CN110064260B - Handle matched with filter and having pressure relief function - Google Patents
Handle matched with filter and having pressure relief function Download PDFInfo
- Publication number
- CN110064260B CN110064260B CN201910277692.7A CN201910277692A CN110064260B CN 110064260 B CN110064260 B CN 110064260B CN 201910277692 A CN201910277692 A CN 201910277692A CN 110064260 B CN110064260 B CN 110064260B
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- Prior art keywords
- filter
- needle tube
- protruding edge
- clamped
- head
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- 239000012528 membrane Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000003814 drug Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/105—Mixing heads, i.e. compact mixing units or modules, using mixing valves for feeding and mixing at least two components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/718—Feed mechanisms characterised by the means for feeding the components to the mixer using vacuum, under pressure in a closed receptacle or circuit system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions
Abstract
The invention relates to a handle with a pressure relief function, which is matched with a filter, wherein the filter comprises a filter head, a filter cavity is formed in the inner side of the filter head, filter holes are uniformly distributed on the bottom surface of the filter cavity, a filter tail is matched and clamped in the filter cavity, a filter membrane is arranged between the filter cavity and the filter tail, a stepped bulge is connected on the outer side surface of the filter head and around the periphery of the filter hole in a circle, and the stepped bulge of the filter head is matched and clamped with the stepped inward bulge of a needle tube; the needle tube comprises a tube body and a rubber plug, one end of the tube body is connected with the needle head, the periphery of the opening at the other end is provided with a protruding edge, and the inner side of the opening at the other end is provided with a stepped inward bulge matched with the stepped bulge of the filter head; the shell comprises an upper shell and a lower shell which are connected in a clamping way, a filter clamping groove, a needle tube protruding edge horizontal clamping groove and a needle tube protruding edge vertical entering groove are reserved from bottom to top after being connected in a clamping way, a filter is clamped in the filter clamping groove, and the protruding edge of the needle tube is clamped in the needle tube protruding edge horizontal clamping groove.
Description
Technical Field
The invention belongs to the technical field of biological equipment, and particularly relates to a handle with a pressure relief function, which is matched with a filter.
Background
At present, the most common mode of clinical transfusion dispensing is manual dispensing, and nurses need to manually use a syringe to fill liquid medicine, powder and the like in a bottle and other liquid medicine into a transfusion bottle or a patient. In the process, nurses continuously operate the medicine dispensing device to suck medicine liquid, so that the labor intensity is high and the efficiency is low.
To address this problem, the prior art has developed intelligent dispensing systems such as: the application number is: 201720069258.6, grant bulletin number: CN206700982U, patent name: a disclosed dispensing system adopts an air source output device for sampling dispensing, the air source output device generally adopts an air source output pump, the air source output pump is always in a pressure supply state when dispensing, the air source output pump is easy to damage after long-time use, and the connection between the handle and a needle tube is complex when dispensing.
Disclosure of Invention
In order to solve the technical problems, the invention provides the handle with the pressure relief function, which is matched with the filter, wherein the flange of the needle tube vertically enters the needle tube flange vertical entering groove and is clamped into the needle tube flange horizontal clamping groove by rotating 90 degrees, so that the stepped bulge of the filter head is clamped with the stepped inward bulge of the needle tube, the filter tail is connected with the air source output device through the plugging air tube and the air charging tube, the connection between the filter and the needle tube is in a dense and not tight state, when the air source output device supplies air pressure to the needle tube through the filter through the plugging air tube, the filter and the needle tube are in a tightly sealed state, when the air pressure supplied by the air source output device is less than 0.3MPa, the filter and the needle tube are in a pressure relief state, and the connection and the locking structure between the filter and the needle tube can ensure that the pump can not be burnt easily during long-time work.
The invention is realized by the following technical scheme, and the first aspect of the invention provides a filter handle with a pressure relief function, which comprises a filter, a needle tube and a shell:
the filter comprises a filter head, a filter cavity is formed in the center of the inner side surface of the filter head, a plurality of filter holes are uniformly distributed on the bottom surface of the filter cavity, a filter tail is matched and clamped in the filter cavity, a filter membrane is placed between the filter cavity and the filter tail, a circular stepped bulge is integrally connected to the outer side surface of the filter head and around the periphery of the filter hole, the stepped bulge of the filter head is matched and clamped with the stepped inward bulge of the needle tube, and the filter tail is connected with an air source output device through an air inserting pipe and an air charging pipe;
the needle tube comprises a tube body and a rubber plug positioned in the tube body, one end of the tube body is connected with a needle head, the periphery of the opening at the other end is provided with a protruding edge, and the inner side of the opening at the other end is provided with a stepped inward bulge matched with the stepped bulge of the filter head;
the shell comprises an upper shell and a lower shell, wherein a control device is arranged in the upper shell, a filter clamping groove, a needle tube protruding edge horizontal clamping groove and a needle tube protruding edge vertical clamping groove are reserved from bottom to top after the upper shell is clamped with the lower shell, a filter is clamped in the filter clamping groove, the protruding edge of the needle tube vertically enters the needle tube protruding edge vertical clamping groove and rotates for 90 degrees to clamp in the needle tube protruding edge horizontal clamping groove.
The protruding edge of the needle tube vertically enters the needle tube protruding edge vertical entering groove and rotates for 90 degrees to be clamped into the needle tube protruding edge horizontal clamping groove, the stepped bulge of the filter head is matched and clamped with the stepped inward bulge of the needle tube, the filter tail is connected with the air source output device through the plugging air pipe and the air charging pipe, the connection between the filter and the needle tube is in a dense and not tight state, when the air source output device provides air pressure for the needle tube through the plugging air pipe to be continuously in a state of 0.3-1 MPa through the filter, the filter and the needle tube are in a strict sealing state, when the air pressure supplied by the air source output device is less than 0.3MPa, the filter and the needle tube are in a pressure relief state, and the connection and the locking structure between the filter and the needle tube can ensure that the pump can not be burnt easily during long-time work.
Preferably, two clamping grooves which are matched with the clamping protrusions 7 on the handle shell and are symmetrically arranged are arranged on the upper side of the filter head, and a power line placing groove for placing a control power line is arranged between the two clamping grooves.
The filter of this patent is connected through the mode of draw-in groove and the protruding joint of card with the last casing of handle to leave the power cord standing groove that prevents the power cord, the structure is more stable.
Preferably, the top of the upper shell is provided with a clamping protrusion matched with two clamping grooves on the filter head, and the filter is clamped into the filter clamping groove through the matching of the clamping grooves and the clamping protrusions.
Preferably, a power line fixing groove is formed in the top of the upper shell, and the power line fixing groove and a power line placing groove on the filter head are positioned on the same horizontal line.
This patent is provided with the power cord fixed slot, because the power cord in the handle is disordered and numerous, consequently will the power cord is bundled to be placed in the power cord fixed slot in the handle be difficult to damage.
Preferably, a filter clip extends in a direction which is directed toward the filter tail and is on the underside of the filter head.
Preferably, the rubber plug in the tube body is a solid rubber plug or a hollow rubber plug.
Preferably, the control device in the upper shell is used for controlling the air source output equipment to output and extract air to the handle, and the output and the extraction of the air are respectively controlled by the control keys on the upper shell.
Preferably, the tail parts of the upper shell and the lower shell are connected with threaded bosses, and the threaded bosses of the upper shell and the lower shell are fixed by threads through a fixed tail cap after the upper shell and the lower shell are clamped.
Preferably, the filtration membrane is a polytetrafluoroethylene filtration membrane.
A second aspect of the present invention provides a method of using a handle, comprising the steps of:
s1: after the shell and the filter are assembled into a whole, a needle tube protruding edge horizontal clamping groove and a needle tube protruding edge vertical entering groove are formed, and the protruding edge of the needle tube vertically enters the needle tube protruding edge vertical entering groove and is clamped into the needle tube protruding edge horizontal clamping groove by rotating by 90 degrees; the step-shaped bulge of the filter head is spliced with the step-shaped inward bulge of the needle tube; the filter tail is connected with the air source output equipment through an inserted air pipe and an inflation pipe;
s2: applying pressure of 0.3-1 MPa to the needle tube through an air source output device, wherein the needle tube is in a working state of sucking liquid;
s3: after a period of operation, the air source output device gives the pressure less than 0.3MPa to the needle tube, and the needle tube is in a pressure release state.
The beneficial effects of the invention are as follows:
1) The flange of the needle tube vertically enters the needle tube flange vertical entering groove and rotates 90 degrees to be clamped into the needle tube flange horizontal clamping groove, so that the stepped bulge of the filter head is matched and clamped with the stepped inward bulge of the needle tube, the filter tail is connected with the air source output device through the plugging air tube and the air charging tube, the connection between the filter and the needle tube is in a dense and not tight state, when the air source output device provides air pressure for the needle tube through the plugging air tube and continuously is in a state of 0.3-1 MPa, the filter and the needle tube are in a tightly sealed state, when the air pressure supplied by the air source output device is less than 0.3MPa, the filter and the needle tube are in a pressure relief state, and the connection and locking structure between the filter and the needle tube can ensure that the pump can not be burnt easily during long-time operation.
2) The filter of this patent is connected through the mode of draw-in groove and the protruding joint of card with the last casing of handle to leave the power cord standing groove that prevents the power cord, the structure is more stable.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded perspective view of the handle of the present invention;
FIG. 2 is an exploded view of the filter of the present invention;
FIG. 3 is a schematic view of the upper housing of the present invention;
FIG. 4 is an exploded front view of the handle of the present invention;
FIG. 5 is a front view of the handle of the present invention in combination;
FIG. 6 is a combined elevation view of the handle of the present invention;
fig. 7 is a front view of a needle cannula of the present invention.
In the figure: 1. the upper shell, 2, the thread bulge, 3, the lower shell, 4, the grafting trachea, 5, fixed tail cap, 6, power cord fixed slot, 7, the card bulge, 8, needle tubing bulge edge horizontal clamping groove, 9, the vertical entering groove of needle tubing bulge edge, 10, the filter aircraft nose, 10.1, power cord standing groove, 10.2, the clamping groove, 10.3, the echelonment bulge, 10.4, the filtration pore, 10.5, the filtration membrane, 10.6, the filter card holds in the palm, 11, the filter tail, 12, the filter card goes into the groove, 13, needle tubing body, 14, the plug, 15, the bulge edge, 16, echelonment internal bulge.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principles of the invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1-7; the embodiment discloses a filter handle with pressure release function, including filter, needle tubing and casing:
the filter comprises a filter head 10, a filter cavity is formed in the center of the inner side surface of the filter head 10, a plurality of filter holes 10.4 are uniformly distributed on the bottom surface of the filter cavity, a filter tail 11 is matched and clamped in the filter cavity, a filter membrane 10.5 is placed between the filter cavity and the filter tail 11, a circular stepped bulge 16 is integrally connected to the outer side surface of the filter head 10 and around the periphery of the filter hole 10.4, the stepped bulge 16 of the filter head 10 is matched and clamped with the stepped inner bulge of a needle tube, and the filter tail 11 is connected with an air source output device through an air inserting pipe 4 and an air charging pipe;
the needle tube comprises a tube body and a rubber plug positioned in the tube body, one end of the tube body is connected with a needle head, the periphery of the opening at the other end is provided with a protruding edge, and the inner side of the opening at the other end is provided with a stepped inward bulge matched with the stepped bulge of the filter head;
the shell comprises an upper shell 1 and a lower shell 3, wherein a control device is arranged in the upper shell 1, a filter clamping groove 12, a needle tube protruding edge horizontal clamping groove 8 and a needle tube protruding edge vertical entering groove 9 are reserved from bottom to top after the upper shell 1 is clamped with the lower shell 3, a filter is clamped in the filter clamping groove 12, a protruding edge 15 of a needle tube vertically enters the needle tube protruding edge vertical entering groove 9 and rotates for 90 degrees to be clamped in the needle tube protruding edge horizontal clamping groove 8.
The flange 15 of the needle tube vertically enters the vertical entering groove 9 of the flange of the needle tube and is rotated for 90 degrees to be clamped into the horizontal clamping groove 8 of the flange of the needle tube, so that the stepped bulge 16 of the filter head 10 is matched and clamped with the stepped inward bulge of the needle tube, the filter tail 11 is connected with the air source output device through the plugging air pipe 4 and the air charging pipe, the connection between the filter and the needle tube is in a dense and not tight state, when the air source output device provides air pressure for the needle tube through the filter through the plugging air pipe 4, the filter and the needle tube are in a tightly sealed state, when the air pressure supplied by the air source output device is less than 0.3MPa, the filter and the needle tube are in a pressure relief state, and the connection and the locking structure between the filter and the needle tube can ensure that the pump can not be burnt easily during long-time work.
In this embodiment, two clamping grooves 10.2 which are matched with the clamping protrusions 7 on the handle shell and are symmetrically arranged are arranged on the upper side of the filter head, and a power line placing groove 10.1 for placing a control power line is arranged between the two clamping grooves 10.2.
The filter of this patent is locked through the mode of draw-in groove 10.2 and the protruding 7 joint of card with the last casing of handle and is connected to leave the power cord standing groove 10.1 that prevents the power cord, the structure is more stable.
In this embodiment, a clamping protrusion 7 matched with two clamping grooves 10.2 on the filter head 10 is arranged on the top of the upper shell 1, and the filter is clamped into the filter clamping groove 12 through the matching of the clamping grooves 10.2 and the clamping protrusions 7.
In this embodiment, a power cord fixing groove 6 is provided at the top of the upper housing 1, and the power cord fixing groove 6 and the power cord placing groove 10.1 on the filter head 10 are on the same horizontal line.
This patent is provided with power cord fixed slot 6, because the power cord in the handle is chaotic and numerous, consequently will the power cord is bundled to be placed in the power cord fixed slot in the handle be difficult to damage.
In this embodiment, a filter clip 10.6 extends under the filter head 10 and in a direction toward the filter tail 11.
In this embodiment, the rubber plug in the tube body is a solid or hollow rubber plug.
In this embodiment, the control device in the upper housing 1 is used to control the air source output device to output and extract air to the handle, and the output and extract air are controlled by the control keys on the upper housing respectively.
In the embodiment, the tail parts of the upper shell and the lower shell are connected with threaded protrusions, and the threaded protrusions of the upper shell and the lower shell are fixed through the fixed tail cap after the upper shell and the lower shell are clamped.
In this embodiment, the filtering membrane is a polytetrafluoroethylene filtering membrane.
A second aspect of the present invention provides a method of using a handle, comprising the steps of:
s1: after the shell and the filter are assembled into a whole, a needle tube protruding edge horizontal clamping groove 8 and a needle tube protruding edge vertical entering groove 9 are formed, and a protruding edge 15 of the needle tube vertically enters the needle tube protruding edge vertical entering groove 9 and is clamped into the needle tube protruding edge horizontal clamping groove 8 by rotating by 90 degrees; the step-shaped bulge of the filter head is spliced with the step-shaped inward bulge of the needle tube; the filter tail is connected with the air source output equipment through an inserted air pipe and an inflation pipe;
s2: applying pressure of 0.3-1 MPa to the needle tube through an air source output device, wherein the needle tube is in a working state of sucking liquid;
s3: after a period of operation, the air source output device gives the pressure less than 0.3MPa to the needle tube, and the needle tube is in a pressure release state.
The flange 15 of the needle tube vertically enters the needle tube flange vertical entering groove 9 and rotates 90 degrees to be clamped into the needle tube flange horizontal clamping groove 8, so that the stepped bulge 16 of the filter head 10 is clamped with the stepped inward bulge of the needle tube, the filter tail 11 is connected with the air source output device through the plugging air tube 4 and the air charging tube, the connection between the filter and the needle tube is in a dense and not tight state, when the air source output device provides air pressure for the needle tube through the filter through the plugging air tube 4, the filter and the needle tube are in a tightly sealed state, when the air pressure supplied by the air source output device is less than 0.3MPa, the filter and the needle tube are in a pressure relief state, and the connection and locking structure between the filter and the needle tube can ensure that the pump is not burnt easily during long-time working.
The filter of this patent is locked through the mode of draw-in groove 10.2 and the protruding 7 joint of card with the last casing of handle and is connected to leave the power cord standing groove 10.1 that prevents the power cord, the structure is more stable.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (5)
1. The application method of the handle with the pressure relief function matched with the filter is characterized by comprising the following steps of:
the use method of the handle comprises the following steps:
s1: after the shell and the filter are assembled into a whole, a needle tube protruding edge horizontal clamping groove and a needle tube protruding edge vertical entering groove are formed, and the protruding edge of the needle tube vertically enters the needle tube protruding edge vertical entering groove and is clamped into the needle tube protruding edge horizontal clamping groove by rotating by 90 degrees; the step-shaped bulge of the filter head is spliced with the step-shaped inward bulge of the needle tube; the filter tail is connected with the air source output equipment through an inserted air pipe and an inflation pipe;
s2: applying pressure of 0.3-1 MPa to the needle tube through an air source output device, wherein the needle tube is in a working state of sucking liquid;
s3: after the air source output device works for a period of time, the air source output device applies pressure smaller than 0.3MPa to the inside of the needle tube, and the needle tube is in a pressure relief state;
the handle comprises a filter, a needle tube and a shell, wherein the filter comprises a filter head, a filter cavity is formed in the center position of the inner side surface of the filter head, a plurality of filter holes are uniformly distributed on the bottom surface of the filter cavity, a filter tail is matched and clamped in the filter cavity, a filter membrane is placed between the filter cavity and the filter tail, a circular stepped bulge is integrally connected to the outer side surface of the filter head and around the periphery of the filter hole, the stepped bulge of the filter head is matched and clamped with the stepped inner bulge of the needle tube, and the filter tail is connected with an air source output device through an inserting air tube and an air charging tube;
the needle tube comprises a tube body and a rubber plug positioned in the tube body, one end of the tube body is connected with a needle head, the periphery of the opening at the other end is provided with a protruding edge, and the inner side of the opening at the other end is provided with a stepped inward bulge matched with the stepped bulge of the filter head;
the shell comprises an upper shell and a lower shell, a control device is arranged in the upper shell, a filter clamping groove, a needle tube protruding edge horizontal clamping groove and a needle tube protruding edge vertical clamping groove are reserved from bottom to top after the upper shell is clamped with the lower shell, a filter is clamped in the filter clamping groove, the protruding edge of the needle tube vertically enters the needle tube protruding edge vertical clamping groove and rotates for 90 degrees to be clamped in the needle tube protruding edge horizontal clamping groove; two clamping grooves which are matched with the clamping protrusions on the handle shell and are arranged in a pair are formed in the upper side of the filter head, and a power line placing groove for placing a control power line is formed between the two clamping grooves; the top of the upper shell is provided with a clamping protrusion matched with two clamping grooves on the filter machine head, and the filter is clamped into the filter clamping groove through the matching of the clamping grooves and the clamping protrusions; a power line fixing groove is formed in the top of the upper shell, and the power line fixing groove and a power line placing groove on the filter head are positioned on the same horizontal line; a filter clamping support extends from the lower side of the filter head to the direction of the filter tail.
2. The method of using a handle with pressure relief function in combination with a filter according to claim 1, wherein: the rubber plug in the tube body is a solid or hollow rubber plug.
3. The method of using a handle with pressure relief function in combination with a filter according to claim 1, wherein: the control device in the upper shell is used for controlling the air source output equipment to output and extract air to the handle, and the output and the extraction of the air are respectively controlled by the control keys on the upper shell.
4. The method of using a handle with pressure relief function in combination with a filter according to claim 1, wherein: the tail parts of the upper shell and the lower shell are connected with threaded protrusions, and the threaded protrusions of the upper shell and the lower shell are fixed by the fixed tail cap after the upper shell and the lower shell are clamped.
5. The method of using a handle with pressure relief function in combination with a filter according to claim 1, wherein: the filtering membrane adopts a polytetrafluoroethylene filtering membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277692.7A CN110064260B (en) | 2019-04-08 | 2019-04-08 | Handle matched with filter and having pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277692.7A CN110064260B (en) | 2019-04-08 | 2019-04-08 | Handle matched with filter and having pressure relief function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110064260A CN110064260A (en) | 2019-07-30 |
| CN110064260B true CN110064260B (en) | 2024-03-19 |
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|---|---|---|---|
| CN201910277692.7A Active CN110064260B (en) | 2019-04-08 | 2019-04-08 | Handle matched with filter and having pressure relief function |
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| CN (1) | CN110064260B (en) |
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| CN208260554U (en) * | 2018-03-07 | 2018-12-21 | 成都杰仕德科技有限公司 | liquid medicine filter |
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| US5114572A (en) * | 1988-09-09 | 1992-05-19 | Process Scientific Innovations Limited | Filter assembly and cartridge therefor |
| DE202010000310U1 (en) * | 2010-03-05 | 2010-05-06 | Wang, Wen-Feng, Yuanli | System for increasing and converting the pressure for a pneumohydraulic vice |
| CN202252175U (en) * | 2011-09-28 | 2012-05-30 | 于邦仲 | Diaphragm type one-way ventilation control device |
| DE102012110876B3 (en) * | 2012-11-13 | 2013-10-10 | ASV Stübbe GmbH & Co. Kommanditgesellschaft | Filter housing used in riser of submersible pump, has retaining groove that is extended in circumferential direction and is brought at holding pin of housing cover for locking aperture of base portion |
| CN206700982U (en) * | 2017-01-17 | 2017-12-05 | 哈尔滨鼓润生物技术有限公司 | A kind of filter and handle and sterile dispensing system |
| CN108626451A (en) * | 2017-03-21 | 2018-10-09 | 天津安宇华泰科技发展有限公司 | A kind of sealed cabinet double-direction relief device |
| CN206694612U (en) * | 2017-04-06 | 2017-12-01 | 惠州市瑞诺科技有限公司 | A kind of airtight chamber's explosion-proof decompression device |
| CN108273173A (en) * | 2017-12-28 | 2018-07-13 | 广州德瑞康医疗器械有限公司 | A kind of disposable breathing circuit filter being conveniently replaceable |
| CN208260554U (en) * | 2018-03-07 | 2018-12-21 | 成都杰仕德科技有限公司 | liquid medicine filter |
| CN208032060U (en) * | 2018-05-16 | 2018-11-02 | 中国农业科学院北京畜牧兽医研究所 | Novel pin hair style blood filter |
| CN210356436U (en) * | 2019-04-08 | 2020-04-21 | 山东艾博康生物科技有限公司 | Handle with filter complex has pressure release function |
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| CN110064260A (en) | 2019-07-30 |
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