CN219870170U

CN219870170U - Tightness testing device

Info

Publication number: CN219870170U
Application number: CN202320339252.1U
Authority: CN
Inventors: 刘庸
Original assignee: Shenzhen Yueyuan Precision Technology Co ltd
Current assignee: Shenzhen Yueyuan Precision Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-10-20
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a tightness testing device, which comprises a water tank, a fixing component arranged on the water tank, a clamping component arranged on the fixing component, an air pressure regulating valve and a rotary cylinder which are arranged on two sides of the clamping component, wherein the fixing component comprises a time delay relay, a time relay and a switch button, and the clamping component comprises a manual valve and an elastic chuck; the manual valve is provided with a plurality of elastic chucks, the elastic chucks are arranged on the manual valve, and the manual valve drives the elastic chucks to clamp and loosen the needle tube. According to the tightness testing device, the air pressure value is regulated by adopting the air pressure regulating valve, the time is regulated by adopting the time delay relay, the needle tube is connected by adopting the elastic chucks, the needle tube is placed into the water tank, whether the water tank has bubbles in the whole process is observed, so that whether the tightness of the needle tube is good or not is judged, and in the testing process, the plurality of needle tubes can be tested simultaneously by adopting the plurality of elastic chucks, so that the time and the labor are saved, and the testing rate is improved.

Description

Tightness testing device

Technical Field

The utility model relates to the technical field of testing devices, in particular to a tightness testing device.

Background

The needle tube is an important component of the injector, is a common medical appliance, is increasingly widely applied along with the development of the current medical technology, and is very necessary to check the performance of the needle tube equipment in order to better use the needle tube equipment, and the main performance check of the needle tube equipment is to check the tightness of the needle tube.

The existing needle tube tightness test method is that after the needle head of the needle tube is sealed, the piston of the needle tube is pushed inwards, after the hand is loosened, the piston returns to the original position, so that the needle tube tightness is good, or the needle body of the needle tube is immersed in water and extruded, and whether gas escapes or not is seen. In the process, one worker can only test one needle tube at a time, so that the time consumption is long, the labor cost is high, and the testing rate is low.

Disclosure of Invention

The utility model mainly aims to provide a tightness testing device which aims to improve the testing rate of the air tightness of a needle tube so as to avoid the problems of long time consumption and high cost of manual testing.

In order to achieve the above purpose, the utility model provides a tightness testing device, which comprises a water tank, a fixing component arranged on the water tank, a clamping component arranged on the fixing component, an air pressure regulating valve and a rotary air cylinder, wherein the air pressure regulating valve and the rotary air cylinder are arranged on two sides of the clamping component, one side of the air pressure regulating valve is provided with a second air pipe, and one side of the rotary air cylinder is provided with a first air conveying pipeline and a second air conveying pipeline; the fixed assembly comprises a time delay relay, a time relay and a switch button for starting and closing the time relay, one end of the second air pipe is connected with the air pressure regulating valve, the other end of the second air pipe is connected with the time delay relay, and two ends of the first air pipe and the second air pipe are respectively connected with the rotary cylinder and the time relay; the clamping assembly comprises a manual valve and an elastic chuck; the manual valve is provided with a plurality of elastic chucks, the elastic chucks are arranged on the manual valve, and the manual valve drives the elastic chucks to clamp and loosen the needle tube.

Further, the fixing component further comprises a working platform and a shell, wherein the shell is arranged on the working platform, and the clamping component is arranged on the working platform and located on one side of the shell.

Further, the shell is provided with a perforation for the time delay relay, the time relay and the switch button to penetrate through, and the time delay relay, the time relay and the switch button are all partially penetrated out of the shell.

Further, the clamping assembly further comprises a fixing rod, the manual valve is arranged on the fixing rod, the fixing rod comprises a first air pipe, one end of the first air pipe is connected with the fixing rod, and the other end of the first air pipe is connected with the time delay relay.

Further, the rotary cylinder comprises a cylinder body, a first air pipe joint and a second air pipe joint, wherein the first air pipe joint and the second air pipe joint are arranged on the cylinder body, the first air pipe joint is connected with the first air conveying pipeline, and the second air pipe joint is connected with the second air conveying pipeline.

The utility model has the following beneficial effects:

according to the tightness testing device, the air pressure value is regulated by adopting the air pressure regulating valve, the time is regulated by adopting the time delay relay, the elastic chucks are used for connecting the needle tube, the needle tube is placed into the water tank after the time delay relay works, the time relay ventilates the needle tube, whether the water tank has bubbles in the whole process is observed, so that whether the tightness of the needle tube is good or not is judged, and in the testing process, the elastic chucks can be used for simultaneously testing the needle tubes, so that the time and labor are saved, the labor cost is saved, and the testing rate is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a tightness testing device according to the present utility model;

FIG. 2 is a schematic view of a tightness testing device according to another embodiment of the present utility model;

FIG. 3 is a side view of the tightness testing device of the present utility model;

FIG. 4 is a front view of the tightness testing device of the present utility model;

FIG. 5 is a top view of the tightness testing device of the present utility model;

fig. 6 is a schematic view showing an inverted state structure of the tightness testing device of the present utility model.

Reference numerals illustrate:

a fixed assembly 1; a housing 11; a work platform 12; a delay relay 13; a switch button 14; a time relay 15; a clamping assembly 2; a fixing rod 21; a first gas pipe 211; a manual valve 22; a collet 23; a rotary cylinder 3; a cylinder 31; a first air pipe joint 32; a second air pipe joint 33; a first gas delivery conduit 34; a second gas transmission pipe 35; an air pressure regulating valve 4; an adjustment cap 41; a valve seat 42; a barometer 43; a second air pipe 44; a water tank 5.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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 and 5, the utility model provides a tightness testing device, which comprises a water tank 5, a fixed component 1 arranged on the water tank 5, a clamping component 2 arranged on the fixed component 1, an air pressure regulating valve 4 and a rotary air cylinder 3 arranged on two sides of the clamping component 2, wherein a second air pipe 44 is arranged on one side of the air pressure regulating valve 4, and a first air transmission pipeline 34 and a second air transmission pipeline 35 are arranged on one side of the rotary air cylinder 3; the fixed assembly 1 comprises a time delay relay 13, a time relay 15 and a switch button 14 for starting and closing the time relay 15, one end of a second air pipe 44 is connected with the air pressure regulating valve 4, the other end of the second air pipe 44 is connected with the time delay relay 13, and two ends of a first air transmission pipeline 34 and a second air transmission pipeline 35 are respectively connected with the rotary cylinder 3 and the time relay 15; the clamping assembly 2 comprises a manual valve 22 and an elastic chuck 23; the manual valve 22 is provided with a plurality of, the collet 23 sets up on the manual valve 22, manual valve 22 drive collet 23 presss from both sides tightly, loosens the needle tubing, in the test process, adopts a plurality of collet alright a plurality of needle tubing of simultaneous test, labour saving and time saving, practices thrift the cost of labor, improves the rate of test.

Referring to fig. 1, specifically, the fixing assembly 1 further includes a working platform 12 and a housing 11, the housing 11 is disposed on the working platform 12, the delay relay 13, the time relay 15, and the switch button 14 are all disposed inside the housing 11, the clamping assembly 2 is disposed on the working platform 12 and located on one side of the housing 11, and this position design can better protect the delay relay 13, the time relay 15, and the switch button 14, so that it is not easy to damage.

Referring to fig. 1, the casing 11 is provided with a through hole for penetrating the time delay relay 13, the time relay 15, and the switch button 14, and the time delay relay 13, the time relay 15, and the switch button 14 all partially penetrate out of the casing 11, so that an operator can conveniently control the switch button 14, start and close the time relay 15, and simultaneously, the operator can conveniently adjust and check the service condition of the time delay relay 13.

Referring to fig. 2, specifically, the clamping assembly 2 further includes a fixing rod 21, the manual valve 22 is disposed on the fixing rod 21, one or more manual valves 22 and the elastic chucks 23 may be disposed as required, and a plurality of combinations of the manual valves 22 and the elastic chucks 23 may be operated at the same time, so as to improve the testing rate of the needle tube.

Referring to fig. 2 and 4, the fixing rod 21 includes a first air pipe 211, one end of the first air pipe 211 is connected to the fixing rod 21, and the other end of the first air pipe 211 is connected to the delay relay 13, so that the clamping assembly 2 can be connected to the delay relay 13, and the working time of the clamping assembly 2 is controlled by adjusting the time of the delay relay 13.

Referring to fig. 4, the air pressure regulating valve 4 includes a regulating cap 41, a valve seat 42, and a valve core (not shown in the drawing), wherein the regulating cap 41 is disposed on the valve seat 42, and the valve core is disposed inside the regulating cap 41 and partially penetrates through the valve seat 42, so that the air pressure value of the air pressure regulating valve 4 can be regulated by rotating the regulating cap 41 according to specific needs.

Referring to fig. 4, the air pressure regulating valve 4 and the air pressure gauge 43 are provided on the side of the valve seat 42, the operator can check the air pressure value of the current air pressure regulating valve 4 in real time through the air pressure gauge 43, and can ventilate the product through the second air pipe 44.

Referring to fig. 3, the rotary cylinder 3 includes a cylinder body 31, a first air pipe joint 32 and a second air pipe joint 33, the first air pipe joint 32 and the second air pipe joint 33 are both disposed on the cylinder body 31, the first air pipe joint 32 is connected with the first air pipe 34, so that the first air pipe 34 with a damaged condition is replaced, the first air pipe joint 32 can further tighten the first air pipe 34, so as to avoid the air leakage condition of the first air pipe 34, the second air pipe joint 33 is connected with the second air pipe 35, so that the second air pipe 35 with a damaged condition is replaced, and the second air pipe joint 33 can further tighten the second air pipe 35, so as to avoid the air leakage condition of the second air pipe 35.

The working principle of the utility model is as follows:

the tightness testing device of the utility model adopts the air pressure regulating valve 4 to regulate the air pressure value, adopts the time delay relay 13 to regulate the time, adopts the elastic chucks 23 to connect the needle tube, rotates the rotary cylinder 3 to the appointed air pressure value after the time delay relay 13 works, puts the needle tube into the water tank 5, presses the switch button 14, starts the time relay 15 to ventilate the needle tube through the first air tube 211 and the second air tube 44, and observes whether the water tank 5 has bubbles in the whole process to generate, thereby judging whether the tightness of the needle tube is good or not, and adopts the elastic chucks 23 to test a plurality of needle tubes simultaneously in the testing process, thereby saving time and labor, saving labor cost and improving the testing rate.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The tightness testing device is characterized by comprising a water tank, a fixing component arranged on the water tank, a clamping component arranged on the fixing component, air pressure regulating valves arranged on two sides of the clamping component and a rotary air cylinder, wherein a second air pipe is arranged on one side of each air pressure regulating valve, and a first air conveying pipeline and a second air conveying pipeline are arranged on one side of each rotary air cylinder; the fixed assembly comprises a time delay relay, a time relay and a switch button for starting and closing the time relay, one end of the second air pipe is connected with the air pressure regulating valve, the other end of the second air pipe is connected with the time delay relay, and two ends of the first air pipe and the second air pipe are respectively connected with the rotary cylinder and the time relay; the clamping assembly comprises a manual valve and an elastic chuck; the manual valve is provided with a plurality of elastic chucks, the elastic chucks are arranged on the manual valve, and the manual valve drives the elastic chucks to clamp and loosen the needle tube.

2. The leak tightness testing apparatus of claim 1, wherein the securing assembly further comprises a work platform and a housing, the housing being disposed on the work platform, the clamping assembly being disposed on the work platform and on a side of the housing.

3. The tightness testing device according to claim 2, wherein the casing is provided with perforations for penetrating the time delay relay, the time relay and the switch button, and the time delay relay, the time relay and the switch button are all partially penetrated out of the casing.

4. The tightness testing device of claim 1 wherein said clamping assembly further comprises a fixed rod, said manual valve is disposed on said fixed rod, said fixed rod comprises a first air tube, one end of said first air tube is connected to said fixed rod, and the other end of said first air tube is connected to said time delay relay.

5. The tightness testing device according to claim 1, wherein said rotary cylinder comprises a cylinder body, a first air pipe joint and a second air pipe joint, said first air pipe joint and said second air pipe joint are both provided on said cylinder body, said first air pipe joint is connected with said first air transmission pipe, and said second air pipe joint is connected with said second air transmission pipe.