Magnetic torque transmission device and nozzle cleaning device

Abstract

The utility model relates to a magnetic torque transmission device and a nozzle cleaning device.The magnetic torque transmission device comprises a driving magnetic disk and a driven magnetic disk, the driving magnetic disk and the driven magnetic disk are opposite in a spaced mode, and the driving magnetic disk and the driven magnetic disk are each provided with a magnetic assembly which can magnetically attract each other and rotate synchronously; the mounting shaft is used for mounting a wiping cloth reel, and the driven magnetic disc is detachably connected to the mounting shaft; the mounting shaft is connected to a mounting shaft support, and the mounting shaft support can drive the mounting shaft to linearly stretch out and draw back in the axial direction of the driving magnetic disk. According to the utility model, the disassembly and assembly efficiency of the wiping cloth reel can be improved through the transmission of magnetic torque.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing equipment, in particular to a magnetic torque transmission device and a nozzle cleaning device. BACKGROUND

[0002] An OLED (Organic Light Emitting Diode) display screen is a device that generates electroluminescence by using a multi-layer organic thin film structure. It is lighter, has high brightness, low power consumption, fast response, high definition, good flexibility, and high luminous efficiency, and can meet the new needs of consumers for display technology.

[0003] In the preparation process of OLED inkjet printing, an inkjet printer forms a pattern on a display screen by ejecting ink droplets from a nozzle head. However, during printing, the nozzle needs to be cleaned frequently to prevent clogging of the nozzle and affect the printing effect, resulting in a decrease in the precision of inkjet printing.

[0004] A common cleaning method includes cleaning the nozzle with a wiping cloth carried by a wiping cloth reel. In existing cleaning operations, the installation shaft for installing the wiping cloth reel needs to be manually disconnected, and then the wiping cloth reel is removed from the disconnected installation shaft.

[0005] The above operation process cannot achieve quick disassembly and replacement of the wiping cloth reel by mechanically disconnecting the installation shaft, which affects efficiency. CONTENT OF THE INVENTION

[0006] The purpose of the present application is to provide a magnetic torque transmission device and a nozzle cleaning device that can improve the disassembly efficiency of the wiping cloth reel through the transmission of magnetic torque.

[0007] To achieve the above purpose, in a first aspect, the present application provides a magnetic torque transmission device, comprising: a driving magnetic disk and a driven magnetic disk, the driving magnetic disk and the driven magnetic disk are opposite in space, and magnetic components capable of being synchronously rotated by magnetic attraction are arranged on the driving magnetic disk and the driven magnetic disk, respectively;

[0008] An installation shaft is used to install a wiping cloth reel, and the driven magnetic disk is detachably connected to the installation shaft.

[0009] The installation shaft is connected to an installation shaft support, and the installation shaft support can drive the installation shaft to linearly expand and contract along the axial direction of the driving magnetic disk.

[0010] In an optional embodiment, the active magnetic disk is fixedly installed on a driving assembly, the driving assembly comprising a stepping motor and an active magnetic disk mounting seat, the active magnetic disk being connected to the front end of the active magnetic disk mounting seat, and the tail end of the active magnetic disk mounting seat being connected to the power output shaft of the stepping motor through a shaft coupling.

[0011] In an optional embodiment, the active magnetic disk is connected to a fixed rack, the fixed rack comprising a mounting seat for mounting the stepping motor and the active magnetic disk mounting seat, and a mounting plate for fixing the mounting seat, and a main bearing being arranged between the active magnetic disk mounting seat and the mounting seat.

[0012] In an optional embodiment, the main bearing comprises a double-row angular contact bearing, the double-row angular contact bearing being fixed to the mounting seat through a main bearing retainer, the main bearing retainer being arranged at the front end of the mounting seat, and a bearing stopper being arranged at the tail end of the main bearing, the bearing stopper being mounted on the active magnetic disk mounting seat.

[0013] In an optional embodiment, the main bearing retainer is arranged corresponding to the outer ring of the main bearing, the outer ring of the main bearing being fastened to the mounting seat through the main bearing retainer; and the bearing stopper is arranged corresponding to the inner ring of the main bearing, the inner ring of the main bearing being fastened to the active magnetic disk mounting seat through the bearing stopper.

[0014] In an optional embodiment, the mounting shaft comprises a mounting outer shaft and a mounting inner shaft which are inserted towards each other, the end of the mounting inner shaft being fixed to the mounting shaft support, two support bearings being arranged at intervals between the mounting outer shaft and the mounting inner shaft, and the mounting outer shaft being rotatable relative to the mounting inner shaft.

[0015] In an optional embodiment, the mounting inner shaft comprises a solid shaft, the mounting outer shaft comprises a hollow shaft, a sleeve being arranged outside the mounting inner shaft, the sleeve being connected between the two support bearings and arranged corresponding to the inner ring of the support bearings, and the mounting inner shaft being fastened to the sleeve and the support bearings through flat head screws at the outer end.

[0016] In an optional embodiment, the inner wall of the mounting outer shaft is clamped and fastened to the outer ring of the support bearings, and a fixing block is arranged at the outer end of the mounting outer shaft.

[0017] The driven magnetic disk is connected to a driven rotating assembly, the driven rotating assembly comprising a driven magnetic disk mounting seat and an adapter seat sleeved at the root of the driven magnetic disk mounting seat, and the driven magnetic disk and the driven rotating assembly being detachably connected to the fixing block.

[0018] In the second aspect, the utility model provides a kind of nozzle cleaning device, including installation base, bottom tray and the magnetic torque transmission device of any one in preceding embodiment, the installation shaft support is fixedly connected on movable installation base, and the installation base is movably arranged on bottom tray.

[0019] In optional embodiment, driving cylinder and linear rail are arranged on the bottom tray, the linear rail extends along the axial direction of the driving disk, and the telescopic rod of the driving cylinder is connected with the installation base.

[0020] By the driving disk and the driven disk oppositely arranged in the air, in combination with the magnetic attraction assembly capable of being magnetically attracted and synchronously rotated arranged on the driving disk and the driven disk, the torque transmission between the driving disk and the driven disk can be maintained, so that the driven disk on the installation shaft can be synchronously rotated with the driving disk, and the wiping cloth reel can be disassembled and assembled on the installation shaft without mechanically disconnecting the installation shaft.

[0021] The driven disk is detachably connected to the installation shaft, which can form the torque transmission of the magnetic torque and fix and limit the wiping cloth reel on the installation shaft, and the driven disk can be detached from the installation shaft to facilitate the replacement of the wiping cloth reel.

[0022] By connecting the installation shaft to the installation shaft support and controlling the linear extension and retraction of the installation shaft support along the axial direction of the driving disk by the necessary linear displacement assembly, the two disks can be released from the magnetic attraction force and the space between the two disks can be enlarged when the retraction force of the installation shaft support is greater than the magnetic attraction force of the magnetic assembly, so that the driven disk can be disassembled and the wiping cloth reel can be replaced.

[0023] The magnetic assembly in the utility model is in the form of permanent magnet, specifically a plurality of permanent magnet blocks are arranged circumferentially and spaced apart on the driving disk or the driven disk, and the permanent magnet blocks at the same position on the oppositely arranged driving disk and driven disk are of different magnetic poles, so that the torque can be stably transmitted through the mutually attracted and synchronously rotated disks.

[0024] By the magnetic torque transmission device in the utility model, the wiping cloth reel can be quickly disassembled and replaced on the installation shaft without mechanically disconnecting the installation shaft, so that the operation efficiency is improved.

[0025] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0027] Figure 1 Structure diagram of the magnetic torque transmission device in the present application;

[0028] Figure 2 Structure diagram of the magnetic torque transmission device in the present application; Figure 1 Structure diagram of the magnetic torque transmission device in the present application;

[0029] Figure 3 Structure diagram of the magnetic torque transmission device in the present application; Figure 2 Structure diagram of the magnetic torque transmission device in the present application;

[0030] Figure 4 Structure diagram of the magnetic torque transmission device in the present application;

[0031] Figure 5 Structure diagram of the magnetic torque transmission device in the present application;

[0032] Figure:

[0033] 1 - driving magnetic disk; 11 - stepping motor; 12 - driving magnetic disk mounting seat; 13 - shaft coupling; 14 - driving bearing;

[0034] 2 - driven magnetic disk; 21 - driven magnetic disk mounting seat; 22 - adapter seat;

[0035] 3 - mounting shaft; 31 - mounting outer shaft; 32 - mounting inner shaft; 33 - support bearing; 34 - sleeve; 35 - flat head screw; 36 - fixed block;

[0036] 4 - mounting shaft support;

[0037] 5 - fixed frame; 51 - mounting seat; 52 - mounting plate; 53 - driving bearing retainer; 54 - bearing retainer block;

[0038] 6 - mounting base; 7 - bottom tray; 8 - driving cylinder; 9 - linear rail. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] In the description of the present application, it should be noted that the terms "in", "out" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The magnetic torque transmission device in the present application mainly carries out quick replacement of the wiping cloth reel on the mounting shaft, and solves the problem that the mounting shaft needs to be mechanically disconnected in the prior art, which affects the disassembly and assembly efficiency, by setting the magnetic disks that can be attracted to each other and synchronously rotate to transmit torque.

[0043] Referring to Figure 1 , and combining Figures 2-3 , the magnetic torque transmission device in the present application comprises: a driving magnetic disk 1 and a driven magnetic disk 2, the driving magnetic disk 1 mainly outputs torque, and the driven magnetic disk 2 synchronously rotates with the driving magnetic disk 1 under the rotation of the driving magnetic disk 1 through the magnetic attraction force.

[0044] The driving magnetic disk 1 and the driven magnetic disk 2 are spaced apart and attracted to each other, and magnetic components capable of being attracted to each other and synchronously rotating are arranged on the driving magnetic disk 1 and the driven magnetic disk 2 respectively, and the magnetic attraction force of mutual attraction is realized by the magnetic attraction components.

[0045] Specifically, the magnetic attraction components specifically include a plurality of strip-shaped permanent magnet blocks arranged on the driving magnetic disk 1 and the driven magnetic disk 2 respectively, further, the permanent magnet blocks are arranged along the circumferential direction of the driving magnetic disk 1 or the driven magnetic disk 2, and the spaced-apart permanent magnet blocks are arranged in the form of different magnetic poles respectively.

[0046] Further, the permanent magnet blocks on the driving disk 1 or the driven disk 2 are fixedly installed on the disk respectively, and on the same disk, the permanent magnet blocks are evenly distributed along the circumferential direction of the disk, and the permanent magnet blocks adjacent in the circumferential direction are permanent magnet blocks with opposite magnetic poles, so that the multiple permanent magnet blocks can be stably and reliably installed on the same disk.

[0047] Meanwhile, on the two disks opposite to each other, when a certain part on the driving disk 1 is provided with an N-pole magnetic permanent magnet block, the two permanent magnet blocks adjacent to the N-pole magnetic permanent magnet block in the circumferential direction of the driving disk 1 are S-pole magnetic permanent magnet blocks. And on the driven disk 2, the permanent magnet blocks opposite to the N-pole magnetic permanent magnet block and the S-pole magnetic permanent magnet block are S-pole magnetic permanent magnet blocks and N-pole magnetic permanent magnet blocks respectively, so that the torque transmission state that the driven disk 2 can rotate synchronously with the driving disk 1 can be formed when the distance between the two disks reaches the relative magnetic attraction condition.

[0048] On the basis of the above two disk structures, the magnetic torque transmission device further comprises a mounting shaft 3 for mounting a wiping cloth reel, and the driven disk 2 is detachably connected to the mounting shaft 3.

[0049] Through the above arrangement, the installation of the wiping cloth reel is facilitated, and the wiping cloth reel can be disassembled in the state that the driven disk 2 is detached from the mounting shaft 3.

[0050] The mounting shaft 3 is connected to a mounting shaft support 4, and the mounting shaft support 4 can drive the mounting shaft 3 and the driven disk 2 to linearly expand and contract along the axial direction of the driving disk 1, so that the driven disk 2 can be retracted and separated from the driving disk 1 by controlling the distance between the two disks, thereby releasing the magnetic attraction between the two disks and providing sufficient disassembly space.

[0051] In one specific embodiment, the driving disk 1 is fixedly installed on a driving assembly, so that the driving assembly can drive the driving disk 1 to rotate.

[0052] The driving assembly comprises a stepping motor 11 and a driving disk mounting seat 12, and the driving disk 1 is connected to the front end of the driving disk mounting seat 12. The stepping motor 11 is mainly used to drive the driving disk mounting seat 12 to rotate, thereby driving the driving disk 1 to rotate through the driving disk mounting seat 12.

[0053] In order to ensure that the driving disk mounting seat 12 can drive the driving disk 1 to rotate synchronously with the synchronous motor, and facilitate the output of the torque of the stepping motor 11, the tail end of the driving disk mounting seat 12 is connected to the power output shaft of the stepping motor 11 through a shaft coupling 13, thereby realizing the input and output of the torque of the synchronous motor.

[0054] From the perspective of facilitating the installation of the driving assembly, the driving disk 1 is rotatably connected to the fixed frame 5, the fixed frame 5 comprises a mounting seat 51 for mounting the stepping motor 11 and the driving disk mounting seat 12, the stepping motor 11 is specifically fixedly mounted on the mounting seat 51, and the driving disk mounting seat 12 is specifically rotatably mounted on the mounting seat 51, and in order to be able to fix the mounting seat 51, the fixed frame 5 further comprises a mounting plate 52 for fixing the mounting seat 51, the mounting plate 52 is vertically arranged and fixed on the overall frame of the nozzle cleaning device.

[0055] In order to realize the rotatable mounting relationship of the driving disk mounting seat 12 on the mounting seat 51, the driving bearing 14 is arranged between the driving disk mounting seat 12 and the mounting seat 51.

[0056] The driving bearing 14 comprises a double-row angular contact bearing, the double-row angular contact bearing can bear a larger radial and axial load and a certain overturning moment, has higher rigidity, can keep high-precision operation, and can keep the stable and reliable rotation of the driving disk mounting seat 12.

[0057] The double-row angular contact bearing is fixed on the mounting seat 51 through a driving bearing retainer 53, the driving bearing retainer 53 is arranged at the front end of the mounting seat 51, the rear end of the driving bearing 14 is provided with a bearing stop block 54, and the bearing stop block 54 is mounted on the driving disk mounting seat 12.

[0058] Through the above arrangement, the driving bearing 14 can be effectively and stably mounted, and the stable rotation of the driving disk mounting seat 12 on the mounting seat 51 can be kept.

[0059] From the perspective of the installation of the driven disk 2, the mounting shaft 3 comprises a mounting outer shaft 31 and a mounting inner shaft 32 which are oppositely inserted, the end of the mounting inner shaft 32 is fixed on the mounting shaft support 4, so that the mounting inner shaft 32 keeps a fixed state, and two support bearings 33 are arranged at intervals between the mounting outer shaft 31 and the mounting inner shaft 32, through the two support bearings 33, on the one hand, the effect of supporting between the mounting inner shaft 32 and the mounting outer shaft 31 can be achieved, and on the other hand, the mounting outer shaft 31 can rotate relative to the mounting inner shaft 32.

[0060] Further specifically, the wiping cloth reel in the utility model is mounted on the mounting outer shaft 31, and the driven disk 2 is specifically arranged on the mounting outer shaft 31 through a driven rotating assembly, so that the driven disk 2 can rotate relative to the fixed mounting inner shaft 32 in the process of rotating with the driving disk 1.

[0061] In order to ensure the reliable installation of the inner shaft 32 and the stable support, the inner shaft 32 is a solid shaft, the outer shaft 31 is a hollow shaft, the sleeve 34 is arranged on the radial outer side of the inner shaft 32, and the support effect between the inner shaft 32 and the outer shaft 31 can be further enhanced.

[0062] The sleeve 34 is connected between the two support bearings 33 and is arranged in correspondence with the inner ring of the support bearing 33, and the sleeve 34 is fixedly connected to the inner shaft 32 by a fastener, so that the inner ring of the support bearing 33 and the sleeve 34 are in a clamping connection, and the sleeve 34, the inner shaft 32 and the inner ring of the support bearing 33 are in a fixed operating state.

[0063] In order to be able to fix the inner shaft 32, the inner shaft 32 is fastened to the sleeve 34 and the support bearing 33 by a flat head screw 35 at the outer end.

[0064] From the rotatable angle of the outer shaft 31, the inner side wall of the outer shaft 31 is clamped and fastened with the outer ring of the support bearing 33, a fixed block 36 is arranged at the outer end of the outer shaft 31, and the fixed block 36 is connected to the port part of the outer shaft 31 by a fastener, which mainly provides a detachable mounting base for the driven rotating assembly.

[0065] Further, the radial inner side of the fixed block 36 is provided with a through hole with an internal thread, and the driven rotating assembly can be fixed to the fixed block 36 at the end of the outer shaft 31 by a fastening screw penetrating the driven rotating assembly and the fixed block 36.

[0066] The driven disk 2 is connected to the driven rotating assembly, and specifically, the driven rotating assembly is in an overall detachable connection relationship with the fixed block 36, so as to facilitate the disassembly of the wiping cloth reel on the outer shaft 31 after the driven rotating assembly is disassembled.

[0067] Further, the driven rotating assembly comprises a driven disk mounting seat 21 and an adapter seat 22 sleeved at the root of the driven disk mounting seat 21, and the driven disk 2 is specifically mounted on the driven disk mounting seat 21, and the driven disk 2 and the driven rotating assembly are detachably connected with the fixed block 36. Through the above arrangement, the driven disk 2 and the driven rotating assembly can be easily disassembled on the outer shaft 31.

[0068] The magnetic torque transmission device in the utility model can overcome the magnetic attraction force in the form of retraction force in the state of retracting the installation shaft support 4, and can release the magnetic attraction force between the driving disk 1 and the driven disk 2, so as to facilitate the disassembly of the wiping cloth reel without mechanically disconnecting the installation shaft 3.

[0069] In combination Figures 4-5, based on the above magnetic torque transmission device, the utility model also provides a shower nozzle cleaning device, including installation base 6, bottom tray 7 and the magnetic torque transmission device of having described above, installation shaft support 4 fixed connection is established in movable installation base 6, installation base 6 is movably arranged on bottom tray 7.

[0070] Further, the bottom tray 7 is provided with a driving cylinder 8 and a linear track 9, the linear track 9 extends along the axial direction of the driving disc 1, and the telescopic rod of the driving cylinder 8 is connected with the installation base 6.

[0071] Under normal operation, after the installation of the wiping cloth reel on the installation shaft 3, the installation base 6, the installation shaft support 4 and the driven disc 2 are driven by the telescopic rod of the driving cylinder 8 to be pushed into the fixed installation driving disc 1, when the magnetic attraction space is reached, the telescopic rod stops pushing and normal cleaning operation is carried out.

[0072] When the wiping cloth reel needs to be replaced, the installation base 6, the installation shaft support 4 and the driven disc 2 are driven by the telescopic rod of the driving cylinder 8 to be linearly retracted to the fixed installation driving disc 1, so that the retraction pulling force overcomes the magnetic attraction force between the two discs, then the wiping cloth reel is reassembled and replaced by disassembling the driven disc 2 and the driven rotating assembly on the installation shaft 3, and after the installation of the driven disc 2 and the driven rotating assembly on the installation shaft 3 is completed, the magnetic attraction is pushed in again.

[0073] The shower nozzle cleaning device of the utility model can improve the operation efficiency to the maximum extent.

[0074] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0075] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A magnetic torque transmission device, characterized by include: An active disk and a passive disk, wherein the active disk and the passive disk are positioned opposite each other in a distance, and magnetic components capable of magnetically attracting each other and rotating synchronously are respectively provided on the active disk and the passive disk; Mounting shaft, the mounting shaft being used to mount a wiping cloth roll, the driven disk being detachably connected to the mounting shaft; The mounting shaft is connected to a mounting shaft bracket, which enables the mounting shaft to extend and retract linearly along the axial direction of the active disk.

2. The magnetic torque transmission device according to claim 1, characterized in that The active disk is fixedly mounted on the drive assembly, which includes a stepper motor and an active disk mounting base. The active disk is connected to the front end of the active disk mounting base, and the rear end of the active disk mounting base is connected to the power output shaft of the stepper motor via a coupling.

3. The magnetic torque transmission device according to claim 2, characterized in that The active disk is connected to a fixed frame, which includes a mounting base for mounting the stepper motor and the active disk mounting base, and a mounting plate for fixing the mounting base. An active bearing is provided between the active disk mounting base and the mounting base.

4. The magnetic torque transmission device according to claim 3, characterized in that The active bearing includes a double-row angular contact bearing, which is fixed to the mounting base by an active bearing retainer ring. The active bearing retainer ring is located at the front end of the mounting base, and a bearing stop is located at the rear end of the active bearing. The bearing stop is mounted on the active disk mounting base.

5. The magnetic torque transmission device according to claim 4, characterized in that The active bearing retaining ring is correspondingly disposed to the outer ring of the active bearing, and the outer ring of the active bearing is fastened to the mounting base through the active bearing retaining ring; the bearing stop is correspondingly disposed to the inner ring of the active bearing, and the inner ring of the active bearing is fastened to the active disk mounting base through the bearing stop.

6. The magnetic torque transfer device of claim 1, wherein The mounting shaft includes an outer mounting shaft and an inner mounting shaft that are inserted into each other. The end of the inner mounting shaft is fixed on the mounting shaft bracket. Two support bearings are provided between the outer mounting shaft and the inner mounting shaft at intervals, and the outer mounting shaft can rotate relative to the inner mounting shaft.

7. The magnetic torque transmission device according to claim 6, characterized in that The mounting inner shaft includes a solid shaft, and the mounting outer shaft includes a hollow shaft. A sleeve is provided on the outer side of the mounting inner shaft. The sleeve is connected between the two support bearings and is corresponding to the inner ring of the support bearings. The mounting inner shaft is fastened to the sleeve and the support bearings by a flat-head screw located at the outer end.

8. The magnetic torque transmission device according to claim 6, characterized in that The inner wall of the mounting outer shaft is fastened to the outer ring of the supporting bearing, and a fixing block is provided at the outer end of the mounting outer shaft; The driven disk is connected to the driven rotating assembly, which includes a driven disk mounting base and an adapter sleeved at the root of the driven disk mounting base. The driven disk and the driven rotating assembly are detachably connected to the fixing block.

9. A showerhead cleaning apparatus, comprising: The device includes a mounting base, a bottom tray, and a magnetic torque transmission device as described in any one of claims 1-8, wherein the mounting shaft bracket is fixedly connected to the movable mounting base, and the mounting base is movably disposed on the bottom tray.

10. The showerhead cleaning apparatus of claim 9, wherein The bottom tray is provided with a driving cylinder and a linear track, the linear track extends along the axial direction of the driving magnetic disc, and the telescopic rod of the driving cylinder is connected with the mounting base.

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