CN217610982U

CN217610982U - Auxiliary device for adjusting locking force

Info

Publication number: CN217610982U
Application number: CN202121187554.9U
Authority: CN
Inventors: 潘胜文
Original assignee: Zhuhai Seesheen Medical Technology Co ltd
Current assignee: Zhuhai Seesheen Medical Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-10-21
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses an adjust auxiliary device of locking dynamics for angle locking device, include: mounting blocks; the screwing mechanism is rotationally connected with the mounting block and is used for driving the locking wheel disc to rotate; and the adjusting mechanism is rotatably connected with the mounting block and is used for driving the second wheel disc to rotate. Twist mechanism and adjustment mechanism soon of setting on the installation piece, make the auxiliary device who adjusts the locking dynamics be an organic whole, the auxiliary device who adjusts the locking dynamics promptly both can lock fast, also can adjust the locking dynamics, when the locking rim plate rotates, if the locking rim plate moves down, the locking rim plate finally can drive friction gasket and compress tightly angle wheel hub, the locking rim plate can lock fast under the rotation drive of twisting the mechanism soon promptly, an initial locking dynamics is provided, drive the second rim plate through adjustment mechanism afterwards and rotate, can further adjust the locking dynamics, high convenience and fast, the trouble of dismouting angle locking device has been removed repeatedly from.

Description

Auxiliary device for adjusting locking force

Technical Field

The utility model relates to an appurtenance technical field, in particular to adjust auxiliary device of locking dynamics.

Background

The endoscope is always provided with an angle locking device, the angle locking device is used for locking or loosening the angle hub, when the angle hub is loosened, the angle hub can rotate, the angle hub can adjust the lens angle of the endoscope, and when the angle hub is locked, the lens angle of the endoscope can be locked.

The angle locking device comprises a hub support, a friction gasket, an angle hub, a first wheel disc, a second wheel disc and a locking wheel disc, wherein the hub support comprises a connecting shaft and a supporting block, the angle hub, the friction gasket, the first wheel disc, the second wheel disc and the locking wheel disc are all rotationally connected to the connecting shaft and sequentially arranged from bottom to top, the friction gasket and the first wheel disc can slide on the connecting shaft, the friction gasket is connected to the lower end of the first wheel disc, the upper end of the first wheel disc and the lower end of the second wheel disc are arranged relatively, a first convex part is arranged at the upper end of the first wheel disc and gradually protrudes upwards along the circumferential direction of the first wheel disc, the lower end of the second wheel disc is provided with a second convex part, the second convex part gradually protrudes downwards along the circumferential direction of the second wheel disc, when the first wheel disc and the second wheel disc rotate relatively, the second convex part and the first convex part are in contact gradually, namely, the second wheel disc pushes the first wheel disc open to drive the friction gasket to gradually compress the angle hub, the angle hub to enable the angle hub to rotate, the handle to adjust the handle, the handle is connected with a handle to adjust the handle, and the handle to adjust the handle, and the handle, the handle is connected to adjust the handle.

To the angle locking device that just produces, need adjust, make its initial locking dynamics at a predetermined value, the regulation mode in the past is, tears down top cap and angle adjustment handle, then cliies the locking rim plate and twists the locking rim plate with tweezers, still need rotate the second rim plate simultaneously to this initial locking dynamics that comes angle locking device adjusts, like this, adjusts at every turn and all need unpack angle adjustment handle and top cap apart, and the governing speed is slow, inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an adjust auxiliary device of locking dynamics can quick adjustment locking rim plate and second rim plate.

According to the utility model discloses an adjust auxiliary device of locking dynamics for angle locking device of first aspect embodiment, include: mounting blocks; the screwing mechanism is rotationally connected with the mounting block and is used for driving the locking wheel disc to rotate; and the adjusting mechanism is rotationally connected with the mounting block and is used for driving the second wheel disc to rotate.

According to the utility model discloses adjust auxiliary device of locking dynamics has following beneficial effect at least: set up on the installation piece revolve wrong mechanism reach adjustment mechanism for the auxiliary device of adjusting the locking dynamics is an organic whole, promptly the auxiliary device of adjusting the locking dynamics both can lock fast, also can adjust the locking dynamics, when the locking rim plate rotated, if the locking rim plate moves down, the locking rim plate finally can drive friction gasket and compress tightly angle wheel hub, promptly the locking rim plate is in revolve wrong rotation drive of mechanism and can lock fast down, provide an initial locking dynamics, pass through afterwards adjustment mechanism drives the second rim plate rotates, can further adjust the locking dynamics, convenient and fast has removed the trouble of dismantling angle locking device repeatedly from.

According to some embodiments of the utility model, the installation piece is first sleeve, first sleeve is used for cup jointing the connecting axle, adjustment mechanism rotates to be connected revolve and twist the mechanism, revolve twist the axis of rotation of mechanism with adjustment mechanism axis of rotation all be with first telescopic axis and coincidence, first sleeve revolve twist the mechanism and reach the adjustment mechanism axis is the same, convenient fixed like this adjust the auxiliary device of locking dynamics, also convenient location and concentric rotation, convenient operation and use.

According to some embodiments of the utility model, it includes second sleeve and inserted block to revolve wrong mechanism, the second sleeve rotates to be connected first sleeve, the telescopic axis of rotation of second with the coincidence of first telescopic axis, the inserted block is connected the second sleeve, the inserted block is used for pegging graft the locking rim plate sets up the second sleeve convenient with the inserted bar rotates to be connected, satisfies promptly the second sleeve with the concentric requirement of inserted bar.

According to the utility model discloses a some embodiments, the inserted block is provided with a plurality ofly, and is a plurality of inserted block evenly distributed is in on the telescopic periphery wall of second, a plurality of equipartitions the inserted block can balance the atress, makes the second sleeve rotates and drives more smoothly during the locking rim plate.

According to the utility model discloses a some embodiments, the telescopic upper end of second can be dismantled and be connected with first hand wheel, first hand wheel is used for handheld drive, can dismantle the connection and be convenient for tearing down first hand wheel is in order to connect torque wrench or other dynamometry instrument.

According to the utility model discloses a some embodiments, adjustment mechanism includes the inserted bar, the inserted bar is followed the telescopic axial of second is pegged graft in the second sleeve, the inserted bar can rotate in the second sleeve, the axis of rotation of inserted bar with the telescopic axis of rotation coincidence of second, the lower extreme of inserted bar is used for pegging graft the second rim plate sets up the inserted bar be used for with second sleeve phase-match makes the inserted bar with second sleeve coaxial line.

According to the utility model discloses a some embodiments, the upper end of inserted bar can be dismantled and be connected with the second hand wheel, the second hand wheel is used for handheld drive, can dismantle the connection and be for convenient tearing down the second hand wheel is in order to connect torque wrench or other dynamometry instrument.

According to the utility model discloses a some embodiments, the inserted bar includes the third sleeve, the third sleeve sets up the lower extreme of inserted bar, the telescopic lower extreme of third is connected with the bolt, the third sleeve is used for dodging the connecting axle, the bolt is used for pegging graft the second rim plate sets up the third sleeve can overlap on the connecting axle, convenient location sets up the bolt can stir when the third sleeve rotates the second rim plate rotates to reach the effect of adjustment locking dynamics.

According to the utility model discloses a some embodiments still include the torque wrench, the torque wrench is used for connecting first hand wheel and/or the second hand wheel, the torque wrench is used for the drive the second sleeve or the inserted bar rotates, sets up the torque wrench is used for measuring the size of locking force, conveniently in subsequent batch production, directly carries out batch production according to the suitable locking force that records, raises the efficiency.

According to the utility model discloses a some embodiments, be provided with three piece at least location sand grips on the internal perisporium of first sleeve, the location sand grip is used for cooperating the wheel hub support with the location first sleeve sets up three piece at least the location sand grip can fix a position a plane.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a cross-sectional view of a three-dimensional viewing angle of an angle locking device acted by an auxiliary device for adjusting locking force according to an embodiment of the present invention;

FIG. 2 is a sectional view of the auxiliary device for adjusting locking force in FIG. 1;

FIG. 3 is a three-dimensional perspective sectional view of the angle locking device of FIG. 1 with the housing removed and with the auxiliary device for adjusting the locking force cut away;

fig. 4 is a three-dimensional view cross-sectional view of fig. 3 showing the angle locking device exploded and cutting the auxiliary device for adjusting the locking force;

FIG. 5 is a schematic structural diagram of the auxiliary device for adjusting locking force shown in FIG. 1;

fig. 6 is an exploded view of the locking force adjusting auxiliary device shown in fig. 5;

fig. 7 is a perspective view, in cross section, of the locking force adjusting auxiliary device shown in fig. 1;

FIG. 8 is a schematic view of the angle locking device;

fig. 9 is an exploded view of the angle locking device shown in fig. 8.

Mounting block 100, positioning convex strip 110;

a screwing mechanism 200, a second sleeve 210, a first hand wheel 211, an insert 220;

an adjusting mechanism 300, an inserted link 310, a second wheel 311, a third sleeve 312 and a bolt 313;

a torque wrench 400;

wheel hub support 510, connecting shaft 511, supporting block 512, top cover 513, angle adjusting handle 514, force adjusting handle 515, friction pad 520, angle wheel hub 530, first wheel disc 540 and first convex part

541. Second sheave 550, second boss 551, locking sheave 560.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, more than, etc. are understood as not including the number, and the terms greater than, less than, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 7, an auxiliary device for adjusting locking force, which is used for an angle locking device, includes: a mounting block 100; the screwing mechanism 200 is rotatably connected with the mounting block 100, and the screwing mechanism 200 is used for driving the locking wheel disc 560 to rotate; and the adjusting mechanism 300 is rotatably connected with the mounting block 100, and the adjusting mechanism 300 is used for driving the second wheel disc 550 to rotate. Twist mechanism 200 and adjustment mechanism 300 soon of setting up on installation piece 100, make the auxiliary device who adjusts the locking dynamics be an organic whole, the auxiliary device who adjusts the locking dynamics promptly both can lock fast, also can adjust the locking dynamics, when locking rim plate 560 rotates, if locking rim plate 560 moves down, locking rim plate 560 finally can drive friction shim 520 and compress tightly angle wheel hub 530, locking rim plate 560 promptly can lock fast under the rotational drive who twists mechanism 200 soon, an initial locking dynamics is provided, drive second rim plate 550 through adjustment mechanism 300 afterwards and rotate, can further adjust the locking dynamics, high convenience and high speed, the trouble of dismantling angle locking device repeatedly has been removed from. It should be noted that the components in the angle locking device are for explaining the structure and function of the present invention. It can be understood that, in the past by the workman unpack apart top cap 513, angle modulation handle 514 and dynamics earlier adjust handle 515 the back, hold tweezers by the workman again and insert the locating hole on the locking rim plate 560, then rotate tweezers and screw up locking rim plate 560, this kind of mode is twisted slowly, hard and inefficiency to the dynamics of screwing up is not good to be controlled, and the utility model provides a twist wrong mechanism 200 and can replace tweezers, adopt first hand wheel 211 can also reach the effect of victory, and the adjustment mechanism 300 that sets up can be after screwing up locking rim plate 560, by the user to locking power degree initiative adjustment.

It can be understood that the angle locking device includes a hub bracket 510, a friction pad 520, an angle hub 530, a first wheel disc 540, a second wheel disc 550 and a locking wheel disc 560, the hub bracket 510 includes a connecting shaft 511 and a supporting block 512, the angle hub 530, the friction pad 520, the first wheel disc 540, the second wheel disc 550 and the locking wheel disc 560 are all rotatably connected to the connecting shaft 511 and are sequentially arranged from bottom to top, the friction pad 520 and the first wheel disc 540 can both slide on the connecting shaft 511, the lower end of the first wheel disc 540 is connected to the friction pad 520, the upper end of the first wheel disc 540 and the lower end of the second wheel disc 550 are oppositely arranged, the upper end of the first wheel disc 540 is provided with a first protrusion 541, the first protrusion 541 gradually protrudes upwards along the circumferential direction of the first wheel disc 540, the lower end of the second wheel disc 550 is provided with a second protrusion 551, the second protrusion 551 gradually protrudes downwards along the circumferential direction of the second wheel disc 550, when the first wheel disc 540 and the second wheel disc 550 rotate relatively, the second convex portion 551 and the first convex portion 541 are gradually contacted, that is, the second wheel disc 550 pushes the first wheel disc 540 open to drive the friction washer 520 to gradually press the angle wheel hub 530, so that the rotation of the angle wheel hub 530 becomes more and more difficult, so as to adjust the force with which the angle wheel hub 530 is locked, the locking wheel disc 560 is in threaded connection with the supporting block 512, the locking wheel disc 560 can move axially along the connecting shaft 511, the locking wheel disc 560 is screwed to determine an initial force, and the locking wheel disc 560 abuts against the second wheel disc 550, the supporting block 512 is covered with the top cover 513, the angle wheel hub 530 is connected with the angle adjusting handle 514, the angle adjusting handle 514 is rotatably connected with the top cover 513, the angle adjusting handle 514 is used for adjusting the rotation angle of the angle wheel hub 530, the top cover 513 is further rotatably connected with the force adjusting handle 515, in use, the force adjusting handle 515 is used for shifting the second wheel disc 550, relative displacement of the second disc 550 and the first disc 540 is provided to adjust the pressure of the friction pads 520 against the angular hub 530.

It can also be appreciated that the second wheel disc 550 and the first wheel disc 540 cooperate for locking and unlocking, the locking wheel disc 560 is used to provide locking force, i.e. the distance of downward movement of the locking wheel disc 560 increases, while the maximum distance of upward movement of the second wheel disc 550 and the first wheel disc 540 is certain, so its locking force becomes larger as the distance of downward movement of the locking wheel disc 560 increases, otherwise, the locking force will be insufficient, even though the maximum distance of upward movement is handled by the second wheel disc 550 and the first wheel disc 540, there will be a remaining gap between the locking wheel disc 560 and the second wheel disc 550, so the contact force of the friction washer 520 and the angle hub 530 will be insufficient, i.e. the locking force will not reach the standard.

In some embodiments, the screwing mechanism 200 may also be a first driver driven by a motor, which is inserted into the locking wheel 560, and the motor drives the driver to rotate the locking wheel 560.

In some embodiments, the adjusting mechanism 300 may also be a second lever driven by a motor, the second lever being rotatably connected to the first lever, the second lever being insertable into the second wheel 550 to rotate the second wheel 550.

In some embodiments, the mounting block 100 is a first sleeve, the first sleeve is used for being sleeved with the connecting shaft 511, the adjusting mechanism 300 is rotatably connected with the screwing mechanism 200, the rotation axis of the screwing mechanism 200 and the rotation axis of the adjusting mechanism 300 are both coincident with the axis of the first sleeve, and the axes of the first sleeve, the screwing mechanism 200 and the adjusting mechanism 300 are the same, so that an auxiliary device for adjusting the locking force can be conveniently fixed, and the positioning and concentric rotation are also convenient, and the operation and the use are convenient.

In some embodiments, the screwing mechanism 200 includes a second sleeve 210 and an insert 220, the second sleeve 210 is rotatably connected to the first sleeve, a rotation axis of the second sleeve 210 coincides with an axis of the first sleeve, the insert 220 is connected to the second sleeve 210, the insert 220 is used for inserting the locking wheel disc 560, the second sleeve 210 is conveniently rotatably connected to the insert rod 310, that is, the concentricity requirement of the second sleeve 210 and the insert rod 310 is met, it is understood that a plurality of insertion holes circumferentially distributed around the locking wheel disc 560 are provided on the locking wheel disc 560, a second insertion pin is provided at a lower end of the insert 220, and the second insertion pin is used for inserting into the insertion holes.

In some embodiments, the plurality of the insertion blocks 220 are provided, the plurality of the insertion blocks 220 are uniformly distributed on the outer circumferential wall of the second sleeve 210, and the plurality of the uniformly distributed insertion blocks 220 can balance the stress, so that the second sleeve 210 rotates and the locking wheel disc 560 is driven more smoothly.

In some embodiments, a first hand wheel 211 is removably attached to the upper end of the second sleeve 210, the first hand wheel 211 being configured for hand-held actuation, the removable attachment facilitating removal of the first hand wheel 211 for attachment to a torque wrench 400 or other load cell.

In some embodiments, the adjusting mechanism 300 includes an insertion rod 310, the insertion rod 310 is inserted into the second sleeve 210 along the axial direction of the second sleeve 210, the insertion rod 310 is rotatable in the second sleeve 210, the rotation axis of the insertion rod 310 coincides with the rotation axis of the second sleeve 210, the lower end of the insertion rod 310 is used for inserting the second wheel 550, and the insertion rod 310 is configured to match with the second sleeve 210, so that the insertion rod 310 and the second sleeve 210 are coaxial.

In some embodiments, a second hand wheel 311 is removably attached to the upper end of the plunger 310, the second hand wheel 311 being used for hand-held actuation, the removable attachment being for easy removal of the second hand wheel 311 for attachment to a torque wrench 400 or other load-measuring tool.

In some embodiments, the insertion rod 310 includes a third sleeve 312, the third sleeve 312 is disposed at a lower end of the insertion rod 310, a pin 313 is connected to a lower end of the third sleeve 312, the third sleeve 312 is used for avoiding the connecting shaft 511, the pin 313 is used for inserting the second wheel disc 550, the third sleeve 312 is disposed to be sleeved on the connecting shaft 511, positioning is facilitated, and the pin 313 is disposed to shift the second wheel disc 550 to rotate when the third sleeve 312 rotates, so as to achieve an effect of adjusting a locking force.

In some embodiments, the torque wrench 400 is further included, the torque wrench 400 is used for connecting the first hand wheel 211 and/or the second hand wheel 311, the torque wrench 400 is used for driving the second sleeve 210 or the insertion rod 310 to rotate, and the torque wrench 400 is used for measuring the locking force, so that mass production is facilitated directly according to the measured appropriate locking force in subsequent mass production, and the efficiency is improved. It will be appreciated that torque wrench 400 is a necessary kit because it is necessary to measure the amount of tightening force.

In some embodiments, at least three positioning ribs 110 are disposed on the inner peripheral wall of the first sleeve, the positioning ribs 110 are used for cooperating with the hub bracket 510 to position the first sleeve, and the at least three positioning ribs 110 are disposed to position a plane.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides an adjust auxiliary device of locking dynamics for angle locking device, its characterized in that includes:

mounting blocks;

the screwing mechanism is rotationally connected with the mounting block and is used for driving the locking wheel disc to rotate;

and the adjusting mechanism is rotationally connected with the mounting block and is used for driving the second wheel disc to rotate.

2. An auxiliary device for adjusting locking strength according to claim 1, wherein: the mounting block is a first sleeve, the first sleeve is used for sleeving a connecting shaft, the adjusting mechanism is connected in a rotating mode and is connected with the screwing mechanism, and the rotating axis of the screwing mechanism and the rotating axis of the adjusting mechanism are both in line with the axis of the first sleeve and coincide with the axis of the first sleeve.

3. An auxiliary device for adjusting locking strength according to claim 2, wherein: the screwing mechanism comprises a second sleeve and an insertion block, the second sleeve is rotatably connected with the first sleeve, the rotating axis of the second sleeve coincides with the axis of the first sleeve, the insertion block is connected with the second sleeve, and the insertion block is used for being connected with the locking wheel disc in an inserting mode.

4. An auxiliary device for adjusting locking strength according to claim 3, wherein: the inserted block is provided with a plurality ofly, and is a plurality of the inserted block evenly distributed is in on the telescopic periphery wall of second.

5. An auxiliary device for adjusting locking strength according to claim 4, wherein: the upper end of the second sleeve is detachably connected with a first hand wheel.

6. An auxiliary device for adjusting locking strength according to claim 5, wherein: the adjusting mechanism comprises an inserting rod, the inserting rod is inserted into the second sleeve along the axial direction of the second sleeve, the inserting rod can rotate in the second sleeve, the rotating axis of the inserting rod is overlapped with the rotating axis of the second sleeve, and the lower end of the inserting rod is used for being inserted into the second wheel disc.

7. An auxiliary device for adjusting locking strength as claimed in claim 6, wherein: the upper end of the inserted bar is detachably connected with a second hand wheel.

8. An auxiliary device for adjusting locking strength as claimed in claim 7, wherein: the inserted bar comprises a third sleeve, the third sleeve is arranged at the lower end of the inserted bar, the lower end of the third sleeve is connected with a bolt, the third sleeve is used for avoiding the connecting shaft, and the bolt is used for being plugged into the second wheel disc.

9. An auxiliary device for adjusting locking strength as claimed in claim 7, wherein: the torque wrench is used for connecting the first hand wheel and/or the second hand wheel and driving the second sleeve or the insert rod to rotate.

10. An auxiliary device for adjusting locking force according to any one of claims 2 to 9, wherein: the inner peripheral wall of the first sleeve is provided with at least three positioning convex strips, and the positioning convex strips are used for being matched with the hub support to position the first sleeve.