CN112483680B - Three-way pipeline with flow control function - Google Patents

Abstract

The invention relates to the technical field of food chromatographic detection, and discloses a three-way pipeline with a flow control function, which comprises a main pipe body, a long branch pipe body and a short branch pipe body, wherein an opening and closing mechanism is fixedly connected inside a central pipe body, the opening and closing mechanism comprises a fixed disk, the right end of the fixed disk is fixedly connected to the left end of the main pipe body, two through grooves are formed inside the fixed disk, annular grooves are formed inside the fixed disk, flow control mechanisms are arranged inside the two through grooves, a rotating mechanism is arranged at one end of the fixed disk, which is far away from the main pipe body, and the rotating mechanism is matched with the opening and closing mechanism and the two flow control mechanisms.

Description

Three-way pipeline with flow control function

Technical Field

The invention relates to the technical field of food chromatographic detection, in particular to a three-way pipeline with a flow control function.

Background

When food medicine inspection, need carry out the chromatographic detection to the product, need use the tee bend pipeline mainly to change the direction that the fluid flows, and control fluid is by being responsible for the speed that flows with the branch pipe, at present most tee bend pipeline is mostly separately the regulation and control to the control of the fluid flow velocity in the branch pipe, through regulating and controlling separately to two branch pipes come the control flow velocity, and such operation has increased the time that the user regulated and control, and can not be accurate regulate and control the proportion of two branch pipe velocity of flow.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the three-way pipeline with the flow control function, which has the advantages that the flow velocity of the fluid in the long branch pipe body and the flow velocity of the fluid in the short branch pipe body from the main pipe body can be controlled in an equal ratio, the use convenience of an operator is greatly improved, and the like, and the problems that the regulation time of a user is increased in the conventional common operation, and the ratio of the flow velocities of the two branch pipes cannot be accurately regulated are solved.

(II) technical scheme

In order to realize the purpose of controlling the flow velocity of the fluid in the long branch pipe body and the short branch pipe body from the main pipe body to the short branch pipe body in an equal ratio and greatly improving the use convenience of an operator, the invention provides the following technical scheme: the utility model provides a tee bend pipeline with accuse flows function, including being responsible for the body, long spinal branch body and short spinal branch body, one side fixed connection central body that long spinal branch body and short spinal branch body are close to mutually, and long spinal branch body, short spinal branch body communicates with the inside homogeneous phase of central body, be responsible for body fixed connection in the side of central body, and be responsible for the inside of body and the inside of central body is linked together, the inside fixed connection of central body has the mechanism that opens and shuts, the mechanism that opens and shuts is including the fixed disk, the right-hand member fixed connection of fixed disk is on being responsible for the left end of body, and the fixed disk sets up in the inside of central body, two logical grooves have been seted up to the inside of fixed disk, two logical grooves all are linked together with the inside of being responsible for the body, the annular has been seted up to the inside of fixed disk, and the inside of annular is linked together with two logical grooves, the inside of two logical grooves all is provided with accuse flows the mechanism, and the one end that the fixed disk kept away from being responsible for the body is provided with slewing mechanism.

Preferably, every accuse is flowed mechanism and is all included dwang and closure plate, and the both ends of dwang rotate respectively to be connected on the both sides wall in the annular, and the dwang is close to one side fixedly connected with closure plate that leads to the groove, and the closure plate passes through the dwang and rotates to be connected in the inside that leads to the groove, and the dwang is close to the one end fixedly connected with torsional spring of annular inner wall, and the one end fixedly connected with torsional spring that the dwang was kept away from to the torsional spring is on the inner wall of annular.

Preferably, the left end fixedly connected with short column of closing plate, the fluting has still been seted up on the surface of closing plate left end, and grooved inside fixedly connected with pivot, the outside activity of pivot has cup jointed the rotation page or leaf, rotates the page or leaf and rotates through the pivot and connect in grooved inside, and rotates the page or leaf and set to parallelogram shape.

Preferably, the two flow control mechanisms are arranged in the two through grooves in a vertically mirror image manner, and the two short columns are respectively arranged at different heights on the two closed plates.

Preferably, slewing mechanism is including outer barrel and interior barrel, and the right-hand member of outer barrel runs through the outer wall of center body and extends in the center tube, and fixing bearing has been cup jointed to the external fixation of outer barrel, and fixing bearing's lateral wall fixed connection is on the inner wall of center body, and outer barrel passes through fixing bearing and rotates the inside of connecting in the center body, and interior barrel rotates to be connected in the inside of outer barrel, holds the post after four fixedly connected with of the outside equant of outer barrel, holds the post before six fixedly connected with of the outside equant of interior barrel.

Preferably, the equal fixedly connected with connecting plate in outside both sides of outer barrel, the equal fixedly connected with of one end that outer barrel was kept away from to every connecting plate keeps off the dish, and two keep off the wall face that the dish is close to fixed bearing one side and all laminate on the inner wall of central body.

Preferably, the outer cylinder is provided with two flow regulating mechanisms outside, each flow regulating mechanism comprises a straight rod fixedly connected to the outer wall of the outer cylinder, the straight rods are arranged in an L shape, a lower notch is formed in each straight rod, and the inner portion of each lower notch is communicated with the outer portion of each straight rod.

Preferably, the cross slot has been seted up to the surface of straight-bar, and the inside of cross slot is linked together with the inside of lower notch, and the rotation of cross slot is connected with the swash plate, and the swash plate sets up including becoming the slope form in the cross slot, and the one end that the cross slot was kept away from to the swash plate is provided with the bellying, and the fixed cover in inside of swash plate has connect the circle axle, and the upper end of circle axle is rotated and is connected in the intraoral upper wall face of lower notch, the lower extreme fixedly connected with bottom plate of circle axle, and the upper end of bottom plate is laminated in the lower surface of swash plate.

Preferably, every the regulation and control mechanism that flows all includes the notch, goes up the notch and sets up the surface in outer barrel, and the inside of going up the notch is linked together with the inside of outer barrel, goes up the inside sliding connection of notch and has supported the pole, supports the pole and is close to the one end fixed connection in the surface of interior barrel of notch, and the diameter setting of supporting the pole is the same with the intraoral width in notch down.

(III) advantageous effects

Compared with the prior art, the invention provides a three-way pipeline with a flow control function, which has the following beneficial effects:

1. this tee bend pipeline with accuse flows function, through setting up slewing mechanism cooperation opening and shutting mechanism and two accuse flow mechanisms, can control two accuse flow mechanisms position in opening and shutting mechanism through regulating slewing mechanism, can drive two accuse flow mechanisms and open the main pipe body with long body and short body intercommunication position simultaneously when controlling slewing mechanism and rotating, and by setting up two short columns in the position of difference, make two short columns drive two closure plates and carry out opening of geometric proportion range when slewing mechanism rotates, can compare control like this by the main pipe body in to the internal fluid velocity of long body and short body, very big improvement the convenience that the operator used.

This tee bend pipeline with accuse function flows through setting up dwang and torsional spring, drives two short columns when slewing mechanism and makes two closure plates rotate the back at two logical inslots respectively, and the operator loosens slewing mechanism, and the torsional spring produces torsion and resets this moment to can drive two closure plates and seal two logical inslots automatically, and then conveniently carry out the regulation and control of reseing again in the operator, be favorable to the operator to carry out the operation of reciprocal circulation.

This three-way pipeline with accuse flow function through setting up outer barrel and interior barrel cooperation fixing bearing, sets up in fixing bearing through interior barrel, and interior barrel can alleviate the resistance that the rotation produced when central body internal rotation, holds the post and holds the post before six after four that the cooperation set up simultaneously, can increase the frictional force when the outer barrel of operator contact and interior barrel, reaches the effect of the operator control of being convenient for.

This three-way pipe with accuse stream function, rotate through the inside with interior barrel at outer barrel, interior barrel drives simultaneously and supports the pole and rotate lieing in intraoral swash plate of slot down, support the pole and rotate to pushing away the swash plate in the slot under to and make the swash plate be located the one end striking of cross slot to the surface that rotates the page or leaf, and drive and rotate the page or leaf and use the pivot to rotate at grooved inside as the center, it rotates the page or leaf to rotate to the slope form at the fluting this moment, can supply the fluid to be the inside that the slope form was arranged to long spinal branch body or short spinal branch body by grooved inside, thereby can guarantee in the fluid normal flow, via will rotate the page or leaf open in the fluting and alleviate the resistance that the closure plate caused when rotating, this device of effectual guarantee is the normal regulation and control state when fluid flows.

This tee bend pipeline with accuse flow function through setting up swash plate and bellying cooperation circle axle and bottom plate, supports the swash plate via the bottom plate, can avoid the phenomenon that the swash plate dropped when rotating, is the convex via setting up the bellying simultaneously, can effectually make when rotating to the swash plate to support the pole and contact with the swash plate, avoids supporting the pole and does not rotate the situation of touching to the swash plate, the effectual steady operation who guarantees this device.

Drawings

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

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is a partial perspective view of the rotating mechanism of FIG. 2 according to the present invention;

FIG. 4 is a schematic perspective view of a portion of the opening and closing mechanism of FIG. 2 according to the present invention;

FIG. 5 is a front cross-sectional structural view of the engaging mechanism shown in FIG. 4 according to the present invention.

In the figure: 1. a primary tube; 11. a long branch pipe body; 12. a short branch pipe body; 13. a central tube body; 2, a rotating mechanism; 21. the post is held; 22. an outer cylinder; 23. an inner cylinder; 24. a front holding column; 25. fixing a bearing; 26. a connecting plate; 27. a catch plate; 3. an opening and closing mechanism; 31. fixing the disc; 32. a through groove; 33. a ring groove; 4. a flow control mechanism; 42. a short column; 43. rotating the page; 44. slotting; 45. a closing plate; 46. rotating the rod; 47. a torsion spring; 5. a flow regulating mechanism; 51. a straight rod; 52. a circular shaft; 53. a transverse groove; 54. a sloping plate; 55. a boss portion; 56. a base plate; 57. a lower notch; 58. an upper notch; 59. a support rod.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like parts are designated by like reference numerals throughout the several views, it should be noted that the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" as used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular part.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a three-way pipe with accuse flows function, including main pipe body 1, long tributary pipe body 11 and short tributary pipe body 12, one side fixed connection center pipe body 13 that long tributary pipe body 11 and short tributary pipe body 12 are close to mutually, and long tributary pipe body 11, short tributary pipe body 12 communicates with the inside homogeneous phase of center pipe body 13, main pipe body 1 fixed connection is in the side of center pipe body 13, and the inside of main pipe body 1 is linked together with the inside of center pipe body 13, the inside fixedly connected with of center pipe body 13 opens and shuts the mechanism 3, the mechanism 3 that opens and shuts is including fixed disk 31, the right-hand member fixed connection of fixed disk 31 is on the left end of main pipe body 1, and fixed disk 31 sets up the inside of center pipe body 13, two logical grooves 32 have been seted up to the inside of fixed disk 31, two logical grooves 32 all are linked together with the inside of main pipe body 1, annular 33 has been seted up to the inside of fixed disk 31, and the inside of annular groove 33 communicates with two logical grooves 32, the inside of two logical grooves 32 all is provided with accuse flows the mechanism 4, and the one end that fixed disk 31 kept away from main pipe body 1 is provided with slewing mechanism 2.

Every accuse flow mechanism 4 all includes dwang 46 and closing plate 45, the both ends of dwang 46 rotate respectively and connect on the both sides wall in the annular groove 33, and dwang 46 is close to one side fixedly connected with closing plate 45 of logical groove 32, closing plate 45 rotates through dwang 46 and connects in the inside of logical groove 32, the one end fixedly connected with torsional spring 47 that dwang 46 is close to the annular groove 33 inner wall, and the one end fixedly connected with torsional spring 47 that dwang 46 was kept away from to torsional spring 47 is on the inner wall of annular groove 33, through setting up dwang 46 and torsional spring 47, after slewing mechanism 2 drives two short columns 42 and makes two closing plates 45 rotate respectively in two logical grooves 32, the operator loosens slewing mechanism 2, torsional spring 47 produces torsion and resets this moment, thereby can drive two closing plates 45 and seal two logical grooves 32 automatically, and then conveniently carry out the regulation and control of returning to the throne again in the operator, be favorable to the operation that the operator carried out reciprocating cycle.

The left end fixedly connected with short column 42 of closing plate 45, fluting 44 has still been seted up on the surface of closing plate 45 left end, and the inside fixedly connected with pivot 48 of fluting 44, the outside activity of pivot 48 is cup jointed and is rotated page or leaf 43, rotates page or leaf 43 and rotates the inside of connecting in fluting 44 through pivot 48, and rotates page or leaf 43 and set into the parallelogram shape.

The two flow control mechanisms 4 are arranged in the two through grooves 32 in a vertical mirror image manner, and the two short columns 42 are respectively arranged at different heights on the two closed plates 45.

The rotating mechanism 2 comprises an outer cylinder 22 and an inner cylinder 23, the right end of the outer cylinder 22 penetrates through the outer wall of the central tube 13 and extends into the central tube 13, a fixed bearing 25 is fixedly sleeved on the outer portion of the outer cylinder 22, the outer side wall of the fixed bearing 25 is fixedly connected to the inner wall of the central tube 13, the outer cylinder 22 is rotatably connected to the inner portion of the central tube 13 through the fixed bearing 25, the inner cylinder 23 is rotatably connected to the inner portion of the outer cylinder 22, four rear holding columns 21 are fixedly connected to the outer portion of the outer cylinder 22 in an equally-divided manner, six front holding columns 24 are fixedly connected to the outer portion of the inner cylinder 23 in an equally-divided manner, the outer cylinder 22 and the inner cylinder 23 are matched with the fixed bearing 25 through the arrangement of the outer cylinder 22 and the inner cylinder 23, the inner cylinder 23 is arranged in the fixed bearing 25, resistance generated by rotation of the inner cylinder 23 in the central tube 13 can be reduced, and meanwhile, the four rear holding columns 21 and the six front holding columns 24 are matched with each other, so that friction force generated when an operator contacts the outer cylinder 22 and the inner cylinder 23 can be increased, and the effect of convenient for the operator to control can be achieved.

The equal fixedly connected with connecting plate 26 in outside both sides of outer barrel 22, the equal fixedly connected with of one end that outer barrel 22 was kept away from to every connecting plate 26 keeps off the dish 27, and two keep off the wall that the dish 27 is close to fixing bearing 25 one side and all laminate on the inner wall of central body 13.

Two flow regulating mechanisms 5 are arranged outside the outer cylinder 22, each flow regulating mechanism 5 comprises a straight rod 51, the straight rods 51 are fixedly connected to the outer wall of the outer cylinder 22, the straight rods 51 are L-shaped, lower notches 57 are formed in the straight rods 51, and the interiors of the lower notches 57 are communicated with the exteriors of the straight rods 51.

Horizontal groove 53 has been seted up to straight-bar 51's surface, the inside and the inside of lower notch 57 of horizontal groove 53 are linked together, the rotation of horizontal groove 53 is connected with swash plate 54, and swash plate 54 sets up including becoming the slope form in horizontal groove 53, the one end that horizontal groove 53 was kept away from to swash plate 54 is provided with bellying 55, the fixed cover in inside of swash plate 54 has connect round axle 52, the upper end of round axle 52 is rotated and is connected in the last wall in lower notch 57, the lower extreme fixedly connected with bottom plate 56 of round axle 52, the upper end laminating in swash plate 54 of bottom plate 56.

Each flow regulating mechanism 5 includes an upper notch 58, the upper notch 58 is opened on the outer surface of the outer cylinder 22, the inside of the upper notch 58 is communicated with the inside of the outer cylinder 22, a resisting rod 59 is slidably connected inside the upper notch 58, one end of the resisting rod 59 close to the upper notch 58 is fixedly connected to the outer surface of the inner cylinder 23, the diameter of the resisting rod 59 is set to be the same as the width of the inside of the lower notch 57, the inner cylinder 23 rotates inside the outer cylinder 22, the inner cylinder 23 drives the resisting rod 59 to rotate the inclined plate 54 located in the lower notch 57, the resisting rod 59 rotates into the lower notch 57 to push the inclined plate 54, so that one end of the inclined plate 54 located in the transverse groove 53 impacts the surface of the rotating blade 43 and drives the rotating blade 43 to rotate inside the groove 44 with the rotating shaft 48 as the center, at this time, the rotating blade 43 rotates to an inclined state in the groove 44, fluid can be discharged to the inside of the long branch pipe 11 or the short branch pipe 12 in an inclined state from the inside of the groove 44, thereby ensuring that the fluid normally flows when the rotating blade 43 is rotated in a closed state, and the fluid is effectively reduced in the fluid flow regulating state.

When in use, the utility model is used,

first step, open and shut mechanism 3 and two accuse through setting up the 2 cooperation of slewing mechanism and flow mechanism 4, can control two accuse through regulating and controlling slewing mechanism 2 and flow the position of mechanism 4 in mechanism 3 that opens and shuts, can drive two accuse when controlling slewing mechanism 2 and rotate simultaneously and flow mechanism 4 and will be responsible for in the body 1 and open with long body 11 and the short body 12 connected position of propping up, and by setting up two short columns 42 in the position of difference, make two short columns 42 drive two closure plates 45 and carry out opening of geometric proportion range when slewing mechanism 2 rotates, can control like this by being responsible for in the body 1 to the internal fluid velocity of long body 11 and short body 12 of propping up, very big improvement the convenience that the operator used.

And a second step, by arranging the rotating rod 46 and the torsion spring 47, after the rotating mechanism 2 drives the two short columns 42 to enable the two closing plates 45 to rotate in the two through grooves 32 respectively, the operator loosens the rotating mechanism 2, and the torsion spring 47 generates torsion to reset at the moment, so that the two closing plates 45 can be driven to automatically seal the two through grooves 32, and further, the operator can conveniently perform resetting regulation and control again, and the reciprocating circulation operation of the operator is facilitated.

Thirdly, through arranging the outer cylinder 22 and the inner cylinder 23 to be matched with the fixed bearing 25, and arranging the inner cylinder 23 in the fixed bearing 25, the resistance generated by rotation can be reduced when the inner cylinder 23 rotates in the central tube body 13, and meanwhile, the four rear holding columns 21 and the six front holding columns 24 which are arranged in a matched manner can increase the friction force when an operator contacts the outer cylinder 22 and the inner cylinder 23, so that the effect of facilitating the control of the operator is achieved.

Fourthly, the inner cylinder 23 rotates in the outer cylinder 22, meanwhile, the inner cylinder 23 drives the abutting rod 59 to rotate the inclined plate 54 positioned in the lower notch 57, the abutting rod 59 rotates into the lower notch 57 to push the inclined plate 54 to enable one end of the inclined plate 54 positioned in the transverse groove 53 to impact the surface of the rotating blade 43, and the rotating blade 43 is driven to rotate in the slot 44 by taking the rotating shaft 48 as the center, at the moment, the rotating blade 43 rotates in the slot 44 to be inclined, so that fluid can be discharged from the inside of the slot 44 to the inside of the long branch pipe body 11 or the short branch pipe body 12 in an inclined manner, and the resistance caused by the fluid when the closing plate 45 rotates can be reduced by expanding the rotating blade 43 in the slot 44 while the fluid normally flows, and the normal regulation and control state of the device during the fluid flowing can be effectively guaranteed.

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)

1. The utility model provides a tee bend pipeline with accuse flows function, including being responsible for body (1), long body (11) and short body (12), one side fixed connection center body (13) that long body (11) and short body (12) are close to mutually, and long body (11), short body (12) and the inside homogeneous phase intercommunication of center body (13), be responsible for the side of body (1) fixed connection center body (13), and be responsible for the inside of body (1) and the inside of center body (13) and be linked together, its characterized in that: the inner part of the central pipe body (13) is fixedly connected with an opening and closing mechanism (3), the opening and closing mechanism (3) comprises a fixed disc (31), the right end of the fixed disc (31) is fixedly connected to the left end of the main pipe body (1), the fixed disc (31) is arranged in the central pipe body (13), two through grooves (32) are formed in the fixed disc (31), the two through grooves (32) are communicated with the inner part of the main pipe body (1), an annular groove (33) is formed in the fixed disc (31), the inner part of the annular groove (33) is communicated with the inner parts of the two through grooves (32), flow control mechanisms (4) are arranged in the two through grooves (32), and a rotating mechanism (2) is arranged at one end, far away from the main pipe body (1), of the fixed disc (31);

each flow control mechanism (4) comprises a rotating rod (46) and a closing plate (45), two ends of the rotating rod (46) are respectively connected to two side walls in the annular groove (33) in a rotating mode, the closing plate (45) is fixedly connected to one side, close to the through groove (32), of the rotating rod (46), the closing plate (45) is connected to the inside of the through groove (32) in a rotating mode through the rotating rod (46), one end, close to the inner wall of the annular groove (33), of the rotating rod (46) is fixedly connected with a torsion spring (47), and one end, far away from the rotating rod (46), of the torsion spring (47) is fixedly connected to the inner wall of the annular groove (33);

the left end of the closed plate (45) is fixedly connected with a short column (42), the surface of the left end of the closed plate (45) is further provided with a groove (44), the inside of the groove (44) is fixedly connected with a rotating shaft (48), the outside of the rotating shaft (48) is movably sleeved with a rotating page (43), the rotating page (43) is rotatably connected to the inside of the groove (44) through the rotating shaft (48), and the rotating page (43) is arranged in a parallelogram shape;

the two flow control mechanisms (4) are arranged in the two through grooves (32) in a vertical mirror image manner, and the two short columns (42) are respectively arranged on the two closed plates (45) at different heights;

the rotating mechanism (2) comprises an outer barrel (22) and an inner barrel (23), the right end of the outer barrel (22) penetrates through the outer wall of the central tube body (13) and extends into the central tube body (13), a fixed bearing (25) is fixedly sleeved on the outer portion of the outer barrel (22), the outer side wall of the fixed bearing (25) is fixedly connected to the inner wall of the central tube body (13), the outer barrel (22) is rotatably connected to the inner portion of the central tube body (13) through the fixed bearing (25), the inner barrel (23) is rotatably connected to the inner portion of the outer barrel (22), four rear holding columns (21) are fixedly connected to the outer portion of the outer barrel (22) in an equant mode, and six front holding columns (24) are fixedly connected to the outer portion of the inner barrel (23) in an equant mode;

the two sides of the outer part of the outer cylinder (22) are fixedly connected with connecting plates (26), one end, far away from the outer cylinder (22), of each connecting plate (26) is fixedly connected with a baffle disc (27), and the wall surfaces of one sides, close to the fixed bearing (25), of the two baffle discs (27) are attached to the inner wall of the central pipe body (13);

the outer barrel (22) is provided with two flow regulating mechanisms (5) on the outer portion, each flow regulating mechanism (5) comprises a straight rod (51), the straight rods (51) are fixedly connected to the outer wall of the outer barrel (22), the straight rods (51) are arranged in an L shape, lower notches (57) are formed in the straight rods (51), and the interiors of the lower notches (57) are communicated with the outer portions of the straight rods (51);

the outer surface of the straight rod (51) is provided with a transverse groove (53), the inside of the transverse groove (53) is communicated with the inside of the lower notch (57), the transverse groove (53) is connected with an inclined plate (54) in a rotating manner, the inclined plate (54) is arranged in the transverse groove (53) in an inclined manner, one end, far away from the transverse groove (53), of the inclined plate (54) is provided with a convex part (55), a round shaft (52) is fixedly sleeved in the inclined plate (54), the upper end of the round shaft (52) is rotatably connected with the upper wall surface in the lower notch (57), the lower end of the round shaft (52) is fixedly connected with a bottom plate (56), and the upper end of the bottom plate (56) is attached to the lower surface of the inclined plate (54);

each flow regulation and control mechanism (5) all includes notch (58) on, goes up notch (58) and sets up in the surface of outer barrel (22), and the inside of going up notch (58) is linked together with the inside of outer barrel (22), goes up the inside sliding connection of notch (58) and has support rod (59), support rod (59) be close to the one end fixed connection in the surface of interior barrel (23) of last notch (58), and support rod (59) diameter setting is the same with the width in lower notch (57).

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