CN215263303U - Triple quadrupole tandem LC-MS (liquid chromatography-Mass spectrometer) for detecting nifuratel metabolite - Google Patents

Abstract

The utility model discloses a triple four-level rod tandem liquid chromatograph-mass spectrometer for detecting nifuratel metabolites, which comprises a spectrometer main body, wherein a control panel is arranged on the spectrometer main body, a power switch and a power-off recognition power supply are arranged on the control panel, a mounting groove is arranged on the control panel, the mounting groove is provided with a mounting ring and a micro motor, the micro motor is connected with a driving gear, a limit groove is arranged on a contact rod, the limit rod matched with the limit groove is connected in the regulating ring, the triple four-level rod tandem liquid chromatograph-mass spectrometer for detecting nifuratel metabolites is characterized in that a mechanism capable of limiting the power switch and a time delay mechanism are arranged in the control panel, when the power-off recognition power supply recognizes the shutdown caused by the power-off, a roll-shaped clockwork spring is rolled up through the rotation of the micro motor, and when a certain position is reached, the coiled spring releases elastic potential energy and slowly releases the potential energy through the time delay mechanism, so that the circuit board is better prevented from being damaged.

Description

Triple quadrupole tandem LC-MS (liquid chromatography-Mass spectrometer) for detecting nifuratel metabolite

Technical Field

The utility model relates to a combination appearance technical field specifically is a detect triple level four pole series connection liquid chromatograph-mass spectrometer of nifurozide metabolite.

Background

The name of the quadrupole mass spectrometer is derived from a quadrupole mass selector, in the quadrupole, four electrode rods are divided into a group in pairs, radio frequency reverse phase alternating voltage is applied to the four electrode rods respectively, ions in the potential field can reach a detector after being selected and are stabilized, or the four electrode rods enter a space for subsequent analysis, the structure and the circuit of the quadrupole mass spectrometer are simple relative to other mass spectrometers, the cost is low, the quadrupole mass spectrometer is widely applied to chromatography-mass spectrometry, and multiple mass spectrometry can be realized through the serial connection of a plurality of quadrupole rods, so that the structural information of an object to be detected is obtained.

When the triple quadrupole tandem LC-MS is powered off due to an unexpected situation in the using process, a time interval is needed to be kept for preventing a circuit board of the triple quadrupole tandem LC-MS from being burnt, but the existing triple quadrupole tandem LC-MS is mainly explained on an operation instruction without any control actually, so that a user may notice the problem in the initial stage of using the equipment, and once the power-off situation does not occur for a long time, the user is likely to forget to cause the equipment to have a damaged risk. Therefore, a triple quadrupole tandem LC-MS for detecting nifurozide metabolites is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect triple level four pole series liquid chromatograph-mass spectrometer of nifuratel metabolite to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a triple quadrupole tandem LC-MS for detecting nifurozide metabolites comprises a main body, the main body of the combination instrument is provided with a control panel, the control panel is provided with a power switch and a power-off identification power supply, the control panel is provided with an installation groove, the power switch is connected with the side wall of the installation groove in a sliding way, the bottom of the power switch is fixedly connected with a feeler lever, the side wall of the mounting groove is fixedly connected with a mounting ring, an elastic piece is connected between the mounting ring and the power switch, a micro motor is arranged at the bottom of the mounting groove, the output end of the micro motor is connected with a driving gear, an adjusting ring which is coaxial with the feeler lever is rotatably connected in the mounting ring, the feeler lever is provided with a limit groove, the adjusting ring is internally connected with a limit lever matched with the limit groove, and the bottom of the adjusting ring is connected with a transmission gear meshed with the driving gear.

Preferably, a time delay mechanism is arranged between the adjusting ring and the mounting ring, the driving gear is an incomplete circumferential gear, and the incomplete circumferential gear has a space after rotation so as to facilitate resetting of the driving gear.

Preferably, time delay mechanism includes the roll-type clockwork spring that the inner and outer end is connected with adjustable ring and collar respectively, the inside one-way transmission of adjustable ring is connected with the fixed disk, one side fixedly connected with sun gear of fixed disk, one side of fixed disk still rotates and is connected with the planet carrier, it is connected with at least three planetary gear of group to rotate on the planet carrier, be equipped with between planet carrier and the fixed disk and be fixed in the intra-annular ring gear of mount, gag lever post fixed connection is on the fixed disk, constitutes reduction gears through sun gear etc. when the roll-type clockwork spring resets, can be prolonged the action, makes its slow reset, and then is convenient for carry on spacingly to switch.

Preferably, the width of the limiting groove is larger than that of the limiting rod, so that a certain gap is formed between the limiting groove and the limiting rod, and the elasticity of the coiled spring is prevented from changing.

Preferably, the elastic part is a spring, so that the use is convenient.

Preferably, evenly inlay on the planet carrier and be equipped with a plurality of balancing weights, the balancing weight makes planet carrier slow rotation when being driven, and then prolongs its time.

Preferably, the gear ratio of the driving gear to the transmission gear is an integer, and the integral multiple facilitates adjustment and control.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the mechanism that can carry out the restriction to switch in control panel, and still be equipped with time delay mechanism, when the outage discerns the power and discerns the shutdown that causes because the outage, rotate through the micro motor and make the roll-type clockwork spring roll up, and when reaching a certain position, the roll-type clockwork spring releases elastic potential energy, carries out the slow release through time delay mechanism, makes it in the specified time, makes switch all can not press down to prevent circuit board damage better;

2. the mechanical mechanism realizes the limiting and time-delay actions, can not press the power switch within the specified time, and can effectively distinguish machine damage or time control;

3. through changing the quality of balancing weight, can effectual control to switch's control time.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a control panel;

FIG. 3 is a schematic disassembled view of the delay mechanism;

fig. 4 is an enlarged schematic view of the structure of the area a in fig. 3.

In the figure: 1-a co-usage instrument body; 2-a control panel; 3-a power switch; 4-mounting grooves; 5-a feeler lever; 6-mounting a ring; 7-an elastic member; 8-a micro motor; 9-driving gear; 10-an adjusting ring; 11-a limiting groove; 12-a limiting rod; 13-a transmission gear; 14-a time delay mechanism; 15-a coiled spring; 16-fixing the disc; 17-a sun gear; 18-a planet carrier; 19-a planetary gear; 20-gear ring.

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.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: the triple quadrupole tandem liquid chromatograph-mass spectrometer for detecting nifuratel metabolites comprises a spectrometer main body 1, wherein a control panel 2 is arranged on the spectrometer main body 1, a power switch 3 and a power-off identification power supply are arranged on the control panel 2, the power-off identification power supply comprises a single chip microcomputer, a positive voltage reference voltage source chip and a peripheral auxiliary circuit, the spectrometer is prior art, a mounting groove 4 is formed in the control panel 2, the power switch 3 is in sliding connection with the side wall of the mounting groove 4, the bottom of the power switch 3 is fixedly connected with a touch rod 5, the touch rod 5 is mainly used as a punishment part, equipment is started when the touch rod 5 is pressed down, a mounting ring 6 is fixedly connected with the side wall of the mounting groove 4, an elastic part 7 is connected between the mounting ring 6 and the power switch 3, the elastic part 7 is preferably a spring, the touch rod 5 is convenient to reset, a micro motor 8 is arranged at the bottom of the mounting groove 4, micromotor 8 and outage discernment power electric connection to in detect because unexpected outage, react, micromotor 8's output is connected with drive gear 9, 6 internal rotations of collar are connected with the adjustable ring 10 coaxial with feeler lever 5, spacing groove 11 has been seted up on the feeler lever 5, be connected with the gag lever post 12 with 11 looks adaptations of spacing groove in the adjustable ring 10, the bottom of adjustable ring 10 be connected with drive gear 9 meshed drive gear 13.

A time delay mechanism 14 is arranged between the adjusting ring 10 and the mounting ring 6, the driving gear 9 is an incomplete circumferential gear, the time delay mechanism 14 mainly controls the limiting time of the limiting rod 12 to the feeler lever 5 so as to prevent the feeler lever from being pressed down in the control time, and the driving gear 9 is an incomplete circumferential gear so as to facilitate the reset rotation of the transmission gear 13.

When the machine stops, discern by outage discernment power, if unexpected outage, then control micro motor 8 and rotate, micro motor 8 drives drive gear 9 and then makes adjustable ring 10 rotate to drive gag lever post 12 synchronous rotation, adjustable ring 10 makes gag lever post 12 slow reseing under the effect of delay mechanism 14, and then in the period that resets, switch can't be pressed, thereby effectively ensures that equipment can not be started, avoids the risk of damage.

Example two

Referring to fig. 3 to describe the second embodiment, this embodiment is a further description of the first embodiment, the delay mechanism 14 includes a coil spring 15 whose inner and outer ends are respectively connected to the adjusting ring 10 and the mounting ring 6, the inside of the adjusting ring 10 is connected to a fixed disk 16 in a one-way transmission, i.e. the one-way transmission is connected by a ratchet mechanism, similarly to the driving connection manner of the rear wheel of the bicycle, one side of the fixed disk 16 is fixedly connected with a sun gear 17, one side of the fixed disk 16 is also connected to a planet carrier 18 in a rotating manner, the planet carrier 18 is connected to at least three sets of planet gears 19 in a rotating manner, a gear ring 20 fixed in the mounting ring 6 is arranged between the planet carrier 18 and the fixed disk 16, the limiting rod 12 is fixedly connected to the fixed disk 16, the sun gear 17, the fixed disk 16, the planet carrier 18, the planet gear 19 and the gear ring 20 constitute a planet gear speed reducing mechanism, when the driving gear 9 starts to drive, because the ratchet mechanism can not drive the planetary gear speed reducing mechanism, the winding spring 15 can only be compressed through the adjusting ring 10, when the driving gear 10 rotates to the region without teeth, the fixed disk 16 is driven to rotate through the ratchet mechanism under the action of the elastic potential energy of the winding spring 15, slow reset is carried out under the action of the speed reducing mechanism, and the speed reducing mechanism can be overlapped.

A plurality of balancing weights are uniformly embedded in the planet carrier 18, and the balancing weights enable the release of elastic potential energy to be slower, so that the time is prolonged.

EXAMPLE III

Referring to fig. 3 and 4, a second embodiment is described, which is further described, in which the width of the limiting groove 11 is greater than the width of the limiting rod 12, and a slight deviation may occur due to the control of the elastic potential energy and the static friction, so that the wider limiting groove 11 can better eliminate the error.

The gear ratio of the driving gear 9 and the transmission gear 13 is an integer, the integral multiple is convenient for controlling the number of rotating turns, namely the number of the rotating turns of the transmission gear 13 is the integral multiple when the micro motor 8 rotates for a plurality of turns, and the micro motor 8 preferably selects a speed reducing motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a detect triple level four pole series connection liquid chromatograph-mass spectrometer of nifurozide metabolite, includes combination appearance main part (1), be equipped with control panel (2) on combination appearance main part (1), be equipped with switch (3) and outage discernment power on control panel (2), its characterized in that: the control panel (2) is provided with an installation groove (4), the power switch (3) is connected with the side wall of the installation groove (4) in a sliding way, the bottom of the power switch (3) is fixedly connected with a feeler lever (5), the side wall of the mounting groove (4) is fixedly connected with a mounting ring (6), an elastic piece (7) is connected between the mounting ring (6) and the power switch (3), a micro motor (8) is arranged at the bottom of the mounting groove (4), the output end of the micro motor (8) is connected with a driving gear (9), an adjusting ring (10) which is coaxial with the feeler lever (5) is rotationally connected in the mounting ring (6), a limit groove (11) is arranged on the feeler lever (5), a limit lever (12) matched with the limit groove (11) is connected in the adjusting ring (10), the bottom of the adjusting ring (10) is connected with a transmission gear (13) meshed with the driving gear (9).

2. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 1, wherein: a time delay mechanism (14) is arranged between the adjusting ring (10) and the mounting ring (6), and the driving gear (9) is a non-complete circumferential gear.

3. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 2, wherein: time delay mechanism (14) include the roll-type clockwork spring (15) that interior outer end is connected with adjustable ring (10) and collar (6) respectively, the inside one-way transmission of adjustable ring (10) is connected with fixed disk (16), one side fixedly connected with sun gear (17) of fixed disk (16), one side of fixed disk (16) still rotates and is connected with planet carrier (18), it is connected with at least three sets of planetary gear (19) to rotate on planet carrier (18), be equipped with ring gear (20) that are fixed in collar (6) between planet carrier (18) and fixed disk (16), gag lever post (12) fixed connection is on fixed disk (16).

4. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 3, wherein: the width of the limiting groove (11) is larger than that of the limiting rod (12).

5. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 1, wherein: the elastic piece (7) is a spring.

6. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 3, wherein: a plurality of balancing weights are uniformly embedded on the planet carrier (18).

7. The triple quadrupole tandem LC-MS for detecting nifurozide metabolites according to claim 1, wherein: the gear ratio of the driving gear (9) to the transmission gear (13) is an integer.

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