CN217792962U

CN217792962U - Snake bone bending control mechanism

Info

Publication number: CN217792962U
Application number: CN202221925214.6U
Authority: CN
Inventors: 杨晓薇
Original assignee: Jiangsu Mole Electronic Technology Co ltd
Current assignee: Jiangsu Mole Electronic Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-15
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a snake bone bending control mechanism, its technical scheme main points are: the hand wheel shaft column is movably sleeved on the inner circle wall surface of the sleeving hole; the protection subassembly, the protection subassembly sets up operating housing's inside for the protection is drawn the steel wire, through setting up the spacing groove, the spacing groove consumptive material when can reducing preparation limit stop, and then can greatly reduced cost, through setting up limit stop, limit stop can be when the hand wheel shaft post is rotatory the size of indisputable jie's steel wire stroke, thereby the bending angle of snake bone has been controlled, the atress problem of effectual control traction steel wire, guarantee the stability of long-time work, and then the stability of steel wire has been protected, cup joint the hole through the setting, cup joint the hole and can protect the hand wheel shaft post in inside.

Description

Snake bone bending control mechanism

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to snake bone bending control mechanism.

Background

As an important item of current hospital examination, the endoscope has important practical significance, and the endoscope can be used for observing the ulcer or the tumor in the stomach and making an optimal treatment scheme according to an observation result.

For example, chinese patent publication No. CN208610801U mentions the rotatory bending control mechanism of the endoscope, and this patent can control the rotation direction of the snake bone at the front end of the endoscope and the bending angle of the snake bone within 360 degrees by one-hand operation, and is compared with two-hand operation, the utility model discloses control is more convenient, and location is quicker, and is compared with one-hand electric operation, the utility model discloses the operation is more reliable, and it is easier to look for the target, but this scheme is in-process of practical application, because use the snake bone of buckling for a long time, may lead to the snake bone to pull excessively and break through yield strength, appears the risk of snake bone fracture phenomenon, and we have proposed a snake bone bending control mechanism for this reason.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a snake bone bending control mechanism has solved because long-time use the snake bone of buckling, may lead to the snake bone to pull excessively and has broken through yield strength, appears the problem of the risk of snake bone fracture phenomenon.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a snake bone bending control mechanism comprising: the outer circle wall surface of the operation shell is provided with two communicating holes, two ends of the operation shell are fixedly provided with fixing rings, two ends of the operation shell are provided with sleeve holes, and the inner circle wall surface of each sleeve hole is movably sleeved with a hand wheel shaft column; and the protection component is arranged inside the operation shell and used for protecting the traction steel wire.

Through adopting above-mentioned technical scheme, cup joint the hole through the setting, cup joint the hole and can protect the hand wheel jack-post in inside, restricted the position of hand wheel jack-post in the operation shell is inside simultaneously.

Preferably, the protection assembly includes: two limit stop, two the equal fixed mounting of limit stop is in the excircle wall of hand wheel jack-post, the spacing groove has been seted up to limit stop's top surface, the excircle wall movable sleeve that cup joints the hole is equipped with the hand wheel axle sleeve, the top surface of hand wheel axle sleeve with the bottom surface fixed mounting of operation shell, the top surface of hand wheel axle sleeve sets up the sealing washer, the fixed cover of interior round wall of solid fixed ring is equipped with the apron, the bottom surface of apron is provided with the sealing washer.

Through adopting above-mentioned technical scheme, through setting up the spacing groove, the spacing groove can reduce the consumptive material when making limit stop, and then can greatly reduced cost, through setting up limit stop, limit stop can be when the hand wheel jack-post is rotatory big or small of indisputable sons bone steel wire stroke to the bending angle of snake bone has been controlled, the effectual stress problem of control traction steel wire guarantees the stability of long-time work, and then has protected the stability of steel wire.

Preferably, a hand wheel connecting rod is arranged on the top surface of the operating shell, a sleeve joint is formed in the top surface of the hand wheel connecting rod, a hole-forming nut is fixedly mounted on the top surface of the hand wheel connecting rod, a positioning block is fixedly mounted on the top end of the hand wheel shaft column, a clamping block is fixedly mounted on the top end of the positioning block, a thread groove is formed in the top surface of the clamping block, and the inner circle wall surface of the thread groove is in threaded connection with the hole-forming nut.

Through adopting above-mentioned technical scheme, through setting up the joint piece, the joint piece can be held by the cover interface in inside to utilize the threaded connection of joint piece and trompil nut, make hand wheel jack-post and hand wheel connecting rod synchronous motion, through setting up the hand wheel connecting rod, the hand wheel connecting rod can drive hand wheel jack-post synchronous motion under medical personnel's stirring.

Preferably, the bottom surface of the hand wheel shaft column is fixedly provided with a stabilizing block, the bottom surface of the hand wheel shaft sleeve is provided with a rotating wheel, the top surface of the rotating wheel is provided with a connecting port, and the stabilizing block is fixedly clamped inside the connecting port.

Through adopting above-mentioned technical scheme, through setting up the runner, the runner can be synchronous rotation under the drive of hand wheel jack-post to pull the snake bone steel wire, through setting up the stabilizing block, the stabilizing block can utilize the structural feature of self can better drive the runner activity.

Preferably, the top surface of the cover plate is provided with a holding groove, the top surface of the cover plate is provided with an indicating groove, the inner bottom surface of the holding groove is provided with a through hole, and the inner bottom surface of the holding groove is fixedly provided with a threaded ring.

Through adopting above-mentioned technical scheme, through setting up the instruction groove, instruct the groove and can remind medical personnel to remove the direction of hand wheel connecting rod to inform medical personnel's effect behind the movable hand wheel connecting rod.

Preferably, one end of the hand wheel connecting rod is fixedly provided with a connecting block, and one side of the connecting block is fixedly provided with an anti-skid block.

Through adopting above-mentioned technical scheme, through setting up the connecting block, the connecting block can prolong the length of hand wheel connecting rod, and then is convenient for the gripping when medical personnel promote the activity of hand wheel connecting rod, and when medical personnel gripping connecting block, frictional force when can increase connecting block and palm contact simultaneously.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the spacing groove, the material consumption when the spacing groove can reduce preparation limit stop, and then can greatly reduced cost, through setting up limit stop, limit stop can be when the hand wheel jack-post is rotatory big or small that indisputable sister snake bone steel wire stroke to control the bending angle of snake bone, the stress problem of steel wire is pull in effectual control, guarantees the stability of long-time work, and then has protected the stability of steel wire.

Through setting up the cup joint hole, cup joint the hole and can protect the hand wheel shaft post in inside, the position of hand wheel shaft post in operating envelope inside has been restricted simultaneously, through setting up the joint piece, the joint piece can be held in inside by the cover interface, and utilize the threaded connection of joint piece and trompil nut, make hand wheel shaft post and hand wheel connecting rod move in step, through setting up the hand wheel connecting rod, the hand wheel connecting rod can drive hand wheel shaft post move in step under medical personnel's stirring, through setting up the runner, the runner can be under the drive of hand wheel shaft post rotate in step, and pull snake bone steel wire, through setting up stabilizing block, stabilizing block can utilize self structural feature can better take the action of taking the runner activity, through setting up the instruction groove, the direction that medical personnel removed the hand wheel connecting rod can be reminded to the instruction groove, and inform medical personnel effect behind the movable hand wheel connecting rod, through setting up the connecting block, the length of connecting block can prolong hand wheel link, and then be convenient for the gripping when medical personnel promote hand wheel connecting rod activity, simultaneously when medical personnel grasp the connecting block, can increase the connecting block and the palm contact friction force.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of the structure of the limiting groove of the present invention;

fig. 4 is a schematic view of the positioning block structure of the present invention.

Reference numerals: 1. an operating housing; 2. a hand wheel connecting rod; 3. a hole-opening nut; 4. a communicating hole; 5. a fixing ring; 6. connecting blocks; 7. anti-skid blocks; 8. a socket; 9. a threaded ring; 10. a cover plate; 11. accommodating grooves; 12. an indication groove; 13. a limiting groove; 14. a hand wheel shaft column; 15. a limit stop; 16. sleeving holes; 17. a hand wheel shaft sleeve; 18. a rotating wheel; 19. a connection port; 20. positioning a block; 21. a clamping block; 22. a thread groove; 23. and (6) stabilizing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a snake bone bending control mechanism, including operation shell 1, the excircle wall of operation shell 1 is provided with two intercommunicating pores 4, and the equal fixed mounting in both ends of operation shell 1 has solid fixed ring 5, and the hole 16 has all been seted up to the both ends of operation shell 1, and the movable cover of interior circle wall in the hole 16 that cup joints is equipped with hand wheel jack-post 14, and hand wheel jack-post 14 does not do the perusal here for having the structure, and the inside of operation shell 1 is provided with the protection subassembly for the protection pulls the steel wire.

Refer to fig. 1, fig. 2 and fig. 4, operating condition 1's top surface is provided with hand wheel connecting rod 2, cup joint mouth 8 has been seted up to hand wheel connecting rod 2's top surface, hand wheel connecting rod 2's top surface fixed mounting has trompil nut 3, trompil nut 3 does not have the repeated description here for existing structure, hand wheel shaft post 14's top fixed mounting has locating piece 20, locating piece 20's top fixed mounting joint piece 21, thread groove 22 has been seted up to joint piece 21's top surface, the interior circle wall and the 3 threaded connection of trompil nut of thread groove 22, hand wheel shaft post 14's bottom surface fixed mounting stabilizing block 23.

Referring to fig. 1, 2 and 3, the protection assembly includes two limit stops 15, both the two limit stops 15 are fixedly mounted on the outer circumferential wall surface of the hand wheel shaft post 14, the top surface of the limit stop 15 is provided with a limit groove 13, the outer circumferential wall surface of the sleeve hole 16 is movably sleeved with a hand wheel shaft sleeve 17, the hand wheel shaft sleeve 17 is an existing structure and is not described herein again, the top surface of the hand wheel shaft sleeve 17 is fixedly mounted on the bottom surface of the operating housing 1, the top surface of the hand wheel shaft sleeve 17 is provided with a sealing ring, the inner circumferential wall surface of the fixing ring 5 is fixedly sleeved with a cover plate 10, the bottom surface of the cover plate 10 is provided with a sealing ring, the top surface of the cover plate 10 is provided with a holding groove 11, the top surface of the cover plate 10 is provided with an indication groove 12, the inner bottom surface of the holding groove 11 is provided with a through hole, the inner bottom surface of the holding groove 11 is fixedly provided with a threaded ring 9, the bottom surface of the hand wheel shaft sleeve 17 is provided with a rotating wheel 18, the rotating wheel 18 is an existing structure and is not described herein again, the top surface of the rotating wheel 18 is provided with a rubber connecting port, the stabilizing block 23 is fixedly clamped inside the connecting port 19, one end of the hand wheel connecting rod 2 is fixedly mounted on one side of the connecting block 6, one end of the hand wheel connecting block 6, one side of the connecting block 7, the hand wheel connecting block is fixedly mounted on one side of the connecting block 7, the rubber connecting block, and the rubber connecting block 6 can extend the length of the hand wheel connecting block 2, thereby being convenient for grasping when the medical personnel pushes the hand wheel connecting rod 2 to move, and simultaneously when the medical personnel grasps the connecting block 6, can increase the friction force when the connecting block 6 contacts with the palm, and the medical staff can utilize the limit stop 15 to adjust the stroke of the snake bone steel wire in order to avoid the risk that the steel wire is over-dragged to break through the yield strength and the steel wire fracture phenomenon because the snake bone bending angle inside the inserting tube is too large, so as to control the bending angle of the snake bone, thereby protecting the snake bone and preventing the injury caused by the overlarge bending angle of the snake bone.

The working principle is as follows: referring to fig. 1 to 4, in the process of using the endoscope, firstly, a medical worker inserts an insertion tube of the endoscope into a body of a patient during the process of using the endoscope, in order to avoid a risk of breaking a steel wire due to over-traction of the steel wire caused by an excessively large bending angle of a snake bone inside the insertion tube during the process of using the endoscope, the medical worker can adjust the stroke of the snake bone steel wire by using the limit stop 15 to control the bending angle of the snake bone, thereby protecting the snake bone and preventing the injury caused by the excessively large bending angle of the snake bone, before moving the hand wheel connecting rod 2, the medical worker can know the effect of the moved hand wheel connecting rod 2 according to the indicating groove 12 on the top surface of the cover plate 10, when moving the hand wheel connecting rod 2, the medical worker can drive the hand wheel shaft column 14 to move synchronously, and during the process of using the operation housing 1, because a plurality of seal rings are arranged inside the operation housing 1, the sealability of the operation housing 1 can be increased during the use, and multiple sealing effects can be realized.

Through setting up connecting block 6, connecting block 6 can prolong the length of hand wheel connecting rod 2, and then the gripping of being convenient for when medical personnel promote the activity of hand wheel connecting rod 2, when medical personnel gripping connecting block 6, frictional force when can increase connecting block 6 and palm contact simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A snake bone bending control mechanism, comprising:

the device comprises an operation shell (1), wherein two communicating holes (4) are formed in the outer circle wall surface of the operation shell (1), fixing rings (5) are fixedly mounted at two ends of the operation shell (1), sleeve-joint holes (16) are formed in two ends of the operation shell (1), and a hand wheel shaft column (14) is movably sleeved on the inner circle wall surface of each sleeve-joint hole (16);

the protection assembly is arranged inside the operation shell (1) and used for protecting the traction steel wire.

2. A snake bending control mechanism according to claim 1, wherein said protection assembly comprises:

two limit stop (15), two equal fixed mounting in limit stop (15) the excircle wall of hand wheel jack-post (14), spacing groove (13) have been seted up to the top surface of limit stop (15), the excircle wall movable sleeve that cup joints hole (16) is equipped with hand wheel axle sleeve (17), the top surface of hand wheel axle sleeve (17) with the bottom surface fixed mounting of operation shell (1), the top surface of hand wheel axle sleeve (17) sets up the sealing washer, the fixed cover of the interior circle wall of solid fixed ring (5) is equipped with apron (10), the bottom surface of apron (10) is provided with the sealing washer.

3. The snake bone bending control mechanism according to claim 1, wherein a hand wheel connecting rod (2) is arranged on the top surface of the operating shell (1), a sleeve joint (8) is arranged on the top surface of the hand wheel connecting rod (2), a perforated nut (3) is fixedly mounted on the top surface of the hand wheel connecting rod (2), a positioning block (20) is fixedly mounted on the top end of the hand wheel shaft column (14), a clamping block (21) is fixedly mounted on the top end of the positioning block (20), a thread groove (22) is formed in the top surface of the clamping block (21), and the inner circular wall surface of the thread groove (22) is in threaded connection with the perforated nut (3).

4. The snake bone bending control mechanism according to claim 2, wherein a stabilizing block (23) is fixedly mounted on the bottom surface of the hand wheel shaft column (14), a rotating wheel (18) is arranged on the bottom surface of the hand wheel shaft sleeve (17), a connecting port (19) is formed in the top surface of the rotating wheel (18), and the stabilizing block (23) is fixedly clamped inside the connecting port (19).

5. A snake bone bending control mechanism according to claim 2, wherein the top surface of the cover plate (10) is provided with a receiving groove (11), the top surface of the cover plate (10) is provided with an indicating groove (12), the inner bottom surface of the receiving groove (11) is provided with a through hole, and the inner bottom surface of the receiving groove (11) is fixedly provided with a threaded ring (9).

6. A snake bone bending control mechanism according to claim 3, characterized in that one end of the hand wheel connecting rod (2) is fixedly provided with a connecting block (6), and one side of the connecting block (6) is fixedly provided with an anti-skid block (7).