CN202853865U - Leakage detection device between needle stand and infusion tube of transfusion device - Google Patents
Leakage detection device between needle stand and infusion tube of transfusion device Download PDFInfo
- Publication number
- CN202853865U CN202853865U CN 201220396056 CN201220396056U CN202853865U CN 202853865 U CN202853865 U CN 202853865U CN 201220396056 CN201220396056 CN 201220396056 CN 201220396056 U CN201220396056 U CN 201220396056U CN 202853865 U CN202853865 U CN 202853865U
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- gas
- needle stand
- storage piece
- woven hose
- guide plate
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Abstract
The present utility model relates to a leakage detection device between a needle stand and an infusion tube of a transfusion device. The device is characterized in that the device comprises a support, the support is provided with a mobile mechanism for sealingly connecting an air testing assembly with the needle stand, the support is also provided with an air transporting mechanism for providing compressed air for the air testing assembly, and a leakage judging mechanism is connected on the air transporting mechanism. In the leakage detection device between the needle stand and the infusion tube of transfusion device, leakage detection between the needle stand and the infusion tube is automatic; as manual operation is replaced by automatic detection, detection efficiency is greatly enhanced, products will not be polluted by pathogenic bacteria, cleanliness of products can be guaranteed; large amount of energy and production space will not be consumed, detection costs can be greatly reduced.
Description
Technical field
The utility model relates to a kind of needle stand of transfusion device and the gas leak detection device between the woven hose, belongs to technical field of medical treatment mechanical.
Background technology
Along with the raising of social life level, transfusion is widely used in the various clinical cases more as a kind of important therapeutic modality.Present whole transfusion device generally includes dropper component, woven hose, puncture needle and is used for installing the needle stand of puncture needle.Dropper component comprises dropping funnel and two-way/three-way connector, and woven hose connects together dropper component and needle stand.In order to prevent the generation of the security incidents such as leakage, quite high requirement has been proposed for the sealing of transfusion device.There is the junction etc. of junction, woven hose and needle stand of junction, web member and the woven hose of dropping funnel and web member at the position that leakage occurs whole transfusion device easily.Whether these positions leak gas and all finish by craft at present, cause detection efficiency extremely low.And manual operations makes transfusion device catch germ easily, causes the product hygienic requirements defective; In order to overcome this defective, often to carry out strict disinfecting to the direct labor, in huge sterile purification workshop, operate simultaneously, need to consume the huge energy and production space, testing cost is high.
The utility model content
For defective of the prior art, the utility model provides a kind of can make the gas leakage between needle stand and the woven hose detect realize robotization, and can reduce testing cost, guarantees the needle stand of transfusion device of product cleanliness factor and the gas leak detection device between the woven hose.
For reaching the technical scheme that above-mentioned utility model purpose the utility model adopts be:
The needle stand of transfusion device and the gas leak detection device between the woven hose, it is characterized in that comprising support, the travel mechanism of docking with the needle stand sealing for the gas testing assembly is installed on the described support, promising described gas testing assembly also is installed on the described support compressed-air actuated gas transmission mechanism is provided, be connected with the gas leakage decision mechanism in the described gas transmission mechanism.
As the further optimization to technique scheme, described travel mechanism comprises the guide shaft that is fixed on the described support, the linear bearing that can move along described guide shaft is housed on the described guide shaft, be fixed with on the described linear bearing by driving cylinder and drive the cylinder mainboard that moves, described driving cylinder is fixed on the described support by cylinder block.
As the further optimization to technique scheme, described gas testing assembly comprises the guide plate that is fixed on the described driving cylinder, be equipped with in the described guide plate be used to stretching into described needle stand inner chamber and compressed-air actuated gas testing head being provided, described examination is equipped with the gas testing plug that seals mutually with described needle stand end in a fit of anger when the gas testing head stretches into the needle stand inner chamber.
As the further optimization to technique scheme, described gas transmission mechanism comprises the gas storage piece that is connected with extraneous source of the gas, and the pressure gas in the described gas storage piece is delivered to a described gas testing inner chamber by conduit.
As the further optimization to technique scheme, described gas leakage decision mechanism comprises the conduit that is connected on the described gas storage piece, the end of described conduit is equipped with rain glass, and described rain glass is connected with the atmospheric pressure value that shows according to rain glass and judges the PLC that whether leaks gas between needle stand and the woven hose.
As the further optimization to technique scheme, described guide plate comprises the first guide plate and the second guide plate that is fixedly connected with, described the first guide plate is fixed on the described cylinder mainboard, be shaped with spring base between described the second guide plate and the first guide plate, the local increase of part that described gas testing head is positioned at described spring base forms the spring pressure ring, is provided with the spring that thrust can be provided for described spring pressure ring in the described spring base.
As the further optimization to technique scheme, described gas storage piece comprises from extraneous source of the gas and obtains compressed-air actuated the first gas storage piece, and provide compressed-air actuated the second gas storage piece for described gas testing head and described rain glass simultaneously, be provided with compressed air delivery after the pressurized air of described the first gas storage piece regulated and will regulate between described the first gas storage piece and described the second gas storage piece to the pressure regulator valve of described the second gas storage piece.
As the further optimization to technique scheme, the gas outlet of described pressure regulator valve is provided with for the retaining valve that stops pressurized air to reflux.
The utility model provides a kind of needle stand of transfusion device and the gas leak detection device between the woven hose, realizes robotization so that the gas leakage between needle stand and the woven hose detects; After robotization detection replacement manually-operated, both increased substantially detection efficiency, can make again product not be subjected to pathogen contamination, guaranteed the cleanliness factor of product; Nor need to consume the huge energy and production space, significantly reduced testing cost.
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Description of drawings
Fig. 1 is the structural representation of a kind of preferred embodiments of the utility model;
Fig. 2 is the structure for amplifying synoptic diagram of Fig. 1 pilot scale pneumatic module.
Embodiment
As shown in Figure 1 and Figure 2, a kind of needle stand of transfusion device and the gas leak detection device between the woven hose, comprise support 6, the travel mechanism of docking with needle stand 24 sealings for the gas testing assembly is installed on the described support 6, promising described gas testing assembly also is installed on the described support 6 compressed-air actuated gas transmission mechanism is provided, be connected with the gas leakage decision mechanism in the described gas transmission mechanism.
Described travel mechanism comprises the guide shaft 5 that is fixed on the described support 6, and being equipped with two on the described guide shaft 5 can only be along the linear bearing 7 of described guide shaft 5 move left and right.Be fixed with cylinder mainboard 4 on the described linear bearing 7, cylinder mainboard 4 carries out move left and right by driving cylinder 19 drives, its concrete structure is to be fixed with cylinder pushing block 20 on the described cylinder mainboard 4, the tailpiece of the piston rod of described driving cylinder 19 and cylinder pushing block 20 are fixing, and the purpose of design is so that more compact structure like this.Why adopting two linear bearings 7 is in order to make cylinder mainboard 4 more steady in moving process.Described driving cylinder 19 is fixed on the described support 6 by cylinder block 18.
Described gas testing assembly comprises the guide plate that is fixed on the described driving cylinder 19, be equipped with in the described guide plate be used to stretching into described needle stand 24 inner chambers and compressed-air actuated gas testing 1 being provided, the gas testing plug 23 that seals mutually with described needle stand 24 ends when needle stand 24 inner chamber is stretched in gas testing 1 is installed in the described gas testing 1, and described gas testing plug 23 is enclosed within the outer wall of gas testing 1.
Described gas transmission mechanism comprises the gas storage piece that is connected with extraneous source of the gas, its effect is to obtain pressure gas from the external world and shunt conveying, and the pressure gas in the described gas storage piece is delivered to described gas testing 1 inner chamber by gas-tpe fitting 13 and the 4th conduit 21 that is connected with gas-tpe fitting 13.
Described gas leakage decision mechanism comprises the gas-tpe fitting 13 that is connected on the described gas storage piece and the 3rd conduit 15 that is connected with this gas-tpe fitting 13, the end of described the 3rd conduit 15 is equipped with rain glass 17, rain glass 17 is installed on the rain glass platform 16, and rain glass platform 16 is fixed on cylinder block 18 outer ends.Because the 3rd conduit 15 is connected by the gas storage piece with the 4th conduit 21, so rain glass 17 can show the atmospheric pressure value in two conduits in real time.Also be connected with the PLC(programmable logic controller (PLC) on the rain glass 17), PLC judges between needle stand and the woven hose whether leak gas according to the atmospheric pressure value that rain glass 17 shows, be specially: rain glass 17 is provided with standard value (certified products barometric minimum), the numerical value that shows on rain glass 17 judges then that more than or equal to standard value this product is certified products; And if the numerical value that shows on the rain glass 17 then represents gas leakage less than standard value, judge that this product is waste product.
As the further optimization to technique scheme, described guide plate comprises the first guide plate 2 and the second guide plate 3 that is fixedly connected with, described the first guide plate 2 is fixed on the described cylinder mainboard 4, be shaped with spring base between described the second guide plate 3 and the first guide plate 2, the local increase of part that described gas testing 1 is positioned at described spring base forms spring pressure ring 26, is provided with in the described spring base to contact with described spring pressure ring 26 and provide the spring 22 of thrust for it.The purpose of spring 22 is set, and one provides buffering, and the 2nd, when needle stand 24 inner chamber is stretched in gas testing 1, compress gas testing plug 23 its maintenance is sealed mutually with needle stand 24 ends.
As the further optimization to technique scheme, described gas storage piece comprises from extraneous source of the gas and obtains compressed-air actuated the first gas storage piece 12, and provide compressed-air actuated the second gas storage piece 14 for described gas testing 1 and described rain glass 17 simultaneously, be provided with compressed air delivery after the pressurized air of described the first gas storage piece 12 regulated and will regulate between described the first gas storage piece 12 and described the second gas storage piece 14 to the pressure regulator valve 9 of described the second gas storage piece 14.Its concrete structure is: the air intake opening 25 of the first gas storage piece 12 is connected with extraneous source of the gas, and the gas outlet is equipped with gas-tpe fitting 13; One of the first conduit 10 terminates at the air intake opening of pressure regulator valve 9, and the other end is connected on the gas-tpe fitting 13 of the first gas storage piece 12 gas outlets; Wherein pressure regulator valve 9 is fixed on the support 6 by pressuring adjusting valve base 8; One of the second tracheae 11 terminates on the retaining valve of gas outlet of pressure regulator valve 9, and the other end is connected on the gas-tpe fitting 13 on the second gas storage piece 14 air intake openings.This structure can make the gas storage piece provide certain limit interior arbitrary atmospheric pressure value, with supporting with the standard value of rain glass 17 settings, has reduced simultaneously the to external world compressed-air actuated atmospheric pressure value requirement of source of the gas.
Principle of work of the present utility model is as follows:
The piston rod that drives cylinder 19 stretches out, and promotes cylinder mainboard 4 and axially moves forward along guide shaft 5, and the front end of gas testing 1 reaches the inner chamber of needle stand 24, and gas testing plug 23 is blocked needle stand 24 ends, avoids gas leakage.
Needle stand 24 wherein connects woven hose, and the other end of woven hose is plugged.
Pressurized air enters from the air intake opening 25 of the first gas storage piece 1, and pressurized air is entered the air intake opening of pressure regulator valve 9 by gas-tpe fitting 13 and the first tracheae 10, the pressurized air of regulating by pressure regulator valve 9 enters the second gas storage piece 14 from the gas outlet and by the second tracheae 11, two gas outlets of the second gas storage piece 14, one leads to rain glass 17 by the 3rd tracheae 15, and gas testing 1 is led to by the 4th tracheae 21 in another gas outlet.
Rain glass 17 is provided with standard value, and the numerical value that shows on rain glass 17 represents then that greater than standard value product is certified products, if the numerical value that shows on the rain glass 17 represents then that less than standard value product is waste product.Waste product will be picked at next station, be put into the waste product district.Certified products will be put into the finished product district.
Another function of the technical program is that inspection is stifled: after the operation of leaking hunting finished, woven hose was plugged the other end and decontrols, and endotracheal pressurized air light leak within the regular hour, the numerical value on the rain glass 17 be less than rating number, represented that then workpiece do not block.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all in the art technician, all should fall in the protection domain of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment according to design of the present utility model.
Claims (3)
1. the needle stand of transfusion device and the gas leak detection device between the woven hose, it is characterized in that comprising support (6), the travel mechanism of docking with needle stand (24) sealing for the gas testing assembly is installed on the described support (6), promising described gas testing assembly also is installed on the described support (6) compressed-air actuated gas transmission mechanism is provided, be connected with the gas leakage decision mechanism in the described gas transmission mechanism.
2. the needle stand of transfusion device according to claim 1 and the gas leak detection device between the woven hose, it is characterized in that described travel mechanism comprises the guide shaft (5) that is fixed on the described support (6), being equipped with on the described guide shaft (5) can be along the mobile linear bearing (7) of described guide shaft (5), be fixed with on the described linear bearing (7) by driving cylinder (19) and drive the cylinder mainboard (4) that moves, described driving cylinder (19) is fixed on the described support (6) by cylinder block (18).
3. the needle stand of transfusion device according to claim 2 and the gas leak detection device between the woven hose, it is characterized in that described gas testing assembly comprises the guide plate that is fixed on the described driving cylinder (19), be equipped with in the described guide plate be used to stretching into described needle stand (24) inner chamber and compressed-air actuated gas testing head (1) being provided, the gas testing plug (23) that seals mutually with described needle stand (24) end when gas testing head (1) stretches into needle stand (24) inner chamber is installed on the described gas testing head (1).
4
.The needle stand of transfusion device according to claim 3 and the gas leak detection device between the woven hose, it is characterized in that described gas transmission mechanism comprises the gas storage piece that is connected with extraneous source of the gas, the pressure gas in the described gas storage piece is delivered to described gas testing head (1) inner chamber by conduit.
5
.The needle stand of transfusion device according to claim 4 and the gas leak detection device between the woven hose, it is characterized in that described gas leakage decision mechanism comprises the conduit that is connected on the described gas storage piece, the end of described conduit is equipped with rain glass (17), and described rain glass (17) is connected with the atmospheric pressure value that shows according to rain glass (17) and judges the PLC that whether leaks gas between needle stand and the woven hose.
6
.The needle stand of transfusion device according to claim 5 and the gas leak detection device between the woven hose, it is characterized in that described guide plate comprises the first guide plate (2) and the second guide plate (3) that is fixedly connected with, described the first guide plate (2) is fixed on the described cylinder mainboard (4), be shaped with spring base between described the second guide plate (3) and the first guide plate (2), the local increase of part that described gas testing head (1) is positioned at described spring base forms spring pressure ring (26), is provided with the spring (22) that thrust can be provided for described spring pressure ring (26) in the described spring base.
7
.The needle stand of transfusion device according to claim 6 and the gas leak detection device between the woven hose, it is characterized in that described gas storage piece comprises from extraneous source of the gas obtains compressed-air actuated the first gas storage piece (12), and simultaneously for described gas testing head (1) and described rain glass (17) provide compressed-air actuated the second gas storage piece (14), be provided with compressed air delivery after the pressurized air of described the first gas storage piece (12) regulated and will regulate between described the first gas storage piece (12) and described the second gas storage piece (14) to the pressure regulator valve (9) of described the second gas storage piece (14).
8
.The needle stand of transfusion device according to claim 7 and the gas leak detection device between the woven hose is characterized in that the gas outlet of described pressure regulator valve (9) is provided with for the retaining valve that stops pressurized air to reflux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396056 CN202853865U (en) | 2012-08-12 | 2012-08-12 | Leakage detection device between needle stand and infusion tube of transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396056 CN202853865U (en) | 2012-08-12 | 2012-08-12 | Leakage detection device between needle stand and infusion tube of transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853865U true CN202853865U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220396056 Expired - Lifetime CN202853865U (en) | 2012-08-12 | 2012-08-12 | Leakage detection device between needle stand and infusion tube of transfusion device |
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| Country | Link |
|---|---|
| CN (1) | CN202853865U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829929A (en) * | 2012-08-12 | 2012-12-19 | 梁启明 | Device for detecting air leakage between needle seat and infusion tube of infusion set |
| CN106644293A (en) * | 2017-01-07 | 2017-05-10 | 石家庄四药有限公司 | Sealing quality inspection device and inspection method for non-PVC soft bag transfusion |
| CN113418665A (en) * | 2021-08-24 | 2021-09-21 | 沈阳新智源医疗用品有限公司 | Air tightness detection equipment for connecting pipe |
-
2012
- 2012-08-12 CN CN 201220396056 patent/CN202853865U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829929A (en) * | 2012-08-12 | 2012-12-19 | 梁启明 | Device for detecting air leakage between needle seat and infusion tube of infusion set |
| CN102829929B (en) * | 2012-08-12 | 2015-12-23 | 梁启明 | Gas leak detection device between the needle stand of transfusion device and woven hose |
| CN106644293A (en) * | 2017-01-07 | 2017-05-10 | 石家庄四药有限公司 | Sealing quality inspection device and inspection method for non-PVC soft bag transfusion |
| CN113418665A (en) * | 2021-08-24 | 2021-09-21 | 沈阳新智源医疗用品有限公司 | Air tightness detection equipment for connecting pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |