CN217485884U - Track electric connection structure and information tablet display device convenient to dismantle - Google Patents

Abstract

The utility model discloses a track electricity connection structure and information tablet display device convenient to dismantle, including rail in-connection piece, joint spare, moving part, equipment connecting piece and electrically conductive end, joint spare sets up a side or both sides face of rail in-connection piece, joint spare protrusion the side of rail in-connection piece, joint spare is used for the orbital inside wall of joint, the moving part sets up on a tip or the both ends of rail in-connection piece, the moving part is in the inside of rail in-connection piece with joint spare is connected, drive when moving behind the moving part atress the joint spare to rail in-connection piece inside removes, equipment connecting piece sets up the bottom of rail in-connection piece, the utility model discloses can realize the joint of optional position, it is more convenient to use. The hoisting display of the information board can be realized, and the display of the double-sided display board can be realized.

Description

Track electric connection structure and information tablet display device convenient to dismantle

Technical Field

The utility model relates to a mechanical structure technical field, concretely relates to through connecting piece and the structure of being convenient for electrically conduct and fixed behind the rail connection, especially relate to a track electricity connection structure and information tablet display device convenient to dismantle.

Background

With the development of the existing electronic technology, the price of the electronic device including the electronic screen is gradually reduced. Because the electronic screen can display colorful information and the information can be changed at any time according to the needs, the electronic screen gradually replaces the traditional paper products for information display. The electronic equipment with the electronic display screen can be an electronic information board, and can display commodity price information and the like. The basic structure of the existing information board displayed through the electronic screen can comprise the electronic screen, a processor and a power supply unit. The electronic screen is used for displaying information, the processor is used for controlling and transmitting the information to the electronic screen, and the power supply unit is used for supplying power to the processor and the electronic screen. The existing power supply mode comprises battery power supply and external power supply. The battery power supply is to set a storage battery in the device for supplying power, and the electronic device supplied with power by the battery also provides the functions of charging by an external power supply and directly supplying power under normal conditions. The external power supply supplies power, namely, the mode of directly supplying power to the electronic equipment through a power supply outside the electronic equipment.

The electronic information board not only needs to be powered, but also needs to be fixed when information is displayed. In order to realize fixation and power supply at the same time, many solutions adopt fixation and power supply integrated type. Namely, the power supply and the fixation are realized by connecting the power supply and the fixation to a charged track through a connecting piece. As in the patent previously filed by the applicant, application No.: 201721742691.8, application name: a conductive arm, a fixed rail and a device. In this patent, there is disclosed: the utility model provides a conductive arm pole, trapped orbit and device, includes electronic equipment, conductive arm pole and trapped orbit, and electronic equipment's bottom is provided with the interface, and the oval fixed head of conductive arm pole sets up in trapped orbit's installation grooved rail. This technical scheme provides the electric energy through the trapped orbit to electrically conductive armed lever, carries out the electricity through electrically conductive armed lever screw thread spliced pole and electronic equipment then and is connected for electrically conductive armed lever provides the electric energy for electronic equipment, through the mutual concatenation of trapped orbit, can obtain different length trapped orbits then. And the conductive arm rod is fixed by the fixed shell sleeve of the fixed track, so that a plurality of electronic devices can be fixed on the fixed shell sleeve of the fixed track. And connect fixed electronic equipment through electrically conductive armed lever, show the goods price on the goods shelves through electronic equipment, can also carry out the propaganda of advertisement simultaneously, can also carry out the inquiry of goods through the electric value equipment, the great convenience when providing the shopping for the customer. However, in practical use, each connecting position of the conductive arm on the track is fixed, and the requirement of fixing any position cannot be met.

The applicant has also filed another patent for conductive connections, application No.: 201721659847.6, application name: a rotary clamping and fixing structure of equipment. In this patent, there is disclosed: the utility model provides a rotatory block fixed knot of equipment constructs, including revolving the card, revolving the joint and detaining and the stationary plane, the stationary plane is provided with ladder draw-in groove and fixed slot, revolves the connection face of card and is provided with the cylinder arch, and the bellied top surface of cylinder is provided with joint spare, revolves the stationary plane of card and is provided with the connecting piece. The cylindrical protrusion of the rotary clamp is sleeved with the connecting hole of the rotary clamp buckle, and the rotary clamp is rotated, so that the cylindrical protrusion and the clamping piece rotate around the connection. In the ladder draw-in groove of stationary plane was installed through the leptoprosopy to the joint spare, rotatory card of rotating then for joint spare joint is in the ladder draw-in groove, and joint spare is under the circumstances of dead weight and/or heavy burden simultaneously, and joint spare can the roof pressure chucking in the ladder draw-in groove. Simultaneously, the fixed gear shaping joint of revolving the joint knot is in the fixed slot of stationary plane for revolving the condition that the joint knot can not take place to rotate, reach the fixed joint knot of revolving and revolve the purpose of card. The rotary clamp and the rotary clamp buckle can slide in the step clamping groove and the fixed groove, so that people can conveniently adjust the positions of the rotary clamp and the rotary clamp selecting buckle. However, in practice, the rotary clamping structure can only be used on the back of the electronic information plate, and cannot be applied to the hung electronic information plate, particularly the electronic information plate with a double-sided screen. And the two connecting devices are both required to be rotationally clamped, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Therefore, a rail electric connection structure convenient to detach and an information board display device are needed to be provided, and the problems that an existing information board cannot be hung and moved randomly and is inconvenient to use are solved.

In order to achieve the above object, the present invention provides a track electrical connection structure convenient to disassemble, including a rail inner connection block of a rectangular shape, a clamping member, a moving member, an equipment connection member and a conductive end, wherein the clamping member is disposed on one side surface or two side surfaces of the rail inner connection block, the clamping member protrudes out of the side surface of the rail inner connection block, the clamping member is used for clamping the inner side wall of a track, the moving member is disposed on one end portion or two end portions of the rail inner connection block, the moving member is disposed inside the rail inner connection block and connected with the clamping member, the moving member drives the clamping member to move towards the inside of the rail inner connection block when moving after being stressed, the equipment connection member is disposed at the bottom of the rail inner connection block, the conductive end is disposed at the top or the side surface of the rail inner connection block, the equipment connection member includes an electrical connection terminal and a fixed connection portion, the fixed connecting part is used for being fixedly connected with the information board, the electric connecting terminal is used for being electrically connected with a power interface of the information board, the conductive end is electrically connected with the electric connecting terminal inside the connecting block in the track, and the conductive end is used for being electrically connected with a conductive strip in the track;

the part of the clamping piece protruding the side of the connecting block in the rail is a clamping head, the longitudinal section of the clamping head is a right trapezoid, the top of the clamping head is an inclined plane, and the inclined plane is the position of the inclined side of the right trapezoid.

Furthermore, the movable piece moves towards the inside of the connecting block in the rail under pressure when moving after being stressed.

Further, the moving part with be provided with slope slide mechanism between the joint spare, slope slide mechanism includes slant groove and slip post, the slip post is arranged in the slant inslot, the slip post is in drive when the slant inslot slides the joint spare to the inside removal of in-rail connecting block.

Further, including canceling release mechanical system, canceling release mechanical system sets up the inside of in-rail connecting block and with the joint spare perhaps the moving part is connected, canceling release mechanical system is used for driving through self restoring force the joint spare is toward the protrusion the side motion of in-rail connecting block.

Further, rail in-connection piece includes top cap and open-top's casing, the top cap sets up on the opening of casing, top cap bottom both sides are provided with a plurality of joints and detain, the lateral wall of casing is provided with a plurality of joint holes, the joint is detained and is arranged in the joint is downthehole.

Further, the top of the fixed connecting part is hinged with the bottom of the connecting block in the rail.

Further, fixed connection portion's top both sides are provided with rotates the post, the bottom of rail in-connection piece is provided with the holding hole, the both sides in holding hole are provided with rotates the groove, fixed connection portion arranges in the holding is downthehole, it sets up to rotate the post rotate the inslot, the width in holding hole is greater than fixed connection portion's width.

Further, fixed connection portion includes that two settings are in the connecting hole of electric connection terminal both sides, the connecting hole runs through the top of rail in-connection piece, be provided with the connecting screw in the connecting hole, the connecting screw is used for the nut fixed connection with the information tablet.

Further, the electric connection terminal is a USB terminal or the rail electric connection structure further includes a rail.

The utility model provides an information tablet display device, including track electricity connection structure, track and information tablet, track electricity connection structure does the utility model provides an arbitrary one track electricity connection structure, track electricity connection structure's rail in-connection splice is arranged in just be connected with the track electricity in the track, track electricity connection structure's equipment connecting piece with information tablet fixed connection and electricity are connected.

Be different from prior art, above-mentioned technical scheme passes through joint spare and track joint, can realize the joint of optional position, through leading the electric end, can draw orbital electricity to electric connection terminal to realize information tablet or other electronic equipment's power supply. Can stretch out and draw back the joint spare fast through the moving part to the realization is quick with joint spare and track separation, thereby can accomplish in the rail connecting block and orbital installation and separation fast, it is more convenient to use. Through the bottom fixed connection portion can with information tablet fixed connection, can realize the hoist and mount show of information tablet to and can realize the show of two-sided show tablet.

Drawings

Fig. 1 is a schematic structural view of the track connecting block, the track and the information board in the embodiment of the present invention when they are separated;

fig. 2 is a schematic structural view of the track connecting block, the track and the information board according to the embodiment of the present disclosure when they are connected to each other;

fig. 3 is a schematic view of an internal structure of a movable member in a rail connection block according to an embodiment of the present disclosure when the movable member is not moved;

fig. 4 is a schematic view of an internal structure of the movable member in the rail connection block according to the embodiment of the present disclosure after moving;

fig. 5 is a schematic perspective view of the movable member and the clip member according to the embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a top cover and a housing of a connecting block in a rail according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of the fixing connection portion not installed in the housing according to the embodiment of the present disclosure;

fig. 8 is a schematic view of the bottom structure of the fixed connection portion after being mounted to the housing according to the embodiment of the present disclosure;

fig. 9 is a schematic diagram of a longitudinal section structure when the track connecting block, the track and the information board are connected with each other according to the embodiment of the present disclosure.

Description of reference numerals:

1. a track electrical connection structure;

10. an in-rail connection block;

11. a clamping piece;

110. a clamping head;

12. a movable member;

13. an equipment connection;

14. a conductive terminal;

2. a track;

20. a card slot;

21. a conductive strip;

130. an electrical connection terminal;

131. a fixed connection part;

3. an information board;

30. a power interface;

15. a tilt slide mechanism;

150. an oblique groove;

151. a sliding post;

120. a pressing plate;

121. a top plate;

16. a reset mechanism;

17. a top cover;

18. a housing;

170. a clamping buckle;

180. a clamping hole;

1310. rotating the column;

1311. a housing hole;

1312. a rotating groove;

1314. connecting holes;

1315. a connecting screw;

1316. a nut;

1317. an annular projection;

22. an end cap;

23. fixing a column;

24. and fixing the grooves.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended to describe specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.

Without further limitation, in this application, the use of the phrases "comprising," "including," "having," or other similar expressions, is intended to cover a non-exclusive inclusion, and these expressions do not exclude the presence of additional elements in a process, method, or article that includes the elements, such that a process, method, or article that includes a list of elements may include not only those elements defined, but other elements not expressly listed, or may include other elements inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. Furthermore, the description of embodiments herein of the present application of the term "plurality" means more than two (including two), and expressions relating to "plurality" similar thereto are also to be understood, such as "plurality", etc., unless explicitly defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are for convenience of description of the specific embodiments of the present application or for ease of understanding by the reader only, and do not indicate or imply that a device or component referred to must have a specific position, a specific orientation, or be configured or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection; it can be mechanical connection, electrical connection, and communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

Referring to fig. 1 to 9, the present embodiment provides a track electrical connection structure 1 convenient to detach, including a track inner connection block 10 which may be a cuboid, a clamping member 11, a movable member 12, an apparatus connection member 13, and a conductive end 14, where the clamping member 11 is disposed on one side surface or two side surfaces of the track inner connection block 10, the clamping member 11 protrudes from the side surface of the track inner connection block 10, and the clamping member 11 is used for clamping an inner side wall of a track 2. The side surfaces here are side surfaces which are in contact with side surfaces in the rail 2, i.e., front and rear side surfaces in the figure. Of course, in order to accommodate the clip 11, the in-rail connecting block 10 accommodates the placement groove of the clip 11, and the placement groove limits the clip 11, so that the clip 11 can only move along the direction protruding or retracting the in-rail connecting block 10. The joint piece 11 can the joint in the draw-in groove 20 of 2 medial surfaces in the track, and the draw-in groove 20 trend of track 2 is along track 2's length direction extension, and the joint piece 11 can be with the draw-in groove 20 joint of optional position like this. The clamping pieces 11 are preferably arranged on two side faces of the connecting block 10 in the rail, and the two side faces are arranged identically, so that clamping installation can be carried out without distinguishing the installation direction. Of course, in some embodiments, the clamping member 11 is only provided on one side surface of the connecting block 10 in the rail, and the other side surface is a plane tightly attached to the inner side surface of the rail 2. The width of the inner side of the rail 2 is slightly wider than the front-rear width of the in-rail coupling block 10 so that the in-rail coupling block 10 is just inside the rail 2. The clamping of the in-rail connecting block 10 in the rail 2 can be realized as long as the clamping piece 11 on at least one side protrudes and is clamped in the clamping groove 20. And, the joint piece 11 of every side is preferred two, and two joint pieces 11 set up the both ends at in-rail connecting block 10 respectively, also can not take place after the joint like this and rock the condition about, and are more firm.

The movable piece 12 is arranged at one end or two ends of the rail inner connecting block 10, the movable piece 12 is connected with the clamping piece 11 inside the rail inner connecting block 10, and the movable piece 12 is driven to move towards the inside of the rail inner connecting block 10 when moving after being stressed. The movable part 12 is used for moving after being subjected to external force (such as the force of a human finger), and then the movable part drives the clamping part 11 to move, so that the clamping part 11 moves towards the inside of the in-rail connecting block 10, and the clamping part 11 can be separated from the clamping groove 20, so that the in-rail connecting block 10 is separated from the rail 2, and the in-rail connecting block 10 is taken down from the rail 2. The moving part 12 sets up the tip of in-rail connecting block 10, is in like this in-rail connecting block 10 card goes into in track 2, moving part 12 also can hide in track 2, and can not stand out in track 2 outside, can't directly see from the outside moving part 12 avoids moving part 12 is touched the back at will and is leaded to in-rail connecting block 10 follows track 2 and drops, also more pleasing to the eye. The number of movable members 12 may then be one or two, and one may be provided at one end of the rail inner joint block 10 and two may be provided at both ends of the rail inner joint block 10. One can drive all the clamping pieces 11 to move through the linkage structure, and the other can drive the clamping pieces 11 at one end to move respectively. Preferably two, so as to be respectively connected and linked with the clamping pieces 11 at the two ends, and the clamping pieces 11 at the two ends are separated from the clamping groove 20.

The equipment connecting piece 13 is arranged at the bottom of the in-rail connecting block 10, so that the information board 3 can be hoisted. The conductive terminal 14 is disposed on the top or side of the in-track connector block 10, as long as it can be electrically connected to the conductive strip 21 in the track 2. The equipment connecting piece 13 comprises an electric connecting terminal 130 and a fixed connecting part 131, wherein the fixed connecting part 131 is used for being fixedly connected with the information board 3, namely, mechanical fixed connection is realized, so that the in-rail connecting block 10 and the information board 3 are connected into a whole. The electrical connection terminal 130 is used to electrically connect with the power interface 30 of the information plate 3, and generally, the electrical connection terminal 130 is inserted into the power interface 30 to electrically connect. The conductive terminal 14 is electrically connected to the electrical connection terminal 130 inside the in-rail connection block 10, and the conductive terminal 14 is used for electrically connecting to the conductive strip 21 inside the track 2. The joint spare protrusion the part of the side of in-rail connecting block is joint head 110, the longitudinal plane of joint head is right trapezoid, the top of joint head is the inclined plane just the inclined plane does right trapezoid hypotenuse position, the bottom surface of joint head is the plane and does right trapezoid right angle limit position, and the card of being convenient for like this drops when also avoiding receiving gravity downwards into.

The utility model discloses when using, at first will equipment connecting piece 13 is connected with information tablet 3, inserts the power source 30 of information tablet 3 with electric connection terminal 130, then will fixed connection portion 131 and information tablet 3 fixed connection. Then, the in-rail connecting block 10 is inserted into the track 2, so that the clamping member 11 is clamped into the clamping groove 20 of the track 2, so that the conductive end 14 is electrically connected with the conductive bar 21 of the track 2, and the electricity of the conductive bar 21 is also conducted to the electrical connecting terminal 130 and then conducted to the information plate 3 through the power interface 30 of the information plate 3. The in-track connector block 10 is thus fixed in the track 2, the information plate 3 is suspended on the track 2, and the electricity on the track 2 can also be supplied to the information plate 3 for use. When the in-rail connecting block 10 and the information board 3 need to be taken down from the rail 2, the movable element 12 is only required to apply force by fingers or other tools, and the movable element 12 is forced to move to drive the clamping piece 11 to be retracted into the in-rail connecting block 10, so that the clamping piece 11 can be separated from the clamping groove 20, and the in-rail connecting block 10 and the information board 3 can be taken out from the rail 2. The fixed connection 131 is then released from the information plate 3, thereby enabling the information plate 3 to be detached from the in-rail connection block 10. The information plate 3 can then also be used as a separate electronic device.

The utility model discloses an information tablet 3 is only as the description of connecting terminal equipment to do not regard as the restriction to electric connection structure, the utility model discloses an electric connection structure is an solitary structure, can provide fixed connection and electricity for outside equipment setting and connect. The information board 3 may be other electronic devices that need power supply and fixed connection, such as image pickup devices, network devices, wind power devices, solar energy devices, lighting devices, and other electric devices. Moreover, the information plate 3 can be realized in various ways, for example, the information plate 3 can be a plane printed matter and an electric light source, and the electric light source illuminates the plane printed matter to realize information display. Through the utility model discloses a fixed connection of mains operated and information tablet 3 also can be realized to conducting strip 21 and electric connection terminal 130. In a preferred embodiment, the information board 3 is an electronic display screen, the information board 3 further includes a circuit board (e.g., a PCB), the circuit board is provided with a processor (e.g., a single chip microcomputer) and a power supply unit (e.g., a voltage conversion chip), the electronic display screen (e.g., a liquid crystal display or an OLED screen) is connected to the processor, the power supply unit is connected to the electronic display screen and a power supply end of the processor, and the power supply unit is electrically connected to the power supply interface 30.

Thus, the utility model discloses a joint spare 11 and track 2 joint can realize the joint of optional position, through leading electric terminal 14, can lead track 2's electricity to on electric connection terminal 130 to realize information tablet 3 or other electronic equipment's power supply. Can stretch out and draw back joint piece 11 fast through moving part 12 to the realization is quick with joint piece 11 and the separation of track 2, thereby can accomplish the installation and the separation of in-rail connecting block 10 and track 2 fast, it is more convenient to use. Through the bottom fixed connection portion 131 can with information tablet 3 fixed connection, can realize the hoist and mount show of information tablet 3. The power source interface 30 of the information board 3 can be arranged on the side wall of the information board 3, so that the fixing and the electric connection are all on the edge, the front or back space is not occupied, the double-sided display screen can be used at the moment, namely, the front and the back of the information board 3 are both electronic screens, and the display of the double-sided display board is realized.

In the above embodiment, the number of the conductive strips 21 is generally two, so as to supply the positive and negative power, and in some embodiments, the number may be more, such as three, where one inside is a single-bus communication line, the two outside are power lines, and may also be four, where the inside is a two-wire communication line (such as 485 bus), and the two outside are power lines. Of course, these conductive strips 21 are preferably symmetrical in the center, so that the mounting in the rail connector block 10 can be performed without distinguishing the mounting direction. The number of conductive strips 21 should be the same as the number of conductive tips 14 so that each conductive tip 14 can be individually electrically connected to a conductive strip 21. The conductive strips 21 can be connected to a power supply, which can be dc or ac, and can provide the voltage according to the actual needs, for example, the voltage required by the processor inside the information plate 3 can be provided directly. At this time, since the power supply connected to the bus bar 21 is the same as the power supply voltage and polarity required by the processor in the information plate 3, the connection can be made directly by a wire. If the voltage of the bus bar 21 is different from the voltage of the power interface 30 of the information plate 3, a voltage conversion unit may be provided in the in-track connection block 10 to convert the voltage of the bus bar 21 into the voltage of the power interface 30 of the information plate 3. If the voltage of the conductive bar 21 is the same as that of the power interface 30 of the information plate 3 but the polarity of the conductive bar cannot be determined, rectification can be performed through a rectification module (such as a rectification bridge), the rectification module can convert the direct current with uncertain positive and negative poles on the conductive bar 21 into voltage with confirmed positive and negative poles, then the output positive pole of the rectification module is connected with the positive pole of the electric connection terminal 130, and the output negative pole of the rectification module is connected with the negative pole of the electric connection terminal 130, so that power supply for the information plate 3 is realized. The power supply unit (such as a DC-DC voltage conversion unit, an LDO linear regulator unit, etc.) in the information board 3 performs voltage conversion and voltage regulation again, and provides a suitable voltage to the processor and the electronic display screen in the information board 3, and the processor is used for sending information (including text information, picture information, video information, etc.) to be displayed to the electronic display screen for display and display. Through the electronic display screen and the processor, the transformation display of various information can be realized, and the richness of information display is improved.

In the present invention, the force applied to the movable member 12 can be various forces, and the corresponding structures of the different forces are also different. This can be a rotational force, a pulling force or a pressing force. If the movable member 12 can be a cylindrical member or a threaded member, the cylindrical member can be movably connected to the in-rail connecting block 10, and the cylindrical member can rotate around the central axis after receiving a rotational force, and at this time, the side wall of the cylindrical member moves back and forth to connect the cylindrical member with the engaging member 11 (e.g., by connecting a rope or hinging a connecting rod), so as to drive the engaging member 11 to move; the screw thread post can with in-rail connecting block 10 threaded connection, and cylindrical member can rotate around the central axis after receiving the turning force, and the screw thread post also can be followed the flexible removal of axis direction, is connected it with joint spare 11, just can be used for driving joint spare 11 activities. Pulling force is the same with pressure, through pulling or pressure moving part 12, can make moving part 12 remove along pulling force or pressure direction, is connected it with joint spare 11, just can be used for driving joint spare 11 activity. Preferably, the movable member 12 is forced to move and then moves toward the inside of the rail inner connecting block 10. The pressing mode can lead the device to bear larger pressure, and can increase the friction force between the finger and the movable piece 12, thereby being convenient for more stably taking off the in-rail connecting block 10 and the attached information plate 3 from the rail 2.

As mentioned in the above embodiments, the movable member 12 only needs to drive the engaging member 11 to move. The linkage and the transmission of motion can be performed by a linkage. As a specific embodiment, an inclined sliding mechanism 15 is disposed between the movable element 12 and the clamping element 11, the inclined sliding mechanism 15 includes an inclined groove 150 and a sliding column 151, the sliding column 151 is disposed in the inclined groove 150, and the sliding column 151 drives the clamping element 11 to move towards the inside of the in-rail connecting block 10 when sliding in the inclined groove 150. The utility model discloses it is in not injecing the installation of slant groove 150 and slip post 151 moving part 12 still be in on the joint spare 11, can be that slant groove 150 is installed moving part 12 and slip post 151 are installed on the joint spare 11, perhaps can be that slant groove 150 is installed joint spare 11 and slip post 151 are installed on the moving part 12. As shown, an angled slot 150 is mounted on the moveable member 12. When the engaging member 11 protrudes out of the side of the rail inner connecting block 10, the sliding column 151 of the engaging member 11 is disposed at the outermost side of the inclined groove 150, and when the movable member 12 is pressed to move toward the inside of the rail inner connecting block 10, the inclined groove 150 moves along with the movable member. The engaging member 11 is then restrained and can move only along the inside of the connecting block 10 retracted into the rail, and finally moves to the position where the sliding column 151 is located at the innermost side of the inclined groove 150. Thereby realizing that the pressing movable part 12 drives the clamping part 11 to retract into the connecting block 10 in the rail.

In the specific implementation details of the clip 11 and the movable member 12, as shown in the figure, the top surface of the placing groove in the rail inner connecting block 10 for placing the clip 11 and the side surface of the rail inner connecting block 10 are openings, the opening on the top surface is used for placing the clip 11, and the opening on the side surface of the rail inner connecting block 10 is used for the clip 11 to protrude out of the side surface of the rail inner connecting block 10. The side walls of the bottom and other sides are used for limiting the position of the clamping piece 11 and avoiding moving to other positions. Then the top of the moving part 12 has the top surface of the moving part 12 to cover the moving part 12, and the moving part 12 is wholly covered inside by the in-rail connecting block 10, so that the moving part 12 can be prevented from being separated from the top surface of the in-rail connecting block 10, and the clamping part 11 is also prevented from being separated from the top surface. The movable member 12 is of an "Jiong" type structure, and the inside of the movable member 12 is used for placing the snap-in member 11 and allowing the snap-in member 11 to move inside the movable member 12. The top of the movable member 12 is provided with an inclined groove 150, and the inclined groove 150 drives the sliding column 151 to move. The outer side of the two sides of the movable element 12 is provided with a pressing plate 120, the pressing plate 120 is used for pressing by fingers, the other side of the movable element is provided with a top plate 121, and the top plate 121 can be used for being pressed by a spring to reset. Preferably, when the clamping member 11 protrudes out of the rail inner connecting block 10, that is, the movable member 12 is located at the outermost side inside the rail inner connecting block 10, the pressing plate 120 and the side surface of the rail inner connecting block 10 are located on the same plane, as shown in the figure, so that the rail inner connecting block is not touched by mistake and is relatively beautiful. The specific structure of joint spare 11 can refer to the figure, wholly is an L type structure, and joint head 110 of joint spare 11's the protrusion rail in connecting block 10 is less, and then it is great to be in the inside bottom of rail in connecting block 10, and the standing groove side opening of placing joint spare 11 slightly is greater than the joint head, and the joint head can be outside protrusion rail in connecting block 10 like this, and the bottom of joint spare 11 is blocked to avoid joint spare 11 to drop away from the side opening.

In the present invention, the joint 110 is designed to be inserted into the slot 20 to connect with the slot 20. The shape of the snap joint can be various, such as a square body, namely a convex square block. Or in order to facilitate the snap-in of the snap-in head 110 into the track 2, as shown in fig. 1, the top surface of the snap-in head 110 may be made into an inclined surface (or an arc surface), and the inclined surface extends downward and outward, and when the snap-in head 110 is snapped into the track 2, the inclined surface may form a lateral force with the inner wall of the track 2 to help the snap-in head 110 to retract inward, so as to facilitate the snap-in head 110 to be snapped into the track 2. The bottom surface of the clamping head 110 can be a horizontal surface, or a side surface perpendicular to a connecting block in a rail, so that when the clamping groove 20 is clamped in, even if a large downward pulling force is applied, a transverse force cannot be formed, the clamping piece 11 is prevented from contracting, and the clamping piece 11 is prevented from contracting from the clamping groove. Of course, the side of the lower portion of the slot 20 also needs to be horizontal or perpendicular to the side of the rail to avoid lateral forces when subjected to large downward pulling forces. The particular longitudinal cross-sectional shape may be a right trapezoid as in fig. 1, or may be a right triangle in some embodiments.

When joint spare 11 blocks draw-in groove 20 in the track, in order to keep the state that joint spare 11 blocked, the utility model discloses still include canceling release mechanical system 16, canceling release mechanical system 16 sets up in the track inside connecting block 10 and with joint spare 11 perhaps moving part 12 is connected, canceling release mechanical system 16 is used for driving through self restoring force joint spare 11 toward the protrusion the side motion of in the track connecting block 10 can be spring or shell fragment etc.. Since the engaging member 11 or the movable member 12 is linked, the reset mechanism 16 only needs to apply a certain force to the engaging member 11 or the movable member 12. As shown in the figure, the reset mechanism 16 is connected to the moving member 12 and disposed between the moving member 12 and the inner wall of the in-rail connecting block 10, the reset mechanism 16 ejects the moving member 12 out of the in-rail connecting block 10, and then the moving member 12 drives the engaging member 11 to move out of the in-rail connecting block 10, so as to keep the engaging member 11 protruding out of the in-rail connecting block 10, i.e., keep the engaging member 11 in a state of engaging the engaging groove 20. Of course, the reset mechanism 16 can also be directly disposed between the two clips 11 at one end of the in-rail connecting block 10, so that the reset mechanism 16 directly abuts against the clips 11 to move toward the outside of the in-rail connecting block 10, and keeps the state that the clips 11 are clamped. The reset mechanism 16 is used to maintain the locked state, and in some embodiments, the reset mechanism 16 may not be used when the engaging member 11 is not easily moved by an external force. If the force applied to the movable member 12 is a rotational force, and the movable member 12 is a threaded column member, the forward force generated by the threads during the rotation is relatively large, so that the state that the clamping member 11 protrudes out of the rail inner connecting block 10 can be maintained, and the return mechanism 16 is not needed. When the in-rail connecting block 10 needs to be installed in the rail 2, the threaded column is rotated by hand, so that the threaded column retracts, and the clamping piece 11 is driven to retract into the in-rail connecting block 10. The in-rail connector block 10 is then installed into the rail 2. And then the threaded column is rotated, so that the threaded column retreats, and the clamping piece 11 is driven to protrude out of the connecting block 10 in the rail. So that the snap-in member 11 is snapped into the snap-in groove 20 of the rail 2, thereby completing the mounting operation of the in-rail connection block 10 to the rail 2. If the in-track connector block 10 needs to be removed from the track 2, the reverse operation is only required.

The present invention does not limit the specific structure of the connecting block 10 in the rail, and can be an integrated forming with openings at both ends and the inside of each component. Or it may be made as a half-split housing 18, and after the above components are placed inside, the two housings 18 are fastened together by means of screws, adhesive or fasteners 170. In some embodiments, for convenience of processing and assembly, the in-rail connecting block 10 includes a top cover 17 and a housing 18 with an open top, the top cover 17 is disposed on the opening of the housing 18, a plurality of clamping buckles 170 are disposed on two sides of the bottom of the top cover 17, a plurality of clamping holes 180 are disposed on the side wall of the housing 18, and the clamping buckles 170 are disposed in the clamping holes 180. The inside both ends of in-rail connecting block 10 still are provided with the opening of holding moving part 12, and the casing 18 lateral wall of in-rail connecting block 10 is provided with the standing groove that is used for the opening that joint piece 11 stretches out and holding joint piece 11. The inside of in-rail connecting block 10 still is provided with the structure of fixed equipment connecting piece 13, and top cap 17 is provided with the opening that stretches out electrically conductive end 14, installs joint spare 11, moving part 12, equipment connecting piece 13 and electrically conductive end 14 in-rail connecting block 10 after, covers top cap 17, has just accomplished the assembly of in-rail connecting block 10. Thus, the utility model discloses a rail in connecting block 10 is inside need not to adopt the screw to fix, has made things convenient for the installation of whole mechanism.

The utility model discloses a rail in-connection piece 10 can be used for the hoist and mount of information tablet 3, realizes the hoist and mount show. Because information tablet 3 is great, the condition of rocking around the inevitable production, these little rocking can be transmitted for rail in-connection piece 10 through equipment connector 13, after rail in-connection piece 10 will rock with track 2 between production, this rock and can lead to the friction between joint piece 11 and the draw-in groove 20, cause 11 front end wearing and tearing of joint piece, just can cause the not firm condition of joint after a long time, make joint piece 11 deviate from draw-in groove 20 easily, the condition that rail in-connection piece 10 and information tablet 3 dropped from track 2 can cause. In order to solve the problem, the top of the fixing connection portion 131 is hinged to the bottom of the rail inner connection block 10. Through articulated, make between fixed connection portion 131 and the in-rail link block 10 mutual rotation, rock the rotation that can convert to between fixed connection portion 131 and the in-rail link block 10 around information tablet 3 like this, rock and just can not transmit between rail in-rail link block 10 and the track 2, thereby avoided the frictional wear between joint spare 11 of in-rail link block 10 and the draw-in groove 20 of track 2, avoid the condition that in-rail link block 10 and information tablet 3 dropped from track 2.

When concrete realization is articulated, can articulate fixed connection portion 131 through an articulated elements and in-rail connecting block 10 bottom, the axis direction of articulated department is the same with track 2's length direction, and the display screen plane place direction of information tablet 3 is also the same with track 2's length direction, can avoid rocking the transmission to in-rail connecting block 10 department around information tablet 3 like this. In other embodiments, the hinge structure may be provided directly on the fixing connection part 131 and the in-rail connection block 10. Specifically, as shown in the figure, rotation columns 1310 are disposed on two sides of the top of the fixed connection part 131, a receiving hole 1311 is disposed on the bottom of the in-rail connection block 10, rotation grooves 1312 are disposed on two sides of the receiving hole 1311, the fixed connection part 131 is disposed in the receiving hole 1311, the rotation columns 1310 are disposed in the rotation grooves 1312, and the width of the receiving hole 1311 is greater than that of the fixed connection part 131. In particular, the top cover 17 of the in-rail connecting block 10 can be covered on the fixed connecting portion 131 to prevent the rotating column 1310 from being separated from the rotating groove 1312. When the rotation column 1310 is disposed in the rotation groove 1312, the rotation column 1310 may rotate in the rotation groove 1312 such that the fixed link 131 may rotate in the receiving hole 1311. Since the width of the receiving hole 1311 is greater than that of the fixing link 131, as shown in the drawings, there is a space for the fixing link 131 to rotate forward and backward when rotating. Therefore, by arranging the rotating column 1310 and the rotating groove 1312, additional hinge parts are not needed, the number of parts is saved, and the production and processing efficiency is improved.

The utility model discloses in, fixed connection portion 131 play with information tablet 3 fixed connection effect, as long as can be with information tablet 3 be linked into a whole can. The connecting strength can be improved by means of pasting or connecting by connecting pieces, preferably by adopting the connecting pieces for connection. The connecting piece can be a fastener hole connecting piece, a sliding groove sliding block connecting piece or a screw hole connecting piece. In buckle card hole connecting piece, if top cap 17 in the connecting piece in the rail and the joint of shell detain 170, joint hole 180 structure, can set up the card hole on information tablet 3, then set up the buckle in fixed connection portion 131 bottom, it can in the card hole to block the buckle card. In the sliding groove and sliding block connecting piece, an inverted trapezoidal sliding groove can be arranged on the side wall of the information board 3, an inverted trapezoidal sliding block is arranged at the bottom of the fixed connecting part 131, and the fixed connecting part 131 and the information board 3 can be fixedly connected by sliding the sliding block into the sliding groove. In screw hole connecting piece, can set up a screw at the 3 lateral walls of information tablet, fixed connection portion 131 sets up a screw, then with the screw revolve to the screw in can.

In order to further improve joint strength, fixed connection portion 131 includes that two settings are in the connecting hole 1314 of electric connection terminal 130 both sides, connecting hole 1314 runs through the top of in-rail connector block 10, be provided with connecting screw 1315 in the connecting hole 1314, connecting screw 1315 be used for with the nut 1316 fixed connection of information tablet 3. Thus, two-point fixation is realized by the two nuts 1316 and the connecting screw 1315, and the fixed connection strength between the information plate 3 and the fixed connection part 131 is improved. Preferably, a connecting screw 1315 and a nut 1316 are disposed on two sides of the power interface 30, so as to ensure that the power interface 30 is not moved inside, and ensure the electrical connection performance. The utility model discloses when actually implementing, nut 1316 is pre-buried on the lateral wall of information tablet 3, and power source 30's both sides respectively are provided with a nut 1316. The utility model discloses do not restrict which lateral wall of information tablet 3 on be provided with power source 30 and nut 1316, can be one of them lateral wall, or respectively be provided with a power source 30 and nut 1316 on can two adjacent lateral walls, can realize information tablet 3's horizontal hoist and mount or vertical hoist and mount like this. The connecting screw 1315 generally includes a stud and a screw head, the diameter of the screw head is larger than that of the stud, the stud is used for connecting with the nut 1316, and the screw head is used for clamping the bottom of the connecting hole 1314 to realize the fixed connection between the connecting hole 1314 and the nut 1316, so that the fixed connection between the information plate 3 and the in-rail connecting block 10 is realized. To allow the screw head to engage the bottom of the coupling bore 1314, the diameter of the bottom of the coupling bore 1314 is greater than the diameter of the threaded stud and less than the diameter of the screw head. The middle of the connecting hole 1314 can be of equal diameter, which is slightly larger than the diameter of the screw head, so that the connecting screw 1315 can directly pass through the connecting hole 1314, and when the connecting screw 1315 passes through the connecting hole 1314, the connecting screw can be connected with the nut 1316 of the information plate 3. When the fixing is not required, the screw can be removed from the coupling hole 1314. In some embodiments, in order to avoid the loss of the screw and facilitate the connection at any time, the screw may be pre-disposed in the connection hole 1314, and then a ring-shaped protrusion 1317 protruding toward the center is disposed above the connection screw 1315, the diameter of the connection hole 1314 at the position of the ring-shaped protrusion 1317 is slightly smaller than that of the screw head, so that the connection screw 1315 does not fall out of the connection hole 1314 when being inside the connection hole 1314, and the connection is facilitated at any time. At this time, for convenience of manufacturing, the fixing connection portion 131 may be formed in two half-sheets, that is, the fixing connection portion 131 may be cut into two parts from the middle, the cut surface is located on the axis of the two connection holes 1314, and then during assembling, the two connection screws 1315 are first placed on the cut connection holes 1314, and then the two parts of the fixing connection portion 131 are closed. Two parts need fixed connection when closing, can adopt the screw to connect, perhaps adopt cylinder and round hole to connect, and a part sets up the cylinder, and another part sets up the round hole, and the diameter of round hole slightly is less than the cylinder, impresses the cylinder in the round hole when closing, because the diameter of round hole slightly is less than the cylinder, then the round hole can be strutted, and the cylinder can receive the frictional force of round hole and realize fixing, avoids deviating from to realize the fixed of two parts of fixed connection portion 131. The cut surface will also pass through the rotating post 1310, and the rotating post 1310 will be disposed in the rotating groove 1312, and the rotating groove 1312 will also limit the rotating post 1310, thereby preventing the two parts of the fixed connection 131 from being separated and achieving the function of auxiliary fixing.

The utility model discloses do not restrict electric connection terminal 130 embodiment, as long as can realize being connected with the electricity of information tablet 3 can, if can adopt the flexible coupling head to be connected to on the power source 30 of information tablet 3. Preferably, when the electrical connection terminal 130 is connected, the relative position required for the fixed connection between the fixed connection portion 131 and the information plate 3 is also achieved, that is, the fixed connection portion 131 is moved to the position where the information plate 3 needs to be fixedly connected later, and then the fixed connection can be completed by screwing the connection screw 1315. Preferably, the electrical connection terminals 130 are in-line connection terminals that can be directly plugged into the power interface 30 of the information card 3. Preferably, the electrical connection terminal 130 is a USB terminal, such as a USB-a plug, a USB-B plug, a MINI-USB plug, or a TYPE-C plug. Then can set up corresponding power source 30 on information tablet 3, information tablet 3 can compatible normal USB interface information communication and charge like this, also can be used for the utility model discloses a track electricity connection structure 1. Since the USB interface has polarity difference, a rectifying terminal may be disposed in the fixing connection portion 131, and the conductive terminal 14 of the rail inner connection block 10 is connected to the electrical connection terminal 130 after passing through the rectifying terminal, so that it is not necessary to distinguish the installation direction of the rail inner connection block 10.

In all the above embodiments, the specific implementation form of the conductive ends 14 may be a conductive column or a conductive elastic sheet, and the number of the conductive ends 14 is the same as the number of the conductive strips 21 on the track 2. When the in-track connecting block 10 is clamped into the track 2, the conductive column or the conductive elastic sheet should form an elastic tight connection with the conductive bar 21, that is, the conductive column or the conductive elastic sheet should have a certain elastic force to abut against the conductive bar 21, and a spring may be disposed inside the conductive column to achieve an outward elastic force of the conductive column. This allows the conductive end 14 to be electrically connected to the conductive strip 21 even if there is a mechanical assembly error. When the conductive end 14 is disposed, it can be preferably fixed directly on the rail connecting block 10, and then connected to the electrical connection terminal 130 by a wire or a flexible connection of a spring, so that when the fixed connecting portion 131 is hinged and can rotate, the conductive end 14 will not affect the rotation of the fixed connecting portion 131, and the rotation of the fixed connecting portion 131 will not affect the connection between the conductive end 14 and the conductive strip 21. Preferably, the conductive terminal 14 is located at the middle position of the connection block 10 in the rail, so as to have better connection performance. When the in-rail connecting block 10 is the embodiment of the top cover 17 and the casing 18, the inner side wall of the casing 18 is provided with the conductive end 14, the conductive end 14 extends out of the in-rail connecting block 10, the conductive through hole 171 is formed in the top cover 17, the conductive end 14 and the side wall of the casing 18 are installed firstly during assembly, the conductive end 14 penetrates through the conductive through hole of the top cover 17 during installation of the top cover 17, and the clamping buckle 170 of the top cover 17 is clamped into the clamping hole 180 of the casing 18, so that the assembly is completed. Preferably, two conductive ends 14 are respectively arranged on two side walls in the housing 18, the bottom of the conductive end 14 is a V-shaped spring structure, two sides of the conductive end respectively abut against the arc top of the side wall of the housing 18 and the fixed connection portion 131, the axis of the arc top of the fixed connection portion 131 is the same as that of the rotation column 1310, two conductive contact pieces are respectively arranged at the bottom of the conductive end 14 at the arc top, the two conductive contact pieces are not electrically connected, the material of the preferred fixed connection portion is plastic at this time, of course, the housing and the top cover can also be plastic, the cost is low, and short circuit is avoided. Every electrically conductive contact piece is connected with an electrically conductive end 14, and electrically conductive contact piece is connected with rectifier module or electric connection terminal 130 again, the surface of electrically conductive contact piece be with the same cambered surface in arc top, and at same cambered surface, realize through electrically conductive contact piece with the electricity of electrically conductive end 14 bottom and be connected, then when fixed connection portion 131 rotates around rotating post 1310, fixed connection portion 131 arc top can keep with the electricity of electrically conductive end 14 bottom to be connected, can not influence the rotation of fixed connection portion 131 again, and need not to adopt the wire to connect, it is more convenient to assemble.

The utility model discloses when selling as a product, can provide the track in the lump and sell, track electric connection structure 1 still includes track 2 promptly. The track can extrusion molding or metal forming's track 2, and when the track was the metal track, in order to avoid the short circuit of conducting strip, the conducting strip can set up on the insulating board earlier, sets up the insulating board in the track again. The track can be the track 2 of a rectangular shape, and track 2's inside is the space that is used for holding in-rail connecting block, and this space can be the cuboid type, and then in-rail connecting block also can be the cuboid type, and the size of in-rail connecting block slightly is less than the space in the track to in-rail connecting block places the track. The length direction of the clamping groove in the rail is the same as that of the rail, and the clamping groove is arranged along the inner side of the whole rail. The top of track 2 can set up the screw groove that is used for the hoist and mount, can put into and carry out whole orbital installation that hangs behind the screw. The ends of the track may include end caps 22. The utility model discloses a rail in-connection piece 10 can be in fact the track in the horizontal slip, realizes the fixed of optional position, can keep the state of electricity connection in addition when gliding, does not influence the use. At this time, the end cap 22 can prevent the in-rail connecting block 10 from sliding out from the two ends of the rail 2, and also can protect the conductive strips 21 at the two ends from being touched randomly, thereby avoiding a short circuit condition. The end cover 22 and the rail can be fixed through the fixing column 23, the fixing groove 24 is formed above the clamping groove 20 of the rail, the diameter of the fixing column 23 is slightly larger than the groove width of the fixing groove 24, and therefore after the fixing column 23 is pressed into the fixing groove 24, pressure and friction force are formed between the fixing column 23 and the fixing groove 24, the end cover 22 can be prevented from falling off, and the end cover 22 and the rail can be fixed. Preferably, the cross-sectional shape of the end cap 22 is the same as the cross-sectional shape of the rail, so that full coverage of the end of the rail 2 is achieved, while the appearance is more attractive.

The utility model provides an information tablet 3 display device, as shown in fig. 1 and 2, including track electricity connection structure 1, track 2 and information tablet 3, track electricity connection structure 1 does the utility model discloses the arbitrary one of the embodiment track electricity connection structure 1, track electricity connection structure 1's in-rail connecting block 10 is arranged in just be connected with the track electricity in the track, track electricity connection structure 1's equipment connecting piece 13 with 3 fixed connection of information tablet and electricity are connected. The utility model discloses an among the 3 display device of information tablet, through joint spare 11 and track joint, can realize the joint of optional position, through leading electrical terminal 14, can draw orbital electricity to on the electrical connection terminal 130 to realize the power supply of information tablet 3. Can stretch out and draw back joint piece 11 fast through moving part 12 to the realization is quick with joint piece 11 and track separation, thereby can accomplish in the rail connecting block 10 and orbital installation and separation fast, it is more convenient to use. Through the bottom fixed connection portion 131 can with 3 fixed connection of information tablet, can realize the hoist and mount show of information tablet 3 to and can realize the show of two-sided show tablet.

The information plate 3 display device of the embodiment may further comprise end caps 22, and the end caps 22 are arranged at two ends of the track. At this time, the end cap 22 can prevent the connecting block 10 in the rail from sliding out from the two ends of the rail 2, and can also protect the conductive bars 21 at the two ends from being touched randomly, thereby avoiding a short circuit situation. The end cover 22 and the rail can be fixed by screwing through a screw or fixing through the fixing column 23, then the fixing groove 24 is arranged above the clamping groove 20 of the rail, the diameter of the fixing column 23 is slightly larger than the groove width of the fixing groove 24, and after the fixing column 23 is pressed into the fixing groove 24, pressure and friction force are formed between the fixing column 23 and the fixing groove 24, so that the end cover 22 can be prevented from falling off, and the end cover 22 and the rail can be fixed. Preferably, the cross-sectional shape of the end cap 22 is the same as the cross-sectional shape of the rail, so that full coverage of the end of the rail 2 is achieved, while the appearance is more attractive.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, changes and modifications made to the embodiments described herein, or equivalent structures or equivalent flow changes made by using the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims (10)

1. The utility model provides a track electric connection structure convenient to dismantle which characterized in that: the connecting piece in the rail comprises a cuboid rail connecting block, a clamping piece, a moving piece, an equipment connecting piece and a conductive end, wherein the clamping piece is arranged on one side face or two side faces of the rail connecting block, the clamping piece protrudes out of the side face of the rail connecting block, the clamping piece is used for clamping the inner side wall of a rail, the moving piece is arranged on one end portion or two end portions of the rail connecting block, the moving piece is arranged inside the rail connecting block and connected with the clamping piece, the moving piece drives the clamping piece to move inside the rail connecting block when moving after being stressed, the equipment connecting piece is arranged at the bottom of the rail connecting block, the conductive end is arranged on the top or the side face of the rail connecting block, the equipment connecting piece comprises an electric connecting terminal and a fixed connecting part, the fixed connecting part is used for being fixedly connected with an information board, and the electric connecting terminal is used for being electrically connected with a power interface of the information board, the conductive end is electrically connected with the electric connection terminal in the rail inner connecting block and is used for being electrically connected with the conductive strip in the rail;

the part of the clamping piece protruding the side of the connecting block in the rail is a clamping head, the longitudinal section of the clamping head is a right trapezoid, the top of the clamping head is an inclined plane, and the inclined plane is the position of the inclined side of the right trapezoid.

2. A track electrical connection structure for facilitating disassembly as claimed in claim 1, wherein: the movable piece moves towards the inside of the connecting block in the rail under pressure when moving after being stressed.

3. A track electrical connection structure convenient to disassemble as claimed in claim 2, wherein: the moving part with be provided with the slope slide mechanism between the joint spare, the slope slide mechanism includes slant groove and slip post, the slip post is arranged in the slant inslot, the slip post is in drive when the slant inslot slides the joint spare to rail in-connection piece inside removes.

4. A rail electric connection structure convenient to detach as set forth in any one of claims 1 to 3, wherein: including canceling release mechanical system, canceling release mechanical system sets up the inside of rail in-connection piece and with the joint piece perhaps the moving part is connected, canceling release mechanical system is used for driving through the restoring force of self the joint piece is toward the protrusion the side motion of rail in-connection piece.

5. A track electrical connection structure convenient for disassembly as claimed in claim 1, wherein: the rail in-connection piece includes top cap and open-top's casing, the top cap sets up on the opening of casing, top cap bottom both sides are provided with a plurality of joints and detain, the lateral wall of casing is provided with a plurality of joint holes, the joint is detained and is arranged in the joint is downthehole.

6. A track electrical connection structure for facilitating disassembly as claimed in claim 1, wherein: the top of the fixed connecting part is hinged with the bottom of the connecting block in the rail.

7. A track electrical connection structure for facilitating disassembly as claimed in claim 6, wherein: fixed connection portion's top both sides are provided with rotates the post, the bottom of rail in-connection piece is provided with the holding hole, the both sides in holding hole are provided with rotates the groove, fixed connection portion arranges in the holding is downthehole, it sets up to rotate the post rotate the inslot, the width in holding hole is greater than fixed connection portion's width.

8. A track electrical connection structure for facilitating disassembly as claimed in claim 1, wherein: the fixed connection part comprises two connecting holes arranged on two sides of the electric connection terminal, the connecting holes penetrate through the tops of the connecting blocks in the rails, connecting screws are arranged in the connecting holes, and the connecting screws are used for being fixedly connected with nuts of the information board.

9. A track electrical connection structure for facilitating disassembly as claimed in claim 1, wherein: the electric connecting terminal is a USB terminal or the track electric connecting structure further comprises a track.

10. The utility model provides an information card display device which characterized in that: the rail electric connection structure comprises a rail electric connection structure, a rail and an information board, wherein the rail electric connection structure is as defined in any one of claims 1 to 9, a rail inner connection block of the rail electric connection structure is arranged in the rail and is electrically connected with the rail, and an equipment connection piece of the rail electric connection structure is fixedly connected with and electrically connected with the information board.

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