CN211061135U - Gas detection device for disposable negative pressure drainage device - Google Patents
Gas detection device for disposable negative pressure drainage device Download PDFInfo
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- CN211061135U CN211061135U CN201922450545.3U CN201922450545U CN211061135U CN 211061135 U CN211061135 U CN 211061135U CN 201922450545 U CN201922450545 U CN 201922450545U CN 211061135 U CN211061135 U CN 211061135U
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- workbench
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Abstract
The utility model discloses a gas detection device for a disposable negative pressure drainage device, which comprises a workbench, wherein the middle part of the workbench is upwards provided with a rotary platform; the surface of the rotary platform is provided with at least 2 pairs of fixing holes; a pair of guide posts is vertically arranged at the outer edge of the fixing hole; the workbench is provided with a bracket crossing the rotary platform, push rods are arranged at two ends of the bracket, the bottom of each push rod is connected with a cover pressing plate, and guide holes matched with the guide columns are formed in the edges of the cover pressing plates; the lower surface of the cover pressing plate is provided with a plug assembly, the plug assembly comprises a plurality of plugs, and the number of the plugs is consistent with the number of the openings of the drainage device; and any one of the plugs is provided with a vent hole and an air pressure sensor, and the vent hole is connected with an external air source through an air pipe. The utility model provides a gas detection device for disposable negative pressure drainage ware realizes examining the product gas tightness entirely, and can not cause the pollution, reduces extravagantly to the product in the testing process.
Description
Technical Field
The utility model relates to a drainage ware production field especially relates to a gas detection device for disposable negative pressure drainage ware.
Background
The disposable negative pressure drainage device is used for solving the problems of postoperative care such as negative pressure sputum suction, negative pressure drainage of accumulated fluid in each viscera, catheterization and the like of a patient, has the advantages of convenient use, carrying, replacement and the like, and can prevent cross infection and the like due to disposable use. Because disposable negative pressure drainage ware makes it form the negative pressure state with the external world through discharging air in the drainage bottle to make the waste liquid of the drainage tube other end pass through the drainage tube and flow to in the drainage bottle, realize the purpose of drainage, the gas tightness of negative pressure drainage ware is especially important to realizing its drainage function from this.
In the process of producing the disposable negative pressure drainage device, the negative pressure drainage device needs to be subjected to tightness detection, and the current universal detection means is as follows: and (4) sampling and inspecting the semi-finished product according to the proportion of 10%, manually inflating the semi-finished product, and then putting the semi-finished product into water for observation to check whether the semi-finished product has an air leakage phenomenon. However, the detection mode adopts manual inspection, so that the working efficiency is low; the sealing performance of each product cannot be ensured by adopting sampling inspection according to a proportion; and the negative pressure drainage device product is placed into water for observation and inspection, so that the product can not be reused, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
In order to solve the defects of the prior art, the utility model provides an air detection device for a disposable negative pressure drainage device, which comprises a workbench, wherein a rotary platform is upwards arranged in the middle of the workbench, and the bottom of the rotary platform is in transmission connection with a motor output shaft through a rotating shaft; the surface of the rotary platform is provided with at least 2 pairs of fixing holes for placing a drainage device; the outer edge of the fixing hole is provided with a pair of guide holes with the centers of the fixing holes symmetrically distributed;
the workbench is provided with a bracket crossing the rotary platform, two ends of the bracket are provided with push rods driven by a power part to move up and down, the bottom of each push rod is connected with a cover pressing plate, and the edge of the cover pressing plate is downwards vertically provided with a guide post matched with the guide hole;
the lower surface of the cover pressing plate is provided with a plug assembly, the plug assembly comprises a plurality of plugs, the number of the plugs is consistent with that of the openings of the drainage device, and each plug is matched with the corresponding opening of the drainage device; any one of the plugs is provided with an air vent and an air pressure sensor, the air pressure sensor is installed on the bottom surface of the plug, one end of the air vent penetrates through the plug and is communicated with the inside of the drainage device, the other end of the air vent is connected with an external air source through an air pipe, and an exhaust pipe with an electromagnetic valve arranged at the pipe orifice is further connected to the air pipe;
the display screen is installed on the support, and the display screen, the air pressure sensor and the motor are all electrically connected with the controller.
Preferably, an annular stabilizing boss is vertically arranged between the edge of the bottom of the rotating platform and the workbench, and the stabilizing boss is coaxial with the rotating shaft; stabilize boss upper surface undercut and have the fluting, be equipped with a plurality of balls in the fluting, ball upper surface protrusion stabilizes boss surface and contacts with rotary platform lower surface.
Preferably, the power part adopts a cylinder electrically connected with the controller, the cylinder is vertically installed on the support through a cylinder installation frame, and a piston rod of the cylinder is connected with the push rod.
Preferably, the bottom of the guide column is provided with a buffer part, and the buffer part is of a circular truncated cone-shaped structure with a downward small end face.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses a plug subassembly seals up all openings of waiting to examine the negative pressure drainage ware for the inside sealed cavity that forms of waiting to examine the negative pressure drainage ware, fills certain gas into through the trachea to sealed cavity, after stopping aerifing, the baroceptor of the plug bottom surface that is located sealed cavity surveys gas pressure, and shows the pressure data that obtains of survey by the display screen display, judges the leakproofness of product according to the change of pressure data; the air tightness of the product is fully detected, the quality of each product is guaranteed, the product does not need to be put into water in the detection process, the product is not polluted, and waste is reduced;
2. the air tightness of a pair of negative pressure drainage device products can be checked at the same time, so that the checking efficiency is improved; when the product to be detected in the fixed hole is detected, the negative pressure drainage device product can be loaded and unloaded to and from the other fixed hole on the rotating platform, so that batch detection can be realized, the working time is saved, and the detection working efficiency is improved;
3. the guide holes around the fixing hole are matched with the guide columns on the cover pressing plate to provide a calibration guide effect, so that the cover pressing plate can move downwards to accurately cover the product, and all openings of the product are blocked by the plug assemblies.
Drawings
Fig. 1 is the structural schematic diagram of the gas detection device for the disposable negative pressure drainage device of the utility model.
Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic structural diagram of B in fig. 1 according to the present invention.
Fig. 4 is a schematic top view of the gas detection device of the present invention.
Fig. 5 is the schematic view of the plug plugging and inflating structure of the present invention.
Reference numerals: 1-workbench, 2-rotary platform, 21-rotating shaft, 22-motor, 3-fixing hole, 31-guiding hole, 4-bracket, 5-push rod, 51-cover pressing plate, 511-guiding column, 512-buffer part, 52-plug, 6-vent hole, 61-air pipe, 62-exhaust pipe, 621-electromagnetic valve, 7-air pressure sensor, 8-display screen, 9-controller, 10-stable boss, 101-slot, 11-ball, 12-air cylinder, 121-air cylinder mounting rack, 15-negative pressure flow diverter to be detected, and 16-external air source.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1-5 show an air detection device for a disposable negative pressure drainage device of the utility model, which comprises a workbench 1, wherein a rotary platform 2 is arranged upwards in the middle of the workbench 1, and the bottom of the rotary platform 2 is in transmission connection with an output shaft of a motor 22 through a rotating shaft 21; the surface of the rotary platform 2 is provided with at least 2 pairs of fixing holes 3 for placing drainage devices; the outer edge of the fixing hole 3 is provided with a pair of guide holes 31 which are symmetrically distributed by the center of the fixing hole 3;
a support 4 crossing the rotary platform 2 is arranged on the workbench 1, push rods 5 driven by a power part to move up and down are arranged at two ends of the support, a cover pressing plate 51 is connected to the bottom of each push rod 5, and guide columns 511 matched with the guide holes 31 are vertically arranged at the edges of the cover pressing plate 51 downwards;
the lower surface of the cover pressing plate 51 is provided with a plug assembly, the plug assembly comprises a plurality of plugs 52, the number of the plugs 52 is consistent with that of the openings of the flow diverter, and each plug 52 is matched with the corresponding opening of the flow diverter; any one of the plugs 52 is provided with a vent hole 6 and an air pressure sensor 7, the air pressure sensor 7 is installed on the bottom surface of the plug 52, one end of the vent hole 6 penetrates through the plug 52 to be communicated with the inside of the flow diverter, the other end of the vent hole is connected with an external air source through an air pipe 61, and an exhaust pipe 62 with an electromagnetic valve 621 arranged at the pipe orifice is further connected to the pipe of the air pipe 61;
install display screen 8 on the support 4, display screen 8, baroceptor 7, motor 22 all with controller 9 electric connection.
In the technical scheme, the automatic air detection equipment can simultaneously carry out air tightness detection on a pair of negative pressure drainage device products, so that the detection efficiency is improved, the air tightness of the products is completely detected, the quality of each product is ensured, the products do not need to be put into water in the detection process, the products are not polluted, the waste is reduced, and the cost is saved; when a product to be detected in the fixed hole 3 is detected, the negative pressure drainage device product can be assembled and disassembled in the other fixed hole 3 on the rotating platform 2, so that batch detection can be realized, the working time is saved, and the detection working efficiency is improved; the horizontal plane of the bottom of the guide column 511 is lower than the horizontal plane of the bottom of any plug 52, the guide hole 31 and the guide column 511 are used for providing a calibration guide effect, when the guide column 511 is arranged above the guide hole 31 at the bottom of the guide column 511, the rotating platform stops rotating, observation of an operator is facilitated, downward movement of the cover pressing plate 51 is facilitated, the cover pressing plate is accurately covered above a product, errors are reduced, all openings of the product are blocked by plug components, and detection accuracy is guaranteed.
The working principle is as follows: placing a negative pressure drainage device product to be detected in each fixing hole 3, wherein the top of the negative pressure drainage device protrudes out of the surface of the rotary platform 2, controlling the starting motor 22, wherein the motor 22 adopts a stepping motor, the motor 22 drives the rotating shaft 21 to rotate, so that the rotary platform 2 is driven to rotate, the negative pressure drainage device product to be detected is positioned below the cover pressing plate 51, the bottom of the guide column 511 is positioned above the guide hole 31, and the rotary platform 2 stops rotating; the power part drives the push rod 5 to move downwards, the guide column 511 of the cover pressing plate 51 is firstly inserted into the guide hole 31, and under the guide of the guide hole 31, the cover pressing plate 51 continues to move downwards until the plug 52 enters the opening of the negative pressure flow diverter product to be detected to plug the opening; the external air source can be an air pump, the air pipe 61 adopts a telescopic hose to realize movement, the lifting of the cover pressing plate 51 is prevented from being influenced, air with certain pressure is filled into the negative pressure drainage device product to be detected through the air pipe 61, after the inflation is stopped, the air pressure sensor 7 at the bottom surface of the plug 52 measures the air pressure, the measured pressure data is displayed by the display screen 8, and the sealing performance of the product is judged according to the change of the pressure data; the pressure data of the display screen 8 does not change after the inflation is stopped, which shows that the air tightness of the product is good, and if the pressure data of the display screen 8 decreases after the inflation is stopped, which shows that the air tightness of the product is poor and the air leakage condition exists;
after the detection is finished, the electromagnetic valve 621 is controlled to be opened, the gas in the product enters the exhaust pipe 62 through the gas pipe 61 and is discharged, the power part drives the push rod 5 to move upwards, the plug 52 is drawn out from the product opening, the guide column 511 is drawn out from the guide hole 31, the rotary platform 2 is controlled to rotate, the product after the detection is finished is moved out of the lower part of the cover pressing plate 51, meanwhile, the products to be detected in other fixing holes 3 are moved to the lower part of the cover pressing plate 51, the gas detection operation is repeated, the products after the detection are taken out at the same time, and new products to be detected are loaded.
In another example, an annular stabilizing boss 10 is vertically arranged between the bottom edge of the rotating platform 2 and the workbench 1, and the stabilizing boss 10 is coaxial with the rotating shaft 21; stabilize boss 10 upper surface undercut and have fluting 101, be equipped with a plurality of balls 11 in the fluting 101, the boss 10 surface is stabilized in 11 upper surface protrusions of ball and with rotary platform 2 lower surface contact.
In the technical scheme, the output shaft of the motor 22 drives the rotating shaft 21 to rotate, the rotating shaft 21 is easy to deviate from the axis in the rotating process, so that the rotating platform 2 is inclined to cause the top surface of a negative pressure drainage device product to be detected to incline, the plug 52 cannot fully plug the top opening of the product, air leakage exists, and the detection accuracy is influenced, and by adopting the scheme, the arrangement of the stable boss 10 enables the rotating platform 2 to be always kept in a horizontal state in the rotating process, so that the detection accuracy is ensured, and the occurrence of false detection is avoided; the provision of the balls 11 facilitates the effective smooth rotation of the rotary platform 2.
In another example, the power member employs a cylinder 12 electrically connected to the controller 9, the cylinder 12 is vertically mounted on the bracket 4 through a cylinder mounting bracket 121, and a piston rod of the cylinder 12 is connected to the push rod 5. With the scheme, the air cylinder 12 drives the push rod 5 to move, so that the plug 52 moves up and down.
In another example, a buffer part 512 is arranged at the bottom of the guide column 511, and the buffer part 512 is in a truncated cone shape with a downward small end face. By adopting the scheme, the guide column 511 can be conveniently inserted into the guide hole 31, and meanwhile, an operator can conveniently observe the alignment condition of the guide column 511 and the guide hole 31 to carry out calibration operation.
While the embodiments of the invention have been described above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications can be easily made by those skilled in the art without departing from the general concept defined by the claims and their equivalents, and it is therefore not limited to the specific details and illustrations shown and described herein, and it is obvious that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (4)
1. The gas detection device for the disposable negative pressure drainage device is characterized by comprising a workbench (1), wherein a rotary platform (2) is upwards arranged in the middle of the workbench (1), and the bottom of the rotary platform (2) is in transmission connection with an output shaft of a motor (22) through a rotating shaft (21); the surface of the rotary platform (2) is provided with at least 2 pairs of fixing holes (3) for placing drainage devices; a pair of guide holes (31) which are symmetrically distributed with the center of the fixing hole (3) are formed in the outer edge of the fixing hole (3);
a support (4) crossing the rotary platform (2) is arranged on the workbench (1), push rods (5) driven by a power part to move up and down are arranged at two ends of the support, a cover pressing plate (51) is connected to the bottom of each push rod (5), and guide columns (511) matched with the guide holes (31) are vertically arranged downwards at the edge of each cover pressing plate (51);
the lower surface of the cover pressing plate (51) is provided with plug assemblies, each plug assembly comprises a plurality of plugs (52), the number of the plugs (52) is consistent with that of the openings of the flow diverter, and each plug (52) is matched with the corresponding opening of the flow diverter; any one of the plugs (52) is provided with a vent hole (6) and an air pressure sensor (7), the air pressure sensor (7) is installed on the bottom surface of the plug (52), one end of the vent hole (6) penetrates through the plug (52) to be communicated with the inside of the drainage device, the other end of the vent hole is connected with an external air source through an air pipe (61), and an exhaust pipe (62) with an electromagnetic valve (621) at a pipe orifice is further connected to the air pipe (61);
install display screen (8) on support (4), display screen (8), baroceptor (7), motor (22) all with controller (9) electric connection.
2. The air detection device for the disposable negative pressure flow diverter is characterized in that an annular stabilizing boss (10) is vertically arranged between the bottom edge of the rotating platform (2) and the workbench (1), and the stabilizing boss (10) is coaxial with the rotating shaft (21); stabilize boss (10) upper surface undercut and have fluting (101), be equipped with a plurality of balls (11) in fluting (101), ball (11) upper surface protrusion stabilizes boss (10) surface and contacts with rotary platform (2) lower surface.
3. The air detection device for the disposable negative pressure flow diverter as recited in claim 1, wherein the power part adopts a cylinder (12) electrically connected with the controller (9), the cylinder (12) is vertically installed on the bracket (4) through a cylinder installation frame (121), and a piston rod of the cylinder is connected with the push rod (5).
4. The air detection device for the disposable negative pressure flow diverter as recited in claim 1, wherein a buffer part (512) is arranged at the bottom of the guide column (511), and the buffer part (512) is of a truncated cone-shaped structure with a downward small end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450545.3U CN211061135U (en) | 2019-12-30 | 2019-12-30 | Gas detection device for disposable negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450545.3U CN211061135U (en) | 2019-12-30 | 2019-12-30 | Gas detection device for disposable negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061135U true CN211061135U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922450545.3U Active CN211061135U (en) | 2019-12-30 | 2019-12-30 | Gas detection device for disposable negative pressure drainage device |
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| Country | Link |
|---|---|
| CN (1) | CN211061135U (en) |
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- 2019-12-30 CN CN201922450545.3U patent/CN211061135U/en active Active
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