Anti-falling injector

Abstract

The utility model relates to the technical field of injectors, and discloses an anti-falling injector, which comprises a medicine tube arranged in the middle of the injector, and a fixing structure arranged at one end of the injector, the fixing structure comprises a fixing rod, a screw rod, a rotating block, moving blocks and a clamp, the moving blocks are respectively arranged at two ends of the screw rod, and the clamp is arranged on the rotating block. The two moving blocks are both in threaded connection with the lead screw, the wall face of the middle of the lead screw is rotationally connected with the rotating block, one side of each moving block is provided with a clamp, one end of the fixed rod is fixedly connected with the wall face of the medicine tube, and the other end of the fixed rod is fixedly connected with the wall face of the rotating block. The fixing structure drives the two connecting rods and the two clamps to be close to each other, the two clamps clamp the bottom of the needle head and fix the needle head and the medicine tube, the fixing mode that the two clamps are driven by the lead screw is more stable, the needle head is not prone to falling off, the positioning structure is arranged above the fixing structure, the positioning structure comprises a positioning block and an injection structure, and the injection structure is arranged below the medicine tube.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of syringe, concretely relates to a syringe of preventing falling. BACKGROUND

[0002] A kind of syringe of preventing falling is a tool specially injecting medicine into human body, syringe is composed of empty cylinder and piston two parts, cylinder wall has the scale of marking liquid amount, syringe is very commonly used in medical field.

[0003] Prior art discloses a kind of safety syringe (CN202222880068.6) with anti-falling structure, including needle cylinder and needle, the inside of needle cylinder is slidably connected with piston rod, one end of needle cylinder is fixedly connected with connecting pipe in middle part, one end of needle is fixedly connected with sleeve, the outside of the end of sleeve away from needle is fixedly connected with connecting ring, the end of the sleeve inner cavity close to needle is provided with sealing washer, the inside of sealing washer is provided with annular cavity, the end of piston rod away from needle cylinder is fixedly connected with push block, the both sides of needle cylinder close to connecting pipe one end are fixedly connected with fixed block.

[0004] Prior art fixes connecting ring by pushing limit rod to move on fixed block, needle needs to be quickly inserted into skin during injection process, limit rod is easily loosened in process, the mode that limit rod fixes connecting ring is not stable, secondly, skin needs to be disinfected during injection process, then needle is inserted into disinfected skin, but doctor with poor technology can insert needle in wrong position.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] To solve the technical problems of the mode that limit rod fixes connecting ring is not stable and inserts needle in wrong position, the basic concept of technical scheme of the utility model is: a kind of syringe of preventing falling, including

[0007] The medicine pipe is arranged in the middle part of syringe;

[0008] The fixed structure is arranged at one end of syringe, and the fixed structure includes fixed rod, screw rod, rotating block, moving block and clamp, one moving block is arranged at each end of screw rod, and the two moving blocks are all screw-connected with screw rod, the middle wall surface of screw rod is rotationally connected with rotating block, one clamp is arranged on the side of each of the two moving blocks, one end of fixed rod is fixedly connected with the wall surface of medicine pipe, and the other end of fixed rod is fixedly connected with the wall surface of rotating block;

[0009] The positioning structure is arranged above fixed structure, and the positioning structure includes positioning block;

[0010] The injection structure is arranged below medicine pipe.

[0011] As a preferred embodiment of the utility model, the fixed structure further comprises connecting rods, one end of each of the two connecting rods is fixedly connected with one side of one of the two clamps, the shape of the connecting rod is L-shaped, and the overall shape of the two clamps is a circular ring.

[0012] As a preferred embodiment of the utility model, the fixed structure further comprises limiting blocks, and one end of the lead screw is fixedly connected with one of the limiting blocks; one side of one of the limiting blocks is fixedly provided with a handle.

[0013] As a preferred embodiment of the utility model, the positioning structure further comprises supporting rods and sliding rods, one end of each of the two supporting rods is fixedly connected with the top surface of one of the two clamps, the sliding rod is in sliding connection with one of the supporting rods, and the top surface of each of the two sliding rods is fixedly connected with the bottom surface of one of the positioning blocks.

[0014] As a preferred embodiment of the utility model, the positioning structure further comprises needle grooves, one of the needle grooves is formed in the top surface of each of the positioning blocks, and the overall shape of the two needle grooves is a circle.

[0015] As a preferred embodiment of the utility model, the injection structure comprises a pusher and a connecting pipe, the inside of the medicine pipe is hollow, the pusher is in sliding connection with the cavity of the medicine pipe, one end of the connecting pipe is fixedly connected with the medicine pipe and communicates with the medicine pipe, a needle head is arranged above the connecting pipe, and the needle head can be sleeved with the connecting pipe.

[0016] As a preferred embodiment of the utility model, the injection structure further comprises clamp blocks, and one side of each of the clamp blocks is fixedly connected with the wall surface of one end of the medicine pipe.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The two are close to each other, the two drive the two connecting rods and the two clamps close to each other, the two clamps clamp the bottom of the needle head, and the medicine pipe is fixed, the fixed mode of the two clamps driven by the lead screw is more stable, and the needle head is not easy to fall off.

[0019] 2. After the two positioning blocks are combined, the two needle grooves are combined into a circle, the circle is aligned with the skin that has been disinfected, the medicine pipe is pressed, the medicine pipe drives the needle head to pierce the skin through the needle groove, the two sliding rods slide in the two supporting rods, the needle groove effectively drives the needle head to pierce the specified position, and the needle experience is suitable for use.

[0020] The specific embodiments of the utility model will be further described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the fixing structure of this utility model;

[0024] Figure 3 This is a partial schematic diagram of the fixing structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the positioning structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the injection structure of this utility model.

[0027] In the diagram: 1. Medicine tube; 2. Propeller; 3. Clamping block; 4. Fixing rod; 5. Lead screw; 6. Rotating block; 7. Moving block; 8. Limiting block; 9. Handle; 10. Connecting rod; 11. Clamp; 12. Support rod; 13. Sliding rod; 14. Positioning block; 15. Needle groove; 16. Connecting tube; 17. Needle. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0029] A type of syringe designed to prevent detachment, such as Figure 1 , Figure 2 and Figure 3 As shown, the syringe tube 1 is located in the middle of the syringe. A fixing structure is located at one end of the syringe. The fixing structure includes a fixing rod 4, a lead screw 5, a rotating block 6, a moving block 7, and a clamp 11. A moving block 7 is provided at each end of the lead screw 5, and both moving blocks 7 are threadedly connected to the lead screw 5. The middle wall of the lead screw 5 is rotatably connected to the rotating block 6. A clamp 11 is provided on one side of each of the two moving blocks 7. One end of the fixing rod 4 is fixedly connected to the wall of the syringe tube 1, and the other end of the fixing rod 4 is fixedly connected to the wall of the rotating block 6. The fixing structure also includes a connecting rod 10. One side of each of the two moving blocks 7 is fixedly connected to one end of a connecting rod 10, and one end of each of the two connecting rods 10 is fixedly connected to one side of a clamp 11. The connecting rod 10 is L-shaped, and the overall shape of the two clamps 11 is annular. The fixing structure also includes a limiting block 8. Each end of the lead screw 5 is fixedly connected to a limiting block 8, and a handle 9 is fixedly provided on one side of each limiting block 8.

[0030] Rotating handle 9, handle 9 drive limit block 8 and screw rod 5 rotation, screw rod 5 both ends are positive and negative silk, the middle part is smooth wall, screw rod 5 drive two 7 move, two 7 close to each other, two 7 drive two connecting rod 10 and two clamps 11 close to each other, two clamps 11 will the bottom of the needle 17 clamped, with the drug pipe 1 is fixed, through the screw rod 5 drive two clamps 11 fixed mode is more stable, needle 17 is not easy to fall off.

[0031] A kind of anti-drop syringe, as shown in Figure 1 And Figure 4 Positioning structure is arranged above the fixed structure, the positioning structure includes positioning block 14, the positioning structure further includes support rod 12 and sliding rod 13, the top surface of two clamps 11 is respectively fixedly connected with one end of one support rod 12, the sliding rod 13 has two and is respectively slidably connected with one support rod 12, the top surface of two sliding rods 13 is respectively fixedly connected with the bottom surface of one positioning block 14, the positioning structure further includes needle slot 15, one needle slot 15 is respectively arranged on the top surface of each positioning block 14, and the overall shape formed by two needle slots 15 is circular.

[0032] In the process of merging two clamps 11, two clamps drive two support rods 12, two sliding rods 13 and two positioning blocks 14 close, after two positioning blocks 14 merge, two needle slots 15 merge into a circle, align the circle with the skin that has been sterilized, press the drug pipe 1, the drug pipe 1 drive needle 17 through needle slot 15 into the skin, two sliding rods 13 slide in two support rods 12, needle slot 15 effectively drive needle 17 into the designated position, and it is not easy to be biased.

[0033] A kind of anti-drop syringe, as shown in Figure 1 And Figure 5 Injection structure, injection structure is arranged below the drug pipe 1, injection structure includes pusher 2 and connector 16, the inside of drug pipe 1 is hollow, pusher 2 is slidably connected with the cavity of drug pipe 1, one end of connector 16 is fixedly connected with drug pipe 1 and is communicated, needle 17 is arranged above connector 16, needle 17 can be sleeved with connector 16, injection structure further includes clamp block 3, one end wall surface of drug pipe 1 is fixedly connected with one side of one clamp block 3.

[0034] Reverse direction rotates handle 9, make two clamps 11 and two locating blocks 14 separate, can replace needle 17 or extract medicine, push propeller 2 can inject medicine, the working principle of the utility model: rotate handle 9, handle 9 drives limit block 8 and screw rod 5 rotation, and the both ends of screw rod 5 are positive and negative silk respectively, and the middle part is smooth wall surface, screw rod 5 drives two 7 to move, two 7 are close to each other, two 7 drive two connecting rods 10 and two clamps 11 close to each other, two clamps 11 clamp the bottom of needle 17, and with the fixed medicine pipe 1, the fixed mode of two clamps 11 driven by screw rod 5 is more stable, and needle 17 is not easy to fall off, in the process of two clamps 11 merging, two clamps drive two support rods 12, two sliding rods 13 and two locating blocks 14 to close, two locating blocks 14 merge after, two needle grooves 15 merge into a circle, align the circle with the skin that has been sterilized, press medicine pipe 1, medicine pipe 1 drives needle 17 to enter the skin through needle groove 15, two sliding rods 13 slide in two support rods 12, needle groove 15 effectively drives needle 17 to enter the specified position, and will not be biased, and whether there is needle experience is suitable for use, reverse direction rotates handle 9, make two clamps 11 and two locating blocks 14 separate, can replace needle 17 or extract medicine, push propeller 2 can inject medicine.

[0035] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A fall-preventing syringe, characterized by comprising: The utility model provides a kind of injection device, including Medicine pipe (1) is arranged in the middle of injector; Fixed structure is arranged in one end of injector, and fixed structure includes fixed rod (4), screw rod (5), rotating block (6), moving block (7) and clamp (11), and one moving block (7) is arranged in the two ends of screw rod (5) respectively, and two moving blocks (7) are all connected with screw rod (5) threadedly, and the middle wall surface of screw rod (5) is connected with rotating block (6) rotationally, one clamp (11) is arranged in the side of two moving blocks (7) respectively, and one end of fixed rod (4) is fixedly connected with the wall surface of medicine pipe (1), and the other end of fixed rod (4) is fixedly connected with the wall surface of rotating block (6); Positioning structure is arranged above fixed structure, and positioning structure includes positioning block (14); Injection structure is arranged below medicine pipe (1).

2. The anti-dislodgement syringe of claim 1, wherein, The fixed structure further includes connecting rod (10), one end of two connecting rods (10) is fixedly connected with one side of one clamp (11) respectively, and the shape of connecting rod (10) is L-shaped, and the overall shape of two clamps (11) is circular ring.

3. The anti-dislodgement syringe of claim 2, wherein, The fixed structure further includes limit block (8), and one limit block (8) is fixedly connected with the two ends of screw rod (5) respectively, and one limit block (8) is fixedly connected with the two ends of screw rod (5) respectively.

4. The anti-dislodgement syringe of claim 3, wherein, The positioning structure further includes support rod (12) and sliding rod (13), and one end of two clamps (11) is fixedly connected with one support rod (12) respectively, and sliding rod (13) is slidably connected with one support rod (12) respectively, and the top surface of two sliding rods (13) is fixedly connected with the bottom surface of one positioning block (14) respectively.

5. The anti-dislodgement syringe of claim 4, wherein, The positioning structure further includes needle slot (15), and one needle slot (15) is arranged in the top surface of each positioning block (14), and the overall shape of two needle slots (15) is circular.

6. The anti-dislodgement syringe of claim 1, wherein, The injection structure includes propeller (2) and connecting pipe (16), the inside of medicine pipe (1) is hollow, propeller (2) is slidably connected with the cavity of medicine pipe (1), one end of connecting pipe (16) is fixedly connected with medicine pipe (1) and is communicated, needle head (17) is arranged above connecting pipe (16), and needle head (17) can be sleeved with connecting pipe (16).

7. A non-dropping syringe according to claim 6, wherein The injection structure further includes clamp block (3), and one end of medicine pipe (1) is fixedly connected with one side of one clamp block (3).

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