CN217482465U - Clamping device convenient to install and information display board assembly system - Google Patents

Abstract

The utility model relates to a latch device and information display card assembly system convenient to installation, latch device includes: the track is used for being in sliding connection with the information display board; the first clamping piece is arranged on the left outer side wall of the track; the second joint spare, the second joint spare sets up on orbital right side lateral wall, first joint spare with second joint spare looks adaptation is so that two looks joint between the track. Among the above-mentioned technical scheme, first joint spare and second joint spare looks adaptation, the two can realize the function of joint for can be in the same place each other joint between two tracks, and then can form a whole behind a plurality of track joints, information display tablet can slide in the track, so latch device provides a more convenient assembly methods, can reduce the time cost, improves the efficiency of assembly, has promoted user's experience.

Description

Clamping device convenient to install and information display board assembly system

Technical Field

The utility model relates to an electronic information shows technical field, especially relates to a latch device and information display card assembly system convenient to installation.

Background

The information display board can display text information, can be used as a card for past life, an electronic price tag and the like, and is used for sliding the information display board into the track at present so that the information display board and the track form a whole. In the past, for example, the prior art uses bolts to splice a plurality of tracks together, and then installs a card for birth on each track, which is inefficient and takes a lot of time to assemble a large number of information display cards.

SUMMERY OF THE UTILITY MODEL

Therefore, it is desirable to provide a clamping device and an information display board assembling system which are convenient to install, and solve the problems of the background art.

In order to achieve the above object, the present application provides a latch device convenient to mount, including:

the track is used for being in sliding connection with the information display board;

the first clamping piece is arranged on the left outer side wall of the track;

the second joint spare, the second joint spare sets up on orbital right side lateral wall, first joint spare with second joint spare looks adaptation is so that two looks joint between the track.

Further, the first clamping piece is a clamping block or a clamping groove, and the second clamping piece is a clamping block or a clamping groove.

Further, still include the locating part, the locating part includes stiff end and spacing end, the stiff end with for dismantling between the track and be connected, spacing end is used for preventing that the information display card from coming off from the track.

Furthermore, a conducting strip is arranged on the track and used for being connected with a circuit board of the information display board.

To achieve the above objects, the present application further provides an information display board assembling system, comprising:

the clamping device is the clamping device which is convenient to mount and is described in any one embodiment;

the information display board is connected with the rail in a sliding mode.

Further, the information display board comprises a shell and a sliding block, the sliding block is arranged on the left outer side wall and the right outer side wall of the shell, and the shell is connected with the track in a sliding mode through the sliding block.

Furthermore, the sliding block comprises a fixed sliding block and a movable sliding block, one end of the movable sliding block is arranged at one end of the elastic piece, the other end of the elastic piece is arranged on the inner wall of the shell, the movable sliding block extends out of the outer wall of the left side of the shell, and the other end of the movable sliding block is used for being connected with the track in a sliding mode; one end of the fixed sliding block is arranged on the outer wall of the right side of the shell, and the other end of the fixed sliding block is used for being connected with the track in a sliding mode.

Further, the slider still includes guide structure, guide structure sets up in the shell, guide structure is used for guiding the activity slider removes.

Furthermore, the number of the information display cards is multiple, the multiple information display cards are arranged along the length direction of the track, and the length direction of the track is perpendicular to the direction from the left outer side wall of the track to the right outer side wall of the track; and/or:

the track is a plurality of, a plurality of the track along orbital width direction sets up, and adjacent two pass through between the track first joint spare with second joint spare looks joint, orbital width direction is on a parallel with orbital left side lateral wall orientation the direction of orbital right side lateral wall.

Further, the information display card is a card for business.

Be different from prior art, first joint spare and second joint spare looks adaptation, the function of joint can be realized to the two for can joint each other between two tracks together, and then can form a whole behind a plurality of track joints, information display card can slide in the track, so the latch device provides a more convenient assembly methods, can reduce time cost, improves the efficiency of assembly, has promoted user's experience.

Drawings

FIG. 1 is a schematic structural diagram of an information display board assembling system according to the present embodiment;

FIG. 2 is an exploded view of the information display card assembling system of the present embodiment;

FIG. 3 is a second exploded view of the information display board system of the present embodiment;

fig. 4 is a schematic structural view of the light bar and the slider in the present embodiment;

fig. 5 is a second schematic structural view of the light bar and the slider in the present embodiment;

FIG. 6 is a schematic structural view of a light-transmitting plate in the present embodiment;

fig. 7 is a schematic structural diagram of the power supply contact in the embodiment.

Description of reference numerals:

1. an information display board;

11. a housing; 12. a light bar;

13. a light-transmitting plate; 131. a display screen; 132. a light-shielding layer; 133. a pattern layer;

14. a circuit board; 141. a power supply contact; 142. a conductive sheet;

15. a slider; 151. fixing the sliding block; 152. a movable slide block; 153. an elastic member;

154. a guide structure; 1541. a guide groove; 1542. a guide post;

16. a limiting member; 161. a fixed end; 162. a limiting end; 163. a slot;

2. a track;

21. a first clip member; 22. and a second clamping piece.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Referring to fig. 1 to 7, the present embodiment provides a clamping device convenient for installation, which includes:

the track 2 is used for being connected with the information display board 1 in a sliding mode;

the first clamping piece 21 is arranged on the left outer side wall of the track 2;

second joint spare 22, second joint spare 22 set up on the right lateral wall of track 2, first joint spare 21 and second joint spare 22 looks adaptation so that looks joint between two tracks 2.

The track 2 can be made of plastic, alloy, composite materials and other materials with certain hardness, and has good supporting strength. The track 2 has two inner side walls, and the two inner side walls and the wall between the two inner side walls can form a groove (also called a sliding groove), and the two side walls of the information display board 1 can slide into the two inner side walls (sliding grooves) of the track 2 and slide along the two inner side walls of the track 2. The track 2 can be arranged on a wall or the ground, one or more information display boards 1 can be assembled on the track 2 according to actual requirements, and the track is convenient to disassemble and simple to use.

The information display board 1 has a function of displaying information, for example, a display screen 131 is arranged on the information display board 1, and the display screen 131 receives signals of the circuit board 14 and forms images; for example, the information display board 1 is provided with a light bar 12 and a transparent plate 13, and light emitted from the light bar 12 forms a corresponding screen through the pattern layer 133 of the transparent plate 13. The information display board 1 has a housing 11 for accommodating the internal components, the outer wall of the housing 11 is slidably connected to the rail 2 (especially, a sliding groove), and two outer side walls of the housing 11 can linearly slide back and forth along the rail 2.

Among the above-mentioned technical scheme, first joint spare and second joint spare looks adaptation, the two can realize the function of joint for can joint each other between two tracks together, and then can form a whole behind a plurality of track joints, information display tablet can slide in the track, so the latch device provides a more convenient assembly methods, can reduce the time cost, improve the efficiency of assembly, install a plurality of information display tablets fast, user's experience has been promoted.

Referring to fig. 1, a track 2 may receive an information display card 1 according to an embodiment of the present application. The track 2 may also accommodate a plurality of information display boards 1, and the plurality of information display boards 1 are arranged along the length direction of the track 2 (as indicated by the X mark on fig. 1), which can be realized by lengthening the length of the track 2.

Referring to fig. 1, according to an embodiment of the present disclosure, the first engaging member 21 is a fastening block or a fastening slot, and the second engaging member 22 is a fastening block or a fastening slot. Taking the example that the two rails 2 are clamped with each other, the first clamping member 21 of the first rail is a clamping groove, the second clamping member 22 of the first rail is a clamping groove, the first clamping member 21 of the second rail is a clamping block, the second clamping member 22 of the second rail is a clamping block, the clamping block and the clamping groove are matched, the clamping block can be clamped in the clamping groove, the two rails are assembled together, and thus the clamping blocks on the two side walls of the first rail can be inserted into the clamping grooves on the side walls of the second rail. In this embodiment, the structure of two adjacent tracks has a difference, and the difference is in the form of a first clamping member 21 and a second clamping member 22. Or, the adjacent two tracks have the same structure, the structure is shown in fig. 1, the first clamping member 21 of the first track is a clamping groove, the second clamping member 22 of the first track is a clamping block, the first clamping member 21 of the second track is a clamping groove, and the second clamping member 22 of the second track is a clamping block, so that a plurality of tracks can be conveniently manufactured at the same time.

Referring to fig. 7, according to an embodiment of the present application, one or more (2, 3, 4, etc.) fastening blocks are disposed on an outer side wall of the track 2, and a plurality of fastening blocks are disposed in parallel. In some embodiments, the latch may be a protruding portion on the outer side wall of the track 2, and the latch may be a recessed portion on the outer side wall of the track 2.

In some embodiments, the first clip member and the second clip member form a buckle, the structure of which can be further referred to as CN200820004280.3, entitled buckle foot structure and device with buckle foot structure, and the structure of which can be further referred to as CN201621053594.3, entitled buckle structure for facilitating assembly of the buckle.

Referring to fig. 1 and 2, according to an embodiment of the present disclosure, the latch device further includes a limiting member 16. The limiting member 16 includes a fixed end 161 and a limiting end 162, the fixed end 161 is detachably connected to the track 2, and the limiting end 162 is used for preventing the information display board 1 from falling off from the track 2. The detachable connection between the fixed end 161 and the track 2 is clamping, bolt connection, magnetic attraction connection, etc. When the information display board 1 is used, the information display board 1 stands on a horizontal plane, the fixed end 161 is detachably connected with the rail 2 to be clamped, the fixed end 161 is shaped like an arrow, the rail 2 is provided with a slot 163, the fixed end 161 can be inserted into the slot 163 from the side edge of the slot 163, and the shape of the arrow can prevent the limiting piece 16 from being taken out from the upper part of the slot 163 and press the information display board 1 on the rail 2; in addition, when the fixing end 161 is disposed on the rail 2, the position-limiting end 162 is located above the slot 163, and the position-limiting end 162 extends along the direction of the information display board 1 on two sides, for example, the position-limiting end 162 is perpendicular to the fixing end 161, so that two ends of the position-limiting end 162 can block part of the housing 11 of the information display board 1. Thus, when the plurality of tracks 2 are spliced, one limiting end 162 can shield the shells 11 of two adjacent information display boards 1 (the one limiting end 162 is positioned between the two adjacent information display boards 1), so that the content displayed on the information display boards 1 is more prominent, the whole structure is more attractive, and the grade of the product is improved.

Referring to fig. 3 and 7, according to an embodiment of the present disclosure, a conductive sheet 142 is disposed on the track 2, and the conductive sheet 142 is used for connecting with the circuit board 14 of the information display board 1. The conductive sheet 142 is disposed along the longitudinal direction of the rail 2, the plurality of information presentation boards 1 are also disposed along the longitudinal direction of the rail 2, and the power supply contact 141 of the circuit board 14 of the information presentation board 1 is extended out of the outer wall of the housing 11 and connected to the conductive sheet 142. The conductive sheet 142 may be made of a metal or non-metal conductor material to electrically connect with the circuit board 14, and the conductive sheet 142 is also connected with a power supply, and an external power supply supplies power to the information display board 1 through the conductive sheet 142. So, can optimize the structure of power supply, reduce the degree of difficulty of wiring, promote the efficiency of assembly.

Referring to fig. 1 to 7, the present embodiment further provides an information display board assembling system, including:

the clamping device is a clamping device which is convenient to mount in any one of the embodiments; the information display board 1 is connected with the track 2 in a sliding mode.

According to one embodiment of the present application, the information display board 1 can be used as a junior card, an electronic price tag, or the like. Note that an Electronic price tag, also called an Electronic Shelf Label (Electronic Shelf Label), is an Electronic display device with an information transmitting and receiving function, and is mainly applied to an Electronic Label for displaying price information in a supermarket, a convenience store, a pharmacy, a shopping mall, and the like. The electronic price tag can be placed on a shelf and can replace a traditional paper price tag. Each electronic price tag is connected with a computer database through a wired or wireless network, and latest commodity information (such as price, goods production place, promotion time and the like) is displayed through a screen on the electronic price tag. The electronic price tag successfully brings the goods shelf into a computer program, gets rid of the situation of manually replacing the price tag, and realizes the price consistency between the cashier desk and the goods shelf.

Referring to fig. 2, 4, 5 and 7, the sliding connection between the track 2 and the information display board 1 is realized by a sliding block 15 according to an embodiment of the present application. Be provided with slider 15 on two lateral walls of shell 11 respectively, slider 15 and track 2 looks adaptation, slider 15 can be put into in order to promote the slip smoothness nature between slider 15 and the track 2 in two inside walls of track 2. The contact surface of the slider 15 with the rail 2 may be smoothed so that the surface of the slider 15 tends to be smooth and has a small roughness. Two outer side walls of the housing 11 are respectively connected to the inner walls of two sides of the track 2 through one or more sliding blocks 15, so that the information display board 1 can be stably connected to the track 2, and the information display board 1 can slide to a preset position along the track 2, thereby facilitating installation and disassembly.

Referring to fig. 2, 4, 5 and 7, according to an embodiment of the present application, the slider 15 includes a fixed slider 151 and a movable slider 152, the fixed slider 151 is a slider fixed on the housing 11, and the movable slider 152 is a slider movable relative to the housing 11. The arrangement of the fixed slider 151 or the movable slider 152 has the following 3 schemes: 1. the movable sliding blocks 152 are arranged on two outer side walls of the housing 11; 2. the movable slider 152 is disposed on one side outer wall (e.g., left side outer wall) of the housing 11, and the fixed slider 151 is disposed on the other side outer wall (e.g., right side outer wall) of the housing 11, as shown in fig. 3; 3. the fixed slider 151 is provided on both outer side walls of the housing 11.

Referring to fig. 4 and fig. 5, taking the scheme 2 as an example, one end of the movable slider 152 is disposed on one end of the elastic member 153, the other end of the elastic member 153 is disposed on the inner wall of the housing 11, the movable slider 152 extends out of the outer wall of the left side of the housing 11, and the other end of the movable slider 152 is used for being slidably connected to the rail 2; one end of the fixed sliding block 151 is arranged on the outer wall of the right side of the shell 11, and the other end of the fixed sliding block 151 is used for being connected with the track 2 in a sliding mode; in this way, the other end (the end extending out of the housing 11) of the movable slider 152 and the other end (the end far away from the housing 11) of the fixed slider 151 are slidably connected to the two inner side walls of the track 2, respectively. The elastic member 153 is a mechanical component that operates by elasticity, and is deformed by an external force and returns to its original shape after the external force is removed. The elastic member 153 may be rubber, a spring, an inflatable air bag, or the like.

Referring to fig. 4 and 5, according to an embodiment of the present application, the slider further includes a guiding structure 154, the guiding structure 154 is disposed in the housing 11, and the guiding structure 154 is used for guiding the movable slider 152 to move. The first embodiment is as follows: the guide structure 154 includes a guide groove 1541, the guide groove 1541 includes two flat walls and is disposed in the housing 11, the guide groove 1541 has the same direction as the movable slider 152, and the movable slider 152 can move along the guide groove 1541. The second embodiment is as follows: the guiding structure 154 includes a guiding column 1542 and a through hole disposed on the movable slider 152. The guide posts 1542 are disposed in the housing 11, the guide posts 1542 extend into the through holes of the movable slider 152, and the guide posts 1542 may be rectangular, so that the movable slider 152 does not rotate on the guide posts 1542, if the guide posts 1542 are circular, the movable slider 152 may rotate on the guide posts 1542, and the movable slider 152 is disposed in the guide groove 1541 of the first embodiment, so as to prevent the movable slider 152 from rotating.

In some embodiments, the sliding connection between the outer wall of the housing 11 and the rail 2 is achieved by a pulley. The pulley can rotate along the rotating shaft, and the wheel surface of the pulley is contacted with the inner side wall of the track 2.

Referring to fig. 1, according to an embodiment of the present disclosure, a plurality of tracks 2 are disposed along a width direction of the tracks (as indicated by Y mark in fig. 1), two adjacent tracks 2 are clamped by a first clamping member 21 and a second clamping member 22, and the width direction of the tracks 2 is parallel to a direction from a left outer sidewall of the tracks 2 to a right outer sidewall of the tracks 2. The information display boards 1 are provided in plural, the plural information display boards 1 are provided along the longitudinal direction of the rail 2, and the longitudinal direction of the rail 2 is perpendicular to the direction in which the left outer side wall of the rail 2 faces the right outer side wall of the rail 2. Therefore, the plurality of rails 2 can form a wall form after being assembled and be attached to a wall body or be placed on the ground, one or more information display boards 1 can be assembled on the rails 2 according to actual requirements, and the rail type information display board is convenient to disassemble and simple to use.

Referring to fig. 1, 2, 3 and 6, according to an embodiment of the present application, the information display board 1 further includes:

the lamp holder comprises a shell 11, wherein an accommodating cavity is formed in the shell 11, and the accommodating cavity can accommodate a light transmission plate 13, a lamp bar 12 and a circuit board 14; the housing 11 is provided with an opening, the opening is communicated with the accommodating cavity and the outer wall of the housing 11, and the opening can accommodate the light-transmitting plate 13;

the light-transmitting plate 13, the light-transmitting plate 13 is provided with a pattern layer 133 and a light-shielding layer 132, the pattern layer 133 is positioned on the front surface of the light-transmitting plate 13, the light-shielding layer 132 is positioned on the back surface of the light-transmitting plate 13, the light-transmitting plate 13 is arranged in the housing 11, and the opening exposes the front surface of the light-transmitting plate 13;

the light bar 12 is arranged in the shell 11 and is positioned on one side of the light transmission plate 13;

the circuit board 14, the light bar 12 are connected with the circuit board 14, and the circuit board 14 is configured with a computer program, and can drive the light bar 12 to be turned on and off, so as to display a picture.

The circuit board 14 drives the light bar 12 to emit light and emit the light into the transparent plate 13 from the side wall of the transparent plate 13, the light shielding layer 132 prevents the light from leaking from the back surface of the transparent plate 13, and further, the light emitted by the light bar 12 displays a corresponding picture through the pattern layer 133, so that the information display board 1 has the characteristics of high brightness, clear display and strong texture.

The housing 11 may be made of plastic, alloy, composite material, etc. with certain hardness, and can protect the circuit board 14 and other components inside from being damaged under the action of external force. Preferably, the housing 11 is made of ABS engineering plastic, which has the excellent heat resistance, weather resistance, dimensional stability and impact resistance of PC resin, and also has the excellent processing flowability of ABS resin.

The light-transmitting plate 13 may be an acrylic light-transmitting plate, a PC light-transmitting plate, or a glass light-transmitting plate, so that light can be transmitted, thereby displaying a predetermined picture. Preferably, the light-transmitting plate 13 is made of acrylic light-transmitting plate, and the acrylic light-transmitting plate has the characteristics of good light-transmitting performance (up to more than 92%, low required light intensity, electric energy saving), pure color, rich color, attractive appearance, smoothness, good weather resistance, acid and alkali resistance, long service life and the like.

Referring to fig. 6, according to an embodiment of the present application, the transparent plate 13 is further provided with a display screen 131, the display screen 131 is located in the transparent plate 13, the display screen 131 is connected to the circuit board 14, and the display screen 131 receives a signal of the circuit board 14 and forms an image. Preferably, the display screen 131 is centrally disposed on the light-transmitting plate 13, so that it has a better appearance. It should be noted that a slot for accommodating the display screen 131 is disposed on the back surface of the transparent plate 13, and the display screen 131 can be embedded in the transparent plate 13. The Display screen 131 is an ink screen, an LCD screen (Liquid Crystal Display, which is translated into a Liquid Crystal Display), or an OLED screen (Organic Light-Emitting Diode, which is translated into an Organic Light-Emitting Diode). Preferably, the display screen 131 selects an ink screen, the power consumption of the ink screen is low, and the ink screen is changed when the display is required to be changed, so that the power consumption is greatly saved, and the service life of the information display board 1 is prolonged.

Referring to fig. 3 and 4, according to an embodiment of the present invention, the light bar 12 is a lighting component, and the light bar 12 is located on the inner sidewall of the housing 11 and at the same height as the transparent plate 13, so that the light transmission amount is maximized. The light bar 12 is irradiated from the side wall of the transparent plate 13 and is emitted from the front surface of the transparent plate 13 to a greater extent, so as to display the content of the pattern layer 133 (the pattern layer 133 on the front surface of the transparent plate 13 is provided with openings corresponding to letters, figures and/or numbers), and the content of the pattern layer 133 is more clear and bright.

In some cases, the height of light bar 12 may also be less than the height of light panel 13. Light bar 12 can be an LED light bar, a halogen light bar, an incandescent light bar, and the like. Preferably, the light bar 12 is an LED light bar, and has the advantages of green environmental-friendly lighting source, no generation of harmful ultraviolet light, and high luminous intensity, and the light-shielding layer 132 is disposed on the back surface of the transparent plate 13, and the frosted structure is disposed on the surface of the pattern layer 133, so as to achieve the purpose of uniform, clear and bright light emission, and clearly view the content displayed by the information display board 1 at multiple angles.

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 only to describe particular embodiments 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 solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or 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. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "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 only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed 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 arrangement; it can be a mechanical connection, an electrical connection, or a 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.

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, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by 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 protection scope of the present invention.

Claims (10)

1. A clip attachment for facilitating installation, comprising:

the track is used for being in sliding connection with the information display board;

the first clamping piece is arranged on the left outer side wall of the track;

second joint spare, second joint spare sets up on orbital right side lateral wall, first joint spare with second joint spare looks adaptation is so that two looks joint between the track.

2. The clamping device convenient to mount as claimed in claim 1, wherein the first clamping member is a clamping block or a clamping groove, and the second clamping member is a clamping block or a clamping groove.

3. The clamping device convenient to mount according to claim 1 or 2, further comprising a limiting member, wherein the limiting member comprises a fixed end and a limiting end, the fixed end is detachably connected with the rail, and the limiting end is used for preventing the information display board from falling off from the rail.

4. The conveniently-installed clamping device according to claim 1, wherein the track is provided with a conductive sheet, and the conductive sheet is used for being connected with a circuit board of the information display board.

5. An information display card assembly system, comprising:

the clamping device is convenient to mount and can be used as a clamping device in any one of claims 1 to 4;

the information display board is connected with the rail in a sliding mode.

6. The information display board assembling system of claim 5, wherein the information display board comprises a housing and a sliding block, the sliding block is disposed on each of the left outer side wall and the right outer side wall of the housing, and the housing is slidably connected to the rail through the sliding block.

7. The information display card assembling system of claim 6, wherein the sliding block comprises a fixed sliding block and a movable sliding block, one end of the movable sliding block is disposed on one end of an elastic member, the other end of the elastic member is disposed on the inner wall of the housing, the movable sliding block extends out of the outer wall of the left side of the housing, and the other end of the movable sliding block is used for being slidably connected with the rail; one end of the fixed sliding block is arranged on the outer wall of the right side of the shell, and the other end of the fixed sliding block is used for being connected with the track in a sliding mode.

8. An information display card assembly system according to claim 6, wherein the slide further comprises a guide structure disposed within the housing for guiding movement of the movable slide.

9. An information display card assembling system as claimed in claim 5, wherein said information display cards are plural, and plural information display cards are arranged along a length direction of said rail, and a length direction of said rail is perpendicular to a direction of a left outer side wall of said rail toward a right outer side wall of said rail; and/or:

the track is a plurality of, and is a plurality of the track along orbital width direction sets up, adjacent two pass through between the track first joint spare with second joint spare looks joint, orbital width direction is on a parallel with orbital left side lateral wall orientation the direction of orbital right side lateral wall.

10. An information display card assembly system as claimed in any one of claims 5 to 9, wherein the information display card is a card for business.

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