CN219834922U - Continuous injector with controllable dosage - Google Patents
Continuous injector with controllable dosage Download PDFInfo
- Publication number
- CN219834922U CN219834922U CN202321273367.1U CN202321273367U CN219834922U CN 219834922 U CN219834922 U CN 219834922U CN 202321273367 U CN202321273367 U CN 202321273367U CN 219834922 U CN219834922 U CN 219834922U
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- China
- Prior art keywords
- medicine
- syringe
- injector
- tube
- piston rod
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- 239000003814 drug Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 7
- 238000002347 injection Methods 0.000 abstract description 16
- 239000007924 injection Substances 0.000 abstract description 16
- 241000196324 Embryophyta Species 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 241000208292 Solanaceae Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003450 growing effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a continuous injector with controllable dosage, which comprises a medicine storage tank, an annular plate, a pressing plate, a plurality of guide rods and a plurality of limiting blocks, wherein the side wall of an injector tube is provided with a medicine inlet communicated with the inner cavity of the injector tube, the bottom of the medicine storage tank is provided with a medicine outlet, a liquid adding tube is communicated with the medicine inlet and the medicine outlet, and a one-way valve is arranged on the liquid adding tube; one end of the piston rod, which is close to the tail part of the injector tube, is fixedly connected with the pressing plate; the utility model discloses a continuous injector with controllable dosage, which belongs to the technical field of injectors and can continuously inject medicaments and has the same medicament dosage for each injection.
Description
Technical Field
The utility model relates to a continuous injector with controllable dosage, and belongs to the technical field of injectors.
Background
Tobacco (Nicotianatabacul) is an annual herb of the genus Nicotiana of the family Solanaceae, and has round needle-like shape, oblong shape or oval shape, tapered tip, narrowed base, and no obvious or wing-like petiole.
At present, medicines can be injected into stems and petioles of tobacco plants in the tobacco growing process, so that the growing effect is improved, the liquid medicine is generally dropped through an injector, but the traditional injector needs to be added with the liquid medicine once when in use, so that the injection operation is inconvenient, the time is delayed, the liquid medicine amount is not easy to control, the injected liquid medicine is inconsistent, and the effect of the injected liquid medicine is influenced.
The prior art CN103654997B discloses a continuous injector, which is provided with a second needle head, a large amount of liquid medicine is sucked from a medicine bottle, the front end of the medicine storage injector is connected with a hose after the second needle head is pulled out, then the medicine storage injector is clamped and fixed on a needle cylinder, a handle is held by hand during injection, the first needle head is pricked into a large livestock body, a pushing handle is pushed to inject a certain amount of medicine, after injection is completed, the pushing rod returns under the force of a pressure spring, and at the moment, the medicine storage injector is pushed to push the liquid medicine into the needle cylinder through the hose and a one-way valve for the next injection. However, the amount of the drug solution to be administered each time cannot be precisely controlled.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a continuous injector with controllable dosage, which can continuously inject medicines and has the same medicine dosage in each injection.
The technical scheme for solving the technical problems is as follows: the utility model provides a controllable continuous syringe of dose, includes syringe pipe, syringe needle and piston rod, the syringe needle is installed the front portion of syringe pipe, piston rod sealed sliding connection is in the syringe pipe still includes medicine storage tank, annular plate, push plate, a plurality of guide bars and a plurality of stopper, the medicine inlet of communicating its inner chamber has been seted up to the lateral wall of syringe pipe, medicine outlet has been seted up to medicine storage tank bottom, the liquid feeding pipe intercommunication the medicine inlet with the medicine outlet, install the check valve on the liquid feeding pipe; one end of the piston rod, which is close to the tail part of the injector tube, is fixedly connected with the pressing plate; the annular plate is sleeved and fixed at the tail of the injector tube, a plurality of guide rods are fixed at one side, far away from the needle head, of the annular plate along the sliding direction of the piston rod, a plurality of guide holes are formed in the pressing plate, corresponding to the guide rods, the guide rods are correspondingly connected to the guide holes in a sliding mode, and the limiting blocks are correspondingly locked at one ends, far away from the annular plate, of the guide rods.
The beneficial effects of the utility model are as follows: according to the single drug delivery amount, the position of the limiting block on the guide rod is regulated, the position of the pressing plate is limited so that the piston rod moves the same distance towards the tail of the syringe tube each time, the amount of the liquid medicine entering the inner cavity of the syringe tube in the drug storage tank each time is ensured to be the same, the pressing plate is pushed, the piston rod extrudes the liquid medicine into the needle head, and drug injection is carried out on plants; the liquid adding pipe is provided with a one-way valve, so that when the pressing plate is pushed, the liquid medicine in the syringe pipe is prevented from entering the medicine storage tank; after the injection is completed once, the piston rod is pulled, and when the piston rod opens the medicine inlet, the medicine liquid automatically flows into the syringe tube, so that the medicine can be continuously injected.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, a plurality of guide bars are far away from the external screw thread has been seted up to the one end of annular plate, and a plurality of the screw hole has been seted up to the stopper, the screw hole with the screw thread end spiro union of guide bar is in order to adjust the gliding distance of pressure board.
The beneficial effect of adopting the further scheme is that: according to the dosage, the distance between the limiting block and the annular plate is adjusted to adjust the sliding distance of the pressing plate, the dosage of the medicine sucked into the injector tube each time is controlled to be the same, and the growth of plants is guaranteed.
Further, the medical liquid injection device further comprises a squeezing head used for squeezing the medical liquid to the needle head, wherein the squeezing head is fixed at one end of the piston rod, which is close to the needle head, and is matched with one end of the syringe tube, which is connected with the needle head, in shape.
The beneficial effect of adopting the further scheme is that: the extrusion head can extrude all the liquid medicine in the syringe tube into the needle tube, so that the medicine quantity of the plant input each time is ensured to be the same.
Further, the piston rod and the extrusion head are sleeved with the sealing sleeve, and the sealing sleeve is fixed on the piston rod and the extrusion head in a sleeved mode.
Further, the medicine storage tank further comprises a one-way air inlet valve, a sealing cover is arranged at the tank opening of the medicine storage tank, a through hole is formed in the sealing cover, and the one-way air inlet valve is arranged on the through hole.
The beneficial effect of adopting the further scheme is that: the medicine liquid in the medicine storage tank can only enter the inner cavity of the syringe tube, and the medicine liquid is prevented from being extruded back into the medicine storage tank when the piston rod is extruded.
Further, a handle is fixed on the syringe tube, and a non-slip protrusion for increasing friction force is protruded on the handle.
Drawings
FIG. 1 is a schematic diagram of a continuous syringe with controllable dosage according to the present utility model;
FIG. 2 is a partial cross-sectional view of a controlled dose continuous syringe according to the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
fig. 5 is a schematic view of the structure of a piston rod, an extrusion head and a pressing plate in a continuous syringe with controllable dosage.
In the drawings, the list of components represented by the various numbers is as follows:
1-syringe tube, 2-syringe needle, 3-piston rod, 4-extrusion head, 5-liquid adding tube, 6-medicine storage tank, 7-tank opening, 8-sealing cover, 9-annular plate, 10-pressing plate, 11-guide rod, 12-guide hole, 13-stopper, 14-threaded hole, 15-handle, 16-anti-slip boss and 17-sealing sleeve.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The utility model aims to provide a continuous injector with controllable dosage, which solves the problems in the prior art, can continuously inject medicines and has the same medicine dosage in each injection.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a continuous injector with controllable dosage, which is shown in figures 1-5, and comprises an injector tube 1, a needle head 2, a piston rod 3, a medicine storage tank 6, an annular plate 9, a pressing plate 10, a plurality of guide rods 11 and a plurality of limiting blocks 13, wherein the needle head 2 is arranged at the front part of the injector tube 1, the piston rod 3 is connected in the injector tube 1 in a sealing sliding manner, the side wall of the injector tube 1 is provided with a medicine inlet communicated with the inner cavity of the injector tube, the bottom of the medicine storage tank 6 is provided with a medicine outlet, a liquid adding tube 5 is communicated with the medicine inlet and the medicine outlet, and a one-way valve is arranged on the liquid adding tube 5; one end of the piston rod 3, which is close to the tail of the injector tube 1, is fixedly connected with the pressing plate 10; the annular plate 9 is sleeved and fixed at the tail of the injector tube 1, a plurality of guide rods 11 are fixed at one side, far away from the needle head 2, of the annular plate 9 along the sliding direction of the piston rod 3, a plurality of guide holes 12 are formed in the pressing plate 10 corresponding to the plurality of guide rods 11, the plurality of guide rods 11 are correspondingly connected to the plurality of guide holes 12 in a sliding mode, and a plurality of limiting blocks 13 are correspondingly locked at one ends, far away from the annular plate 9, of the plurality of guide rods 11.
According to the continuous injector with controllable dosage, the position of the limiting block 13 on the guide rod 11 is regulated according to single dosage, and the position of the pressing plate 10 is limited so that the piston rod 3 moves the same distance towards the tail of the injector tube 1 each time, the same dosage of liquid medicine entering the inner cavity of the injector tube 1 in the medicine storage tank 6 each time is ensured, the pressing plate 10 is pushed, the piston rod 3 extrudes the liquid medicine into the needle head 2, and medicine injection is carried out on plants; the liquid adding pipe 5 is provided with a one-way valve, so that when the pressing plate 10 is pushed, the liquid medicine in the injector pipe 1 is prevented from entering the medicine storage tank 6; after the injection is completed once, the piston rod 3 is pulled, and when the medicine inlet is opened by the piston rod 3, the medicine liquid automatically flows into the syringe tube 1, so that the medicine can be continuously injected.
In a specific embodiment of the present utility model, an external thread is formed at one end of the plurality of guide rods 11 far away from the annular plate 9, a threaded hole 14 is formed at the plurality of limiting blocks 13, and the threaded hole 14 is screwed with the threaded end of the guide rod 11 to adjust the sliding distance of the pressing plate 10.
According to the dosage, the distance between the limiting block 13 and the annular plate 9 is adjusted to adjust the sliding distance of the pressing plate 10, the dosage sucked into the injector tube 1 each time is controlled to be the same, and the growth of plants is ensured.
The utility model also comprises a squeezing head 4 for squeezing the liquid medicine to the needle head 2, wherein the squeezing head 4 is fixed at one end of the piston rod 3 near the needle head 2 and is matched with one end of the syringe tube 1 connected with the needle head 2 in shape.
The extrusion head 4 can extrude all the liquid medicine in the injector tube 1 into the needle tube, so as to ensure that the medicine amount of the plant input each time is the same.
In a specific embodiment of the present utility model, the present utility model further comprises a sealing sleeve 17, and the sealing sleeve 17 is sleeved and fixed on the piston rod 3 and the extrusion head 4.
In a specific embodiment of the utility model, the medicine storage tank further comprises a one-way air inlet valve, a sealing cover 8 is arranged at the tank opening 7 of the medicine storage tank 6, a through hole is formed in the sealing cover 8, and the one-way air inlet valve is arranged on the through hole.
The medicine liquid in the medicine storage tank 6 can only enter the inner cavity of the injector tube 1, and the medicine liquid is prevented from being extruded back into the medicine storage tank 6 when the piston rod 3 is extruded.
In one embodiment of the utility model, the syringe further comprises a handle 15, wherein the handle 15 is fixed on the syringe tube 1, and a non-slip protrusion 16 for increasing friction force is protruded on the handle 15.
Working principle: the medicine liquid can be added into the medicine storage tank 6 through the position of the tank opening 7, when injection operation is carried out, the right end of the piston rod 3 can be outwards moved by pulling the pressing plate 10, when the piston rod 3 moves to the right side of the liquid adding pipe 5, the blocking of the medicine inlet can be released, the medicine liquid in the medicine storage tank 6 can flow into the syringe pipe 1, after the cavity of the syringe pipe 1 is filled, the needle head 2 can be inserted into the stalk, then the pressing plate 10 is pressed to enable the piston rod 3 to move, the medicine liquid can be extruded to be sprayed out from the needle head 2, meanwhile, the piston rod 3 can be blocked when moving to the pipe opening position of the liquid adding pipe 5, the medicine liquid can be prevented from flowing out under the cooperation of the sealing sleeve 17, so that quantitative injection can be ensured, the pressing plate 10 is pulled after injection is finished, the pressing plate 10 moves rightwards to be contacted with the limiting block 13, the moving distance can be ensured to be fixed through the limiting block 13, the medicine liquid can enter the syringe pipe 1 again, the medicine liquid can be ensured to have the same quantity each time, and continuous injection can be achieved at the same time, and the use convenience is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The continuous injector with controllable dosage comprises an injector tube (1), a needle head (2) and a piston rod (3), wherein the needle head (2) is arranged at the front part of the injector tube (1), the piston rod (3) is hermetically and slidingly connected in the injector tube (1), the continuous injector is characterized by also comprising a medicine storage tank (6), an annular plate (9), a pressing plate (10), a plurality of guide rods (11) and a plurality of limiting blocks (13),
the side wall of the injector tube (1) is provided with a medicine inlet communicated with the inner cavity of the injector tube, the bottom of the medicine storage tank (6) is provided with a medicine outlet, the liquid adding tube (5) is communicated with the medicine inlet and the medicine outlet, and the liquid adding tube (5) is provided with a one-way valve;
one end of the piston rod (3) close to the tail of the injector tube (1) is fixedly connected with the pressing plate (10); the utility model discloses a syringe, including syringe, syringe rod (1), annular plate (9) cover is established and is fixed the afterbody of syringe (1), a plurality of guide bar (11) are followed piston rod (3) slip direction is fixed annular plate (9) are kept away from one side of syringe needle (2), press board (10) a plurality of guide hole (12) have been seted up to guide bar (11) correspond a plurality of guide bar (11) correspond sliding connection on a plurality of guide hole (12), a plurality of stopper (13) correspond the locking is in a plurality of guide bar (11) are kept away from one end of annular plate (9).
2. A continuous injector with controllable dosage according to claim 1, characterized in that one end of the plurality of guide rods (11) far away from the annular plate (9) is provided with external threads, the plurality of limiting blocks (13) are provided with threaded holes (14), and the threaded holes (14) are in threaded connection with the threaded ends of the guide rods (11) so as to adjust the sliding distance of the pressing plate (10).
3. A continuous syringe with controllable quantity of medicine according to claim 1, characterized in that it further comprises a squeezing head (4) for squeezing the whole of the liquid medicine to the needle (2), said squeezing head (4) being fixed at the end of the piston rod (3) near the needle (2) and being adapted in shape to the end of the syringe tube (1) where the needle (2) is connected.
4. A continuous syringe with a controlled quantity of medicament according to claim 3, characterized in that it further comprises a sealing sleeve (17), said sealing sleeve (17) being fitted over and fixed to said piston rod (3) and said extrusion head (4).
5. A continuous injector with controllable dosage as claimed in claim 1, further comprising a one-way air inlet valve, wherein the mouth (7) of the drug storage tank (6) is provided with a sealing cover (8), the sealing cover (8) is provided with a through hole, and the one-way air inlet valve is arranged on the through hole.
6. A continuous syringe with controlled quantity of medicament according to claim 1, characterized in that it further comprises a handle (15), said handle (15) being fixed to said syringe tube (1), said handle (15) being provided with a grip (16) protruding from it for increasing friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273367.1U CN219834922U (en) | 2023-05-24 | 2023-05-24 | Continuous injector with controllable dosage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321273367.1U CN219834922U (en) | 2023-05-24 | 2023-05-24 | Continuous injector with controllable dosage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219834922U true CN219834922U (en) | 2023-10-17 |
Family
ID=88305227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321273367.1U Active CN219834922U (en) | 2023-05-24 | 2023-05-24 | Continuous injector with controllable dosage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219834922U (en) |
-
2023
- 2023-05-24 CN CN202321273367.1U patent/CN219834922U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |