 2) is fixedly connected with the top of the elastic ball (b 4), and the pulley (b 1) is rotatably connected with the top of the pulley lever (b 2) through a bearing.
7. The electrical cabinet base according to claim 6, wherein the outer surface of the pulley lever (b 2) contacts the inner wall of the pulley groove (b 3), and the outer surface of the pulley (b 1) contacts the top of the inner wall of the clamping groove (144).
8. The electrical cabinet base according to claim 1, wherein four of the leakage openings (16) are perpendicular to four universal wheels (17), and the four universal wheels (17) extend to the outer end of the bottom of the base (1) through the four leakage openings (16).
CN202111329701.6A 2021-11-11 2021-11-11 Electrical cabinet base Active CN113783125B (en)

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CN113783125B CN113783125B (en) 2022-01-25

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