Endoscope stroke locking device

Abstract

The utility model discloses an endoscope stroke locking device which comprises an outer shell, a ball shaft, a ball shell, a supporting ring, a first coupling piece, a second coupling piece and an adjusting assembly. The arranged second coupling piece is driven by the rope, the adjusting assembly is arranged on the side wall of the shell, the adjusting assembly arranged on the side wall of the shell can also be in transmission connection with the second coupling piece through the soft property of the rope, the second coupling piece can be driven from the side wall of the shell through the adjusting assembly, and operation and adjustment are convenient; the first coupling piece and the second coupling piece are driven through the inclined face, convenience and rapidness are achieved, rotating force can be converted into linear force, and driving is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of endoscope, especially an endoscope stroke locking device. BACKGROUND

[0002] Endoscope is common medical instrument, and currently there are many universal adjusting endoscopes, and the existing universal adjusting endoscope has a complex locking mode, and a knob is arranged vertically to push a brake pad to brake a universal ball shell, because the knob is arranged vertically, and it is inconvenient to operate. UTILITY MODEL CONTENTS

[0003] The utility model discloses at least solve one of the prior art technical problems. Therefore, the utility model provides an endoscope stroke locking device, and convenient operation.

[0004] According to the endoscope stroke locking device of the utility model embodiment, including shell, ball shaft, ball shell, support ring, first coupling piece, second coupling piece and adjusting assembly, the ball shaft is arranged in the shell, the ball shell is connected in the ball part of the ball shaft universally, and the ball shell is used for connecting the traction steel wire of the curved part, the support ring is connected in the shell, the first coupling piece is connected on the support ring along the vertical, the first coupling piece is connected the support ring through the elastic element, the elastic element is used for driving the first coupling piece to slide up, the first coupling piece is provided with the brake pad, the brake pad is used for abutting the ball shell, the upper end of the first coupling piece is provided with a plurality of first inclined blocks, and a plurality of first inclined blocks are distributed circumferentially, the second coupling piece is rotatably arranged in the shell, the second coupling piece and the first coupling piece are arranged in the vertical, the lower end of the second coupling piece is provided with a plurality of second inclined blocks, a plurality of second inclined blocks are distributed circumferentially, the second inclined block is used for extruding the first inclined block and making the first coupling piece slide down, and the second coupling piece is wound with the traction rope, the adjusting assembly is arranged on the side wall of the shell, the adjusting assembly is transmission connected with the traction rope, and the adjusting assembly is used for pulling the traction rope and making the second coupling piece rotate, so as to drive the second inclined block and extrude the first inclined block.

[0005] According to the endoscope stroke locking device of the utility model embodiment, at least has the following beneficial effects: the second coupling piece is driven through the rope, the adjusting assembly is arranged on the side wall of the shell, the soft nature of the rope is utilized, the adjusting assembly arranged on the side wall of the shell can also be transmission connected to the second coupling piece, the second coupling piece can be driven from the side wall of the shell through the adjusting assembly, and convenient operation is adjusted, the first coupling piece and the second coupling piece are driven through the inclined plane, convenient and fast, the rotary force can be converted into linear force, and driving is more convenient.

[0006] According to some embodiments of the utility model, the adjusting assembly comprises a connecting seat, a driving shaft and a driving disc, the connecting seat is connected to the shell, the driving shaft is rotatably arranged on the connecting seat, one end of the driving shaft extends out of the shell, the driving disc is connected to the other end of the driving shaft, the driving disc is accommodated in the connecting seat, the driving disc is used for connecting the traction rope, the driving shaft is used for driving the driving disc to rotate, the driving disc is used for pulling the traction rope to realize the rotation of the second coupling piece, the adjusting assembly is simple in structure, the wheel shaft structure is formed by the driving shaft and the driving disc, and labor is saved and operation is facilitated.

[0007] According to some embodiments of the utility model, a plurality of installation grooves are arranged on the driving shaft, the installation grooves are distributed along the axial direction of the driving shaft, the installation grooves are used for installing sealing rings, the sealing rings are used for abutting against the side wall of the shell, the sealing rings are arranged for sealing, and water is prevented from entering the inside of the shell.

[0008] According to some embodiments of the utility model, a limiting block is arranged on the connecting seat, an annular groove is arranged on the outer peripheral wall of the driving disc, the annular groove is used for accommodating and connecting the traction rope, the annular groove is provided with a notch, the notch makes the annular groove present two abutting ends, the limiting block is arranged between the two abutting ends, the abutting ends are used for abutting against the limiting block, the limiting block facilitates the limiting of the rotation amplitude, thereby realizing the degree of adjustment, and over-adjustment or improper adjustment is avoided.

[0009] According to some embodiments of the utility model, the connecting seat is arranged on the side wall of the shell, the axis of the driving shaft extends along the horizontal direction, the rotation axis of the second coupling piece extends along the vertical direction, the traction rope on the second coupling piece is wound in a horizontal plane, two guide sleeves are arranged on the supporting ring, the guide sleeves are arranged in an L shape, the elbow of the guide sleeve is arranged as a circular arc transition surface, the guide sleeves are used for passing through the traction rope to change the horizontal wound traction rope into vertical extension, the two ends of the vertical extension traction rope are respectively connected to the two sides of the annular groove, the guide sleeves realize the change of the direction of the traction rope, and the circular arc transition surface facilitates the passing of the traction rope.

[0010] According to some embodiments of the utility model, one end of the driving shaft is connected with an operation knob, and the operation knob is arranged for convenient operation.

[0011] According to some embodiments of the utility model, a plurality of guide holes are arranged on the support ring, a plurality of guide columns are arranged on the first coupling sheet, the guide holes and the guide columns are arranged one by one in correspondence, the guide columns are slidingly connected in the guide holes, one end of the elastic piece abuts against the support ring, the other end of the elastic piece abuts against the first coupling sheet, the guide holes and the guide columns are arranged in cooperation, the stable sliding of the first coupling sheet is realized, and the stability of braking is guaranteed.

[0012] According to some embodiments of the utility model, the elastic piece is sleeved on the guide column.

[0013] According to some embodiments of the utility model, the elastic piece includes a spiral spring or a rubber block.

[0014] According to some embodiments of the utility model, the brake pad is annularly arranged, an inner ring lower end of the brake pad is provided with a matching surface, the matching surface is used for cooperating with abutting against the spherical shell, the matching surface is arranged to increase the contact area, and the braking is facilitated.

[0015] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0017] Figure 1 It is an explosion of the endoscope stroke locking device for the embodiments of the utility model Figure 1 ;

[0018] Figure 2 It is a schematic view of the ball shaft and the spherical shell of the endoscope stroke locking device shown Figure 1

[0019] It is an explosion of the endoscope stroke locking device for the embodiments of the utility model Figure 3 ; Figure 1 Figure 2 It is an explosion of the endoscope stroke locking device for the embodiments of the utility model

[0020] ; Figure 4 Figure 1 It is an explosion of the endoscope stroke locking device for the embodiments of the utility model

[0021] The shell 100, the ball shaft 200, the spherical shell 300;

[0022] The support ring 400, the guide sleeve 410, the guide hole 420;

[0023] The first coupling sheet 500, the elastic piece 510, the brake pad 520, the matching surface 521;​

[0024] The first inclined block 530 and the guide column 540;

[0025] The second coupling sheet 600, the second inclined block 610 and the traction rope 620;

[0026] The adjusting assembly 700, the connecting seat 710 and the limiting block 711;

[0027] The driving shaft 720, the mounting groove 721 and the operation knob 722;

[0028] The driving wheel disc 730, the ring groove 731, the notch 732 and the abutting end 733. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by the upper, lower, front, rear, left, right and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0031] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two and two or more, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If the first and the second are described, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0032] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0033] Referring to Figures 1 to 4The utility model provides an endoscope stroke locking device, including shell 100, ball shaft 200, spherical shell 300, support ring 400, first coupling piece 500, second coupling piece 600 and adjusting assembly 700, ball shaft 200 sets up in shell 100, spherical shell 300 is connected in the ball part of ball shaft 200 omnidirectionally, spherical shell 300 is used to connect the traction steel wire of bending part, support ring 400 is connected in shell 100, first coupling piece 500 is connected on support ring 400 along the vertical sliding, first coupling piece 500 is connected support ring 400 through elastic member 510, and elastic member 510 is used to drive first coupling piece 500 to slide up, be provided with brake pad 520 on first coupling piece 500, and brake pad 520 is used to abut spherical shell 300, and the upper end of first coupling piece 500 is provided with a plurality of first inclined blocks 530, and a plurality of first inclined blocks 530 are distributed around the circumference, second coupling piece 600 is rotatably set in shell 100, and second coupling piece 600 is set in the vertical opposite with first coupling piece 500, and the lower end of second coupling piece 600 is provided with a plurality of second inclined blocks 610, and a plurality of second inclined blocks 610 are distributed around the circumference, and second inclined block 610 is used to extrude first inclined block 530 and make first coupling piece 500 slide down, and traction rope 620 is wound on second coupling piece 600, adjusting assembly 700 is set in the lateral wall of shell 100, and adjusting assembly 700 is transmission connection traction rope 620, and adjusting assembly 700 is used to pull traction rope 620 and make second coupling piece 600 rotate, to drive second inclined block 610 extrusion first inclined block 530.

[0034] It can be understood that the second coupling piece 600 is driven by the rope, and the adjusting assembly 700 is arranged on the side wall of the shell 100. The soft nature of the rope enables the adjusting assembly 700 arranged on the side wall of the shell 100 to be transmission connected to the second coupling piece 600. The second coupling piece 600 can be driven from the side wall of the shell 100 by the adjusting assembly 700, which facilitates the operation and adjustment. The first coupling piece 500 and the second coupling piece 600 are driven by the inclined surface, which is convenient and fast. The rotational force can be converted into linear force, which makes the driving more convenient.

[0035] In some embodiments, the adjusting assembly 700 comprises a connecting base 710 connected to the shell 100, a driving shaft 720 rotatably arranged on the connecting base 710, one end of the driving shaft 720 extending out of the shell 100, and a driving disc 730 connected to the other end of the driving shaft 720 and accommodated in the connecting base 710, the driving disc 730 being used to connect the traction rope 620, the driving shaft 720 being used to drive the driving disc 730 to rotate, and the driving disc 730 being used to pull the traction rope 620 to realize the rotation of the second coupling sheet 600. The adjusting assembly 700 has a simple structure, forms an axle structure by the driving shaft 720 and the driving disc 730, is labor-saving and convenient to operate, and it can be understood that the driving shaft 720 is connected to the connecting base 710 through a bearing, the connecting base 710 is provided with an accommodation groove for the rotation of the driving disc 730, and the length of the elliptical operation knob installed on the driving shaft 720 is greater than the axle distance between the driving disc 730 and the driving shaft 720, so that labor can be saved, and the bearing and lubricating silicone grease are provided to reduce the friction in use.

[0036] In some embodiments, the driving shaft 720 is provided with a plurality of mounting grooves 721 distributed along the axial direction of the driving shaft 720, the mounting grooves 721 being used to mount sealing rings, and the sealing rings being used to abut against the side wall of the shell 100. The sealing rings are provided to seal and avoid water from entering the inside of the shell 100. It can be understood that the side wall of the shell 100 refers to a wall surface with a thickness, which is to block the gap between the driving shaft 720 and the shell 100.

[0037] In some embodiments, the connecting base 710 is provided with a limiting block 711, the driving disc 730 is provided with an annular groove 731 on the outer peripheral wall thereof, the annular groove 731 being used to accommodate and connect the traction rope 620, the annular groove 731 being provided with a notch 732, the notch 732 making the annular groove 731 present two abutting ends 733, the limiting block 711 being arranged between the two abutting ends 733, and the abutting ends 733 being used to abut against the limiting block 711. The limiting block 711 is convenient for limiting the rotation amplitude, so as to realize the adjusting degree and avoid over-adjustment or improper adjustment.

[0038] In some embodiments, the connecting seat 710 is arranged on the side wall of the shell 100, the axis of the driving shaft 720 extends in a horizontal direction, the rotating axis of the second coupling sheet 600 extends in a vertical direction, the traction rope 620 on the second coupling sheet 600 is wound in a horizontal plane, two guide sleeves 410 are arranged on the support ring 400, the guide sleeves 410 are arranged in an L shape, a circular arc transition surface is arranged at the elbow of the guide sleeves 410, the guide sleeves 410 are used to pass through the traction rope 620 to change the horizontal wound traction rope 620 to vertically extend, the two ends of the vertically extending traction rope 620 are connected to the two sides of the ring groove 731 respectively, the guide sleeves 410 are arranged to change the direction of the traction rope 620, and the circular arc transition surface is arranged to facilitate the passing of the traction rope 620. It can be understood that the side wall is a wall that is at an angle with the horizontal plane. In this way, the lock can be operated by one hand.

[0039] In some embodiments, one end of the driving shaft 720 is connected with an operation knob 722, the operation knob is arranged to facilitate operation, and the operation knob and the driving shaft 720 form a wheel shaft labor-saving mechanism to facilitate use.

[0040] In some embodiments, a plurality of guide holes 420 are arranged on the support ring 400, a plurality of guide columns 540 are arranged on the first coupling sheet 500, the guide holes 420 and the guide columns 540 are arranged in one-to-one correspondence, the guide columns 540 are slidingly connected in the guide holes 420, one end of the elastic member 510 abuts against the support ring 400, the other end of the elastic member 510 abuts against the first coupling sheet 500, the guide holes 420 and the guide columns 540 are arranged in cooperation to realize stable sliding of the first coupling sheet 500 and ensure the stability of braking.

[0041] In some embodiments, the elastic member 510 is sleeved on the guide column 540.

[0042] In some embodiments, the elastic member 510 includes a spiral spring or a rubber block.

[0043] In some embodiments, the brake pad 520 is arranged in a ring shape, the inner ring lower end of the brake pad 520 is provided with a matching surface 521, the matching surface 521 is used to cooperate with the abutment of the spherical shell 300, the matching surface 521 is arranged to increase the contact area and facilitate braking.

[0044] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. An endoscope travel locking device, characterized in that, include: Outer shell (100); A ball bearing (200) is disposed within the housing (100); A spherical shell (300) is universally connected to the ball portion of the ball shaft (200), and the spherical shell (300) is used to connect the traction wire of the bent portion; A support ring (400) is connected inside the housing (100); A first coupling piece (500) is slidably connected to the support ring (400) in a vertical direction. The first coupling piece (500) is connected to the support ring (400) through an elastic element (510). The elastic element (510) is used to drive the first coupling piece (500) to slide upward. A brake pad (520) is provided on the first coupling piece (500). The brake pad (520) is used to abut against the spherical shell (300). A plurality of first inclined blocks (530) are provided at the upper end of the first coupling piece (500). The plurality of first inclined blocks (530) are distributed around the circumference. The second coupling plate (600) is rotatably disposed inside the housing (100). The second coupling plate (600) and the first coupling plate (500) are vertically opposite each other. The lower end of the second coupling plate (600) is provided with a plurality of second inclined blocks (610). The plurality of second inclined blocks (610) are distributed around the circumference. The second inclined blocks (610) are used to squeeze the first inclined block (530) to make the first coupling plate (500) slide downward. A traction rope (620) is wound on the second coupling plate (600). An adjustment component (700) is disposed on the side wall of the housing (100). The adjustment component (700) is connected to the traction rope (620). The adjustment component (700) is used to pull the traction rope (620) to rotate the second coupling plate (600), thereby driving the second inclined block (610) to squeeze the first inclined block (530).

2. The endoscope travel locking device according to claim 1, characterized in that: The adjustment assembly (700) includes: A connecting base (710) is connected to the housing (100); A drive shaft (720) is rotatably mounted on the connecting seat (710), and one end of the drive shaft (720) extends out of the housing (100); A drive wheel (730) is connected to the other end of the drive shaft (720). The drive wheel (730) is housed in the connecting seat (710). The drive wheel (730) is used to connect the traction rope (620). The drive shaft (720) is used to drive the drive wheel (730) to rotate. The drive wheel (730) is used to pull the traction rope (620) to achieve the rotation of the second coupling plate (600).

3. The endoscope travel locking device according to claim 2, characterized in that: The drive shaft (720) is provided with a plurality of mounting grooves (721), which are distributed along the axial direction of the drive shaft (720). The mounting grooves (721) are used to install sealing rings, which are used to abut against the side wall of the housing (100).

4. The endoscope travel locking device according to claim 3, characterized in that: The connecting seat (710) is provided with a limiting block (711), and the outer peripheral wall of the drive wheel (730) is provided with an annular groove (731). The annular groove (731) is used to accommodate and connect the traction rope (620). The annular groove (731) is provided with a notch (732). The notch (732) makes the annular groove (731) present two abutting ends (733). The limiting block (711) is disposed between the two abutting ends (733). The abutting ends (733) are used to abut against the limiting block (711).

5. An endoscope travel locking device according to claim 4, characterized in that: The connecting seat (710) is disposed on the side wall of the housing (100). The axis of the drive shaft (720) extends horizontally, and the rotation axis of the second coupling plate (600) extends vertically. The traction rope (620) on the second coupling plate (600) is wound in the horizontal plane. Two guide sleeves (410) are disposed on the support ring (400). The guide sleeves (410) are L-shaped. The bend of the guide sleeves (410) is set as an arc transition surface. The guide sleeves (410) are used to pass through the traction rope (620) to change the horizontally wound traction rope (620) to a vertical extension. The two ends of the vertically extending traction rope (620) are respectively connected to the two sides of the ring groove (731).

6. An endoscope travel locking device according to claim 5, characterized in that: An operation knob (722) is connected to one end of the drive shaft (720).

7. An endoscope travel locking device according to any one of claims 1 to 6, characterized in that: The support ring (400) is provided with a plurality of guide holes (420), and the first coupling piece (500) is provided with a plurality of guide posts (540). The guide holes (420) and the guide posts (540) are provided in a one-to-one correspondence. The guide posts (540) are slidably connected in the guide holes (420). One end of the elastic member (510) abuts against the support ring (400), and the other end of the elastic member (510) abuts against the first coupling piece (500).

8. An endoscope travel locking device according to claim 7, characterized in that: The elastic element (510) is sleeved on the guide post (540).

9. An endoscope travel locking device according to claim 7, characterized in that: The elastic element (510) includes a helical spring or a rubber block.

10. An endoscope travel locking device according to claim 1, characterized in that: The brake pad (520) is arranged in a ring shape, and the lower end of the inner ring of the brake pad (520) is provided with a mating surface (521), which is used to cooperate and abut against the spherical shell (300).

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