CN217177132U

CN217177132U - Connecting shaft sleeve, mounting seat and motor fixing device

Info

Publication number: CN217177132U
Application number: CN202122795384.9U
Authority: CN
Inventors: 王聪
Original assignee: Chongqing Jinshan Medical Technology Research Institute Co Ltd
Current assignee: Chongqing Jinshan Medical Technology Research Institute Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-08-12
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of medical machinery, especially, relate to a connecting axle sleeve, mount pad and motor fixing device. The utility model discloses a connecting shaft sleeve, including the axle sleeve body, this internal edge axial and the open smooth chamber of one end that is equipped with of axle sleeve, the symmetry is equipped with the fluting on the lateral wall in smooth chamber, and the axle sleeve body is kept away from open one end and is equipped with the dysmorphism through-hole that communicates with smooth chamber, slides in the smooth chamber and is equipped with the joint, and the pot head that smooth chamber was kept away from to the axle sleeve body is equipped with the spacing ring. The utility model discloses a develop the effectual fixed motor that zooms of ability, the effectual transmission of the torque of motor that zooms is epaxial flexible for flexible axle is at certain angle within range internal rotation and telescopic motor fixing device that zooms.

Description

Connecting shaft sleeve, mounting seat and motor fixing device

Technical Field

The utility model relates to the technical field of medical machinery, especially, relate to a connecting axle sleeve, mount pad and motor fixing device.

Background

In order to facilitate the further observation and diagnosis of the digestive tract lesion by the doctor, an electronic endoscope with an optical magnifying function is necessary for the doctor. An electronic endoscope is a device having an elongated flexible insertion portion and provided with a camera at its front end. During the use process of the endoscope, certain positions of the endoscope are observed after being locally enlarged according to clinical requirements so as to clearly find the characteristics of the focus, and meanwhile, the requirement of a conventional view field angle is met during the examination, so that the endoscope is required to have an optical zooming function. Optical zooming is usually realized by driving a flexible shaft to rotate for a certain angle and driving a zoom lens to move by a zoom motor, and the flexible shaft can stretch along with the movement of the zoom lens. Therefore, how to effectively fix the zoom motor and effectively transmit the torque of the zoom motor to the flexible shaft, so that the flexible shaft rotates and stretches in a certain angle range becomes a problem to be solved.

Therefore, those skilled in the art have made efforts to develop a zoom motor fixing apparatus that can effectively fix the zoom motor, and effectively transmit the torque of the zoom motor to the flexible shaft, so that the flexible shaft can rotate within a certain angle range and can be retracted.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of the prior art, the utility model discloses a can effectual fixed motor that zooms, the effectual transmission of torque of motor that zooms is epaxial to the flexible for flexible axle rotation and telescopic zoom motor fixing device in certain angular range.

In order to achieve the above object, the utility model provides a spacing ring, which comprises a ring body, the ring is equipped with two spacing archs outward, spacing arch is the symmetry setting for radially, has seted up fixing hole on the ring body.

The utility model also provides a joint, the connecting pipe comprises a connecting pipe, be equipped with in the connecting pipe along axial installation through-hole, the connecting pipe external symmetry is equipped with the direction arch, the direction arch is along radial setting, still is equipped with the soldering tin hole that runs through on the connecting pipe.

The utility model also provides a connecting shaft sleeve, including the axle sleeve body, this internal along the open smooth chamber of axial and one end that is equipped with of axle sleeve, the symmetry is equipped with the fluting on the lateral wall in smooth chamber, and the axle sleeve body is kept away from open one end and is equipped with the dysmorphism through-hole that communicates with smooth chamber.

The utility model also provides a mount pad, comprising a base plate, the upside of bottom plate is equipped with the carriage, and the one end of bottom plate is equipped with the support frame, be equipped with spacing convex part on the bottom plate between carriage and the support frame, form the spacing groove between the both sides of spacing convex part and the bottom plate, spacing convex part is located the one end that is close to the carriage.

Preferably, a limiting hole is formed in the supporting frame, the limiting hole is a square hole or a round hole, and the shape of the limiting hole is matched with the shape of the end of the motor and used for fixing the motor.

Preferably, a steel wire hole is formed in the support frame, and the inside of the steel wire hole is used for penetrating the flexible shaft steel wire to play a role in supporting the flexible shaft steel wire.

Preferably, the support frame includes continuous annular connecting portion and toper connecting portion, the solid fixed ring of toper is equipped with outward to the toper connecting portion, the solid fixed ring of toper and annular connecting portion overcoat are equipped with fixation nut.

The utility model also provides a motor fixing device, including spacing ring, joint, connecting shaft sleeve and mount pad as above, install tip shape complex motor in the carriage, install the pivot of motor in the dysmorphism through-hole, the one end that is close to the motor outside the shaft sleeve body is fixed to be established the spacing ring, spacing arch can respectively with the corresponding spacing groove joint; the joint is installed in the sliding cavity, the grooves are respectively in sliding fit with the guide protrusions, a flexible shaft steel wire is fixedly connected in the installation through hole, and the flexible shaft steel wire is in sliding fit with the steel wire hole. The special-shaped through hole can be a D-shaped hole, and the shape of the rotating shaft of the motor is matched with the D-shaped hole. The rotating shaft of the motor rotates to drive the connecting shaft sleeve to rotate, and the joint in the connecting shaft sleeve rotates along with the connecting shaft sleeve due to the limitation of the guide protrusion of the joint. And because the guide bulge can slide in the slot, the flexible shaft steel wire can drive the joint to move in the sliding cavity when stretching. In addition, when the limiting bulge of the limiting ring rotates into the limiting groove of the mounting seat, the rotation of the limiting ring is limited, so that the rotation of the connecting shaft sleeve and the flexible shaft steel wire is limited, and the flexible shaft steel wire can only rotate within a certain angle range. And, can be through adjusting spacing bellied position that sets up, angle range is adjusted. The utility model discloses a motor fixing device can be with zooming on the effectual flexible axle steel wire that transmits of torque of motor to the restriction flexible axle steel wire is at certain angle within range rotation and scalable, provides the basic condition for zooming of endoscope.

Preferably, a protective sleeve is sleeved between the conical connecting portion and the conical fixing ring, the flexible shaft steel wire is movably mounted in the protective sleeve, and the protective sleeve is used for protecting the flexible shaft steel wire and avoiding damage to internal organs of a patient when the flexible shaft steel wire rotates. The conical connecting part and the conical fixing ring of the mounting seat play a role in reinforcing the protective sleeve.

The utility model also provides a pair of motor fixing device, still including fixed cover, the afterbody of mount pad and motor is packed into in the fixed cover.

The utility model has the advantages that:

through the utility model discloses a motor fixing device's setting can be with the effectual flexible axle steel wire that transmits of torque of the motor that zooms to it is scalable at certain angle within range rotation and to restrict the flexible axle steel wire, for zooming of endoscope provides basic condition, does benefit to the more clear zooming of endoscope, makes the observation more accurate.

Drawings

Fig. 1 is a schematic structural view of a stop collar of the present invention;

FIG. 2 is a schematic cross-sectional view of the stop collar of the present invention;

fig. 3 is a schematic structural view of the joint of the present invention;

fig. 4 is a schematic structural view of the connecting sleeve of the present invention;

Fig. 5 is a schematic structural diagram of the mounting seat of the present invention;

fig. 6 is a schematic structural view of the motor fixing device of the present invention;

fig. 7 is a schematic cross-sectional view of the motor fixing device of the present invention;

FIG. 8 is an enlarged view of a portion G of FIG. 7;

FIG. 9 is an enlarged partial view of FIG. 7 at H;

fig. 10 is an exploded view of the motor fixing device according to the present invention.

In the above drawings: 1. fixing a nut; 2. a tapered retainer ring; 3. a joint; 31. a connecting pipe; 32. mounting a through hole; 33. a guide projection; 34. soldering tin holes; 4. connecting the shaft sleeve; 41. a shaft sleeve body; 42. a slide chamber; 43. grooving; 44. a special-shaped through hole; 5. a limiting ring; 51. a ring body; 52. a limiting bulge; 53. a fixing through hole; 6. a mounting seat; 61. a base plate; 62. a support frame; 63. a support frame; 631. an annular connecting portion; 632. A tapered connection portion; 64. a limiting convex part; 65. a limiting groove; 7. fixing a sleeve; 8. a motor; 91. a flexible shaft steel wire; 92. and (7) protecting the sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of 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 manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and fig. 2, the utility model provides a spacing ring 5, including ring body 51, ring body 51 is equipped with two spacing archs 52 outward, and spacing archs 52 are the symmetry setting for radially, have seted up fixing hole 53 on the ring body 51.

As shown in fig. 3, the utility model also provides a joint 3, including connecting pipe 31, be equipped with in the connecting pipe 31 along axial installation through-hole 32, the connecting pipe 31 external symmetry is equipped with direction arch 33, and direction arch 33 is along radial setting, still is equipped with the soldering tin hole 34 that runs through on the connecting pipe 31. The connecting pipe 31 includes a first connecting pipe and a second connecting pipe connected to each other, the diameter of the first connecting pipe is larger than that of the second connecting pipe, and the second connecting pipe is provided with a soldering tin hole 34. And the inside end of second connecting pipe is equipped with the bell mouth that is used for holding soldering tin, is convenient for consolidate flexible axle steel wire 91.

As shown in fig. 4, the utility model also provides a connecting shaft sleeve 4, including axle sleeve body 41, be equipped with along the open smooth chamber 42 of axial and one end in the axle sleeve body 41, the symmetry is equipped with fluting 43 on the lateral wall of smooth chamber 42, and axle sleeve body 41 is kept away from open one end and is equipped with the dysmorphism through-hole 44 that communicates with smooth chamber 42.

As shown in fig. 5, the utility model also provides a mount pad 6, including bottom plate 61, the upside of bottom plate 61 is equipped with carriage 62, and the one end of bottom plate 61 is equipped with support frame 63, is equipped with spacing convex part 64 on the bottom plate 61 between carriage 62 and the support frame 63, forms spacing groove 65 between the both sides of spacing convex part 64 and the bottom plate 61, and spacing convex part 64 is located the one end that is close to carriage 62. Further, a limiting hole is formed in the supporting frame 62, the limiting hole is a square hole or a round hole, and the shape of the limiting hole is matched with the shape of the end portion of the motor 8 and used for fixing the motor 8. When the limiting hole is a round hole, the end part of the motor 8 becomes a thread. In addition, a steel wire hole is formed in the support frame 63, and the inside of the steel wire hole is used for penetrating through the flexible shaft steel wire 91 to play a role in supporting the flexible shaft steel wire 91. The support frame 63 comprises an annular connecting portion 631 and a conical connecting portion 632 which are connected, a conical fixing ring 2 is arranged outside the conical connecting portion 632, and a fixing nut 1 is sleeved outside the conical fixing ring 2 and the annular connecting portion 631. The mounting seat 6 of the motor 8 is provided with a screw mounting through hole 32, and the mounting seat 6 of the motor 8 is fixed in the mirror body shell through a screw A.

As shown in fig. 6 to 10, the utility model also provides a motor fixing device, including spacing ring 5 as above, joint 3, connecting sleeve 4 and mount pad 6, install tip shape complex motor 8 in the carriage 62, install the pivot of motor 8 in the dysmorphism through-hole 44, dysmorphism through-hole 44 can be the D shape hole, the shape and this D shape hole cooperation of the pivot of motor 8. The side wall of the special-shaped through hole 44 is provided with a through hole matched with the stop screw C, and the connecting shaft sleeve 4 is fixed on the rotating shaft of the motor 8 through the stop screw C. The limiting ring 5 is fixedly sleeved at one end, close to the motor 8, of the shaft sleeve body 41, the fixing through hole 53 in the limiting ring 5 is used for installing a stop screw B, and after the angle position of the limiting ring 5 is adjusted, the limiting ring 5 and the connecting shaft sleeve 4 can be relatively fixed through the stop screw B. The limiting protrusions 52 can be respectively clamped with the corresponding limiting grooves 65. The sliding cavity 42 is internally provided with the joint 3, the slot 43 is respectively in sliding fit with the guide bulge 33, the mounting through hole 32 is internally and fixedly connected with a flexible shaft steel wire 91, and the flexible shaft steel wire 91 is in sliding fit with a steel wire hole.

In this embodiment, the rotation shaft of the motor 8 rotates to drive the connecting shaft sleeve 4 to rotate, and the joint 3 inside the connecting shaft sleeve 4 rotates along with the connecting shaft sleeve 4 due to the limitation of the guide protrusion 33 of the joint 3. And because the guide bulge 33 can slide in the slot 43, the flexible shaft steel wire 91 can drive the joint 3 to move in the sliding cavity 42 when stretching. In addition, when the limiting protrusion 52 of the limiting ring 5 rotates into the limiting groove 65 of the mounting seat 6, the rotation of the limiting ring 5 is limited, so that the rotation of the connecting shaft sleeve 4 and the flexible axle wire 91 is limited, and the flexible axle wire 91 can only rotate within a certain angle range. Moreover, the angle range can be adjusted by adjusting the setting position of the limiting protrusion 52. Through the utility model discloses a setting of 8 fixing device of motor can be with zooming on the effectual flexible axle steel wire 91 that transmits of motor 8's torque to restriction flexible axle steel wire 91 is at certain angular range internal rotation and scalable, provides basic condition for zooming of endoscope, does benefit to the more clear zooming of endoscope, makes the observation more accurate.

As shown in fig. 9, a protective sleeve 92 is sleeved between the conical connecting portion 632 and the conical fixing ring 2, the flexible shaft steel wire 91 is movably mounted in the protective sleeve 92, and the protective sleeve is used for protecting the flexible shaft steel wire 91 and avoiding damage to internal organs of a patient when the flexible shaft steel wire 91 rotates. The conical connection portion 632 of the mounting seat 6 and the conical fixing ring 2 play a role in reinforcing the protective sleeve. In addition, this motor 8 fixing device still includes fixed cover 7, and the afterbody of mount pad 6 and motor 8 is packed into in fixed cover 7, and screw D is fixed cover 7 on mount pad 6.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A connecting shaft sleeve is characterized in that: including axle sleeve body (41), be equipped with in axle sleeve body (41) along axial and the open smooth chamber of one end (42), the symmetry is equipped with fluting (43) on the lateral wall of smooth chamber (42), and open one end is kept away from in axle sleeve body (41) is equipped with special-shaped through-hole (44) that communicate with smooth chamber (42), it is equipped with joint (3) to slide in chamber (42), and the pot head that slides chamber (42) was kept away from in axle sleeve body (41) is equipped with spacing ring (5).

2. A connecting bushing according to claim 1, wherein: the connector (3) comprises a connecting pipe (31), an axial mounting through hole (32) is formed in the connecting pipe (31), guide protrusions (33) are symmetrically arranged outside the connecting pipe (31), and a penetrating soldering tin hole (34) is formed in the connecting pipe (31).

3. A connecting bushing according to claim 2, wherein: the limiting ring (5) comprises a ring body (51), two limiting protrusions (52) are arranged outside the ring body (51), and fixing through holes (53) are formed in the ring body (51).

4. A mount pad, its characterized in that: the device comprises a bottom plate (61), wherein a supporting frame (62) is arranged on the upper side of the bottom plate (61), a supporting frame (63) is arranged at one end of the bottom plate (61), a limiting convex part (64) is arranged on the bottom plate (61) between the supporting frame (62) and the supporting frame (63), a limiting groove (65) is formed between two sides of the limiting convex part (64) and the bottom plate (61), and the limiting convex part (64) is positioned at one end close to the supporting frame (62); the bottom plate (61) is provided with a coupling sleeve (4) according to any one of claims 1 to 3.

5. The mount of claim 4, wherein: a limiting hole is formed in the supporting frame (62), and the limiting hole is a square hole or a round hole.

6. The mount of claim 5, wherein: a steel wire hole is arranged in the supporting frame (63).

7. The mount of claim 6, wherein: support frame (63) are including annular connecting portion (631) and toper connecting portion (632) that link to each other, toper connecting portion (632) are equipped with the solid fixed ring of toper (2) outward, the solid fixed ring of toper (2) and annular connecting portion (631) overcoat are equipped with fixation nut (1).

8. An electric machine fixture comprising a mounting (6) according to claim 7, characterized in that:

a motor (8) with a matched end shape is installed in the supporting frame (62), a rotating shaft of the motor (8) is installed in the special-shaped through hole (44), the limiting ring (5) is fixedly sleeved at one end, close to the motor (8), of the outer side of the shaft sleeve body (41), and the limiting protrusions (52) can be respectively clamped with the corresponding limiting grooves (65); the connector (3) is installed in the sliding cavity (42), the grooves (43) are respectively in sliding fit with the guide protrusions (33), the flexible shaft steel wires (91) are fixedly connected in the installation through holes (32), and the flexible shaft steel wires (91) are in sliding fit with the steel wire holes.

9. The motor fixing device according to claim 8, wherein: protective sleeve (92) is sleeved between the conical connecting portion (632) and the conical fixing ring (2), and the flexible shaft steel wire (91) is movably installed in the protective sleeve (92).

10. The motor fixing device according to claim 8, wherein: the motor is characterized by further comprising a fixed sleeve (7), wherein the tail parts of the mounting seat (6) and the motor (8) are installed in the fixed sleeve (7).