CN217886680U

CN217886680U - Linkage type injection pump

Info

Publication number: CN217886680U
Application number: CN202220001332.1U
Authority: CN
Inventors: 管赵峰; 余海峰
Original assignee: Suzhou Deze Medical Equipment Co ltd
Current assignee: Suzhou Deze Medical Equipment Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-11-25
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a linkage type syringe pump, can't link to carry out the problem of injection to the syringe of different medicament capacity, the utility model provides following technical scheme, including the board that is used for placing the syringe, the lead screw of being connected is rotated with the board, be fixed in the board and with the motor of lead screw connection, still include the convex block that is used for promoting the syringe with lead screw sliding connection, guide pillar with board fixed connection, be used for promoting the L-shaped piece of another syringe with guide pillar sliding connection, guide pillar and lead screw parallel arrangement, the convex block slides with L-shaped piece butt and promotion L-shaped piece, the L-shaped piece is two and sets up the both sides at the convex block, still including setting up the fastening assembly who is used for fastening L-shaped piece and convex block on the L-shaped piece, realized that a motor can promote the syringe of three different doses of dosing simultaneously and inject, increased application scope.

Description

Linkage type injection pump

Technical Field

The utility model relates to a medical medicament injection apparatus, more specifically says that it relates to a linkage type syringe pump.

Background

The syringe is a common medical appliance, and as shown in fig. 1, comprises an empty cylinder 12, a piston rod 14 connected with the empty cylinder 12 in a sliding manner, a wing plate 13 arranged at an opening of the empty cylinder 12, and a piston handle 15 arranged at the tail part of the piston rod 14.

The syringe pump is a piston handle who is used for promoting the syringe and injects the infusion to realize the high accuracy, steady no pulsatory liquid transmission's device, the syringe pump with a small amount of liquid medicine accuracy, trace, even, continuously pump into internally, the simple operation, regularly, the ration can adjust medicine concentration, speed at any time according to the state of an illness needs, make the medicine can keep effective blood concentration in vivo, utilize the micropump to salvage critical patient, can alleviate nurse's work load, improve work efficiency. The existing injection pump can only drive one injector, but sometimes a plurality of injectors containing different medicaments are required to be injected together to meet the requirements of patients.

At present, chinese patent application No. 202020652111.1 discloses a multichannel coordinated type syringe pump, and it includes movable block, lead screw, fixed block, first threaded rod and control cabinet, one side fixedly connected with fixed block on control cabinet top, the intermediate position department swing joint on control cabinet top has the movable block, the inside top of movable block runs through there is the fixture block, one side of movable block is provided with fixed knot and constructs, the opposite side fixedly connected with standing groove on control cabinet top, the first threaded rod of intermediate position department fixedly connected with on one side of the fixed block.

Although the multi-channel linkage type injection pump can be used for injecting by pushing a plurality of injectors simultaneously, the volumes of medicaments in the injectors are different sometimes, so that the positions of piston rods are different, the piston rods of the injectors are not flush, and the movable block cannot effectively push the piston rods of the injectors to perform infusion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a linkage type syringe pump has the syringe of the different doses of dosing of linkage and carries out the advantage of injecting.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a linkage type syringe pump, including be used for placing the board of syringe, with the board rotates the lead screw of connecting, be fixed in the board and with the motor that the lead screw is connected, still include with lead screw sliding connection is used for promoting the convex block of syringe, with board fixed connection's guide pillar, with guide pillar sliding connection is used for promoting the L-shaped piece of another syringe, the guide pillar with lead screw parallel arrangement, the convex block with L-shaped piece butt promotes the L-shaped piece slides, the L-shaped piece is two and sets up the both sides of convex block, still including setting up on the L-shaped piece be used for fastening the L-shaped piece with the fastening assembly of convex block.

Adopt above-mentioned technical scheme, because the syringe doses of dosing are different, the length that the piston rod stretches out is also different, the convex piece can be connected with the syringe of different doses of dosing with the L-shaped piece, the motor operation can move through lead screw drive convex piece, make the convex piece can promote the syringe and dose, the convex piece can with L-shaped piece butt under the drive of lead screw, thereby promote another syringe through the L-shaped piece and dose, two L-shaped pieces cooperate simultaneously, it can promote three different syringes of doses of dosing simultaneously to have realized that a motor injects, application scope has been increased.

Furthermore, the fastening assembly comprises a pin shaft arranged in the L-shaped block and connected with the L-shaped block in a sliding mode and a toggle sheet fixedly connected with the pin shaft, and the moving direction of the pin shaft is perpendicular to that of the L-shaped block.

Adopt above-mentioned technical scheme, promote the setting aside piece and drive the round pin axle and slide and wear into the convex block along L-shaped piece, can be in the same place the fastening of convex block and L-shaped piece, when the extraction medicament, L-shaped piece and convex block can synchronous movement behind the locking fastening assembly, treat that an syringe extraction finishes the back, loosen fastening assembly, another syringe moves along with the convex block and continues to extract the medicament, has realized the extraction of a plurality of syringes to different dosage medicament doses.

Furthermore, the pin shafts are arranged side by side in two and are fixedly connected with the stirring pieces.

By adopting the technical scheme, the pin shafts are arranged into two pins, so that the shearing stress applied to a single pin shaft when the single pin shaft moves along with the convex block can be reduced, and the pin shaft is prevented from being broken.

Further, a clamping assembly used for clamping the empty cylinder is arranged on the machine table, the clamping assembly comprises a pressing plate abutted against the empty cylinder and a bolt connected with the machine table, and the bolt penetrates through the pressing plate.

Adopt above-mentioned technical scheme, clamping assembly can compress tightly the empty section of thick bamboo of syringe, prevents that convex block and L-shaped piece from leading to the syringe to slide when promoting the piston handle.

Further, a rubber pad is arranged on the bottom surface of the pressing plate and is abutted against the hollow cylinder.

By adopting the technical scheme, the rubber pad can increase the friction force between the pressing plate and the empty barrel, and the syringe is prevented from sliding.

Further, the convex block with be equipped with the centre gripping subassembly that is used for the centre gripping piston rod on the L-shaped block, the centre gripping subassembly include the box body, with the box body rotates the gear of being connected, with gear engagement and wear out the rack of box body, with the box body and the pressure spring of rack butt, the gear is two and is located the both sides of rack, be equipped with on the gear along with gear revolve's clamping jaw.

By adopting the technical scheme, the pushing rack can drive the two gears to rotate, the two gears drive the clamping jaws to rotate simultaneously, the two clamping jaws are opened to place the piston handle, the rack is pushed back to reset after the pressure spring is pressed, the clamping jaws continue to rotate along with the second gear, the piston handle of the injector is clamped and fixed by the two clamping jaws, and the operation is simple.

Furthermore, one end of the rack penetrating out of the box body is provided with a rubber cap.

By adopting the technical scheme, the rubber cap can facilitate operators to press the rack to enable the rack to move, and the pressing comfort level is improved.

Further, a fixing groove is arranged on the machine table, and a wing plate of the injector is embedded in the fixing groove.

Adopt above-mentioned technical scheme, the pterygoid lamina of syringe is set in the fixed slot, and pterygoid lamina and fixed slot butt have played spacing effect, prevent that the syringe from sliding.

To sum up, the utility model discloses following beneficial effect has:

1. the convex block and the L-shaped block are connected with injectors with different administration doses, the motor can drive the convex block to move through the lead screw, the convex block pushes the injectors to administer the drugs, the protruding lengths of piston rods are different due to different doses of different injectors, the convex block can be abutted against the L-shaped block under the driving of the lead screw, so that the other injector is pushed to administer the drugs through the L-shaped block, the purpose that one motor can simultaneously push three injectors with different administration doses to inject is achieved, and the application range is enlarged;

2. when extracting the medicament, L-shaped piece and convex block can synchronous motion behind the locking fastening assembly, treat that an syringe extraction finishes the back, loosen fastening assembly, another syringe continues to extract the medicament along with convex block removal, has realized the extraction of a plurality of syringes to different dosage medicament doses, simultaneously, can connect into a whole with L-shaped piece and convex block through fastening assembly, can carry out synchronous propelling movement when a plurality of syringe doses are the same.

Drawings

FIG. 1 is a schematic view of the structure of the syringe;

FIG. 2 is a schematic view of the structure of the utility model;

FIG. 3 is a cross-sectional view of the clamping assembly of the present invention;

fig. 4 is a schematic structural view of the fastening assembly of the present invention.

In the figure: 1. a machine platform; 11. an electric motor; 12. an empty cartridge; 13. a wing plate; 14. a piston rod; 15. a piston handle; 2. a screw rod; 3. a convex block; 4. a guide post; 5. an L-shaped block; 6. a fastening assembly; 61. a pin shaft; 62. a toggle sheet; 7. a clamping assembly; 71. pressing a plate; 72. a bolt; 73. a guide post; 74. a rubber pad; 8. fixing grooves; 9. a clamping assembly; 91. a box body; 92. a gear; 93. a rack; 94. a pressure spring; 95. a clamping jaw; 96. a retainer ring; 97. a rubber cap.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

The utility model provides a linkage type syringe pump, as shown in fig. 2, a syringe for the different doses of dosing of linkage injects, including the board 1 that is used for placing the syringe, lead screw 2, motor 11, wherein, lead screw 2 rotates with board 1 to be connected, motor 11 is fixed in on board 1 and is connected with lead screw 2, still including the convex block 3 that is used for promoting the syringe, guide pillar 4, the L-shaped piece 5 that is used for promoting another syringe, a fastening assembly 6 that is used for fastening L-shaped piece 5 and convex block 3, wherein, convex block 3 and lead screw 2 sliding connection, guide pillar 4 and board 1 fixed connection, L-shaped piece 5 and guide pillar 4 sliding connection, L-shaped piece 5 is two and sets up in the both sides of convex block 3, fastening assembly 6 sets up on L-shaped piece 5.

Specifically, as shown in fig. 2, the machine table 1 is a stepped square platform, the guide posts 4 are arranged in parallel with the screw rod 2, the convex blocks 3 are abutted to the L-shaped blocks 5 and push the L-shaped blocks 5 to slide, the guide posts 4 are located on two sides of the screw rod 2, and each side of the guide posts is provided with two guide posts 4.

As shown in fig. 1 and 2, a clamping assembly 7 for clamping the empty cylinder 12 is installed on the machine table 1, the clamping assembly 7 includes a pressing plate 71, bolts 72 and guide posts 73, wherein the pressing plate 71 is an elongated plate, a rubber pad 74 is installed on the bottom surface of the pressing plate 71, the rubber pad 74 abuts against the empty cylinder 12 of the injector, the bolts 72 pass through the pressing plate 71 and then are connected with the machine table 1, in this embodiment, the two bolts 72 are located at two ends of the pressing plate 71, the guide posts 73 are fixedly connected with the machine table 1, the guide posts 73 pass through the pressing plate 71 to facilitate the passing of the pressing plate 71, the guide posts 73 guide the pressing plate 71, and the pressing plate 71 slides along the guide posts 73 and is fastened with the bolts 72 after abutting against the empty cylinder 12 of the injector, so as to clamp the empty cylinder 12.

As shown in fig. 1 and 2, a fixing groove 8 is installed on a machine table 1, the fixing groove 8 is a U-shaped groove, the fixing groove 8 is located at both sides of the injector, a wing plate 13 of the injector is embedded in the fixing groove 8, and the wing plate 13 abuts against the groove wall of the fixing groove 8 to prevent the injector from slipping.

As shown in fig. 1 and 3, a clamping assembly 9 for clamping a piston rod 14 of a syringe is disposed on the convex block 3 (see fig. 2) and the L-shaped block 5 (see fig. 2), the clamping assembly 9 includes a box body 91, a gear 92, a rack 93, a compression spring 94, and jaws 95, wherein the box body 91 is a square housing, the gear 92 is mounted in the box body 91 and rotatably connected to the box body 91, the rack 93 is engaged with the rack 93 and penetrates out of the box body 91, the two gears 92 are disposed on two sides of the rack 93, the jaws 95 penetrate through the box body 91 and are connected to the gear 92, the jaws 95 rotate with the rotation of the gear 92 to ensure that the jaws 95 can clamp the piston rod 14 of the syringe after a piston handle 15 of the syringe abuts against the box body 91, the rack 93 is sleeved with a retainer 96, the retainer 96 is fixedly connected to the rack 93, the compression spring 94 is disposed in the box body 91 and abuts against the retainer 96 on the rack 93, the retainer 94 on the rack 91 and the rack 93, the compression spring 94 compresses the jaws 95 to open the jaws 95 when the rack 93 is pushed, the compression spring 94 is rotated to clamp the piston rod 14, and one end of the rack 93 that the rubber cap is mounted on the box body 91 to press a human operator to improve comfort level.

As shown in fig. 2 and 4, the fastening assembly 6 includes a pin 61 and a toggle piece 62, the pin 61 is cylindrical, the pin 61 is disposed in the L-shaped block 5 and slidably connected to the L-shaped block 5, the toggle piece 62 is fixedly connected to the pin 61 and penetrates out of the L-shaped block 5, the moving direction of the pin 61 is perpendicular to the moving direction of the L-shaped block 5, in this embodiment, the pins 61 are disposed in two rows, and the toggle piece 62 is pushed to drive the pin 61 to move toward the convex block 3 until the pin 61 is inserted into the convex block 3.

The working process and principle of the embodiment are as follows:

when the utility model is used, as shown in fig. 1 and 2, a plurality of syringes are respectively placed on the machine platform 1 and the empty cylinders 12 of the syringes are clamped through the clamping components 7, the wing plates 13 of the syringes are embedded in the fixing grooves 8, the fastening components 6 are locked, the L-shaped blocks 5 and the convex blocks 3 are connected into a whole, the piston rods 14 of the syringes are clamped by the clamping components 9 in the L-shaped blocks 5 and the convex blocks 3, the motors 11 operate to pull the syringes to extract the medicament, after a certain syringe meets the required dosage, the fastening components 6 are loosened, the L-shaped blocks 5 do not move along with the convex blocks 3 and the other L-shaped blocks 5, the syringes reach the required dosage respectively, then the motors 11 operate to push the syringes to inject through the convex blocks 3, because the dosages of different syringes are different, the lengths of the piston rods 14 are also different, the convex blocks 3 can abut against the L-shaped blocks 5 under the driving of the screw rod 2, thereby pushing another syringe to inject the medicament through the L-shaped blocks 5, and realizing that one motor 11 can simultaneously push three syringes with different dosages to inject.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The utility model provides a linkage type syringe pump, including be used for placing board (1) of syringe, with lead screw (2) that board (1) rotate to be connected, be fixed in board (1) and with motor (11) that lead screw (2) are connected, its characterized in that: still include with lead screw (2) sliding connection be used for promoting convex block (3) of syringe, with board (1) fixed connection's guide pillar (4), with guide pillar (4) sliding connection is used for promoting L shape piece (5) of another syringe, guide pillar (4) with lead screw (2) parallel arrangement, convex block (3) with L shape piece (5) butt and promotion L shape piece (5) slide, L shape piece (5) are two and set up the both sides of convex block (3), still including setting up on L shape piece (5) be used for fastening L shape piece (5) with fastening component (6) of convex block (3).

2. A linked syringe pump of claim 1, wherein: the fastening assembly (6) comprises a pin shaft (61) which is arranged in the L-shaped block (5) and is in sliding connection with the L-shaped block (5), and a toggle sheet (62) which is fixedly connected with the pin shaft (61), wherein the moving direction of the pin shaft (61) is vertical to the moving direction of the L-shaped block (5).

3. A linked syringe pump of claim 2, wherein: the pin shafts (61) are arranged in parallel and are fixedly connected with the poking sheets (62).

4. A linked syringe pump of claim 2, wherein: the machine table (1) is provided with a clamping assembly (7) for clamping the hollow cylinder (12), the clamping assembly (7) comprises a pressing plate (71) abutted against the hollow cylinder (12) and a bolt (72) connected with the machine table (1), and the bolt (72) penetrates through the pressing plate (71).

5. A linked syringe pump of claim 4, wherein: a rubber pad (74) is arranged on the bottom surface of the pressing plate (71), and the rubber pad (74) is abutted to the hollow cylinder (12).

6. A linked syringe pump of claim 4, wherein: convex block (3) with be equipped with on L-shaped piece (5) and be used for centre gripping subassembly (9) of centre gripping piston rod (14), centre gripping subassembly (9) including box body (91), with box body (91) rotate gear (92) of being connected, with gear (92) meshing and wear out rack (93) of box body (91), with box body (91) and pressure spring (94) of rack (93) butt, gear (92) are two and are located the both sides of rack (93), be equipped with on gear (92) along with gear (92) pivoted clamping jaw (95).

7. A linked syringe pump of claim 6, wherein: one end of the rack (93) penetrating through the box body (91) is provided with a rubber cap (97).

8. A linked syringe pump of claim 6, wherein: a fixing groove (8) is arranged on the machine table (1), and a wing plate (13) of the injector is embedded in the fixing groove (8).