CN214458009U

CN214458009U - Automatic liquid injection device

Info

Publication number: CN214458009U
Application number: CN202023145481.5U
Authority: CN
Inventors: 徐涛
Original assignee: Jing Zhun Biomedical Shenzhen Co ltd
Current assignee: Jing Zhun Biomedical Shenzhen Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-22
Anticipated expiration: 2030-12-23

Abstract

The application provides an automatic priming device, including the support frame, install in the syringe body of the one end of support frame, install in the lead screw of the other end of support frame, install the sliding seat on the lead screw, install motor on the support frame, install photoelectric sensor on the support frame and be used for with the photoelectric sensor cooperation with the photoelectric sensor control motor photoelectric sensing piece that opens and shuts. According to the automatic injection device, the screw rod can be driven to rotate through the motor, so that the sliding seat is driven to move, and the injection of the injector body connected with the sliding seat is realized, so that the automatic operation is realized, and compared with the traditional manual operation, the automatic injection device is time-saving, labor-saving and high in efficiency; moreover, the lead screw drives the sliding seat to move reliably, and the control on the liquid injection speed can be realized; a photoelectric sensor is arranged on the sliding seat, and a photoelectric sensing piece is arranged on the support frame. When the photoelectric sensor is touched by the photoelectric sensing piece, the motor can be stopped, so that the control of the liquid injection flow is realized, and the use safety can be improved.

Description

Automatic liquid injection device

Technical Field

The application belongs to the technical field of syringes, and more particularly relates to an automatic liquid injection device.

Background

At present, in the process of screening cells by a cell sorter, the flow rate and the flow rate of a supplied sample need to be controlled so as to realize high-throughput and high-efficiency screening.

However, the operation of supplying the sample is usually performed manually, which is high in labor cost, time-consuming, labor-consuming and inefficient; on the other hand, the flow rate and flow rate of the supplied sample cannot be accurately controlled, and the influence on the cell screening is large.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an automatic priming device to solve the manual work that exists among the correlation technique and supply the inefficiency of sample, the unable accurate control's of the velocity of flow and the flow of sample problem.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

the automatic liquid injection device comprises a support frame, an injector body arranged at one end of the support frame, a screw rod arranged at the other end of the support frame, a sliding seat arranged on the screw rod, a motor used for driving the screw rod to rotate, a photoelectric sensor arranged on the support frame and a photoelectric sensing sheet used for being matched with the photoelectric sensor to control the motor to be opened and closed; the sliding seat is connected with the injector body, the motor is installed on the supporting frame, the motor is connected with the screw rod, and the photoelectric sensing piece is installed on the sliding seat.

In one embodiment, the support frame comprises a support plate, two first mounting plates arranged at one end of the support plate at intervals, and two second mounting plates arranged at the other end of the support plate at intervals; the two ends of the injector body are respectively arranged on the two first mounting plates, one end of the screw rod is rotatably arranged on one second mounting plate, the other end of the screw rod penetrates through the other second mounting plate and is connected with the motor, the motor is arranged on the supporting plate, and the sliding seat is arranged between the two second mounting plates.

In one embodiment, the supporting plate is provided with a first through hole for the sliding seat to pass through.

In one embodiment, the support bracket further comprises a connecting plate connecting the two second mounting plates; the photoelectric sensor is arranged on the connecting plate.

In one embodiment, the connecting plate is provided with a plurality of mounting holes for fixing the photoelectric sensor.

In one embodiment, each of the first mounting plates has a recess for the corresponding end of the syringe body to extend into, and a bottom surface of each of the recesses has a second through hole.

In one embodiment, the sliding seat comprises a sliding block arranged on the screw rod and a connecting block sleeved on the screw rod; the sliding block is connected with one end of the connecting block, and the other end of the connecting block is connected with the injector body.

In one embodiment, the injector body comprises a tube body arranged on the support frame and an injection push rod arranged in the tube body, and one end of the injection push rod extends out of the tube body; the injector body further comprises a stopping seat arranged at one end, extending out of the tube body, of the injection push rod, and a third through hole for the injection push rod to pass through is formed in one end, far away from the screw rod, of the connecting block; the sliding seat further comprises a fixing block which is connected with the connecting block to clamp the blocking seat.

In one embodiment, the fixing block is provided with a positioning groove for the retaining seat to extend into.

In one embodiment, a sliding rail is arranged on the supporting frame along the length direction of the screw rod; the automatic liquid injection device further comprises a sliding block arranged on the sliding rail, and the sliding block is connected with the sliding seat.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

(1) according to the automatic injection device, the screw rod can be driven to rotate through the motor, so that the sliding seat is driven to move, and the injection of the injector body connected with the sliding seat is realized, so that the automatic operation is realized, and compared with the traditional manual operation, the automatic injection device is time-saving, labor-saving and high in efficiency; moreover, the lead screw drives the sliding seat to move reliably, and the control on the liquid injection speed can be realized;

(2) this application is through installing photoelectric sensor on the sliding seat, installs the photoelectric sensing piece on the carriage. When the photoelectric sensor is touched by the photoelectric sensing piece, the motor can be stopped, so that the control of the liquid injection flow is realized, and the use safety can be improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic liquid injection device provided in an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural diagram of a first mounting plate according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a fixing block according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a support frame; 11-a support plate; 110 — a first via; 12-a first mounting plate; 121-grooves; 122-a second via; 13-a second mounting plate; 14-a connecting plate; 140-windowing; 141-mounting holes; 15-a slide rail; 16-a slider;

2-an injector body; 21-a pipe body; 22-an injection push rod; 23-a stop seat;

3-a sliding seat; 31-a slide block; 32-connecting blocks; 320-opening a hole; 321-a third via; 33-fixing block; 331-positioning grooves;

4-a screw rod; 5, a motor; 6-a photosensor; 7-photoelectric sensing piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, an automatic liquid injection device provided in an embodiment of the present application will now be described. The automatic liquid injection device comprises a support frame 1, an injector body 2 arranged at one end of the support frame 1, a screw rod 4 arranged at the other end of the support frame 1, a sliding seat 3 arranged on the screw rod 4, a motor 5 used for driving the screw rod 4 to rotate, a photoelectric sensor 6 arranged on the support frame 1 and a photoelectric sensing sheet 7 used for being matched with the photoelectric sensor 6 to control the motor 5 to open and close; the sliding seat 3 is connected with the injector body 2, the motor 5 is arranged on the support frame 1, the motor 5 is connected with the screw rod 4, and the photoelectric sensing piece 7 is arranged on the sliding seat 3.

The support frame 1 can be mounted on an external object and plays a role in supporting the injector body 2, the screw rod 4, the motor 5 and the photoelectric sensor 6. The injector body 2 is used for injecting liquid under the pushing action of the sliding seat 3. The volume of the syringe body 2 can be adjusted according to actual needs, such as 50 ml, 10 ml, etc., and is not limited herein. The motor 5 can drive the screw rod 4 to realize forward and backward rotation, and further can drive the sliding seat 3 to realize forward and backward reciprocating movement, thereby realizing liquid suction and injection of the injector body 2. The photoelectric sensor 6 and the motor 5 can be respectively electrically connected with an external controller, when the photoelectric sensor 6 is touched by the photoelectric sensing piece 7, the photoelectric sensor 6 sends an instruction to the external controller, and then the external controller sends an instruction of stopping or reversely rotating to the motor 5, so that the injection amount of the injector body 2 can be controlled.

According to the structure, the screw rod 4 can be driven to rotate through the motor 5, so that the sliding seat 3 is driven to move, the injection is realized by the injector body 2 connected with the sliding seat 3, the automatic operation is realized, and compared with the traditional manual operation, the automatic injection device is time-saving, labor-saving and high in efficiency; and the lead screw 4 drives the sliding seat 3 to move reliably, and the control of the liquid injection speed can be realized. A photoelectric sensor 6 is arranged on the sliding seat 3, and a photoelectric sensing piece 7 is arranged on the supporting frame 1. When the photoelectric sensor 6 is touched by the photoelectric sensing sheet 7, the motor 5 can be stopped, so that the control of the liquid injection flow is realized, and the use safety can be improved.

In an embodiment, referring to fig. 1 and fig. 2, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, the support frame 1 includes a support plate 11, two first mounting plates 12 mounted at one end of the support plate 11 at intervals, and two second mounting plates 13 mounted at the other end of the support plate 11 at intervals; the two ends of the injector body 2 are respectively arranged on the two first mounting plates 12, one end of the screw rod 4 is rotatably arranged on one second mounting plate 13, the other end of the screw rod 4 penetrates through the other second mounting plate 13 and is connected with the motor 5, the motor 5 is arranged on the supporting plate 11, and the sliding seat 3 is arranged between the two second mounting plates 13. With the structure, the injector body 2 is clamped and fixed by the two first mounting plates 12, so that the mounting stability of the injector body 2 can be improved; through locating sliding seat 3 between two second mounting panels 13, two second mounting panels 13 can be respectively kept out sliding seat 3, avoid sliding seat 3 to cause the damage to syringe body 2 because of surpassing the stroke.

In an embodiment, referring to fig. 1 and fig. 2, as a specific implementation of the automatic liquid injection device provided in the embodiment of the present application, a first through hole 110 for the sliding seat 3 to pass through is formed on the supporting plate 11. According to the structure, on one hand, the injector body 2 and the screw rod 4 can be respectively arranged on two sides of the supporting plate 11, so that the length of the automatic liquid injection device can be reduced, and further the transverse occupied space is reduced; on the other hand, the two ends of the first through hole 110 can respectively resist the sliding seat 3, and the two second mounting plates 13 are matched to resist the sliding seat 3, so that the sliding seat 3 is prevented from damaging the injector body 2 due to exceeding of the stroke, and the use safety of the automatic liquid injection device can be further improved.

In an embodiment, please refer to fig. 1 and fig. 2, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, the support frame 1 further includes a connection plate 14 connecting the two second mounting plates 13; the photoelectric sensor 6 is mounted on the connection plate 14. This structure, through connecting two second mounting panels 13 with connecting plate 14, can improve the installation steadiness of two second mounting panels 13. By mounting the photoelectric sensor 6 on the connection plate 14, the photoelectric sensor 6 can be easily attached and detached.

In one embodiment, referring to fig. 1 and 2, a window 140 is formed on the connecting plate 14. With this structure, the amount of material used for the connection plate 14 can be reduced, the cost can be reduced, and the photoelectric sensor 6 can be easily mounted and dismounted.

In an embodiment, referring to fig. 2, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, a plurality of mounting holes 141 for fixing the photoelectric sensor 6 are formed in the connecting plate 14. With the structure, the photoelectric sensor 6 can be fixed at different positions of the connecting plate 14 through the matching of the screws and the mounting holes 141, so that quantitative control can be realized according to requirements. The number of the photoelectric sensors 6 can also be adjusted according to actual needs, for example, two photoelectric sensors 6 can be arranged on the connecting plate 14 at intervals, so that the stroke of the sliding seat 3 can be limited.

In an embodiment, referring to fig. 2 and fig. 3, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, each first mounting plate 12 is provided with a groove 121 into which the corresponding end of the syringe body 2 extends, and a bottom surface of each groove 121 is provided with a second through hole 122. With the structure, the two ends of the injector body 2 can respectively extend into the corresponding grooves 121, so that the rapid positioning and installation are realized, the grooves 121 can also avoid the shaking of the injector body 2, and the installation stability of the injector body 2 is further improved. The two ends of the injector body 2 can respectively extend out of the corresponding second through holes 122, one end of the injector body 2 is convenient for pushing liquid, and the other end is convenient for discharging liquid.

In an embodiment, referring to fig. 2, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, the sliding seat 3 includes a sliding block 31 installed on the screw rod 4 and a connecting block 32 sleeved on the screw rod 4; the slider 31 is connected to one end of the joint block 32, and the other end of the joint block 32 is connected to the syringe body 2. Specifically, the connecting block 32 is provided with an opening 320 through which the screw rod 4 passes, and one end of the slider 31 extends into the opening 320 and is fixedly connected with the connecting block 32. This structure, through the dismouting between slider 31 and the connecting block 32, be convenient for to the quick assembly disassembly of syringe body 2.

In an embodiment, referring to fig. 2, as a specific implementation of the automatic liquid injection device provided in the embodiment of the present application, the injector body 2 includes a tube 21 mounted on the supporting frame 1 and an injection plunger 22 mounted in the tube 21, wherein one end of the injection plunger 22 extends out of the tube 21; the injector body 2 further comprises a stopping seat 23 arranged at one end of the injection push rod 22 extending out of the tube body 21, and a third through hole 321 for the injection push rod 22 to pass through is formed at one end of the connecting block 32 far away from the screw rod 4; the sliding seat 3 further comprises a fixing block 33 connected to the connecting block 32 to hold the abutment 23. Specifically, two ends of the tube body 21 are respectively clamped into the two grooves 121 for fixation, and one end of the tube body 21 extends out of the corresponding second through hole 122, so that liquid can be discharged conveniently; the end of the injection plunger 22 extending out of the barrel 21 extends out of the corresponding second through hole 122. With the structure, the third through hole 321 can resist the blocking seat 23, and the blocking seat 23 can be clamped and fixed by the fixing block 33 and the connecting block 32, so that the connection stability between the injection push rod 22 and the sliding seat 3 can be improved. The third through hole 321 is a U-shaped groove, which facilitates separation of the injection push rod 22 from the connecting block 32, thereby realizing rapid assembly and disassembly of the injector body 2.

In an embodiment, referring to fig. 4, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, the fixing block 33 is provided with a positioning groove 331 for the stop seat 23 to extend into. With this structure, the positioning groove 331 can prevent the abutting seat 23 from shaking, thereby improving the reliability of the movement of the injection plunger 22 along the central axis of the tube 21.

In an embodiment, please refer to fig. 1 and fig. 2, as a specific implementation manner of the automatic liquid injection device provided in the embodiment of the present application, a slide rail 15 is installed on the support frame 1 along the length direction of the screw rod 4; the automatic liquid injection device further comprises a sliding block 16 arranged on the sliding rail 15, and the sliding block 16 is connected with the sliding seat 3. With the structure, the sliding block 16 and the sliding rail 15 can position and guide the sliding seat 3 to move, so that the reliability of the movement of the sliding seat 3 and the consistency of the movement direction of the sliding seat 3 and the injection push rod 22 are improved.

In an embodiment, referring to fig. 2, the number of the sliding rails 15 and the number of the sliding blocks 16 are correspondingly set, the number of the sliding rails 15 may be two, and the two sliding rails 15 are respectively disposed at two ends of the first through hole 110. With this structure, the reliability of the movement of the slide holder 3 can be further improved by the two slide blocks 16 and the slide rail 15.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Automatic priming device, its characterized in that: the device comprises a support frame, an injector body arranged at one end of the support frame, a screw rod arranged at the other end of the support frame, a sliding seat arranged on the screw rod, a motor used for driving the screw rod to rotate, a photoelectric sensor arranged on the support frame and a photoelectric sensing piece used for being matched with the photoelectric sensor to control the motor to be opened and closed; the sliding seat is connected with the injector body, the motor is installed on the supporting frame, the motor is connected with the screw rod, and the photoelectric sensing piece is installed on the sliding seat.

2. The automatic priming device of claim 1, wherein: the support frame comprises a support plate, two first mounting plates and two second mounting plates, wherein the two first mounting plates are mounted at one end of the support plate at intervals, and the two second mounting plates are mounted at the other end of the support plate at intervals; the two ends of the injector body are respectively arranged on the two first mounting plates, one end of the screw rod is rotatably arranged on one second mounting plate, the other end of the screw rod penetrates through the other second mounting plate and is connected with the motor, the motor is arranged on the supporting plate, and the sliding seat is arranged between the two second mounting plates.

3. The automatic priming device of claim 2, wherein: the supporting plate is provided with a first through hole for the sliding seat to pass through.

4. The automatic priming device of claim 2, wherein: the support frame also comprises a connecting plate for connecting the two second mounting plates; the photoelectric sensor is arranged on the connecting plate.

5. The automatic priming device of claim 4, wherein: and the connecting plate is provided with a plurality of mounting holes for fixing the photoelectric sensor.

6. The automatic priming device of claim 2, wherein: each first mounting plate is provided with a groove for the corresponding end of the injector body to extend into, and the bottom surface of each groove is provided with a second through hole.

7. The automatic priming device of any one of claims 1 to 6, wherein: the sliding seat comprises a sliding block arranged on the screw rod and a connecting block sleeved on the screw rod; the sliding block is connected with one end of the connecting block, and the other end of the connecting block is connected with the injector body.

8. The automatic priming device of claim 7, wherein: the injector body comprises a tube body arranged on the support frame and an injection push rod arranged in the tube body, and one end of the injection push rod extends out of the tube body; the injector body further comprises a stopping seat arranged at one end, extending out of the tube body, of the injection push rod, and a third through hole for the injection push rod to pass through is formed in one end, far away from the screw rod, of the connecting block; the sliding seat further comprises a fixing block which is connected with the connecting block to clamp the blocking seat.

9. The automatic priming device of claim 8, wherein: and the fixed block is provided with a positioning groove for the blocking seat to extend into.

10. The automatic priming device of any one of claims 1 to 6, wherein: a sliding rail is arranged on the supporting frame along the length direction of the screw rod; the automatic liquid injection device further comprises a sliding block arranged on the sliding rail, and the sliding block is connected with the sliding seat.