Upgradable high-pressure injector device

Abstract

The invention belongs to the field of high-pressure injectors, particularly relates to an upgradable high-pressure injector device, and aims to solve the problems that an existing high-pressure injector is difficult to match with different needle cylinders, the connection efficiency of the needle cylinders and the high-pressure injector is low, the configuration of the high-pressure injector is difficult to upgrade, and the compatibility and the use efficiency of the high-pressure injector are low. The high-pressure injector comprises a high-pressure injector body, a needle cylinder, a piston head, a high-pressure injection motor, a push rod, a connecting assembly and a limiting assembly, a connecting groove is formed in the bottom of the high-pressure injector body, the needle cylinder is installed in the connecting groove, the piston head is arranged in the needle cylinder, and the high-pressure injection motor is fixedly installed in the high-pressure injector body. And the push rod is fixedly mounted on an output shaft of the high-pressure injection motor. The high-pressure injector can be matched with different needle cylinders, the connecting efficiency of the needle cylinders and the high-pressure injector is high, the configuration of the high-pressure injector can be flexibly upgraded, and the compatibility and the use efficiency of the high-pressure injector are high.

Description

Technical Field

[0001] The present invention relates to the technical field of high-pressure injectors, and in particular to an upgradable high-pressure injector device. Background Art

[0002] As an auxiliary device in a radiology diagnosis and treatment system, a high-pressure injector has gradually been clinically applied with the development of technologies such as X-rays, rapid film changers, image intensifiers, and artificial contrast agents. The basic function of a high-pressure injector is to quickly and accurately inject a sufficient amount of liquid such as contrast agent and saline into the examination site through percutaneous puncture into a blood vessel or through an original body orifice within a certain period of time, so as to perform diagnostic angiography and treatment on the diseased site. After retrieval, the high-pressure injector with the publication number CN219332792U discloses a high-pressure injector capable of accurately detecting injection pressure, including a housing and a control module, a motor, and a push rod arranged in the housing; one end of the housing is provided with a syringe barrel, the output end of the syringe barrel is provided with an infusion tube, one side of the infusion tube is provided with a connecting tube communicated with it, a pressure sensor is installed in the housing, the end of the connecting tube is connected to the sensing end of the pressure sensor, and the signal output end of the pressure sensor is electrically connected to the control module;

[0003] Existing high-pressure injectors are difficult to match different syringe barrels, the connection efficiency between the syringe barrel and the high-pressure injector is low, their configuration is difficult to upgrade, and the compatibility and use efficiency of high-pressure injectors are low.

[0004] The information disclosed in this background art section is only intended to enhance the overall understanding of the present invention and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An upgradable high-pressure syringe device, comprising a high-pressure syringe, a syringe barrel, a piston head, a high-pressure injection motor, a push rod, a connection assembly and a limit assembly. A connection groove is formed at the bottom of the high-pressure syringe, the syringe barrel is installed in the connection groove, the piston head is arranged in the syringe barrel, the high-pressure injection motor is fixedly installed in the high-pressure syringe, the push rod is fixedly installed on the output shaft of the high-pressure injection motor, one end of the push rod is connected to the piston head, the connection assembly is arranged on the push rod, the connection assembly is connected to the piston head, the limit assembly is arranged on the high-pressure syringe, the limit assembly is connected to the syringe barrel, the limit assembly includes two clamping seats and two control plates. Installation grooves are formed on both inner walls of the connection groove, clamping seats are slidably installed in the two installation grooves, one side of the two clamping seats close to each other is attached to the syringe barrel, control plates are fixedly installed on one side of the two clamping seats, control grooves are formed on the inner walls of the two installation grooves, the control plates are slidably installed in the corresponding control grooves, threaded holes are formed on one side of the two control plates, lead screws one are rotatably installed on one side inner walls of the two control grooves, the lead screws one are threadedly installed in the corresponding threaded holes, two fixing grooves are formed on one side inner wall of the connection groove, drive plates are slidably installed in the two fixing grooves, both drive plates are in contact with one end of the syringe barrel, racks one are fixedly installed on one side of the two drive plates, grooves are formed on one side inner walls of the two fixing grooves, drive gears are rotatably installed on the inner walls of the two grooves, the drive gears are meshed with the racks one, bevel gears one are fixedly installed on one side of the two drive gears, bevel gears two are fixedly installed on one end of the two lead screws one, the bevel gears two are meshed with the corresponding bevel gears one.

[0007] Specifically, the connection assembly includes two limit seats. An assembly groove is formed at one end of the piston head, one end of the push rod is installed in the assembly groove, and limit grooves are formed on both inner walls of the assembly groove.

[0008] Specifically, two drive grooves are formed on the push rod, limit seats are slidably installed on the inner walls of the two drive grooves, racks two are fixedly installed on the two limit seats, rotating rods are rotatably installed on the inner walls of the two assembly grooves, rotating gears are fixedly installed at one end of the two rotating rods, and the rotating gears are meshed with the corresponding racks two.

[0009] Specifically, two rotating grooves are formed on the push rod, control gears are rotatably installed on the inner walls of the two rotating grooves, a telescopic hole is formed on the inner wall of the connection groove, the push rod is arranged in the telescopic hole, two racks three are fixedly installed on the inner wall of the telescopic hole, the racks three are meshed with the corresponding control gears, worms are fixedly installed on one side of the two control gears, worm wheels are fixedly installed at one end of the two rotating rods, and the worm wheels are meshed with the corresponding worms.

[0010] Specifically, a telescopic slot is formed on one side of the driving plate. A plug rod is slidably installed in the telescopic slot. One end of the plug rod is fixedly installed with a second spring, and one end of the second spring is fixedly installed on the inner wall of the telescopic slot. A slot is formed on the inner wall of the fixed slot, and the plug rod is installed in the slot.

[0011] Specifically, an extension slot is formed on one inner wall of the slot. A telescopic rod is slidably installed on the inner wall of the extension slot. One end of the telescopic rod is in contact with the plug rod, and a threaded groove is formed at the other end of the telescopic rod. A second lead screw is threadedly installed in the threaded groove. One end of the second lead screw is fixedly installed with an adjustment knob, and the adjustment knob is rotatably installed on one side of the high-pressure syringe.

[0012] Specifically, a first spring is fixedly installed on one side of each of the two driving plates, and one end of the first spring is fixedly installed on the inner wall of the corresponding fixed slot.

[0013] Specifically, anti-slip pads are fixedly installed on one side of each of the two clamping seats, and both anti-slip pads are in contact with the syringe barrel.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] (1) In a kind of upgradable high-pressure syringe device of the present invention, the syringe barrel is installed in the connection groove and the two driving plates are squeezed. The two limiting seats can clamp and limit the syringe barrel. At the same time, the driving plate drives the plug rod to move and inserts it into the slot under the drive of the second spring, which can further stabilize the position of the syringe barrel.

[0016] (2) In a kind of upgradable high-pressure syringe device of the present invention, the push rod enters the assembly groove on the piston head. When the high-pressure injection motor drives the push rod to move, the limiting seat slides into the limiting groove to stabilize the positions of the piston head and the push rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary. The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions under which the present invention can be implemented. Therefore, they do not have any technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a kind of upgradable high-pressure syringe device proposed by the present invention;

[0019] Figure 2 It is a front view structural schematic diagram of a kind of upgradable high-pressure syringe device proposed by the present invention;

[0020] Figure 3 Schematic three-dimensional structure diagram of the syringe barrel and the limit seat of an upgradable high-pressure syringe device proposed by the present invention;

[0021] Figure 4 is Figure 2 the enlarged view of part A in

[0022] Figure 5 is Figure 2 the enlarged view of part B in

[0023] In the figure: 1. High-pressure syringe; 2. Syringe barrel; 3. Piston head; 4. High-pressure injection motor; 5. Push rod; 6. Clamping seat; 7. Control board; 8. First lead screw; 9. Driving gear; 10. First bevel gear; 11. Second bevel gear; 12. Driving plate; 13. First spring; 14. Plug rod; 15. Second spring; 16. Telescopic rod; 17. Second lead screw; 18. Adjusting knob; 19. Limit groove; 20. Limit seat; 21. Rotating gear; 22. Rotating rod; 23. Worm gear; 24. Control gear; 25. Worm; 26. Third rack. Detailed implementation manners

[0024] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present invention. In the following detailed description, for the sake of explanation, many specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present invention. However, obviously, one or more embodiments can also be implemented without these specific details. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily obscuring the concepts of the present invention.

[0025] Refer to Figures 1-5, An upgradable high-pressure syringe device, comprising a high-pressure syringe 1, a syringe barrel 2, a piston head 3, a high-pressure injection motor 4 and a push rod 5. A connection groove is opened at the bottom of the high-pressure syringe 1, the syringe barrel 2 is installed in the connection groove, the piston head 3 is arranged in the syringe barrel 2, the high-pressure injection motor 4 is fixedly installed in the high-pressure syringe 1, the push rod 5 is fixedly installed on the output shaft of the high-pressure injection motor 4, one end of the push rod 5 is connected to the piston head 3. Mounting grooves are opened on both inner walls of the connection groove, clamping seats 6 are slidably installed in both mounting grooves, anti-slip pads are fixedly installed on one side of the two clamping seats 6 close to each other, both anti-slip pads are in contact with the syringe barrel 2, control boards 7 are fixedly installed on one side of the two clamping seats 6, control grooves are opened on the inner walls of the two mounting grooves, the control boards 7 are slidably installed in the corresponding control grooves, threaded holes are opened on one side of the two control boards 7, lead screws 8 are rotatably installed on one side inner walls of the two control grooves, the lead screws 8 are threadedly installed in the corresponding threaded holes. Two fixing grooves are opened on one side inner wall of the connection groove, drive plates 12 are slidably installed in both fixing grooves, both drive plates 12 are in contact with one end of the syringe barrel 2, a first spring 13 is fixedly installed on one side of the two drive plates 12, one end of the first spring 13 is fixedly installed on the inner wall of the corresponding fixing groove, racks are fixedly installed on one side of the two drive plates 12, grooves are opened on one side inner walls of the two fixing grooves, drive gears 9 are rotatably installed on the inner walls of the two grooves, the drive gears 9 are engaged with the racks, bevel gears 10 are fixedly installed on one side of the two drive gears 9, bevel gears 11 are fixedly installed on one end of the two lead screws 8, the bevel gears 11 are engaged with the corresponding bevel gears 10. An assembly groove is opened at one end of the piston head 3, one end of the push rod 5 is installed in the assembly groove, limiting grooves 19 are opened on both inner walls of the assembly groove, two drive grooves are opened on the push rod 5, limiting seats 20 are slidably installed on the inner walls of the two drive grooves, racks are fixedly installed on the two limiting seats 20, rotating rods 22 are rotatably installed on the inner walls of the two assembly grooves, rotating gears 21 are fixedly installed on one end of the two rotating rods 22, the rotating gears 21 are engaged with the corresponding racks. Two rotating grooves are opened on the push rod 5, control gears 24 are rotatably installed on the inner walls of the two rotating grooves, a telescopic hole is opened on the inner wall of the connection groove, the push rod 5 is arranged in the telescopic hole, two racks 26 are fixedly installed on the inner wall of the telescopic hole, the racks 26 are engaged with the corresponding control gears 24, worms 25 are fixedly installed on one side of the two control gears 24, worm wheels 23 are fixedly installed on one end of the two rotating rods 22, the worm wheels 23 are engaged with the corresponding worms 25.

[0026] In this embodiment, a telescopic groove is formed on one side of the driving plate 12. A plug rod 14 is slidably installed in the telescopic groove. One end of the plug rod 14 is fixedly installed with a second spring 15. One end of the second spring 15 is fixedly installed on the inner wall of the telescopic groove. A slot is formed on the inner wall of the fixed groove. The plug rod 14 is installed in the slot. An extension groove is formed on one side inner wall of the slot. A telescopic rod 16 is slidably installed on the inner wall of the extension groove. One end of the telescopic rod 16 is in contact with the plug rod 14. A threaded groove is formed at the other end of the telescopic rod 16. A second lead screw 17 is threadedly installed in the threaded groove. One end of the second lead screw 17 is fixedly installed with an adjustment knob 18. The adjustment knob 18 is rotatably installed on one side of the high-pressure syringe 1.

[0027] In this embodiment, the syringe barrel 2 is installed into the connection groove and the two driving plates 12 are squeezed. The driving plates 12 squeeze the corresponding first springs 13. The driving plates 12 drive the first racks to move. The first racks drive the corresponding driving gears 9 to rotate. The driving gears 9 drive the corresponding first bevel gears 10 to rotate. The first bevel gears 10 drive the corresponding second bevel gears 11 and the first lead screws 8 to rotate. The first lead screws 8 drive the corresponding control plates 7 to move. The control plates 7 drive the corresponding clamping seats 6 to move. The two clamping seats 6 can clamp and limit the syringe barrel 2. At the same time, the driving plates 12 drive the plug rods 14 to move and insert into the slots under the drive of the second springs 15, which can further stabilize the position of the syringe barrel 2. Meanwhile, the push rod 5 enters the assembly groove on the piston head 3. When the high-pressure injection motor 4 drives the push rod 5 to move, the push rod 5 drives the control gear 24 to move. The control gear 24 meshes and rotates on the third rack 26. The control gear 24 drives the worm 25 to rotate. The worm 25 drives the worm gear 23 and the rotating rod 22 to rotate. The rotating rod 22 drives the rotating gear 21 to rotate. The rotating gear 21 drives the second rack and the limiting seat 20 to move. The limiting seat 20 slides into the limiting groove 19 to stabilize the positions of the piston head 3 and the push rod 5.

[0028] The technological progress obtained by the present invention compared with the prior art is that the high-pressure syringe of the present invention can be matched with different syringe barrels, the connection efficiency between the syringe barrel and the high-pressure syringe is relatively high, its configuration can be flexibly upgraded, and the compatibility and use efficiency of the high-pressure syringe are relatively high.

Claims

1. An upgradable high-pressure syringe device, characterized in that, it includes a high-pressure syringe (1), a syringe barrel (2), a piston head (3), a high-pressure injection motor (4), a push rod (5), a connection assembly and a limit assembly. A connection groove is opened at the bottom of the high-pressure syringe (1), the syringe barrel (2) is installed in the connection groove, the piston head (3) is arranged in the syringe barrel (2), the high-pressure injection motor (4) is fixedly installed in the high-pressure syringe (1), the push rod (5) is fixedly installed on the output shaft of the high-pressure injection motor (4), one end of the push rod (5) is connected to the piston head (3), the connection assembly is arranged on the push rod (5), the connection assembly is connected to the piston head (3), the limit assembly is arranged on the high-pressure syringe (1), the limit assembly is connected to the syringe barrel (2), the limit assembly includes two clamping seats (6) and two control plates (7), mounting grooves are opened on both inner walls of the connection groove, clamping seats (6) are slidably installed in the two mounting grooves, one side of the two clamping seats (6) close to each other is in contact with the syringe barrel (2), control plates (7) are fixedly installed on one side of the two clamping seats (6), control grooves are opened on the inner walls of the two mounting grooves, the control plates (7) are slidably installed in the corresponding control grooves, threaded holes are opened on one side of the two control plates (7), lead screws one (8) are rotatably installed on one side inner walls of the two control grooves, the lead screws one (8) are threadedly installed in the corresponding threaded holes, two fixing grooves are opened on one side inner wall of the connection groove, drive plates (12) are slidably installed in the two fixing grooves, both drive plates (12) are in contact with one end of the syringe barrel (2), racks one are fixedly installed on one side of the two drive plates (12), grooves are opened on one side inner walls of the two fixing grooves, drive gears (9) are rotatably installed on the inner walls of the two grooves, the drive gears (9) are meshed with the racks one, bevel gears one (10) are fixedly installed on one side of the two drive gears (9), bevel gears two (11) are fixedly installed on one end of the two lead screws one (8), and the bevel gears two (11) are meshed with the corresponding bevel gears one (10).

2. The upgradable high-pressure syringe device according to claim 1, characterized in that, the connection assembly includes two limit seats (20), an assembly groove is opened at one end of the piston head (3), one end of the push rod (5) is installed in the assembly groove, and limit grooves (19) are opened on both inner walls of the assembly groove.

3. The upgradable high-pressure syringe device according to claim 2, characterized in that, two drive grooves are opened on the push rod (5), limit seats (20) are slidably installed on the inner walls of the two drive grooves, racks two are fixedly installed on the two limit seats (20), rotating rods (22) are rotatably installed on the inner walls of the two assembly grooves, rotating gears (21) are fixedly installed on one end of the two rotating rods (22), and the rotating gears (21) are meshed with the corresponding racks two.

4. The upgradable high-pressure syringe device according to claim 3, It is characterized in that Two rotating grooves are formed in the push rod (5), control gears (24) are rotatably installed on the inner walls of the two rotating grooves, a telescopic hole is formed in the inner wall of the connecting groove, the push rod (5) is arranged in the telescopic hole, two racks three (26) are fixedly installed on the inner wall of the telescopic hole, the rack three (26) is meshed with the corresponding control gear (24), worms (25) are fixedly installed on one side of the two control gears (24), worm wheels (23) are fixedly installed on one ends of the two rotating rods (22), and the worm wheel (23) is meshed with the corresponding worm (25).

5. The upgradable high-pressure syringe device according to claim 1, It is characterized in that A telescopic groove is formed in one side of the driving plate (12), a plug rod (14) is slidably installed in the telescopic groove, a spring two (15) is fixedly installed at one end of the plug rod (14), one end of the spring two (15) is fixedly installed on the inner wall of the telescopic groove, a slot is formed in the inner wall of the fixed groove, and the plug rod (14) is installed in the slot.

6. The upgradable high-pressure syringe device according to claim 5, It is characterized in that An extension groove is formed in one inner wall of the slot, a telescopic rod (16) is slidably installed in the inner wall of the extension groove, one end of the telescopic rod (16) is in contact with the plug rod (14), a threaded groove is formed in the other end of the telescopic rod (16), a lead screw two (17) is threadedly installed in the threaded groove, an adjusting knob (18) is fixedly installed at one end of the lead screw two (17), and the adjusting knob (18) is rotatably installed on one side of the high-pressure syringe (1).

7. The upgradable high-pressure syringe device according to claim 1, It is characterized in that Spring one (13) is fixedly installed on one side of each of the two driving plates (12), and one end of the spring one (13) is fixedly installed on the inner wall of the corresponding fixed groove.

8. The upgradable high-pressure syringe device according to claim 1, It is characterized in that Anti-slip pads are fixedly installed on one sides of the two clamping seats (6) close to each other, and both anti-slip pads are in contact with the syringe barrel (2).

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