CN214621618U

CN214621618U - Medical instrument air tightness detection device

Info

Publication number: CN214621618U
Application number: CN202120642542.4U
Authority: CN
Inventors: 郭彬; 张镭
Original assignee: Gansu Province Medical Device Testing Detection
Current assignee: Gansu Province Medical Device Testing Detection
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-05
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to medical equipment gas tightness detection device, including removing air pump, solenoid valve and connector, remove the air pump the solenoid valve with connect through gas-supply pipe one between the connector, set up the solenoid valve with baroceptor between the connector pass through gas-supply pipe two with gas-supply pipe one is connected. The utility model discloses in, compare in traditional gas tightness detects, when there is little hourglass in the test tube, because there is certain pressure in the aquatic, consequently the part of little hourglass is the gassing unnecessarily, or the bubble undersize naked eye of production is difficult to perceive, and can make accurate judgement to whether there is the gas tightness defect to the test tube through baroceptor, avoid flowing into the hospital with the flaw product and use, bury down the potential safety hazard, this kind of mode also need not dry the test tube again in addition, avoid causing the bacterial infection.

Description

Medical instrument air tightness detection device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to medical equipment gas tightness detection device.

Background

After the production and manufacture of the medical air bag and the tubular medical apparatus are finished, the air tightness of the medical air bag and the tubular medical apparatus needs to be detected by using an air tightness detection device, so that the medical air bag and the tubular medical apparatus can be normally used in emergency treatment.

At present, the mode of checking the gas tightness generally is to fill gas into one end of the tube body and plug the end of the tube body, so that the tube body is in a gas inflation pressure maintaining state, then the tube body is immersed in water, the gas tightness is judged in a mode of observing bubbles, the method has low test efficiency, human factors greatly influence the leakage test effect, no accuracy is provided, data cannot be quantized, inconvenient tracking and reason judgment are performed, secondary pollution can be caused to products, drying is needed, the risk that initial pollution bacteria exceed the standard exists for medical equipment products, in addition, different tubular medical equipment sizes are different, when the tube body is inflated, different gas pipes are needed to be used according to different sizes, the practicability is poor, and resource waste is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, an object of the present invention is to provide a device for detecting air tightness of medical devices.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a medical instrument gas tightness detection device, includes removal air pump, solenoid valve and connector, remove the air pump the solenoid valve with connect through gas-supply pipe one between the connector, set up the solenoid valve with baroceptor between the connector pass through gas-supply pipe two with gas-supply pipe one is connected, the tip of connector still is provided with the folding silica gel cover that can carry out adaptability and adjust according to the internal diameter size of test tube.

The connecting structure is characterized in that the outer ring wall of the connecting head is provided with a first thread, the end part of the connecting head is provided with a plurality of rectangular grooves at equal angles, and a first connecting rod is rotatably connected in each rectangular groove.

The connecting device is characterized in that a locking ring and a connecting ring are arranged on the outer ring wall of the connecting head corresponding to the first threads, a second thread matched with the first threads is arranged on the inner ring wall of the locking ring, and a sliding groove is further formed in one side wall of the locking ring.

The slide block is fixedly connected to a position, corresponding to the slide groove, of one side wall of the connecting ring, the slide groove and the slide block are matched components, and the other side wall of the connecting ring is connected with a plurality of second connecting rods in an equal-angle rotating mode.

Further, the end part of the second connecting rod is rotatably connected with the end part of the first connecting rod.

The connecting rod I is fixedly connected with the connecting ring I, the connecting rod II is fixedly connected with the connecting ring I, and the connecting rod I is fixedly connected with the connecting ring II.

The utility model has the advantages that:

1. compared with the traditional air tightness detection, when the test tube has micro leakage, because a certain pressure exists in water, the micro leakage part does not generate bubbles necessarily, or the generated bubbles are too small to be perceived by naked eyes, and the air pressure sensor can accurately judge whether the air tightness defect exists in the test tube, so that the defect product is prevented from flowing into a hospital for use, the potential safety hazard is prevented from being buried, and the test tube does not need to be dried in the mode, so that the bacterial infection is prevented from being caused;

2. through using the folding cabinet rubber cover that can adjust size, need not to change the gas-supply pipe of multiple size can be for the test tube gas transmission, practiced thrift resource and time, comparatively practical.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 3 at A;

FIG. 3 is a schematic structural diagram of the connecting head of the present invention;

fig. 4 is a schematic side view of the connecting head of the present invention;

FIG. 5 is a schematic structural diagram of a first connecting rod of the present invention;

fig. 6 is a schematic structural view of a folding silicone cover in the present invention;

FIG. 7 is a schematic structural diagram of a first thread of the present invention;

FIG. 8 is a schematic structural view of a second connecting rod of the present invention;

fig. 9 is a schematic structural view of a connection ring in the present invention;

fig. 10 is a schematic structural view of the middle thread two of the present invention.

In the figure: 1. moving the air pump; 2. an electromagnetic valve; 3. a connector; 31. a first thread; 32. a rectangular groove; 33. a first connecting rod; 34. locking a ring; 35. a second thread; 36. a chute; 37. a connecting ring; 38. a slider; 39. a second connecting rod; 4. folding the silica gel cover; 41. looping a silica gel ring I; 42. a silica gel ring II; 5. a first gas transmission pipe; 6. an air pressure sensor; 61. a second gas conveying pipe; 7. and (6) testing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1 and figure 2, a medical instrument gas tightness detection device, including removing air pump 1, solenoid valve 2 and connector 3, remove air pump 1, connect through gas-supply pipe one 5 between solenoid valve 2 and the connector 3, atmospheric pressure sensor 6 that sets up between solenoid valve 2 and the connector 3 is connected with gas-supply pipe one 5 through gas-supply pipe two 61, and the tip of connector 3 still is provided with the folding silica gel cover 4 that can carry out the adaptability according to the internal diameter size of test tube 7 and adjust.

When the test tube is used, one end of the connector 3 with the folding silicone rubber cover 4 is inserted into the inner cavity of the test tube 7, then the locking ring 34 can be rotated, the first screw thread 31 and the second screw thread 35 are matched with each other, so the locking ring 34 moves along the outer ring wall of the connector 3, the connecting ring 37 is driven to move while the locking ring 34 moves as the connecting ring 37 is rotatably connected with the locking ring 34 through the sliding block 38, at the moment, the connecting rods 39 on the side wall of the connecting ring 37 are overturned, the connecting rods 33 rotatably connected with the connecting rods 39 are overturned, the folding silicone rubber cover 4 sleeved on the outer walls of the connecting rods 39 extends, when the silicone rubber ring 41 at the end part of the folding silicone rubber cover 4 is abutted against the inner ring wall of the test tube 7, the locking ring 34 cannot move further, and at the moment, the next operation can be carried out.

As shown in fig. 3 and 4, the outer annular wall of the connecting head 3 is provided with a first thread 31, the end of the connecting head 3 is provided with a plurality of rectangular grooves 32 at equal angles, a first connecting rod 33 is further rotatably connected in each rectangular groove 32, as shown in fig. 5 and 10, the outer annular wall of the connecting head 3 is provided with a locking ring 34 and a connecting ring 37 at a position corresponding to the first thread 31, the inner annular wall of the locking ring 34 is provided with a second thread 35 matched with the first thread 31, one side wall of the locking ring 34 is further provided with a sliding groove 36, as shown in fig. 8 and 9, a sliding block 38 is fixedly connected to a position corresponding to the sliding groove 36 on one side wall of the connecting ring 37, the sliding groove 36 and the sliding block 38 are matching members, the other side wall of the connecting ring 37 is rotatably connected with a plurality of second connecting rods 39 at equal angles, as shown in fig. 7 and 8, the ends of the second connecting rods 39 are rotatably connected with the end of the first connecting rods 33.

The tester plugs up the other end of test tube 7 on next step, then can start mobile air pump 1, the gas in the mobile air pump 1 loops through solenoid valve 2 by gas-supply pipe 5, and atmospheric pressure sensor 6 and connector 3 and finally get into in the test tube 7, after the atmospheric pressure in the test tube 7 that awaits measuring reaches rated load, close solenoid valve 2 and after a period of stewing, if test tube 7 does not have the leak source, atmospheric pressure sensor 6's reading should be stabilized in certain extent, and if test tube 7 has the leak source, atmospheric pressure sensor 6's reading then can constantly reduce, and then judge that this test tube 7 is the defective goods, get into process on next step.

As shown in fig. 5 and 6, the telescopic folding silica gel cover 4 is sleeved outside the second connecting rod 39, two ends of the folding silica gel cover 4 are fixedly connected with a first silica gel ring 41 and a second silica gel ring 42 respectively, the first silica gel ring 41 is fixedly connected with the end portions of the first connecting rods 33, and the second silica gel ring 42 is fixedly connected with the side wall of the connecting ring 37.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a medical instrument gas tightness detection device, includes removal air pump (1), solenoid valve (2) and connector (3), its characterized in that, remove air pump (1) solenoid valve (2) with connect through gas-supply pipe (5) between connector (3), set up solenoid valve (2) with baroceptor (6) between connector (3) through gas-supply pipe two (61) with gas-supply pipe (5) are connected, the tip of connector (3) still is provided with folding silica gel cover (4) that can carry out adaptability and adjust according to the internal diameter size of test tube (7).

2. The device for detecting the airtightness of the medical instrument according to claim 1, wherein a first thread (31) is formed on an outer annular wall of the connector (3), a plurality of rectangular grooves (32) are formed in the end portions of the connector (3) at equal angles, and a first connecting rod (33) is rotatably connected in each rectangular groove (32).

3. The device for detecting the airtightness of the medical instrument according to claim 2, wherein a locking ring (34) and a connecting ring (37) are disposed on an outer annular wall of the connector (3) at positions corresponding to the first threads (31), a second thread (35) matching with the first thread (31) is disposed on an inner annular wall of the locking ring (34), and a sliding groove (36) is further disposed on a side wall of the locking ring (34).

4. The device for detecting the airtightness of the medical instrument according to claim 3, wherein a slide block (38) is fixedly connected to a side wall of the connection ring (37) at a position corresponding to the slide groove (36), the slide groove (36) and the slide block (38) are matched components, and a plurality of second connection rods (39) are rotatably connected to the other side wall of the connection ring (37) at equal angles.

5. The device for detecting the airtightness of a medical instrument according to claim 4, wherein an end portion of the second connecting rod (39) is rotatably connected to an end portion of the first connecting rod (33).

6. The medical instrument airtightness detection device according to claim 5, wherein a telescopic folding silica gel cover (4) is sleeved outside the second connection rod (39), two ends of the folding silica gel cover (4) are fixedly connected with a first silica gel ring (41) and a second silica gel ring (42) respectively, the first silica gel ring (41) is fixedly connected with end portions of the first connection rods (33), and the second silica gel ring (42) is fixedly connected with side walls of the connection rings (37).