Belt conveying vehicle type switching mechanism

Abstract

The utility model discloses a belt conveying vehicle type switching mechanism, which belongs to the technical field of vehicle type switching mechanisms, and comprises an air cylinder, a piston rod of the air cylinder is connected with a hinge joint, the hinge joint is hinged with a movable connecting block, a first guide groove and a second guide groove are arranged on a first connecting plate, and the first guide groove and the second guide groove are arranged in parallel. The first guide groove is longer than the second guide groove, the first roller and the second roller are connected to the movable connecting block through pin shafts, the first roller rolls along the first guide groove, the second roller rolls along the second guide groove, two limiting bolts are connected to the first connecting plate in a threaded mode, and the two limiting bolts are located at the two ends of the first guide groove respectively. The limiting bolts can abut against the first rolling wheels, a plurality of safety plug pins are arranged on the first connecting plate, the safety plug pins are installed on the first connecting plate and the movable connecting block at the same time and used for fixing the movable connecting block, and the movable connecting block is connected with the conveying assembly. The position and the angle of the belt conveying assembly can be adjusted, so that workpieces of different vehicle types can be conveyed.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle type switching mechanisms, in particular to a vehicle type switching mechanism for belt conveying. Background Technique

[0002] At present, in the process of automobile production, welding hemming is an important link. Die hemming (i.e., press hemming) has been widely used due to its high efficiency, high precision, quality stability, etc. To meet the requirements of flexible production, die hemming realizes multi-vehicle production by switching the die, and the belt conveyor for supporting hemming also needs to meet the requirements of multi-vehicle sharing. When the hemming workpieces are very different and the space is limited, the vehicle type can be switched by changing the position, angle, etc. of the local structure. However, there is a lack of a dedicated vehicle type switching mechanism for belt conveying in the prior art. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a vehicle type switching mechanism for belt conveying, which realizes the conveyance of workpieces of different vehicle types by adjusting the position and angle of the belt conveying assembly.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] A vehicle type switching mechanism for belt conveying includes a frame assembly, a switching assembly and a conveying assembly. The switching assembly is arranged on the frame assembly. The switching assembly includes a first connecting plate, a first roller, a second roller, a movable connecting block, a hinge joint and a cylinder. The first connecting plate is connected to the frame assembly. The cylinder block of the cylinder is connected to the frame assembly. The piston rod of the cylinder is connected to the hinge joint. The hinge joint is hinged to the movable connecting block. A first guiding groove and a second guiding groove are formed on the first connecting plate. The first guiding groove and the second guiding groove are arranged in parallel. The length of the first guiding groove is greater than that of the second guiding groove. The first roller and the second roller are respectively connected to the movable connecting block through pin shafts. The first roller rolls along the first guiding groove. The second roller rolls along the second guiding groove. Two limiting bolts are threadedly connected to the first connecting plate. The two limiting bolts are respectively located at two ends of the first guiding groove. The limiting bolts can abut against the first roller. A plurality of safety pins are arranged on the first connecting plate. The safety pins are installed on the first connecting plate and the movable connecting block at the same time. The safety pins are used to fix the movable connecting block. The movable connecting block is connected to the conveying assembly.

[0006] The beneficial effects of adopting the above technical solution are as follows: Remove the safety bolt from the first connecting plate and the movable connecting block, the piston rod of the cylinder expands and contracts, drives the hinge joint to move, the hinge joint drives the movable connecting block to move, the movable connecting block drives the second roller to roll from one end to the other along the second guide groove. At the same time, it drives the first roller to roll along the first guide groove; according to the predetermined position of the first roller, adjust the installation position of the limit bolt on the first connecting plate, the piston rod of the cylinder continues to expand and contract, which can drive the movable connecting block to rotate, so that the first roller continues to roll along the first guide groove until the first roller abuts against the limit bolt, making the first roller in the predetermined position. Finally, fix the movable connecting block on the first connecting plate through the safety bolt, and the position and angle of the movable connecting block can be switched. The movable connecting block can drive the conveying assembly to switch positions and angles, thereby realizing the conveyance of workpieces of different vehicle models.

[0007] Further, the conveying assembly includes a second L-shaped bracket, a second connecting block, a profile, a second connecting plate, a driving structure, two belt pulleys, a belt and a third connecting plate. The second L-shaped bracket is connected to the movable connecting block, the second connecting block is connected to the second L-shaped bracket, the second L-shaped bracket is connected to the profile, the second connecting plate is connected to the profile, the driving structure is connected to the second connecting plate, the two belt pulleys are connected by the belt, and one of the belt pulleys is connected to the driving structure through a gear shaft, and the other belt pulley is connected to the third connecting plate through a belt pulley shaft.

[0008] The beneficial effects of adopting the above technical solution are as follows: By connecting the second L-shaped bracket to the movable connecting block, the connection between the conveying assembly and the movable connecting block is realized. Through the profile, the fixation of the second connecting block, the second connecting plate and the third connecting plate is realized, and then the installation of the two belt pulleys is realized. The driving mechanism drives one of the belt pulleys to rotate, drives the belt to rotate and the other belt pulley to rotate, so as to realize the conveyance of the workpiece on the belt.

[0009] Further, the second L-shaped bracket is connected to the movable connecting block through a pin shaft, and an arc-shaped groove is formed on the movable connecting block, and the arc-shaped groove is used to adjust the installation angle of the second L-shaped bracket on the movable connecting block.

[0010] The beneficial effects of adopting the above technical solution are as follows: By moving the connecting piece between the second L-shaped bracket and the movable connecting block along the arc-shaped groove, the relative position between the second L-shaped bracket and the movable connecting block can be adjusted, that is, the installation angle of the second L-shaped bracket on the movable connecting block can be adjusted, and then the conveying angle of the belt can be adjusted.

[0011] Further, an adjustment groove is formed on the second L-shaped bracket, and the adjustment groove is used to adjust the installation position of the second connecting block on the second L-shaped bracket.

[0012] The beneficial effects of adopting the above technical solution are as follows. By lifting the connecting member between the L-shaped bracket II and the connecting block II along the adjustment groove, the installation height of the connecting block II on the L-shaped bracket II can be adjusted, and further, the conveying height of the belt can be adjusted.

[0013] Further, the conveying assembly further includes a connecting block III and a tensioning wheel. The connecting block III is movably installed on the profile, the tensioning wheel is rotatably connected to the connecting block III, and the tensioning wheel can be in contact with the belt.

[0014] The beneficial effects of adopting the above technical solution are as follows. When the belt becomes loose after long-term use, by adjusting the installation position of the connecting block III on the profile, the position of the tensioning wheel can be adjusted to make the tensioning wheel in contact with the belt, thereby increasing the friction between the belt and the pulley.

[0015] Further, an adjustment hole is provided on the connecting block III, and the adjustment hole is used to adjust the installation position of the connecting block III on the profile.

[0016] The beneficial effects of adopting the above technical solution are as follows. By lifting the connecting member between the connecting block III and the profile along the adjustment hole, the installation height of the connecting block III on the profile can be adjusted, and further, the height of the tensioning wheel can be adjusted to achieve the tensioning effect of the tensioning wheel.

[0017] Further, the driving structure includes a motor, a gear I, a gear II, and a mounting plate. The motor is installed on the mounting plate, the mounting plate is connected to the connecting plate II, the output shaft of the motor is connected to the gear I, the gear I meshes with the gear II, the gear II is connected to the gear shaft, and the gear I and the gear II are located inside the mounting plate.

[0018] The beneficial effects of adopting the above technical solution are as follows. When the motor is started, the output shaft of the motor rotates, driving the gear I to rotate. The gear I drives the meshing gear II to rotate, the gear II drives the gear shaft to rotate, and the gear shaft drives the pulley connected thereto to rotate, thereby realizing the rotation of the other pulley and the rotation of the belt, and finally realizing the conveyance of the workpiece.

[0019] Further, the gear shaft is installed on the connecting plate II and the mounting plate through bearings.

[0020] The beneficial effects of adopting the above technical solution are as follows. The bearings can effectively reduce friction, ensure the rotation of the gear shaft is more stable, not only extend the service life but also reduce the additional energy consumption caused by friction.

[0021] Further, the frame assembly includes a frame, a welding bracket I, and a welding bracket II. The frame is connected to the welding bracket I, and the welding bracket I is connected to the welding bracket II.

[0022] The beneficial effects of adopting the above technical solution are that a frame assembly can be formed by sequentially connecting a frame, a welding bracket one, and a welding bracket two.

[0023] Further, the switching component further includes an L-shaped bracket one and a connecting block one that are connected. The L-shaped bracket one is connected to the welding bracket two, the connecting plate one is connected to the welding bracket one, and the connecting block one is connected to the cylinder block of the cylinder.

[0024] The beneficial effects of adopting the above technical solution are that the cylinder block of the cylinder is connected to the L-shaped bracket one through the connecting block one. Through the connection between the L-shaped bracket one and the welding bracket two, and the connection between the connecting plate one and the welding bracket one, the connection between the switching component and the frame assembly is realized. Description of the Drawings

[0025] Figure 1 It is a schematic diagram of the overall structure of the present utility model when the roller two is in the lowest position;

[0026] Figure 2 It is a schematic diagram of the overall structure of the present utility model when the roller two is in the highest position;

[0027] Figure 3 It is a schematic diagram of the overall structure of the frame assembly of the present utility model;

[0028] Figure 4 It is a schematic diagram of the overall structure of the switching component of the present utility model;

[0029] Figure 5 It is a schematic diagram of the overall structure of the conveying component of the present utility model Figure 1 ;

[0030] Figure 6 It is a schematic diagram of the overall structure of the conveying component of the present utility model Figure 2 。

[0031] Description of the Reference Numerals: 1. Frame; 2. Welding Bracket One; 3. Welding Bracket Two; 4. Frame Assembly; 5. Switching Component; 6. Connecting Plate One; 61. Guide Groove One; 62. Guide Groove Two; 63. Mounting Hole; 7. Roller One; 8. Roller Two; 9. Movable Connecting Block; 91. Arc-shaped Groove; 10. Pin Shaft; 11. Hinge Joint; 12. Piston Rod; 13. Cylinder Block; 14. L-shaped Bracket One; 15. Connecting Block One; 16. Limit Bolt; 17. Safety Plug Pin; 18. Cylinder; 19. Driving Structure; 20. Conveying Component; 21. L-shaped Bracket Two; 211. Adjusting Groove; 22. Connecting Block Two; 23. Profile; 24. Connecting Plate Two; 25. Gear One; 26. Gear Two; 27. Gear Shaft; 28. Bearing; 29. Motor; 30. Belt Pulley; 31. Belt; 32. Connecting Block Three; 321. Adjusting Hole; 33. Tensioning Pulley; 34. Connecting Plate Three; 35. Belt Pulley Shaft; 36. Mounting Plate. Specific embodiments

[0032] The following combines the appended Figures 1-6 The principles and features of the present utility model will be described. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0033] An embodiment of the present utility model discloses a vehicle type switching mechanism for belt conveying.

[0034] Referring to Figures 1-6 , a vehicle type switching mechanism for belt conveying includes a frame assembly 4, a switching assembly 5, and a conveying assembly 20. The switching assembly 5 is arranged on the frame assembly 4, and the conveying assembly 20 is arranged on the switching assembly 5. Through the switching assembly 5, the position and angle of the conveying assembly 20 can be switched, thereby realizing the conveyance of workpieces of different vehicle types.

[0035] The frame assembly 4 includes a frame 1, two groups of welding brackets one 2, and two groups of welding brackets two 3. The frame 1 is welded to the welding brackets one 2, and the two groups of welding brackets one 2 are respectively located at both ends of the frame 1. The welding brackets one 2 are welded to the welding brackets two 3. By sequentially welding the frame 1, the welding brackets one 2, and the welding brackets two 3, the frame assembly 4 can be formed.

[0036] There are two groups of the switching assembly 5, which respectively correspond to the two groups of welding brackets one 2, that is, respectively correspond to the two groups of welding brackets two 3. Both ends of the conveying assembly 20 are respectively connected to the two groups of switching assembly 5. By synchronously operating the two groups of switching assembly 5, the position and angle of the conveying assembly 20 can be switched.

[0037] The switching assembly 5 includes an L-shaped bracket one 14 and a connecting plate one 6. The L-shaped bracket one 14 is connected to the welding bracket two 3, and the connecting plate one 6 is connected to the welding bracket one 2, thereby realizing the connection between the switching assembly 5 and the frame assembly 4.

[0038] The switching component 5 includes a first roller 7, a second roller 8, a movable connection block 9, a hinge joint 11, a cylinder 18, and a first connection block 15. The first connection block 15 is connected to the first L-shaped bracket 14, and the first connection block 15 is connected to the cylinder block 13 of the cylinder 18. The piston rod 12 of the cylinder 18 is connected to the hinge joint 11, and the hinge joint 11 is hinged to the movable connection block 9. A first guide groove 61 and a second guide groove 62 are formed in the first connection plate 6. Both the first guide groove 61 and the second guide groove 62 are inclined along the first connection plate 6, and the first guide groove 61 and the second guide groove 62 are arranged in parallel. The length of the first guide groove 61 is greater than the length of the second guide groove 62. The first roller 7 and the second roller 8 are respectively connected to the movable connection block 9 through a pin shaft 10. The first roller 7 rolls along the first guide groove 61, and the second roller 8 rolls along the second guide groove 62. Two limit bolts 16 are threadedly connected to the first connection plate 6. The two limit bolts 16 are respectively located at both ends of the first guide groove 61, and the limit bolts 16 can abut against the first roller 7. Two safety pins 17 are provided on the first connection plate 6. The safety pins 17 are installed on both the first connection plate 6 and the movable connection block 9 at the same time. The safety pins 17 are used to fix the movable connection block 9, and the movable connection block 9 is connected to the conveying component 20. Specifically, at least four mounting holes 63 for installing the safety pins 17 are formed in the first connection plate 6. The four mounting holes 63 are grouped in pairs, and the two groups of mounting holes 63 respectively correspond to two fixed positions of the movable connection block 9.

[0039] During the switching process, the safety pins 17 are removed from the first connection plate 6 and the movable connection block 9. The piston rod 12 of the cylinder 18 expands and contracts, driving the hinge joint 11 to move. The hinge joint 11 drives the movable connection block 9 to move. The movable connection block 9 drives the second roller 8 to roll from one end to the other end along the second guide groove 62. At the same time, it drives the first roller 7 to roll along the first guide groove 61. According to the predetermined position of the first roller 7, the installation position of the limit bolt 16 on the first connection plate 6 is adjusted. The piston rod 12 of the cylinder 18 continues to expand and contract, which can drive the movable connection block 9 to rotate, so that the first roller 7 continues to roll along the first guide groove 61 until the first roller 7 abuts against the limit bolt 16, making the first roller 7 in the predetermined position. Finally, the movable connection block 9 is fixed on the first connection plate 6 through the safety pins 17, and the position and angle of the movable connection block 9 can be switched. The movable connection block 9 can drive the conveying component 20 to perform position and angle switching, thereby realizing the conveyance of workpieces of different vehicle models.

[0040] The conveying component 20 includes a second L-shaped bracket 21, a second connection block 22, a profile 23, a second connection plate 24, a driving structure 19, two belt pulleys 30, a belt 31, and a third connection plate 34. The second L-shaped bracket 21 is connected to the movable connection block 9, realizing the connection between the conveying component 20 and the movable connection block 9.

[0041] The second connecting block 22 is connected to the second L-shaped bracket 21, the second L-shaped bracket 21 is connected to the profile 23, the second connecting plate 24 is connected to the profile 23, and the driving structure 19 is connected to the second connecting plate 24. The two pulleys 30 are connected by a belt 31. One of the pulleys 30 is connected to the driving structure 19 through a gear shaft 27, and the other pulley 30 is connected to the third connecting plate 34 through a pulley shaft 35. The profile 23 realizes the fixation of the second connecting block 22, the second connecting plate 24 and the third connecting plate 34, and further realizes the installation of the two pulleys 30. The driving mechanism drives one of the pulleys 30 to rotate, drives the belt 31 to rotate and the other pulley 30 to rotate, so as to realize the transmission of the workpiece on the belt 31.

[0042] The driving structure 19 includes a motor 29, a first gear 25, a second gear 26 and a mounting plate 36. The motor 29 is mounted on the mounting plate 36, and the mounting plate 36 is connected to the second connecting plate 24. The output shaft of the motor 29 is connected to the first gear 25. The first gear 25 meshes with the second gear 26, and the second gear 26 is connected to the gear shaft 27. The first gear 25 and the second gear 26 are located inside the mounting plate 36. Specifically, by starting the motor 29, the output shaft of the motor 29 rotates, driving the first gear 25 to rotate. The first gear 25 drives the meshing second gear 26 to rotate. The second gear 26 drives the gear shaft 27 to rotate. The gear shaft 27 drives the connected pulley 30 to rotate, and further realizes the rotation of the other pulley 30 and the rotation of the belt 31, and finally realizes the transmission of the workpiece.

[0043] The gear shaft 27 is mounted on the second connecting plate 24 and the mounting plate 36 through bearings 28. The bearings 28 can effectively reduce friction, ensure the rotation of the gear shaft 27 is more stable, not only prolongs the service life, but also reduces the additional energy consumption caused by friction.

[0044] The second L-shaped bracket 21 is connected to the movable connecting block 9 through a pin shaft 10. An arc-shaped groove 91 is formed on the movable connecting block 9, and the arc-shaped groove 91 is used to adjust the installation angle of the second L-shaped bracket 21 on the movable connecting block 9. Specifically, by moving the connecting piece between the second L-shaped bracket 21 and the movable connecting block 9 along the arc-shaped groove 91, the relative position of the second L-shaped bracket 21 and the movable connecting block 9 can be adjusted, that is, the installation angle of the second L-shaped bracket 21 on the movable connecting block 9 can be adjusted, and further the conveying angle of the belt 31 can be adjusted.

[0045] An adjustment groove 211 is formed in the second L-shaped bracket 21. The adjustment groove 211 is a kidney-shaped groove, and the adjustment groove 211 is used to adjust the installation position of the second connecting block 22 on the second L-shaped bracket 21. Specifically, by raising and lowering the connecting member between the second L-shaped bracket 21 and the second connecting block 22 along the adjustment groove 211, the installation height of the second connecting block 22 on the second L-shaped bracket 21 can be adjusted, and further the conveying height of the belt 31 can be adjusted.

[0046] The conveying assembly 20 further includes a third connecting block 32 and a tensioning wheel 33. The third connecting block 32 is movably installed on the profile 23, the tensioning wheel 33 is rotatably connected to the third connecting block 32, and the tensioning wheel 33 can be in contact with the belt 31. Specifically, when the belt 31 becomes loose after long-term use, by adjusting the installation position of the third connecting block 32 on the profile 23, the position of the tensioning wheel 33 can be adjusted to make the tensioning wheel 33 in contact with the belt 31, thereby increasing the friction between the belt 31 and the pulley 30.

[0047] An adjustment hole 321 is formed in the third connecting block 32. The adjustment hole 321 is a kidney-shaped hole, and the adjustment hole 321 is used to adjust the installation position of the third connecting block 32 on the profile 23. Specifically, by raising and lowering the connecting member between the third connecting block 32 and the profile 23 along the adjustment hole 321, the installation height of the third connecting block 32 on the profile 23 can be adjusted, and further the height of the tensioning wheel 33 can be adjusted to realize the tensioning function of the tensioning wheel 33.

[0048] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle type switching mechanism for belt conveyor, characterized in that: The invention comprises a frame assembly (4), a switching assembly (5) and a conveying assembly (20), wherein the switching assembly (5) is arranged on the frame assembly (4), the switching assembly (5) comprises a connecting plate 1 (6), a roller 1 (7), a roller 2 (8), a movable connecting block (9), a hinged joint (11) and a cylinder (18), wherein the connecting plate 1 (6) is connected to the frame assembly (4), the cylinder body (13) of the cylinder (18) is connected to the frame assembly (4), the piston rod (12) of the cylinder (18) is connected to the hinged joint (11), the hinged joint (11) is hinged to the movable connecting block (9), the connecting plate 1 (6) is provided with a guide groove 1 (61) and a guide groove 2 (62), the guide groove 1 (61) and the guide groove 2 (62) are arranged in parallel, and the length of the guide groove 1 (61) is greater than that of the guide groove 1 (61). The length of the guide groove 1 (62) is such that the roller 1 (7) and the roller 2 (8) are respectively connected to the movable connection block (9) through a pin shaft (10); the roller 1 (7) rolls along the guide groove 1 (61); the roller 2 (8) rolls along the guide groove 2 (62); two limit bolts (16) are threadedly connected to the connecting plate 1 (6); the two limit bolts (16) are respectively located at the two ends of the guide groove 1 (61); the limit bolts (16) can abut against the roller 1 (7); a plurality of safety pins (17) are provided on the connecting plate 1 (6); the safety pins (17) are simultaneously installed on the connecting plate 1 (6) and the movable connection block (9); the safety pins (17) are used to fix the movable connection block (9); and the movable connection block (9) is connected to the conveying assembly (20).

2. A vehicle type switching mechanism for belt conveyor according to claim 1, characterized in that: The conveying assembly (20) comprises an L-shaped bracket (21), a connecting block (22), a profile (23), a connecting plate (24), a driving structure (19), two pulleys (30), a belt (31) and a connecting plate (34); the L-shaped bracket (21) is connected to the movable connecting block (9); the connecting block (22) is connected to the L-shaped bracket (21); the L-shaped bracket (21) is connected to the profile (23); the connecting plate (24) is connected to the profile (23); the driving structure (19) is connected to the connecting plate (24); the two pulleys (30) are connected via a belt (31); one of the pulleys (30) is connected to the driving structure (19) via a gear shaft (27); and the other pulley (30) is connected to the connecting plate (34) via a pulley shaft (35).

3. A vehicle type switching mechanism for belt conveyor according to claim 2, characterized in that: The second L-shaped bracket (21) is connected to the movable connection block (9) via a pin shaft (10); an arc-shaped groove (91) is provided on the movable connection block (9); and the arc-shaped groove (91) is used to adjust the installation angle of the second L-shaped bracket (21) on the movable connection block (9).

4. A vehicle type switching mechanism for belt conveyor according to claim 2, characterized in that: The second L-shaped bracket (21) is provided with an adjustment groove (211), and the adjustment groove (211) is used to adjust the installation position of the second connecting block (22) on the second L-shaped bracket (21).

5. A vehicle type switching mechanism for belt conveyor according to claim 2, characterized in that: The conveying assembly (20) further comprises a connecting block three (32) and a tensioning wheel (33), wherein the connecting block three (32) is movably mounted on the profile (23), and the tensioning wheel (33) is rotatably connected to the connecting block three (32), and the tensioning wheel (33) can abut against the belt (31).

6. A vehicle type switching mechanism for belt conveyor according to claim 5, characterized in that: The connection block three (32) is provided with an adjustment hole (321), and the adjustment hole (321) is used to adjust the installation position of the connection block three (32) on the profile (23).

7. A vehicle type switching mechanism for belt conveyor according to claim 2, characterized in that: The driving structure (19) comprises a motor (29), a gear 1 (25), a gear 2 (26) and a mounting plate (36); the motor (29) is mounted on the mounting plate (36); the mounting plate (36) is connected to the connecting plate 2 (24); the output shaft of the motor (29) is connected to the gear 1 (25); the gear 1 (25) is meshed with the gear 2 (26); the gear 2 (26) is connected to the gear shaft (27); and the gear 1 (25) and the gear 2 (26) are located inside the mounting plate (36).

8. A vehicle type switching mechanism for belt conveyor according to claim 7, characterized in that: The gear shaft (27) is mounted on the second connecting plate (24) and the mounting plate (36) via a bearing (28).

9. The vehicle type switching mechanism for belt conveyor according to claim 1, characterized in that: The frame assembly (4) comprises a frame (1), a welding bracket one (2) and a welding bracket two (3); the frame (1) is connected to the welding bracket one (2), and the welding bracket one (2) is connected to the welding bracket two (3).

10. A vehicle type switching mechanism for belt conveyor according to claim 9, characterized in that: The switching assembly (5) further comprises an L-shaped bracket (14) and a connecting block (15) connected to each other, wherein the L-shaped bracket (14) is connected to the welding bracket (3), the connecting plate (6) is connected to the welding bracket (2), and the connecting block (15) is connected to the cylinder body (13) of the cylinder (18).

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