CN214158195U

CN214158195U - Multichannel coordinated type syringe pump

Info

Publication number: CN214158195U
Application number: CN202020652111.1U
Authority: CN
Inventors: 樊红; 高燕娜; 林武
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-09-10
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a multichannel coordinated type syringe pump, including movable block, lead screw, fixed block, first threaded rod and control cabinet, one side fixedly connected with fixed block on control cabinet top, the intermediate position department swing joint on control cabinet top has the movable block, the inside top of movable block is run through there is the fixture block, one side of movable block is provided with fixed knot and constructs, the opposite side fixedly connected with standing groove on control cabinet top, the first threaded rod of intermediate position department fixedly connected with of fixed block one side. The utility model discloses a be provided with limit structure, the needle tubing when putting into the standing groove on, can utilize the flexible power of spring to drive the stopper and remove to both sides, tightly block the needle tubing, is difficult for causing not hard up, and adapts to the not needle tubing of equidimension in the certain limit, and the damping piece has certain elasticity simultaneously, has also played certain guard action to the needle tubing.

Description

Multichannel coordinated type syringe pump

Technical Field

The utility model relates to an injection pump technical field specifically is a multichannel coordinated type injection pump.

Background

The injection pump is an article for injecting liquid through the reciprocating motion among a screw rod, a nut and a piston, and the multi-channel injection pump consists of injection pumps with three or more channels and is mainly used in biological experiments.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) in the traditional multi-channel linkage type injection pump, the push-pull handle is not fixed stably enough, so that the push-pull handle is easy to fall off in the using process;

(2) the traditional multi-channel linkage type injection pump has relatively fixed space, and is not convenient for the stable use of injectors with different sizes;

(3) the traditional multi-channel linkage type injection pump has the disadvantages that the needle head is not convenient to replace and the practicability is poor in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multichannel coordinated type syringe pump to the fixed not firm enough, the not equidimension syringe installation of being not convenient for and the not convenient for problem of changing the syringe needle of proposing the push-and-pull handle among the above-mentioned background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-channel linkage type injection pump comprises a movable block, a lead screw, a fixed block, a first threaded rod and a control console, wherein the fixed block is fixedly connected to one side of the top end of the control console, the movable block is movably connected to the middle position of the top end of the control console, a clamping block penetrates through the top end of the interior of the movable block, a fixed structure is arranged on one side of the movable block, a placing groove is fixedly connected to the other side of the top end of the control console, the first threaded rod is fixedly connected to the middle position of one side of the fixed block and fixedly connected to the middle position of one side of the movable block and the placing groove, the lead screw is fixedly connected to both ends of one side of the fixed block and fixedly connected to both ends of one side of the movable block and the placing groove, a limiting structure is uniformly arranged in the placing groove, a needle tube is arranged in the limiting structure, and a dismounting structure is arranged on one side of the needle tube, the needle head is arranged on one side of the dismounting structure, the piston is arranged inside the needle tube, the push-pull handle is fixedly connected to one side of the piston, one side of the push-pull handle penetrates through the other side of the needle tube and is movably connected with the fixed structure, the third threaded rod is arranged in the middle of the top end of the placing groove, and the pressing plate is movably connected to the outer side wall of the third threaded rod.

Preferably, fixed knot constructs the inside and has set gradually draw-in groove, regulation circle, second threaded rod and fixed plate, the draw-in groove evenly sets up in one side of movable block, the equal fixedly connected with second threaded rod in both sides on draw-in groove top, the lateral wall of second threaded rod all is provided with the regulation circle.

Preferably, the inside of adjusting the circle is provided with the internal thread, be threaded connection between regulation circle and the second threaded rod.

Preferably, limiting blocks, damping blocks and springs are sequentially arranged inside the limiting structure, the limiting blocks are arranged on two sides inside the placing groove, the damping blocks are fixedly connected to one side of the limiting blocks, the springs are evenly arranged on the other side of the limiting blocks, and one side of each spring is fixedly connected with the inner side wall of the placing groove.

Preferably, the inside of dismouting structure has set gradually sealing washer, slider, spout and collar, the sealing washer all sets up in one side of needle tubing, the spout all sets up in the lateral wall of syringe needle, the inside of spout all is provided with the slider, the collar all sets up in the lateral wall of needle tubing, and inside one side and the slider fixed connection of collar.

Preferably, the outer diameter of the sliding block is smaller than the inner diameter of the sliding groove, and a sliding structure is formed between the sliding block and the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-channel linkage type injection pump not only realizes the fixation of the push-pull handle, is not easy to fall off, realizes the installation and the use of injectors with different sizes, but also realizes the convenient replacement of the needle head;

(1) the fixing structure is arranged on one side of the movable block, the second threaded rod is in threaded connection with the adjusting ring, the fixing plate can be separated from the second threaded rod by rotating the adjusting ring, the push-pull handle is placed in the fixing structure, the fixing plate is placed on the fixing plate, the adjusting ring is rotated again, the push-pull handle can be stably fixed, separation in the application process is not easy to cause, and the use is more convenient;

(2) the limiting structure is arranged in the placing groove, when the needle tube is placed on the placing groove, the limiting blocks are driven to move towards two sides by using the telescopic force of the spring, the needle tube is tightly clamped, the looseness is not easy to cause, the needle tube is suitable for the needle tubes with different sizes in a certain range, and meanwhile, the damping block has certain elasticity and plays a certain protection role in the needle tube;

(3) through being provided with the dismouting structure in one side of needle tubing, the inside of installation circle is provided with the internal thread, is provided with the external screw thread on the lateral wall on one side of needle tubing, rotates the installation circle and can drive the slip of slider in the spout to make the internal thread of installation circle and the external screw thread on the needle tubing tightly close, alright fix needle tubing and syringe needle, simple convenient the time of having practiced thrift.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the fixing structure of the present invention;

FIG. 3 is a schematic view of the side view of the position-limiting structure of the present invention;

FIG. 4 is an enlarged schematic view of the top view of a partial section of the dismounting mechanism of the present invention;

fig. 5 is a front view structure diagram of the console of the present invention.

In the figure: 1. a movable block; 2. a screw rod; 3. a fixed block; 4. a first threaded rod; 5. a console; 6. a fixed structure; 601. a card slot; 602. an adjusting ring; 603. a second threaded rod; 604. a fixing plate; 7. a push-pull handle; 8. a piston; 9. a limiting structure; 901. a limiting block; 902. a damping block; 903. a spring; 10. a needle head; 11. a disassembly and assembly structure; 1101. a seal ring; 1102. a slider; 1103. a chute; 1104. installing a ring; 12. a third threaded rod; 13. a needle tube; 14. pressing a plate; 15. a placement groove; 16. and (7) clamping blocks.

Detailed Description

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

Referring to fig. 1-5, the present invention provides an embodiment: a multi-channel linkage type injection pump comprises a movable block 1, a screw rod 2, a fixed block 3, a first threaded rod 4 and a control console 5, wherein the fixed block 3 is fixedly connected to one side of the top end of the control console 5, the movable block 1 is movably connected to the middle position of the top end of the control console 5, a clamping block 16 penetrates through the top end of the inner part of the movable block 1, and a fixed structure 6 is arranged on one side of the movable block 1;

a clamping groove 601, an adjusting ring 602, a second threaded rod 603 and a fixing plate 604 are sequentially arranged in the fixed structure 6, the clamping groove 601 is uniformly arranged on one side of the movable block 1, the second threaded rod 603 is fixedly connected to both sides of the top end of the clamping groove 601, the adjusting ring 602 is arranged on the outer side wall of the second threaded rod 603, internal threads are arranged in the adjusting ring 602, and the adjusting ring 602 is in threaded connection with the second threaded rod 603;

specifically, as shown in fig. 1, 2 and 5, when the mechanism is used, firstly, the adjusting ring 602 is rotated to separate from the second threaded rod 603, then the fixing plate 604 is separated from the second threaded rod 603, the push-pull handle 7 is put in, then the fixing plate 604 is put back on the second threaded rod 603, and the adjusting ring 602 is turned over, so that the push-pull handle 7 can be fixed, and the mechanism is convenient to use;

the other side of the top end of the control console 5 is fixedly connected with a placing groove 15, the middle position of one side of the fixed block 3 is fixedly connected with a first threaded rod 4, the first threaded rod penetrates through the middle position of one side of the movable block 1 and the placing groove 15 and is fixedly connected with the middle position of one side of the fixed block 3, both ends of one side of the fixed block 3 are fixedly connected with lead screws 2, both ends of one side of the movable block 1 and the placing groove 15 are fixedly connected, and a limiting structure 9 is uniformly arranged in the placing groove 15;

a limiting block 901, a damping block 902 and a spring 903 are sequentially arranged in the limiting structure 9, the limiting block 901 is arranged on two sides of the inside of the placing groove 15, the damping block 902 is fixedly connected to one side of the limiting block 901, the spring 903 is uniformly arranged on the other side of the limiting block 901, and one side of the spring 903 is fixedly connected with the inner side wall of the placing groove 15;

specifically, as shown in fig. 1 and fig. 3, when the mechanism is used, firstly, the needle tube 13 to be used is placed in the placement groove 15, then the limiting block 901 is driven by the telescopic force of the spring 903 to move towards two sides, the needle tube 13 is tightly clamped, and is not easy to loosen, and meanwhile, the damping block 902 has certain elasticity and also has certain protection effect on the needle tube 13;

a needle tube 13 is arranged in each limiting structure 9, and a dismounting structure 11 is arranged on each side of each needle tube 13;

a sealing ring 1101, a sliding block 1102, a sliding groove 1103 and a mounting ring 1104 are sequentially arranged inside the dismounting structure 11, the sealing rings 1101 are all arranged on one side of the needle tube 13, the sliding grooves 1103 are all arranged on the outer side wall of the needle 10, the sliding blocks 1102 are all arranged inside the sliding grooves 1103, the mounting ring 1104 is all arranged on the outer side wall of the needle tube 13, one side inside the mounting ring 1104 is fixedly connected with the sliding block 1102, the outer diameter of the sliding block 1102 is smaller than the inner diameter of the sliding groove 1103, and a sliding structure is formed between the sliding block 1102 and the sliding groove 1103;

a needle head 10 is arranged on one side of the dismounting structure 11, a piston 8 is arranged inside the needle tube 13, a push-pull handle 7 is fixedly connected to one side of the piston 8, one side of the push-pull handle 7 penetrates through the other side of the needle tube 13 and is movably connected with the fixed structure 6, a third threaded rod 12 is arranged in the middle of the top end of the placing groove 15, and a pressing plate 14 is movably connected to the outer side wall of the third threaded rod 12;

specifically, as shown in fig. 1, 4 and 5, when the mechanism is used, firstly, the needle 10 is aligned with the needle 13, and the mounting ring 1104 is rotated to drive the sliding block 1102 to slide in the sliding slot 1103, so that the internal thread of the mounting ring 1104 is tightly engaged with the external thread on the needle 13, and the needle 10 can be fixed on the needle 13, which is simple, convenient and easy to replace.

The working principle is as follows: the utility model discloses when using, at first, aim at syringe needle 10 and needle tubing 13, rotate the slip that installation circle 1104 drove slider 1102 in spout 1103 to make the internal thread of installation circle 1104 and the external screw thread on the needle tubing 13 tightly close, fix syringe needle 10 on needle tubing 13.

Then, the third threaded rod 12 is rotated, the pressing plate 14 is rotated to 90 degrees after being unscrewed, the needle tube 13 is placed in the placement groove 15, the limiting block 901 is driven to move towards two sides by the aid of the stretching force of the spring 903, the needle tube 13 is tightly clamped, the pressing plate 14 is rotated back to the original position, the third threaded rod 12 is screwed, the adjusting ring 602 is rotated to be separated from the second threaded rod 603, the fixing plate 604 is separated from the second threaded rod 603, the push-pull handle 7 is placed in the needle tube, the fixing plate 604 is placed back on the second threaded rod 603, the adjusting ring 602 is rotated to fix the push-pull handle 7, and the clamping block 16 is rotated out of the movable block 1, so that the movable block 1 can move.

Finally, the moving data is adjusted through the console 5, the machine is started, and the push-pull handle 7 is driven to pull the piston 8 to move through the movement of the movable block 1 on the screw rod 2 and the first threaded rod 4, so that the liquid medicine is accurately and stably sucked and ejected from the needle tube 13.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multichannel coordinated type syringe pump, includes movable block (1), lead screw (2), fixed block (3), first threaded rod (4) and control cabinet (5), its characterized in that: one side of the top end of the control console (5) is fixedly connected with a fixed block (3), the middle position of the top end of the control console (5) is movably connected with a movable block (1), a clamping block (16) penetrates through the top end of the inner part of the movable block (1), one side of the movable block (1) is provided with a fixed structure (6), the other side of the top end of the control console (5) is fixedly connected with a placing groove (15), the middle position of one side of the fixed block (3) is fixedly connected with a first threaded rod (4) and penetrates through the middle positions of one sides of the movable block (1) and the placing groove (15), two ends of one side of the fixed block (3) are both fixedly connected with a lead screw (2) and both ends of one side of the movable block (1) and the placing groove (15), and the inner part of the placing groove (15) is uniformly provided with a limiting structure (9), the utility model discloses a syringe, including limiting structure (9), syringe (13), dismouting structure (11), syringe (13), piston (8), push-and-pull handle (7), and the opposite side and fixed knot that all run through in syringe (13) of push-and-pull handle (7) are connected to the equal fixedly connected with in one side of piston (8) handle (7), and the intermediate position department on standing groove (15) top is provided with third threaded rod (12), the lateral wall swing joint of third threaded rod (12) has clamp plate (14).

2. The multi-channel linkage type injection pump as claimed in claim 1, wherein: the inside of fixed knot structure (6) has set gradually draw-in groove (601), regulation circle (602), second threaded rod (603) and fixed plate (604), draw-in groove (601) evenly sets up in one side of movable block (1), the equal fixedly connected with second threaded rod (603) in both sides on draw-in groove (601) top, the lateral wall of second threaded rod (603) all is provided with regulation circle (602).

3. The multi-channel linkage type injection pump as claimed in claim 2, wherein: the inside of adjusting circle (602) is provided with the internal thread, be threaded connection between adjusting circle (602) and second threaded rod (603).

4. The multi-channel linkage type injection pump as claimed in claim 1, wherein: the limiting structure is characterized in that limiting blocks (901), damping blocks (902) and springs (903) are sequentially arranged inside the limiting structure (9), the limiting blocks (901) are arranged on two sides inside the placing groove (15), the damping blocks (902) are fixedly connected to one side of the limiting blocks (901), the springs (903) are uniformly arranged on the other side of the limiting blocks (901), and one side of each spring (903) is fixedly connected with the inner side wall of the placing groove (15).

5. The multi-channel linkage type injection pump as claimed in claim 1, wherein: the utility model discloses a syringe needle, including dismouting structure (11), spout (1103), mounting ring (1104), sealing washer (1101), slider (1102), spout (1103) and mounting ring (1104) have set gradually in the inside of dismouting structure (11), sealing washer (1101) all sets up in one side of needle tubing (13), spout (1103) all sets up in the lateral wall of syringe needle (10), the inside of spout (1103) all is provided with slider (1102), mounting ring (1104) all sets up in the lateral wall of needle tubing (13), and inside one side and slider (1102) fixed connection of mounting ring (1104).

6. The multi-channel linkage type injection pump as claimed in claim 5, wherein: the outer diameter of the sliding block (1102) is smaller than the inner diameter of the sliding groove (1103), and a sliding structure is formed between the sliding block (1102) and the sliding groove (1103).