CN217369594U - Needle inner wall cleaning system - Google Patents
Needle inner wall cleaning system Download PDFInfo
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- CN217369594U CN217369594U CN202221156951.4U CN202221156951U CN217369594U CN 217369594 U CN217369594 U CN 217369594U CN 202221156951 U CN202221156951 U CN 202221156951U CN 217369594 U CN217369594 U CN 217369594U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a needle inner wall cleaning system for wash the inner wall of probe, above-mentioned needle inner wall cleaning system includes first pump body and valve body subassembly, and the first pump body is equipped with first interface, and the valve body subassembly includes connected pressure-resistant valve and adapter, and the adapter is equipped with second interface and third interface, and second interface and third interface communicate through the pressure-resistant valve; the first connector, the second connector, the third connector, the first pressure-resistant pipe and the third connector are pressure-resistant connectors. The utility model discloses technical scheme is through the cooperation that adopts adapter and withstand voltage valve for first pump body can adopt withstand voltage to connect with withstand voltage valve, and can use withstand voltage pipeline to connect, guarantees the reliability of pipe connection among the high pressure cleaning process, thereby solves the not enough problem of needle inner wall washing flow, realizes comparatively thorough washing.
Description
Technical Field
The utility model relates to a chemical cleaning technical field, in particular to needle inner wall cleaning system.
Background
The needle inner wall cleaning system is a cleaning system commonly used by a full-automatic chemiluminescence instrument, and has the main function of flushing the inner wall of the sample adding needle by using a pump.
The existing needle inner wall cleaning system usually adopts an inner wall pump with lower output pressure, meanwhile, the pressure resistance of a connecting pipeline between the inner wall pump and an inner wall valve is relatively general, and the pressure resistance of the connecting part of the pipeline and the inner wall valve is not ideal enough, so that the needle inner wall cleaning flow is limited, and the cleaning and testing speed of an instrument is further influenced; on the other hand, in the clinical application, the sample adding needle can accidentally cause blood clots or impurities to block the needle, and at the moment, the cleaning pressure of the inner wall of the needle can be rapidly increased, so that faults such as tube explosion, water leakage and the like can easily occur if the pressure resistance of a system is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a needle inner wall cleaning system aims at solving the problem that needle inner wall washs the flow not enough.
The utility model provides a needle inner wall cleaning system for the inner wall of washing probe, needle inner wall cleaning system includes:
the pump comprises a first pump body and a second pump body, wherein the first pump body is provided with a first interface; and
the valve body assembly comprises a pressure-resistant valve and a switching seat which are connected, the switching seat is provided with a second interface and a third interface, and the second interface and the third interface are communicated through the pressure-resistant valve;
the first connector, the second connector, the third connector, a first pressure-resistant pipe and a second pressure-resistant pipe are connected between the first connector and the second connector, and the first connector, the second connector and the third connector are all pressure-resistant connectors.
In an embodiment, a flow passage is formed in the pressure-resistant valve, the flow passage is communicated with the second interface and the third interface, and the pressure-resistant valve is used for controlling the on-off of the flow passage.
In an embodiment, the valve assembly further includes a first communicating pipe and a second communicating pipe, the first communicating pipe is connected to the second joint, the second communicating pipe is connected to the third joint, and the first communicating pipe and the second communicating pipe extend into the flow channel.
In an embodiment, the needle inner wall cleaning system further includes a second pump body and a second pressure-resistant pipe, the second pump body and the third joint are connected by the second pressure-resistant pipe, and the second pump body and the probe are connected by the second pressure-resistant pipe.
In an embodiment, the needle inner wall cleaning system includes a plurality of second pump bodies, a plurality of the third joints are provided on the adapter, a plurality of the pressure-resistant valves are correspondingly connected to the adapter, one of the pressure-resistant valves is provided with one of the flow passages, and one of the third joints is connected to one of the second pump bodies.
In an embodiment, the needle inner wall cleaning system further includes a pressure sensor, the pressure sensor is disposed between the third joint and the second pump body, and the pressure sensor is connected to the second pressure-resistant pipe to detect a pressure in the second pressure-resistant pipe.
In one embodiment, the first pump body is a diaphragm pump, a plunger pump or a syringe;
and/or the second pump body is a plunger pump;
and/or the pressure-resistant valve is an electromagnetic valve;
and/or the first pressure-resistant pipe is a polyurethane pipe, and the second pressure-resistant pipe is a Teflon pipe;
and/or the third joint is 1/4-28UNF joint.
In an embodiment, the first joint and the second joint are both quick-plug type pipe hoop joints, and the third joint is a threaded hole joint.
In one embodiment, the quick connect pipe clamp fitting comprises:
the sleeve is connected with the adapter, the sleeve forms an installation cavity, the installation cavity is communicated with the flow channel, and one end of the sleeve is provided with a communication port communicated with the installation cavity so that the first pressure-resistant pipe can extend into the communication port;
the clamping head is arranged at the communication port and movably sleeved on the first pressure-resistant pipe, and is provided with a clamping part which is arranged in the mounting cavity; and
and the sealing ring is arranged in the mounting cavity and sleeved with the first pressure-resistant pipe.
In one embodiment, the threaded bore joint comprises:
the base is connected with the adapter, the base is provided with a mounting groove, and the bottom wall of the mounting groove is opened to communicate with the flow channel; and
the connector is movably sleeved on the second pressure-resistant pipe, and the side surface of the connector is in threaded fit with the side wall of the mounting groove;
one end of the second pressure-resistant pipe is provided with a limiting part, and the connector is rotated to push the limiting part, so that the limiting part is abutted to the bottom wall of the mounting groove.
The utility model discloses technical scheme is through the cooperation that adopts adapter and withstand voltage valve for first pump body can adopt withstand voltage to connect with withstand voltage valve, and can use withstand voltage pipeline to connect, guarantees the reliability of pipe connection among the high pressure cleaning process, thereby solves the not enough problem of needle inner wall washing flow, realizes comparatively thorough washing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of a needle inner wall cleaning system according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of the valve body assembly of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the valve body assembly of the present invention.
The reference numbers illustrate:
the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The existing needle inner wall cleaning system usually adopts an inner wall pump with lower output pressure, meanwhile, the pressure resistance of a connecting pipeline between the inner wall pump and an inner wall valve is usually about 0.3Mpa, but the connecting part of the pipeline and the inner wall valve is usually connected through an inverted cone type pagoda joint, the pressure resistance of the connecting mode is usually not more than 0.3Mpa, so that the cleaning flow of the needle inner wall is limited, and the cleaning and testing speed of an instrument is further influenced; on the other hand, in the clinical application, the sample adding needle can accidentally cause blood clots or impurities to block the needle, and at the moment, the cleaning pressure of the inner wall of the needle can be rapidly increased, so that faults such as tube explosion, water leakage and the like can easily occur if the pressure resistance of a system is insufficient.
In view of this, the utility model provides a needle inner wall cleaning system 100 for wash the inner wall of probe 70, needle inner wall cleaning system 100 includes first pump body 10 and valve body subassembly 30, and first pump body 10 is equipped with first interface, and valve body subassembly 30 includes withstand voltage valve 31 and adapter 33 that are connected, and adapter 33 is equipped with second interface and third interface, and second interface and third interface pass through withstand voltage valve 31 and communicate; the first interface is provided with a first joint 11, the second interface is provided with a second joint 331, the third interface is provided with a third joint 335, a first pressure-resistant pipe 40 is connected between the first joint 11 and the second joint 331, and the first joint 11, the second joint 331 and the third joint 335 are pressure-resistant joints.
In traditional cleaning system, the valve body lug connection of inner wall pump and inner wall valve also, consequently, the valve body connects and is restricted, can't realize higher withstand voltage demand to also can't use pipeline and inner wall pump more withstand voltage.
Referring to fig. 1 to 3, in an embodiment, the first pump body 10 is connected to the valve body assembly 30, specifically, the first pump body 10 is connected to the adapter 33 in the valve body assembly 30, and the first pump body 10 and the valve body assembly 30 together constitute a device for providing cleaning power and water source for the probe 70 in the needle inner wall cleaning system 100 of the present embodiment, wherein the pressure-resistant valve 31 is used for controlling the on-off of the passage therebetween. In this embodiment, the output end of the first pump body 10 is provided with a first port, and correspondingly, the input end thereof is also provided with a water inlet port, which will not be described in detail herein. The adapter 33 is provided with a second port and a third port which are communicated through the pressure-resistant valve 31, optionally, the second port and the third port are arranged on two opposite sides of the adapter 33, and the pressure-resistant valve 31 is arranged above the adapter 33. The first interface is provided with a first joint 11, the second interface is provided with a second joint 331, and the third interface is provided with a third joint 335, wherein the first joint 11 and the second joint 331 are connected through a first pressure-resistant pipe 40.
In this embodiment, a pressure resistant fitting refers to a fitting that includes, but is not limited to, a pipe clamp fitting that is at least more pressure resistant than an original fitting that includes a pagoda fitting. The first pressure-resistant pipe 40 may be a pipe body including, but not limited to, a pu (polyurethane) pipe, which is more pressure-resistant than an original pipe including at least a pvc (polyvinyl chloride) pipe and a silicone hose. The first pump body 10 will also be able to use a higher pressure pump body on the basis of a more pressure resistant tube and fitting to meet the cleaning requirements, alternatively the first pump body 10 may be a diaphragm pump, a plunger pump or a syringe. In this embodiment, the pressure in the needle inner wall cleaning system can reach up to 0.7MPa, so that the inner wall of the probe 70 can be cleaned more thoroughly.
That is to say, the utility model discloses technical scheme is through the cooperation that adopts adapter 33 and withstand voltage valve 31 for first pump body 10 can adopt withstand voltage joint with withstand voltage valve 31, and can use withstand voltage pipeline to connect, guarantees the reliability of pipe connection among the high pressure cleaning process, and then solves the not enough problem of needle inner wall washing flow, realizes comparatively thorough washing.
Referring to fig. 3, in an embodiment, a flow passage 31a is formed in the pressure-resistant valve 31, the flow passage 31a communicates with the second port and the third port, and the pressure-resistant valve 31 is used for controlling the on/off of the flow passage 31 a. Optionally, a channel for communicating the flow channel 31a with the second port and the third port may also be formed in the adapter 33, and the on-off of the flow channel 31a can be controlled by controlling the pressure-resistant valve 31, so as to control the on-off of the second port and the third port. That is, when the pressure-resistant valve 31 is open, the water pumped by the first pump body 10 flows through the second port and the third port, and then enters the probe 70 to clean the inner wall of the needle; when the pressure-resistant valve 31 is closed, the water flow no longer flows out from the third port, and the cleaning operation is no longer performed.
Further, in an embodiment, the valve body assembly 30 further includes a first connection pipe 333 and a second connection pipe 337, the first connection pipe 333 is connected to the second joint 331, the second connection pipe 337 is connected to the third joint 335, and the first connection pipe 333 and the second connection pipe 337 extend into the flow passage 31a, so that the conveying efficiency and the cleaning efficiency can be improved to a certain extent, and the processing cost can be saved.
Referring to fig. 1, in one embodiment, the needle inner wall cleaning system 100 further includes a second pump body 60, the second pump body 60 and the third joint 335 are connected by a second pressure tube 50, and the second pump body 60 and the probe 70 are connected by the second pressure tube 50. When the system executes the liquid suction and discharge flow of the probe 70, the pressure-resistant valve 31 is kept closed, and the probe 70 executes liquid suction and discharge actions under the power action of the second pump body 60; when the system performs inner wall cleaning, the pressure-resistant valve 31 is opened, then the first pump body 10 is opened, and the flow direction of water flow sequentially flows to the outside of the first pump body 10, the valve body assembly 30, the second pump body 60, the probe 70, thereby completing the cleaning operation.
Optionally, in an embodiment, the needle inner wall cleaning system 100 includes a plurality of second pump bodies 60, a plurality of third connectors 335 are disposed on the adapter 33, a plurality of pressure-resistant valves 31 are correspondingly connected to the adapter 33, a flow channel 31a is disposed in one of the pressure-resistant valves 31, and one of the third connectors 335 is connected to one of the second pump bodies 60. That is, the adapter 33 may be provided with a plurality of second ports, a second port is communicated with a third port through a pressure-resistant valve 31, and by switching the opening and closing of different valves, water flowing out of the third ports respectively enters the second pump bodies 60 and then enters the probes 70 for cleaning. It is understood that a second port may be provided, and a plurality of channels are designed inside the adapter 33, and are communicated with a plurality of third ports through the flow passages 31a in the plurality of pressure-resistant valves 31. Thus, the plurality of probes 70 can be cleaned simultaneously, and the cleaning is efficient and convenient.
Further, referring again to fig. 1, in an embodiment, the needle inner wall cleaning system 100 further includes a pressure sensor 51, the pressure sensor 51 is disposed between the third joint 335 and the second pump body 60, and the pressure sensor 51 is connected to the second pressure-resistant pipe 50 to detect the pressure in the second pressure-resistant pipe 50. The pressure sensor 51 has a function of monitoring the cleaning pressure of the inner wall of the needle, and gives an alarm when the cleaning pressure in the second pressure-resistant pipe 50 is monitored to exceed a normal value, namely the needle blockage phenomenon can exist, at the moment, the system can continuously perform inner wall cleaning twice, and monitor whether the pressure returns to a normal range, if the pressure returns to the normal range, the needle blockage fault is removed by a cup, and if the pressure does not return to the normal range, the needle blockage fault is prompted to be removed by manual intervention. By providing the pressure sensor 51, the operation of the needle inner wall cleaning system 100 can be detected easily.
Optionally, in an embodiment, the first pump body 10 is a diaphragm pump, a plunger pump or a syringe to provide sufficient cleaning power; optionally, the second pump body 60 is a plunger pump; optionally, the pressure-resistant valve 31 is an electromagnetic valve, and is simple in structure, convenient and reliable.
In an embodiment, the first joint 11 and the second joint 331 are both quick-connect pipe clamp joints, further, the first joint 11 and/or the second joint 331 may adopt a screwing type reverse taper pipe clamp joint, and the third joint 335 is a threaded hole joint, and specifically, the third joint 335 is an 1/4-28UNF joint. When the rapid disassembly and assembly are realized, the needle inner wall cleaning system 100 can adopt the first pressure-resistant pipe 40 and the second pressure-resistant pipe 50 which are more pressure-resistant, and the pressure-resistant performance of the system is improved.
In an embodiment, the first pressure-resistant pipe 40 is a polyurethane pipe, and the second pressure-resistant pipe 50 is a teflon pipe or an FEP (Fluorinated Ethylene Propylene) pipe, which provides better pressure resistance and can achieve better cleaning effect.
In one embodiment, a quick connect pipe clamp coupling comprises: the sleeve is connected with the adapter, the sleeve forms an installation cavity, the installation cavity is communicated with the flow channel 31a, and one end of the sleeve is provided with a communication port communicated with the installation cavity so that the first pressure-resistant pipe 40 can extend into the communication port; the clamping head is arranged at the communication port and movably sleeved on the first pressure-resistant pipe 40, and is provided with a clamping part which is arranged in the mounting cavity; the sealing ring is arranged in the mounting cavity and sleeved with a first pressure-resistant pipe 40.
Specifically, the clamping part is of a clamping tooth structure with a guide inclined plane, and the guide inclined plane faces the side wall of the mounting cavity, so that the clamping head can conveniently pass through the communication opening. Be equipped with spacing step in the installation cavity, the in-process that first withstand voltage pipe 40 stretched into the installation cavity, and the sealing washer is blockked by spacing step, guarantees that the sealing washer overlaps all the time and locates first withstand voltage pipe 40. The clamping portion can be made to clamp the first pressure tube 40 by stretching the collet in a direction away from the sleeve, and accordingly, the clamping portion can be loosened by pressing the collet into the installation cavity, and the first pressure tube 40 is pulled away.
In one embodiment, the threaded hole connector comprises a base and a connector, the base is connected with the adapter, the base is provided with a mounting groove, and the bottom wall of the mounting groove is opened to communicate with the flow passage 31 a; the connector is movably sleeved on the second pressure-resistant pipe 50, and the side surface of the connector is in threaded fit with the side wall of the mounting groove. Wherein, one end of the second pressure pipe 50 is provided with a limiting part, and the rotary connector pushes the limiting part so that the limiting part is abutted against the bottom wall of the mounting groove.
Optionally, the limiting part may be a flange provided at an end of the second pressure-resistant pipe 50, the second pressure-resistant pipe 50 is further sleeved with a gasket, and the rotating connector pushes the gasket to make the gasket abut against the flange and make the flange press the bottom wall of the mounting groove to ensure sealing.
Or, spacing portion can be the toper clamp of locating the 50 tip of the withstand voltage pipe of second, the tip of connector is equipped with the draw-in groove of the formula of falling the awl, and the rotary joint head so that the lateral surface of the cell wall butt clamp of draw-in groove to the bottom surface that makes the clamp compresses tightly the diapire of mounting groove, in order to guarantee to seal.
Optionally, the gasket and the clip are made of an elastic material.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A needle interior wall cleaning system for cleaning the interior wall of a probe, the needle interior wall cleaning system comprising:
the pump comprises a first pump body and a second pump body, wherein the first pump body is provided with a first interface; and
the valve body assembly comprises a pressure-resistant valve and a switching seat which are connected, the switching seat is provided with a second interface and a third interface, and the second interface and the third interface are communicated through the pressure-resistant valve;
the first connector, the second connector, the third connector, a first pressure-resistant pipe and a second pressure-resistant pipe are connected between the first connector and the second connector, and the first connector, the second connector and the third connector are all pressure-resistant connectors.
2. The needle inner wall cleaning system according to claim 1, wherein a flow passage is formed in the pressure-resistant valve, the flow passage communicates with the second port and the third port, and the pressure-resistant valve is used for controlling the on-off of the flow passage.
3. The needle inner wall cleaning system according to claim 2, wherein the valve body assembly further comprises a first communicating pipe and a second communicating pipe, the first communicating pipe is connected to the second joint, the second communicating pipe is connected to the third joint, and the first communicating pipe and the second communicating pipe extend into the flow passage.
4. The system for cleaning the inner wall of the needle according to claim 2, further comprising a second pump body and a second pressure-resistant tube, wherein the second pump body and the third joint are connected by the second pressure-resistant tube, and the second pump body and the probe are connected by the second pressure-resistant tube.
5. The needle inner wall cleaning system according to claim 4, wherein the needle inner wall cleaning system comprises a plurality of second pump bodies, a plurality of third joints are arranged on the adapter, a plurality of pressure-resistant valves are correspondingly connected to the adapter, a flow channel is arranged in one of the pressure-resistant valves, and one of the third joints is connected to one of the second pump bodies.
6. The needle interior wall cleaning system of claim 4, further comprising a pressure sensor disposed between the third fitting and the second pump body, the pressure sensor being connected to the second pressure tube to detect a pressure within the second pressure tube.
7. The needle inner wall cleaning system according to claim 4, wherein the first pump body is a diaphragm pump, a plunger pump or a syringe;
and/or the second pump body is a plunger pump;
and/or the pressure-resistant valve is an electromagnetic valve;
and/or the first pressure-resistant pipe is a polyurethane pipe, and the second pressure-resistant pipe is a Teflon pipe;
and/or the third joint is 1/4-28UNF joint.
8. The needle inner wall cleaning system of claim 7, wherein the first connector and the second connector are quick connect ferrule connectors and the third connector is a threaded bore connector.
9. The needle inner wall cleaning system of claim 8, wherein the quick-connect coupling comprises:
the sleeve is connected with the adapter, the sleeve forms an installation cavity, the installation cavity is communicated with the flow channel, and one end of the sleeve is provided with a communication port communicated with the installation cavity so that the first pressure-resistant pipe can extend into the communication port;
the clamping head is arranged at the communication port and movably sleeved on the first pressure-resistant pipe, and is provided with a clamping part which is arranged in the mounting cavity; and
and the sealing ring is arranged in the mounting cavity and sleeved with the first pressure-resistant pipe.
10. The needle inner wall cleaning system according to claim 8, wherein the threaded bore adapter comprises:
the base is connected with the adapter, the base is provided with a mounting groove, and the bottom wall of the mounting groove is opened to communicate with the flow channel; and
the connector is movably sleeved on the second pressure-resistant pipe, and the side surface of the connector is in threaded fit with the side wall of the mounting groove;
one end of the second pressure-resistant pipe is provided with a limiting part, and the connector is rotated to push the limiting part so that the limiting part is abutted to the bottom wall of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156951.4U CN217369594U (en) | 2022-05-13 | 2022-05-13 | Needle inner wall cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156951.4U CN217369594U (en) | 2022-05-13 | 2022-05-13 | Needle inner wall cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217369594U true CN217369594U (en) | 2022-09-06 |
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ID=83087190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221156951.4U Active CN217369594U (en) | 2022-05-13 | 2022-05-13 | Needle inner wall cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217369594U (en) |
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2022
- 2022-05-13 CN CN202221156951.4U patent/CN217369594U/en active Active
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