CN112245668B

CN112245668B - Medical negative pressure suction tube connecting device

Info

Publication number: CN112245668B
Application number: CN202011109773.5A
Authority: CN
Inventors: 何志才; 姜荟; 黄倩
Original assignee: Taizhou University
Current assignee: Taizhou University
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2023-01-31
Anticipated expiration: 2040-10-16
Also published as: CN112245668A

Abstract

The invention relates to the technical field of medical instruments, in particular to a medical negative pressure suction tube connecting device which comprises a first supporting tube, wherein the circumferential outer wall of the first supporting tube is provided with two sliding grooves, sliding blocks are arranged in the sliding grooves, the inner wall of each sliding block is fixedly connected with a clamping block, the left part of the inner wall of each clamping block is provided with a plurality of groups of transverse grains, the right part of the inner wall of each clamping block is provided with a spine, the circumferential outer wall of the first supporting tube is provided with a limiting groove, a supporting ring is sleeved in each limiting groove, the inner wall of each supporting ring is fixedly connected with a transfer block, the middle part of each transfer block is rotatably connected with a supporting shaft, the left end and the right end of each supporting shaft are fixedly connected with a roller, the right end of the first supporting tube is communicated with a second supporting tube, the right end of each clamping block extends out of the right side of the second supporting tube, the circumferential outer wall of the second supporting tube is provided with two abdicating holes, and the inside of each abdicating hole is provided with a jacking plate; the use stability is higher, and the practicality is higher.

Description

Medical negative pressure suction tube connecting device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a medical negative pressure suction tube connecting device.

Background

The negative pressure suction tube is a connecting tube used for connecting a negative pressure device and an extraction part, is mostly a rubber tube, adopts the mode that the rubber tube expands and the pipeline of the joint is tightened at the connection part, and in the using process, the joint is subjected to external large force, the separation of the joint can be generated, the use stability is low, and in the using process, the joint generates the condition of leakage of a transmission object, and the practicability is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the medical negative pressure suction tube connecting device which is higher in use stability and practicability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a medical negative pressure suction tube connecting device comprises a first supporting tube, wherein two sliding grooves are formed in the circumferential outer wall of the first supporting tube, sliding blocks are arranged in each sliding groove, each sliding block is in a semicircular ring shape, a clamping block is fixedly connected to the inner wall of each sliding block, each clamping block is in a semi-cylindrical shape, a plurality of groups of cross grains are arranged on the left portion of the inner wall of each clamping block, the free ends of the cross grains are provided with sharp corners, sharp spines are arranged on the right portion of the inner wall of each clamping block, the outer wall of each sliding block is provided with an arc surface with the radius gradually increasing from one side to the other side, a limiting groove is formed in the circumferential outer wall of the first supporting tube, a supporting ring is sleeved in the limiting groove, a transfer block is fixedly connected to the inner wall of the supporting ring, the middle of the transfer block is rotatably connected with a supporting shaft, and rollers are fixedly connected to the left end and the right end of the supporting shaft, the outer circumferential wall of the roller is in contact with the outer side walls of the sliding blocks, the right end of the first supporting pipe is communicated with a second supporting pipe, the right end of each clamping block extends out of the right side of the second supporting pipe, the outer circumferential wall of the second supporting pipe is provided with two abdicating holes, a top pressure plate is arranged inside each abdicating hole, the top pressure plate is in a semicircular shape, the inner concave wall of the top pressure plate is in contact with the outer side wall of each clamping block, the outer convex wall of the top pressure plate is fixedly connected with a connecting block, the top end of the connecting block at the upper side is fixedly connected with an upper plate, the upper plate is in a semi-cylindrical shape, the left bottom end part and the right bottom end part of the upper plate are fixedly connected with a first frame plate, the bottom end of the connecting block at the lower side of the top pressure plate is fixedly connected with a lower plate, the lower plate is in a semi-cylindrical shape, and the left top end part and the right top end part of the lower plate are fixedly connected with a second frame plate, and the relative middle areas of the first frame plate and the corresponding second frame plate are provided with positioning devices.

Preferably, positioner includes the sleeve pipe, the sleeve pipe is square pipe, sheathed tube bottom with the top fixed connection of second frame plate, sheathed tube inside cover is equipped with the backup pad, the top of backup pad with the bottom fixed connection of first frame plate, the bottom of backup pad is provided with the recess, the front portion and the rear portion of recess all are provided with the screens device, the screens device includes the locating piece, two fixedly connected with elastic block between the looks remote site of locating piece, each the free end of locating piece is all certainly sheathed tube inside is passed the sheathed tube lateral wall, each the bottom of locating piece all is provided with the chamfer.

Preferably, the circumferential outer wall of the support ring is fixedly connected with a non-slip mat, and the outer side wall of the non-slip mat is provided with convex patterns.

Preferably, the elastic block is a soft rubber block.

Preferably, the left end and the right end of each positioning block are provided with a fixture block.

Preferably, the height of the sharp thorn is 0.2-0.5mm, and the sharp thorn is in a triangular prism shape.

Preferably, the spine is made of polyformaldehyde material.

(III) advantageous effects

Compared with the prior art, the invention provides a medical negative pressure suction tube connecting device which has the following beneficial effects:

this medical vacuum aspiration pipe connecting device, insert first supporting tube and be connected with the inlet end of the instrument that needs to connect through the user with the vacuum aspiration pipe when using, later the rotatory support ring of user, the support ring drives the gyro wheel and removes, through gyro wheel extrusion arc surface, and then make the sliding block move to the inside of first supporting tube, and then drive two tight piece of clamp and press from both sides the junction of the inlet end of the tight first supporting tube of clamp and the instrument that needs to connect, shape through the striae, reduce the horizontal pivoted condition of vacuum aspiration pipe, and insert the lateral wall of vacuum aspiration pipe through the spine, reduce the condition of vacuum aspiration pipe longitudinal movement, and reduce the condition of first frame plate and the separation of second frame plate through positioner, it is higher to reach the stability in use, the higher effect of practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 2 according to the present invention

FIG. 6 is an enlarged view of a portion of FIG. 5 at B;

FIG. 7 is a schematic cross-sectional view taken at C-C of FIG. 2 in accordance with the present invention;

FIG. 8 is a schematic exploded perspective view of the present invention;

FIG. 9 is an enlarged partial view of FIG. 8 at C;

fig. 10 is a left side view schematically illustrating the structure of the adaptor block, the support shaft and the roller according to the present invention.

In the figure: 1. a first support tube; 2. a slider; 3. a clamping block; 4. transverse lines; 5. pricking with a sharp point; 6. a circular arc surface; 7. a support ring; 8. a transfer block; 9. a support shaft; 10. a roller; 11. a second support tube; 12. A top pressing plate; 13. connecting blocks; 14. an upper plate; 15. a first frame plate; 16. a lower plate; 17. a second frame plate; 18. a sleeve; 19. a support plate; 20. positioning blocks; 21. an elastic block; 22. a non-slip mat; 23. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-10, a medical negative pressure suction tube connecting device comprises a first supporting tube 1, wherein two sliding grooves are formed in the circumferential outer wall of the first supporting tube 1, a sliding block 2 is arranged in each sliding groove, the sliding block 2 is semicircular, a clamping block 3 is fixedly connected to the inner wall of the sliding block 2, the clamping block 3 is semi-cylindrical, a plurality of groups of transverse grains 4 are arranged on the left portion of the inner wall of the clamping block 3, a sharp corner is arranged at the free end of each transverse grain 4, a sharp spine 5 is arranged on the right portion of the inner wall of the clamping block 3, the height of each sharp spine 5 is 0.4mm, and the sharp spine 5 is triangular-edged; by means of the shape of the spine 5, the spine 5 is 0.4mm high, so that the length of the spine 5 inserted into the side wall of the vacuum suction tube is moderate, the damage to the vacuum suction tube is reduced, and the spine 5 is made of polyformaldehyde materials; the hardness requirement of the spine 5 is met through the high hardness of the polyformaldehyde material, the corrosion resistance of the polyformaldehyde material is good, an iron spine is replaced, the use reliability is improved, the outer side wall of the sliding block 2 is provided with an arc surface 6 with the radius gradually increasing from one side to the other side, the circumferential outer wall of the first supporting tube 1 is provided with a limiting groove, a supporting ring 7 is sleeved in the limiting groove, the circumferential outer wall of the supporting ring 7 is fixedly connected with an anti-slip pad 22, the anti-slip pad 22 is a rubber pad, and the outer side wall of the anti-slip pad 22 is provided with a convex pattern; the antiskid effect through slipmat 22 is better, and when the user rotated the support ring 7, hand and slipmat 22 contact reduced the phenomenon that the user's hand skidded, improved stability in use, the inner wall fixedly connected with switching piece 8 of support ring 7, the middle part of switching piece 8 is rotated and is connected with back shaft 9, the equal fixedly connected with gyro wheel 10 of left end and the right-hand member of back shaft 9, the circumference outer wall of gyro wheel 10 with each correspond the lateral wall contact of sliding block 2.

Further, the right end of the first supporting pipe 1 is communicated with a second supporting pipe 11, the right end of each clamping block 3 extends out of the right side of the second supporting pipe 11, the outer wall of the circumference of the second supporting pipe 11 is provided with two abdicating holes, each abdicating hole is internally provided with a top pressure plate 12, the top pressure plate 12 is in a semicircular shape, the inner wall of the concave surface of the top pressure plate 12 corresponds to the contact of the outer side wall of the clamping block 3, the outer wall of the convex surface of the top pressure plate 12 is fixedly connected with a connecting block 13, the top end of the connecting block 13 on the upper side is fixedly connected with an upper plate 14, the upper plate 14 is in a semi-cylindrical shape, the left end and the right end of the upper plate 14 are fixedly connected with a first frame plate 15, the bottom end of the connecting block 13 on the lower side is fixedly connected with a lower plate 16, the lower plate 16 is in a semi-cylindrical shape, and the left end and the right end of the lower plate 16 are fixedly connected with a second frame plate 17.

Furthermore, a positioning device is arranged in the relative middle area of the first frame plate 15 and the corresponding second frame plate 17, the positioning device comprises a sleeve 18, the sleeve 18 is a square tube, the bottom end of the sleeve 18 is fixedly connected with the top end of the second frame plate 17, a support plate 19 is sleeved in the sleeve 18, the top end of the support plate 19 is fixedly connected with the bottom end of the first frame plate 15, a groove is arranged at the bottom end of the support plate 19, clamping devices are arranged at the front part and the rear part of the groove respectively, each clamping device comprises a positioning block 20, an elastic block 21 is fixedly connected between the opposite ends of the two positioning blocks 20, each elastic block 21 is a soft rubber block, and each elastic block 21 is a polyurethane block; the elasticity of the elastic block 21 can be effectively realized through the good elasticity of the soft rubber block, the cost of the soft rubber block is low, the manufacture is convenient, the manufacture and maintenance cost is low, the free end of each positioning block 20 penetrates through the side wall of the sleeve 18 from the inside of the sleeve 18, and the left end and the right end of each positioning block 20 are provided with the fixture blocks 23; the positions of the positioning blocks 20 are limited through the fixture blocks 23, the situation that the positioning blocks 20 fall off is reduced, and the effect of further improving the practicability is achieved, and chamfers are arranged at the bottom ends of the positioning blocks 20; the relative positions of the sleeve 18 and the support plate 19 are clamped through the matching among the positioning blocks 20, the sleeve 18 and the support plate 19, and the chamfer angle is contacted with the sleeve 18 during installation, so that the support plate 19 is conveniently inserted into the sleeve 18, the positioning blocks 20 are separated towards two sides through the elasticity of the elastic blocks 21, the situations that the positioning blocks 20 are separated from and approach towards the middle are reduced, and the connection stability of the positioning blocks 20 and the sleeve 18 is improved through the elasticity of the elastic blocks 21; insert first support tube 1 and be connected with the inlet end of the instrument that needs to connect through the user when using with the vacuum aspiration pipe, later the rotatory support ring 7 of user, support ring 7 drives gyro wheel 10 and removes, extrude arc surface 6 through gyro wheel 10, and then make sliding block 2 move to the inside of first support tube 1, and then drive two tight piece 3 joints of pressing from both sides tight first support tube 1 of clamp and the inlet end of the instrument that needs to connect, through the shape of striae 4, reduce the horizontal pivoted condition of vacuum aspiration pipe, and insert the lateral wall of vacuum aspiration pipe through spine 5, reduce the condition of vacuum aspiration pipe longitudinal movement, and reduce the condition of first frame plate 15 and the separation of second frame plate 17 through positioner, it is higher to reach the stability in use, the higher effect of practicality.

In summary, the working principle and working process of the medical vacuum suction tube connecting device are that, when in use, a user firstly inserts the vacuum suction tube into the first supporting tube 1 and connects the vacuum suction tube with the air inlet end of an instrument to be connected in a sleeved manner, then the user rotates the supporting ring 7, the supporting ring 7 drives the roller 10 to move, the roller 10 extrudes the arc surface 6, the sliding block 2 further moves towards the inside of the first supporting tube 1, the two clamping blocks 3 are further driven to clamp the joint of the first supporting tube 1 and the air inlet end of the instrument to be connected, the transverse rotation of the vacuum suction tube is reduced through the shape of the transverse grains 4, then the user presses the first frame plate 15 and the second frame plate 17, and further drives the spines 5 to be inserted into the outer side wall of the vacuum suction tube, and the longitudinal movement of the vacuum suction tube is reduced through the cooperation of the spines 5 and the outer side wall of the vacuum suction tube.

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. The utility model provides a medical negative pressure attracts pipe connecting device which characterized in that: comprises a first supporting pipe (1), the outer wall of the circumference of the first supporting pipe (1) is provided with two sliding grooves, each sliding groove is internally provided with a sliding block (2), the sliding block (2) is in a semicircular ring shape, the inner wall of the sliding block (2) is fixedly connected with a clamping block (3), the clamping block (3) is in a semicircular cylinder shape, the left part of the inner wall of the clamping block (3) is provided with a plurality of groups of transverse grains (4), the free end of each transverse grain (4) is provided with a closed angle, the right part of the inner wall of the clamping block (3) is provided with a spine (5), the outer wall of the sliding block (2) is provided with an arc surface (6) with gradually increased radius from one side to the other side, the outer wall of the circumference of the first supporting pipe (1) is provided with a limiting groove, a supporting ring (7) is sleeved in the limiting groove, the inner wall of the supporting ring (7) is fixedly connected with a transfer block (8), the middle part of the transfer block (8) is rotatably connected with a supporting shaft (9), the left end and the right end of the supporting shaft (9) are fixedly connected with a roller (10), the outer wall of the roller (10) and the sliding block (11) is in contact with the second supporting pipe (11) and extends out from the right end of the second supporting pipe, the circumference outer wall of second stay tube (11) is provided with two abdicating holes, each the inside in abdicating hole all is provided with roof pressure board (12), roof pressure board (12) are the semicircle ring-type, the concave surface inner wall of roof pressure board (12) and each correspond the lateral wall contact of pressing from both sides tight piece (3), the convex surface outer wall fixedly connected with connecting block (13) of roof pressure board (12), the top fixedly connected with upper plate (14) of connecting block (13) of upside, upper plate (14) are half tube-shape, the equal fixedly connected with second frame plate (17) in bottom left part and bottom right part of upper plate (14), the bottom fixedly connected with hypoplastron (16) of connecting block (13) of downside, hypoplastron (16) are half tube-shape, the equal fixedly connected with second frame plate (17) in top left part and top right part of hypoplastron (16), first frame plate (15) and the relative middle zone that corresponds second frame plate (17) are provided with positioner, positioner includes sleeve pipe (18), sleeve pipe (18) is square pipe, the bottom of sleeve pipe (18) and the bottom fixedly connected with second frame plate (17), the anterior supporting plate (19) is provided with the recess is connected with the support plate (19), the support plate (19) is provided with the anterior recess, the bottom is connected with the support plate (19), the clamping device comprises positioning blocks (20), elastic blocks (21) are fixedly connected between opposite ends of the two positioning blocks (20), free ends of the positioning blocks (20) penetrate through the side wall of the sleeve (18) from the inside of the sleeve (18), the bottom ends of the positioning blocks (20) are provided with chamfers, the outer wall of the circumference of the support ring (7) is fixedly connected with anti-slip pads (22), the outer side walls of the anti-slip pads (22) are provided with convex patterns, and the elastic blocks (21) are soft rubber blocks.

2. The medical negative pressure suction tube connecting device according to claim 1, wherein: the left end and the right end of each positioning block (20) are provided with clamping blocks (23).

3. The medical negative pressure suction tube connecting device according to claim 2, wherein: the height of the spine (5) is 0.2-0.5mm, and the spine (5) is in a triangular prism shape.

4. The medical negative pressure suction tube connecting device according to claim 3, characterized in that: the spine (5) is made of polyformaldehyde material.