CN119344817A - Blade mounting structure and medical plastic surgery reciprocating saw bending machine - Google Patents
Blade mounting structure and medical plastic surgery reciprocating saw bending machine Download PDFInfo
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- CN119344817A CN119344817A CN202411780345.3A CN202411780345A CN119344817A CN 119344817 A CN119344817 A CN 119344817A CN 202411780345 A CN202411780345 A CN 202411780345A CN 119344817 A CN119344817 A CN 119344817A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/14—Surgical saws
- A61B17/142—Surgical saws with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades
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Abstract
The invention discloses a blade mounting structure and a medical shaping reciprocating saw bender, and relates to the technical field of medical shaping instruments; the blade mounting structure comprises a mounting sleeve, a shaft core sleeve and a shaft core tube which are sequentially sleeved and connected from outside to inside, wherein the mounting sleeve is fixedly connected with the handle body, the shaft core sleeve can be in sliding connection with the mounting sleeve along the axis of the shaft core tube, the shaft core tube is fixedly connected with the shaft core sleeve, a mounting channel which is arranged along the axis of the shaft core tube in an extending mode is arranged in the shaft core tube, the cutter handle portion can be inserted into the shaft core tube along the mounting channel, and the inner side wall of the mounting channel is mutually attached to the outer side face of the cutter handle portion to limit radial movement of the cutter handle portion. The technical scheme provided by the invention can improve the connection firmness between the blade body and the handle body so as to ensure that the blade body does not deviate from vibration in the operation process.
Description
Technical Field
The invention relates to the technical field of medical shaping instruments, in particular to a blade mounting structure and a medical shaping reciprocating saw bender.
Background
The medical plastic reciprocating saw bender is a generic name of a medical plastic mobile phone provided with a reciprocating saw and a handle body of the medical plastic mobile phone with a certain bending radian, and in the medical plastic surgery, the medical plastic reciprocating saw bender drives the blade body to do linear reciprocating motion along the axis of the blade body so as to saw and remove the bone tissue of a human body. In the prior art, the firmness of connection between the blade body and the handle body is lower, so that the blade body has the condition of deviating vibration in the operation process, and medical accidents can be caused when serious.
It should be noted that the foregoing is only used to assist in understanding the technical solution of the present invention, and does not represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a blade mounting structure and a medical shaping reciprocating saw bender, which aim to improve the connection firmness between a blade body and a handle body so as to ensure that the blade body does not deviate from vibration in the operation process.
The invention provides a blade mounting structure which is applied to a medical shaping reciprocating saw bending machine, wherein the medical shaping reciprocating saw bending machine comprises a blade body and a handle body, and the blade body comprises a blade part and a blade part with a cylindrical structure;
specifically, the blade mounting structure comprises a mounting sleeve, a shaft core sleeve and a shaft core tube which are sequentially sleeved and connected from outside to inside;
The mounting sleeve is fixedly connected with the handle body;
the shaft core sleeve can be connected with the mounting sleeve in a sliding manner along the axis of the shaft core tube;
The shaft core tube is fixedly connected with the shaft core sleeve, a mounting channel extending along the axis of the shaft core tube is arranged in the shaft core tube, the cutter handle part can be inserted into the shaft core tube along the mounting channel, and the inner side wall of the mounting channel is mutually attached to the outer side surface of the cutter handle part so as to limit the radial movement of the cutter handle part;
The cutter blade mounting structure comprises a cutter handle portion, and is characterized in that a limiting piece is arranged at the end, far away from the cutter handle portion, of the cutter handle portion, a notch portion is arranged at the joint of the limiting piece and the cutter handle portion, the cutter blade mounting structure further comprises a first positioning block and a second positioning block, the first positioning block is fixedly arranged in the mounting channel and is used for being embedded into the notch portion to limit axial movement of the cutter handle portion, the second positioning block is slidably connected in the mounting channel and is used for being abutted against the side portion of the limiting piece to limit circumferential movement of the cutter handle portion.
In one embodiment, the inner side of the mounting sleeve is provided with an inner concave part, the outer side of the shaft core sleeve is provided with a guide groove, the groove of the guide groove is axially arranged along the shaft core tube, the blade mounting structure comprises a guide piece, at least part of the guide piece is connected with the inner concave part in an embedded mode, and at least part of the guide piece is connected with the guide groove in a sliding mode.
In one embodiment, the guide member has a spherical structure, and the guide member is rotatably connected with the concave portion.
In an embodiment, an opening is formed at a connection part of the mounting sleeve and the handle body, a driving groove is formed at a side part of the shaft core sleeve, and the driving groove is connected with a transmission structure inside the handle body through the opening, so that the transmission structure can drive the shaft core sleeve to do linear reciprocating sliding motion relative to the mounting sleeve through the driving groove.
In an embodiment, a connecting channel is arranged between the first positioning block and the mounting channel, the cross-sectional area of the connecting channel is larger than that of the limiting piece, and the cross-sectional area of the connecting channel is smaller than that of the cutter handle.
In an embodiment, a projection area of the second positioning block along the axial direction of the axial core tube is defined as a first projection area, a projection area of the connecting channel along the axial direction of the axial core tube is defined as a second projection area, and at least part of the first projection area and the second projection area overlap each other.
In an embodiment, the blade mounting structure further comprises a movable sleeve, wherein the movable sleeve is used for sliding the second positioning block to a first position or a second position, when the second positioning block slides to the first position, the second positioning block is in mutual abutting joint with the side part of the limiting piece, and when the second positioning block slides to the second position, the second positioning block is out of mutual abutting joint with the side part of the limiting piece.
In one embodiment, the movable sleeve is slidably disposed between the shaft core sleeve and the shaft core tube, the movable sleeve comprises a push sleeve ring and a connecting ring which are coaxially disposed, a spring member is sleeved on the connecting ring, a protruding portion is disposed on the inner side of the shaft core sleeve, two ends of the spring member are respectively abutted to the protruding portion and the push sleeve ring, a sliding channel which is disposed along the axial direction of the shaft core tube is disposed between the shaft core sleeve and the shaft core tube, a connecting member is slidably disposed in the sliding channel, and the connecting ring is fixedly connected with the second positioning block through the connecting member.
In one embodiment, at least part of the push sleeve ring is exposed outside the shaft core sleeve, and the exposed area of the push sleeve ring is provided with anti-skid grains.
In order to achieve the above purpose, the invention provides a medical shaping reciprocating saw bending machine, which comprises the blade mounting structure.
According to the technical scheme, the cutter handle part is of a cylindrical structure, when the cutter handle part is inserted into the shaft core tube through the mounting channel, the inner side wall of the mounting channel is mutually attached to the outer side face of the cutter handle part, so that the purpose of limiting radial movement of the cutter handle part is achieved, meanwhile, the first positioning block and the second positioning block are arranged in the mounting channel, after the cutter handle part is inserted into the mounting channel, on the one hand, the first positioning block is embedded into the notch part of the cutter handle part, on the other hand, two sides of the first positioning block are respectively abutted with the ends of the cutter handle part and one side opposite to the limiting piece, so that the cutter handle part cannot move axially under the limitation of the first positioning block, on the other hand, the second positioning block slides to be abutted with the side part of the limiting piece, so that the limiting piece cannot rotate under the limitation of the second positioning block, and the cutter handle part cannot move circumferentially. In summary, the radial movement, the axial movement and the circumferential movement of the cutter handle are limited, so that the cutter blade body cannot displace relative to the shaft core tube, and the connection firmness between the cutter blade body and the handle body is improved, so that the cutter blade body is ensured not to deviate from vibration in the operation process.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an embodiment of a blade mounting structure provided by the present invention;
FIG. 2 is an exploded view of one embodiment of a blade mounting structure according to the present invention;
FIG. 3 is a schematic view illustrating an internal structure of an embodiment of a blade mounting structure according to the present invention;
FIG. 4 is a schematic view showing a mounting step of a blade body according to an embodiment of the blade mounting structure of the present invention;
FIG. 5 is a schematic diagram showing a second step of mounting a blade body in an embodiment of the blade mounting structure according to the present invention;
FIG. 6 is a schematic view illustrating a third step of mounting a blade body according to an embodiment of the blade mounting structure of the present invention;
fig. 7 is a schematic diagram illustrating a mounting step of the blade body in an embodiment of the blade mounting structure according to the present invention.
Reference numerals illustrate:
100. The tool comprises a tool body 110, a tool blade part 120, a tool handle part 130, a limiting piece 140, a notch part 200, a handle body 210, a transmission structure 300, a mounting sleeve 310, an opening part 320, an inner concave part 400, a shaft core sleeve 410, a driving groove 420, a guide groove 430, a protruding part 440, a sliding channel 500, a shaft core tube 510, a mounting channel 520, a connecting channel 600, a first positioning block 700, a second positioning block 800, a guide piece 900, a movable sleeve 910, a push sleeve ring 920, a connecting ring 930, a spring piece 940 and a connecting piece;
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to herein as "above and below"), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
Furthermore, it should be noted that the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The medical plastic reciprocating saw bender is a generic name of a medical plastic mobile phone provided with a reciprocating saw and a handle body of the medical plastic mobile phone with a certain bending radian, and in the medical plastic surgery, the medical plastic reciprocating saw bender drives the blade body to do linear reciprocating motion along the axis of the blade body so as to saw and remove the bone tissue of a human body. In the prior art, the firmness of connection between the blade body and the handle body is lower, so that the blade body has the condition of deviating vibration in the operation process, and medical accidents can be caused when serious.
In order to solve the technical problems, the invention provides a blade mounting structure.
Referring to fig. 1-3, in one embodiment of the present invention, the blade mounting structure is applied to a medical shaping reciprocating saw bender, wherein the medical shaping reciprocating saw bender comprises a blade body 100 and a handle body 200, and the blade body 100 comprises a blade portion 110 and a handle portion 120 with a cylindrical structure;
Specifically, the blade mounting structure comprises a mounting sleeve 300, a shaft core sleeve 400 and a shaft core tube 500 which are sequentially sleeved and connected from outside to inside;
The mounting sleeve 300 is fixedly connected with the handle body 200;
the shaft core sleeve 400 can be connected with the mounting sleeve 300 in a sliding way along the axis of the shaft core tube 500;
the shaft core tube 500 is fixedly connected with the shaft core sleeve 400, a mounting channel 510 extending along the axis of the shaft core tube 500 is arranged in the shaft core tube 500, the cutter handle part 120 can be inserted into the shaft core tube 500 along the mounting channel 510, and the inner side wall of the mounting channel 510 is mutually attached to the outer side surface of the cutter handle part 120 to limit the radial movement of the cutter handle part 120;
The end of the cutter handle 120, which is far away from the cutter handle 110, is provided with a limiting piece 130, a notch 140 is formed at the joint of the limiting piece 130 and the cutter handle 120, the cutter blade mounting structure further comprises a first positioning block 600 and a second positioning block 700, the first positioning block 600 is fixedly arranged in the mounting channel 510, the first positioning block 600 is used for being embedded into the notch 140 to limit the axial movement of the cutter handle 120, the second positioning block 700 is slidably connected in the mounting channel 510, and the second positioning block 700 is used for abutting against the side part of the limiting piece 130 to limit the circumferential movement of the cutter handle 120.
According to the technical scheme, when the cutter handle 120 is inserted into the shaft core tube 500 through the mounting channel 510, the cutter handle 120 is in a cylindrical structure, the inner side wall of the mounting channel 510 is mutually attached to the outer side surface of the cutter handle 120, so that the purpose of limiting radial movement of the cutter handle 120 is achieved, meanwhile, the first positioning block 600 and the second positioning block 700 are arranged in the mounting channel 510, after the cutter handle 120 is inserted into the mounting channel 510, on one hand, the first positioning block 600 is embedded into the notch 140 of the cutter handle, at the moment, two sides of the first positioning block 600 are respectively abutted with the ends of the cutter handle 120 and the opposite side of the limiting piece 130, so that the cutter handle 120 cannot axially move under the limitation of the first positioning block 600, and on the other hand, the second positioning block 700 is slid to be mutually abutted with the side of the limiting piece 130, so that the cutter handle 120 cannot circumferentially move under the limitation of the second positioning block 700. In summary, the radial movement, the axial movement and the circumferential movement of the shank 120 are limited, so that the blade body 100 cannot be displaced relative to the shaft core tube 500, thereby improving the connection firmness between the blade body 100 and the handle body 200, and ensuring that the blade body 100 does not deviate from vibration during the operation.
Specifically, an opening 310 is provided at the connection between the mounting sleeve 300 and the handle body 200, a driving slot 410 is provided at the side of the shaft sleeve 400, and the driving slot 410 is connected with the transmission structure 210 located inside the handle body 200 through the opening 310, so that the transmission structure 210 can drive the shaft sleeve 400 to perform a linear reciprocating sliding motion relative to the mounting sleeve 300 through the driving slot 410. So set up, utilize being located the inside transmission structure 210 of handle body 200 to combine together with drive slot 410 to drive shaft core sleeve 400 can make straight reciprocating sliding motion for installation sleeve 300, because the axle core 500 and axle core sleeve 400 fixed connection, and axle core 500 and the shank portion 120 fixed connection of blade body 100, thereby drive blade body 100 can make straight reciprocating motion along self axis, make blade body 100 can saw the plastic operation of removing to human bone tissue smoothly.
As a preferable aspect of the above embodiment, the mounting sleeve 300 is provided with an inner recess 320 on the inner side thereof, the shaft core sleeve 400 is provided with a guide groove 420 on the outer side thereof, the guide groove 420 is provided in the axial direction of the shaft core tube 500, the blade mounting structure includes a guide 800, at least part of the guide 800 is engaged with the inner recess 320, and at least part of the guide 800 is slidably coupled with the guide groove 420. In this arrangement, at least a portion of the guide 800 is inserted into the concave portion 320 to fix the guide 800 and the mounting sleeve 300 to each other, and at the same time, at least a portion of the guide 800 is slidably coupled to the guide groove 420, and the groove of the guide groove 420 is disposed along the axial direction of the shaft core tube 500, so that the sliding track of the shaft core sleeve 400 is disposed along the axial direction of the shaft core tube 500 when the shaft core sleeve 400 slides with respect to the mounting sleeve 300 due to the combined action of the guide groove 420 and the guide 800, thereby improving the smoothness when the shaft core sleeve 400 slides with respect to the mounting sleeve 300.
Further, the guide 800 has a spherical structure, and the guide 800 is rotatably connected with the concave portion 320. So set up, set up the guide 800 into the sphere structure for the connected mode between guide 800 and the guide slot 420 forms the roll connection, thereby reduces the frictional force between guide 800 and the guide slot 420, thereby reduces the wearing and tearing of guide 800 and/or guide slot 420 because of the axle core sleeve 400 carries out the long-time reciprocating motion relative to the installation sleeve 300, is favorable to prolonging the life of the application.
As a preferable aspect of the above embodiment, a connection channel 520 is provided between the first positioning block 600 and the mounting channel 510, the channel cross-sectional area of the connection channel 520 is larger than the cross-sectional area of the stopper 130, and the channel cross-sectional area of the connection channel 520 is smaller than the cross-sectional area of the shank 120. The arrangement is such that the connecting channel 520 can allow the limiting member 130 to pass through, and the shank 120 cannot pass through the connecting channel 520, so as to ensure that the subsequent first positioning block 600 can be inserted into the notch 140 between the limiting member 130 and the shank 120.
Further, a projection area of the second positioning block 700 along the axial direction of the axial core tube 500 is defined as a first projection area, a projection area of the connection channel 520 along the axial direction of the axial core tube 500 is defined as a second projection area, and at least a portion of the first projection area overlaps with the second projection area. The arrangement is such that, after the limiting member 130 passes through the connecting channel 520, the free ends of the limiting member 130 will necessarily abut against each other at the end of the second positioning block 700, and as the shank 120 is inserted continuously, the limiting member 130 will drive the second positioning block 700 to move towards the insertion direction of the shank 120, and after the shank 120 moves to abut against the first positioning block 600, the blade body 100 is rotated by a certain angle, so that, on one hand, the notch 140 of the blade body is mutually engaged with the first positioning block 600, and on the other hand, the abutting of the limiting member 130 against the second positioning block 700 is released, so that the second positioning block 700 can move towards the extraction direction of the shank 120, and the side portions of the limiting member 130 abut against each other.
As a preferable aspect of the above embodiment, the blade mounting structure further includes a movable sleeve 900, the movable sleeve 900 being configured to slide the second positioning block 700 to the first position or the second position, when the second positioning block 700 slides to the first position, the second positioning block 700 and the side portion of the stopper 130 abut against each other, and when the second positioning block 700 slides to the second position, the second positioning block 700 releases the abutment with the side portion of the stopper 130 from each other. So configured, in consideration of the replacement of the blade body 100, it is necessary to remove the restriction of the second positioning block 700 to the stopper 130 first, so that the handle portion 120 can be rotated in a circumferential movement until the stopper 130 thereof is aligned with the connection channel 520, so that the stopper 130 can be pulled out of the mounting channel 510 through the connection channel 520, thereby removing the handle portion 120. Therefore, by providing the movable sleeve 900, an operator can slide the second positioning block 700 to the second position through the movable sleeve 900, so that the second positioning block 700 is released from abutting with the side portion of the limiting member 130, and the blade body 100 and the handle body 200 are separated from each other subsequently.
Further, the movable sleeve 900 is slidably disposed between the shaft core sleeve 400 and the shaft core tube 500, the movable sleeve 900 includes a push collar 910 and a connection ring 920 coaxially disposed, a spring member 930 is sleeved on the connection ring 920, a boss 430 is disposed on the inner side of the shaft core sleeve 400, two ends of the spring member 930 are respectively abutted against the boss 430 and the push collar 910, a sliding channel 440 disposed along the axial direction of the shaft core tube 500 is disposed between the shaft core sleeve 400 and the shaft core tube 500, a connection member 940 is slidably disposed in the sliding channel 440, and the connection ring 920 is fixedly connected with the second positioning block 700 through the connection member 940. The movable sleeve 900 is slidably disposed between the shaft core sleeve 400 and the shaft core tube 500, so that the movable sleeve 900 can only slide along the axial direction of the shaft core tube 500 under the limiting action of the outer and inner sides of the shaft core sleeve 400 and the shaft core tube 500. Meanwhile, the spring member 930 is used as one of the power sources for moving the push collar 910, when the operator slides the push collar 910 towards the insertion direction of the handle 120 to compress the spring member 930, and then the operator releases the force applied to the push collar 910, the push collar 910 can slide towards the pulling-out direction of the handle 120 under the elastic force of the spring member 930, and the second positioning block 700 is fixedly connected with the connecting ring 920 through the connecting piece 940, so that the second positioning block 700 slides towards the pulling-out direction of the handle 120, that is, the second positioning block 700 moves from the second position towards the first position, so as to ensure the smooth implementation of the technical scheme of the application.
Further, at least part of the push collar 910 is exposed outside the axial core sleeve 400, so that the operator can push the push collar 910 through the exposed area, which is beneficial to accelerating the dismounting efficiency of the blade body 100.
Further, the exposed area of the push collar 910 is provided with anti-slip texturing (not shown in the drawings). So set up, through the friction between the friction line in order to improve operator and pushing away the lantern ring 910 to the operator of being convenient for carries out the pushing away the lantern ring 910 and carries out the pushing operation, and then slides second locating piece 700 to the second position, in order to release the mutual butt of second locating piece 700 and locating piece 130.
The following describes the process of assembling and disassembling the blade body 100 and the handle body 200 in detail in connection with the above embodiments:
when the blade body 100 is mounted:
① referring to fig. 4, inserting the shank portion 120 of the blade body 100 into the mounting channel 510 of the spindle core tube 500, wherein the inner side wall of the mounting channel 510 is attached to the outer side surface of the shank portion 120 to limit the radial movement of the shank portion 120;
Step ②, referring to fig. 5, as the shank 120 continues to be inserted, the limiting member 130 passes through the connecting channel 520 until the end portions of the first positioning block 600 and the shank 120 abut against each other, during which, after passing through the connecting channel 520, the limiting member 130 abuts against the end portion of the second positioning block 700, and as the shank 120 continues to be inserted, the limiting member 130 drives the second positioning block 700 to move in the insertion direction of the shank 120, during which, the second positioning block 700 drives the push collar 910 to move in the insertion direction of the shank 120 synchronously through the connecting member 940, so as to compress the spring member 930 sleeved on the connecting ring 920;
Step ③, referring to fig. 6-7, the blade body 100 is rotated by a certain angle, on one hand, the notch 140 of the blade body is mutually embedded with the first positioning block 600 to limit the axial movement of the cutter handle 120, on the other hand, the abutment of the limiting piece 130 to the second positioning block 700 is released, so that the second positioning block 700 and the push collar 910 move together in the pulling direction of the cutter handle 120 under the elastic acting force of the spring piece 930, and the second positioning block 700 is mutually abutted with the side part of the limiting piece 130, and since the second positioning block 340 is connected with the connecting piece 364, the connecting piece 364 is limited by the sliding channel 365 and can only slide along the axial direction of the shaft core tube 320, so that the second positioning block 700 cannot perform circumferential movement, and the circumferential movement of the cutter handle 120 is limited, thereby completing the installation operation of the blade body 100.
When the blade body 100 is disassembled:
④, pushing the push collar 910 towards the insertion direction of the tool shank 120, pushing the sliding connection piece 940 by using the push collar 910, and because the connection piece 940 is fixedly connected with the second positioning piece 700, the second positioning piece 700 is also synchronously moved towards the insertion direction of the tool shank 120, so that the second positioning piece 700 releases the limitation of the limiting piece 130, namely, the second positioning piece 700 releases the limitation of the circumferential movement of the tool shank 120;
⑤, performing circumferential movement on the blade body 100 to enable the blade body 100 to rotate until the limiting piece 130 is aligned with the connecting channel 520, wherein the notch 140 is released from mutual embedding with the first positioning block 600, namely the first positioning block 600 releases the axial movement limitation on the knife handle 120;
Step ⑥, moving the handle 120 in the pulling direction, wherein the limiting member 130 can pass through the connecting channel 520 until the handle 120 and the shaft core tube 500 are separated from each other, thereby completing the disassembling operation of the blade body 100, and then moving the push collar 910 in the pulling direction of the handle 120 under the elastic force of the spring to reset, wherein the push collar 910 also drives the second positioning block 700 to move in the pulling direction of the handle 120 through the connecting member 940 to reset.
The embodiment also discloses a medical shaping reciprocating saw bender, which comprises the blade mounting structure of any embodiment. As for the specific structure of the blade mounting structure, reference may be made to the above-described embodiments. Because the medical shaping reciprocating saw bender adopts all the technical schemes of all the embodiments, the medical shaping reciprocating saw bender has at least all the beneficial effects brought by the technical schemes of the embodiments, and is not described in detail herein.
It should be noted that, the blade mounting structure and other contents of the medical shaping reciprocating saw bender disclosed by the invention are the prior art, and are not described herein.
The foregoing is merely an alternative embodiment of the present invention, and is not intended to limit the scope of the present invention, and all applications of the present invention directly/indirectly in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The medical shaping reciprocating saw bending machine comprises a blade body and a handle body, wherein the blade body comprises a blade part and a blade handle part with a cylindrical structure, and the medical shaping reciprocating saw bending machine is characterized by comprising a mounting sleeve, a shaft core sleeve and a shaft core tube which are sequentially sleeved from outside to inside;
The mounting sleeve is fixedly connected with the handle body;
the shaft core sleeve can be connected with the mounting sleeve in a sliding manner along the axis of the shaft core tube;
The shaft core tube is fixedly connected with the shaft core sleeve, a mounting channel extending along the axis of the shaft core tube is arranged in the shaft core tube, the cutter handle part can be inserted into the shaft core tube along the mounting channel, and the inner side wall of the mounting channel is mutually attached to the outer side surface of the cutter handle part so as to limit the radial movement of the cutter handle part;
The cutter blade mounting structure comprises a cutter handle portion, and is characterized in that a limiting piece is arranged at the end, far away from the cutter handle portion, of the cutter handle portion, a notch portion is arranged at the joint of the limiting piece and the cutter handle portion, the cutter blade mounting structure further comprises a first positioning block and a second positioning block, the first positioning block is fixedly arranged in the mounting channel and is used for being embedded into the notch portion to limit axial movement of the cutter handle portion, the second positioning block is slidably connected in the mounting channel and is used for being abutted against the side portion of the limiting piece to limit circumferential movement of the cutter handle portion.
2. The blade mounting structure according to claim 1, wherein the mounting sleeve is provided with an inner recess, the outer side of the shaft core sleeve is provided with a guide groove, the guide groove is arranged along the axial direction of the shaft core tube, and the blade mounting structure comprises a guide member, at least part of the guide member is connected with the inner recess in an embedded manner, and at least part of the guide member is connected with the guide groove in a sliding manner.
3. The blade mounting structure according to claim 2, wherein the guide member has a spherical structure, and the guide member is rotatably connected to the concave portion.
4. The blade mounting structure according to claim 1, wherein an opening is formed at a joint of the mounting sleeve and the handle body, a driving groove is formed at a side portion of the shaft core sleeve, and the driving groove is connected with a transmission structure inside the handle body through the opening, so that the transmission structure can drive the shaft core sleeve to do linear reciprocating sliding motion relative to the mounting sleeve through the driving groove.
5. The blade mounting structure according to claim 1, wherein a connecting passage is provided between the first positioning block and the mounting passage, a passage cross-sectional area of the connecting passage is larger than a cross-sectional area of the stopper, and a passage cross-sectional area of the connecting passage is smaller than a cross-sectional area of the blade portion.
6. The blade mounting structure according to claim 5, wherein a projection area of the second positioning block in the axial direction of the axial core tube is defined as a first projection area, a projection area of the connecting passage in the axial direction of the axial core tube is defined as a second projection area, and at least a part of the first projection area overlaps with the second projection area.
7. The blade mounting structure according to claim 1, further comprising a movable sleeve for sliding the second positioning block to the first position or the second position, wherein the second positioning block is brought into contact with the side portion of the stopper when the second positioning block is slid to the first position, and wherein the second positioning block is released from contact with the side portion of the stopper when the second positioning block is slid to the second position.
8. The blade mounting structure of claim 7, wherein the movable sleeve is slidably disposed between the shaft core sleeve and the shaft core tube, the movable sleeve comprises a push collar and a connecting ring which are coaxially disposed, a spring member is sleeved on the connecting ring, a protruding portion is disposed on the inner side of the shaft core sleeve, two ends of the spring member are respectively abutted to the protruding portion and the push collar, a sliding channel which is disposed along the axial direction of the shaft core tube is disposed between the shaft core sleeve and the shaft core tube, a connecting member is slidably disposed in the sliding channel, and the connecting ring is fixedly connected with the second positioning block through the connecting member.
9. The blade mounting structure according to claim 8, wherein at least a part of the push collar is exposed outside the hub sleeve, and an exposed area of the push collar is provided with an anti-slip pattern.
10. A medical shaping reciprocating saw bender, characterized in that the medical shaping reciprocating saw bender comprises a blade mounting structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411780345.3A CN119344817B (en) | 2024-12-05 | 2024-12-05 | Blade mounting structure and medical plastic reciprocating saw bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411780345.3A CN119344817B (en) | 2024-12-05 | 2024-12-05 | Blade mounting structure and medical plastic reciprocating saw bender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119344817A true CN119344817A (en) | 2025-01-24 |
| CN119344817B CN119344817B (en) | 2025-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411780345.3A Active CN119344817B (en) | 2024-12-05 | 2024-12-05 | Blade mounting structure and medical plastic reciprocating saw bender |
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| Country | Link |
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| CN (1) | CN119344817B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103827408A (en) * | 2011-10-10 | 2014-05-28 | 莫达私人有限公司 | Connector systems for structural frames |
| CA2982306A1 (en) * | 2015-04-14 | 2016-10-20 | Thierry CAI | Device for assembling a battery element with the cartridge, with which it is associated, of an electronic cigarette |
| US20200072267A1 (en) * | 2018-08-29 | 2020-03-05 | Ningbo Tekmax Bicycle Co., Ltd | Bicycle and Crank Assembly Thereof |
| CN218030974U (en) * | 2022-07-18 | 2022-12-13 | 广州市申发机电有限公司 | Pipe position anchor clamps fixed knot constructs and printing machine |
| CN220505513U (en) * | 2023-08-11 | 2024-02-20 | 东莞市抹茶网络科技有限公司 | Telescopic tube structure |
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2024
- 2024-12-05 CN CN202411780345.3A patent/CN119344817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103827408A (en) * | 2011-10-10 | 2014-05-28 | 莫达私人有限公司 | Connector systems for structural frames |
| CA2982306A1 (en) * | 2015-04-14 | 2016-10-20 | Thierry CAI | Device for assembling a battery element with the cartridge, with which it is associated, of an electronic cigarette |
| US20200072267A1 (en) * | 2018-08-29 | 2020-03-05 | Ningbo Tekmax Bicycle Co., Ltd | Bicycle and Crank Assembly Thereof |
| CN218030974U (en) * | 2022-07-18 | 2022-12-13 | 广州市申发机电有限公司 | Pipe position anchor clamps fixed knot constructs and printing machine |
| CN220505513U (en) * | 2023-08-11 | 2024-02-20 | 东莞市抹茶网络科技有限公司 | Telescopic tube structure |
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| Publication number | Publication date |
|---|---|
| CN119344817B (en) | 2025-07-22 |
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