CN220339595U

CN220339595U - Negative pressure leakage detector for injector

Info

Publication number: CN220339595U
Application number: CN202321857759.2U
Authority: CN
Inventors: 方伟平
Original assignee: Guangzhou Chenrui Intelligent Equipment Co ltd
Current assignee: Guangzhou Chenrui Intelligent Equipment Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-12
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a negative pressure leakage detector of an injector, which comprises a rack and a vacuumizing sleeve, wherein a plurality of groups of fixing components are arranged at the front end of the rack, an injector main body is fixedly arranged on the fixing components, the fixing components comprise a linear driving base, and a first side clamping arm and a second side clamping arm are arranged on one side of the linear driving base; the multiple groups of fixing assemblies can simultaneously fix multiple groups of syringe bodies to be detected, each group of fixing assemblies can clamp and fix the syringe bodies with different specifications, the device is suitable for the syringe bodies with different specifications, the application range is wide, the driving mode of the fixing assemblies is electric, the syringe is not required to be fixed by manually using a fastener, the assembly and the disassembly of the syringe are convenient and quick, the fixing efficiency of the syringe is improved, the operation is simple, the time and the labor are saved, and the fixing efficiency and the detection efficiency are improved when the detection operation of a large number of syringes with different specifications is carried out.

Description

Negative pressure leakage detector for injector

Technical Field

The utility model relates to the technical field of syringe detection, in particular to a syringe negative pressure leakage detector.

Background

The disposable sterile syringe is a common instrument for clinical medical treatment, the medicine to be injected is sucked into the syringe in advance and is applied to subcutaneous injection, the sterile syringe product has strict and definite regulation, and the body tightness of the disposable sterile syringe is required to be detected so as to ensure the product quality and medication safety.

The conventional syringe tightness tester can only fix the syringes with the same specification in the use process, and the fixing mode is manual, so that the syringes to be detected need to be assembled and disassembled manually, the operation process is complex, time and labor are wasted, and the detection efficiency is low when the detection operation of the syringes with different specifications is performed in a large batch.

Disclosure of Invention

The utility model aims to provide a negative pressure leakage detector for an injector, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injector negative pressure leakage detector, includes frame and evacuation cover, the multiunit fixed subassembly is installed to the front end of frame, fixed subassembly is last to be fixedly provided with the syringe main part, fixed subassembly includes the linear drive base, one side of linear drive base is provided with first side arm and second side arm, all be connected through the actuating arm between linear drive base and first side arm and the second side arm.

The clamping arms on the first side and the clamping arms on the second side comprise two groups of clamping plates, the two groups of clamping plates are respectively distributed up and down and are connected through vertical rods, an adjusting plate is arranged on the inner side of each clamping plate, and springs are arranged between the adjusting plate and the clamping plates.

Wherein, the lower extreme of straight line drive base is installed and is placed the board.

The syringe main body comprises a cylinder body and a piston rod, clamping plates below the first side clamping arm and the second side clamping arm are respectively located at two sides of the piston rod, clamping plates above the first side clamping arm and the second side clamping arm are respectively located at two sides of the cylinder body, and the placing plate is located at the bottom end of the piston rod.

The linear driving base comprises a motor, a bidirectional screw rod is mounted in the linear driving base, a sliding sleeve is sleeved on the bidirectional screw rod, a sliding groove is formed in the outer side face of the linear driving base, a driving arm penetrates through the sliding groove and is fixedly connected with the sliding sleeve, and the driving arm is in sliding connection with the sliding groove.

Wherein, one end of the vacuumizing sleeve is provided with an elastic ring.

Wherein, the other end of the vacuumizing sleeve is provided with an air suction hose.

Wherein, install face guard, control base and shelves strip in the frame, and pass through hinge swivelling joint between frame and the face guard.

Compared with the prior art, the utility model has the beneficial effects that:

1. the multiple groups of fixing assemblies can simultaneously fix multiple groups of syringe bodies to be detected, each group of fixing assemblies can clamp and fix syringe bodies of different specifications, and the device is suitable for the syringe bodies of different specifications and has a wide application range.

2. The fixing assembly is driven electrically, the injector is fixed without using a fastener manually, the injector is convenient and quick to assemble and disassemble, the fixing efficiency of the injector is improved, the operation is simple, the time and the labor are saved, the fixing efficiency is improved when the detection operation of a large number of injectors with different specifications is carried out, and the detection efficiency is further improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a right side view of the fixing assembly of the present utility model;

FIG. 4 is a schematic view of the left side of the fixing assembly of the present utility model;

fig. 5 is a schematic structural view of the vacuum pumping sleeve of the present utility model.

In the figure: 1. a frame; 2. a fixing assembly; 3. a syringe body; 4. a linear drive base; 5. placing a plate; 6. a first side gripping arm; 7. a second side clamping arm; 8. a driving arm; 9. a clamping plate; 10. an adjusting plate; 11. a spring; 12. a cylinder; 13. a piston rod; 14. a vertical rod; 15. a motor; 16. vacuumizing the sleeve; 17. an elastic ring; 18. an air extraction hose; 19. a face mask; 20. a control base; 21. and (5) a stop bar.

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.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an injector negative pressure leakage detector, including frame 1 and evacuation cover 16, multiunit fixed subassembly 2 is installed to frame 1's front end, fixed subassembly 2 is last to be fixedly provided with syringe main part 3, fixed subassembly 2 includes linear drive base 4, one side of linear drive base 4 is provided with first side centre gripping arm 6 and second side centre gripping arm 7, all be connected through actuating arm 8 between linear drive base 4 and first side centre gripping arm 6 and the second side centre gripping arm 7, multiunit fixed subassembly 2 can fix multiunit syringe main part 3 that wait to detect simultaneously, and every fixed subassembly 2 of group all can the centre gripping fix the syringe main part 3 of different specifications, be applicable to the syringe main part 3 of different specification types, application scope is big, make the detector can carry out the seal nature test to the syringe main part 3 of different specification different batches, convenient to use.

The clamping mode of the fixing assembly 2 is clamping and fixing of clamping arms, the first side clamping arm 6 and the second side clamping arm 7 are mutually close to clamp and fix the syringe main body 3, and the first side clamping arm 6 and the second side clamping arm 7 are mutually far away from each other to release the fixation of the syringe main body 3.

Wherein, first side centre gripping arm 6 and second side centre gripping arm 7 all include two sets of grip blocks 9, two sets of grip blocks 9 distribute from top to bottom respectively, and connect through montant 14, the inboard of grip block 9 is provided with regulating plate 10, install spring 11 between regulating plate 10 and the grip block 9, be elastic connection between regulating plate 10 and the grip block 9, when fixed syringe main part 3, inboard regulating plate 10 is first with syringe main part 3 contact, continue locking after the contact, spring 11 is compressed, there is certain difference in barrel 12 and piston rod 13 maximum diameter of syringe main part 3, this difference is compensatied by spring 11's compression set, make upper and lower two sets of regulating plate 10 can hug closely the outside at barrel 12 and piston rod 13 simultaneously, realize fixing the while of barrel 12 and piston rod 13, realized the firm to syringe main part 3 promptly.

Wherein the lower end of the linear driving base 4 is provided with a placement plate 5, and the syringe body 3 is placed on the upper end of the placement plate 5 in the manner shown in fig. 3 before the syringe body 3 is fixed.

The syringe main body 3 comprises a cylinder 12 and a piston rod 13, clamping plates 9 below a first side clamping arm 6 and a second side clamping arm 7 are respectively located on two sides of the piston rod 13, clamping plates 9 above the first side clamping arm 6 and the second side clamping arm 7 are respectively located on two sides of the cylinder 12, a placing plate 5 is located at the bottom end of the piston rod 13, when the first side clamping arm 6 and the second side clamping arm 7 are mutually close, the clamping plates 9 are mutually close synchronously, and an adjusting plate 10 on the inner side of the clamping plates 9 is tightly attached to the outside of the cylinder 12 and the piston rod 13, so that clamping and fixing of the cylinder 12 and the piston rod 13 are realized.

Wherein, linear drive base 4 includes motor 15, linear drive base 4's internally mounted has two-way lead screw, and the cover is equipped with the sliding sleeve on the two-way lead screw, the spout has been seted up on the lateral surface of linear drive base 4, and actuating arm 8 runs through the spout, and fixed connection between with the sliding sleeve, the sliding sleeve sets up two sets of sliding sleeve symmetry settings, and sliding connection between actuating arm 8 and the spout, motor 15 work drive two-way lead screw rotates, the sliding sleeve drives actuating arm 8 and slides along the spout, two sets of sliding sleeves drive two sets of actuating arms 8 respectively, two sets of actuating arms 8 drive first side arm 6 and second side arm 7 respectively, make first side arm 6 and second side arm 7 can be close to each other or keep away from each other.

Wherein, when the motor 15 rotates forward, the first side clamping arm 6 and the second side clamping arm 7 are close to each other, and when the motor 15 rotates backward, the first side clamping arm 6 and the second side clamping arm 7 are far away from each other.

The fixed subassembly 2's driving means is electronic, need not the fixed syringe main part 3 of manual use fastener, and it is convenient and quick to install and remove syringe main part 3, has improved the fixed efficiency to syringe main part 3, easy operation, labour saving and time saving improves fixed efficiency when carrying out the detection operation of the different specification syringes in batches, and then improves detection efficiency.

One end of the vacuumizing sleeve 16 is provided with an elastic ring 17, the elastic ring 17 has certain elastic force, can be fixed on the conical heads of the syringe main bodies 3 with different specifications, ensures the tightness of the joint, and is suitable for various syringe main bodies 3.

The other end of the vacuumizing sleeve 16 is provided with a vacuumizing hose 18, one end of the vacuumizing hose 18 is connected with a vacuumizing machine, and the vacuumizing machine automatically sucks air to perform negative pressure leakage detection.

Wherein, install face guard 19, control base 20 and shelves strip 21 on frame 1, and rotate through the hinge between frame 1 and the face guard 19 and be connected, during the detection, overturn face guard 19 downwards, improve the security when detecting, control base 20 respectively with the vacuum extractor, negative pressure sensor and display screen between electric connection, frame 1 inside is provided with detection mechanism.

Working principle: when in use, the injector main body 3 to be detected is fixed, the injector main body 3 is arranged at the upper end of the placing plate 5 in a mode shown in figure 3, the motor 15 works to drive the bidirectional screw rod to rotate, the sliding sleeve drives the driving arm 8 to slide along the sliding groove, the two groups of sliding sleeves respectively drive the two groups of driving arms 8, the two groups of driving arms 8 respectively drive the first side clamping arm 6 and the second side clamping arm 7, the first side clamping arm 6 and the second side clamping arm 7 are close to each other, the injector main body 3 is clamped and fixed, when the injector main body 3 is fixed, the inner adjusting plate 10 is firstly contacted with the injector main body 3 and then is continuously locked, the spring 11 is compressed, a certain difference exists between the maximum diameters of the cylinder 12 and the piston rod 13 of the injector main body 3, the difference is compensated by the compression deformation of the spring 11, so that the upper adjusting plate 10 and the lower adjusting plate 10 can be simultaneously clung to the outside of the cylinder 12 and the piston rod 13, the fixing of the syringe main body 3 is realized, after the fixing is completed, the vacuumizing sleeve 16 is fixed on the conical head of the syringe main body 3, the elastic ring 17 ensures the tightness of the joint, the tester is connected with a power supply, a power supply switch is turned on, after the digital meter displayed by negative pressure is stable, a start button is pressed down, the vacuumizing machine automatically pumps air until the negative pressure display number is expressed to 88KPa, the pumping air is automatically stopped, the maintaining time is 60S, during the period, whether the bubble phenomenon is generated at the contact part of the cylinder 12 and the piston, the piston and the core rod cannot be separated, the negative pressure display number does not exceed the original display value of 0.5KPa, after the detection is completed, the first side clamping arm 6 and the second side clamping arm 7 are mutually separated under the driving of the motor 15, the fixing of the syringe main body 3 is released, and the syringe main body 3 is taken down.

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

1. The utility model provides an injector negative pressure leak detector, includes frame (1) and evacuation cover (16), its characterized in that: the front end of frame (1) is installed multiunit fixed subassembly (2), fixed syringe main part (3) that are provided with on fixed subassembly (2), fixed subassembly (2) are including sharp drive base (4), one side of sharp drive base (4) is provided with first side centre gripping arm (6) and second side centre gripping arm (7), all be connected through actuating arm (8) between sharp drive base (4) and first side centre gripping arm (6) and second side centre gripping arm (7).

2. The syringe negative pressure leak detector of claim 1, wherein: the first side clamping arm (6) and the second side clamping arm (7) comprise two groups of clamping plates (9), the two groups of clamping plates (9) are respectively distributed up and down and are connected through vertical rods (14), an adjusting plate (10) is arranged on the inner side of the clamping plates (9), and springs (11) are arranged between the adjusting plate (10) and the clamping plates (9).

3. The syringe negative pressure leak detector of claim 2, wherein: the lower end of the linear driving base (4) is provided with a placing plate (5).

4. A syringe negative pressure leak detector as defined in claim 3, wherein: the syringe main body (3) comprises a barrel body (12) and a piston rod (13), clamping plates (9) below the first side clamping arm (6) and the second side clamping arm (7) are respectively located on two sides of the piston rod (13), clamping plates (9) above the first side clamping arm (6) and the second side clamping arm (7) are respectively located on two sides of the barrel body (12), and the placing plate (5) is located at the bottom end of the piston rod (13).

5. The syringe negative pressure leak detector of claim 1, wherein: the linear driving base (4) comprises a motor (15), a bidirectional screw rod is mounted in the linear driving base (4), a sliding sleeve is sleeved on the bidirectional screw rod, a sliding groove is formed in the outer side face of the linear driving base (4), a driving arm (8) penetrates through the sliding groove and is fixedly connected with the sliding sleeve, and the driving arm (8) is in sliding connection with the sliding groove.

6. The syringe negative pressure leak detector of claim 1, wherein: one end of the vacuumizing sleeve (16) is provided with an elastic ring (17).

7. The syringe negative pressure leak detector of claim 1, wherein: the other end of the vacuumizing sleeve (16) is provided with a vacuumizing hose (18).

8. The syringe negative pressure leak detector of claim 1, wherein: the machine frame (1) is provided with a mask (19), a control base (20) and a stop bar (21), and the machine frame (1) is rotationally connected with the mask (19) through a hinge.