CN210751395U - Independent fixing device of extraction appearance top extraction post - Google Patents
Independent fixing device of extraction appearance top extraction post Download PDFInfo
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- CN210751395U CN210751395U CN201921550603.3U CN201921550603U CN210751395U CN 210751395 U CN210751395 U CN 210751395U CN 201921550603 U CN201921550603 U CN 201921550603U CN 210751395 U CN210751395 U CN 210751395U
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Abstract
The utility model discloses an independent fixing device of extraction appearance top extraction post, its characterized in that includes roof, fixed stay subassembly and regulation pressure loose subassembly, and fixed stay unit mount is in the regional outside of roof quadrangle, and regulation pressure loose unit mount is on the roof, fixed stay subassembly has fixed curb plate, activity curb plate and lock loose handle, it has handle dish, lead screw, fixed disk and cushion to adjust pressure loose subassembly. The utility model relates to a simply, it is convenient to adjust, can ensure extraction post and flow control valve, and the contact is stable, avoids the extraction post to incline or empty on flow control valve, influences normal extraction.
Description
Technical Field
The invention relates to the field of extraction column fixing devices, and particularly belongs to an independent fixing device for an extraction column on the top of an extraction instrument.
Background
The extraction apparatus is a commonly used sample pre-treatment device in analysis and detection such as environmental monitoring, food safety, drug analysis and the like. The traditional extraction apparatus uses vacuum negative pressure as a power source, so that liquid loaded in an extraction column enters a recovery test tube inside the extraction apparatus through the extraction column and a flow control valve. The extraction instrument is convenient to operate and wide in application range. At present the extraction appearance when the in-service use, the extraction post in the extraction appearance is directly placed, on the flow control valve at extraction appearance top, extraction post and flow control valve contact area are less, and do not have other fixing device, and the extraction post inclines easily at the extraction appearance top, can take place to empty sometimes for extraction post and flow control valve separation lead to the extraction failure. Therefore, the invention provides an independent fixing device for an extraction column on the top of an extraction instrument.
Disclosure of Invention
The invention provides an independent fixing device for an extraction column on the top of an extraction instrument, which solves the problems in the background technology through the overall research and development design of a top plate, a fixed supporting component and an adjusting and loosening component. Meanwhile, the extraction column is simple in design and convenient to adjust, can ensure that the extraction column is stably contacted with the flow control valve, and avoids the influence of the inclination or the toppling of the extraction column on the flow control valve on normal extraction.
The technical scheme adopted by the invention is as follows:
the utility model provides an independent fixing device of extraction appearance top extraction post, its characterized in that includes roof, fixed stay subassembly and regulation pressure loose subassembly, and fixed stay subassembly is installed in the regional outside of roof quadrangle, and regulation pressure loose subassembly is installed on the roof, the roof wholly becomes square, and the equidistance distributes on the roof has threaded through-hole, fixed stay subassembly has fixed curb plate, activity curb plate and locking handle loose, and fixed curb plate and activity curb plate all are L shape, have threaded through-hole on the longitudinal face body of fixed curb plate, have the bar logical groove on the longitudinal face body of activity curb plate, and fixed curb plate longitudinal face body upper portion fixed mounting is in the roof outside, and the activity curb plate is installed in the fixed curb plate outside, and the horizontal face body of activity curb plate is located under the horizontal face body of fixed curb plate, and locking handle loose one end is passed the threaded through screw dress of bar logical groove on the activity curb plate in the threaded, The screw rod, the fixed disk and the buffering cushion are arranged in the threaded through hole in the top plate in a threaded mode, the handle disk is fixedly arranged on the top end of the screw rod, the top surface of the fixed disk is provided with threaded blind holes, the threaded blind holes of the fixed disk are arranged on the outer side of the bottom end of the screw rod in a threaded mode, and the buffering cushion is fixedly arranged on the bottom surface of the fixed disk.
Preferably, the number and the spacing of the threaded through holes on the top plate are determined by the number and the spacing of the flow control valves on the extraction instrument.
Preferably, the number of the fixed supporting components is four, and the four fixed supporting components are respectively and fixedly arranged at the outer sides of the four-corner areas of the top plate.
Preferably, the fixed disc and the cushion soft pad in the adjusting and loosening assembly are both provided with communication holes, and the communication holes in the fixed disc are mutually communicated with the communication holes in the cushion soft pad.
Compared with the prior art, the invention has the following beneficial effects:
through the whole research and development design to roof, fixed supporting component and regulation pressure loose subassembly, produce the independent fixing device of extraction appearance top extraction post. Wherein, the adjusting and loosening assembly is provided with a handle disc, a screw rod, a fixed disc and a buffering cushion, the screw rod is screwed in a threaded through hole on a top plate, the handle disc is fixedly arranged at the top end of the screw rod, the top surface of the fixed disc is provided with a threaded blind hole, the threaded blind hole of the fixed disc is screwed outside the bottom end of the screw rod, the buffering cushion is fixedly arranged at the bottom surface of the fixed disc, the screw rod is driven by rotating the handle disc to move downwards along the threaded through hole on the top plate, the screw rod drives the buffering cushion of the fixed disc to move downwards, the buffering cushion is contacted with the top end of the extraction column, the extraction column is ensured to be vertically connected with the flow regulating valve by the buffering cushion, the problem that the extraction column in the extraction instrument is directly placed when the extraction instrument is actually used is solved, the contact area of the extraction column and the flow control valve on the top of the extraction, the extraction column is separated from the flow control valve, so that the problem of extraction failure is caused; meanwhile, the communicating holes on the fixed disc and the buffer cushion in the press-loosening assembly are adjusted, so that the condition that the interior of the extraction column is isolated from the exterior when the buffer cushion is contacted with the top end of the extraction column and the extraction cannot be normally carried out can be prevented; fixed supporting component has the fixed curb plate, activity curb plate and locking handle loose, fixed curb plate and activity curb plate all are L shape, there is the threaded through-hole on the vertical face body of fixed curb plate, there is the bar logical groove on the vertical face body of activity curb plate, fixed curb plate vertical face body upper portion fixed mounting is in the roof outside, the activity curb plate is installed in the fixed curb plate outside, the horizontal face body of activity curb plate is located under the horizontal face body of fixed curb plate, locking handle loose one end passes on the activity curb plate bar and goes up the logical groove spiral shell dress in fixed curb plate area threaded through-hole, place the horizontal face body of fixed curb plate at extraction appearance top upper surface, the horizontal face body of activity curb plate is located under the horizontal face body of fixed curb plate, adjust the activity curb plate, ensure under the horizontal face body of activity curb plate and the horizontal face body combined action of fixed.
The invention has simple design and convenient adjustment, can ensure the stable contact between the extraction column and the flow control valve, and avoids the influence of the inclination or the toppling of the extraction column on the flow control valve on the normal extraction.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a stationary support assembly according to the present invention;
FIG. 3 is a schematic view of an adjusting press release assembly of the present invention;
FIG. 4 is a schematic view of the installation of the adjusting and extracting apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the drawings: an independent fixing device for an extraction column at the top of an extraction apparatus is characterized by comprising a top plate (1), a fixed supporting component (2) and an adjusting and loosening component (3), wherein the fixed supporting component (2) is installed on the outer side of a four-corner area of the top plate (1), the adjusting and loosening component (3) is installed on the top plate (1), the top plate (1) is integrally rectangular, threaded through holes are equidistantly distributed in the top plate (1), the fixed supporting component (2) is provided with a fixed side plate (201), a movable side plate (202) and a locking and loosening handle (203), the fixed side plate (201) and the movable side plate (202) are both L-shaped, the longitudinal surface body of the fixed side plate (201) is provided with the threaded through holes, the longitudinal surface body of the movable side plate (202) is provided with a strip-shaped through groove (204), the upper part of the longitudinal surface body of the fixed side plate (201) is fixedly installed on the outer side of the, activity curb plate (202) horizontal face body is located under the horizontal face body of fixed curb plate (201), and the strip leads to groove (204) spiral shell dress in fixed curb plate (201) threaded through hole on lock pine handle (203) one end passes activity curb plate (202), regulation pressure pine subassembly (3) has handle dish (301), lead screw (302), fixed disk (303) and buffering cushion (304), and lead screw (302) spiral shell dress is in threaded through hole on roof (1), and handle dish (301) fixed mounting is on lead screw (302) top, and fixed disk (303) top surface has threaded blind hole, and fixed disk (303) threaded blind hole spiral shell dress is in lead screw (302) bottom outside, and buffering cushion (304) fixed mounting is in fixed disk (303) bottom surface.
Preferably, the number and the spacing of the threaded through holes on the top plate (1) are determined by the number and the spacing of the flow control valves (402) on the extraction instrument (4).
Preferably, the number of the fixed supporting components (2) is four, and the four fixed supporting components (2) are respectively and fixedly arranged at the outer sides of the four-corner areas of the top plate (1).
Preferably, communication holes (305) are formed in the fixed disc (303) and the cushion soft pad (304) of the adjusting and releasing assembly (3), and the communication holes (305) in the fixed disc (303) and the communication holes (305) in the cushion soft pad (304) are communicated with each other.
During production, the upper part of a longitudinal surface body of a fixed side plate (201) in a fixed supporting assembly (2) is fixedly arranged on the outer side of one corner region of a top plate (1), a movable side plate (202) is arranged on the outer side of the fixed side plate (201), a transverse surface body of the movable side plate (202) is ensured to be positioned right below the transverse surface body of the fixed side plate (201), one end of a locking handle (203) penetrates through a strip-shaped through groove (204) in the movable side plate (202) to be screwed in a threaded through hole in the fixed side plate (201), and four fixed supporting assemblies (2) are sequentially and fixedly arranged on the outer side of the four corner regions of the top plate; screw rod (302) spiral shell dress is in screw thread through-hole on roof (1) in adjusting pressure pine subassembly (3), handle dish (301) fixed mounting is on screw rod (302) top, fixed disk (303) threaded blind hole spiral shell dress is in screw rod (302) bottom outside, cushion pad (304) fixed mounting is in fixed disk (303) bottom surface, it feeds through each other to ensure on fixed disk (303) intercommunicating pore (305) and cushion pad (304) intercommunicating pore (305), according to the threaded through-hole quantity on roof (1), install the regulation pressure pine subassembly (3) of the same quantity in proper order on roof (1) in the threaded through-hole, the independent fixing device of extraction appearance top extraction post assembles and accomplishes.
During use, a recovery test tube (404) is placed on a test tube rack in an extraction instrument (4), a cover plate (403) covers the top of the extraction instrument (4), a flow regulating valve (402) is sequentially installed on the cover plate (403), the lower part of an extraction column (401) filled with liquid to be extracted is sequentially connected with the flow regulating valve (402) on the cover plate (403) of the extraction instrument (4), and a vacuum pump (5) is connected with the extraction instrument (4) through an air tube; the fixed side plate (201) transverse surface body in the fixed supporting assembly (2) is placed on the upper surface of a top cover plate (403) of the extraction instrument (4), the movable side plate (202) transverse surface body is positioned right below the fixed side plate (201) transverse surface body, the extraction instrument (4) top cover plate (403) is positioned below, the movable side plate (202) moves upwards along a locking bolt (203) to be in contact with the lower surface of the extraction instrument (4) top cover plate (403), the locking bolt (203) is screwed, and the fixing device is installed at the top of the extraction instrument (4) under the combined action of the movable side plate (202) transverse surface body and the fixed side plate (201) transverse surface body; through rotating the handle disc (301) in the adjusting and loosening assembly (3), the handle disc (301) drives the screw rod (302) to move downwards along the threaded through hole in the top plate (1), the screw rod (302) drives the fixed disc (303) and the buffer soft cushion (304) to move downwards, and the buffer soft cushion (304) is in contact with the top end of the extraction column (401), so that the buffer soft cushion (304) is ensured to vertically connect the extraction column (401) with the flow adjusting valve (402); starting a vacuum pump (5) connected with the extraction instrument (4), extracting gas in the extraction instrument (4) by the vacuum pump (5), forming negative pressure in the extraction instrument (4), adjusting a flow regulating valve (402), allowing liquid in an extraction column (401) to enter a recovery test tube (404) in the extraction instrument (4) through the flow regulating valve (402) under the action of the negative pressure in the extraction instrument (4), and after extraction is finished; the vacuum pump (5) is turned off, the handle disc (301) in the pressure loosening component (3) is rotationally adjusted, the handle disc (301) drives the screw rod (302) to move upwards along the threaded through hole in the top plate (1), the screw rod (302) drives the fixed disc (303) and the buffer cushion (304) to move upwards, and the buffer cushion (304) is separated from the top end of the extraction column (401); loosening the locking bolt (203), moving the movable side plate (202) downwards along the locking bolt (203), separating the transverse surface body of the movable side plate (202) from the top cover plate (403) of the extraction instrument (4), taking down the fixing device and properly placing the fixing device; the extraction column (401) after extraction is finished is sequentially taken down, after subsequent detection, the upper cover plate (403) of the extraction instrument (4) is taken down, the inside recovery test tube (404) of the extraction instrument (4) is taken out, after liquid in the recovery test tube (404) is properly treated, the cleaning recovery test tube (404) is properly placed, the top cover plate (403) of the extraction instrument (4) is covered, and the next use is prepared.
The invention solves the problem that when the existing extraction instrument (4) is in actual use, an extraction column (401) in the extraction instrument (4) is directly placed on a flow control valve (402) at the top of the extraction instrument (4), the contact area between the extraction column (401) and the flow control valve (402) is small, other fixing devices are not provided, the extraction column (401) is easy to incline at the top of the extraction instrument (4), and sometimes toppling occurs, so that the extraction column (401) is separated from the flow control valve (402), and extraction failure is caused. Wherein, the adjusting and loosening component (3) is provided with a handle disc (301), a screw rod (302), a fixed disc (303) and a buffer cushion (304), the screw rod (302) is screwed in a threaded through hole on the top plate (1), the handle disc (301) is fixedly arranged at the top end of the screw rod (302), the top surface of the fixed disc (303) is provided with a threaded blind hole, the threaded blind hole of the fixed disc (303) is screwed outside the bottom end of the screw rod (302), the buffer cushion (304) is fixedly arranged at the bottom surface of the fixed disc (303), the screw rod (302) is driven to move downwards along the threaded through hole on the top plate (1) by rotating the handle disc (301), the screw rod (302) drives the fixed disc (303) to move downwards, the buffer cushion (304) is contacted with the top end of the extraction column (401), the buffer cushion (304) is ensured to vertically connect the extraction column (401) with the flow regulating valve (402), and the problem that the extraction instrument (4, an extraction column (401) in the extraction instrument (4) is directly placed on a flow control valve (402) at the top of the extraction instrument (4), the contact area between the extraction column (401) and the flow control valve (402) is small, and other fixing devices are not arranged, so that the extraction column (401) is easy to incline at the top of the extraction instrument (4) and sometimes topples over, the extraction column (401) is separated from the flow control valve (402), and the extraction fails; meanwhile, the communicating holes (305) on the fixed disc (303) and the buffer cushion (304) in the adjusting and loosening assembly (3) can prevent the extraction column (401) from being isolated from the outside and the extraction cannot be normally carried out when the buffer cushion (304) is contacted with the top end of the extraction column (401); the fixed supporting component (2) is provided with a fixed side plate (201), a movable side plate (202) and a locking handle (203), the fixed side plate (201) and the movable side plate (202) are both L-shaped, a threaded through hole is formed in a longitudinal surface body of the fixed side plate (201), a strip-shaped through groove is formed in a longitudinal surface body of the movable side plate (202), the upper part of the longitudinal surface body of the fixed side plate (201) is fixedly arranged on the outer side of the top plate (1), the movable side plate (202) is arranged on the outer side of the fixed side plate (201), a transverse surface body of the movable side plate (202) is positioned right below a transverse surface body of the fixed side plate (201), one end of the locking handle (203) penetrates through the strip-shaped through groove (204) in the movable side plate (202) and is screwed in the threaded through hole of the fixed side plate (201), the transverse surface body of the fixed side plate (201) is placed on the upper surface of the, the movable side plate (202) is adjusted to ensure that the fixing device is arranged at the top of the extraction instrument (4) under the combined action of the transverse surface body of the movable side plate (202) and the transverse surface body of the fixed side plate (201), and the installation is convenient and firm. Meanwhile, the extraction column is simple in design and convenient to adjust, the contact stability of the extraction column (401) and the flow control valve (402) can be ensured, and the influence on normal extraction caused by the inclination or toppling of the extraction column (401) on the flow control valve (402) can be avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (4)
1. The utility model provides an independent fixing device of extraction appearance top extraction post, its characterized in that includes roof, fixed stay subassembly and regulation pressure loose subassembly, and fixed stay subassembly is installed in the regional outside of roof quadrangle, and regulation pressure loose subassembly is installed on the roof, the roof wholly becomes square, and the equidistance distributes on the roof has threaded through-hole, fixed stay subassembly has fixed curb plate, activity curb plate and locking handle loose, and fixed curb plate and activity curb plate all are L shape, have threaded through-hole on the longitudinal face body of fixed curb plate, have the bar logical groove on the longitudinal face body of activity curb plate, and fixed curb plate longitudinal face body upper portion fixed mounting is in the roof outside, and the activity curb plate is installed in the fixed curb plate outside, and the horizontal face body of activity curb plate is located under the horizontal face body of fixed curb plate, and locking handle loose one end is passed the threaded through screw dress of bar logical groove on the activity curb plate in the threaded, The screw rod, the fixed disk and the buffering cushion are arranged in the threaded through hole in the top plate in a threaded mode, the handle disk is fixedly arranged on the top end of the screw rod, the top surface of the fixed disk is provided with threaded blind holes, the threaded blind holes of the fixed disk are arranged on the outer side of the bottom end of the screw rod in a threaded mode, and the buffering cushion is fixedly arranged on the bottom surface of the fixed disk.
2. The apparatus of claim 1, wherein the number and spacing of the threaded through holes in the top plate is determined by the number and spacing of flow control valves in the extractor.
3. The independent fixing device for the top extraction column of the extraction instrument according to claim 1, wherein the number of the fixed support assemblies is four, and the four fixed support assemblies are respectively fixedly arranged outside the four-corner area of the top plate.
4. The independent fixing device of the extraction column on the top of the extraction instrument as claimed in claim 1, wherein the fixed disk and the buffer soft pad of the adjusting and loosening assembly are provided with communication holes, and the communication holes on the fixed disk are mutually communicated with the communication holes on the buffer soft pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550603.3U CN210751395U (en) | 2019-09-18 | 2019-09-18 | Independent fixing device of extraction appearance top extraction post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550603.3U CN210751395U (en) | 2019-09-18 | 2019-09-18 | Independent fixing device of extraction appearance top extraction post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210751395U true CN210751395U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921550603.3U Active CN210751395U (en) | 2019-09-18 | 2019-09-18 | Independent fixing device of extraction appearance top extraction post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210751395U (en) |
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2019
- 2019-09-18 CN CN201921550603.3U patent/CN210751395U/en active Active
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