CN112769055A - Power supply system of modular display rack - Google Patents

Abstract

The invention belongs to the technical field of display stands, and particularly relates to a modular display stand power supply system which is made in a modular mode. Therefore, according to the display requirements of customers, the power utilization modules such as the light-emitting head plate, the light-emitting price strip, the light-emitting side advertising plate, the multimedia advertising machine, the light control and magnetic control controller are put into the modular display rack power supply system in stages without repeatedly putting into manpower and material resources.

Description

Power supply system of modular display rack

Technical Field

The invention belongs to the technical field of display stands, and particularly relates to a modular display stand power supply system.

Background

The show shelf is extensively applicable to product show such as electron, electrical apparatus, famous tobacco, famous wine, drugstore, glasses, handicraft gift, quartzy goods, hotel articles for use, stationery commodity, car articles for use, 4S shop car model, plastic products, cosmetics special sales shop, mill 'S product show room, foreign trade company' S sample room. Modern product displays all require new, odd, special, and dazzling, such as: controller such as luminous head tablet, luminous price strip, luminous side bill-board, multimedia advertising machine, light-operated and magnetic control, and this all can not leave "electricity", traditional show shelf or goods shelves need carry out the power supply wiring after the unit mount is good again, this way is not only consuming time, and the aesthetic measure is not good enough, and the position is relatively fixed, and the unable upgrading transformation in later stage to need professional engineer to operate, and this time cost, human cost and expense all need the customer to undertake, have seriously restricted the release of customer's demand. Therefore, there is a need to develop a power supply structure applied to a display rack or a goods shelf to solve the defects of the prior art.

Disclosure of Invention

The invention aims to provide a modular display rack power supply system, and aims to solve the technical problems that in the prior art, a display rack or a goods shelf needs to be integrally installed and then is subjected to power supply and wiring, the method is time-consuming, poor in attractiveness and relatively fixed in position, and cannot be upgraded and reformed in the later period.

In order to achieve the above object, an embodiment of the present invention provides a modular display rack power supply system, which includes a power supply rack and a power utilization module; the power supply shelf is internally provided with a chute power transmission unit and a conductive chute unit, and two ends of the chute power transmission unit are respectively and electrically connected with an external power supply and the conductive chute unit so as to supply the power supply to the conductive chute unit; the electricity utilization module is installed on the conductive sliding groove unit in a matched mode, and a sliding groove electricity taking unit matched with the conductive sliding groove unit is arranged on the electricity utilization module; the chute electricity-taking unit extends into the conductive chute unit and is electrically connected with the conductive chute unit so as to transmit the power supply in the conductive chute unit to the electricity-using module through the chute electricity-taking unit.

Optionally, the conductive chute unit comprises a conductive chute block; the conductive sliding rail block is provided with a plurality of groups of conductive units which are independently arranged and are respectively and electrically connected with the sliding groove power transmission unit; the chute electricity-taking unit extends into any one group of the conductive units and is electrically connected with the conductive units, and the power supply in the conductive units can be transmitted to the electricity-using module through the chute electricity-taking unit.

Optionally, each group of the conductive units is provided with a slide rail groove arranged along the height direction of the conductive unit, and a first electrical connection portion and a second electrical connection portion which are arranged on two sides of the slide rail groove and electrically connected with the slide rail power transmission unit respectively; the end part of the chute electricity taking unit is movably arranged in the slide rail groove and can move between a power-on position and a power-off position; when the end part of the chute electricity taking unit is positioned at the electrifying position, the end part of the chute electricity taking unit is electrically contacted with the first electric connection part and the second electric connection part; when the end part of the chute electricity taking unit is positioned at the power-off position, the end part of the chute electricity taking unit is separated from the first electric connection part and the second electric connection part.

Optionally, the conductive chute unit further comprises an assembly housing; the assembly shell is sleeved outside the conductive sliding rail block and is fixedly connected with the conductive sliding rail block; the assembling shell is provided with a plurality of rows of electricity taking insertion holes along the height direction, and each row of electricity taking insertion holes corresponds to each group of the conductive units one by one; the chute electricity-taking unit extends into the conductive unit through the electricity-taking insertion hole and is electrically connected with the conductive unit.

Optionally, a support bracket arm which is installed in a matched manner with the assembly shell is arranged on the electricity utilization module, clamping lugs are arranged on one side, facing the assembly shell, of the support bracket arm at intervals from top to bottom, and the chute electricity taking unit is fixedly arranged on the support bracket arm and located between the two clamping lugs; the clamping lugs extend into the assembly shell through the electricity taking insertion holes and are clamped with the assembly shell, so that the supporting bracket arm and the electricity utilization module are fixed on the assembly shell.

Optionally, the chute power transmission unit includes a DC female socket and a power transmission circuit board; the DC female seat is provided with a DC inserting hole, an output positive pole and an output negative pole of the DC female seat are respectively and electrically connected with a positive pole and a negative pole of the power transmission circuit board, meanwhile, first electric connection parts in a plurality of groups of the conductive units are electrically connected with the positive pole of the power transmission circuit board, and second electric connection parts in the plurality of groups of the conductive units are electrically connected with the negative pole of the power transmission circuit board.

Optionally, the chute electricity taking unit comprises an elastic sheet fixing box, a positive electrode electricity taking elastic sheet and a negative electrode electricity taking elastic sheet; the elastic sheet fixing box comprises a left elastic sheet box body and a right elastic sheet box body, and the left elastic sheet box body and the right elastic sheet box body are enclosed together to form an assembly chamber; the positive electrode electricity taking elastic sheet and the negative electrode electricity taking elastic sheet are arranged in the assembly cavity at intervals and are tightly pressed and fixed in the assembly cavity through the left elastic sheet box body and the right elastic sheet box body; the front end part of the positive electricity taking elastic sheet protrudes out of the left elastic sheet box body so as to realize elastic contact with the first electric connection part; the front end part of the negative electricity taking elastic sheet protrudes out of the right elastic sheet box body so as to realize elastic contact with the second electric connection part.

Optionally, the left spring plate box body and the right spring plate box body are detachably fixed through a first connecting assembly, the first connecting assembly comprises an embedded block protruding from the left spring plate box body and an embedded column protruding from the right spring plate box body, and the embedded block is embedded in the embedded column to complete the fixation between the left spring plate box body and the right spring plate box body.

Optionally, the left spring plate box body and the right spring plate box body are detachably fixed through a second connecting assembly, the second connecting assembly comprises a left clamping hook arm and a right clamping hook arm, the left clamping hook arm and the right clamping hook arm are arranged on the left spring plate box body in a protruding mode, the left clamping hook arm and the right clamping hook arm are hooked mutually to complete fixing between the left spring plate box body and the right spring plate box body.

Optionally, the assembly chamber comprises a positive spring piece mounting groove and a negative spring piece positioning groove formed on the inner wall of the left spring piece box body, and a negative spring piece mounting groove and a positive spring piece positioning groove formed on the inner wall of the right spring piece box body; the positive elastic piece mounting groove is opposite to the positive elastic piece positioning groove, and the negative elastic piece mounting groove is opposite to the negative elastic piece positioning groove; the positive elastic piece mounting groove is provided with a left extending window corresponding to the front end part of the positive electricity taking elastic piece in a penetrating manner, and the negative elastic piece mounting groove is provided with a right extending window corresponding to the front end part of the negative electricity taking elastic piece in a penetrating manner; the main body of the positive electricity taking elastic sheet is embedded in the positive elastic sheet mounting groove, the rear end part of the positive electricity taking elastic sheet is embedded in the positive elastic sheet positioning groove, and the front end part of the positive electricity taking elastic sheet protrudes out of the left protruding window; the main body of the negative electricity taking elastic piece is embedded in the negative elastic piece mounting groove, the rear end part of the negative electricity taking elastic piece is embedded in the negative elastic piece positioning groove, and the front end part of the negative electricity taking elastic piece protrudes out of the right extending window.

One or more technical solutions in the modular display stand power supply system provided by the embodiment of the present invention at least have one of the following technical effects: compared with the prior art, the modularized display rack power supply system is made in a modularized mode, the chute power transmission unit and the conductive chute unit are arranged on the power supply placement rack in advance, and the chute power taking unit is arranged on the power utilization module in advance, so that the power utilization module can be plugged and used, the power utilization module can move up and down freely on the power supply placement rack, a continuous power supply can be obtained, the number of the power utilization modules can be increased and decreased freely, and the application range of the modularized display rack power supply system is expanded greatly. Therefore, according to the display requirements of customers, the power utilization modules such as the light-emitting head plate, the light-emitting price strip, the light-emitting side advertising plate, the multimedia advertising machine, the light control and magnetic control controller are put into the modular display rack power supply system in stages without repeatedly putting into manpower and material resources.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a modular display rack power system according to an embodiment of the present invention.

Fig. 2 is an exploded view of a modular display rack power system according to an embodiment of the invention.

Fig. 3 is a schematic diagram of an internal structure of a power system of a modular display rack according to an embodiment of the present invention.

Fig. 4 is a schematic connection diagram of the conductive chute unit and the chute power-taking unit according to the embodiment of the present invention.

Fig. 5 is a first schematic structural diagram of a conductive sliding chute unit according to an embodiment of the present invention.

Fig. 6 is a second schematic structural diagram of the conductive sliding chute unit according to the embodiment of the present invention.

Fig. 7 is a schematic connection diagram of the chute power transmission unit and the conductive chute unit according to the embodiment of the present invention.

Fig. 8 is a perspective view of the chute power-taking unit provided in the embodiment of the invention.

Fig. 9 is a top view of the chute power-taking unit according to the embodiment of the invention.

Fig. 10 is an exploded schematic view of a chute power-taking unit according to an embodiment of the invention.

Fig. 11 is a schematic structural diagram of a positive electrode electricity-taking elastic sheet and a negative electrode electricity-taking elastic sheet according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100-power supply rest stand 200-power utilization module 210-support bracket

211-clamping lug 300-chute power transmission unit 310-DC female seat

311-DC plug hole 320-power transmission circuit board 400-conductive sliding groove unit

410-conductive slide block 420-conductive unit 421-slide groove

422-first electrical connection 4221-first conductive mounting groove 4222-first conductive bar

423-second electrical connection 4231-second conductive mounting groove 4232-second conductive strip

430-assembly shell 431-electricity-taking insertion opening 500-chute electricity-taking unit

510-shrapnel fixing box 520-positive pole electricity getting shrapnel 530-negative pole electricity getting shrapnel

540-left shrapnel box 550-right shrapnel box 560-assembly chamber

561-positive pole spring piece mounting groove 5611-left extending window 562-negative pole spring piece positioning groove

563 a negative spring sheet mounting groove 5631 a right extending window 564 a positive spring sheet positioning groove

565-shrapnel wiring port 566-positioning column 570-first connecting component

571-embedded block 572-embedded column 580-second connecting component

581-left hook arm 582-right hook arm 590-locating hole

610-spring plate main body 620-elastic conductive part 630-limiting seat

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, a modular power supply system for a display rack is provided, which includes a power supply rack 100 and a power utilization module 200; the power supply shelf 100 is provided with a chute power transmission unit 300 and a conductive chute unit 400, and two ends of the chute power transmission unit 300 are respectively electrically connected with an external power supply and the conductive chute unit 400 so as to supply power to the conductive chute unit 400; the electricity utilization module 200 is installed on the conductive sliding groove unit 400 in a matching manner, and a sliding groove electricity taking unit 500 matched with the conductive sliding groove unit 400 is arranged on the electricity utilization module 200; the chute electricity-taking unit 500 extends into the conductive chute unit 400 and is electrically connected with the conductive chute unit 400, so that the power supply in the conductive chute unit 400 is transmitted to the electricity-consuming module 200 through the chute electricity-taking unit 500.

Specifically, in this embodiment, the modular display rack power supply system of the present invention is made in a modular manner, and the chute power transmission unit 300 and the chute power taking unit 400 are pre-installed on the power supply placement rack 100, and the chute power taking unit 500 is pre-installed on the power consumption module 200, so that the power consumption module 200 can be used in a plug-and-play manner, and the power consumption module 200 can move up and down freely on the power supply placement rack 100, so that a continuous power supply can be obtained, the number of the power consumption modules 200 can be increased or decreased at will, and the application range of the modular display rack power supply system of the present invention is greatly expanded. Therefore, according to the display requirements of customers, the power utilization modules such as the light-emitting head plate, the light-emitting price strip, the light-emitting side advertising plate, the multimedia advertising machine, the light control and magnetic control controller are put into the modular display rack power supply system in stages without repeatedly putting into manpower and material resources.

In another embodiment of the present invention, as shown in fig. 4 to 6, the conductive sliding chute unit 400 includes a conductive sliding rail block 410; the conductive sliding rail block 410 is provided with a plurality of sets of conductive units 420 which are independently arranged and are respectively electrically connected with the sliding chute power transmission unit 300; the chute power-taking unit 500 extends into any one group of the conductive units 420 and is electrically connected with the conductive units 420, so that the power in the conductive units 420 can be transmitted to the power module 200 through the chute power-taking unit 500.

Specifically, in this embodiment, set up the electrically conductive unit 420 of a plurality of groups independent settings on electrically conductive slide rail piece 410, through the technique that adopts multiunit independent power supply, to a plurality of differences power consumption module 200 carries out independent power supply, can make a plurality ofly power consumption module 200 switches on or cuts off the power under different time, different user state to it is a plurality of to realize independent indirect control power consumption module 200's operating condition, it is more convenient to use and control, does benefit to energy-conservation, reaches the multiple purpose that improves power supply efficiency simultaneously.

In another embodiment of the present invention, as shown in fig. 5 or fig. 6, each set of the conductive units 420 has a sliding rail groove 421 disposed along the height direction thereof, and a first electrical connection portion 422 and a second electrical connection portion 423 disposed at two sides of the sliding rail groove 421 and electrically connected to the sliding rail power transmission unit 300 respectively; the end of the chute electricity taking unit 500 is movably disposed in the slide rail groove 421 and can move between an energizing position and a de-energizing position; when the end of the chute electricity-taking unit 500 is located at the power-on position, the end of the chute electricity-taking unit 500 is electrically contacted with the first electrical connection portion 422 and the second electrical connection portion 423; when the end of the chute power-taking unit 500 is located at the power-off position, the end of the chute power-taking unit 500 is separated from the first electrical connection portion 422 and the second electrical connection portion 423.

It can be seen that, in this embodiment, the conductive unit 420 is in the mutual cooperation of the slide rail groove 421, the first electrical connection portion 422 and the second electrical connection portion 423, so that the chute power taking unit 500 and the conductive unit 420 are quickly connected or disconnected, the operation is convenient, no misoperation occurs, and the safety performance is high.

In another embodiment of the present invention, as shown in fig. 5 or 6, the first electrical connection portion 422 includes a first conductive mounting groove 4221 disposed on the inner wall of the first side of the conductive sliding block 410 and a first conductive bar 4222 mounted in the first conductive mounting groove 4221; the second electrical connection part 423 comprises a second conductive mounting groove 4231 arranged on the inner wall of the second side of the conductive sliding rail block 410 and a second conductive bar 4232 arranged in the second conductive mounting groove 4231; the first bus bar 4222 and the second bus bar 4232 are electrically connected to the chute power transmission unit 300 respectively; when the end of the chute power-taking unit 500 is located at the power-on position, the end of the chute power-taking unit 500 is respectively embedded in the first conductive mounting groove 4221 and the second conductive mounting groove 4231, and then electrically contacts the first conductive strip 4222 and the second conductive strip 4232.

It can be seen that, in this embodiment, because when the end of the chute electricity-taking unit 500 is located at the power-on position, the end of the chute electricity-taking unit 500 is respectively embedded in the first conductive mounting groove 4221 and the second conductive mounting groove 4231, so as to ensure that the end of the chute electricity-taking unit 500 is in stable electrical contact with the first conductive strip 4222 and the second conductive strip 4232, the chute electricity-taking unit 500 is prevented from falling off in the process of power supply communication, and the chute electricity-taking unit 500 is more stable and reliable in electrical connection relationship with the conductive unit 420.

In another embodiment of the present invention, as shown in fig. 6, two sets of the conductive units 420 are arranged side by side along the transverse direction, and the openings of the two sets of the conductive units 420 are consistent and open outwards.

In another embodiment of the present invention, as shown in fig. 5, four sets of the conductive units 420 are provided, the four sets of the conductive units 420 are arranged in a two-by-two matrix, and the two sets of the conductive units 420 located on the same side have the same opening direction and are opened outward.

In another embodiment of the present invention, as shown in fig. 4 to 6, the conductive chute unit 400 further includes an assembly housing 430; the assembly housing 430 is sleeved outside the conductive sliding rail block 410 and is fixedly connected with the conductive sliding rail block 410; the assembly shell 430 is provided with a plurality of rows of power-taking insertion holes 431 along the height direction, and each row of the power-taking insertion holes 431 corresponds to each group of the conductive units 420 one by one; the chute power-taking unit 500 extends into the conductive unit 420 through the power-taking insertion opening 431 and is electrically connected with the conductive unit 420.

It can be seen that, in this embodiment, through the mutual cooperation between the assembly housing 430 and the conductive sliding rail blocks 410, that is, each row of the electricity-taking insertion holes 431 corresponds to each group of the conductive units 420 one to one, so that the power module 200 is turned on or off at different times and in different use states, and the purpose of improving the power supply efficiency is achieved.

In another embodiment of the present invention, as shown in fig. 3, a supporting bracket 210 installed in cooperation with the assembling housing 430 is disposed on the power utilization module 200, clamping lugs 211 are disposed on one side of the supporting bracket 210 facing the assembling housing 430 at an upper and lower interval, and the chute power-taking unit 500 is fixedly disposed on the supporting bracket 210 and located between the two clamping lugs 211; the clamping-connection hanging lug 211 extends into the assembly housing 430 through the electricity-taking insertion opening 431 and is clamped with the assembly housing 430, so that the support bracket 210 and the electricity-using module 200 are fixed on the assembly housing 430.

In this embodiment, the two clamping lugs 211 which are spaced up and down are clamped with the assembling shell 430, so that the supporting bracket 210 and the power module 200 are quickly fixed on the assembling shell 430, and the power supply shelf 100 and the power module 200 are conveniently and quickly assembled; on the other hand, the end of the chute electricity-taking unit 500 is ensured to be in stable electrical contact with the conductive unit 420, and the stable connection between the chute electricity-taking unit 500 and the conductive unit 420 is further strengthened.

In another embodiment of the present invention, as shown in fig. 7, the chute power transmission unit 300 includes a DC female socket 310 and a power transmission circuit board 320; the DC female socket 310 has a DC insertion hole 311, an output positive electrode and an output negative electrode of the DC female socket 310 are electrically connected to a positive electrode and a negative electrode of the power transmission circuit board 320, respectively, and meanwhile, the first electrical connection portions 422 of the plurality of sets of the conductive units 420 are electrically connected to the positive electrode of the power transmission circuit board 320, and the second electrical connection portions 423 of the plurality of sets of the conductive units 420 are electrically connected to the negative electrode of the power transmission circuit board 320.

Specifically, in this embodiment, the positive electrode and the negative electrode of the power transmission circuit board 320 are electrically connected to the output positive electrode and the output negative electrode of the DC female socket 310 on the one hand, and the positive electrode of the first electrical connection portion 422 and the negative electrode of the second electrical connection portion 423 in the plurality of sets of the conductive units 420 on the other hand, so that the DC female socket 310 is electrically connected to the first electrical connection portion 422 and the second electrical connection portion 423 in the plurality of sets of the conductive units 420, and at this time, the DC female socket 310 is electrically connected to an external power source through the DC insertion hole 311, so that the external power source is supplied to the first electrical connection portion 422 and the second electrical connection portion 423 in the plurality of sets of the conductive units 420.

In another embodiment of the present invention, as shown in fig. 8, the chute power-taking unit 500 includes a spring fixing box 510, a positive power-taking spring 520 and a negative power-taking spring 530; the shrapnel fixing box 510 comprises a left shrapnel box body 540 and a right shrapnel box body 550, and the left shrapnel box body 540 and the right shrapnel box body 550 are enclosed together to form an assembly chamber 560; the positive pole electricity-taking elastic piece 520 and the negative pole electricity-taking elastic piece 530 are arranged in the assembly chamber 560 at intervals and are tightly pressed and fixed in the assembly chamber 560 through the left elastic piece box body 540 and the right elastic piece box body 550; the front end of the positive electrode electricity taking elastic sheet 520 protrudes out of the left elastic sheet box body 540 to realize elastic contact with the first electric connection part 422; the front end of the negative electricity-taking spring plate 530 protrudes out of the right spring plate box 550 to elastically contact the second electric connection part 423.

Specifically, in this embodiment, the positive electrode power-taking spring plate 520 and the negative electrode power-taking spring plate 530 are compressed and fixed in the assembly chamber 560 through the left spring plate box 540 and the right spring plate box 550, so that the overall deformation of the positive electrode power-taking spring plate 520 and the negative electrode power-taking spring plate 530 is limited, poor contact at the front end part caused by excessive deformation of the positive electrode power-taking spring plate 520 and the negative electrode power-taking spring plate 530 is prevented, and the working stability is improved. When the front ends of the positive electricity-taking elastic sheet 520 and the negative electricity-taking elastic sheet 530 are pressed by external force, the front ends of the positive electricity-taking elastic sheet 520 and the negative electricity-taking elastic sheet 530 retract into the left elastic sheet box body 540 and the right elastic sheet box body 550, so that the front end of the positive electricity-taking elastic sheet 520 is electrically contacted with the first electric connection part 422 and the front end of the negative electricity-taking elastic sheet 530 is electrically contacted with the second electric connection part 423.

In another embodiment of the present invention, as shown in fig. 8 and 10, the left spring plate case 540 and the right spring plate case 550 are detachably fixed by a first connecting assembly 570, the first connecting assembly 570 includes an embedded block 571 convexly disposed on the left spring plate case 540 and an embedded column 572 convexly disposed on the right spring plate case 550, and the embedded block 571 is embedded in the embedded column 572 to complete the fixation between the left spring plate case 540 and the right spring plate case 550. Specifically, in this embodiment, left shell fragment box body 540 with detachable structure has between the right shell fragment box body 550, through first connecting assembly 570 makes the equipment of the fixed box of shell fragment 510 is more swift, convenient, and when the positive pole was got electric shell fragment 520 with the electric shell fragment 530 was got to the negative pole damaged, detachable structure made the maintenance in the fixed box of shell fragment 510 later stage is changed also very conveniently.

In another embodiment of the present invention, as shown in fig. 8 and 9, the left leaf spring case 540 and the right leaf spring case 550 are detachably fixed by a second connection assembly 580, the second connection assembly 580 includes a left hook arm 581 convexly disposed on the left leaf spring case 540 and a right hook arm 582 convexly disposed on the right leaf spring case 550, and the left hook arm 581 and the right hook arm 582 are hooked with each other to complete the fixing between the left leaf spring case 540 and the right leaf spring case 550. Specifically, in this embodiment, left shell fragment box 540 with detachable structure has between the right shell fragment box 550, through second coupling assembling 580 makes the equipment of the fixed box of shell fragment 510 is more swift, convenient, and when the positive pole was got electric shell fragment 520 with the electric shell fragment 530 was got to the negative pole and is damaged, detachable structure made the maintenance in the fixed box of shell fragment 510 later stage is also very convenient.

In another embodiment of the present invention, as shown in fig. 10, the assembly chamber 560 includes a positive spring installation groove 561 and a negative spring positioning groove 562 formed on the inner wall of the left spring case 540, and a negative spring installation groove 563 and a positive spring positioning groove 564 formed on the inner wall of the right spring case 550; the positive spring piece mounting groove 561 is arranged opposite to the positive spring piece positioning groove 564, and the negative spring piece mounting groove 563 is arranged opposite to the negative spring piece positioning groove 562; the positive spring piece mounting groove 561 is corresponding to the front end portion of the positive electricity taking spring piece 520 and penetrates through a left extending window 5611, and the negative spring piece mounting groove 563 is corresponding to the front end portion of the negative electricity taking spring piece 530 and penetrates through a right extending window 5631.

It can be seen that, in this embodiment, a plurality of mounting grooves are formed on the inner walls of the left spring case 540 and the right spring case 550, the positive power-taking spring 520 and the negative power-taking spring 530 are positioned in each mounting groove in a one-to-one correspondence manner, that is, the main body of the positive power-taking spring 520 is embedded in the positive spring mounting groove 561, the rear end of the positive power-taking spring 520 is embedded in the positive spring positioning groove 564, and the front end of the positive power-taking spring 520 protrudes out of the left protruding window 5611; the main body of the negative electricity taking elastic piece 530 is embedded in the negative elastic piece mounting groove 563, the rear end of the negative electricity taking elastic piece 530 is embedded in the negative elastic piece positioning groove 562, and the front end of the negative electricity taking elastic piece 530 protrudes out of the right extending window 5631. Therefore, the positive electrode electricity-taking elastic sheet 520 and the negative electrode electricity-taking elastic sheet 530 can be stably arranged in the assembly cavity 560 formed by enclosing the left elastic sheet box body 540 and the right elastic sheet box body 550 together through the simple assembly cavity 560, and the assembly cavity has the effect of shock absorption, is firm in structure and is very resistant to falling.

Further, as shown in fig. 10, the left spring plate box 540 corresponds to the positive spring plate mounting groove 561 and the negative spring plate positioning groove 562, and the right spring plate box 550 corresponds to the negative spring plate mounting groove 563 and the end of the positive spring plate positioning groove 564, and a spring plate wiring opening 565 is formed through the ends thereof. Therefore, the positive electrode electricity-taking elastic sheet 520 and the negative electrode electricity-taking elastic sheet 530 which are fixed in the assembly cavity 560 through the elastic sheet wiring port 565 are quickly connected with the electricity-using module 200 through wires, and the connection structure is greatly simplified.

In another embodiment of the present invention, as shown in fig. 10, positioning holes 590 are formed on the main bodies of the positive electrode electricity-taking spring piece 520 and the negative electrode electricity-taking spring piece 530, and positioning posts 566 adapted to the positioning holes 590 are convexly arranged in the assembling cavity 560; the positioning post 566 is inserted into the positioning hole 590, so that the positive pole electricity-taking elastic sheet 520 and the negative pole electricity-taking elastic sheet 530 are stably assembled in the assembly chamber 560, and the positive pole electricity-taking elastic sheet 520 and the negative pole electricity-taking elastic sheet 530 can be stably installed in the assembly chamber 560 formed by enclosing the left elastic sheet box body 540 and the right elastic sheet box body 550 together.

In another embodiment of the invention, as shown in fig. 11, the positive electrode power-taking spring piece 520 and the negative electrode power-taking spring piece 530 have the same structure, and both include a spring piece main body 610, an elastic conductive portion 620 disposed at the front end portion of the spring piece main body 610, and a limiting seat 630 disposed at the rear end portion of the spring piece main body 610.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A modular display rack power supply system comprises a power supply rest rack and a power utilization module; the method is characterized in that: the power supply shelf is internally provided with a chute power transmission unit and a conductive chute unit, and two ends of the chute power transmission unit are respectively and electrically connected with an external power supply and the conductive chute unit so as to supply the power supply to the conductive chute unit; the electricity utilization module is installed on the conductive sliding groove unit in a matched mode, and a sliding groove electricity taking unit matched with the conductive sliding groove unit is arranged on the electricity utilization module; the chute electricity-taking unit extends into the conductive chute unit and is electrically connected with the conductive chute unit so as to transmit the power supply in the conductive chute unit to the electricity-using module through the chute electricity-taking unit.

2. The modular display rack power system of claim 1, wherein: the conductive sliding chute unit comprises a conductive sliding rail block; the conductive sliding rail block is provided with a plurality of groups of conductive units which are independently arranged and are respectively and electrically connected with the sliding groove power transmission unit; the chute electricity-taking unit extends into any one group of the conductive units and is electrically connected with the conductive units, and the power supply in the conductive units can be transmitted to the electricity-using module through the chute electricity-taking unit.

3. The modular display rack power system of claim 2, wherein: each group of the conductive units is provided with a slide rail groove arranged along the height direction of the conductive unit, and a first electric connection part and a second electric connection part which are arranged on two sides of the slide rail groove and are respectively and electrically connected with the chute power transmission unit; the end part of the chute electricity taking unit is movably arranged in the slide rail groove and can move between a power-on position and a power-off position; when the end part of the chute electricity taking unit is positioned at the electrifying position, the end part of the chute electricity taking unit is electrically contacted with the first electric connection part and the second electric connection part; when the end part of the chute electricity taking unit is positioned at the power-off position, the end part of the chute electricity taking unit is separated from the first electric connection part and the second electric connection part.

4. The modular display rack power system of claim 2, wherein: the conductive chute unit further comprises an assembling shell; the assembly shell is sleeved outside the conductive sliding rail block and is fixedly connected with the conductive sliding rail block; the assembling shell is provided with a plurality of rows of electricity taking insertion holes along the height direction, and each row of electricity taking insertion holes corresponds to each group of the conductive units one by one; the chute electricity-taking unit extends into the conductive unit through the electricity-taking insertion hole and is electrically connected with the conductive unit.

5. The modular display rack power system of claim 4, wherein: the power utilization module is provided with a support bracket matched with the assembly shell, the support bracket is provided with clamping lugs at intervals from top to bottom on one side of the support bracket facing the assembly shell, and the chute power taking unit is fixedly arranged on the support bracket and positioned between the two clamping lugs; the clamping lugs extend into the assembly shell through the electricity taking insertion holes and are clamped with the assembly shell, so that the supporting bracket arm and the electricity utilization module are fixed on the assembly shell.

6. The modular display rack power system of claim 3, wherein: the chute power transmission unit comprises a DC female socket and a power transmission circuit board; the DC female seat is provided with a DC inserting hole, an output positive pole and an output negative pole of the DC female seat are respectively and electrically connected with a positive pole and a negative pole of the power transmission circuit board, meanwhile, first electric connection parts in a plurality of groups of the conductive units are electrically connected with the positive pole of the power transmission circuit board, and second electric connection parts in the plurality of groups of the conductive units are electrically connected with the negative pole of the power transmission circuit board.

7. The modular display rack power system of claim 3, wherein: the chute electricity taking unit comprises an elastic sheet fixing box, a positive electrode electricity taking elastic sheet and a negative electrode electricity taking elastic sheet; the elastic sheet fixing box comprises a left elastic sheet box body and a right elastic sheet box body, and the left elastic sheet box body and the right elastic sheet box body are enclosed together to form an assembly chamber; the positive electrode electricity taking elastic sheet and the negative electrode electricity taking elastic sheet are arranged in the assembly cavity at intervals and are tightly pressed and fixed in the assembly cavity through the left elastic sheet box body and the right elastic sheet box body; the front end part of the positive electricity taking elastic sheet protrudes out of the left elastic sheet box body so as to realize elastic contact with the first electric connection part; the front end part of the negative electricity taking elastic sheet protrudes out of the right elastic sheet box body so as to realize elastic contact with the second electric connection part.

8. The modular display rack power system of claim 7, wherein: the left elastic piece box body and the right elastic piece box body are detachably fixed through a first connecting assembly, the first connecting assembly comprises an embedded block and a protruding column, the protruding block is arranged on the left elastic piece box body, the embedded column is arranged on the right elastic piece box body, and the embedded block is clamped in the embedded column to complete fixation between the left elastic piece box body and the right elastic piece box body.

9. The modular display rack power system of claim 7, wherein: the left spring piece box body and the right spring piece box body are detachably fixed through a second connecting assembly, the second connecting assembly comprises a left clamping hook arm and a right clamping hook arm, the left clamping hook arm and the right clamping hook arm are arranged on the left spring piece box body in a protruding mode, the left clamping hook arm and the right clamping hook arm are hooked mutually to complete fixing between the left spring piece box body and the right spring piece box body.

10. The modular display rack power system of claim 7, wherein: the assembly chamber comprises a positive elastic piece mounting groove and a negative elastic piece positioning groove which are formed on the inner wall of the left elastic piece box body, and a negative elastic piece mounting groove and a positive elastic piece positioning groove which are formed on the inner wall of the right elastic piece box body; the positive elastic piece mounting groove is opposite to the positive elastic piece positioning groove, and the negative elastic piece mounting groove is opposite to the negative elastic piece positioning groove; the positive elastic piece mounting groove is provided with a left extending window corresponding to the front end part of the positive electricity taking elastic piece in a penetrating manner, and the negative elastic piece mounting groove is provided with a right extending window corresponding to the front end part of the negative electricity taking elastic piece in a penetrating manner; the main body of the positive electricity taking elastic sheet is embedded in the positive elastic sheet mounting groove, the rear end part of the positive electricity taking elastic sheet is embedded in the positive elastic sheet positioning groove, and the front end part of the positive electricity taking elastic sheet protrudes out of the left protruding window; the main body of the negative electricity taking elastic piece is embedded in the negative elastic piece mounting groove, the rear end part of the negative electricity taking elastic piece is embedded in the negative elastic piece positioning groove, and the front end part of the negative electricity taking elastic piece protrudes out of the right extending window.

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