CN210785773U

CN210785773U - Syringe booster unit and injection subassembly

Info

Publication number: CN210785773U
Application number: CN201921598768.8U
Authority: CN
Inventors: 游宇鹃
Original assignee: Second Affiliated Hospital to Nanchang University
Current assignee: Second Affiliated Hospital to Nanchang University
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-19
Anticipated expiration: 2029-09-24

Abstract

The utility model provides an injector booster unit and injection subassembly belongs to injection technical field, and wherein, injector booster unit includes: the rotary base is provided with a first clamping structure suitable for fixing a piston handle of the syringe; the pressure rod is rotatably connected with a rotating connecting frame, and the rotating connecting frame is provided with a second clamping structure suitable for fixing a sleeve of the syringe; the utility model can temporarily connect and fix the injector by rotating the base and the rotating connecting frame, and can pull out or push in the piston rod of the injector by manually driving the pressure rod to rotate; because the compression bar adopts the lever principle, the operating force to the syringe piston rod can be lightened, the operation of the syringe is more convenient, and the normal operation of a user cannot be influenced by too tight rubber plug even when the syringe with low price is operated.

Description

Syringe booster unit and injection subassembly

Technical Field

The utility model relates to an injection technical field, concretely relates to syringe booster unit and injection subassembly.

Background

The injector is a common medical appliance, and the injector consists of a syringe with a needle nozzle at the front end and a matched piston rod, and is used for injecting a small amount of liquid or gas into other areas or extracting the liquid or gas from some places, sucking the liquid or gas from a small hole at the front end of the syringe when the piston rod is extracted, and extruding the liquid or gas when the piston rod is pushed in.

The prior art syringe requires the inner rubber plug to have enough sealing performance due to the national rigid safety requirement. Therefore, the rubber plug is generally made of a material with higher elasticity, but the better the rubber plug is, the more expensive the rubber plug is, and the higher the price of the syringe is caused when the rubber plug is used for manufacturing a disposable syringe.

However, if a cheap rubber plug is adopted, the rubber plug is made of a hard material and has insufficient elasticity. At this time, in order to meet the requirement of sealing performance, the parts of the produced syringe rubber plugs are all tight, so that the piston rod is difficult to operate when the syringe is used.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the lower syringe of price among the prior art, because the plug is tighter when using, is difficult for carrying out the defect operated to the piston rod to a syringe booster unit is provided.

The utility model also provides an injection subassembly.

In order to solve the technical problem, the utility model provides a syringe booster unit, include:

the support is suitable for being arranged on a table top;

the rotating base is rotatably connected to the support and is provided with a first clamping structure suitable for fixing a piston handle of the syringe;

the pressure lever is rotatably connected to the support and is positioned on the same side of the support as the rotating base;

the rotary connecting frame is rotatably connected to the pressure rod and is provided with a second clamping structure suitable for fixing a sleeve of the injector.

Preferably, the support is provided with a support plate, and one end of the pressure lever is rotatably connected to the support plate.

Preferably, the method further comprises the following steps:

the pressing plate is connected to the top end of the supporting plate and is provided with a first accommodating groove which is transversely arranged;

the top end of the supporting plate is provided with a second accommodating groove which is longitudinally arranged;

the pressing rod is provided with a connecting shaft, the pressing rod is inserted into the second accommodating groove, and the connecting shaft is rotatably accommodated in the second accommodating groove.

Preferably, a pressing block is further arranged above one side, facing the pressing rod, of the pressing plate, and one surface, facing the pressing rod, of the pressing block is an inclined surface inclined upwards.

Preferably, the first clamping structure includes:

the first clamping seat is provided with a clamping groove for accommodating the end part of the piston handle;

and the sliding block is slidably arranged on the opposite side of the side wall of the clamping groove.

Preferably, the side wall of the clamping groove is further provided with a pin which is suitable for being inserted into the piston column of the injector.

Preferably, an elastic piece is arranged between the sliding block and the first clamping seat.

Preferably, the second clamping structure includes:

a second snap-fit seat having a through-hole for passing through a piston post of the syringe;

the second clamping seat is provided with at least two opposite buckles and is provided with a top end locking end and a middle section connecting section, and the diameter of the locking end is larger than that of the connecting section.

The utility model provides an injection assembly, include:

the syringe power assisting device of any one of the above aspects;

and the injector body is suitable for being connected to the injector power assisting device.

Preferably, the syringe body comprises:

a sleeve having a needle nozzle at one end;

the clamping handle is arranged at one end, far away from the sleeve, of the sleeve, extends outwards along the radial direction of the sleeve, and is provided with a second insertion hole suitable for inserting a buckle of the second clamping structure on the horizontal plane; the second jack is arc-shaped, one end of the second jack is suitable for inserting the lock catch end of the buckle, and the other parts of the second jack are suitable for clamping the lock catch end and allowing the connecting section of the buckle to slide in the second jack;

the rubber plug is slidably arranged in the sleeve;

one end of the piston column is connected with the rubber plug, the other end of the piston column extends out of the sleeve, and a first insertion hole suitable for inserting the pin column of the first clamping structure is formed in the vertical surface of the piston column;

the piston handle is connected to one end of the piston column, which extends out of the sleeve.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an injector booster unit, which can temporarily connect and fix the injector through rotating the base and the rotating connecting frame, and can pull out or push in the piston rod of the injector through manually driving the pressure rod to rotate; because the compression bar adopts the lever principle, the operating force to the syringe piston rod can be lightened, the operation of the syringe is more convenient, and the normal operation of a user cannot be influenced by too tight rubber plug even when the syringe with low price is operated.

2. The utility model provides an injection assembly, include with above-mentioned syringe booster unit matched with syringe, the syringe is disposable, and a syringe booster unit can cooperate with a plurality of syringes.

3. The utility model provides an injection assembly, which is used for an injector matched with an injector power assisting device, wherein a matching structure is respectively arranged on a clamping handle and a piston column, and the injection assembly is matched with the injector power assisting device through the matching structure, so that the injection assembly can be temporarily fixed on the injector power assisting device; in addition, when the injector power assisting device is not adopted, the injector can be independently used, and the injector is suitable for other temporary conditions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of an injection assembly provided by the present invention.

Fig. 2 is a schematic perspective view of fig. 1 at another angle.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is an enlarged view of the region B in fig. 2.

Fig. 5 is a perspective view of the support.

Fig. 6 is a schematic perspective view of the pressing rod arranged on the support.

Fig. 7 is a schematic perspective view of the pressing plate.

Fig. 8 is a schematic perspective view of the rotating base.

Fig. 9 is a schematic perspective view of the rotary connecting frame.

Fig. 10 is a perspective view of the syringe.

Description of reference numerals:

1. a support; 2. a pressure lever; 3. bolt holes; 4. rotating the base; 5. rotating the connecting frame; 6. a support plate; 7. a second accommodating groove; 8. pressing a plate; 9. a first accommodating groove; 10. a connecting shaft; 11. briquetting; 12. a bevel; 13. a first clamping seat; 14. a slider; 15. a card slot; 16. a pin; 17. an elastic member; 18. a second clamping seat; 19. buckling; 20. passing through the aperture; 21. a locking end; 22. a connecting section; 23. a sleeve; 24. a clamping handle; 25. a piston post; 26. a piston handle; 27. a needle nozzle; 28. a second jack; 29. a first receptacle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

This example provides an embodiment of a syringe power assist device, as shown in fig. 1 and 2, in which a syringe is fixedly connected to the syringe power assist device, the syringe power assist device including: a support 1 and a pressure bar 2 with one end rotatably connected on the bracket.

The four corners of the bottom end of the support 1 are provided with bolt holes 3 suitable for screws to pass through, so that the support 1 is suitable for being fixedly arranged on a table top, and the power assisting device of the injector is convenient to fix.

The rotating base 4 is arranged on the platform on the upper surface of the support 1, the rotating base 4 is rotatably connected to the support 1, and the rotating base 4 can be used for temporarily fixing the plunger handle 26 of the syringe through the first clamping structure.

The upper part of the rotating base 4 on the pressure lever 2 is provided with a rotating connecting frame 5, the rotating connecting frame 5 is rotatably connected on the pressure lever 2, and the rotating connecting frame 5 can be used for temporarily fixing a sleeve 23 of the injector through a second clamping structure.

As shown in fig. 5, the side of the support 1 is provided with a support plate 6 which extends vertically upwards, and the top end of the support plate 6 is provided with a second accommodating groove 7 which is arranged longitudinally. One end of the pressure lever 2 is inserted into the second accommodating groove 7, so that the pressure lever 2 and the rotating base 4 are located on the upper side of the support 1.

As shown in fig. 6 and 7, a pressing plate 8 is adapted to be covered on the second accommodating groove 7 at the top end of the supporting plate 6, and a first accommodating groove 9 is transversely arranged in the pressing plate 8; the end of the pressing rod 2 is connected with a connecting shaft 10, and after one end of the pressing rod 2 is accommodated in the second accommodating groove 7, the connecting shaft 10 can be accommodated in the first accommodating groove 9 of the pressing plate 8, so that the rotatable connection between the pressing rod 2 and the supporting plate 6 is realized.

As shown in fig. 7, a pressing block 11 is further disposed above one side of the pressing plate 8 facing the pressing rod 2, and one surface of the pressing block 11 facing the pressing rod 2 is an inclined surface 12 inclined upward. The inclined surface 12 limits the height of the upward lifting of the pressure lever 2, and when the control pressure lever 2 is lifted upwards, the pressure lever 2 is contacted with the inclined surface 12 on the pressing block 11 of the pressure plate 8 at a certain height, so that the pressure lever 2 is blocked at the height, thereby ensuring that the piston column 25 of the injector is not pulled out of the sleeve 23.

As shown in fig. 3 and 8, the first clamping structure is rotatably connected with the support 1 through a connecting shaft 10 extending towards two sides, and the first clamping structure comprises: the syringe comprises a first clamping seat 13 and a sliding block 14, wherein the first clamping seat 13 is provided with a clamping groove 15 for accommodating the end of the plunger rod 26, and a pin 16 suitable for being inserted into a plunger rod 25 of the syringe is further arranged on the side wall of the clamping groove 15. The sliding block 14 is slidably disposed on the opposite side of the side wall of the card slot 15, and an elastic member 17 is disposed between the sliding block 14 and the first card receiving seat 13, and the elastic member 17 may be a spring. When the syringe is temporarily fixed by adopting the first clamping structure, the plunger handle 26 of the syringe is inserted into the clamping groove 15, and the first insertion hole 29 on the plunger post 25 of the syringe is inserted into the pin 16.

As shown in fig. 4 and 9, the second clamping structure is rotatably connected with the pressure rod 2 through a connecting shaft 10 extending towards two sides, and the second clamping structure comprises: a second snap-fit seat 18 and a snap 19, said second snap-fit seat 18 having a through hole 20 for passing through a piston post 25 of said syringe; the two opposite buckles 19 are arranged on the second clamping seat 18 and are provided with top locking ends 21 and middle section connecting sections 22, and the diameter of the locking ends 21 is larger than that of the connecting sections 22. When the syringe is temporarily held in the second snap-fit configuration, the plunger 25 of the syringe is inserted down through the hole 20, the second socket 28 on the grip handle 24 is inserted into the snap 19, and the second socket 28 is snapped into the snap 19 by rotating the barrel 23 of the syringe.

Example 2

The present embodiment provides a specific implementation of an injection assembly, as shown in fig. 1 and fig. 2, on the basis of embodiment 1, further including: the injector body can be temporarily and fixedly connected to the injector power assisting device.

As shown in fig. 10, the syringe body includes: a sleeve 23, a clamping handle 24, a rubber plug, a piston column 25 and a piston handle 26. The sleeve 23 has a needle mouth 27 at one end; the clamping handle 24 is arranged at one end of the sleeve 23 far away from the sleeve 23, extends outwards along the radial direction of the sleeve 23, and is provided with a second insertion hole 28 suitable for inserting the buckle 19 of the second clamping structure in the horizontal plane.

The second insertion hole 28 is arc-shaped, one end of the second insertion hole is suitable for inserting the locking end 21 of the buckle 19, and the other part of the second insertion hole is suitable for clamping the locking end 21 and allowing the connecting section 22 of the buckle 19 to slide in the second insertion hole 28; the rubber plug is slidably arranged in the sleeve 23; one end of the piston column 25 is connected with the rubber plug, the other end of the piston column extends out of the sleeve 23, and a first insertion hole 29 suitable for inserting the pin column 16 of the first clamping structure is formed in the vertical surface.

The plunger handle 26 is connected to one end of the plunger rod 25 extending out of the sleeve 23.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A syringe booster, comprising:

a support (1) adapted to be arranged on a table top;

the rotating base (4) is rotatably connected to the support (1) and is provided with a first clamping structure suitable for fixing a piston handle (26) of the syringe;

the pressure lever (2) is rotatably connected to the support (1) and is positioned on the same side of the support (1) as the rotating base (4);

the rotary connecting frame (5) is rotatably connected to the pressure lever (2) and is provided with a second clamping structure suitable for fixing a sleeve (23) of the syringe.

2. The syringe power assisting device according to claim 1, characterized in that the support (1) is provided with a support plate (6), and one end of the pressure rod (2) is rotatably connected to the support plate (6).

3. The syringe boosting device of claim 2, further comprising:

the pressing plate (8) is connected to the top end of the supporting plate (6) and is provided with a first accommodating groove (9) which is transversely arranged;

the top end of the supporting plate (6) is provided with a second accommodating groove (7) which is longitudinally arranged;

the pressing rod (2) is provided with a connecting shaft (10), the pressing rod (2) is inserted into the second accommodating groove (7), and the connecting shaft (10) can be rotatably accommodated in the second accommodating groove (7).

4. The syringe power assisting device according to claim 3, characterized in that a pressing block (11) is further arranged above one side of the pressing plate (8) facing the pressing rod (2), and one surface of the pressing block (11) facing the pressing rod (2) is an upward inclined surface (12).

5. The syringe assist device of claim 1, wherein the first snap-fit structure comprises:

the first clamping seat (13) is provided with a clamping groove (15) used for accommodating the end part of the piston handle (26);

and the sliding blocks (14) are slidably arranged on the opposite sides of the side walls of the clamping grooves (15).

6. The syringe booster of claim 5, wherein the side wall of the slot (15) is further provided with a pin (16) adapted to be inserted into a plunger (25) of the syringe.

7. Syringe power assist device according to claim 5, characterized in that an elastic element (17) is provided between the sliding block (14) and the first snap seat (13).

8. The syringe assist device of claim 1, wherein the second snap-fit structure comprises:

a second snap-in seat (18) having a through hole (20) for passing through a piston post (25) of the syringe;

the second clamping seat (18) is provided with at least two opposite buckles (19) which are provided with top end locking ends (21) and middle section connecting sections (22), and the diameters of the locking ends (21) are larger than those of the connecting sections (22).

9. An injection assembly, comprising:

the syringe booster of any one of claims 1-8;

10. The injection assembly of claim 9, wherein the injector body comprises:

a sleeve (23) having a needle tip (27) at one end;

the clamping handle (24) is arranged at one end of the sleeve (23) far away from the sleeve (23), extends outwards along the radial direction of the sleeve (23), and is provided with a second insertion hole (28) suitable for inserting the buckle (19) of the second clamping structure in the horizontal plane; the second insertion hole (28) is arc-shaped, one end of the second insertion hole is suitable for inserting the locking end (21) of the buckle (19), and the other parts of the second insertion hole are suitable for clamping the locking end (21) and allowing the connecting section (22) of the buckle (19) to slide in the second insertion hole (28);

the rubber plug is slidably arranged in the sleeve (23);

one end of the piston column (25) is connected with the rubber plug, the other end of the piston column extends out of the sleeve (23), and a first insertion hole (29) which is suitable for the pin column (16) of the first clamping structure to be inserted is formed in the vertical surface;

the piston handle (26) is connected to one end of the piston column (25) extending out of the sleeve (23).