TW202106222A - Endoscope joystick structure with damping capable of maintaining shooting angle according to user's requirement - Google Patents

Abstract

The present invention relates to an endoscope joystick structure with damping, which comprises a base, a locking member, and a joystick body. The locking member includes a driven ring sheet, a lower ring sheet, an upper ring sheet, and a plurality of balls. The lower ring sheet has a plurality of ball position-limiting grooves. The upper ring sheet has a plurality of arc-shaped long grooves having inclined bottoms. The plurality of balls are placed in the space formed by the plurality of ball position-limiting grooves and the plurality of arc-shaped long grooves. The joystick body penetrates through the driven ring sheet and is disposed on the base. The driven ring sheet is located between the bottom surface of the lower ring sheet and the top surface of the base.

Description

Endoscope rocker structure capable of providing damping

This creation is related to the rocker structure of the endoscope, especially an endoscope rocker structure that can provide damping.

In order to allow the lens of the endoscope to shoot various angles in a narrow space, in the universal joystick device disclosed in the I528933 patent, a joystick is connected to a steering wheel, so that the steering wheel can be Tilt toward the swing direction of the rocker, and the four corners of the direction control wheel are each provided with a steel cable of the same length to pull an inner view lens. Therefore, the user can change the inner view lens by swinging the rocker Towards any angle you want to shoot.

However, in the conventional technology, when the lens is facing the desired shooting angle, the user must always maintain the swing angle of the rocker to avoid changing the shooting angle of the lens due to the rebound of the rocker, other external forces, or other factors.

In view of the above-mentioned deficiencies, the main purpose of this creation is to provide an endoscope rocker structure that can provide damping, and its locking component can generate a certain amount of damping on the rocker, so that the endoscope rocker structure is also user friendly The rocker can swing when force is applied; it can be positioned when no force is applied, so that the endoscope can maintain the function of shooting angle required by the user.

The reason is that the rocker structure of an endoscope that can provide damping according to the present invention includes: a base with a top surface, a perforation penetrating the base up and down, and a limit set on the top surface Position mechanism; a locking assembly with a driven ring piece, a lower ring piece, an elastic element, an upper ring piece and a plurality of balls; the driven ring piece has a circular hole in the center, which is movably placed in the seat body The top surface; the lower ring piece, the center of which is hollow, can be placed on the driven ring piece up and down, and the top surface of the lower ring piece has a plurality of ball limit grooves recessed downward and opening upwards, The limit mechanism restricts the lower ring piece to only move up and down but cannot move or rotate laterally; the two ends of the elastic element abut the top surface of the seat and the bottom surface of the lower ring piece respectively, and its elasticity returns The force is used to keep the lower ring piece moving upward relative to the seat body; the upper ring piece has a hollow shape in the center and is placed on the lower ring piece. The bottom surface of the upper ring piece has a plurality of arc-shaped lengths that are concave upwards and open downwards. Grooves, each of the arc-shaped long grooves is located above each of the ball limiting grooves, and the bottom of the groove at one end of each of the arc-shaped long grooves to the bottom of the other end is inclined in a high and low shape, and the upper ring piece extends outward from the side An operating rod; the plurality of balls are respectively placed between each of the ball limiting grooves and each of the arc-shaped long grooves, and the upper ring piece is pushed away from the lower ring piece by a predetermined height; a positioning ring cover with a hollow center The positioning ring cover has a thread along the inner edge of the hollowed-out part, and the positioning ring cover is covered on the top surface of the seat body and abuts against the top surface of the upper ring sheet; an adjustment ring with a central shape Hollow shape, the outer edge of the adjusting ring has a thread and is screwed to the thread of the positioning ring cover, the bottom surface of the adjusting ring abuts against the top surface of the upper ring piece, the adjusting ring is rotated by the screw connection It can move up and down relative to the positioning ring cover; and, a rod is provided on the base in a swingable manner by a pivot set, and the pivot set is located below the top surface of the base, the rod The shaft of the body passes through the perforation and the circular hole from bottom to top, and passes through the lower ring piece, the upper ring piece, the positioning ring cover, and the hollowed-out part of the adjusting ring, and the shaft is in the rod The body has a sphere extending downwards and outwards along the periphery, the sphere is located in the circular hole, and when the rod body swings, the hole edge of the circular hole of the driven ring slides along the surface of the sphere; Wherein, the operating lever is operated to make the upper ring piece rotate horizontally relative to the lower ring piece. When the upper ring piece rotates to the highest position of the plurality of balls at the bottom of the plurality of arc-shaped long grooves, it is defined as the release position; When the upper ring piece rotates until the plurality of balls are located at the lowest position of the groove bottom of the plurality of arc-shaped long grooves, it is defined as a locked position.

Preferably, the driven ring piece has a wear ring along the edge of the circular hole, and the wear ring contacts the sphere to slide along the surface of the sphere.

Preferably, it further comprises a non-slip ring piece and an annular gasket, the non-slip ring piece is fixed on the top surface of the driven ring piece, and the annular gasket is fixed on the top of the non-slip ring piece On the other hand, the lower ring piece can be moved up and down on the annular gasket.

Preferably, the anti-slip ring sheet is made of elastic rubber material.

Preferably, the limit mechanism is mainly composed of a plurality of limit posts, which are arranged on the periphery of the lower ring piece, and the lower ring piece has a plurality of hollow parts for the plural limit posts to pass through.

Preferably, the elastic element is an elastic ring, which undulates in a wave-like shape along the circumference.

Preferably, the top surface of the seat body is provided with an annular groove, and the elastic element is accommodated in the annular groove with its undulating bottom.

Preferably, the positioning ring cover is provided with a side hole on one side, and the operating rod system penetrates outward from the side hole to be exposed outside the positioning ring cover.

In order to explain in detail the structure and characteristics of this creation, the following preferred embodiments are described in conjunction with the drawings, in which:

As shown in Figures 1 to 14, the first preferred embodiment of the present creation provides an endoscope rocker structure 10 capable of providing damping, including: a base body 11, a locking component 21, and a positioning ring cover 31. An adjustment ring 41 and a rod 51.

The seat body 11 has a top surface 12, a perforation 13, a limiting mechanism 14, and an annular groove 15. The perforation 13 penetrates the seat body 11 up and down, and the limiting mechanism 14 and the annular groove 15 are both Set on the top surface 12, the limit mechanism 14 is mainly composed of a plurality of limit posts 141.

The locking assembly 21 has a driven ring piece 22, a lower ring piece 23, an elastic element 24, an upper ring piece 25 and a plurality of balls 26.

The driven ring piece 22 has a circular hole 221 in the center, which is movably placed on the top surface 12 of the base 11, and the driven ring piece 22 has a wear ring 222 along the edge of the circular hole 221. In the first preferred embodiment, the two elements of the wear ring 222 and the driven ring sheet 22 are separately arranged as an example, but it is not limited to being arranged separately, and the aforementioned two elements may be integrally formed.

The lower ring piece 23 has a hollow shape in the center, and is placed on the driven ring piece 22 so as to be movable up and down. The top surface of the lower ring piece 23 has a plurality of ball limit grooves 231 recessed downward and opening upward. The limiting mechanism 14 restricts the lower ring piece 23 to only move up and down relative to the seat 11 and cannot move or rotate laterally.

Wherein, the plurality of limit posts 141 are located on the periphery of the lower ring piece 23, and the lower ring piece 23 has a plurality of hollow parts 232 for the plurality of limit posts 141 to pass through, so that the limit mechanism 14 can limit The lower ring piece 23 cannot move or rotate laterally relative to the seat body 11, but can only move up and down.

The two ends of the elastic element 24 are respectively pressed against the top surface 12 of the seat body 11 and the bottom surface of the lower ring piece 23, and its elastic restoring force is used to keep the lower ring piece 23 upward relative to the seat body 11. mobile.

In the first preferred embodiment, the elastic element 24 is an elastic ring that undulates in a wavy shape along the circumference as an example, but it is not limited to it, and may also be a compression spring or a reed. The detailed structure is well-known to those with ordinary knowledge in the technical field to which the creation belongs, and will not be repeated. The elastic element 24 is accommodated in the annular groove 15 with its undulating bottom.

The upper ring piece 25 has a hollow shape in the center and is placed on the lower ring piece 23. The bottom surface of the upper ring piece 25 has a plurality of arc-shaped long grooves 251 recessed upward and opening downward, each of the plurality of arc-shaped long grooves 251 They are respectively located above each of the ball limiting grooves 231, and the groove bottom of one end of each of the plurality of arc-shaped long grooves 251 is inclined at a height to the bottom of the other end. The upper ring piece 25 is provided with an operating rod 252 extending outward from the side edge . In the first preferred embodiment, the plurality of arc-shaped long grooves 251 are arc-shaped grooves with the center of the upper ring piece 25 as the center.

The plurality of balls 26 are respectively positioned between each of the ball limiting grooves 231 and each of the arc-shaped long grooves 251, and the upper ring piece 25 is pushed away from the lower ring piece 23 by a predetermined distance. In the first preferred embodiment, the plurality of balls 26 is an example of a plurality of steel balls, but not limited to steel, and may also be known metals or other high-hardness and wear-resistant materials.

In the first preferred embodiment, the number of the plurality of ball limit grooves 231, the plurality of limit posts 141, the plurality of arc-shaped long grooves 251, and the plurality of balls 26 are four and are arranged in an equiangular ring shape. For example, but not limited to it, the number of each element mentioned in this item can be at least three; in order to obtain the stability of its fixation, in common sense: the fixed structure of one surface is relative to one or two The fixed points, at least three fixed points and are arranged in a ring and equiangularly, can form a relatively stable fixed structure that does not turn over.

The positioning ring cover 31 has a hollow shape in the center, a side hole 32 is provided on one side, and a thread is provided along the inner edge of the hollow part. The positioning ring cover 31 is covered on the top surface 12 of the seat 11 , And abuts against the top surface of the upper ring plate 25, the operating rod 252 penetrates outward from the side hole 32 and is exposed outside the positioning ring cover 31.

The adjusting ring 41 has a hollow shape in the center, and the outer edge of the adjusting ring 41 has a thread that is screwed to the thread of the positioning ring cover 31. The bottom surface of the adjusting ring 41 abuts against the top surface of the upper ring plate 25, and the adjusting ring 41 The ring 41 can move up and down relative to the positioning ring cover 31 when rotated by the screw connection.

The rod body 51 is provided on the base body 11 in a swingable manner by a pivot group 52, and the pivot group 52 is located below the top surface 12 of the base body 11, and the rod body of the rod body 51 is Pass through the perforation 13 and the circular hole 221 from bottom to top, and pass through the lower ring piece 23, the upper ring piece 25, the positioning ring cover 31, and the hollow part of the adjusting ring 41, and the rod body 51 The shaft has a sphere 53 that extends downwards and outwards along the circumference. The sphere 53 is located in the circular hole 221. When the shaft 51 swings, the edge of the circular hole 221 of the driven ring piece 22 The wear ring 222 contacts the ball 53 and slides along the surface of the ball 53. The pivot group 52 is provided for the rod body 51 to have a multi-directional swing function. However, this is a conventional technology and is well-known to those with ordinary knowledge in the art to which the author belongs, and the detailed structure thereof will not be repeated.

Wherein, the operating lever 252 is operated to make the upper ring piece 25 rotate horizontally with respect to the lower ring piece 23. When the upper ring piece 25 rotates until the plurality of balls 26 are located at the highest position of the groove bottom of the plurality of arc-shaped long grooves 251, It is defined as the release position S1; when the upper ring piece 25 rotates to the point where the plurality of balls 26 are located at the lowest position of the groove bottom of the plurality of arc-shaped long grooves 251, it is defined as the locking position S2.

The structure of the first preferred embodiment has been described above, and the operation state of the first preferred embodiment will be described next.

Please refer to FIGS. 4, 5 and 7 again. When the user operates the operating lever 252 to position the upper ring piece 25 at the release position S1, because the plurality of balls 26 is located at the highest position of the groove bottom of the plurality of arc-shaped long grooves 251, The distance between the plurality of balls 26 and the upper ring piece 25 and the lower ring piece 23 is shortened, and the lower ring piece 23 and the driven ring piece 22 are maintained by the elastic restoring force of the elastic element 24 For a predetermined distance, since the lower ring piece 23 is not damped with the driven ring piece 22, the rod body 51 can be easily swayed by an external force.

Please refer to FIGS. 12, 13 and 14, when the user operates the operating lever 252 to position the upper ring piece 25 at the locking position S2, because the plurality of balls 26 is located at the lowest position of the groove bottom of the plurality of arc-shaped long grooves 251 , And increase the distance generated by the plurality of balls 26 from the upper ring piece 25 and the lower ring piece 23. The downward displacement force of the lower ring piece 23 offsets the elastic restoring force of the elastic element 24, so that the lower ring The sheet 23 presses down on the driven ring sheet 22, thereby generating a damping between the driven ring sheet 22 and the top surface 12 of the seat body 11, and therefore, is applied to the rod body 51 to drive the driven ring sheet 22 An external force of the ring piece 22 needs to be greater than the damping in order to cause the rod body 51 to swing.

Thereby, when the user swings the rod 51 to the required angle, the rod 51 can be released, and the rod 51 will be positioned at the angle, so that the rod 51 can be used for both the user and the user. It can swing when force is applied and it can be positioned when force is not applied.

Wherein, before the user starts to operate the rod 51, the adjusting ring 41 can be rotated to make it move up and down relative to the positioning ring cover 31 to change the bottom of the adjusting ring 41 to the bottom of the top surface of the upper ring piece 25. The pressure is adjusted by this: when the upper ring piece 25 is in the locking position S2, the lower ring piece 23 presses the driven ring piece 22 downward, so that the driven ring piece 22 and the top surface of the seat 11 The damping generated by 12; and, when the upper ring piece 25 is in the release position S1, the lower ring piece 23 is propped up by the elastic restoring force of the elastic element 24 and the position where the upper ring piece 25 resists.

Please refer to Figures 15 to 19, the second preferred embodiment of this creation provides an endoscope rocker structure 60 that can provide damping, which is basically the same as the first preferred embodiment disclosed above, with the differences Lies in:

In the first preferred embodiment, after the user adjusts the position of the adjusting ring 41 against the upper ring piece 25 by rotating the adjusting ring 41, it is easy for the user to subsequently position the upper ring piece 25 at the locking position S2. , The position of the adjusting ring 41 against the upper ring piece 25 is too low, and in addition to the distance generated by the plurality of balls 26 from supporting the upper ring piece 25 and the lower ring piece 23, the lower ring piece 23 presses the lower ring piece downwardly. The force of the driven ring piece 22 is too large, which causes the damping between the driven ring piece 22 and the top surface 12 of the seat 11 to be too large, and the rod 51 is difficult to drive the driven ring piece 22, thereby causing difficulty for the user The state of swinging the rod body 51.

In the second preferred embodiment of the present invention, it further includes an anti-slip ring piece 61 and an annular gasket 62. The anti-slip ring piece 61 is made of an elastic rubber material and is fixed on the driven ring piece 22. The annular gasket 62 is fixed on the top surface of the anti-slip ring piece 61, and the lower ring piece 23 is placed on the annular gasket 62 so as to move up and down. When the upper ring piece 25 is at the locking position S2, the lower ring piece 23 presses the annular gasket 62, and the elastic change of the anti-slip ring piece 61 is for the lower ring piece 23 to indirectly press the ring gasket 62 The driven ring piece 22 has a buffer function, so that when the user changes the vertical position of the adjusting ring 41, the user can have a smoother damping lifting curve, and it is easier to achieve that the upper ring piece 25 is at the locking position S2 At the same time, the rod body 51 has the functions of swinging when the user applies force and positioning when no force is applied.

The rest of the structure of the second preferred embodiment and the effects it can achieve are all the same as those of the first preferred embodiment disclosed above, and will not be repeated.

10: Endoscope rocker structure that can provide damping 11: Seat 12: Top surface 13: Piercing 14: Limiting mechanism 141: Limit Column 15: Ring groove 21: Locking components 22: driven ring piece 221: round hole 222: Wear ring 23: Lower ring piece 231: Ball limit groove 232: Hollow 24: elastic element 25: Upper ring piece 251: Arc Long Slot 252: Joystick S1: Release position S2: Locking position 26: Ball 31: Positioning ring cover 32: side hole 41: adjustment ring 51: Rod body 52: Pivot Group 53: Sphere 60: Endoscope rocker structure that can provide damping 61: anti-slip ring 62: Ring gasket

Figure 1 is a combined perspective view of the first preferred embodiment of this creation. Figure 2 is an exploded view of the first preferred embodiment of this creation. Figure 3 is a perspective view of the partial structure of the first preferred embodiment of the invention, showing the combination of the seat body, the driven ring piece and the elastic element. Fig. 4 is a perspective view of the partial structure of the first preferred embodiment of the invention, showing the combination relationship of the seat body and the locking component, and the upper ring piece is in the release position. Fig. 5 is a top view of the partial structure of the first preferred embodiment of the invention, showing the combination relationship of the seat body and the locking component, and the upper ring piece is located at the release position. Figure 6 is a cross-sectional view taken along line 6-6 in Figure 5. Figure 7 is a cross-sectional view taken along the line 7-7 in Figure 5. Fig. 8 is a perspective view of the partial structure of the first preferred embodiment of the present creation, showing the combined relationship of the seat body, the locking assembly, the adjustment ring and the positioning ring cover, and the upper ring piece is in the release position. Figure 9 is a cross-sectional view taken along the line 9-9 in Figure 8. Fig. 10 is a perspective view of the partial structure of the first preferred embodiment of the creation, showing the combined relationship of the driven ring piece and the rod body. Figure 11 is a cross-sectional view taken along the line 11-11 in Figure 10. Fig. 12 is a perspective view of the partial structure of the first preferred embodiment of the invention, showing the combination relationship of the base body and the locking component, and the upper ring piece is located at the locking position. Figure 13 is a top view of the partial structure of the first preferred embodiment of the invention, showing the combination relationship of the seat body and the locking component, and the upper ring piece is located at the locking position. Figure 14 is a cross-sectional view taken along the line 14-14 in Figure 13. Figure 15 is a combined perspective view of the second preferred embodiment of this creation. Figure 16 is a perspective view of the partial structure of the second preferred embodiment of the creation, showing the driven ring piece. Figure 17 is an exploded view of the partial structure of the second preferred embodiment of this creation, showing the driven ring piece. Figure 18 is a top view of the partial structure of the second preferred embodiment of this creation, showing the driven ring piece. Figure 19 is a cross-sectional view taken along line 19-19 in Figure 18.

10: Endoscope rocker structure that can provide damping

11: Seat

12: Top surface

252: Joystick

31: Positioning ring cover

32: side hole

41: adjustment ring

51: Rod body

Claims (8)

An endoscope rocker structure that can provide damping, including: A base body with a top surface, a perforation through the base body up and down, and a limit mechanism provided on the top surface; A locking assembly, with a driven ring piece, a lower ring piece, an elastic element, an upper ring piece and a plurality of balls; The driven ring piece has a circular hole in the center and is movably placed on the top surface of the seat body; The lower ring piece has a hollow shape in the center and is placed on the driven ring piece to be movable up and down, and the top surface of the lower ring piece has a plurality of ball limit grooves recessed downwards with openings facing upwards. The limit mechanism It is restricted that the lower ring piece can only move up and down and cannot move or rotate laterally; The two ends of the elastic element respectively abut against the top surface of the seat body and the bottom surface of the lower ring piece, and the elastic restoring force is used to keep the lower ring piece moving upward relative to the seat body; The upper ring piece has a hollow shape in the center and is placed on the lower ring piece. The bottom surface of the upper ring piece has a plurality of arc-shaped long grooves that are recessed upward and open downward, and each of the arc-shaped long grooves is located in each of the ball limiting groove Above, and the bottom of one end of each arc-shaped long groove to the bottom of the other end is inclined, and the upper ring piece is provided with an operating rod extending outward from the side edge; The plurality of balls are respectively placed between each of the ball limit grooves and each of the arc-shaped long grooves, and the upper ring piece is pushed away from the lower ring piece by a predetermined height; A positioning ring cover whose center is hollow, the positioning ring cover has a thread along the inner edge of the hollow part, and the positioning ring cover is arranged on the top surface of the seat body and abuts against the top of the upper ring sheet surface; An adjustment ring with a hollow shape in the center. The outer edge of the adjustment ring has a thread and is screwed to the thread of the positioning ring cover. The bottom surface of the adjustment ring abuts against the top surface of the upper ring piece. The adjustment ring is driven by the screw The positioning ring cover can move up and down relative to the positioning ring cover when rotating; and A rod body is set on the base in a swingable manner by a pivot set, and the pivot set is located below the top surface of the base, and the shaft of the rod passes through the base from bottom to top The perforation and the round hole, and the hollow part passing through the lower ring piece, the upper ring piece, the positioning ring cover, and the adjusting ring, and the rod body is formed by extending downwardly and outwardly along the circumference of the shaft A sphere, the sphere is located in the circular hole, when the rod body swings, the hole edge of the circular hole of the driven ring piece slides along the surface of the sphere; Wherein, the operating lever is operated to make the upper ring piece rotate horizontally relative to the lower ring piece. When the upper ring piece rotates to the highest position of the plurality of balls at the bottom of the plurality of arc-shaped long grooves, it is defined as the release position; When the upper ring piece rotates until the plurality of balls are located at the lowest position of the groove bottom of the plurality of arc-shaped long grooves, it is defined as a locked position. The endoscope rocker structure capable of providing damping as described in item 1 of the scope of application, wherein: the driven ring piece has a wear-resistant ring along the edge of the circular hole, and the wear-resistant ring contacts the sphere. Sliding along the surface of the sphere. As described in item 1 of the scope of application, the endoscope rocker structure capable of providing damping, which further includes a non-slip ring piece and a ring-shaped gasket, the non-slip ring piece is fixed on the driven ring piece On the top surface, the annular gasket is fixedly arranged on the top surface of the anti-slip ring piece, and the lower ring piece is placed on the annular gasket so as to move up and down. As described in item 3 of the scope of application, the rocker structure of the endoscope capable of providing damping, wherein: the anti-slip ring sheet is made of elastic rubber material. As described in item 1 of the scope of application, the endoscope rocker structure that can provide damping, wherein: the limit mechanism is mainly composed of a plurality of limit posts, which are arranged on the periphery of the lower ring piece, and the lower ring piece has plural hollow parts , For the plurality of limit posts to pass through. As described in item 1 of the scope of application, the rocker structure of the endoscope capable of providing damping, wherein: the elastic element is an elastic ring that undulates in a wavy shape along the circumference. As described in item 6 of the scope of application, the endoscope rocker structure capable of providing damping, wherein: the top surface of the seat body is provided with an annular groove, and the elastic element is accommodated in the ring with its undulating bottom状槽内。 In the slot. As described in item 1 of the scope of application, the endoscope rocker structure capable of providing damping, wherein: the positioning ring cover is provided with a side hole on one side, and the operating rod is penetrated from the side hole and exposed to the Outside the positioning ring cover.

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