CN213347248U - Injection head and high-pressure injector - Google Patents
Injection head and high-pressure injector Download PDFInfo
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- CN213347248U CN213347248U CN202021596376.0U CN202021596376U CN213347248U CN 213347248 U CN213347248 U CN 213347248U CN 202021596376 U CN202021596376 U CN 202021596376U CN 213347248 U CN213347248 U CN 213347248U
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Abstract
The utility model discloses an injection aircraft nose and high pressure syringe. The injection machine head comprises a shell, a syringe seat and a first sealing piece, wherein the shell is provided with an installation position, the syringe is fixed at the installation position, and the syringe seat is used for connecting the syringe; the first sealing element is clamped between the syringe seat and the inner wall surface of the shell, and the first sealing element is used for sealing the installation position. The technical scheme of the utility model aims at improving the waterproof performance of injection aircraft nose, promotes high-pressure syringe's security.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to injection head and high-pressure injector using the same.
Background
High pressure syringes are widely used in clinical screening and therapy for cardiovascular screening, CT-enhanced screening and MR-enhanced screening. The injection machine head is a core component of the high-pressure injector, the injection machine head is provided with a needle cylinder mounting seat and a push rod, when the injection machine head works, the needle cylinder is matched with the needle cylinder mounting seat, and the push rod acts to drive a piston in the needle cylinder to move so as to realize injection operation. Because the syringe and the syringe seat are detachably connected, residual contrast medium in the syringe can pollute the surface of the injector head in the dismounting process of the syringe and the injector head, and therefore, the injector head is always required to be washed by water. In the related art, the injector head has a poor waterproof effect, and often a contrast agent, a cleaning agent and the like permeate into the injector head, which causes a short circuit of an internal circuit of the injector head, a fault of an electric control element and the like, and affects the safety of the high-pressure injector.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an injection aircraft nose aims at improving the waterproof performance of injection aircraft nose, promotes the security of high-pressure syringe.
In order to achieve the above object, the present invention provides an injection machine head, comprising:
the shell is provided with an installation position;
the needle cylinder is fixed on the installation position, and the needle cylinder seat is used for connecting the needle cylinder; and
the first sealing element is clamped between the syringe seat and the inner wall surface of the shell, and the first sealing element is used for sealing the mounting position.
In an embodiment of the present invention, the syringe base is provided with a mounting hole communicating with the mounting position, and the first sealing member surrounds the mounting hole.
In an embodiment of the present invention, the number of the first sealing members is two, and the upper surface and the lower surface of the syringe holder are both provided with the first sealing members.
In an embodiment of the present invention, the upper surface and the lower surface of the syringe base are both provided with mounting grooves, the mounting grooves are disposed around the mounting hole, the first sealing member is accommodated in the mounting groove, and at least a portion of the first sealing member is exposed to the notch of the mounting groove to seal against the inner wall surface of the housing.
In an embodiment of the present invention, the injection head further includes:
the push rod is arranged in the shell in a telescopic mode and can penetrate through the mounting hole to be connected with a piston arranged in the needle cylinder; and
and the second sealing element is clamped between the shell and the syringe seat and is abutted against the side wall of the push rod so as to seal the mounting hole.
In an embodiment of the present invention, the syringe base is provided with a fixing groove, the fixing groove is disposed around the mounting hole and is communicated with the mounting hole, the second sealing member is accommodated in the fixing groove, and at least a portion of the second sealing member is exposed to the notch of the fixing groove to seal with the side wall surface of the push rod.
In an embodiment of the present invention, the housing includes:
the face shell is provided with the mounting position; and
the base, the base with the face-piece can be dismantled and be connected, the base is equipped with lets the position mouth, the syringe barrel holder is located the face-piece with between the base, the push rod passes let the position mouth and stretch into installation position, the second sealing member presss from both sides and locates the syringe barrel holder with between the base.
In an embodiment of the present invention, the housing further includes:
and the sealing pressure plate is clamped between the syringe seat and the base, and the surface of the sealing pressure plate is abutted to the second sealing element and tightly presses the second sealing element.
In an embodiment of the present invention, the first sealing member and the second sealing member are made of rubber or silica gel.
The utility model also provides a high pressure syringe, high pressure syringe include the fixed bolster with the injection aircraft nose, the injection aircraft nose includes:
the shell is provided with an installation position;
the needle cylinder is fixed on the installation position, and the needle cylinder seat is used for connecting the needle cylinder; and
the first sealing element is clamped between the syringe seat and the inner wall surface of the shell, the first sealing element is used for sealing the installation position, and the fixed support is connected with the shell.
The utility model discloses including casing, syringe seat and first sealing member in technical scheme's the injection aircraft nose, wherein, the syringe seat is located in the installation position that the casing formed to, still be equipped with the first sealing member between syringe seat and casing in order to seal the installation position. Because first sealing member is located by pressing from both sides with syringe seat casing between, can seal the fitting gap between syringe seat and the casing to the realization is to the sealed of installation position, prevents that conducting liquid such as cleaner, liquid medicine from entering into the inside of casing via the installation position, and arouses the trouble of the inside electric control element of casing, ensures the normal work of injection syringe, also promotes high pressure syringe's security simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an injection head of the present invention;
FIG. 2 is an exploded view of the injector head of FIG. 1;
FIG. 3 is a top view of the injection head of FIG. 1;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of the portion A in FIG. 4
Fig. 6 is a schematic structural view of the syringe mount of fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
33 | |
| 10 | |
35 | |
| 11 | |
40 | |
| 111 | |
50 | |
| 13 | |
60 | |
| 131 | Let a mouthful | 70 | |
| 30 | |
200 | |
| 31 | Mounting hole |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an injection machine head 100.
Referring to fig. 1 to 5, in an embodiment of the present invention, the injection head 100 includes:
the shell 10 is provided with a mounting position 111;
the needle cylinder 200 is fixed on the mounting position 111, and the needle cylinder seat 30 is used for connecting the needle cylinder 200; and
and a first seal member 40, wherein the first seal member 40 is interposed between the syringe holder 30 and an inner wall surface of the housing 10, and the first seal member 40 is used for sealing the mounting position 111.
The utility model discloses technical scheme's injection head 100 is including casing 10, syringe seat 30 and first sealing member 40, wherein, syringe seat 30 is located in the installation position 111 that casing 10 formed to, still be equipped with between syringe seat 30 and casing 10 first sealing member 40 with sealed installation position 111. When the surface of the injector head 100 is cleaned, the first sealing member 40 is clamped between the first sealing member and the housing 10 of the syringe seat 30, so that the assembly gap between the syringe seat 30 and the housing 10 can be sealed to seal the mounting position 111, and conductive liquid such as cleaning agent, liquid medicine and the like is prevented from entering the housing 10 through the mounting position 111, so that the electric control elements in the housing 10 are prevented from being broken down, the normal operation of the injector head 100 is ensured, and the safety of a high-pressure injector (not shown) is improved.
In the technical solution of the embodiment of the present invention, the inside of the casing 10 of the injection head 100 is further provided with a driving member (not marked), a push rod 50 and other mechanisms, and the driving member is electrically connected with the main control board (not marked). The main control board is provided with a corresponding control circuit and a corresponding power supply circuit. The output end of the driving member is in transmission connection with the push rod 50, the push rod 50 penetrates through the syringe seat 30 to extend into the installation position 111 and is in transmission connection with the piston in the syringe 200 arranged on the installation position 111, and the driving member drives the piston to move through the push rod 50 so as to realize the operations of liquid suction and liquid delivery. The housing 10 provides a carrier for mounting the driving member, the push rod 50, and other mechanisms, and also provides protection for the driving member, the electric control element, the push rod 50, and other mechanisms. The first sealing element 40 may be made of rubber or silicone, which has good deformation performance and is convenient to assemble, and the rubber or silicone may have good deformation performance when being extruded, so as to ensure the sealing effect on the installation position 111 and improve the waterproof performance of the injection head 100. In the technical solution of this embodiment, the inner wall surface and the outer wall surface of the syringe holder 30 are both provided with a buckle, the buckle of the inner wall surface of the syringe holder 30 is used for being connected with the syringe 200, and the buckle of the outer wall surface of the syringe holder 30 is used for being buckled and connected with the face shell 11.
Referring to fig. 2 to 5, in an embodiment of the present invention, the syringe base 30 is provided with a mounting hole 31 communicating with the mounting position 111, and the first sealing member 40 is disposed around the mounting hole 31.
In the technical solution of an embodiment of the present invention, the mounting hole 31 penetrates through two opposite surfaces of the syringe base 30 to facilitate the push rod 50 to pass through the mounting hole 31 and extend into the mounting position 111. The first sealing member 40 is disposed around the mounting hole 31, so that liquid can be effectively prevented from penetrating into the interior of the chassis through the mounting hole 31, and the waterproof effect is effectively improved. It can be understood that the number of the first sealing members 40 may be multiple, and the first sealing members 40 may be disposed on the upper surface of the syringe base 30, may also be disposed on the lower surface of the syringe base 30, and may also be one or more first sealing members 40 disposed on both the upper surface and the lower surface of the syringe base 30, so as to further enhance the sealing effect on the mounting locations 111, effectively prevent liquid from entering the inside of the casing 10, and ensure that the electronic control components inside the casing 10 can normally operate.
Referring to fig. 2 to 6, in an embodiment of the present invention, the upper surface and the lower surface of the syringe base 30 are both provided with mounting grooves 33, the mounting grooves 33 are disposed around the mounting hole 31, the first sealing member 40 is accommodated in the mounting grooves 33, and at least a portion of the first sealing member 40 is exposed to the notch of the mounting grooves 33 for abutting and sealing with the inner wall surface of the housing 10.
The utility model discloses an among the technical scheme of an embodiment, through the concave mounting groove 33 that is formed with of face of just having at syringe seat 30, the setting of mounting groove 33 can be fixed a position by first sealing member 40, prevents to appear walking the position and influence sealed effect at the in-process first sealing member 40 of assembly. In addition, the installation speed of the first sealing element 40 can be increased by arranging the installation groove 33, and the installation efficiency can be improved.
Referring to fig. 2 to 5, in an embodiment of the present invention, the injection head 100 further includes:
the push rod 50 is telescopically arranged in the shell 10, and the push rod 50 can pass through the mounting hole 31 to be connected with a piston arranged in the needle cylinder 200; and
and the second sealing element 60 is clamped between the shell 10 and the syringe seat 30, and the second sealing element 60 is abutted against the side wall of the push rod 50 so as to seal the mounting hole 31.
The utility model discloses an among the technical scheme of an embodiment, second sealing member 60 presss from both sides and locates between casing 10 and syringe seat 30 to with the side wall butt of push rod 50, can prevent at the in-process of the flexible work of push rod 50, the liquid that adheres to the side wall of push rod 50 enters into inside casing 10 along push rod 50, thereby influences the trouble of automatically controlled component in the casing 10. It can be understood that the second sealing element 60 is disposed in an annular structure, and the second sealing element 60 is sleeved on the side wall surface of the push rod 50 and is located at an end of the push rod 50 close to the piston, so as to further improve the waterproof effect of the injection head 100 and improve the safety performance of the injection head 100.
Referring to fig. 2 to 5, in an embodiment of the present invention, the syringe base 30 is provided with a fixing groove 35, the fixing groove 35 is disposed around the mounting hole 31 and is communicated with the mounting hole 31, the second sealing member 60 is accommodated in the fixing groove 35, and at least a portion of the second sealing member 60 is exposed to a notch of the fixing groove 35 for abutting and sealing with a side wall surface of the push rod 50.
The utility model discloses an among the technical scheme of an embodiment, through the fixed slot 35 that sets up and mounting hole 31 intercommunication on the surface at syringe seat 30 for the pore wall of mounting hole 31 is formed with the stair structure. Similarly, the fixing groove 35 functions similarly to prevent the second sealing member 60 from being dislocated during the assembly process to affect the sealing effect. In addition, the installation speed of the second sealing element 60 can be improved by arranging the fixing groove 35, and the installation efficiency can be improved.
Referring to fig. 2 to 5, in an embodiment of the present invention, the housing 10 includes:
the face shell 11 is provided with the mounting position 111; and
the base 13, the base 13 with the face-piece 11 can be dismantled and be connected, the base 13 is equipped with lets a position mouth 131, syringe seat 30 is located the face-piece 11 with between the base 13, push rod 50 passes let a position mouth 131 and stretch into installation position 111, second sealing member 60 press from both sides and locate syringe seat 30 with between the base 13.
The utility model discloses an among the technical scheme of an embodiment, face-piece 11 and base 13 can dismantle the connection through connecting piece realization such as can pass through screws, so, make things convenient for the installation and the fixed of the inside part of casing 10, also make things convenient for the later stage to the maintenance of injection aircraft nose 100 simultaneously. It should be noted that when the number of the first sealing members 40 is one, the first sealing members 40 are interposed between the face shell 11 and the upper surface of the syringe holder 30, when the number of the first sealing members 40 is plural, the first sealing members 40 may be interposed between the face shell 11 and the upper surface of the syringe holder 30, and the first sealing members 40 may be interposed between the base 13 and the lower surface of the syringe holder 30, so as to achieve double protection. Meanwhile, the second sealing element 60 is also arranged between the syringe seat 30 and the base 13, which can effectively prevent liquid from entering the interior of the housing 10 through the relief port 131 on the base 13 to cause the malfunction of the electric control element.
Referring to fig. 2 to 5, in an embodiment of the present invention, the housing 10 further includes:
and the sealing pressing plate 70 is clamped between the syringe seat 30 and the base 13, and the surface of the sealing pressing plate 70 is abutted against the second sealing element 60 and presses the second sealing element 60.
The utility model discloses an among the technical scheme of an embodiment, seal pressing plate 70 is cyclic annular setting, and the side wall face of push pedal is located to seal pressing plate 70 cover, is located between syringe seat 30 and base 13 by the clamp. The sealing pressure plate 70 can press and fix the second sealing element 60 between the sealing pressure plate 70 and the syringe base 30 to prevent the second sealing element 60 from moving along with the push rod 50, and ensure the sealing effect of the second sealing element 60.
The utility model discloses still provide a high pressure syringe, this high pressure syringe include fixed bolster and injection aircraft nose 100, and this injection aircraft nose 100's concrete structure refers to above-mentioned embodiment, because this high pressure syringe has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The injection head 100 comprises a housing 10, a syringe seat 30 and a first sealing element 40, wherein the housing 10 is provided with an installation position 111, the syringe 200 is fixed at the installation position 111, the syringe seat 30 is used for connecting the syringe 200, the first sealing element 40 is clamped between the syringe seat 30 and the inner wall surface of the housing 10, the first sealing element 40 is used for sealing the installation position 111, and the fixed support is connected with the housing 10. Wherein, the fixed bolster and casing 10 fixed connection for the high pressure syringe provides the support, the medical personnel of being convenient for operate.
In some embodiments, an electric cabinet (not shown) and casters (not shown) are disposed at the bottom of the fixing bracket (not shown), the electric cabinet is connected to the injection head 100 by a cable, the electric cabinet is used for providing a power supply for the injection head 100, and the casters are disposed to facilitate movement of the whole high-pressure injector.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An injection head, comprising:
the shell is provided with an installation position;
the needle cylinder is fixed on the installation position, and the needle cylinder seat is used for connecting the needle cylinder; and
the first sealing element is clamped between the syringe seat and the inner wall surface of the shell, and the first sealing element is used for sealing the mounting position.
2. The injector head of claim 1, wherein said syringe mount has a mounting hole communicating with said mounting location, said first seal being disposed around said mounting hole.
3. The injection head of claim 2, wherein said first sealing members are two in number, and are fixed to an upper surface and a lower surface of said syringe holder, respectively.
4. The injection head of claim 3, wherein the syringe mount has mounting grooves on both the upper and lower surfaces thereof, the mounting grooves being disposed around the mounting hole, the first sealing member being received in the mounting grooves, and at least a portion of the first sealing member being exposed to the notches of the mounting grooves for abutting sealing against the inner wall surface of the housing.
5. The injection head of claim 2, wherein the injection head further comprises:
the push rod is arranged in the shell in a telescopic mode and can penetrate through the mounting hole to be connected with a piston arranged in the needle cylinder; and
and the second sealing element is clamped between the shell and the syringe seat and is abutted against the side wall of the push rod so as to seal the mounting hole.
6. The injector head as claimed in claim 5, wherein the syringe holder is provided with a fixing groove disposed around the mounting hole and communicating with the mounting hole, the second sealing member is received in the fixing groove, and at least a portion of the second sealing member is exposed to a notch of the fixing groove for abutting and sealing against a side wall surface of the push rod.
7. The injector head of claim 5, wherein said housing comprises:
the face shell is provided with the mounting position; and
the base, the base with the face-piece can be dismantled and be connected, the base is equipped with lets the position mouth, the syringe barrel holder is located the face-piece with between the base, the push rod passes let the position mouth and stretch into installation position, the second sealing member presss from both sides and locates the syringe barrel holder with between the base.
8. The injector head of claim 7, wherein said housing further comprises:
and the sealing pressure plate is clamped between the syringe seat and the base, and the surface of the sealing pressure plate is abutted to the second sealing element and tightly presses the second sealing element.
9. The injector head of claim 5, wherein said first and second seals are made of rubber or silicone.
10. A high pressure syringe comprising a fixed support and an injector head according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596376.0U CN213347248U (en) | 2020-08-04 | 2020-08-04 | Injection head and high-pressure injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596376.0U CN213347248U (en) | 2020-08-04 | 2020-08-04 | Injection head and high-pressure injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213347248U true CN213347248U (en) | 2021-06-04 |
Family
ID=76143228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021596376.0U Active CN213347248U (en) | 2020-08-04 | 2020-08-04 | Injection head and high-pressure injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213347248U (en) |
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2020
- 2020-08-04 CN CN202021596376.0U patent/CN213347248U/en active Active
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