CN216456376U

CN216456376U - Disposable syringe piston pump with prevent leaking structure

Info

Publication number: CN216456376U
Application number: CN202122857601.2U
Authority: CN
Inventors: 黄朝友
Original assignee: Yueyang Minkang Medical Materials Co ltd
Current assignee: Yueyang Minkang Medical Materials Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-10
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a disposable syringe piston pump with an anti-leakage structure, which comprises a fixed cavity, a connecting plug, a fixed block, a push rod and an anti-slip pad, wherein the connecting plug is arranged in the middle of the top end of the fixed cavity; the fixed block is arranged at the bottom of the fixed cavity, a leakage-proof assembly is arranged at the bottom of the fixed block, and an anti-falling assembly is arranged at the bottom of the leakage-proof assembly; the push rod is arranged at the bottom of the anti-falling assembly, and a push plate is fixed at the bottom of the push rod; and the non-slip mat is attached to the bottom of the push plate. This disposable syringe piston pump with leak protection structure bonds each other through nanometer glue between with locating piece and the piston, utilizes nanometer glue, can strengthen the connectivity between locating piece and the piston to strengthen integrative nature performance, with the fixed fixture block of piston bottom in the inside draw-in groove of seting up of locating piece, through the setting of draw-in groove and fixture block, can increase the firm location nature between piston and the locating piece.

Description

Disposable syringe piston pump with prevent leaking structure

Technical Field

The utility model relates to the technical field of syringes, in particular to a disposable syringe piston pump with a leakage-proof structure.

Background

Syringes are a common medical device. Gas or liquid is primarily drawn or injected with a needle. The advent of syringes is an epoch-making revolution in the field of medical devices. This process of drawing, injecting gas or liquid with a needle is called injection. The injector consists of a syringe with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid or the liquid from the inaccessible area by other methods, wherein the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, and the liquid or gas is extruded when the core rod is pushed in.

Syringe piston pumps on the market generally do not have anti-skid performance, and cannot fully push out liquid in a connecting pipe at the top of a syringe, so that a disposable syringe piston pump with a leakage-proof structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a disposable syringe piston pump with a leakage-proof structure, which aims to solve the problems that the syringe piston pump on the market proposed in the background art does not usually have anti-skid performance, and cannot play a role in completely pushing out liquid in a connecting pipe at the top of a syringe.

In order to achieve the purpose, the utility model provides the following technical scheme: a disposable syringe piston pump with a leak-proof structure, comprising:

a fixed cavity;

further comprising:

the connecting plug is arranged in the middle of the top end of the fixing cavity;

the fixed block is arranged at the bottom of the fixed cavity, a leakage-proof assembly is arranged at the bottom of the fixed block, and an anti-falling assembly is arranged at the bottom of the leakage-proof assembly;

the push rod is arranged at the bottom of the anti-falling assembly, and a push plate is fixed at the bottom of the push rod;

and the non-slip pad is attached to the bottom of the push plate.

Preferably, the fixed cavity is fixedly connected with the connecting plug, and vertical central axes of the fixed cavity, the connecting plug and the fixed block coincide with each other.

Preferably, the push plate and the non-slip mat are in bonding connection, and the push plate and the push rod are fixedly connected.

Preferably, the leak prevention assembly comprises:

connecting blocks;

first sealing washer, its laminate in the top of connecting block, the inside of connecting block is provided with the connecting rod, the bottom laminating of connecting block has the second sealing washer.

Preferably, the connecting block is respectively connected with the first sealing ring and the second sealing ring in an adhesive manner, and the connecting rods are uniformly distributed and arranged in the connecting block.

Preferably, the drop-off prevention assembly includes:

a piston;

the fixture block, it set up in the bottom middle part of piston, the outer wall all around of piston is provided with the draw-in groove, the outer wall of draw-in groove is provided with the locating piece, the laminating of the top of locating piece has the nanometer to glue.

Preferably, the nanometer glue is respectively connected with the positioning block and the piston in an adhesion manner, and the vertical central axis between the positioning block and the piston coincides with each other.

Preferably, the piston is fixedly connected with the clamping block, and the clamping block forms a clamping structure with the positioning block through the clamping groove.

The utility model provides a disposable syringe piston pump with an anti-leakage structure, which has the following beneficial effects: this disposable syringe piston pump with leak protection structure will connect the stopper to be fixed in the top in fixed chamber, utilizes and connects the stopper, can play whole promotion to remaining liquid in syringe top cylinder, avoids remaining liquid to remain inside the syringe to cause the waste, bond each other through nanometer glue between locating piece and the piston again, utilize nanometer glue, can strengthen the connectivity between locating piece and the piston, thereby strengthen an organic whole nature performance.

1. The connecting plug is fixed at the top of the fixed cavity, residual liquid in a needle cylinder at the top of the injector can be completely pushed by the connecting plug, the residual liquid is prevented from remaining in the injector to cause waste, the anti-slip pad is bonded at the bottom of the push plate, and the contact area between the push plate and a table top can be enlarged by the anti-slip pad, so that the anti-slip performance of the whole device is realized, and the stability of the injector during placement is ensured.

2. According to the utility model, the first sealing ring and the second sealing ring are mutually bonded through the connecting block, the arrangement of the first sealing ring and the second sealing ring can enhance the contact area with the inner wall of the injector, so that the leakage-proof performance is achieved, and meanwhile, the connecting rod made of rubber is uniformly arranged in the connecting block, and the rubber has certain elasticity, so that the pressure transmitted when the first sealing ring is pushed can be reduced, and the integrity of the connecting block and the second sealing ring in use is ensured.

3. According to the utility model, the positioning block and the piston are mutually bonded through the nano-adhesive, the nano-adhesive is utilized to enhance the connectivity between the positioning block and the piston, so that the integrity performance is enhanced, the fixture block fixed at the bottom of the piston is clamped in the clamping groove formed in the positioning block, and the firm positioning performance between the piston and the positioning block can be enhanced through the arrangement of the clamping groove and the fixture block, so that the positioning block is prevented from falling off from the end part of the piston in the drawing process.

Drawings

FIG. 1 is a schematic view showing the overall structure of a disposable syringe piston pump having a leakage preventing structure according to the present invention;

FIG. 2 is a schematic perspective view of a first seal ring of a disposable syringe piston pump with a leakage prevention structure according to the present invention;

fig. 3 is a schematic view of the internal structure of a positioning block of a disposable syringe piston pump with a leakage-proof structure according to the present invention.

In the figure: 1. a fixed cavity; 2. a connecting plug; 3. a fixed block; 4. a leak-proof assembly; 401. connecting blocks; 402. a first seal ring; 403. a connecting rod; 404. a second seal ring; 5. an anti-drop assembly; 501. a piston; 502. nano glue; 503. a clamping block; 504. a card slot; 505. positioning blocks; 6. a push rod; 7. pushing the plate; 8. a non-slip mat.

Detailed Description

As shown in fig. 1, a disposable syringe piston pump having a leakage prevention structure includes: a fixed cavity 1; further comprising: the connecting plug 2 is arranged in the middle of the top end of the fixed cavity 1; the fixed cavity 1 is fixedly connected with the connecting plug 2, vertical central axes among the fixed cavity 1, the connecting plug 2 and the fixed block 3 are coincident, the connecting plug 2 is fixed at the top of the fixed cavity 1, and residual liquid in a needle cylinder at the top of the injector can be completely pushed by the connecting plug 2, so that the residual liquid is prevented from remaining in the injector, and waste is avoided; the fixed block 3 is arranged at the bottom of the fixed cavity 1, a leakage-proof assembly 4 is arranged at the bottom of the fixed block 3, and an anti-falling assembly 5 is arranged at the bottom of the leakage-proof assembly 4; the push rod 6 is arranged at the bottom of the anti-falling component 5, and a push plate 7 is fixed at the bottom of the push rod 6; the anti-slip pad 8 is attached to the bottom of the push plate 7; for adhesive connection between push pedal 7 and slipmat 8, and be fixed connection between push pedal 7 and the push rod 6, bond slipmat 8 in the bottom of push pedal 7, utilize slipmat 8, can increase the area of contact of push pedal 7 and desktop to play the non-slip performance to whole device, guarantee the stationarity when the syringe is placed.

As shown in fig. 2, connection block 401; a first sealing ring 402 attached to the top of the connecting block 401, a connecting rod 403 arranged inside the connecting block 401, and a second sealing ring 404 attached to the bottom of the connecting block 401; connecting block 401 respectively with first sealing washer 402, be adhesive connection between the second sealing washer 404, and connecting rod 403 evenly distributed sets up in connecting block 401's inside, bond each other through connecting block 401 between first sealing washer 402 and the second sealing washer 404, utilize first sealing washer 402, the setting of second sealing washer 404, area of contact between can strengthen and the syringe inner wall, with this play leak-proof performance, simultaneously with the connecting rod 403 of rubber material even arrange connecting block 401 inside in, because the rubber material has certain elasticity, consequently, the pressure that transmits when can promote first sealing washer 402 plays the decompression effect, with this integrality when guaranteeing connecting block 401, second sealing washer 404 uses.

As shown in fig. 3, a piston 501; a fixture block 503 which is arranged in the middle of the bottom end of the piston 501, a clamping groove 504 is arranged on the outer wall of the periphery of the piston 501, a positioning block 505 is arranged on the outer wall of the clamping groove 504, and the top end of the positioning block 505 is attached with the nanometer glue 502; the nanometer glue 502 is respectively in adhesive connection with the positioning block 505 and the piston 501, the vertical central axis between the positioning block 505 and the piston 501 is overlapped, the positioning block 505 and the piston 501 are mutually adhered through the nanometer glue 502, and the nanometer glue 502 is utilized to enhance the connectivity between the positioning block 505 and the piston 501, so that the integrity performance is enhanced; piston 501 and fixture block 503 are fixedly connected, fixture block 503 forms a clamping structure with positioning block 505 through clamping groove 504, fixture block 503 fixed at the bottom of piston 501 is clamped in clamping groove 504 formed in positioning block 505, and through the arrangement of clamping groove 504 and fixture block 503, the firm positioning performance between piston 501 and positioning block 505 can be enhanced, and the situation that positioning block 505 falls off from the end of piston in the drawing process is avoided.

In summary, in the disposable syringe piston pump with the leakage-proof structure, when in use, the fixture block 503 fixed at the bottom of the piston 501 is firstly clamped in the clamping groove 504 formed in the positioning block 505, the firm positioning between the piston 501 and the positioning block 505 can be increased by the arrangement of the clamping groove 504 and the fixture block 503, so as to avoid the positioning block 505 falling off from the end of the piston during the drawing process, meanwhile, the nano-gel 502 is bonded to the bottom of the piston 501 and the top of the positioning block 505, the connection between the positioning block 505 and the piston 501 can be enhanced by the nano-gel 502, so as to enhance the integrity performance, then, since the first sealing ring 402 and the second sealing ring 404 are bonded to each other by the connecting block 401, the contact area between the first sealing ring 402 and the inner wall of the syringe can be enhanced by the arrangement of the first sealing ring 402 and the second sealing ring 404, so as to achieve the leakage-proof performance, and meanwhile, the connecting rod 403 made of rubber is uniformly arranged in the connecting block 401, because the rubber material has certain elasticity, consequently, the pressure that transmits when can promoting first sealing washer 402 plays the decompression effect, with this guarantee connecting block 401, integrality when second sealing washer 404 uses, later will connect stopper 2 and be fixed in the top of fixed chamber 1, utilize and connect stopper 2, can play whole promotion to remaining liquid in the syringe top cylinder, avoid remaining liquid to remain inside the syringe, thereby cause the waste, bond slipmat 8 in the bottom of push pedal 7 at last, utilize slipmat 8, can increase the area of contact of push pedal 7 and desktop, thereby play skid resistance to whole device, the stationarity when guaranteeing the syringe and placing.

Claims

1. A disposable syringe piston pump with a leak-proof structure, comprising:

a fixed chamber (1);

it is characterized by also comprising:

the connecting plug (2) is arranged in the middle of the top end of the fixing cavity (1);

the fixing block (3) is arranged at the bottom of the fixing cavity (1), a leakage-proof assembly (4) is installed at the bottom of the fixing block (3), and an anti-falling assembly (5) is installed at the bottom of the leakage-proof assembly (4);

the push rod (6) is arranged at the bottom of the anti-falling assembly (5), and a push plate (7) is fixed at the bottom of the push rod (6);

and the non-slip pad (8) is attached to the bottom of the push plate (7).

2. Disposable syringe piston pump with leakage prevention according to claim 1, characterized by that the fixed cavity (1) and the connection plug (2) are fixedly connected, and the vertical central axes between the fixed cavity (1), the connection plug (2) and the fixed block (3) coincide.

3. The disposable syringe piston pump with a leakage prevention structure as recited in claim 1, wherein the push plate (7) is bonded to the anti-slip pad (8), and the push plate (7) is fixedly connected to the push rod (6).

4. Disposable syringe piston pump with leakage prevention structure according to claim 1, characterized in that the leakage prevention assembly (4) comprises:

a connection block (401);

the connecting piece (401) comprises a first sealing ring (402) attached to the top of the connecting block (401), a connecting rod (403) is arranged inside the connecting block (401), and a second sealing ring (404) is attached to the bottom of the connecting block (401).

5. Disposable syringe piston pump with leakage prevention according to claim 4, characterized in that the connection block (401) is adhesively connected to the first and second seal rings (402, 404), respectively, and the connection rods (403) are uniformly distributed and disposed inside the connection block (401).

6. A disposable syringe piston pump with a leakage prevention structure in accordance with claim 1, characterized in that said drop-off preventive member (5) comprises:

a piston (501);

the clamping block (503) is arranged in the middle of the bottom end of the piston (501), clamping grooves (504) are formed in the peripheral outer wall of the piston (501), positioning blocks (505) are arranged on the outer wall of the clamping grooves (504), and the top ends of the positioning blocks (505) are attached with the nanometer glue (502).

7. The disposable syringe piston pump with the leakage-proof structure is characterized in that the nanometer glue (502) is respectively connected with the positioning block (505) and the piston (501) in an adhesive way, and the vertical central axes between the positioning block (505) and the piston (501) are coincident.

8. The disposable syringe piston pump with the leakage prevention structure as recited in claim 6, wherein the piston (501) is fixedly connected with the latch (503), and the latch (503) forms a snap-fit structure with the positioning block (505) through the snap-fit groove (504).