CN212275657U - Sample injector of microcoulomb measuring instrument - Google Patents

Abstract

The utility model discloses a sample injector of microcoulomb measuring instrument, which belongs to the field of sample injector, comprising a shell, wherein a sample inlet is penetrated through the upper part of one side of the shell, a sample injection rail is arranged in the shell, and one end of the two groups of sample injection rails extends to one side of the shell, when a sample boat needs to be disassembled, replaced and cleaned, a worker pulls a clamping rod to shrink a spring, so that one end of the clamping rod is separated from a clamping groove, thereby the limiting function of the clamping rod on the sample injection boat is released, so that the sample injection boat can be taken out of a bearing groove to be replaced or cleaned, when in installation, the clamping rod is pulled to shrink the spring, then the sample injection boat is discharged into the bearing groove, then the clamping rod is loosened, one end of the clamping rod is inserted into the clamping groove again to limit the sample injection boat under the spring resetting performance, the sample injection boat is more stable through the bearing groove and the limiting of the clamping rod, the sample injector is compact in structure, reasonable in design and high in stability.

Description

Sample injector of microcoulomb measuring instrument

Technical Field

The utility model relates to a sample injector technical field specifically is sample injector of microcoulomb measuring apparatu.

Background

The sample injector is an instrument, a sample to be detected can be placed into a closed container through the sample injector, and further analysis of the next step is carried out.

The existing sample injector is simple in structure and poor in stability, and simultaneously the sample injection boat needs to place samples in the sample injection boat when working, so that the sample injection boat is easily polluted and is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sample injector of microcoulomb measuring apparatu to propose simple structure, poor stability and inconvenient dismantlement abluent problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the sample injector of the microcoulomb measuring instrument comprises a shell, wherein a sample inlet penetrates through the upper part of one side of the shell, sample rails are arranged inside the shell, one ends of the two groups of sample rails extend to one side of the shell, a bearing plate is arranged on the inner sides of the two groups of sample rails, a bearing groove is formed in the top of the bearing plate, a sample boat is arranged inside the bearing groove, a clamping groove is formed in the lower part of one side of the sample boat, an installation cavity is formed in the shell, a clamping rod penetrates through one side of the bearing plate, one end of the clamping rod extends to the inside of the clamping groove, a spring is sleeved on the outer surface of the clamping rod, a servo motor is arranged below one side of the shell, a fixed cylinder is arranged below the inside of the shell, a movable port penetrates through the top of the fixed cylinder, and the output end of the servo motor is connected with a lead screw extending to the inside, the outer surface of the screw rod is sleeved with a threaded sleeve, a connecting rod is fixed to the top of the threaded sleeve, the top end of the connecting rod penetrates through the inside of the movable opening, the upper portion of one side of the connecting rod is fixed to the other side of the bearing plate, and an anti-slip pad is arranged at the bottom of the shell.

Preferably, an operation panel is installed on the other side of the housing, and the operation panel is electrically connected with the servo motor.

Preferably, the sample injection rail is provided with two groups, and the two groups of sample injection rails are arranged in parallel.

Preferably, the non-slip mat is made of rubber.

Preferably, the outer surface of the screw rod is coated with lubricating oil.

Preferably, the sampling boat and the bearing plate are detachably arranged.

Preferably, the inner wall of the sample boat is smooth.

Compared with the prior art, the beneficial effects of the utility model are that: the sample injector of the microcoulomb measuring instrument is provided with a servo motor, a screw rod, a threaded sleeve and a non-slip mat, wherein when a sample is injected, the servo motor rotates to enable the screw rod to rotate, the screw rod rotates to enable the threaded sleeve to move leftwards, the threaded sleeve moves leftwards to enable a bearing plate to move leftwards, so that a sample injection boat is pushed out of a shell, after the sample is placed, the servo motor is reversely rotated through an operation panel, so that the threaded sleeve moves rightwards, the sample injection boat is pulled out of the shell, and therefore sample injection work is completed, the non-slip mat plays a role in increasing friction during work, so that the sample injector works more stably, meanwhile, the sample injector is also provided with a bearing groove, a clamping rod, a spring and a clamping groove, when the sample injection boat needs to be disassembled, replaced and cleaned, a worker pulls the clamping rod to enable the spring to contract, one end of the clamping rod is separated from the clamping groove, with this alright take out the bearing groove with the sample boat and change or wash, when the installation, stimulate earlier the kelly and make the spring shrink, emit the sample boat again and bear the inslot, loosen the kelly after that, the kelly makes the one end of kelly insert the draw-in groove again in the draw-in groove spacing to the sample boat under spring reset performance, spacing through bearing groove and kelly, make sample boat work more stable, this sample injector compact structure, and reasonable in design, stability is high.

Drawings

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

FIG. 2 is a schematic view of the sample injection rail structure of the present invention;

FIG. 3 is a schematic sectional view of the loading plate of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the present invention a.

In the figure: 1. a housing; 2. an operation panel; 3. a fixed cylinder; 4. a servo motor; 5. a screw rod; 6. a threaded sleeve; 7. a movable opening; 8. a non-slip mat; 9. a connecting rod; 10. a sample introduction rail; 11. a carrier plate; 12. a sample boat is put in; 13. a sample inlet; 14. a card slot; 15. a spring; 16. a bearing groove; 17. a clamping rod; 18. and (7) installing a cavity.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: the sample injector of the microcoulomb measuring instrument comprises a shell 1, an operation panel 2, a fixed cylinder 3, a servo motor 4, a lead screw 5, a thread bush 6, a movable port 7, an anti-slip pad 8, a connecting rod 9, sample introduction rails 10, a bearing plate 11, sample introduction boats 12, sample introduction ports 13, clamping grooves 14, springs 15, bearing grooves 16, clamping rods 17 and a mounting cavity 18, wherein the sample introduction port 13 penetrates through the upper part of one side of the shell 1, the sample introduction rails 10 are mounted inside the shell 1, one ends of the two groups of sample introduction rails 10 extend to one side of the shell 1, the bearing plate 11 is mounted on the inner sides of the two groups of sample introduction rails 10, the bearing groove 16 is formed in the top of the bearing plate 11, the sample introduction boats 12 are arranged inside the bearing groove 16, the clamping grooves 14 are formed below one side of the sample introduction boats 12, the mounting cavity 18 is arranged inside the shell 1, the clamping rods 17 penetrate through one side of the bearing plate 11, spring 15 has been cup jointed to kelly 17's surface, servo motor 4 is installed to one side below of casing 1, solid fixed cylinder 3 is installed to casing 1's inside below, gu fixed cylinder 3's top has run through movable mouthful 7, servo motor 4's output is connected with the lead screw 5 that extends to solid fixed cylinder 3 inside, the thread bush 6 has been cup jointed to lead screw 5's surface, the top of thread bush 6 is fixed with connecting rod 9, and the top of connecting rod 9 runs through in the inside of movable mouthful 7, one side top of connecting rod 9 is fixed mutually with the opposite side of loading board 11, casing 1's bottom is provided with slipmat 8, make the device during operation more stable, difficult slip.

Referring to fig. 1-2, an operation panel 2 is installed on the other side of the housing 1, and the operation panel 2 is electrically connected to the servo motor 4, so as to control the servo motor 4 to rotate forward and backward, and two sets of sample rails 10 are provided, and the two sets of sample rails 10 are arranged in parallel, so that the sample boat can enter and exit the housing 1 more stably.

Referring to fig. 1, the non-slip mat 8 is made of rubber to increase friction, so that the sample injector works more stably, and the outer surface of the screw rod 5 is coated with lubricating oil, so that the screw rod 5 rotates more smoothly and is not easy to rust.

Referring to fig. 1-4, the sample boat 12 and the carrier plate 11 are detachably disposed, so that the sample boat 12 can be easily replaced and cleaned, and the inner wall of the sample boat 12 is smooth, thereby facilitating the cleaning.

The working principle is as follows: firstly, a worker firstly checks whether each part is intact, if the part is damaged, the part is timely replaced, then the worker switches on a power supply, when a sample is injected, the servo motor 4 rotates to enable the screw rod 5 to rotate, the screw sleeve 6 moves leftwards to enable the bearing plate 11 to move leftwards, so that the sample injection boat 12 is pushed out of the shell 1, after a sample is placed, the servo motor 4 is reversely rotated through the operation panel 2 to enable the screw sleeve 6 to move rightwards, so that the sample injection boat 12 is pulled out of the shell 1, thereby completing sample injection work, when the sample injection boat 12 needs to be disassembled, replaced and cleaned, the worker pulls the clamping rod 17 to enable the spring 15 to contract, so that one end of the clamping rod 17 is separated from the clamping groove 14, thereby releasing the limiting effect of the clamping rod 17 on the sample injection boat 12, so that can take out sample boat 12 and bear groove 16 and change or wash, when the installation, pull earlier card pole 17 and make spring 15 shrink, then emit sample boat 12 in bearing groove 16, loosen card pole 17 afterwards, the card pole makes the one end of card pole 17 insert the draw-in groove 14 again and carry out spacingly under spring 15 reset performance to sample boat 12, spacing through bearing groove 16 and card pole 17 to this installation work who accomplishes sample boat 12.

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. Sample injector of microcoulomb measuring instrument, including casing (1), its characterized in that: a sample inlet (13) is penetrated above one side of the shell (1), a sample introduction rail (10) is installed inside the shell (1), one end of the sample introduction rail (10) extends to one side of the shell (1), a bearing plate (11) is installed on the inner side of the sample introduction rail (10), a bearing groove (16) is formed in the top of the bearing plate (11), a sample inlet boat (12) is arranged inside the bearing groove (16), a clamping groove (14) is formed below one side of the sample inlet boat (12), an installation cavity (18) is formed inside the shell (1), a clamping rod (17) is penetrated through one side of the bearing plate (11), one end of the clamping rod (17) extends to the inside of the clamping groove (14), a spring (15) is sleeved on the outer surface of the clamping rod (17), a servo motor (4) is installed below one side of the shell (1), the utility model discloses a pneumatic control device, including casing (1), solid fixed cylinder (3) are installed to the inside below of casing (1), the top of solid fixed cylinder (3) is run through and is had movable mouthful (7), the output of servo motor (4) is connected with lead screw (5) that extend to solid fixed cylinder (3) inside, thread bush (6) have been cup jointed to the surface of lead screw (5), the top of thread bush (6) is fixed with connecting rod (9), just the top of connecting rod (9) is run through in the inside of movable mouthful (7), one side top and the opposite side of loading board (11) of connecting rod (9) are fixed mutually, the bottom of casing (1) is provided with slipmat (8).

2. The injector for microcoulomb meters according to claim 1, characterized in that: an operation panel (2) is installed on the other side of the shell (1), and the operation panel (2) is electrically connected with the servo motor (4).

3. The injector for microcoulomb meters according to claim 1, characterized in that: the sample injection rail (10) is provided with two groups, and the two groups of sample injection rails (10) are arranged in parallel.

4. The injector for microcoulomb meters according to claim 1, characterized in that: the non-slip mat (8) is made of rubber.

5. The injector for microcoulomb meters according to claim 1, characterized in that: and lubricating oil is coated on the outer surface of the screw rod (5).

6. The injector for microcoulomb meters according to claim 1, characterized in that: the sampling boat (12) and the bearing plate (11) are arranged in a detachable mode.

7. The injector for microcoulomb meters according to claim 1, characterized in that: the inner wall of the sample feeding boat (12) is smooth.

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