CN213176417U - But quick detach locking structure suitable for pillar pipe - Google Patents
But quick detach locking structure suitable for pillar pipe Download PDFInfo
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- CN213176417U CN213176417U CN202022139451.7U CN202022139451U CN213176417U CN 213176417 U CN213176417 U CN 213176417U CN 202022139451 U CN202022139451 U CN 202022139451U CN 213176417 U CN213176417 U CN 213176417U
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- locking ring
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- column tube
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Abstract
The utility model discloses a but quick detach locking structure suitable for column tube, the electric iron comprises a screw rod, locking flange nut, the column tube casing, a piston, left side semicircle locking ring, the round pin axle, locking screw and right semicircle locking ring, be equipped with the mounting groove in left side semicircle locking ring and the right semicircle locking ring, two mounting inslot erection pin axles, right semicircle locking ring is equipped with the locking groove, the locking groove is perpendicular and the intercommunication with the mounting groove, the one end of screw rod is located the column tube casing, the piston setting is at the lower extreme of screw rod and is located the column tube casing, the screw rod passes through locking flange nut locking, left side semicircle locking ring and right semicircle locking ring cover are on the column tube casing. The utility model discloses easy dismounting is quick, and safe and reliable can improve the dress post efficiency of user's chromatographic column well.
Description
Technical Field
The utility model relates to a chromatographic column field, concretely relates to but quick detach locking structure suitable for column tube.
Background
The spectrum separation technology is one of the most important separation and purification technologies in the separation technology of active ingredients of medicines, has been developed from an analysis scale to a preparation and production scale, and has developed into an important method for separating and preparing active ingredients of medicines, particularly traditional Chinese medicines, on a large scale.
The chromatographic column tube designed and developed at present in China generally has the following two locking modes after the chromatographic column is assembled, one mode is to adopt flanges on two end faces to lock through bolts; and the other is locking by adopting a thread structure. The existing locking structure has the following disadvantages:
the installation is inconvenient, and a plurality of bolts are required to be screwed one by one when the flange surface is locked by the bolts and the chromatographic column is assembled and disassembled each time; through the mode of nut locking, in order to satisfy locking strength, lock nut need twist many rings.
SUMMERY OF THE UTILITY MODEL
In order to solve the inconvenient shortcoming of current chromatographic column tube locking, the utility model provides a but quick detach locking structure suitable for column tube.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a but quick detach locking structure suitable for column tube, which comprises a screw rod, the lock flange nut, the column tube casing, a piston, left semicircle locking ring, the round pin axle, locking screw and right semicircle locking ring, be equipped with the mounting groove in left semicircle locking ring and the right semicircle locking ring, two mounting inslot erection pin axles, right semicircle locking ring is equipped with the locking groove, the locking groove is perpendicular and the intercommunication with the mounting groove, the one end of screw rod is located the column tube casing, the piston setting is at the lower extreme of screw rod and is located the column tube casing, the screw rod passes through lock flange nut locking, left semicircle locking ring and right semicircle locking ring cover are on the column tube casing.
Preferably, the cylindrical surface of the pin shaft positioned in the right semicircular locking ring is provided with a chute, and the tail end of the locking screw is positioned on the chute.
Preferably, the upper end of the column tube shell is provided with a first clamping groove, and the left semicircular locking ring and the right semicircular locking ring are provided with a second clamping groove corresponding to the first clamping groove.
Preferably, the locking flange nuts are located within the left and right semi-circular locking rings.
Preferably, the pin shaft comprises a first shaft tube and a second shaft tube, the diameter of the second shaft tube is larger than that of the first shaft tube, the chute is positioned on the second shaft tube, the first shaft tube is positioned in the left semicircular locking ring, and the second shaft tube is positioned in the left semicircular locking ring and the right semicircular locking ring.
Preferably, the bottom of the vial housing is externally threaded.
Preferably, the side that left semicircle locking ring and right semicircle locking ring are connected is equipped with the recess, and locking screw is located the recess department, and locking screw connects left semicircle locking ring and right semicircle locking ring.
Preferably, the tail end of the locking screw is provided with a disc, and the curved surface of the disc is provided with an anti-skid groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the locking face circumferencial direction to mutually match and lock, after draw-in groove one and draw-in groove two matched well, radial direction adopts locking screw taut with circumferencial direction two semi-circular lock ring, guarantees the locking effect. The utility model discloses easy dismounting is quick, and safe and reliable can improve the dress post efficiency of user's chromatographic column well.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a front sectional view of the embodiment of the present invention.
Fig. 3 is a top view of fig. 2.
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 work belong to the protection scope of the present invention.
As shown in the figure, the embodiment of the utility model discloses but quick detach locking structure suitable for column tube, including screw rod 1, lock flange nut 2, column tube casing 3, piston 4, left side semicircle locking ring 5, round pin axle 6, locking screw 7 and right semicircle locking ring 8, be equipped with the mounting groove in left side semicircle locking ring 5 and the right semicircle locking ring 8, two mounting grooves are interior to install round pin axle 6, right side semicircle locking ring 8 is equipped with the locking groove, the locking groove is perpendicular and the intercommunication with the mounting groove, screw rod 1's one end is located column tube casing 3, piston 4 sets up at screw rod 1's lower extreme and is located column tube casing 3, screw rod 1 is locked through lock flange nut 2, left side semicircle locking ring 5 and right semicircle locking ring 8 cover are on column tube casing 3.
In an embodiment of the present invention, a chute is provided on the cylindrical surface of the pin shaft 6 located in the right semicircular locking ring 8, and the end of the locking screw 7 is located on the chute.
In an embodiment of the present invention, the upper end of the column casing 3 is provided with a first clamping groove 31, and the left semicircular locking ring and the right semicircular locking ring are provided with a second clamping groove 32 corresponding to the first clamping groove.
In an embodiment of the present invention, the locking flange nut 2 is located inside the left and right semicircular locking rings.
The utility model discloses an in the embodiment, round pin axle 6 includes central siphon one 61 and central siphon two 62, and the diameter of central siphon two is greater than central siphon one, and the chute is located central siphon two, and central siphon one is located left semicircle locking ring, and central siphon two is located left semicircle locking ring and right semicircle locking ring.
In an embodiment of the present invention, the bottom of the column casing 3 is provided with an external thread 33.
The utility model discloses an in the embodiment, the side that left semicircle lock ring 5 and right semicircle lock ring 8 are connected is equipped with recess 9, and locking screw 7 is located the groove, left semicircle lock ring of locking screw connection and right semicircle lock ring.
In an embodiment of the present invention, the end of the locking screw 7 is provided with a disc 71, and the curved surface of the disc is provided with an anti-slip groove 711. The anti-slip groove prevents slipping when the locking screw is operated.
Before the use begins, the pin shaft 6 is installed on the left semicircular locking ring 5 in a matched mode, and the inclined groove opening on the circumference of the pin shaft 6 faces outwards; the locking screw 7 is screwed into the right semicircular locking ring 8 through thread matching;
the specific operation process is as follows:
firstly, pressing a screw rod 1 to a process set value, and then screwing a locking flange nut 2 matched with the screw rod thread 1 to the upper end face of a column tube shell 3 to be coincided; secondly, the left semicircular locking ring 5 and the right semicircular locking ring 8 are respectively clamped on a second clamping groove 32 corresponding to the cylindrical tube shell 3, and the pin shaft 6 arranged on the left semicircular locking ring 5 is correctly matched with the hole on the right semicircular locking ring 8; and finally, the locking screw 7 is screwed, and in the process of screwing the locking screw 7, the tapered end surface of the locking screw 7 is matched with the inclined groove on the excircle of the pin shaft 6, so that the purpose of completely locking the left semicircular locking ring 5 and the right semicircular locking ring 8 is achieved.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a but quick detach locking structure suitable for pillar pipe which characterized in that: the locking device comprises a screw rod, a locking flange nut, the column casing, a piston, left semicircle locking ring, the round pin axle, locking screw and right semicircle locking ring, be equipped with the mounting groove in left semicircle locking ring and the right semicircle locking ring, the round pin axle is installed to two mounting grooves, right semicircle locking ring is equipped with the locking groove, the locking groove is perpendicular and the intercommunication with the mounting groove, the one end of screw rod is located the column casing, the piston setting is just located the column casing at the lower extreme of screw rod, the screw rod passes through locking flange nut locking, left semicircle locking ring and right semicircle locking ring cover are on the column casing.
2. The quick release locking structure for column tube of claim 1, wherein: the cylindrical surface of the pin shaft positioned in the right semicircular locking ring is provided with a chute, and the tail end of the locking screw is positioned on the chute.
3. The quick release locking structure for column tube of claim 1, wherein: the upper end of the column tube shell is provided with a first clamping groove, and the left semicircular locking ring and the right semicircular locking ring are provided with a second clamping groove corresponding to the first clamping groove.
4. The quick release locking structure for column tube of claim 1, wherein: the locking flange nuts are positioned in the left semicircular locking ring and the right semicircular locking ring.
5. The quick release locking structure for column tube of claim 2, wherein: the pin shaft comprises a first shaft tube and a second shaft tube, the diameter of the second shaft tube is larger than that of the first shaft tube, the chute is located on the second shaft tube, the first shaft tube is located in the left semicircular locking ring, and the second shaft tube is located in the left semicircular locking ring and the right semicircular locking ring.
6. The quick release locking structure for column tube of claim 2, wherein: the bottom of the column tube shell is provided with external threads.
7. The quick release locking structure for column tube of claim 1, wherein: the side that left semicircle locking ring and right semicircle locking ring are connected is equipped with the recess, and locking screw is located the recess department, and locking screw connects left semicircle locking ring and right semicircle locking ring.
8. The quick release locking structure for column tube of claim 7, wherein: the tail end of the locking screw is provided with a disc, and the curved surface of the disc is provided with an anti-skid groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139451.7U CN213176417U (en) | 2020-09-25 | 2020-09-25 | But quick detach locking structure suitable for pillar pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139451.7U CN213176417U (en) | 2020-09-25 | 2020-09-25 | But quick detach locking structure suitable for pillar pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176417U true CN213176417U (en) | 2021-05-11 |
Family
ID=75776691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022139451.7U Active CN213176417U (en) | 2020-09-25 | 2020-09-25 | But quick detach locking structure suitable for pillar pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176417U (en) |
-
2020
- 2020-09-25 CN CN202022139451.7U patent/CN213176417U/en active Active
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