CN216207318U - Syringe gas tightness detection device - Google Patents
Syringe gas tightness detection device Download PDFInfo
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- CN216207318U CN216207318U CN202122392363.2U CN202122392363U CN216207318U CN 216207318 U CN216207318 U CN 216207318U CN 202122392363 U CN202122392363 U CN 202122392363U CN 216207318 U CN216207318 U CN 216207318U
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- injector
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Abstract
The utility model provides a device for detecting the air tightness of an injector, which is characterized in that: including workstation, lifter plate, gas tightness detection end, carousel, pivot, water storage tank and syringe fixed establishment, four corners of workstation bottom respectively are provided with a stand, the lifter plate pass through elevating system and connect directly over the workstation, gas tightness detection end install the bottom at the lifter plate, the carousel level set up, the carousel install in the upper end of pivot and along with the pivot is together rotatory, gas tightness detection end be located the carousel left end directly over, the vertical setting of pivot rotate with the workstation and be connected, still be provided with the water storage tank under the carousel left end, the water storage tank link to each other with climbing mechanism. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to the technical field of production and processing of injectors, in particular to an injector airtightness detection device.
Background
A syringe is a common medical device for drawing and injecting (i.e. drawing or injecting) gas or liquid, and therefore, there is a strict requirement on the airtightness of the connection between the conical joint of the cylinder of the syringe and the needle holder of the needle. In the production and assembly process of the injector, the air tightness detection must be carried out on the conical joint of the needle cylinder, the needle seat of the needle head, the assembled needle cylinder and the combined structure of the piston core rod and the like so as to ensure that the injector meets the use requirements and has excellent performance.
At present, all parts of the injector (such as a needle cylinder, a needle head, a piston core rod and the like) are generally produced in a clean production workshop of more than one hundred thousand grades, wherein, the clean production workshop with more than one hundred thousand grades has special requirements on static resistance, airflow, air cleanliness, temperature and humidity, and the like, therefore, no cylinder and cone joint air tightness detecting instrument suitable for clean production workshops of more than one hundred thousand grades exists in the market at present, so that the existing air tightness detection of the conical joint of the needle cylinder is usually to perform sampling inspection on the needle cylinders of the current batch after all the needle cylinders of the batch are subjected to injection molding, in order to ensure that the detection equipment does not pollute a production workshop, the air tightness detection of the conical joint of the needle cylinder needs to be carried out by transferring the needle cylinder to other special detection laboratories outside the production workshop, but the air tightness detection of the conical joint of the existing needle cylinder has the following defects:
firstly, the spot-check of the existing syringes can only be transferred to a special detection laboratory for detection after all the syringes in the current batch are subjected to injection molding, and the syringes cannot be spot-checked at any time in the production process, so that when the proportion of unqualified syringes in the spot-checked syringes exceeds the specified proportion, the syringes in the whole batch need to be scrapped, thereby greatly increasing the production cost and the production risk, and also having the problem of poor detection timeliness;
secondly, the existing detection equipment is expensive in price and has high requirements on the professional performance of operators, so that the labor cost is increased;
third, the syringe is easily contaminated during the transfer of the syringe to be tested from the manufacturing shop to the dedicated testing laboratory, so that the testing result of the syringe may be affected.
Moreover, the existing air tightness detection device is usually used for fixing the injector manually, the mode is very troublesome, the efficiency is low, and the working strength of an operator is greatly increased, so that the design of the air tightness detection device of the injector for solving the problems is very important.
Disclosure of Invention
The utility model provides an injector airtightness detection device, which can sequentially convey injectors to be detected to the position below an airtightness detection end through a turntable, so that the detection of the injectors on the turntable is sequentially completed, each injector can be replaced by a new injector after the detection is completed, the shutdown waiting is not needed, the detection of the next injector is not influenced, and the effect of greatly improving the working efficiency is achieved.
In order to solve the technical problem, the utility model provides a syringe air tightness detection device, which is characterized in that: comprises a workbench, a lifting plate, an air tightness detection end, a turntable, a rotating shaft, a water storage tank and an injector fixing mechanism, wherein four corners of the bottom of the workbench are respectively provided with a stand column, the lifting plate is connected right above the workbench through the lifting mechanism, the air tightness detection end is installed at the bottom of the lifting plate, the turntable is horizontally arranged, the turntable is installed at the upper end of the rotating shaft and rotates along with the rotating shaft, the air tightness detection end is positioned right above the left end of the turntable, the rotating shaft is vertically arranged and is rotationally connected with the workbench, the water storage tank is also arranged right below the left end of the turntable, the water storage tank is connected with a jacking mechanism, the turntable is provided with a plurality of through holes for passing the injectors, the through holes are circularly arranged, the injector fixing mechanism is arranged below each through hole, the air tightness detection end is connected to one end of an injector penetrating through the rotary table through a lifting mechanism, and the other end of the injector is immersed into water filled in the water storage tank through the lifting mechanism.
Further: the lifting mechanism comprises a lifting electric cylinder, a transmission rod and a first guide rod, the transmission rod is vertically arranged, the upper end of the transmission rod is connected to the bottom of the lifting plate, the lower end of the transmission rod is connected with the lifting electric cylinder fixed on the workbench, the first guide rod is vertically arranged on the workbench, the first guide rod penetrates through the lifting plate and is in sliding connection with the lifting plate, and a first guide hole matched with the first guide rod is formed in the lifting plate.
And further: climbing mechanism include driving plate, second guide arm, the electronic jar of jacking and lifting rod, the workstation on offer the second through-hole that is used for the water storage tank to pass, the driving plate level sets up and its links to each other with the electronic jar of jacking of fixing in the workstation bottom, the vertical bottom of fixing at the workstation of second guide arm, the second guide arm pass the driving plate and rather than sliding connection, the driving plate on offer with second guide arm assorted second guiding hole, the lifting rod vertical fix on the driving plate, the upper end connect the bottom at the water storage tank.
And further: syringe fixed establishment include spliced pole, backup pad and bear the seat, the spliced pole constitute by the upper and lower company of rotary column and screw thread post, the upper end of rotary column is passed through the vertical rotation of bearing and is connected in the bottom of carousel, the screw thread post pass the backup pad, the backup pad level place and respectively be connected with an adjusting nut on the screw thread post of its upper and lower both sides, the backup pad press from both sides tightly to be fixed on the screw thread post through the adjusting nut of upper and lower both sides, the recess that is used for supporting syringe propelling movement end is offered at the top of bearing the seat.
And further: the lower extreme of pivot passes the workstation, passes one of the pivot of workstation and serves and install first gear, servo motor is still installed to the bottom of workstation, and servo motor's play axle is served and is installed the second gear, second gear and the mutual joggle of first gear.
And further: the air tightness detection end is formed by connecting a detection end and a connection end into a whole, the connection end is arranged at the top of the detection end, external threads are arranged on the outer wall of the detection end, a mounting seat for mounting the connection end is fixed at the bottom of the lifting plate, and a threaded hole matched with the external threads is formed in the bottom of the mounting seat.
And further: the bottom of the detection end is provided with a connecting groove matched with the injection end of the injector, a needle tube extending into the injection end of the injector is arranged in the connecting groove, the needle tube is communicated with an air supply channel arranged in the detection end, one end of the air supply channel is communicated with an air inlet pipe connecting end arranged on the outer wall of one side of the detection end, and the other end of the air supply channel is communicated with a pressure valve arranged on the outer wall of the other side of the detection end.
And further: the pressure valve include valve body, case and spring, the valve body fix on the outer wall of detection end and it is the open one end of one end and seals up the form, the open one end of valve body is linked together with the channel of supplying gas, case piston connects in the valve body, the case passes through the spring and links to each other with the one end of valve body inner seal, the hole of disappointing has been seted up on the lateral wall of valve body, the hole of disappointing seal through the case.
After the structure is adopted, the injectors to be detected can be sequentially conveyed to the position below the air tightness detection end through the rotary disc, so that the detection of the injectors on the rotary disc is sequentially finished, each injector can be replaced by a new injector after the detection is finished, the machine does not need to be stopped for waiting, the detection of the next injector cannot be influenced, and the effect of greatly improving the working efficiency is achieved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an internal structure view of the airtightness detection tip.
Fig. 3 is a structural view of the pressure valve.
Detailed Description
The device for detecting the air tightness of the injector shown in figure 1 comprises a workbench 1, a lifting plate 4, an air tightness detecting end 6, a rotary table 7, a rotary shaft 8, a water storage tank 13 and an injector fixing mechanism, wherein four corners of the bottom of the workbench are respectively provided with a stand column, the lifting plate is connected right above the workbench through the lifting mechanism, the air tightness detecting end is arranged at the bottom of the lifting plate, the rotary table is horizontally arranged, the rotary table is arranged at the upper end of the rotary shaft and rotates along with the rotary shaft, the air tightness detecting end is positioned right above the left end of the rotary table, the rotary shaft is vertically arranged and is rotationally connected with the workbench, the water storage tank 13 is also arranged right below the left end of the rotary table, the water storage tank is connected with a jacking mechanism, the rotary table is provided with a plurality of through holes for passing through the injector 9, and the plurality of through holes are circularly arranged, an injector fixing mechanism is arranged below each through hole, the air tightness detection end is connected to one end of an injector penetrating through the rotary table through a lifting mechanism, and the other end of the injector is immersed in water filled in the water storage tank through a jacking mechanism. During detection, the air tightness detection end head is used for supplying air to the injection end of the injector, and whether the air tightness is good or not is judged by observing whether bubbles are generated in the water storage tank or not. The utility model can sequentially convey the injectors to be detected to the lower part of the air tightness detection end head through the turntable, thereby sequentially completing the detection of the injectors on the turntable, each injector can be replaced by a new injector after the detection is completed, the shutdown waiting is not needed, the detection of the next injector is not influenced, and the effect of greatly improving the working efficiency is achieved.
The lifting mechanism shown in fig. 1 comprises a lifting electric cylinder 2, a transmission rod and a first guide rod 3, wherein the transmission rod is vertically arranged, the upper end of the transmission rod is connected to the bottom of a lifting plate, the lower end of the transmission rod is connected with the lifting electric cylinder fixed on a workbench, the first guide rod is vertically arranged on the workbench, the first guide rod penetrates through the lifting plate and is in sliding connection with the lifting plate, and a first guide hole matched with the first guide rod is formed in the lifting plate.
The jacking mechanism shown in fig. 1 comprises a transmission plate 18, a second guide rod 20, an electric jacking cylinder 17 and a jacking rod 19, a second through hole used for the water storage tank to pass through is formed in the workbench, the transmission plate is horizontally arranged and connected with the electric jacking cylinder fixed at the bottom of the workbench, the second guide rod is vertically fixed at the bottom of the workbench, the second guide rod passes through the transmission plate and is connected with the transmission plate in a sliding manner, the transmission plate is provided with a second guide hole matched with the second guide rod, the jacking rod is vertically fixed on the transmission plate, and the upper end of the jacking rod is connected to the bottom of the water storage tank.
The syringe fixing mechanism shown in figure 1 comprises a connecting column 10, a supporting plate 11 and a bearing seat 12, wherein the connecting column is formed by vertically connecting a rotary column and a threaded column into a whole, the upper end of the rotary column is vertically and rotatably connected to the bottom of a rotary disc through a bearing, the threaded column penetrates through the supporting plate, the supporting plate is horizontally placed, the threaded columns on the upper side and the lower side of the supporting plate are respectively connected with an adjusting nut, the supporting plate is clamped and fixed on the threaded columns through the adjusting nuts on the upper side and the lower side, and a groove for supporting a syringe pushing end is formed in the top of the bearing seat.
As shown in figure 1, the lower end of the rotating shaft penetrates through the workbench, a first gear 14 is installed at one end of the rotating shaft penetrating through the workbench, a servo motor 15 is further installed at the bottom of the workbench, a second gear 16 is installed at the shaft outlet end of the servo motor, and the second gear is in gear joint with the first gear.
The air tightness detection end head shown in figure 2 is formed by connecting a detection end head 6-1 and a connection end head 6-2 into a whole, wherein the connection end head is arranged at the top of the detection end head, external threads are arranged on the outer wall of the detection end head, a mounting seat 5 for mounting the connection end head is fixed at the bottom of the lifting plate, and a threaded hole matched with the external threads is formed in the bottom of the mounting seat.
The bottom of the detection end shown in figure 2 is provided with a connecting groove 6-3 matched with the injection end of the injector, a needle tube 6-4 extending into the injection end of the injector is arranged in the connecting groove, the needle tube is communicated with an air supply channel 6-5 arranged in the detection end, one end of the air supply channel is communicated with an air inlet tube connecting end 6-7 arranged on the outer wall of one side of the detection end, and the other end of the air supply channel is communicated with a pressure valve 6-8 arranged on the outer wall of the other side of the detection end.
The pressure valve shown in figure 3 comprises a valve body 6-8-1, a valve core 6-8-3 and a spring 6-8-2, wherein the valve body is fixed on the outer wall of the detection end and is in a shape that one end of the valve body is opened and the other end of the valve body is sealed, the opened end of the valve body is communicated with an air supply channel, the valve core is connected in the valve body in a piston manner, the valve core is connected with one end of the valve body, which is sealed in the valve body, through the spring, an air release hole 6-8-4 is formed in the side wall of the valve body, and the air release hole is sealed through the valve core. By adopting the structure, the safety performance is improved, and unnecessary damage to the injector caused by excessive pressure is prevented.
Claims (8)
1. The utility model provides a syringe gas tightness detection device which characterized in that: comprises a workbench (1), a lifting plate (4), an air tightness detection end (6), a turntable (7), a rotating shaft (8), a water storage tank (13) and an injector fixing mechanism, wherein four corners of the bottom of the workbench are respectively provided with a stand column, the lifting plate is connected right above the workbench through the lifting mechanism, the air tightness detection end is arranged at the bottom of the lifting plate, the turntable is horizontally arranged, the turntable is arranged at the upper end of the rotating shaft and rotates along with the rotating shaft, the air tightness detection end is positioned right above the left end of the turntable, the rotating shaft is vertically arranged and is rotationally connected with the workbench, the water storage tank (13) is also arranged right below the left end of the turntable, the water storage tank is connected with a jacking mechanism, the turntable is provided with a plurality of through holes for passing through the injector (9), and the plurality of through holes are circularly arranged, an injector fixing mechanism is arranged below each through hole, the air tightness detection end is connected to one end of an injector penetrating through the rotary table through a lifting mechanism, and the other end of the injector is immersed in water filled in the water storage tank through a jacking mechanism.
2. The device for detecting the airtightness of the syringe according to claim 1, wherein: the lifting mechanism comprises a lifting electric cylinder (2), a transmission rod and a first guide rod (3), the transmission rod is vertically arranged, the upper end of the transmission rod is connected to the bottom of the lifting plate, the lower end of the transmission rod is connected with the lifting electric cylinder fixed on the workbench, the first guide rod is vertically arranged on the workbench, the first guide rod penetrates through the lifting plate and is in sliding connection with the lifting plate, and a first guide hole matched with the first guide rod is formed in the lifting plate.
3. The device for detecting the airtightness of the syringe according to claim 1, wherein: climbing mechanism include driving plate (18), second guide arm (20), electronic jar of jacking (17) and lifting rod (19), the workstation on offer the second through-hole that is used for the water storage tank to pass, the driving plate level sets up and its links to each other with the electronic jar of jacking of fixing in the workstation bottom, the vertical bottom of fixing at the workstation of second guide arm, the second guide arm pass the driving plate and rather than sliding connection, the driving plate on seted up with second guide arm assorted second guiding hole, the lifting rod vertical fix on the driving plate, the upper end connect the bottom at the water storage tank.
4. The device for detecting the airtightness of the syringe according to claim 1, wherein: syringe fixed establishment include spliced pole (10), backup pad (11) and bear seat (12), the spliced pole constitute by the upper and lower company of rotary column and screw thread post, the upper end of rotary column is passed through the vertical rotation of bearing and is connected in the bottom of carousel, the screw thread post pass the backup pad, the backup pad level place and respectively be connected with an adjusting nut on the screw thread post of its upper and lower both sides, the backup pad press from both sides tightly to be fixed on the screw thread post through the adjusting nut of upper and lower both sides, the recess that is used for supporting syringe propelling movement end is offered at the top of bearing the seat.
5. The device for detecting the airtightness of the syringe according to claim 1, wherein: the lower extreme of pivot passes the workstation, passes one of the pivot of workstation and serves and install first gear (14), servo motor (15) are still installed to the bottom of workstation, and servo motor's play axle is served and is installed second gear (16), second gear and the mutual tooth joint of first gear.
6. The device for detecting the airtightness of the syringe according to claim 1, wherein: the air tightness detection end is formed by connecting a detection end (6-1) and a connection end (6-2) into a whole, the connection end is arranged at the top of the detection end, external threads are arranged on the outer wall of the detection end, a mounting seat (5) for mounting the connection end is fixed at the bottom of the lifting plate, and a threaded hole matched with the external threads is formed in the bottom of the mounting seat.
7. The device for detecting the airtightness of the syringe according to claim 6, wherein: the bottom of the detection end is provided with a connecting groove (6-3) matched with the injection end of the injector, a needle tube (6-4) extending into the injection end of the injector is arranged in the connecting groove, the needle tube is communicated with an air supply channel (6-5) arranged in the detection end, one end of the air supply channel is communicated with an air inlet tube connecting end (6-7) arranged on the outer wall of one side of the detection end, and the other end of the air supply channel is communicated with a pressure valve (6-8) arranged on the outer wall of the other side of the detection end.
8. The device for detecting the airtightness of the syringe according to claim 7, wherein: the pressure valve comprises a valve body (6-8-1), a valve core (6-8-3) and a spring (6-8-2), wherein the valve body is fixed on the outer wall of the detection end and one end of the valve body is opened, the other end of the valve body is sealed, the opened end of the valve body is communicated with an air supply channel, the valve core is connected in the valve body in a piston mode, the valve core is connected with one end of the valve body, which is sealed in the valve body, through the spring, an air leakage hole (6-8-4) is formed in the side wall of the valve body, and the air leakage hole is sealed through the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392363.2U CN216207318U (en) | 2021-09-30 | 2021-09-30 | Syringe gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392363.2U CN216207318U (en) | 2021-09-30 | 2021-09-30 | Syringe gas tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN216207318U true CN216207318U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122392363.2U Active CN216207318U (en) | 2021-09-30 | 2021-09-30 | Syringe gas tightness detection device |
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| CN (1) | CN216207318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301580A (en) * | 2022-10-11 | 2022-11-08 | 常州龙灏医疗科技有限公司 | Syringe leakproofness detection device |
| CN116907748A (en) * | 2023-09-14 | 2023-10-20 | 邹城市云天矿山科技有限公司 | Continuous air tightness detection device for infusion tube |
-
2021
- 2021-09-30 CN CN202122392363.2U patent/CN216207318U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301580A (en) * | 2022-10-11 | 2022-11-08 | 常州龙灏医疗科技有限公司 | Syringe leakproofness detection device |
| CN116907748A (en) * | 2023-09-14 | 2023-10-20 | 邹城市云天矿山科技有限公司 | Continuous air tightness detection device for infusion tube |
| CN116907748B (en) * | 2023-09-14 | 2023-12-12 | 邹城市云天矿山科技有限公司 | Continuous air tightness detection device for infusion tube |
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