CN219721542U - Integrated young needle tip injector structure - Google Patents

Integrated young needle tip injector structure Download PDF

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Publication number
CN219721542U
CN219721542U CN202321137090.XU CN202321137090U CN219721542U CN 219721542 U CN219721542 U CN 219721542U CN 202321137090 U CN202321137090 U CN 202321137090U CN 219721542 U CN219721542 U CN 219721542U
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China
Prior art keywords
curved surface
outer curved
main body
body sleeve
tip
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CN202321137090.XU
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Chinese (zh)
Inventor
邵伟锋
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Jiangyin Jinfeng Medical Equipment Co ltd
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Jiangyin Jinfeng Medical Equipment Co ltd
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Abstract

The utility model discloses an integrated young needle tip injector structure, which comprises a main body sleeve, wherein the middle part of the lower top end of the main body sleeve is fixedly provided with a young needle tip in a penetrating manner, the inner wall of the main body sleeve is movably connected with a piston in a fitting manner, the middle part of the upper end surface of the piston is fixedly provided with a push rod, the peripheral surface of the upper top part of the main body sleeve is fixedly connected with a supporting ring, the middle part of the supporting ring is provided with a pin hole in a penetrating manner, the inner wall of the pin hole is inserted with a pin rod, the front top end of the pin rod is fixedly connected with a first limiting block, the outer curved surface of the rear end of the pin rod is sheathed with a second limiting block, the outer curved surface of the rear end of the pin rod is in threaded connection with a locking ring, the outer curved surface of the front end and the rear end of the main body sleeve is fixedly connected with a limiting straight sliding table, the outer end of the limiting straight sliding table is sheathed with a protective cylinder, and the outer curved surface of the lower top end of the main body sleeve is fixedly connected with a spring. The utility model realizes the protection function when the young needle tip moves downwards for injection.

Description

Integrated young needle tip injector structure
Technical Field
The utility model relates to the technical field of syringes, in particular to an integrated young and fine needle point syringe structure.
Background
The injector is a common medical appliance and consists of a needle cylinder with a small hole at the front end and a piston core rod matched with the needle cylinder. Syringes are used to inject small amounts of liquid or to draw it into areas that are otherwise inaccessible or from those places. When the core rod is pulled out, liquid or gas is sucked from the small hole at the front end of the needle cylinder, when the core rod is pushed in, the liquid or gas is extruded, and the process of extracting or injecting the gas or the liquid by using the injector and the needle is called injection; in which diabetics often use a syringe having a slim needle tip structure in order to reduce the trauma caused by the syringe needle because of the long-term need for quantitative insulin injection.
However, in the prior art, when the injector with the small needle point structure is used for injection, the small needle point part of the injector is lack of a protective structure, and when the small needle point part of the injector is lack of the protective structure, the situation that the small needle point part is bent or polluted due to the influence of external force is easily caused in the injection process of the injector, so that the small needle point injector has a certain limitation in use.
Disclosure of Invention
The utility model aims to provide an integrated fine needle point syringe structure, which aims to solve the problems that when a syringe with a fine needle point structure is used for injection, a fine needle point part of the syringe is lack of a protective structure, and when the fine needle point part of the syringe is lack of the protective structure, the condition that the fine needle point part is bent or polluted due to the influence of external force is easily caused in the injection process of the syringe, so that the fine needle point syringe has a certain limitation in use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: including the main part sleeve, top middle part runs through fixed mounting under the main part sleeve is provided with young thin needle point, main part sleeve inner wall laminating swing joint has the piston, piston up end middle part fixed mounting is provided with the push rod, top global fixedly connected with supporting ring on the main part sleeve, the pinhole has been run through in the supporting ring middle part, peg graft in the pinhole inner wall has the round pin pole, top fixedly connected with first stopper before the round pin pole, the outer curved surface of round pin pole rear end has cup jointed the second stopper, the outer curved surface threaded connection of round pin pole rear end has the locking ring, the outer curved surface fixedly connected with is spacing straight slip table around the main part sleeve, spacing straight slip table outer end has slidingly cup jointed the protective cylinder, top outer curved surface fixedly connected with spring under the main part sleeve, the injection mouth has been seted up in the bottom surface under the protective cylinder, the sealing plug has been cup jointed to the injection mouth inner wall.
Preferably, the main pushing handle is fixedly connected outside the upper end of the main body sleeve, and the outer curved surface of the side end of the main body sleeve is provided with scale marks.
Preferably, the young needle tip is formed by a young needle member with a diameter of about 0.2 mm, and the pin hole penetrates through the middle of the lower end of the push rod.
Preferably, the outer curved surface of the rear side of the first limiting block is attached to the outer curved surface of the front end of the supporting ring in a movable mode, the outer curved surface of the front end of the second limiting block is attached to the outer curved surface of the rear end of the supporting ring in a movable mode, and the outer curved surface of the rear end of the pin rod starts to be provided with external threads.
Preferably, the number of the limiting straight sliding tables is two, and the limiting straight sliding tables are symmetrically distributed by the outer curved surfaces at the front end and the rear end of the main body sleeve respectively.
Preferably, the circumference of the lower bottom of the protective cylinder starts to have anti-skid stripes, and the lower top end of the spring is fixedly connected with the inner circumference of the protective cylinder.
Preferably, the main body sleeve and the protective cylinder are both transparent members, and injection liquid is filled in the main body sleeve, so that the main body sleeve and the protective cylinder form an integrated injector, and the injection liquid does not need to be extracted independently.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the pin rod inserted into the inner wall of the pin hole can be kept locked and fixed through the locking ring in threaded connection with the outer curved surface at the rear end of the pin rod, when the pin rod is kept and fixed, the possibility that the push rod fixedly arranged in the middle of the upper end surface of the piston is pushed forward by accident to cause injection liquid filled in the main body sleeve to be pushed forward can be played, meanwhile, the protection cylinder in sliding sleeve connection with the outer end of the limiting straight sliding table can play a role in protecting the middle part of the lower top end of the main body sleeve through the thin needle point fixedly arranged in penetrating manner, and the sealing plug in sleeve connection with the inner wall of the injection port can play a role in protecting the injection port arranged in the lower bottom surface of the protection cylinder;
2. the utility model also discloses a device for preventing the needle tip from being polluted by the needle tip, which comprises a locking ring, a locking sleeve, a pin rod, a push rod, a sealing plug, a protective barrel, a limiting straight sliding table, a limiting spring, a limiting needle tip and a needle tip.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of an integrated tip injector;
FIG. 2 is a schematic diagram showing the overall structure of an integrated tip injector;
FIG. 3 is a schematic cross-sectional view of the whole structure of an integrated tip injector.
In the figure: 1. a main body sleeve; 2. a young thin needle tip; 3. a piston; 4. a push rod; 5. a support ring; 6. a pin hole; 7. a pin rod; 8. a first limiting block; 9. a second limiting block; 10. a locking ring; 11. limiting straight sliding table; 12. a protective cylinder; 13. a spring; 14. an injection port; 15. and (5) sealing plugs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: comprises a main body sleeve 1, a main pushing handle is adhered outside the upper end of the main body sleeve 1, a scale mark is arranged on the outer curved surface of the side end of the main body sleeve 1, a young needle tip 2 is fixedly installed in the middle of the lower top end of the main body sleeve 1 in a penetrating way, the young needle tip 2 is formed by a young needle head component with the diameter of about 0.2 mm, the inner wall of the main body sleeve 1 is movably connected with a piston 3 in a jointing way, a push rod 4 is fixedly installed in the middle of the upper end surface of the piston 3, a supporting ring 5 is adhered on the peripheral surface of the upper top of the main body sleeve 1, a pin hole 6 is arranged in the middle of the supporting ring 5 in a penetrating way, the pin hole 6 penetrates through the middle of the lower end of the push rod 4 at the same time, a pin rod 7 is inserted into the inner wall of the pin hole 6, a first limiting block 8 is adhered on the front top end of the pin 7, the rear outer curved surface of the first limiting block 8 is movably connected with the outer curved surface of the front end of the supporting ring 5 in a jointing way, the rear end of the pin 7 is sheathed with a second limiting block 9, the outer curved surface at the front end of the second limiting block 9 is attached and movably connected to the outer curved surface at the rear end of the supporting ring 5, the outer curved surface at the rear end of the pin rod 7 is provided with an outer thread, the outer curved surface at the rear end of the pin rod 7 is in threaded connection with the locking ring 10, the outer curved surfaces at the front end and the rear end of the main body sleeve 1 are adhered with limiting straight sliding tables 11, the two limiting straight sliding tables 11 are symmetrically distributed by the outer curved surfaces at the front end and the rear end of the main body sleeve 1, the outer ends of the limiting straight sliding tables 11 are in sliding sleeve connection with the protective cylinder 12, the lower circumferential surface of the protective cylinder 12 is provided with anti-skid stripes, the outer curved surface at the lower top end of the main body sleeve 1 is adhered with the spring 13, the lower top end of the spring 13 is adhered to the inner circumferential surface of the protective cylinder 12, the lower bottom surface of the protective cylinder 12 is provided with an injection port 14, the inner wall of the injection port 14 is sleeved with the sealing plug 15, the main body sleeve 1 and the protective cylinder 12 are transparent material members, the inside of the main body sleeve 1 is filled with injection liquid so as to become an integrated injector, no separate injection is required.
Working principle: when the injection protection device is used, the pin rod 7 inserted into the inner wall of the pin hole 6 can be kept locked and fixed through the locking ring 10 in threaded connection with the outer curved surface at the rear end of the pin rod 7, when the pin rod 7 is kept fixed, the possibility that the push rod 4 fixedly arranged in the middle of the upper end surface of the piston 3 is pushed forward by accidental pushing to cause injection filled in the main body sleeve 1 can be avoided, meanwhile, the protection cylinder 12 sleeved by the outer end of the limiting straight sliding table 11 in a sliding way can play a role in protecting the young needle point 2 fixedly arranged in the middle of the lower top end of the main body sleeve 1 in a penetrating manner, and the sealing plug 15 sleeved on the inner wall of the injection port 14 can play a role in protecting the injection port 14 formed in the lower bottom surface of the protection cylinder 12;
when injection is needed, dismantle locking ring 10 through rotatory, when locking ring 10 is dismantled, through outwards extracting pin pole 7, when pin pole 7 is pulled out, push rod 4 can use and promote the injection, simultaneously through extracting the sealing plug 15 that cup joints the injection port 14 inner wall, when sealing plug 15 is pulled out, through the injection port 14 of seting up in the bottom surface under with protection section of thick bamboo 12, aim at required injection position, when injection port 14 aims at required injection position, through pushing down main body sleeve 1, when main body sleeve 1 is pushed down, limit straight slip table 11 through main body sleeve 1 front and back end outer curved surface bonding, can play the sharp limiting displacement when main body sleeve 1 moves down, when main body sleeve 1 straight line moves down, spring 13 that main body sleeve 1 lower top outer curved surface bonding can be compressed, when spring 13 is compressed down, can reverse promotion main body sleeve 1 because of the elastic potential energy that self compression deformation produced, thereby when main body sleeve 1 moves down straight line, can drive main body sleeve 1 down the young effect of running through fixed setting of tip of setting of young needle 2 under the time, thereby can be driven, fine needle point 2 is moved down, and when the needle point is prevented from moving down, and the needle point is fine and the needle point is moved down can be prevented and the needle point is moved to the accident is realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an integral type young thin needle point syringe structure, includes main part sleeve (1), its characterized in that: the utility model discloses a sealing plug injection device, including main part sleeve (1), pin hole (6) have been seted up in top middle part, main part sleeve (1) lower top middle part runs through fixed mounting and is provided with young thin needle point (2), main part sleeve (1) inner wall laminating swing joint has piston (3), piston (3) up end middle part fixed mounting is provided with push rod (4), top global fixedly connected with supporting ring (5) on main part sleeve (1), pinhole (6) have been run through in supporting ring (5) middle part, peg graft in pinhole (6) inner wall has round pin pole (7), top fixedly connected with first stopper (8) before round pin pole (7), second stopper (9) have been cup jointed to round pin pole (7) rear end outer curved surface, round pin pole (7) rear end outer curved surface threaded connection has locking ring (10), main part sleeve (1) front and rear end outer curved surface fixedly connected with spacing straight slip table (11), protection section of thick bamboo (12) have been cup jointed in the outer end outer curved surface fixedly connected with spring (13), set up in bottom surface (14) under protection section of thick bamboo (12), injection plug injection hole (14).
2. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: main pushing handles are fixedly connected to the outer surface of the upper end of the main body sleeve (1), and scale marks are arranged on the outer curved surface of the side end of the main body sleeve (1).
3. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: the young needle tip (2) is formed by young needle members with diameters of about 0.2 mm, and the pin hole (6) penetrates through the middle part of the lower end of the push rod (4) at the same time.
4. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: the outer curved surface of first stopper (8) rear side laminating swing joint is at the outer curved surface of supporting ring (5) front end, the outer curved surface laminating swing joint of second stopper (9) front end is at the outer curved surface of supporting ring (5) rear end, the outer curved surface of pin rod (7) rear end begins to have the external screw thread.
5. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: the number of the limiting straight sliding tables (11) is two, and the limiting straight sliding tables are symmetrically distributed through the outer curved surfaces at the front end and the rear end of the main body sleeve (1).
6. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: the lower bottom peripheral surface of the protective cylinder (12) is provided with anti-skid stripes, and the lower top end of the spring (13) is fixedly connected to the inner peripheral surface of the protective cylinder (12).
7. An integrated tip-on-tip syringe structure as defined in claim 1, wherein: the main body sleeve (1) and the protective cylinder (12) are transparent members, and injection liquid is filled in the main body sleeve (1) so that the main body sleeve and the protective cylinder become an integrated injector, and the injection liquid does not need to be extracted independently.
CN202321137090.XU 2023-05-12 2023-05-12 Integrated young needle tip injector structure Active CN219721542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321137090.XU CN219721542U (en) 2023-05-12 2023-05-12 Integrated young needle tip injector structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321137090.XU CN219721542U (en) 2023-05-12 2023-05-12 Integrated young needle tip injector structure

Publications (1)

Publication Number Publication Date
CN219721542U true CN219721542U (en) 2023-09-22

Family

ID=88051260

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321137090.XU Active CN219721542U (en) 2023-05-12 2023-05-12 Integrated young needle tip injector structure

Country Status (1)

Country Link
CN (1) CN219721542U (en)

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