CN113855153A

CN113855153A - Planer system

Info

Publication number: CN113855153A
Application number: CN202111214467.2A
Authority: CN
Inventors: 夏华强; 包国华; 邵华良; 王磊; 蔺海; 陈尧松
Original assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Current assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2021-12-31
Anticipated expiration: 2041-10-19
Also published as: CN113855153B

Abstract

The invention relates to the field of medical instruments. The utility model provides a planer system, includes the shell, is equipped with transmission structure in the shell, and transmission structure is connected with the inner tube, and the outer tube has been cup jointed to the inner tube overcoat, transmission structure include lift transmission structure and rotatory transmission structure, lift transmission structure drive inner tube axial motion in the outer tube, rotatory transmission structure drives the inner tube and is rotatory in the outer tube, lift transmission structure and rotatory transmission structure drive through same driving piece. The invention provides a planer system which can realize the simultaneous axial movement and rotation of an inner tube, has a stable structure and is convenient to operate; the problem of the planer structure that exists among the prior art complicated, can not realize axial and rotary motion simultaneously, operate inconvenient technique is solved.

Description

Planer system

Technical Field

The invention relates to the field of medical instruments, in particular to a planer system.

Background

The shaver is a medical instrument commonly used in the existing medical means, and is mainly used for cutting or grinding tissue or bone surfaces.

There is a planer of tissues such as excision hysteromyoma, uterus polyp among the prior art, and in the outer tube was arranged in to the cavity inner tube, the outer tube head end was equipped with the window, and the inner tube head end was equipped with the sword tooth, and the inner tube is through the drive arrangement drive, can follow self center pin rotation, through the just reversal of motor, realizes the conversion of inner tube direction of rotation, and the inner tube connection has suction device, and the tissue that the sword tooth cut down is from the inner tube suction. Due to the large difference in properties of the sliced tissue, the prior art shavers are less effective in cutting certain hard, tough tissue. And the inner tube cannot rotate while moving axially. The rotation and the axial movement need to be controlled and operated respectively, and the operation time is prolonged.

Disclosure of Invention

The invention provides a planer system which can realize the simultaneous axial movement and rotation of an inner tube, has a stable structure and is convenient to operate; the problem of the planer structure that exists among the prior art complicated, can not realize axial and rotary motion simultaneously, operate inconvenient technique is solved.

The invention also provides another planer system which is convenient to assemble and disassemble, small in size and good in automation degree; the problem of the planer motor that exists external among the prior art, bulky, install and remove inconvenient technical problem is solved.

The technical problem of the invention is solved by the following technical scheme: the utility model provides a planer system, includes the shell, is equipped with the drive structure in the shell, and the drive structure is connected with the inner tube, and the outer tube has been cup jointed to the inner tube overcoat, the drive structure include lift drive structure and rotary drive structure, lift drive structure drive inner tube axial motion in the outer tube, the rotary drive structure drives the inner tube and is rotatory in the outer tube, lift drive structure and rotary drive structure pass through connection structure mutual transmission and be connected. After the lifting driving structure and the rotary driving structure are connected through the connecting structure, the driving volume is more compact, parts and space are saved, the inner pipe can be axially moved and rotated by one driving source, the rotating speed of the inner pipe and the axial movement speed can be respectively adjusted and controlled, and feeding and rotating matching of the inner pipe are more perfect by adjusting the parameters of the connecting structure and the corresponding parameters of the driving structure. The driving source can be electric or pneumatic, the connection structure can be various, the lifting driving structure can drive the rotary driving structure through gear engagement, and the rotary driving structure can also drive the lifting structure synchronously through a worm and gear structure. The multiple demands of the inner tube moving in the outer tube are realized in the shell through the lifting driving structure and the rotating driving structure, the operation time is reduced, and the operation convenience and safety are improved.

Preferably, the rotary driving structure comprises a driving shaft, a first driving gear is fixed on the driving shaft, a driven shaft is arranged on one side of the driving shaft, a first driven gear is fixed on the driven shaft, the first driving gear and the first driven gear are in meshing transmission, and the driven shaft is connected with an inner pipe through a transmission structure. The driven shaft is driven by the driving shaft, and the rotation of the driven shaft drives the inner pipe to rotate, so that the rotation of the inner pipe is realized.

Preferably, the transmission structure comprises a protrusion fixed on the inner pipe, the driven shaft is provided with a clamping groove, and the protrusion is positioned in the clamping groove. The clamping groove formed in the driven shaft is matched with the protrusion of the inner pipe, on one hand, the driven shaft can drive the inner pipe to rotate, on the other hand, the clamping groove has certain axial length, and the length of the clamping groove is larger than the stroke of the axial movement of the inner pipe. When the inner pipe is ensured to rotate, the clamping groove provides a guiding function, and the lifting rod drives the inner pipe to move axially.

Preferably, a first driven gear is fixed at one end of the driven shaft, an anti-compression ring is fixed at the other end of the driven shaft, a limiting protrusion is arranged on the inner wall of the anti-compression ring, and the limiting protrusion is located in the clamping groove. The through-hole has been seted up at the middle part of driven shaft, and the inner tube cross-under is in the through-hole, fills in one and driven shaft internal diameter complex in the one end of driven shaft and prevents the clamping ring, prevents that the clamping ring can prop the cavity open, can not lead to two draw-in grooves pressurized deformation in the motion process for the guide rail width that the draw-in groove formed diminishes, thereby influences the axial motion of inner tube.

Preferably, the lifting driving structure comprises a lifting rod, the lifting rod is fixed on the inner pipe through a connecting rod, and the lifting rod is driven through a connecting structure. The lifting rod is fixed on the annular ring through a connecting rod, a structure similar to a bearing is arranged in the annular ring, the bearing is sleeved on the inner pipe, and the axial movement of the inner pipe is driven by the movement of the lifting rod.

Preferably, the connecting structure comprises a first connecting piece arranged on the lifting driving structure and a second connecting piece arranged on the rotating driving structure, and the first connecting piece and the second connecting piece are mutually matched and connected. The first connecting piece comprises a sleeve sleeved on the driving shaft, a guide groove is formed in the outer circumferential surface of the sleeve, a lifting rod of a lifting driving structure is installed in the sleeve, and a shifting fork is fixed on the lifting rod; the second connecting piece include cup joint the two-way helical structure on the driven shaft, the shift fork passes the guide way and cooperates with two-way helical structure. The rotation of the bidirectional spiral structure drives the shifting fork to lift, the shifting fork drives the lifting rod to move axially, and the lifting rod drives the inner pipe to move axially.

More preferably, a second driving gear is provided at one side of the sleeve, the second driving gear is fixed to the driving shaft, a second driven gear is provided at the driven shaft, the second driven gear is engaged with the second driving gear, and the second driven gear is fixed to one end of the bidirectional helical structure. The gear is used for driving, so that the structure is simple, and the transmission effect is good.

Preferably, a first driving gear and a second driving gear which are parallel to each other are fixed on the driving shaft, a first driven gear is fixed on a driven shaft which is parallel to the driving shaft, and the second driven gear is fixed on a bidirectional spiral structure sleeved on the driven shaft. The first driving gear is meshed with the first driven gear, the second driving gear is meshed with the second driven gear, the second driven gear does not rotate along with the driven shaft, and the first driven gear drives the driven shaft to rotate. The first driven gear and the second driven gear are spaced. The engagement of the second driven gear and the second driving gear mainly drives the bidirectional rotating structure to rotate, so as to drive the lifting rod to move axially. The bidirectional rotating structure and the driven shaft rotate independently and do not influence each other, so that the axial movement and the rotating movement of the inner pipe can be controlled independently and are not constrained and influenced by each other.

Preferably, the driving structure comprises a motor, the motor is positioned in the shell, and an output shaft of the motor is connected with the driving shaft. The motor is positioned in the shell, so that the structure is more compact, and the whole volume is reduced. The motor can be dismantled from the shell, and the motor can recycle, and the shell is bad only need change the shell can, reduced use cost.

Preferably, one side of the driving shaft is provided with a driven shaft parallel to the driving shaft, the inner pipe is positioned in the driven shaft, and the inner pipe penetrates through the driven shaft and is connected with a suction device. The shaved material may be discharged through the inner tube and the suction device.

Preferably, the housing comprises an upper cover and a lower cover which are buckled with each other. The shell is internally provided with a control chip. The chip is put into to the shell, and the contact is UNICOM with the cell-phone, and drive controller accessible chip discernment cutter operation mode is reciprocating rotation or rotary motion to adjust the operation mode of motor, and the cutter that possesses reciprocating rotation function corresponds the motor operation and is the unidirectional rotation, and the cutter that only possesses rotation function corresponds the motor operation and is clockwise or anticlockwise intermittent type nature switching.

Of course, the inner tube may be connected to the driving shaft and driven by the driving shaft to rotate, and the lifting rod may be connected to the driven shaft. That is, the position of the parts on the driving shaft and the driven shaft is exchanged, which also belongs to the technical scheme of the invention.

The driving shaft and the driven shaft are driven by gears or chain wheels or other modes.

Accordingly, a planer system of the present invention: the operation is convenient, drives the inner tube through lift drive structure and rotary drive structure and carries out axial motion and rotation, lets the flexibility of planer system better, improves operation efficiency, reduces the operation time, convenient control.

Drawings

Figure 1 is a perspective view of a planer system of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged perspective view of the inner portion of the upper cover housing of fig. 1 with the housing removed.

Fig. 4 is a schematic view of fig. 3 with the bi-directional helix removed.

Fig. 5 is a perspective view of the driven shaft.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b):

as shown in fig. 1, 2, 3 and 4, a planer system includes a housing 4 with a chip mounted on the housing 4. The shell 4 comprises an upper cover 7 and a lower cover 8 which are matched with each other, the upper cover 7 and the lower cover 8 form a containing cavity, a fixing ring 12 is connected to the small end of the shell after the upper cover 7 and the lower cover 8 are buckled, the small end of the shell after the buckling is connected with the fixing ring 12 through threads, the fixing ring 12 locks one end of the shell, and the outer tube 3 is connected with the fixing ring 12. The other ends of the upper cover 7 and the lower cover 8 are locked and fixed at the buckled big end through a casing cover 10 and a locking ring 11 which are matched with each other to form a complete casing. The outer shell can be externally connected with control equipment such as a mobile phone through a connector 6. Install drive structure in shell 4, drive inner tube 2 rotation and axial motion through drive structure, inner tube 2 is located outer tube 3, has seted up opening 1 at the tip of outer tube 3, and inner tube 2 is operated through opening 1 department.

The accommodating cavity is internally provided with a motor 22, an output shaft of the motor 22 is connected with a driving shaft 20, a first driving gear 19 and a second driving gear 18 which are parallel to each other are fixed on the driving shaft 20, and the diameter of the first driving gear 19 is larger than that of the second driving gear 18. One end of the driving shaft 20 is sleeved with a sleeve 16, an axial guide groove 15 is formed in the outer circumferential surface of the sleeve 16, a lifting rod 14 is inserted into the sleeve, and a shifting fork 17 is fixed on the lifting rod 14.

As shown in fig. 5, a parallel driven shaft 24 is installed on one side of the driving shaft 20, a first driven gear 23 is fixed on the driven shaft 24, the first driven gear 23 is in mesh transmission with the first driving gear 19, and the first driving gear 19 drives the first driven gear 23, thereby driving the driven shaft 24 to rotate. The center of the driven shaft 24 is provided with a through hole, and the inner pipe penetrates through one end of the driven shaft and is connected with the suction device through the other end. Two axially arranged clamping grooves 31 which are parallel to each other are formed in the outer circumferential surface of the driven shaft 24, and the two clamping grooves 31 are located on the same axial end face. Two protrusions 32 on the same diameter are integrally formed on the outer circumferential surface of the inner tube 2, and the protrusions 32 are located in the catching grooves 31 so that the inner tube 2 follows the rotation when the driven shaft 24 rotates. One end of the driven shaft 24 is fixed with a first driven gear and is externally connected with a suction device 5 through a catheter joint sleeve, and the suction device 5 is connected with the inner pipe 2 in the driven shaft. The opening part at the draw-in groove of the other end of driven shaft 2 installs prevents clamping ring 28, prevents that the inner wall integrated into one piece of clamping ring 28 has spacing arch 30, and spacing arch 30 joint has axle sleeve 29 outside preventing clamping ring 28 in draw-in groove 31.

A bidirectional helical structure 26 is externally fitted over the driven shaft 24, and a forward thread and a reverse thread are arranged on the bidirectional helical structure 26. One end of the bidirectional helical structure 26 is integrally formed with a second driven gear 25, the second driven gear 25 is meshed with the second driving gear 18, the rotation of the second driving gear 18 drives the bidirectional helical structure 26 to rotate, but the rotation of the driven shaft 24 in the bidirectional helical structure is not influenced, and the bidirectional helical structure 26 and the driven shaft rotate independently. The shifting fork 17 penetrates through the guide groove 15 on the sleeve and then is connected with the bidirectional spiral structure 26, and the unidirectional rotation of the bidirectional spiral structure 26 can drive the shifting fork to move back and forth, so that the lifting rod 14 is driven to move axially.

The lifting rod 14 is connected with the inner pipe through a connecting rod 13, and the lifting rod 14 is driven by a shifting fork 17 to move axially, so that the inner pipe 2 is driven to move axially.

When the driving shaft 24 is driven to rotate, the motor 22 is started to drive the driving shaft 20 to rotate, the first driving gear 19 and the second driving gear 18 on the driving shaft 20 rotate, and the first driving gear 19 is in meshed transmission with the first driven gear 23. The driven shaft 24 rotates to rotate the inner tube 2. Meanwhile, the second driving gear 18 and the second driven gear 25 are in meshed transmission, the second driven gear 25 drives the bidirectional rotating structure 26 to rotate, and the shifting fork 17 moves back and forth in the axial direction when the bidirectional rotating structure 26 rotates, so that the inner pipe 2 is driven to move axially in the outer pipe 3.

Claims

1. The utility model provides a planer system, includes the shell, is equipped with transmission structure in the shell, and transmission structure is connected with the inner tube, and the outer tube has cup jointed its characterized in that outside the inner tube: the transmission structure comprises a lifting transmission structure and a rotating transmission structure, the lifting transmission structure drives the inner pipe to axially move in the outer pipe, the rotating transmission structure drives the inner pipe to rotate in the outer pipe, and the lifting transmission structure and the rotating transmission structure are driven by the same driving piece.

2. A planer system as claimed in claim 1, wherein: the rotary transmission structure comprises a driving shaft connected with a driving part, a driven shaft is arranged on one side of the driving shaft, and the driven shaft is connected with an inner pipe through a rotary connection structure.

3. A planer system as claimed in claim 2 wherein: the rotary connecting structure comprises a protrusion fixed on the inner pipe, a clamping groove is formed in the driven shaft, the protrusion is located in the clamping groove, and the length of the clamping groove is larger than the stroke of axial movement of the inner pipe.

4. A planer system as claimed in claim 3 wherein: a first driving gear is arranged on the driving shaft, a first driven gear is fixed at one end of the driven shaft, and the first driving gear is meshed with the first driven gear; an anti-compression ring is fixed at the other end of the driven wheel, a limiting protrusion is arranged on the inner wall of the anti-compression ring, and the limiting protrusion is located in the clamping groove.

5. A planer system according to any one of claims 1 to 4 wherein: the lifting transmission structure comprises a lifting rod, the lifting rod is fixed on the inner pipe through a connecting rod, and the lifting rod is driven through a lifting connection structure.

6. A planer system as claimed in claim 5, wherein: the lifting connection structure comprises a first connecting piece and a second connecting piece, wherein the first connecting piece is arranged on the lifting transmission structure, the second connecting piece is arranged on the rotary transmission structure, and the first connecting piece and the second connecting piece are mutually matched and connected.

7. A planer system as claimed in claim 6 wherein: the first connecting piece comprises a sleeve sleeved on the driving shaft, a guide groove is formed in the outer circumferential surface of the sleeve, a lifting rod of a lifting transmission structure is installed in the sleeve, and a shifting fork is fixed on the lifting rod; the second connecting piece include cup joint the two-way helical structure on the driven shaft, the shift fork passes the guide way and cooperates with two-way helical structure.

8. A planer system as claimed in claim 7 wherein: and a second driving gear is arranged on one side of the sleeve and fixed on the driving shaft, a second driven gear is arranged on the driven shaft and meshed with the second driving gear, and the second driven gear is fixed at one end of the bidirectional spiral structure.

9. A planer system according to any one of claims 1 to 4 wherein: the driving part is a driving motor, the driving motor is positioned in the shell, and an output shaft of the driving motor is connected with the driving shaft.

10. A planer system according to any one of claims 1 to 4 wherein: the shell is internally provided with a control chip.