An offline identification linkage online advertisement terminal

Abstract

The application provides an offline identification linkage online advertisement putting terminal, and relates to the technical field of advertisement putting terminal, which comprises a frame and a replacement structure, the inside of the frame is provided with a display panel, one side of the frame is provided with a connecting structure, the connecting structure comprises two connecting pieces, the two connecting pieces are fixedly connected with the frame, the inner wall of the connecting piece is slidably connected with two mounting rods, the end, away from the frame, of the mounting rod is fixedly connected with a mounting plate, the inner wall of the mounting rod is slidably connected with a fixing rod, the upper end of the fixing rod is fixedly connected with a connecting frame, the side, close to the frame, of the connecting frame is slidably connected with a plug rod, and the plug rod is slidably connected with the mounting plate. The application can conveniently install and fix the frame, can simplify the installation operation process, can reduce the installation difficulty, and can solve the problems of low installation efficiency, repeated adjustment of the installation position by means of additional tools, and cooperation of multiple people to hold and align the installation hole.

Description

Technical Field

[0001] This invention relates to the field of advertising delivery terminal technology, and in particular to an online advertising delivery terminal that links offline identifiers. Background Technology

[0002] Advertising delivery terminals are physical devices, screens, or carriers that can display advertising content. This is the part we are most likely to perceive in our daily lives.

[0003] Existing technologies, such as the invention with publication number CN114092161B, disclose an advertising placement method and apparatus. This patent involves receiving advertising type information and advertising price information; inputting the advertising type into a film and television drama classification library, automatically outputting the corresponding film and television drama type; retrieving films and television dramas on video platforms that have not yet placed advertisements, reading the type and duration of the films and television dramas, receiving duration interval values, determining the number of times each film and television drama will place advertisements based on the duration interval values, and obtaining the number of times each advertisement will be placed based on the advertising price information; allocating the advertisement to be placed to the corresponding film and television drama according to the corresponding film and television drama type and the number of times the advertisement will be placed; receiving film and television drama segment tag information, and inserting the advertisement to be placed into the corresponding film and television segment according to the film and television drama segment tag information and the advertising type. This invention places advertisements into corresponding film and television dramas, ensuring that the advertisement content is as closely related to the film and television drama content as possible, making advertising placement more precise.

[0004] Currently, most of the online-offline integrated advertising terminals on the market are installed by directly fixing the terminal to the wall. During the installation process, additional tools are needed to repeatedly adjust the installation position, and multiple people are required to lift the terminal and align it with the mounting holes on the wall. The installation operation is cumbersome and the installation efficiency is low. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an online advertising delivery terminal that links offline identification.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an online advertising terminal with offline signage linkage, comprising a frame and a replacement structure. A display panel is installed inside the frame, and a connecting structure is provided on one side of the frame. The connecting structure includes two connectors, both of which are fixedly connected to the frame. Two mounting rods are slidably connected to the inner wall of the connectors. A mounting plate is fixedly connected to the end of the mounting rod away from the frame. A fixing rod is slidably connected to the inner wall of the mounting rod. A connecting frame is fixedly connected to the upper end of the fixing rod. An insert rod is slidably connected to the side of the connecting frame closer to the frame, and the insert rod is slidably connected to the mounting plate.

[0007] By adopting this preferred solution, when the frame and display panel need to be installed, the mounting plate can be quickly pre-fixed to the wall or other installation location. Then, the entire frame is inserted into the connector by the mounting rod, and the plug is pushed through the mounting plate to complete the limit locking. There is no need to repeatedly adjust the frame position with additional tools, nor is it necessary for multiple people to lift and align the mounting holes. This effectively reduces the difficulty of installation, shortens the installation time, and improves the convenience of the frame installation process.

[0008] Preferably, a spring is fitted onto the arc surface of the insertion rod, and the two ends of the spring are fixedly connected to the insertion rod and the connecting frame, respectively.

[0009] This preferred solution achieves the following: when the insertion rod needs to be inserted, pulling the insertion rod causes the spring to stretch, then aligning the insertion rod with the connecting frame and mounting plate, and then releasing the insertion rod spring to retract and insert the insertion rod for fixation.

[0010] Preferably, a plurality of slots are provided on both sides of the connecting frame, and the plurality of slots are evenly distributed on both sides of the connecting frame.

[0011] By adopting this preferred solution, the groove can increase the friction between the hand and the connecting frame, thus preventing slippage when the connecting frame is pulled.

[0012] Preferably, an anti-slip pad, which is a rubber pad, is fixedly connected to the inner wall of the mounting rod.

[0013] By adopting this preferred solution, the anti-slip pad can increase the friction between the mounting rod and the fixing rod, thus preventing slippage when the mounting rod and the fixing rod are connected.

[0014] Preferably, the frame has a cleaning structure on the side away from the connector. The cleaning structure includes a slide bar, which is fixedly connected to the frame. A sliding frame is slidably connected to the surface of the slide bar. Two fixing plates are fixedly connected to the side of the frame away from the connector. A follower plate is fixedly connected to the side of the sliding frame away from the slide bar. A connecting rod is fixedly connected to the upper surface of the frame. A servo motor is installed at the end of the connecting rod away from the connector. A screw is fixedly connected to the output end of the servo motor. The screw is rotatably connected to the fixing plate and threadedly connected to the follower plate. Connecting plates are provided on both sides of the sliding frame. The connecting plates are connected to the sliding frame by means of a replacement structure. A cleaning pad is fixedly connected to the side of the connecting plate near the display panel.

[0015] This preferred solution achieves the following: when the display panel needs cleaning, the servo motor is activated to drive the screw to rotate. The rotation of the screw will cause the threaded follower plate to move. The follower plate will cause the slide frame to slide along the surface of the slide bar. The movement of the slide frame will cause the connecting plate and the cleaning pad to move. During the movement of the cleaning pad, the dust and stains attached to the surface of the display panel can be cleaned without the need for manual wiping by staff, saving time and effort and effectively reducing the workload of staff.

[0016] Preferably, the slide bar has a rectangular cross-section and is made of stainless steel.

[0017] By adopting this preferred solution, the slider can limit the sliding frame, preventing the sliding frame from shifting when it drives the connecting plate and cleaning pad to clean the display panel.

[0018] Preferably, the cleaning pad is a sponge pad, and the edges and corners of the cleaning pad are rounded.

[0019] By adopting this preferred solution, the sponge material can absorb dust particles on the surface of the display panel, while the rounded corners can prevent the sharp edges of the cleaning pad from scratching the surface of the display panel, thereby improving the safety of the cleaning process and effectively extending the service life of the display panel.

[0020] Preferably, the inner walls on both sides of the sliding frame are provided with a replacement structure, the replacement structure including two slots, both slots being opened on the inner wall of the sliding frame, the connecting plate being slidably connected to the sliding frame, the inner wall of the connecting plate being provided with a sliding groove, the inner wall of the sliding groove being slidably connected with a locking block, the locking block engaging with the locking groove, and a tension spring being provided inside the sliding groove, the two ends of the tension spring being fixedly connected to the locking block and the sliding groove respectively.

[0021] By adopting this preferred solution, when the cleaning pad needs to be replaced, simply press the locking block inward to disengage it from the locking slot, allowing the connecting plate to slide off the slide frame and quickly remove the cleaning pad for replacement. When installing a new cleaning pad, simply slide the connecting plate along the slide frame, and the locking block will automatically engage in the locking slot due to the force of the tension spring on the inner wall of the slide groove, thus achieving the effect of convenient and quick disassembly and replacement of the cleaning pad.

[0022] Preferably, a slide rod is fixedly connected inside the slide groove, the slide rod is slidably connected to the locking block, and the tension spring is sleeved on the arc surface of the slide rod.

[0023] By adopting this preferred solution, the slide bar can limit the tension spring, preventing deformation of the tension spring during use and improving the service life of the tension spring.

[0024] Preferably, a plurality of positioning rods are fixedly connected inside the sliding frame, and the positioning rods are slidably connected to the connecting plate.

[0025] By adopting this preferred solution, the positioning rod can increase the connection speed between the connecting plate and the sliding frame, and can prevent the connecting plate from shifting during installation.

[0026] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. In this invention, the frame can be easily installed and fixed by means of a design, which simplifies the installation process and reduces the difficulty of installation. It solves the problems of needing to repeatedly adjust the installation position with additional tools and requiring multiple people to lift and align the installation holes, resulting in low installation efficiency.

[0027] 2. In this invention, by setting up a cleaning structure, it is possible to automatically clean stains and dust on the surface of the display panel, without the need for repeated manual wiping, thus reducing the cleaning burden on staff. At the same time, the cleaning pad can be quickly replaced to ensure the cleaning effect. This solves the problems that dust and stains easily accumulate on the surface of the display panel after long-term use, making manual cleaning inconvenient and making it difficult to quickly replace the cleaning pad when it is dirty.

[0028] 3. In this invention, by setting a replacement structure, the cleaning pad can be easily and quickly disassembled and replaced. When the cleaning pad becomes dirty or worn after long-term use, the replacement operation can be completed without the need for additional tools. The operation is simple and quick, effectively reducing the difficulty of replacing the cleaning pad and ensuring that the cleaning pad always maintains a good cleaning effect. This solves the problems of the existing cleaning structure, such as the difficulty in quickly replacing the cleaning pad, the complexity of the replacement operation, and the potential for delays in cleaning operations. Attached Figure Description

[0029] Figure 1 This invention provides a three-dimensional structural diagram of an online advertising delivery terminal that links offline identification elements. Figure 2 This invention provides a schematic diagram of the connection structure of an online advertising delivery terminal that links offline identification. Figure 3 This invention proposes an online advertising delivery terminal that links offline identifiers. Figure 2 Enlarged view of point A; Figure 4 This invention proposes an online advertising delivery terminal that links offline identifiers. Figure 2 A schematic diagram of the side structure; Figure 5 This invention provides a schematic diagram of the cleaning structure of an online advertising delivery terminal that links offline identifiers. Figure 6 This invention provides a schematic diagram of the replacement structure of an online advertising terminal that links offline identifiers. Figure 7 This invention proposes an online advertising delivery terminal that links offline identifiers. Figure 6Enlarged view of point B.

[0030] Legend: 1. Frame; 2. Display panel; 3. Connecting structure; 31. Mounting plate; 32. Fixing rod; 33. Connector; 34. Mounting rod; 35. Connecting frame; 36. Spring; 37. Insert rod; 38. Groove; 39. Anti-slip pad; 4. Cleaning structure; 41. Servo motor; 42. Connecting rod; 43. Screw; 44. Slide bar; 45. Fixing plate; 46. Follower plate; 47. Connecting plate; 48. Slide frame; 49. Cleaning pad; 5. Replacement structure; 51. Positioning rod; 52. Slide bar; 53. Slot; 54. Slot block; 55. Slide groove; 56. Tension spring. Detailed Implementation

[0031] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0032] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0033] Example 1, such as Figure 1-7 As shown, the present invention provides an online advertising terminal with offline signage linkage, including a frame 1 and a replacement structure 5. A display panel 2 is installed inside the frame 1 with a tension spring 56. A connecting structure 3 is provided on one side of the frame 1 with a tension spring 56. A cleaning structure 4 is provided on the side of the frame 1 with a tension spring 56 away from the connecting piece 33. Replacement structures 5 are provided on the inner walls of both sides of the sliding frame 48 with a tension spring 56.

[0034] The following section will explain the specific settings and functions of its connection structure 3, cleaning structure 4, and replacement structure 5.

[0035] like Figures 2 to 4As shown, the connecting structure 3 includes two connectors 33. Both tension spring 56 connectors 33 are fixedly connected to the frame 1. The inner wall of the tension spring 56 connector 33 is slidably connected to two mounting rods 34. The end of the tension spring 56 mounting rod 34 away from the frame 1 is fixedly connected to a mounting plate 31. The inner wall of the tension spring 56 mounting rod 34 is slidably connected to a fixing rod 32. The upper end of the tension spring 56 fixing rod 32 is fixedly connected to a connecting frame 35. The side of the tension spring 56 connecting frame 35 close to the frame 1 is slidably connected to an insert rod 37. The tension spring 56 insert rod 37 is slidably connected to the mounting plate 31. When the frame 1 and display panel 2 need to be installed, the tension spring 56 can quickly pre-fix the mounting plate 31 to the wall or other installation positions. Then, the entire frame 1 is inserted into the connector 33 by the mounting rod 34, and the insertion rod 37 is pushed through the mounting plate 31 to complete the limit locking. There is no need to repeatedly adjust the position of the frame 1 with additional tools, nor is it necessary for multiple people to lift and align the mounting holes. This effectively reduces the difficulty of installation, shortens the installation time, and improves the convenience of installing the frame 1. The arc surface of the insertion rod 37 of the tension spring 56 is fitted with a spring 36, and the two ends of the spring 36 are fixedly connected to the insertion rod 37 and the connecting frame 35, respectively. When the insertion rod 37 needs to be inserted, the tension spring 56 pulls the insertion rod 37, causing the spring 36 to stretch. Then, the insertion rod 37 is aligned with the connecting frame 35 and the mounting plate 31. After releasing the insertion rod 37, the spring 36 retracts, causing the insertion rod 37 to be inserted and fixed. The connecting frame 35 has several slots 38 on both sides, evenly distributed on both sides. These slots 38 increase the friction between the hand and the connecting frame 35, preventing slippage when pulling the connecting frame 35. An anti-slip pad 39, made of rubber, is fixedly connected to the inner wall of the mounting rod 34. This anti-slip pad 39 increases the friction between the mounting rod 34 and the fixing rod 32, preventing slippage when they are connected.

[0036] like Figure 1 and Figure 5As shown, the cleaning structure 4 includes a slide bar 44, a tension spring 56, and a frame 1. The slide bar 44 is fixedly connected to the frame 1. A sliding frame 48 is slidably connected to the surface of the slide bar 44. Two fixing plates 45 are fixedly connected to the side of the frame 1 away from the connector 33. A follower plate 46 is fixedly connected to the side of the sliding frame 48 away from the slide bar 44. A connecting rod 42 is fixedly connected to the upper surface of the frame 1. A servo motor 41 is installed at the end of the connecting rod 42 away from the connector 33. A screw 43 is fixedly connected to the output end of the servo motor 41. The screw 43 is rotatably connected to the fixing plate 45. The screw 43 is threadedly connected to the follower plate 46. Connecting plates 47 are provided on both sides of the sliding frame 48. The connecting plates 47 are connected to the sliding frame 48 by means of a replacement structure 5. A cleaning pad 49 is fixedly connected to the side of the connecting plate 47 near the display panel 2. When cleaning the display panel 2 is required, the tension spring 56 activates the servo motor 41 to rotate the screw 43. The rotation of the screw 43 causes the threaded follower plate 46 to move, which in turn causes the sliding frame 48 to slide along the surface of the slide bar 44. The movement of the sliding frame 48 causes the connecting plate 47 and the cleaning pad 49 to move. During the movement of the cleaning pad 49, the dust and stains attached to the surface of the display panel 2 can be cleaned without the need for manual wiping by staff, saving time and effort and effectively reducing the workload of staff. The cross-section of the slide bar 44 is rectangular, and the slide bar 44 is made of stainless steel. The slide bar 44 can limit the sliding frame 48 to prevent it from shifting when the sliding frame 48 drives the connecting plate 47 and the cleaning pad 49 to clean the display panel 2. The cleaning pad 49 is a sponge pad with rounded corners. The sponge material of the tension spring 56 can absorb dust particles on the surface of the display panel 2, while the rounded corners can prevent the sharp edges of the cleaning pad 49 from scratching the surface of the display panel 2, improving the safety of the cleaning process and effectively extending the service life of the display panel 2.

[0037] like Figure 6 and Figure 7As shown, the spring 56 replacement structure 5 includes two slots 53, both of which are located on the inner wall of the slide frame 48. The spring 56 connecting plate 47 is slidably connected to the slide frame 48. The inner wall of the spring 56 connecting plate 47 is provided with a groove 55. A locking block 54 is slidably connected to the inner wall of the groove 55. The locking block 54 engages with the slot 53. A spring 56 is provided inside the groove 55. The two ends of the spring 56 are fixedly connected to the locking block 54 and the groove 55, respectively. When the cleaning pad 49 needs to be replaced, the tension spring 56 simply presses the locking block 54 inward to disengage the locking block 54 from the locking groove 53, allowing the connecting plate 47 to slide off the slide frame 48 and quickly remove the cleaning pad 49 for replacement. When installing a new cleaning pad 49, simply slide the connecting plate 47 into the slide frame 48, and the locking block 54 will automatically engage in the locking groove 53 under the force of the tension spring 56 on the inner wall of the slide groove 55, thus achieving the effect of convenient and quick disassembly and replacement of the cleaning pad 49. The tension spring 56 has a sliding rod 52 fixedly connected inside the slide groove 55, and the sliding rod 52 is slidably connected to the locking block 54. The tension spring 56 is sleeved on the arc surface of the sliding rod 52. The tension spring 56 and slide rod 52 can limit the movement of the tension spring 56, preventing deformation during use and improving its service life. Several positioning rods 51 are fixedly connected inside the tension spring 56 slide frame 48, and these positioning rods 51 are slidably connected to the connecting plate 47. The positioning rods 51 can increase the connection speed between the connecting plate 47 and the slide frame 48, preventing misalignment of the connecting plate 47 during installation.

[0038] The overall working principle is as follows: when the frame 1 and display panel 2 need to be installed, the mounting plate 31 can be quickly pre-fixed to the wall or other installation positions. Then, the entire frame 1 is inserted into the connector 33 by the mounting rod 34, and the insertion rod 37 is pushed through the mounting plate 31 to complete the limit locking. There is no need to repeatedly adjust the position of the frame 1 with additional tools, nor is it necessary for multiple people to lift and align the mounting holes. This effectively reduces the difficulty of installation, shortens the installation time, and improves the convenience of installing the frame 1. When the insertion rod 37 needs to be inserted, the insertion rod 37 is pulled to stretch the spring 36. Then, the insertion rod 37 is aligned with the connecting frame 35 and the mounting plate 31. Then, the spring 36 is released to retract the insertion rod 37 and insert it for fixation. The slot 38 can increase the friction between the hand and the connecting frame 35 to prevent slippage when the connecting frame 35 is pulled. The anti-slip pad 39 can increase the friction between the mounting rod 34 and the fixing rod 32 to prevent slippage when the mounting rod 34 and the fixing rod 32 are connected.

[0039] When the display panel 2 needs cleaning, the servo motor 41 is activated to drive the screw 43 to rotate. The rotation of the screw 43 will drive the threaded follower plate 46 to move. The follower plate 46 will drive the slide frame 48 to slide along the surface of the slide bar 44. The movement of the slide frame 48 will drive the connecting plate 47 and the cleaning pad 49 to move. During the movement of the cleaning pad 49, the dust and stains attached to the surface of the display panel 2 can be cleaned without the need for manual wiping by the staff, saving time and effort and effectively reducing the workload of the staff. The slide bar 44 can limit the slide frame 48 to prevent the slide frame 48 from deviating when it drives the connecting plate 47 and the cleaning pad 49 to clean the display panel 2. The sponge material can absorb dust particles on the surface of the display panel 2, and the rounded corners can prevent the sharp edges of the cleaning pad 49 from scratching the surface of the display panel 2, improving the safety of the cleaning process and effectively extending the service life of the display panel 2.

[0040] When the cleaning pad 49 needs to be replaced, simply press the locking block 54 inward to disengage it from the locking slot 53, allowing the connecting plate 47 to slide off the sliding frame 48 and quickly remove the cleaning pad 49 for replacement. When installing a new cleaning pad 49, simply slide the connecting plate 47 into the sliding frame 48. The locking block 54 will automatically engage with the locking slot 53 under the force of the tension spring 56 on the inner wall of the sliding groove 55, thus achieving the effect of convenient and quick disassembly and replacement of the cleaning pad 49. The sliding rod 52 can limit the tension spring 56 to prevent deformation during use and improve the service life of the tension spring 56. The positioning rod 51 can increase the connection speed between the connecting plate 47 and the sliding frame 48 and prevent the connecting plate 47 from shifting during installation.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. An online advertising terminal that links offline signage, comprising a frame (1) and a replacement structure (5), characterized in that: The frame (1) is equipped with a display panel (2). A connecting structure (3) is provided on one side of the frame (1). The connecting structure (3) includes two connectors (33). Both connectors (33) are fixedly connected to the frame (1). Two mounting rods (34) are slidably connected to the inner wall of the connectors (33). A mounting plate (31) is fixedly connected to the end of the mounting rod (34) away from the frame (1). A fixing rod (32) is slidably connected to the inner wall of the mounting rod (34). A connecting frame (35) is fixedly connected to the upper end of the fixing rod (32). A plug rod (37) is slidably connected to the side of the connecting frame (35) close to the frame (1). The plug rod (37) is slidably connected to the mounting plate (31).

2. The online advertising terminal with offline identification linkage according to claim 1, characterized in that: The arc surface of the insert (37) is fitted with a spring (36), and the two ends of the spring (36) are fixedly connected to the insert (37) and the connecting frame (35) respectively.

3. The online advertising terminal with offline identification linkage according to claim 1, characterized in that: The connecting frame (35) has several slots (38) on both sides, and the slots (38) are evenly distributed on both sides of the connecting frame (35).

4. The online advertising terminal with offline identification linkage according to claim 1, characterized in that: The inner wall of the mounting rod (34) is fixedly connected with an anti-slip pad (39), which is a rubber pad.

5. The online advertising terminal with offline identification linkage according to claim 1, characterized in that: The frame (1) has a cleaning structure (4) on the side away from the connector (33). The cleaning structure (4) includes a slide bar (44), which is fixedly connected to the frame (1). A sliding frame (48) is slidably connected to the surface of the slide bar (44). Two fixing plates (45) are fixedly connected to the side of the frame (1) away from the connector (33). A follower plate (46) is fixedly connected to the side of the sliding frame (48) away from the slide bar (44). A connecting rod (42) is fixedly connected to the upper surface of the frame (1). A servo motor (41) is installed at the end of the rod (42) away from the connector (33). The output end of the servo motor (41) is fixedly connected to a screw (43). The screw (43) is rotatably connected to the fixing plate (45). The screw (43) is threadedly connected to the follower plate (46). Connecting plates (47) are provided on both sides of the slide frame (48). The connecting plates (47) are connected to the slide frame (48) by means of the replacement structure (5). A cleaning pad (49) is fixedly connected to the side of the connecting plate (47) near the display panel (2).

6. The online advertising terminal with offline identification linkage according to claim 5, characterized in that: The slide bar (44) has a rectangular cross-section and is made of stainless steel.

7. The online advertising terminal with offline identification linkage according to claim 5, characterized in that: The cleaning pad (49) is a sponge pad, and the corners of the cleaning pad (49) are rounded.

8. The online advertising terminal with offline identification linkage according to claim 5, characterized in that: The inner walls on both sides of the sliding frame (48) are provided with a replacement structure (5). The replacement structure (5) includes two slots (53). The two slots (53) are opened on the inner wall of the sliding frame (48). The connecting plate (47) is slidably connected to the sliding frame (48). The inner wall of the connecting plate (47) is provided with a sliding groove (55). The inner wall of the sliding groove (55) is slidably connected with a block (54). The block (54) is engaged with the slot (53). The sliding groove (55) is provided with a tension spring (56). The two ends of the tension spring (56) are fixedly connected to the block (54) and the sliding groove (55) respectively.

9. The online advertising terminal with offline identification linkage according to claim 8, characterized in that: The slide groove (55) is fixedly connected to a slide rod (52), which is slidably connected to the locking block (54), and the tension spring (56) is sleeved on the arc surface of the slide rod (52).

10. The online advertising terminal with offline identification linkage according to claim 8, characterized in that: The sliding frame (48) has several positioning rods (51) fixedly connected inside, and the positioning rods (51) are slidably connected to the connecting plate (47).

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