Quality testing device for injector
By designing an automated syringe quality testing device, which utilizes components such as motors, gears, racks, and grippers to achieve automatic syringe clamping and plug insertion testing, the problem of poor practicality of manual testing in existing technologies is solved, and the automation and accuracy of syringe quality testing are realized.
Patent Information
- Application Number
- CN202520568565.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-28
AI Technical Summary
There is a lack of automated syringe quality inspection devices; existing inspections mainly rely on manual labor, which is impractical.
A quality testing device including a motor, gears, racks, grippers, cylinders, and detectors was designed. The motor drives the gears to drive the racks and pinions in linkage, realizing automatic clamping and plug detection of the syringe. The syringe is fixed by the plug and cylinder, and the detector detects the degree of fixation of the plug rubber connection.
It enables automated quality inspection of syringes, accurately determining the degree of connection and fixation between the plunger rubber and the plunger rod, thus improving inspection efficiency and accuracy.
Smart Images

Figure CN223808051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to syringe technical field, concretely is a quality testing device for syringe. BACKGROUND
[0002] Syringe is a common medical appliance. As early as in the 15th century, Italian people Cattinell proposed the principle of syringe. Mainly use needle to draw or inject gas or liquid. Syringe can also be used for medical equipment, container, scientific instrument in some chromatography to inject through rubber septum.
[0003] Now lack the device that detects the quality of syringe, and most of the sealing performance of syringe is detected to judge the quality of syringe, and most of the quality is detected manually, so the practicability is poor.
[0004] Therefore, it is necessary to design a quality testing device for syringe with strong practicability and automatic testing. INVENTION CONTENTS
[0005] The utility model discloses a quality testing device for syringe to solve the problem in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a quality testing device for syringe, including the base, the inner side fixed mounting of base has motor, the front side of motor is provided with the clamping groove, the inner side sliding connection of clamping groove has first rack, the inner side sliding connection of clamping groove has second rack, the output shaft of motor is provided with gear, gear and first rack are mutually engaged and are connected, gear and second rack are mutually engaged and are connected.
[0007] According to the above technical scheme, the upper portion of second rack is provided with first controller, the bottom of first controller is provided with control rod, the both sides bearing of first controller are connected with first pull rod, the inner side bearing of first pull rod is connected with first adapter rod, first adapter rod and control rod are mutually bearing connected, and the bottom of first adapter rod is provided with clamping jaw.
[0008] According to the above technical scheme, the inner side of first rack is provided with second controller, the both sides of second controller are provided with second pull rod, the inner side bearing of second pull rod is connected with second adapter rod, the upper portion of second controller is provided with pneumatic cylinder, the gas rod end of pneumatic cylinder is provided with control block, control block and second adapter rod are mutually bearing connected, the bottom of control block is welded with first spring, the upper portion of second pull rod is provided with sleeve, and the upper portion of control block is provided with plug.
[0009] According to the technical scheme, the inner side of the sleeve is provided with a syringe, and the inside of the syringe is slidably connected with a push plug.
[0010] According to the technical scheme, the bottom of the base is provided with a telescopic device, the inside of the telescopic device is slidably connected with a telescopic rod, the bottom of the telescopic rod is provided with a detector, the inner side of the detector is welded with a second spring, and the other end of the second spring is welded with the telescopic device.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] (1) By setting the detector, when the sleeve is fixed with the syringe and the clamping jaw grabs the push plug, the motor is started, and the syringe is pulled downward and the push plug is pulled upward, respectively, because the outlet is blocked by the plug, air cannot enter the inside, at this time, the push plug cannot be pulled, in order to detect whether the connection and fixing degree of the rubber at the bottom of the push plug and the push rod is qualified, when pulling, the first controller touches the detector, which means that the rubber falls off, which represents unqualified quality, otherwise, it is qualified, and the quality detection effect is achieved.
[0013] (2) By setting the plug, the worker puts the syringe into the sleeve and presses downward, so that the water outlet is attached to the plug, at this time, the plug is stressed to drive the control block to descend, and the air cylinder is contracted, the control block pulls the second pull rod through the second connecting rod, so that it is gathered inward, so as to drive the sleeve to shrink and fix the syringe, when a certain degree of downward pressure is applied, the air cylinder locks the current internal air rod position, at this time, the worker releases the syringe, so that the fixing is completed.
[0014] (3) By setting the gear, the output shaft of the motor is provided with a gear, the gear is connected with the first rack and the second rack, when the motor rotates, the gear rotates, so as to drive the first rack and the second rack to slide in the clamping groove, so as to realize linkage. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the overall three-dimensional structure schematic diagram of the utility model;
[0016] Fig. 2 It is the front view schematic diagram of part assembly of the utility model;
[0017] Fig. 3 It is the front view schematic diagram of part assembly of the utility model;
[0018] In the figure: 1, base; 2, motor; 3, clamping groove; 4, first rack; 5, second rack; 6, first controller; 7, first pull rod; 8, clamping jaw; 9, control rod; 10, second controller; 11, second pull rod; 12, sleeve; 13, control block; 14, plug; 15, first spring; 16, air cylinder; 17, telescopic device; 18, telescopic rod; 19, second spring; 20, detector; 21, first adapter rod; 22, second adapter rod; 23, syringe; 24, push plug; 25, gear. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] Please refer to Figs. 1-3 The utility model provides technical scheme: a quality testing device for syringe, including base 1, the inside fixed mounting of base 1 has motor 2, the front side of motor 2 is provided with clamping groove 3, the inside sliding connection of clamping groove 3 has first rack 4, the inside sliding connection of clamping groove 3 has second rack 5, the output shaft of motor 2 is provided with gear 25, gear 25 and first rack 4 are mutually engaged and connected, gear 25 and second rack 5 are mutually engaged and connected, when motor 2 rotates, will drive gear 25 rotation, to drive first rack 4 in clamping groove 3 respectively and slide down, and the second rack 5 that engages with it rises in clamping groove 3, realizes linkage;
[0021] The top of second rack 5 is provided with first controller 6, the bottom of first controller 6 is provided with control rod 9, the both sides bearing of first controller 6 are connected with first pull rod 7, the inside bearing of first pull rod 7 is connected with first adapter rod 21, first adapter rod 21 and control rod 9 are mutually bearing connected, the bottom of first adapter rod 21 is provided with clamping jaw 8, first controller 6 is displaced upwards by driving control rod 9, makes it through first adapter rod 21 and pulls first pull rod 7, to realize the effect that first pull rod 7 is gathered to the middle, realizes clamping effect using clamping jaw 8;
[0022] The inner side of the first rack 4 is provided with a second controller 10, the two sides of the second controller 10 are provided with a second pull rod 11, the inner side of the second pull rod 11 is bearing connected with a second adapter rod 22, the upper side of the second controller 10 is provided with a pneumatic cylinder 16, the air rod end of the pneumatic cylinder 16 is provided with a control block 13, the control block 13 and the second adapter rod 22 are bearing connected with each other, the bottom of the control block 13 is welded with a first spring 15, the upper side of the second pull rod 11 is provided with a sleeve 12, the upper side of the control block 13 is provided with a plug 14, the worker puts a syringe 23 into the sleeve 12, then presses downwards, so that the water outlet of the syringe 23 is attached to the plug 14, at this time, the plug 14 is forced to drive the control block 13 to descend, at the same time, the pneumatic cylinder 16 is contracted, the control block 13 pulls the second pull rod 11 through the second adapter rod 22, so that the second pull rod 11 is gathered to the inner side, thereby driving the sleeve 12 to contract and fixing the syringe 23, when a certain pressing force is applied, the pneumatic cylinder 16 locks the current air rod position inside, at this time, the worker releases the syringe 23, thereby completing the fixing;
[0023] The inner side of the sleeve 12 is provided with the syringe 23, the inside of the syringe 23 is slidingly connected with a push plug 24, the push plug 24 slides up and down in the syringe 23, the clamping jaw 8 grabs the top of the push plug 24;
[0024] The bottom of the base 1 is provided with an extender 17, the inside of the extender 17 is slidingly connected with an extension rod 18, the bottom of the extension rod 18 is provided with a detector 20, the inner side of the detector 20 is welded with a second spring 19, the other end of the second spring 19 is welded with the extender 17, when the sleeve 12 fixes the syringe 23 and the clamping jaw 8 grabs the push plug 24, the motor 2 is started, the syringe 23 is pulled downwards and the push plug 24 is pulled upwards, because the outlet is blocked by the plug 14, the inside cannot enter air, at this time, the push plug 24 cannot be pulled, in order to detect whether the fixing degree of the rubber at the bottom of the push plug 24 and the push rod is qualified, when the first controller 6 touches the detector 20 when pulling, it indicates that the rubber falls off, which represents unqualified quality, on the contrary, it is qualified, thereby achieving the quality detection effect.
[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A mass testing device for syringes comprising a base (1) characterised in that: The inner side of the base (1) is fixedly provided with a motor (2), the front side of the motor (2) is provided with a clamping groove (3), the inner side of the clamping groove (3) is slidably connected with a first rack (4), the inner side of the clamping groove (3) is slidably connected with a second rack (5), the output shaft of the motor (2) is provided with a gear (25), the gear (25) and the first rack (4) are mutually meshed and connected, and the gear (25) and the second rack (5) are mutually meshed and connected.
2. A mass testing device for a syringe according to claim 1, wherein: The upper side of the second rack (5) is provided with a first controller (6), the bottom of the first controller (6) is provided with a control rod (9), the two side bearings of the first controller (6) are connected with a first pull rod (7), the inner side of the first pull rod (7) is bearing-connected with a first adapter rod (21), the first adapter rod (21) and the control rod (9) are mutually bearing-connected, and the bottom of the first adapter rod (21) is provided with a clamping jaw (8).
3. A mass testing device for a syringe according to claim 2, wherein: The inner side of the first rack (4) is provided with a second controller (10), the two sides of the second controller (10) are provided with a second pull rod (11), the inner side of the second pull rod (11) is bearing-connected with a second adapter rod (22), the upper side of the second controller (10) is provided with a pneumatic cylinder (16), the air rod end of the pneumatic cylinder (16) is provided with a control block (13), the control block (13) and the second adapter rod (22) are mutually bearing-connected, the bottom of the control block (13) is welded with a first spring (15), the upper side of the second pull rod (11) is provided with a sleeve (12), and the upper side of the control block (13) is provided with a plug (14).
4. A mass testing device for a syringe according to claim 3, wherein: The inner side of the sleeve (12) is provided with a syringe (23), and the inside of the syringe (23) is slidably connected with a push plug (24).
5. A mass testing device for a syringe according to claim 4, wherein: The bottom of the base (1) is provided with an extender (17), the inside of the extender (17) is slidably connected with an extension rod (18), the bottom of the extension rod (18) is provided with a detector (20), the inner side of the detector (20) is welded with a second spring (19), and the other end of the second spring (19) and the extender (17) are mutually welded.