Biological reagent split-flow injector

Abstract

The utility model relates to the technical field of biological implementation appliances, and provides a biological reagent shunting injector which comprises a rectangular plate and a switching box, the switching box is connected to the rectangular plate in a sliding mode, an inner cavity is formed in the rectangular plate, a screwing tensioning assembly is arranged between the inner cavity and a clamping plate, and a butt joint shunting assembly is arranged between a side plate and the switching box. The butt-joint shunting assembly comprises a plurality of mounting grooves, the mounting grooves are formed in the surface of the switching box, a pair of clamping grooves is formed in the surface of the switching box, protruding blocks are arranged in the clamping grooves, reagent bottles are placed in the mounting grooves, and the protruding blocks are sleeved with the upper ends and the lower ends of the reagent bottles. According to the technical scheme, the problems that in the prior art, in general, only one reagent can be added into one injector at a time, if different reagents need to be added, manual cleaning is needed, then a second reagent is added, and then cleaning is conducted again, time and labor are wasted, the experiment process becomes complex, errors are prone to occurring, and the experiment efficiency is high are solved. And the adjustment is inconvenient, so that the use is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of biological realization instruments, in particular to a biological reagent shunt syringe. Background Art

[0002] A syringe is a common medical device that mainly uses a needle to extract or inject gas or liquid.

[0003] Syringes can also be used in medical devices, containers, and scientific instruments such as some chromatography to inject through a rubber septum.

[0004] In biological experiments, reagents are often added with syringes. Usually, a syringe can only add one reagent at a time. If different reagents need to be added, they must be manually cleaned, and then the second reagent is added, and then cleaned again. This process must be repeated many times, which is time-consuming and laborious, making the experimental process complicated and prone to errors. The inconvenience of adjustment makes it inconvenient to use.

[0005] Therefore, improvements are made to address the above problems. Utility Model Content

[0006] The utility model provides a biological reagent diversion syringe, which solves the problem in the related art that a syringe can only add one reagent at a time. If a different reagent is needed, it must be manually cleaned, and then the second reagent is added, and then cleaned again. This is repeated many times, which is time-consuming and laborious, making the experimental process complicated, prone to errors, and inconvenient to use due to inconvenient adjustment.

[0007] The technical solution of the utility model is as follows:

[0008] A rectangular plate and a switch box, wherein the switch box is slidably connected to the rectangular plate;

[0009] An inner cavity, a pair of clamping plates and a screwing and tensioning assembly, wherein the inner cavity is opened in the rectangular plate, and the screwing and tensioning assembly is arranged between the inner cavity and the clamping plates;

[0010] A docking shunt assembly, wherein the docking shunt assembly is arranged between the clamping plate and the switching box, and the docking shunt assembly includes a plurality of mounting grooves, wherein the mounting grooves are provided on the surface of the switching box, wherein a pair of card slots are provided on the surface of the switching box, wherein protrusions are provided in the card slots, wherein a reagent bottle is placed in the mounting groove, and wherein both upper and lower ends of the reagent bottle are mounted on the protrusions.

[0011] As a further technical solution, both upper and lower end surfaces of the reagent bottle are provided with jacks, both opposite end surfaces inside the reagent bottle are provided with sealing rubber layers, and both opposite end surfaces outside the switching box are provided with a number of positioning grooves, the positioning grooves and the jacks are located at the same axial position, and the side surface of the splint is provided with a fixed nozzle.

[0012] As a further technical solution, a threaded hole is provided on the surface of the splint, a shunt needle is screwed into the threaded hole through threaded cooperation, a movable plug nozzle is provided at one end of the shunt needle, the fixed plug nozzle and the movable plug nozzle are both plugged into the socket, and one end of the fixed plug nozzle and the movable plug nozzle pass through the sealing rubber layer.

[0013] As a further technical solution, the upper end surface of the splint is rotatably connected to a rotating plate via a pin shaft, an air cylinder is provided on the surface of the rotating plate, an air push rod is installed at one end of the air cylinder, a connecting pipe is connected between the splint and the surface of the splint, and the connecting pipe is respectively connected to the air cylinder and the fixed nozzle.

[0014] As a further technical solution, the screwing and tensioning assembly includes a pair of slides, which are arranged on the two side surfaces of the inner cavity, and a moving rod is slidably connected to the slide. One end of the moving rod is fixedly connected to the clamp plate, and a rack is arranged on the side end surface of the moving rod. The inner cavity is provided with a pair of inner plates.

[0015] As a further technical solution, a tension spring is connected between the inner plate and the moving rod, a driving gear is rotatably connected in the inner cavity, the driving gear is meshed with the rack, and a screw block is fixedly connected to one end of the driving gear, and the screw block is a polygonal structure.

[0016] As a further technical solution, a plurality of bottom holes are provided on the bottom surface of the switch box, and the bottom holes are communicated with the mounting grooves.

[0017] As a further technical solution, one end of the air pushing rod is fixedly connected to a pressing frame.

[0018] As a further technical solution, the connecting pipe is made of a bendable and anti-bending structural material.

[0019] As a further technical solution, the rotating plate can be rotated upward by 90° through a pin connection.

[0020] The working principle and beneficial effects of the utility model are:

[0021] The utility model is provided with a docking shunt component. Through the interaction of structures such as an installation groove, a reagent bottle, a jack, a sealing rubber layer, a positioning groove, a fixed plug nozzle, a movable plug nozzle, a shunt needle and an air cylinder, two clamping plates are respectively provided with a movable plug nozzle and a fixed plug nozzle, and the reagent bottle is connected by inserting the jack. The reagent bottle can be switched at will through a connecting structure that can be moved laterally by a switching box. The reagent bottle is pressed by the air cylinder to extrude the reagent, and then the shunt needle is injected outward. The shunt needle can be removed from the threaded hole, and the shunt needle with different numbers of needles can be replaced to achieve an arbitrary shunt effect. The utility model has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is the axonometric drawing of the utility model;

[0025] Figure 3 It is a cross-sectional view of the utility model;

[0026] Figure 4 This is a cross-sectional view from another perspective of the utility model;

[0027] Figure 5 This is another cross-sectional view of the utility model from another perspective;

[0028] Figure 6 For the utility model Figure 5 A partial enlarged view of part A;

[0029] In the figure: 1. rectangular plate; 2. switching box; 3. inner cavity; 4. clamping plate; 5. docking shunt assembly; 5-1. mounting groove; 5-2. card slot; 5-3. bump; 5-4. reagent bottle; 5-5. jack; 5-6. sealing rubber layer; 5-7. positioning groove; 5-8. fixed plug; 5-9. threaded hole; 5-10. shunt needle; 5-11. movable plug; 5-12. rotating plate; 5-13. air cylinder; 5-14. air push rod; 5-15. connecting pipe; 6. screw tensioning assembly; 6-1. slideway; 6-2. moving rod; 6-3. rack; 6-4. inner plate; 6-5. tension spring; 6-6. driving gear; 6-7. screw block; 7. bottom hole; 8. pressing frame. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figure 1 to Figure 6 As shown, this embodiment provides a biological reagent diversion syringe, comprising

[0032] A rectangular plate 1 and a switch box 2, wherein the switch box 2 is slidably connected to the rectangular plate 1;

[0033] An inner cavity 3, a pair of clamping plates 4 and a screwing and tensioning assembly 6, wherein the inner cavity 3 is opened in the rectangular plate 1, and the screwing and tensioning assembly 6 is arranged between the inner cavity 3 and the clamping plates 4;

[0034] A docking shunt component 5 is arranged between the splint 4 and the switching box 2, and the docking shunt component 5 includes a plurality of mounting grooves 5-1, the mounting grooves 5-1 are opened on the surface of the switching box 2, a pair of card grooves 5-2 are opened on the surface of the switching box 2, a convex block 5-3 is arranged in the card groove 5-2, a reagent bottle 5-4 is placed in the mounting groove 5-1, the upper and lower ends of the reagent bottle 5-4 are both mounted on the convex block 5-3, the upper and lower end surfaces of the reagent bottle 5-4 are both provided with a socket 5-5, the opposite end surfaces of the reagent bottle 5-4 are both provided with a sealing rubber layer 5-6, the opposite end surfaces of the outside of the switching box 2 are both provided with a plurality of positioning grooves 5-7, the positioning grooves 5-7 and the socket 5-5 are located at the same axial position, and the side surface of the splint 4 is provided with a fixed socket Nozzle 5-8, a threaded hole 5-9 is provided on the surface of the splint 4, a shunt needle 5-10 is screwed and connected in the threaded hole 5-9 by threaded cooperation, a movable plug nozzle 5-11 is provided at one end of the shunt needle 5-10, the fixed plug nozzle 5-8 and the movable plug nozzle 5-11 are both plugged and connected in the jack 5-5, one end of the fixed plug nozzle 5-8 and the movable plug nozzle 5-11 pass through the sealing rubber layer 5-6, the upper end surface of the splint 4 is rotatably connected with a rotating plate 5-12 through a pin shaft, an air cylinder 5-13 is provided on the surface of the rotating plate 5-12, an air push rod 5-14 is installed at one end of the air cylinder 5-13, a connecting pipe 5-15 is connected between the splint 4 and the surface of the splint 4, and the connecting pipe 5-15 is respectively connected with the air cylinder 5-13 and the fixed plug nozzle 5-8.

[0035] In this embodiment, in order to achieve the effect of on-demand diversion and switching of reagents, a docking diversion component 5 is designed, and a plurality of mounting grooves 5-1 and card slots 5-2 are provided on the surface of the switching box 2. The card slots 5-2 are located at the upper and lower ends of the mounting grooves 5-1, and bumps 5-3 are provided in the card slots 5-2. A pluggable reagent bottle 5-4 is installed in the mounting groove 5-1, and plug holes 5-5 are provided at both the front and rear ends of the reagent bottle 5-4, and a sealing rubber layer 5-6 is provided inside the plug hole 5-5 to block the plug hole 5-5 to prevent liquid from flowing out. Fixed plug nozzles 5-8 and movable plug nozzles 5-11 are respectively provided on the two splints 4, and a threaded hole 5-9 is provided on the surface of one of the splints 4. The movable plug nozzle 5-11 is screwed and connected to the threaded hole 5-9, and the movable plug nozzle 5-11 is screwed and connected to the The fixed plug 5-8 is used to be inserted into the socket 5-5 and pass through the sealing rubber layer 5-6. The outer two side surfaces of the switching box 2 are also provided with a plurality of positioning grooves 5-7 which are coaxial with the socket 5-5, and are used to cooperate with the fixed plug 5-8 and the movable plug 5-11 for positioning, connection and limiting retention. A rotating plate 5-12 is rotatably connected to the clamping plate 4 on one side through a pin shaft, and an air cylinder 5-13 and an air pushing rod 5-14 are installed on the rotating plate 5-12. The air pushing rod 5-14 is connected in the air cylinder 5-13, and a connecting pipe 5-15 is connected between the air cylinder 5-13 and the fixed plug 5-8. The air pushing rod 5-14 can be pressed to push the liquid through the gas in the air cylinder 5-13. During operation, the liquid needs to be kept concentrated on the diverter needle 5-10 to avoid squeezing out air.

[0036] Furthermore, the screwing and tensioning assembly 6 includes a pair of slides 6-1, and the slides 6-1 are arranged on both side surfaces of the inner cavity 3. A moving rod 6-2 is slidably connected to the slides 6-1, and one end of the moving rod 6-2 is fixedly connected to the clamp 4. A rack 6-3 is arranged on the side end face of the moving rod 6-2. The inner cavity 3 is provided with a pair of inner plates 6-4, and a tension spring 6-5 is connected between the inner plate 6-4 and the moving rod 6-2. A driving gear 6-6 is rotatably connected in the inner cavity 3, and the driving gear 6-6 is meshed with the rack 6-3. A screwing block 6-7 is fixedly connected to one end of the driving gear 6-6, and the screwing block 6-7 is a polygonal structure.

[0037] In this embodiment, in order to achieve the connection effect of the operating splint 4, a screwing and tensioning assembly 6 is designed. Two slideways 6-1 are provided on both sides of the inner cavity 3. A moving rod 6-2 is slidably connected to the slideway 6-1. The two moving rods 6-2 are respectively connected to the splints 4 on both sides. Two inner plates 6-4 are also provided in the inner cavity 3. A tension spring 6-5 is connected between the inner plate 6-4 and the moving rod 6-2. The moving rod 6-2 can be moved by the elastic force of the tension spring 6-5. A driving gear 6-6 and a screwing block 6-7 are also rotatably connected. A rack 6-3 is provided on the side end face of the moving rod 6-2. The rack 6-3 is meshed with the driving gear 6-6. By screwing the screwing block 6-7, the driving gear 6-6 drives the rack 6-3 to move the splint 4 outward. When the screwing block 6-7 is loosened, the resilience of the tension spring 6-5 pulls the moving rod 6-2 to move the splint 4 inward, thereby achieving the effect of controlling the movement and connection of the splint 4.

[0038] Furthermore, a plurality of bottom holes 7 are formed on the bottom surface of the switch box 2, and the bottom holes 7 are connected to the mounting grooves 5-1.

[0039] In this embodiment, by opening a plurality of bottom holes 7 connected to the mounting groove 5 - 1 at the bottom of the switching box 2 , the reagent bottle 5 - 4 can be pushed outward at the bottom hole 7 , so as to facilitate replacement of the reagent bottle 5 - 4 .

[0040] Furthermore, one end of the air pushing rod 5-14 is fixedly connected to a pressing frame 8.

[0041] In this embodiment, by installing a pressing frame 8 at one end of the air pushing rod 5-14, it is convenient for fingers to press and can avoid sliding.

[0042] Furthermore, the connecting pipe 5-15 is made of a bendable and anti-bending structural material.

[0043] In this embodiment, the bendable and anti-bending structural material can bend and deform when the rotating plate 5-12 rotates.

[0044] Furthermore, the rotating plate 5-12 can be rotated upward by 90° through the pin connection.

[0045] In this embodiment, the position of the gas cylinder 5-13 is made more convenient to operate and push out the reagent by turning the gas cylinder 5-13 at a 90° angle.

[0046] When needed, the reagent bottles 5-4 containing different reagents are respectively placed in the installation groove 5-1 and connected with the protrusion 5-3. When switching the reagent, the screw block 6-7 is twisted to make the driving gear 6-6 drive the rack 6-3 to drive the moving rod 6-2 to extend outward, so that the clamping plate 4 opens the spacing, and then the switching box 2 is pushed. After adjusting the position of the reagent bottle 5-4, the screw block 6-7 is loosened, and the clamping plate 4 is reset by the rebound tension of the tension spring 6-5. At the same time, the fixed plug 5-8 and the movable plug 5-11 are inserted into the jack 5-5 and penetrate the sealing rubber layer 5-6. Then the rotating plate 5-12 is opened upward, and force is applied to the pressing frame 8. The reagent is squeezed out of the shunt needle 5-10 through the gas push rod 5-14 and the gas cylinder 5-13. Figure 1 The shunt needle 5-10 shown in the figure adopts a double-head structure. Different shunt needles 5-10 can be replaced according to the number of shunts. The shunt needle 5-10 can be screwed out in the threaded hole 5-9 for easy replacement.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A biological reagent diversion syringe, characterized in that: include A rectangular plate (1) and a switch box (2), wherein the switch box (2) is slidably connected to the rectangular plate (1); An inner cavity (3), a pair of clamping plates (4) and a screwing and tensioning assembly (6), wherein the inner cavity (3) is opened in the rectangular plate (1), and the screwing and tensioning assembly (6) is arranged between the inner cavity (3) and the clamping plates (4); A docking shunt assembly (5), the docking shunt assembly (5) is arranged between the clamping plate (4) and the switching box (2), the docking shunt assembly (5) comprises a plurality of mounting grooves (5-1), the mounting grooves (5-1) are provided on the surface of the switching box (2), a pair of card grooves (5-2) are provided on the surface of the switching box (2), a convex block (5-3) is provided in the card groove (5-2), a reagent bottle (5-4) is placed in the mounting groove (5-1), and the upper and lower ends of the reagent bottle (5-4) are both mounted on the convex block (5-3).

2. A biological reagent splitter syringe according to claim 1, characterized in that: The reagent bottle (5-4) is provided with a plug hole (5-5) on both upper and lower end surfaces, the reagent bottle (5-4) is provided with a sealing rubber layer (5-6) on both opposite end surfaces inside, the switch box (2) is provided with a plurality of positioning grooves (5-7) on both opposite end surfaces outside, the positioning grooves (5-7) and the plug hole (5-5) are located at the same axial position, and the side surface of the clamping plate (4) is provided with a fixed plug nozzle (5-8).

3. A biological reagent splitter syringe according to claim 2, characterized in that: A threaded hole (5-9) is provided on the surface of the clamping plate (4), a shunt needle (5-10) is screwed in the threaded hole (5-9) through threaded engagement, a movable plug nozzle (5-11) is provided at one end of the shunt needle (5-10), the fixed plug nozzle (5-8) and the movable plug nozzle (5-11) are both plugged and connected in the jack (5-5), and one end of the fixed plug nozzle (5-8) and the movable plug nozzle (5-11) pass through the sealing rubber layer (5-6).

4. A biological reagent splitter syringe according to claim 3, characterized in that: The upper end surface of the clamping plate (4) is rotatably connected to a rotating plate (5-12) via a pin shaft, an air cylinder (5-13) is arranged on the surface of the rotating plate (5-12), an air push rod (5-14) is installed at one end of the air cylinder (5-13), a connecting pipe (5-15) is connected between the clamping plate (4) and the surface of the clamping plate (4), and the connecting pipe (5-15) is respectively connected to the air cylinder (5-13) and the fixed plug nozzle (5-8).

5. A biological reagent splitter syringe according to claim 1, characterized in that: The screw tensioning assembly (6) comprises a pair of slideways (6-1), wherein the slideways (6-1) are arranged on the inner and outer surfaces of the inner cavity (3), a moving rod (6-2) is slidably connected to the slideways (6-1), one end of the moving rod (6-2) is fixedly connected to the clamping plate (4), a rack (6-3) is arranged on the side end surface of the moving rod (6-2), and the inner cavity (3) is provided with a pair of inner plates (6-4).

6. A biological reagent splitter syringe according to claim 5, characterized in that: A tension spring (6-5) is connected between the inner plate (6-4) and the moving rod (6-2); a driving gear (6-6) is rotatably connected in the inner cavity (3); the driving gear (6-6) is meshed with the rack (6-3); one end of the driving gear (6-6) is fixedly connected to a screw block (6-7); and the screw block (6-7) is a polygonal structure.

7. A biological reagent splitter syringe according to claim 1, characterized in that: The bottom surface of the switch box (2) is provided with a plurality of bottom holes (7), and the bottom holes (7) are connected to the installation grooves (5-1).

8. A biological reagent splitter syringe according to claim 4, characterized in that: One end of the air pushing rod (5-14) is fixedly connected to a pressing frame (8).

9. A biological reagent splitter syringe according to claim 4, characterized in that: The connecting pipe (5-15) is made of a bendable and anti-bending structural material.

10. A biological reagent splitter syringe according to claim 4, characterized in that: The rotating plate (5-12) can be rotated upwards by 90 degrees through the pin connection.

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