Photovoltaic power generation energy storage device convenient to expand

Abstract

The invention relates to the technical field of photovoltaic power generation and energy storage, in particular to a photovoltaic power generation and energy storage device convenient to expand, which comprises a fixed base, a fixed box is fixed at the top end of the fixed base, an expansion box is slidably connected to the outer side of the fixed box, the outer side of the fixed box is sleeved with a protective shell, and the protective shell is fixedly connected with the fixed base. The expansion box is slidably connected with the protective shell, a first protective door is hinged to one side of the expansion box, and a second protective door is hinged to one side of the protective shell; through the cooperative structural design of the fixed box, the expansion box, the protective shell, the mounting plate, the connecting sliding block and the adjusting assembly, when the storage battery needs to be expanded, the expansion box can be lifted, and then the mounting plate and the connecting sliding block are connected with the expansion box, so that the added storage battery can be conveniently mounted at the top end of the mounting plate in the expansion box, and the storage battery can be conveniently expanded. The convenience of storage battery expansion is effectively improved, the economic cost is reduced, and the practicability of the device is improved.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic power generation and energy storage technology, and more specifically, to a photovoltaic power generation and energy storage device that is easy to expand. Background Technology

[0002] A solar panel is assembled by connecting several solar cells, each consisting of a thin film of photovoltaic semiconductors that directly generates electricity using sunlight, in series and parallel. When sunlight shines perpendicularly into the solar panel, it receives strong sunlight and converts it into more electrical energy, resulting in a high photoelectric conversion efficiency.

[0003] A search revealed a photovoltaic power station energy storage device with publication number (CN115642858A). The device describes a structure comprising a protective shell, with several batteries disposed on the inner side of the shell, connecting lines distributed on the inner wall of the shell, and an output socket and an input socket fixedly installed on the outer side of the shell. Both the output and input sockets are connected to the batteries via connecting lines. A protective frame is fixedly installed on the side of the input socket away from the protective shell, and two sliding rods are fixedly installed on the inner side of the protective frame. By sliding the six transmission seats in the same row to one side and then sliding the five guide rails vertically along the sliding rods, the previously clustered lines can be fully unfolded, separating the power transmission lines. This effectively facilitates line inspection and maintenance. After inspection, several transmission seats can be slid to the corner of the input socket, bringing the lines together, reducing the space occupied by the equipment, and improving its practicality.

[0004] When the aforementioned patents and most existing devices require increasing the number of batteries to improve energy storage capacity, an additional energy storage box needs to be set up to house the batteries in order to achieve the purpose of expansion. However, this method is cumbersome to operate and increases costs. In addition, adding an extra energy storage device outdoors will occupy additional space, resulting in low space utilization.

[0005] Based on this, the present invention discloses a photovoltaic power generation energy storage device that is easy to expand. Summary of the Invention

[0006] To address the issues raised in the background art, where most existing devices require additional batteries to increase energy storage capacity, necessitating the use of separate energy storage boxes for these batteries, this approach is cumbersome and costly. Furthermore, adding outdoor energy storage devices occupies extra space, resulting in low space utilization. Therefore, this invention provides an easily expandable photovoltaic energy storage device, comprising a fixed base, a fixed box fixed to the top of the fixed base, an expansion box slidably connected to the outside of the fixed box, a protective shell fitted over the outside of the fixed box, and the protective shell fixedly connected to the fixed base. The expansion box is slidably connected to the protective shell. A first protective door is hinged to one side of the expansion box, and a second protective door is hinged to one side of the protective shell. Multiple mounting plates are evenly arranged on the inner sides of the expansion box and the fixed box. A cable management assembly is provided on the side of the mounting plate near the first protective door. Connecting sliders are fixed at both ends of the mounting plate located inside the expansion box. A connecting groove is provided at the position of the connecting slider in the expansion box. The connecting slider is slidably connected to the expansion box through a limit bolt. A plug-in assembly is provided on the inner side of the expansion box at the position corresponding to the connecting slider. An adjustment assembly is provided inside the fixed box on the side away from the second protective door at the position corresponding to the expansion box for adjusting the height of the expansion box.

[0007] As a further improvement to this technical solution, the adjustment component includes a built-in threaded block, which is fixed at a position away from the first protective door of the expansion box. The built-in threaded block is slidably connected to the fixed box. A lifting screw is rotatably connected to the inside of the fixed box at a position corresponding to the built-in threaded block, and the lifting screw is threadedly connected to the built-in threaded block.

[0008] As a further improvement to this technical solution, a transmission worm gear is fixed to the outer side of the lower end of the lifting screw, and a transmission worm is rotatably connected to the inner side of the fixed box at a position corresponding to the transmission worm gear. The transmission worm meshes with the transmission worm gear, and one end of the transmission worm extends to the outer side of the protective shell. An adjusting rudder is fixed to the end of the transmission worm located on the outer side of the protective shell.

[0009] As a further improvement to this technical solution, the plug-in assembly includes a connecting rod, which is disposed inside the expansion box and at a position corresponding to the connecting slot. The connecting rod is slidably connected to the expansion box. A connecting lever is fixed at the lower end of the connecting rod. The end of the connecting lever away from the connecting rod extends to the inside of the expansion box. The connecting lever is slidably connected to the expansion box. A limit block is fixed at the top of the connecting lever. A plug-in slot is provided at the position of the connecting slider corresponding to the limit block. The limit block is plugged into the connecting slider through the plug-in slot. The limit block is slidably connected to the expansion box.

[0010] As a further improvement to this technical solution, a telescopic spring is sleeved on the outer side of the end of the connecting rod near the limiting block. One end of the telescopic spring is fixedly connected to the limiting block, and the other end of the telescopic spring is fixedly connected to the expansion box.

[0011] As a further improvement to this technical solution, a fixing rod is provided between the two connecting sliders on the side near the second protective door, and the two ends of the fixing rod are respectively fixedly connected to the two connecting sliders.

[0012] As a further improvement to this technical solution, the cable management assembly includes a sliding rod, which is located on the side of the mounting plate near the first protective door. The sliding rod is slidably connected to the mounting plate, and a cable retaining ring is fixed to one end of the sliding rod near the first protective door. A limit bolt is slidably connected to the outer side of the other end of the sliding rod.

[0013] As a further improvement to this technical solution, a limiting spring is fixed to the end of the sliding rod near the limiting bolt, and the end of the limiting spring away from the sliding rod is fixedly connected to the limiting bolt.

[0014] As a further improvement to this technical solution, a limiting ring is fixed to the outer side of one end of the sliding rod near the wire clamping ring, and the limiting ring is slidably connected to the mounting plate.

[0015] As a further improvement to this technical solution, a connecting ring is fixed to the outer side of one end of the limiting bolt near the sliding rod, and an adjusting lever is fixed to the lower end of the connecting ring. The lower end of the adjusting lever extends to the outer side of the mounting plate, and the adjusting lever is slidably connected to the mounting plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In this easily expandable photovoltaic power generation and energy storage device, through the cooperative structural design of a fixed box, an expansion box, a protective shell, a mounting plate, a connecting slider, and an adjustment component, the expansion box can be raised and lowered when the battery needs to be expanded. Then, the mounting plate and connecting slider are connected to the expansion box, so that the added battery can be easily installed on the top of the mounting plate inside the expansion box. This effectively improves the convenience of battery expansion, reduces economic costs, and enhances the practicality of the device.

[0017] 2. In this easily expandable photovoltaic power generation and energy storage device, the structural design of the cable management component enables the convenient and quick adjustment of the position of the cable clamping ring according to the cable connection position of the battery, thereby organizing the cables through the cable clamping ring. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2This is a schematic diagram of a partial structure of the adjustment component of the present invention; Figure 3 This is a schematic diagram of the lifting screw and the built-in threaded block of the present invention; Figure 4 This is a schematic diagram of the overall structure of the adjustment component of the present invention; Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle; Figure 6 This is a schematic diagram of the connecting slider and connecting groove of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of point B in the middle; Figure 8 This is a schematic diagram of the cable management component structure of the present invention; Figure 9 This is a partial structural diagram of the cable management component of the present invention.

[0019] The meanings of the labels in the diagram are as follows: 1. Fixed base; 2. Fixed box; 3. Expansion box; 4. Protective shell; 5. First protective door; 6. Second protective door; 7. Mounting plate; 8. Connecting slider; 9. Fixed rod; 10. Lifting screw; 11. Internal threaded block; 12. Adjusting rudder; 13. Transmission worm gear; 14. Transmission worm wheel; 15. Connecting rod; 16. Connecting lever; 17. Telescopic spring; 18. Limiting block; 19. Wire clamping ring; 20. Sliding rod; 21. Limiting ring; 22. Connecting ring; 23. Adjusting lever; 24. Limiting bolt; 25. Limiting spring; 26. Connecting groove; 27. Limiting groove. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] When the aforementioned patents and most existing devices require increasing the number of batteries to improve energy storage capacity, an additional energy storage box needs to be set up to house the batteries in order to achieve the purpose of expansion. However, this method is cumbersome to operate and increases costs. In addition, adding an extra energy storage device outdoors will occupy additional space, resulting in low space utilization.

[0022] Therefore, the present invention provides a photovoltaic power generation energy storage device that is easy to expand, see [link to relevant documentation]. Figure 1 - Figure 9As shown, it includes a fixed base 1, with a fixed box 2 fixed to the top of the fixed base 1. To facilitate increasing the storage space for the battery, an expansion box 3 is slidably connected to the outside of the fixed box 2. To protect the gap between the fixed box 2 and the expansion box 3 from rainwater and dust ingress, a protective shell 4 is fitted onto the outside of the fixed box 2. The protective shell 4 is fixedly connected to the fixed base 1, and the expansion box 3 is slidably connected to the protective shell 4. A first protective door 5 is hinged to one side of the expansion box 3, and a second protective door 6 is hinged to one side of the protective shell 4. To facilitate the installation of the battery, the expansion box 3... Multiple mounting plates 7 are evenly arranged inside the fixed box 2. A cable management component is provided on the side of the mounting plate 7 near the first protective door 5. Connecting sliders 8 are fixed at both ends of the mounting plate 7 located inside the expansion box 3. A connecting groove 26 is provided at the position of the expansion box 3 corresponding to the connecting slider 8. The connecting slider 8 is slidably connected to the expansion box 3 through a limit bolt 24. A plug-in component is provided inside the expansion box 3 at the position corresponding to the connecting slider 8. An adjustment component is provided inside the side of the fixed box 2 away from the second protective door 6 at the position corresponding to the expansion box 3 for adjusting the height of the expansion box 3.

[0023] For details, see Figure 2 - Figure 5 As shown, to facilitate height adjustment of the expansion box 3, the adjustment assembly includes a built-in threaded block 11, which is fixed to the side of the expansion box 3 away from the first protective door 5. The built-in threaded block 11 is slidably connected to the fixed box 2. A lifting screw 10 is rotatably connected to the inside of the fixed box 2 at a position corresponding to the built-in threaded block 11, and the lifting screw 10 is threadedly connected to the built-in threaded block 11. To facilitate rotation of the lifting screw 10, a transmission worm gear 14 is fixed to the outer side of the lower end of the lifting screw 10. A transmission worm 13 is rotatably connected to the inside of the fixed box 2 at a position corresponding to the transmission worm gear 14, and the transmission worm 13 is meshed with the transmission worm gear 14. One end of the transmission worm 13 extends to the outer side of the protective shell 4. To facilitate rotation of the transmission worm 13, an adjustment rudder 12 is fixed to the end of the transmission worm 13 located on the outer side of the protective shell 4. A fixing rod 9 is provided between the two connecting sliders 8 on the side near the second protective door 6, and the two ends of the fixing rod 9 are fixedly connected to the two connecting sliders 8 respectively.

[0024] When it is necessary to expand the number of batteries, first open the second protective door 6, then rotate the adjusting rudder 12 to drive the transmission worm gear 13 to rotate. When the transmission worm gear 13 rotates, it drives the lifting screw 10 fixed to the transmission worm gear 14 to rotate through the transmission worm wheel 14 meshing with it. When the lifting screw 10 rotates, it can drive the expansion box 3 to move along the axis of the built-in threaded block 11 through the threaded connection with it, thereby raising the expansion box 3. After the expansion box 3 is adjusted to a suitable height, the connecting slider 8 fixed to the mounting plate 7 is moved to the inside of the expansion box 3 through the fixing rod 9 and the connecting groove 26. Then, the connecting slider 8 is limited by the plug-in assembly. After that, the battery is installed on the top of the mounting plate 7. Finally, the second protective door 6 is closed.

[0025] Further, see Figure 6 and Figure 7 As shown, the plug-in assembly includes a connecting rod 15, which is located inside the expansion box 3 and at a position corresponding to the connecting slot 26. The connecting rod 15 is slidably connected to the expansion box 3. To enable the connecting rod 15 to move, a connecting lever 16 is fixed to the lower end of the connecting rod 15. The end of the connecting lever 16 away from the connecting rod 15 extends to the inside of the expansion box 3. The connecting lever 16 is slidably connected to the expansion box 3. To facilitate limiting the connecting slider 8, a limiting block 18 is fixed to the top of the connecting lever 16. A plug-in slot is provided at the position corresponding to the limiting block 18. The limiting block 18 is plugged into the connecting slider 8 through the plug-in slot and is slidably connected to the expansion box 3. To facilitate limiting the connecting rod 15 and the limiting block 18, a telescopic spring 17 is sleeved on the outer side of the end of the connecting rod 15 near the limiting block 18. One end of the telescopic spring 17 is fixedly connected to the limiting block 18, and the other end of the telescopic spring 17 is fixedly connected to the expansion box 3.

[0026] When the connecting slider 8 moves to the inside of the connecting groove 26, the connecting slider 8 will press the limiting block 18, causing the limiting block 18 to move closer to the telescopic spring 17. When the connecting slider 8 moves to the position corresponding to the insertion groove and the limiting block 18, the limiting block 18 will be pushed into the insertion groove under the elastic action of the telescopic spring 17, thereby limiting the connecting slider 8 through the limiting block 18.

[0027] Among them, see Figure 8 and Figure 9As shown, the cable management assembly includes a sliding rod 20, which is positioned on the side of the mounting plate 7 near the first protective door 5. The sliding rod 20 is slidably connected to the mounting plate 7. To facilitate cable securing, a cable clamping ring 19 is fixed to one end of the sliding rod 20 near the first protective door 5. To facilitate positioning of the sliding rod 20, a limit bolt 24 is slidably connected to the outer side of the other end of the sliding rod 20. A limit spring 25 is fixed to one end of the sliding rod 20 near the limit bolt 24, and the limit spring 25 is located away from the sliding rod 20. One end of the sliding rod 20 is fixedly connected to the limiting bolt 24; in order to facilitate longitudinal limiting of the sliding rod 20, a limiting ring 21 is fixed to the outer side of the end of the sliding rod 20 near the clamping ring 19, and the limiting ring 21 is slidably connected to the mounting plate 7; in order to facilitate moving the limiting bolt 24, a connecting ring 22 is fixed to the outer side of the end of the limiting bolt 24 near the sliding rod 20, and an adjusting lever 23 is fixed to the lower end of the connecting ring 22. The lower end of the adjusting lever 23 extends to the outer side of the mounting plate 7, and the adjusting lever 23 is slidably connected to the mounting plate 7.

[0028] When the battery installation is complete and the cables need to be organized, first move the adjusting lever 23 towards the cable clamping ring 19. This causes the adjusting lever 23 to move the limiting bolt 24 via the connecting ring 22. When the limiting bolt 24 moves, it will compress the limiting spring 25. When the limiting bolt 24 moves to the point where it disengages from the limiting groove 27, move the adjusting lever 23 again. This allows the adjusting lever 23 to move the limiting bolt 24, the sliding rod 20, and the cable clamping ring 19 simultaneously via the connecting ring 22. After the cable clamping ring 19 is adjusted to the appropriate position, release the adjusting lever 23. At this point, the limiting bolt 24 will be pushed towards the limiting groove 27 under the elastic action of the limiting spring 25. When the limiting bolt 24 moves to the inside of the limiting groove 27, the sliding rod 20 and the cable clamping ring 19 will be limited. After adjusting multiple cable clamping rings 19 in sequence, the cables will be clamped inside the cable clamping rings 19, thus completing the cable organization.

[0029] In summary, this effectively solves the problem that most existing devices, including the aforementioned patents, require additional batteries to increase energy storage capacity. This often necessitates the use of separate energy storage boxes to house the batteries, which is cumbersome and increases costs. Furthermore, adding additional energy storage devices outdoors occupies extra space, resulting in low space utilization.

[0030] Working principle: When it is necessary to expand the number of batteries, first open the second protective door 6, then rotate the adjusting rudder 12, which drives the transmission worm gear 13 to rotate. When the transmission worm gear 13 rotates, it drives the lifting screw 10 fixed to the transmission worm gear 14 to rotate through the transmission worm wheel 14 meshing with it. When the lifting screw 10 rotates, it drives the expansion box 3 to move along the axial direction of the built-in threaded block 11, thereby raising the expansion box 3. After the expansion box 3 is adjusted to a suitable height, move the connecting slider 8 fixed to the mounting plate 7 to the inside of the expansion box 3 through the fixing rod 9 and the connecting groove 26. Then, limit the connecting slider 8 through the plug-in assembly. After that, install the battery on the top of the mounting plate 7, and finally close the second protective door 6. When the connecting slider 8 moves to the inside of the connecting groove 26, the connecting slider 8 will squeeze the limiting block 18, causing the limiting block 18 to move towards the telescopic spring 17. When the connecting slider 8 moves to the position corresponding to the plug-in groove and the limiting block 18, Under the elastic action of the telescopic spring 17, the limiting block 18 is pushed into the insertion slot, thereby limiting the connecting slider 8 through the limiting block 18; when the battery installation is completed and the cables need to be tidied, first move the adjusting lever 23 towards the direction of the cable clamping ring 19, so that the adjusting lever 23 drives the limiting bolt 24 to move through the connecting ring 22. When the limiting bolt 24 moves, it will squeeze the limiting spring 25. When the limiting bolt 24 moves to the point of disengaging from the limiting slot 27, by moving the adjusting lever 23, the adjusting lever 24 will be able to move. 3. The connecting ring 22 can drive the limit bolt 24, sliding rod 20 and wire clamping ring 19 to move simultaneously. After the wire clamping ring 19 is adjusted to the appropriate position, the adjusting lever 23 is released. At this time, under the elastic action of the limit spring 25, the limit bolt 24 is pushed towards the limit groove 27. When the limit bolt 24 moves to the inside of the limit groove 27, the sliding rod 20 and wire clamping ring 19 can be limited. After adjusting multiple wire clamping rings 19 in sequence, the cable is clamped inside the wire clamping ring 19, and the cable arrangement work is completed.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic power generation and energy storage device that is easy to expand, characterized in that: Includes a fixed base (1), a fixed box (2) fixed to the top of the fixed base (1), an expansion box (3) slidably connected to the outside of the fixed box (2), a protective shell (4) sleeved on the outside of the fixed box (2), the protective shell (4) being fixedly connected to the fixed base (1), the expansion box (3) being slidably connected to the protective shell (4), a first protective door (5) hinged to one side of the expansion box (3), a second protective door (6) hinged to one side of the protective shell (4), and multiple mounting plates (7) evenly arranged on the inner sides of the expansion box (3) and the fixed box (2), the mounting plates (7) being close to... A cable management assembly is provided on one side near the first protective door (5). Both ends of the mounting plate (7) located inside the expansion box (3) are fixed with connecting sliders (8). A connecting groove (26) is provided at the position corresponding to the connecting slider (8) of the expansion box (3). The connecting slider (8) is slidably connected to the expansion box (3) through a limit bolt (24). A plug-in assembly is provided inside the expansion box (3) at the position corresponding to the connecting slider (8). An adjustment assembly is provided inside the fixed box (2) on the side away from the second protective door (6) at the position corresponding to the expansion box (3) for adjusting the height of the expansion box (3).

2. The easily expandable photovoltaic power generation and energy storage device according to claim 1, characterized in that: The adjustment assembly includes a built-in threaded block (11), which is fixed on the side of the expansion box (3) away from the first protective door (5). The built-in threaded block (11) is slidably connected to the fixed box (2). A lifting screw (10) is rotatably connected to the inner side of the fixed box (2) at a position corresponding to the built-in threaded block (11). The lifting screw (10) is threadedly connected to the built-in threaded block (11).

3. The easily expandable photovoltaic power generation and energy storage device according to claim 2, characterized in that: A transmission worm gear (14) is fixed to the outer side of the lower end of the lifting screw (10). A transmission worm (13) is rotatably connected to the inner side of the fixed box (2) at a position corresponding to the transmission worm gear (14). The transmission worm (13) is meshed with the transmission worm gear (14). One end of the transmission worm (13) extends to the outer side of the protective shell (4). An adjusting rudder (12) is fixed to the end of the transmission worm (13) located on the outer side of the protective shell (4).

4. The easily expandable photovoltaic power generation and energy storage device according to claim 1, characterized in that: The plug-in assembly includes a connecting rod (15), which is located inside the expansion box (3) and at a position corresponding to the connecting groove (26). The connecting rod (15) is slidably connected to the expansion box (3). A connecting lever (16) is fixed at the lower end of the connecting rod (15). The end of the connecting lever (16) away from the connecting rod (15) extends to the inside of the expansion box (3). The connecting lever (16) is slidably connected to the expansion box (3). A limit block (18) is fixed at the top of the connecting lever (16). A plug-in groove is provided at the position corresponding to the limit block (18) of the connecting slider (8). The limit block (18) is plugged into the connecting slider (8) through the plug-in groove. The limit block (18) is slidably connected to the expansion box (3).

5. The easily expandable photovoltaic power generation and energy storage device according to claim 4, characterized in that: A telescopic spring (17) is sleeved on the outer side of one end of the connecting rod (15) near the limiting block (18). One end of the telescopic spring (17) is fixedly connected to the limiting block (18), and the other end of the telescopic spring (17) is fixedly connected to the expansion box (3).

6. The easily expandable photovoltaic power generation and energy storage device according to claim 1, characterized in that: A fixing rod (9) is provided between the two connecting sliders (8) on the side near the second protective door (6), and the two ends of the fixing rod (9) are fixedly connected to the two connecting sliders (8) respectively.

7. The easily expandable photovoltaic power generation and energy storage device according to claim 1, characterized in that: The cable management assembly includes a sliding rod (20), which is located on the side of the mounting plate (7) near the first protective door (5). The sliding rod (20) is slidably connected to the mounting plate (7). A cable retaining ring (19) is fixed to one end of the sliding rod (20) near the first protective door (5), and a limit bolt (24) is slidably connected to the other end of the sliding rod (20).

8. A photovoltaic power generation and energy storage device that is easy to expand according to claim 7, characterized in that: A limiting spring (25) is fixed to one end of the sliding rod (20) near the limiting bolt (24), and the end of the limiting spring (25) away from the sliding rod (20) is fixedly connected to the limiting bolt (24).

9. A photovoltaic power generation and energy storage device that is easy to expand according to claim 7, characterized in that: A limiting ring (21) is fixed to the outer side of one end of the sliding rod (20) near the wire clamping ring (19), and the limiting ring (21) is slidably connected to the mounting plate (7).

10. A scalable photovoltaic power generation and energy storage device according to claim 7, characterized in that: The limiting bolt (24) is fixed with a connecting ring (22) on the outer side of one end near the sliding rod (20). The lower end of the connecting ring (22) is fixed with an adjusting lever (23). The lower end of the adjusting lever (23) extends to the outer side of the mounting plate (7). The adjusting lever (23) is slidably connected to the mounting plate (7).

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