CN219167335U - High-pressure injector with stable injection - Google Patents
High-pressure injector with stable injection Download PDFInfo
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- CN219167335U CN219167335U CN202222143217.0U CN202222143217U CN219167335U CN 219167335 U CN219167335 U CN 219167335U CN 202222143217 U CN202222143217 U CN 202222143217U CN 219167335 U CN219167335 U CN 219167335U
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- push rod
- chuck
- needle cylinder
- syringe
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Abstract
The utility model provides a high-pressure injector with stable injection, which comprises a driving assembly, an injector assembly and a connecting assembly, wherein the driving assembly comprises a driving motor, a screw rod and a machine seat, the injector assembly comprises a push rod and a needle cylinder, the connecting assembly comprises a chuck and a fixing seat, a first installation position is arranged on the chuck, a second installation position is arranged on the fixing seat, a piston is arranged at one end of the push rod and is arranged in the needle cylinder, the other end of the push rod is clamped in the first installation position, one end of the needle cylinder is clamped in the second installation position, the fixing seat comprises a body, a clamping plate and a fixing plate, the second installation position is formed by attaching the body and the clamping plate, and the second installation position is connected through the fixing plate. When the injector component is installed, the fixing plate is loosened firstly, so that the annular clamping ring of the needle cylinder can be easily placed in the second installation position, and meanwhile, the other end of the push rod is clamped in the first installation position to lock the fixing plate and fix the needle cylinder.
Description
Technical Field
The utility model belongs to the technical field of high-pressure injectors, and particularly relates to a high-pressure injector with stable injection.
Background
The high-pressure injector is used as auxiliary equipment in a radiology diagnosis and treatment system, and is gradually applied to clinic along with the technical development of X-rays, a rapid film changer, an image intensifier, an artificial contrast agent and the like. The high-pressure injector has the basic function of injecting enough contrast medium, saline and other liquid into the examination site fast and accurately through percutaneous puncture into blood vessel or through the original channel of human body in certain period, and can perform diagnosis contrast and treatment on the pathological change site.
At present, the same-specification syringe is used on the high-pressure injector, because of different manufacturers, the external dimension of the syringe and the piston are possibly different, the tail end of the syringe is provided with an annular clamping position, the annular clamping position is arranged in the mounting position of the fixing seat during mounting, the size of the mounting position is generally larger than that of the annular clamping position for facilitating the mounting of the syringe, and the syringe can shake during injection.
In view of the above, the present utility model provides a high pressure syringe that reduces rattle of the syringe barrel during injection.
Disclosure of Invention
In order to overcome the above-mentioned problems or some problems, the present utility model provides a high-pressure syringe with stable injection, which solves the drawbacks of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-pressure injector with stable injection, which comprises a driving assembly, an injector assembly and a connecting assembly, wherein the driving assembly comprises a driving motor, a screw rod and a base, the driving motor is connected with the base, the screw rod is connected with an output shaft of the driving motor, the injector assembly comprises a push rod and a needle cylinder, the connecting assembly comprises a chuck and a fixing seat, the chuck is connected with the screw rod, the fixing seat is connected with the base through a connecting rod, a first installation position is arranged on the chuck, a second installation position is arranged on the fixing seat, one end of the push rod is provided with a piston and is arranged in the needle cylinder, the other end of the push rod is clamped in the first installation position, one end of the needle cylinder is clamped in the second installation position, the fixing seat comprises a body, a clamping plate and a fixing plate, and the second installation position is formed by bonding the body and the clamping plate and is connected through the fixing plate.
In some embodiments, the body is provided with a plurality of positioning holes, and the clamping plate is provided with positioning columns matched with the positioning holes.
In some embodiments, a pressure sensor is provided in the chuck, and an end surface of the push rod abuts against the pressure sensor when the push rod advances for injection.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a high-pressure injector with stable injection, which comprises a driving assembly, an injector assembly and a connecting assembly, wherein the driving assembly comprises a driving motor, a screw rod and a base, the driving motor is connected with the base, the screw rod is connected with an output shaft of the driving motor, the injector assembly comprises a push rod and a needle cylinder, the connecting assembly comprises a chuck and a fixing seat, the chuck is connected with the screw rod, the fixing seat is connected with the base through a connecting rod, a first installation position is arranged on the chuck, a second installation position is arranged on the fixing seat, one end of the push rod is provided with a piston and is arranged in the needle cylinder, the other end of the push rod is clamped in the first installation position, one end of the needle cylinder is clamped in the second installation position, the fixing seat comprises a body, a clamping plate and a fixing plate, and the second installation position is formed by jointing the body and the clamping plate and is connected through the fixing plate. By adopting the structure, when the injector component is installed, the fixing plate is firstly loosened, so that the annular clamping ring of the needle cylinder can be easily placed in the second installation position, and meanwhile, the other end of the push rod is clamped in the first installation position to lock the fixing plate so as to fix the needle cylinder.
In addition, the locating holes are formed in the body, and the locating columns are arranged on the clamping plates, so that the locating plate has the advantages of being convenient to attach and locate.
Furthermore, the chuck of the present utility model is provided with a pressure sensor therein to collect the pressure of the syringe during injection.
Drawings
Fig. 1 is a schematic perspective view of one direction of the injection-stable high-pressure syringe of the present utility model.
Fig. 2 is a schematic view showing an exploded structure of the fixing base and the syringe assembly in one direction in the injection-stabilized high pressure syringe of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a.
Fig. 4 is a schematic view showing an exploded structure of the fixing base and the syringe assembly in another direction in the injection-stabilized high pressure syringe of the present utility model.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
Fig. 6 is a schematic perspective view showing a combination of a fixing base and a syringe assembly in the injection-stabilized high pressure syringe according to the present utility model.
Reference numerals in the drawings:
1. a drive assembly; 11. a driving motor; 12. a screw rod; 13. a base;
2. a syringe assembly; 21 a push rod; 22. a needle cylinder;
3. a connection assembly; 31. a chuck; 32. a fixing seat; 321. a body; 3211. positioning holes; 322. a clamping plate; 323. a fixing plate; 3221. positioning columns; 33. a connecting rod; 34. a pressure sensor.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the two components. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model.
As shown in fig. 1 to 6, the utility model provides a high-pressure injector with stable injection, which comprises a driving assembly 1, an injector assembly 2 and a connecting assembly 3, wherein the driving assembly 1 comprises a driving motor 11, a screw rod 12 and a base 13, the driving motor 11 is connected with the base 13, the screw rod 12 is connected with an output shaft of the driving motor 11, the injector assembly 2 comprises a push rod 21 and a needle cylinder 22, the connecting assembly 3 comprises a chuck 31 and a fixed seat 32, the chuck 31 is connected with the screw rod 12, the fixed seat 32 is connected with the base 13 through a connecting rod 33, a first installation position is arranged on the chuck 31, a second installation position is arranged on the fixed seat 32, one end of the push rod 21 is provided with a piston arranged in the needle cylinder 22, the other end of the push rod 21 is clamped in the first installation position, one end of the needle cylinder 22 is clamped in the second installation position, the fixed seat 32 comprises a body 321, a clamping plate 322 and a fixed plate 323, and the second installation position is formed by laminating the body 321 and the clamping plate 322 through the fixed plate 323.
Specifically, referring to fig. 1, the driving assembly 1 is provided with two sets, the injector assembly 2 is also provided with two sets (one set is hidden), the clamping plates 322 in the connecting assembly 3 are two, the body 321 and the fixing plate 323 are shared, when the injector assembly 2 is installed, the fixing plate 323 is firstly loosened, so that the annular clamping ring of the syringe 22 can be easily placed in the second installation position, and meanwhile, the other end of the push rod 21 is clamped in the first installation position to lock the fixing plate 323 and fix the syringe 22.
Preferably, the body 321 is provided with a plurality of positioning holes 3211, the clamping plate 322 is provided with positioning columns 3221 matched with the positioning holes 3211, specifically, when the injector assembly 2 is fixed, the fixing plate 323 is firstly loosened, then the clamping plate 322 is moved to a point in the direction of the driving assembly 1, part of the positioning columns 3221 are still positioned in the positioning holes 3211, the size of the second installation position is slightly larger than that of the annular bulge of the needle cylinder 22, after the annular bulge is clamped in the second installation position, the fixing plate 323 is locked, and the clamping plate 322 is compressed in the direction of the body 321 to fix the needle cylinder 22; has the advantages of convenient lamination and convenient positioning.
Preferably, the chuck 31 is internally provided with a pressure sensor 34, when the push rod 21 is pushed to inject, one end surface of the push rod 21 is abutted against the pressure sensor 34, it is understood that one end of the push rod 21 is provided with a piston, the other end is provided with a push plate, the piston is arranged in the syringe 22, the push plate is clamped in a first mounting position, the size of the first mounting position is larger than that of the first mounting position for facilitating the push plate to be placed in the first mounting position, and when the driving motor 11 drives the chuck 31 to push towards the syringe 22, the push plate is abutted against the pressure sensor 34, so that the pushing pressure of the injection is collected by the pressure sensor 34.
In summary, the high-pressure injector with stable injection provided by the utility model comprises a driving assembly 1, an injector assembly 2 and a connecting assembly 3, wherein the driving assembly 1 comprises a driving motor 11, a screw rod 12 and a base 13, the driving motor 11 is connected with the base 13, the screw rod 12 is connected with an output shaft of the driving motor 11, the injector assembly 2 comprises a push rod 21 and a needle cylinder 22, the connecting assembly 3 comprises a chuck 31 and a fixing seat 32, the chuck 31 is connected with the screw rod 12, the fixing seat 32 is connected with the base 13 through a connecting rod 33, a first installation position is arranged on the chuck 31, a second installation position is arranged on the fixing seat 32, one end of the push rod 21 is provided with a piston arranged in the needle cylinder 22, the other end of the push rod 21 is clamped in the first installation position, one end of the needle cylinder 22 is clamped in the second installation position, the fixing seat 32 comprises a body 321, a clamping plate 322 and a fixing plate 323, and the second installation position is formed by attaching the body 321 and the clamping plate 322 through the fixing plate 323. With the above structure, when the injector assembly 2 is installed, the fixing plate 323 is loosened, so that the annular snap ring of the syringe 22 can be easily placed in the second installation position, and the other end of the push rod 21 is clamped in the first installation position, so that the fixing plate 323 is locked, and the syringe 22 is fixed.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.
Claims (3)
1. An injection stable high pressure syringe, characterized in that: including drive assembly (1), syringe subassembly (2) and coupling assembling (3), drive assembly (1) include driving motor (11), lead screw (12) and frame (13), driving motor (11) with frame (13) are connected, lead screw (12) with driving motor (11)'s output shaft, syringe subassembly (2) include push rod (21) and cylinder (22), coupling assembling (3) include chuck (31) and fixing base (32), chuck (31) with lead screw (12) are connected, fixing base (32) pass through connecting rod (33) with frame (13) are connected, be equipped with first installation position on chuck (31), be equipped with the second installation position on fixing base (32), the one end of push rod (21) is equipped with the piston and establishes in cylinder (22), the other end card of push rod (21) is gone into in the first installation position, the one end card of cylinder (22) is in the second installation position, body (32) include that chuck (321), 321) and second cardboard (323) are formed through fixing plate (323) are connected with fixing plate (323).
2. The injection stable high pressure injector of claim 1, wherein: the body (321) is provided with a plurality of positioning holes (3211), and the clamping plate (322) is provided with positioning columns (3221) matched with the positioning holes (3211).
3. The injection stable high pressure syringe of claim 1 or 2, wherein: a pressure sensor (34) is arranged in the chuck (31), and one end face of the push rod (21) is abutted against the pressure sensor (34) when the push rod (21) is used for pushing injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143217.0U CN219167335U (en) | 2022-08-13 | 2022-08-13 | High-pressure injector with stable injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143217.0U CN219167335U (en) | 2022-08-13 | 2022-08-13 | High-pressure injector with stable injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219167335U true CN219167335U (en) | 2023-06-13 |
Family
ID=86677599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222143217.0U Active CN219167335U (en) | 2022-08-13 | 2022-08-13 | High-pressure injector with stable injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219167335U (en) |
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2022
- 2022-08-13 CN CN202222143217.0U patent/CN219167335U/en active Active
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