Passive precision RCM device

Abstract

The invention discloses passive precision RCM equipment which comprises a passive precision RCM equipment body, a bottom plate is arranged on the passive precision RCM equipment body, the lower end of the bottom plate is in contact with a mounting plate, a sliding groove is formed in the mounting plate, a sliding block is slidably connected into the sliding groove, a sliding groove is formed in the mounting plate, and the sliding block is slidably connected into the sliding groove. A sliding block is slidably connected to the interior of the sliding groove, a sliding plate is fixedly connected to the outer side of the sliding block, the sliding plate is slidably connected with the sliding groove, a connecting plate is fixedly connected to the upper end of the sliding plate, a first fixing block is fixedly connected to the upper end of the connecting plate, and a pull block is fixedly connected to the upper end of the first fixing block; a guide rod is slidably connected into the sliding plate, a spring is arranged on the outer side of the guide rod, one end of the spring is fixedly connected with the sliding plate, and the other end of the spring is fixedly connected with the bottom plate. The invention relates to a passive precise RCM device which has the advantage of being convenient to install.

Description

Technical Field

[0001] The invention belongs to the technical field of passive precision RCM equipment, in particular to passive precision RCM equipment. Background Art

[0002] Passive precision RCM equipment is commonly used in industrial equipment, medical, mechanical equipment, electronic equipment and other fields, and can help companies improve the reliability and operating efficiency of equipment. The complexity and diversity of minimally invasive surgery require that the equipment has high flexibility and adaptability to meet the needs of different surgeries. RCM (Remote Center of Motion) technology can provide high-precision motion control around a fixed point. In the prior art, when the device is in use, it is necessary to use external tools to rotate and install the device, which makes the device inconvenient to install. Therefore, there is a need to improve the prior art. Summary of the invention

[0003] The purpose of the present invention is to provide a passive precision RCM device in order to solve the above problems, thereby solving the problems mentioned in the background technology.

[0004] In order to solve the above problems, the present invention provides a technical solution:

[0005] A passive precision RCM device comprises a passive precision RCM device body, wherein a bottom plate is arranged on the passive precision RCM device body, the lower end of the bottom plate contacts a mounting plate, a slide groove is provided inside the mounting plate, a slider is slidably connected inside the slide groove, a sliding groove is provided inside the mounting plate, a slider is slidably connected inside the sliding groove, a sliding plate is fixedly connected to the outer side of the slider, the sliding plate is slidably connected to the sliding groove, a connecting plate is fixedly connected to the upper end of the sliding plate, a first fixing block is fixedly connected to the upper end of the connecting plate, a pulling block is fixedly connected to the upper end of the first fixing block, a guide rod is slidably connected to the inner side of the sliding plate, and the outer side of the guide rod A spring is arranged on the side, one end of the spring is fixedly connected to the sliding plate, the other end of the spring is fixedly connected to the bottom plate, the bottom plate is fixedly connected to the guide rod, a groove is arranged inside the sliding plate, the inside of the sliding plate contacts with a connecting rod, the inside of the connecting plate contacts with a connecting rod, the upper end of the connecting rod is fixedly connected with a pressure block, the lower end of the connecting rod is fixedly connected with a pressure rod, the pressure rod contacts the sliding plate, an oil inlet is arranged inside the sliding plate, an oil filling port is arranged inside the sliding plate, the inside of the oil filling port contacts with a cover body, a first card slot is arranged inside the sliding plate, the bottom plate is slidably connected with the sliding plate, and a dustproof mechanism is arranged on the bottom plate. By pulling the slider, after the slider moves to the specified position, the moving bottom plate drives the passive precision RCM equipment body and the slider and other components to move to the specified position on the mounting plate, and then moves the slider into the slide slot, so that the passive precision RCM equipment body and other components are limited, making the device easy to install.

[0006] Preferably, a ball is disposed inside the groove, and the ball is in contact with the guide rod. By designing the ball, the friction between the guide rod and the sliding plate can be reduced.

[0007] Preferably, a sealing sleeve is fixedly sleeved inside the sliding plate, and the sealing sleeve is in contact with the guide rod. By designing the sealing sleeve, the sliding plate can be sealed.

[0008] Preferably, the interior of the sliding plate is in contact with a storage sponge, and the upper end of the storage sponge is in contact with a pressure rod. The storage sponge is designed to store lubricating oil.

[0009] Preferably, an elastic card block is clamped inside the first clamping slot, and the elastic card block is fixedly connected to the cover body. The cover body can be limited by designing the elastic card block.

[0010] Preferably, the dustproof mechanism comprises a connecting sleeve, the upper end of the base plate contacts with the connecting sleeve, a telescopic sleeve is arranged inside the connecting sleeve, a sliding plate is contacted inside the telescopic sleeve, the upper end of the base plate contacts with the telescopic sleeve, the upper end of the connecting sleeve is fixedly connected with a handle, the outer side of the connecting sleeve is fixedly connected with a connecting block, the connecting block contacts with the base plate, a screw is movably connected inside the connecting block, the base plate is threadedly connected with a screw, the upper end of the screw is fixedly connected with a rotating block, the upper end of the rotating block is fixedly connected with a second fixed block, the upper end of the second fixed block is fixedly connected with a rotating ring, the outer side of the screw contacts with an annular pad, the annular pad contacts with the connecting block, a second slot is provided inside the screw, a block is slidably connected inside the second slot, a guide groove is provided inside the block, a sliding block is slidably connected inside the connecting block, the connecting block is fixedly connected to the block, an elastic sponge is arranged inside the connecting block, and the connecting block is slidably connected to the block. By moving the screw rod from the connecting block to contact the bottom plate, and then installing the screw rod inside the bottom plate, the telescopic sleeve and other components are limited, thereby making the inside of the bottom plate dustproof and preventing dust from accumulating inside the bottom plate.

[0011] Preferably, a guide rod is slidably connected inside the guide groove, and the guide rod is fixedly connected to the connecting block. By designing the guide rod, the block can be guided.

[0012] Preferably, one end of the elastic sponge is fixedly connected to the sliding block, and the other end of the elastic sponge is fixedly connected to the connecting block. By designing the elastic sponge, the sliding block has an elastic effect.

[0013] The beneficial effects of the present invention are as follows: the present invention relates to a passive precision RCM device, which has the characteristic of being easy to install. In specific use, compared with the prior art, it has the following two beneficial effects:

[0014] First, the moving screw is inserted from the connecting block to contact the bottom plate, and then the screw is installed inside the bottom plate, so that the telescopic sleeve and other components are limited, thereby making the inside of the bottom plate dustproof and preventing dust from accumulating inside the bottom plate.

[0015] Secondly, pull the slider, and after the slider moves to the specified position, the mobile base plate drives the passive precision RCM equipment body and the slider and other components to move to the specified position on the mounting plate, and then moves the slider into the slide groove, thereby limiting the passive precision RCM equipment body and other components, making the device easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0017] Figure 1 The passive precision RCM device of the present invention is schematically shown in the main structure. Figure 1 ;

[0018] Figure 2 The passive precision RCM device of the present invention is schematically shown in the main structure. Figure 2 ;

[0019] Figure 3 It is a front cross-sectional view of the overall structure of the present invention;

[0020] Figure 4 For the present invention Figure 3 The slider of the zoomed image;

[0021] Figure 5 For the present invention Figure 4 A magnified view of the sliding plate;

[0022] Figure 6 For the present invention Figure 5 A magnified image of point A;

[0023] Figure 7 For the present invention Figure 4 Magnified view of the screw;

[0024] Figure 8 For the present invention Figure 7 Enlarged view of point B.

[0025] In the figure: 1. Passive precision RCM equipment body; 2. Bottom plate; 3. Mounting plate; 4. Slide groove; 5. Sliding block; 6. Sliding groove; 7. Sliding plate; 8. Connecting plate; 9. First fixing block; 10. Pulling block; 11. Guide rod; 12. Spring; 13. Groove; 14. Ball bearing; 15. Sealing sleeve; 16. Storage sponge; 17. Connecting rod; 18. Pressing block; 19. Pressing rod; 20. Oil inlet; 21. Oil filling port; 22. Cover; 2 3. First card slot; 24. Elastic card block; 25. Dust-proof mechanism; 251. Connecting sleeve; 252. Telescopic sleeve; 253. Handle; 254. Connecting block; 255. Screw rod; 256. Rotating block; 257. Second fixed block; 258. Rotating ring; 259. Ring pad; 2510. Second card slot; 2511. Card block; 2512. Guide groove; 2513. Guide rod; 2514. Sliding block; 2515. Elastic sponge. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 8 As shown, the specific implementation of the present invention adopts the following technical solutions:

[0027] Example:

[0028] The passive precision RCM device comprises a passive precision RCM device body 1, wherein a bottom plate 2 is arranged on the passive precision RCM device body 1, wherein the lower end of the bottom plate 2 contacts a mounting plate 3, wherein a slide groove 4 is provided inside the mounting plate 3, wherein a slider 5 is slidably connected inside the slide groove 4, wherein a slide groove 6 is provided inside the mounting plate 3, wherein the slider 5 is slidably connected inside the slide groove 6, wherein a slide plate 7 is fixedly connected to the outer side of the slider 5, wherein the slide plate 7 is slidably connected to the slide groove 6, wherein the upper end of the slide plate 7 is fixedly connected to a connecting plate 8, wherein the upper end of the connecting plate 8 is fixedly connected to a first fixing block 9, wherein the upper end of the first fixing block 9 A pull block 10 is fixedly connected, a guide rod 11 is slidably connected inside the sliding plate 7, a spring 12 is arranged on the outside of the guide rod 11, one end of the spring 12 is fixedly connected to the sliding plate 7, the other end of the spring 12 is fixedly connected to the bottom plate 2, the bottom plate 2 is fixedly connected to the guide rod 11, a groove 13 is opened inside the sliding plate 7, a ball 14 is arranged inside the groove 13, the ball 14 is in contact with the guide rod 11, and the friction between the guide rod 11 and the sliding plate 7 can be reduced by designing the ball 14, a sealing sleeve 15 is fixedly sleeved inside the sliding plate 7, the sealing sleeve 15 is in contact with the guide rod 11, and the sealing sleeve is designed 15, the sliding plate 7 can be sealed, the interior of the sliding plate 7 is in contact with a storage sponge 16, the upper end of the storage sponge 16 is in contact with a pressure rod 19, and the storage sponge 16 is designed to store lubricating oil, the interior of the sliding plate 7 is in contact with a connecting rod 17, the interior of the connecting plate 8 is in contact with the connecting rod 17, the upper end of the connecting rod 17 is fixedly connected to a pressure block 18, the lower end of the connecting rod 17 is fixedly connected to a pressure rod 19, and the pressure rod 19 is in contact with the sliding plate 7, the interior of the sliding plate 7 is provided with an oil inlet 20, the interior of the sliding plate 7 is provided with an oil filling port 21, and the interior of the oil filling port 21 is in contact with a cover body 22, A first card slot 23 is provided inside the sliding plate 7, and an elastic card block 24 is clamped inside the first card slot 23. The elastic card block 24 is fixedly connected to the cover body 22. By designing the elastic card block 24, the cover body 22 can be limited. The bottom plate 2 is slidably connected to the sliding plate 7. A dustproof mechanism 25 is provided on the bottom plate 2. By pulling the slider 5, after the slider 5 moves to the specified position, the moving bottom plate 2 drives the passive precision RCM equipment body 1 and the slider 5 and other components to move to the specified position on the mounting plate 3, and then the slider 5 is moved to the slide groove 4, so that the passive precision RCM equipment body 1 and other components are limited, so that the device is easy to install.

[0029] The dustproof mechanism 25 comprises a connecting sleeve 251, the upper end of the bottom plate 2 is in contact with the connecting sleeve 251, a telescopic sleeve 252 is arranged inside the connecting sleeve 251, the inside of the telescopic sleeve 252 is in contact with the sliding plate 7, the upper end of the bottom plate 2 is in contact with the telescopic sleeve 252, the upper end of the connecting sleeve 251 is fixedly connected with a handle 253, the outer side of the connecting sleeve 251 is fixedly connected with a connecting block 254, the connecting block 254 is in contact with the bottom plate 2, the inside of the connecting block 254 is movably connected with a screw 255, the inside of the bottom plate 2 is threadedly connected with the screw 255, the upper end of the screw 255 is fixedly connected with a rotating block 256, the rotating The upper end of the movable block 256 is fixedly connected to a second fixed block 257, and the upper end of the second fixed block 257 is fixedly connected to a rotating ring 258. The outer side of the screw rod 255 contacts with an annular pad 259, and the annular pad 259 contacts with the connecting block 254. A second slot 2510 is provided inside the screw rod 255, and a block 2511 is slidably connected inside the second slot 2510. A guide groove 2512 is provided inside the block 2511, and a guide rod 2513 is slidably connected inside the guide groove 2512. The guide rod 2513 is fixedly connected to the connecting block 254. By designing the guide rod 2513, the block 2511 can be guided.

[0030] Among them, the connecting block 254 is internally slidably connected with a sliding block 2514, and the connecting block 254 is fixedly connected to the clamping block 2511. An elastic sponge 2515 is arranged inside the connecting block 254, and one end of the elastic sponge 2515 is fixedly connected to the sliding block 2514, and the other end of the elastic sponge 2515 is fixedly connected to the connecting block 254. By designing the elastic sponge 2515, the sliding block 2514 has an elastic force, and the connecting block 254 is slidably connected to the clamping block 2511. The screw 255 is inserted from the connecting block 254 to contact the bottom plate 2, and then the screw 255 is installed inside the bottom plate 2, so that the components such as the telescopic sleeve 252 are limited, so that the inside of the bottom plate 2 is dustproof to prevent dust from accumulating inside the bottom plate 2.

[0031] The use state of the present invention is as follows: before the device is used, the annular pad 259 is moved to a designated position on the connecting block 254, and then the rotating ring 258 is moved to the designated position on the annular pad 259, the rotating ring 258 moves to drive the second fixed block 257 to move, the second fixed block 257 moves the rotating block 256 to move, the rotating block 256 moves to drive the screw rod 255 to move, the screw rod 255 moves to drive the second clamping groove 2510 to move, the second screw rod 255 and the second clamping groove 2510 move to be inserted from the annular pad 259 and the connecting block 254, the screw rod 255 contacts the clamping block 2511 during the movement, and then the clamping block 2511 moves in the direction of the guide rod 2513, and the clamping block 2511 moves to drive the guide groove 2510 to move. 12 and the sliding block 2514 move, the sliding block 2514 moves to compress the elastic sponge 2515, the screw 255 moves to contact the bottom plate 2, and then the rotating ring 258 is rotated, the rotating ring 258 rotates to drive the second fixed block 257 to rotate, the second fixed block 257 rotates to drive the rotating block 256 to rotate, the rotating block 256 rotates to drive the screw 255 to rotate, the screw 255 rotates to drive the second slot 2510 to rotate, the screw 255 rotates to generate a threaded motion with the bottom plate 2, so that the screw 255 generates a relative displacement, and after the screw 255 rotates to a specified position in the bottom plate 2, the telescopic sleeve 252 and other components are limited, so that the inside of the bottom plate 2 is dustproof to prevent dust from accumulating inside the bottom plate 2;

[0032] When the device is in use, the pull block 10 is pulled to move in the direction of the spring 12, the movement of the pull block 10 drives the first fixed block 9 to move, the movement of the first fixed block 9 drives the connecting plate 8 to move, the movement of the connecting plate 8 drives the sliding plate 7 to move, the movement of the sliding plate 7 drives the groove 13 and the slider 5 and other components to move, the movement of the groove 13 drives the ball 14 to move, the sliding plate 7 moves to compress the spring 12, after the slider 5 and other components move to the specified position, the moving base plate 2 drives the passive precision RCM equipment body 1 and the slider 5 and other components to move to the specified position on the mounting plate 3, and then the pull block 10 is released, the elastic force of the spring 12 pushes the sliding plate 7 to move, the movement of the sliding plate 7 drives the groove 13 and the slider 5 and other components to move, the movement of the groove 13 drives the ball 14 to move, and the slider 5 moves into the slide groove 4, so that the passive precision RCM equipment body 1 and other components are limited, making the device easy to install. When the ball 14 needs to be added with lubricating oil, pull the cover body 22 to move in the direction away from the sliding plate 7. The movement of the cover body 22 drives the elastic block 24 to move. The cover body 22 and the elastic block 24 move out of the sliding plate 7, and then the lubricating oil is added to the storage sponge 16 from the oil filling port 21. Then the pressing block 18 is moved downward. The pressing block 18 moves downward and drives the connecting rod 17 to move downward. The connecting rod 17 moves downward and drives the pressing rod 19 to move downward. The pressing rod 19 moves downward to the storage sponge 16, and then the lubricating oil in the storage sponge 16 flows from the oil inlet 20 to the ball 14, so that the ball 14 is added with lubricating oil.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A passive precision RCM device, comprising a passive precision RCM device body (1), characterized in that: The passive precision RCM device body (1) is provided with a bottom plate (2), the lower end of the bottom plate (2) contacts with a mounting plate (3), a slide groove (4) is provided inside the mounting plate (3), a slider (5) is slidably connected inside the slide groove (4), a slide groove (6) is provided inside the mounting plate (3), a slider (5) is slidably connected inside the slide groove (6), a slide plate (7) is fixedly connected to the outer side of the slider (5), the slide plate (7) is slidably connected to the slide groove (6), a connecting plate (8) is fixedly connected to the upper end of the sliding plate (7), a first fixed block (9) is fixedly connected to the upper end of the connecting plate (8), a pulling block (10) is fixedly connected to the upper end of the first fixed block (9), a guide rod (11) is slidably connected to the inner side of the sliding plate (7), a spring (12) is provided on the outer side of the guide rod (11), one end of the spring (12) is connected to the sliding plate (7) ), the other end of the spring (12) is fixedly connected to the base plate (2), the base plate (2) is fixedly connected to the guide rod (11), a groove (13) is provided inside the sliding plate (7), the inside of the sliding plate (7) contacts with a connecting rod (17), the inside of the connecting plate (8) contacts with a connecting rod (17), the upper end of the connecting rod (17) is fixedly connected with a pressure block (18), the lower end of the connecting rod (17) is fixedly connected with a pressure rod (19), the pressure rod (19) contacts with the sliding plate (7), an oil inlet (20) is provided inside the sliding plate (7), an oil filling port (21) is provided inside the sliding plate (7), the inside of the oil filling port (21) contacts with a cover body (22), a first slot (23) is provided inside the sliding plate (7), the base plate (2) is slidably connected to the sliding plate (7), and a dustproof mechanism (25) is provided on the base plate (2).

2. The passive precision RCM device according to claim 1, characterized in that: A ball (14) is arranged inside the groove (13), and the ball (14) is in contact with the guide rod (11).

3. The passive precision RCM device according to claim 1, characterized in that: A sealing sleeve (15) is fixedly sleeved inside the sliding plate (7), and the sealing sleeve (15) is in contact with the guide rod (11).

4. The passive precision RCM device according to claim 1, characterized in that: The interior of the sliding plate (7) contacts with a storage sponge (16), and the upper end of the storage sponge (16) contacts with a pressure rod (19).

5. The passive precision RCM device according to claim 1, characterized in that: An elastic card block (24) is clamped inside the first card slot (23), and the elastic card block (24) is fixedly connected to the cover body (22).

6. The passive precision RCM device according to claim 1, characterized in that: The dustproof mechanism (25) comprises a connecting sleeve (251), the upper end of the bottom plate (2) contacts the connecting sleeve (251), a telescopic sleeve (252) is arranged inside the connecting sleeve (251), the inside of the telescopic sleeve (252) contacts the sliding plate (7), the upper end of the bottom plate (2) contacts the telescopic sleeve (252), the upper end of the connecting sleeve (251) is fixedly connected to a handle (253), the outer side of the connecting sleeve (251) is fixedly connected to a connecting block (254), the connecting block (254) contacts the bottom plate (2), the inside of the connecting block (254) is movably connected to a screw rod (255), the inside of the bottom plate (2) is connected to the screw rod (255) by threading, the upper end of the screw rod (255) is fixedly connected to a rotating block (256), the upper end of the rotating block (256) A second fixed block (257) is fixedly connected, and a rotating ring (258) is fixedly connected to the upper end of the second fixed block (257). The outer side of the screw rod (255) contacts with an annular pad (259), and the annular pad (259) contacts with the connecting block (254). A second slot (2510) is provided inside the screw rod (255), and a block (2511) is slidably connected inside the second slot (2510). A guide groove (2512) is provided inside the block (2511), and a sliding block (2514) is slidably connected inside the connecting block (254). The connecting block (254) is fixedly connected to the block (2511), and an elastic sponge (2515) is provided inside the connecting block (254). The connecting block (254) is slidably connected to the block (2511).

7. The passive precision RCM device according to claim 6, characterized in that: A guide rod (2513) is slidably connected inside the guide groove (2512), and the guide rod (2513) is fixedly connected to the connection block (254).

8. The passive precision RCM device according to claim 6, characterized in that: One end of the elastic sponge (2515) is fixedly connected to the sliding block (2514), and the other end of the elastic sponge (2515) is fixedly connected to the connecting block (254).

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