CN219043014U - Uniform speed injection structure - Google Patents
Uniform speed injection structure Download PDFInfo
- Publication number
- CN219043014U CN219043014U CN202222812616.1U CN202222812616U CN219043014U CN 219043014 U CN219043014 U CN 219043014U CN 202222812616 U CN202222812616 U CN 202222812616U CN 219043014 U CN219043014 U CN 219043014U
- Authority
- CN
- China
- Prior art keywords
- injection
- rod
- cylinder
- plate
- mounting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a uniform speed injection structure, which comprises an injection cylinder, wherein the injection cylinder is a cylinder body with a cylindrical cavity structure, one end of the injection cylinder is provided with an injection hole, the other end of the injection cylinder is provided with an injection feed inlet, one end of the injection cylinder corresponding to the injection hole is a sealing plate, and the center of the sealing plate is provided with a through groove, and the uniform speed injection structure relates to the technical field of injectors. The movement of the injection rod is controlled by a motor-driven screw rod, the injection speed is simpler and more convenient to adjust, and the problem of changing the pushing travelling speed can be avoided due to the abrasion of a piston and the like.
Description
Technical Field
The utility model relates to the technical field of syringes, in particular to a uniform speed injection structure.
Background
In modern medical equipment, injection equipment is an important medical device, is mainly used for injecting medicines into human bodies, and injection adopts a pressure pushing structure, and the pushing structure of the injection device at the present stage is used for pushing medicine liquid into the human bodies by pushing by manpower, gravity drip or hydraulic control pistons, and the following problems exist in the injection process by using a piston injection mode: 1. the abrasion degree of the piston has larger influence on the injection speed, and if the abrasion of the piston is serious, the problem of too fast injection can occur; 2. if the piston is expanded, the problem of uneven injection rate is also generated, and the discomfort of the body of the person to be injected is easily caused.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a uniform speed injection structure, which solves the problems of the prior background technology.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the uniform speed injection structure comprises an injection cylinder, wherein the injection cylinder is a cylinder body with a cylindrical cavity structure, one end of the injection cylinder is provided with an injection hole, the other end of the injection cylinder is provided with an injection feeding port, one end of the injection cylinder corresponding to the injection hole is a sealing plate, a through groove is formed in the center of the sealing plate, one side of the center of the sealing plate is provided with a mounting seat, and the through groove penetrates through the mounting seat;
a fixed plate is arranged on one side of the sealing plate, which is positioned on the mounting seat, and the fixed plate is parallel to the axis of the inner groove of the injection cylinder;
a pushing rod is inserted into the sealing plate, the pushing rod penetrates through the through groove and extends into the injection cylinder, and a pushing piston is arranged in the injection cylinder and connected with the pushing rod;
a threaded hole is formed in the central axial direction of the injection rod, and an injection motor is arranged at the end part of the fixed plate;
and a pushing screw rod is arranged at the driving end of the pushing motor, and the pushing screw rod is installed in the threaded hole in a threaded manner.
Preferably, a sealing ring is arranged in the through groove and positioned on the mounting seat, and the sealing ring is sleeved outside the injection rod.
Preferably, the injection feed inlet and the injection outlet are both provided with one-way valves, and the injection feed inlet is of an internal thread structure.
Preferably, a limiting rod is arranged on the annular wall surface of the push rod parallel to the axis, and limiting grooves are arranged on the mounting seat and the sealing ring and sleeved outside the limiting rod.
Preferably, a supporting base is arranged on one side of the injection cylinder, and the supporting base is of a prismatic table type structure.
Preferably, the mounting seat is a plate with a cylindrical structure and is integrated with the sealing plate, and the sealing plate is a side shaft end wall surface of the injection cylinder.
Advantageous effects
The utility model provides a uniform speed injection structure. The beneficial effects are as follows: the uniform injection structure uses the linear screw rod as a power driving device, and can perform linear uniform piston movement, so that more uniform injection is realized, and the uniform injection structure has the following advantages that:
1. the piston of the injection device is pushed by the rod-shaped body which moves linearly, the piston is used for realizing the pushing injection of the liquid medicine, the structure is simple, the sealing is simple, and the leakage of the liquid medicine is not easy to occur;
2. the movement of the injection rod is controlled by a motor-driven screw rod, the injection speed is simpler and more convenient to adjust, and the problem of changing the pushing travelling speed can be avoided due to the abrasion of a piston and the like.
Drawings
Fig. 1 is a schematic structural view of a uniform velocity injection structure according to the present utility model.
Fig. 2 is a schematic front view of a uniform injection structure according to the present utility model.
Fig. 3 is a schematic cross-sectional view of a uniform velocity injection structure according to the present utility model.
In the figure: 1. a syringe; 2. an injection hole; 3. injection feed port; 4. a closing plate; 5. a mounting base; 6. a fixing plate; 7. a bolus rod; 8. a bolus piston; 9. a bolus motor; 10. pushing and injecting a screw rod; 11. a one-way valve; 12. a limit rod; 13. and a supporting base.
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.
Examples: according to the description, as shown in fig. 1-3, the constant-speed injection structure comprises an injection cylinder 1, wherein the injection cylinder 1 is a cylinder body with a cylindrical cavity structure, one end of the injection cylinder 1 is provided with an injection hole 2, the other end of the injection cylinder 1 is provided with an injection feeding hole 3, one end of the injection cylinder 1 corresponding to the injection hole 2 is provided with a sealing plate 4, the center of the sealing plate 4 is provided with a through groove, one side of the center of the sealing plate 4 is provided with a mounting seat 5, the through groove penetrates through the mounting seat 5, in a specific implementation process, the injection cylinder 1 is a container with a cylindrical cavity structure and is a main structure for realizing injection operation, the sealing plate 4 at one end of the injection cylinder 1 and the mounting seat 5 are penetrated by the through groove and serve as a channel for mounting a piston pushing piece, an external injection liquid pipeline can be connected through the injection feeding hole 3, and injection liquid can be pushed into a liquid outlet pipeline through the injection hole 2;
a fixed plate 6 is arranged on one side of the sealing plate 4, which is positioned on the mounting seat 5, the fixed plate 6 is parallel to the axle center of the inner groove of the injection cylinder 1, and the fixed plate 6 and the injection cylinder 1 are of an integrated structure, and are a fixed foundation for mounting the injection device;
a push injection rod 7 is inserted in the sealing plate 4, the push injection rod 7 extends into the injection cylinder 1 through the through groove, a push injection piston 8 is arranged in the injection cylinder 1 and is connected with the push injection rod 7, and the push injection rod 7 is controlled to slide in the through groove so as to push the push injection piston 8 to slide in the injection cylinder 1, so that the medicine is extruded;
a threaded hole is formed in the central axial direction of the injection rod 7, an injection motor 9 is arranged at the end part of the fixed plate 6, an injection screw rod 10 is arranged at the driving end of the injection motor 9, the injection screw rod 10 is arranged in the threaded hole in a threaded way,
the injection motor 9 is used as power to control the injection screw rod 10, so that the injection screw rod 10 rotates, the injection screw rod 10 can be meshed with a threaded hole in the center of the injection rod 7, the injection rod 7 slides on the injection screw rod 10, the purpose of pushing the injection piston 8 is achieved, the injection motor 9 is controlled to rotate at a constant speed, uniform injection can be achieved, compared with a hydraulic driving mode, the driving mode is more stable, and the injection piston 8 can operate at a motor-controlled speed even if a defect occurs.
As the preferable scheme, still further, lead to inslot and be located and be provided with the sealing ring on mount pad 5, the sealing ring cover is established in the outside of push away notes pole 7, plays sealed effect, avoids the liquid medicine to expose.
As the preferable scheme, still further, all be provided with check valve 11 on injection feed inlet 3 and the injection hole 2, injection feed inlet 3 is the internal thread structure, and the material in the injection section of thick bamboo 1 can only one-way outflow is made to the check valve 11 on the injection hole 2, and injection feed inlet 3 passes through the external feed liquor pipeline of screw thread structure connection.
As a preferable scheme, a limit rod 12 is arranged on the annular wall surface of the injection rod 7 parallel to the axis, a limit groove is arranged on the mounting seat 5 and the sealing ring and sleeved outside the limit rod 12, and the limit rod 12 enables the injection rod 7 to slide linearly.
Preferably, a supporting base 13 is disposed on one side of the syringe 1, and the supporting base 13 is of a prismatic table structure and is used for mounting the syringe 1 on an injection platform.
As a preferred scheme, still further, mount pad 5 is the plate of cylindricality structure and with closing plate 4 as an organic whole, and closing plate 4 is the one side axle head wall of injection tube 1, simple structure, and bulk strength is higher.
In summary, according to the uniform injection structure, the linear screw rod is used as the power driving device, so that linear uniform piston movement can be performed, more uniform injection is realized, the piston of the injection device is pushed by the rod-shaped body which moves linearly, the piston is used for realizing push injection of liquid medicine, the structure is simple, the sealing is simple, and leakage of the liquid medicine is not easy to occur; the movement of the injection rod 7 is controlled by a motor-driven screw rod, so that the injection speed is simpler and more convenient to adjust, and the problem of changing the pushing travelling speed can be avoided due to the abrasion of a piston and the like.
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. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
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 (6)
1. The utility model provides a uniform velocity injection structure, includes injection tube (1), injection tube (1) is the barrel of cylindricality cavity structure, the one end of injection tube (1) is provided with injection hole (2), be provided with injection feed inlet (3) on the other end of injection tube (1), its characterized in that, the one end that injection tube (1) corresponds with injection hole (2) is closure plate (4), logical groove has been seted up at closure plate (4) center, central one side of closure plate (4) is provided with mount pad (5), logical groove link up mount pad (5);
a fixed plate (6) is arranged on one side of the sealing plate (4) positioned on the mounting seat (5), and the fixed plate (6) is parallel to the axis of the inner groove of the injection cylinder (1);
a push rod (7) is inserted into the sealing plate (4), the push rod (7) penetrates through the through groove and extends into the injection cylinder (1), and a push piston (8) is arranged in the injection cylinder (1) and is connected with the push rod (7);
a threaded hole is formed in the central axial direction of the injection rod (7), and an injection motor (9) is arranged at the end part of the fixed plate (6);
and a pushing screw rod (10) is arranged at the driving end of the pushing motor (9), and the pushing screw rod (10) is installed in the threaded hole in a threaded manner.
2. The constant speed injection structure according to claim 1, wherein a sealing ring is arranged in the through groove and on the mounting seat (5), and the sealing ring is sleeved outside the injection rod (7).
3. The uniform velocity injection structure according to claim 2, wherein the injection feed inlet (3) and the injection outlet (2) are both provided with one-way valves (11), and the injection feed inlet (3) is of an internal thread structure.
4. A constant velocity injection structure according to claim 3, wherein the annular wall surface of the injection rod (7) is provided with a limit rod (12) parallel to the axis, and the mounting seat (5) and the seal ring are provided with limit grooves sleeved outside the limit rod (12).
5. A constant velocity injection structure according to claim 4, wherein a supporting base (13) is provided on one side of the injection cylinder (1), the supporting base (13) being of prismatic table structure.
6. A constant velocity injection structure according to claim 5, characterized in that the mounting seat (5) is a plate of cylindrical structure and is integrated with the closing plate (4), and the closing plate (4) is a side shaft end wall surface of the injection cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812616.1U CN219043014U (en) | 2022-10-25 | 2022-10-25 | Uniform speed injection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812616.1U CN219043014U (en) | 2022-10-25 | 2022-10-25 | Uniform speed injection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219043014U true CN219043014U (en) | 2023-05-19 |
Family
ID=86319697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222812616.1U Active CN219043014U (en) | 2022-10-25 | 2022-10-25 | Uniform speed injection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219043014U (en) |
-
2022
- 2022-10-25 CN CN202222812616.1U patent/CN219043014U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219043014U (en) | Uniform speed injection structure | |
| CN203822591U (en) | Dosing pump with quantitatively compressed diaphragm | |
| CN110877770A (en) | Double-layer disposable liquid storage bag and constant-pressure conveying device thereof | |
| CN101623522B (en) | Extrusion type infusion pump and infusion method | |
| JP4274725B2 (en) | Device for administering injectable drugs | |
| CN101526445A (en) | Thread-control high-pressure environment liquid sampler | |
| CN209154756U (en) | A kind of surgery syringe | |
| CN110230589A (en) | Eccentric wheel rotary squeezing drip pump | |
| CN215822097U (en) | Cervical multiple spot immune cell preparation quantitative control device for injection | |
| CN201606202U (en) | Variable-stroke proportional control reciprocating pump | |
| CN206845407U (en) | Planetary crank drives the more pump fluid pressurizing machines of circumference | |
| CN209751752U (en) | Multi-gear negative pressure drainage system | |
| CN219492510U (en) | High-pressure industrial injection pump | |
| JP2002035125A (en) | Vacuum drive pump and liquid injecting device using this pump | |
| CN220066065U (en) | Single-shaft liquid injection machine | |
| CN214618964U (en) | Grease injection amount adjustable bearing grease injection tool | |
| CN112704780A (en) | High-reliability injection device for pediatric treatment | |
| CN207168791U (en) | A kind of liquid difference reverse-flow type syringe pump | |
| CN212861958U (en) | Longitudinal lifting liquid medicine quantitative filling device | |
| CN219317128U (en) | Plunger valve body | |
| CN219167338U (en) | Micropump with anti-slip extension tube | |
| CN220599951U (en) | Linear metering pump and automatic filling equipment | |
| CN205089542U (en) | Piston syringe pump | |
| CN213855410U (en) | High-precision automatic dispensing machine | |
| CN216318089U (en) | Combined type root canal filling injector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |