Gas chromatograph with damping mechanism

Abstract

The utility model discloses a gas chromatograph with a damping mechanism, which comprises a chromatograph body, a control panel is arranged on the chromatograph body, a protection mechanism is arranged on one side of the control panel, the damping mechanism is arranged at the bottom of the chromatograph body, the protection mechanism comprises two guide sliding rails, and the two guide sliding rails are arranged on the control panel. The two guide sliding rails are slidably connected with sliding seats, a connecting cross beam is fixedly connected between the two sliding seats, and the interior of the connecting cross beam is in threaded connection with a movable screw rod. According to the gas chromatograph with the damping mechanism, a protective cover is pushed to a control panel through a moving motor, when the free end of the protective cover is separated from a guide sliding rail, a reset spring pushes an extension block to rotate, the extension block rotates to drive a connecting block to rotate, and the connecting block rotates to drive the protective cover to rotate; and the protective cover can rotate by 90 degrees to cover the control panel, so that the control panel is protected, and the protection effect can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas chromatograph technical field, concretely is a gas chromatograph with damping mechanism. BACKGROUND

[0002] The gas chromatograph is the instrument that utilizes chromatographic separation technology and detection technology, carries out qualitative and quantitative analysis to the complex mixture of multicomponent, can be used to analyze the soil organic matter such as volatile organic compound, organochlorine, organophosphorus, polycyclic aromatic hydrocarbon, phthalate ester etc. that heat is stable and boiling point is not more than 500°C, in prior art, the display screen and button on the gas chromatograph are exposed, are vulnerable to damage, so that the protection effect is not ideal.

[0003] For example patent publication No. CN211627466U, specifically is a gas chromatograph with vacuum sampling mechanism, including base, the base top fixedly connected with gas chromatograph main part, the gas chromatograph main part one end is provided with the object plate, the object plate outside is installed with vacuum pump, the gas chromatograph main part other end is fixed with printer, the printer upper side is equipped with the data processing terminal that is electrically connected with gas chromatograph main part, the data processing terminal one end is electrically connected with detection amplifier, a kind of gas chromatograph with vacuum sampling mechanism of the utility model, by being provided with T type vacuum pipeline at sample inlet, the top of T type vacuum pipeline is connected sealing head, and in sealing head middle-embedded rubber block that can be contained sample injector needle passes through, can reduce the contact of sample and air, after sampling, can utilize sealing cap to seal the port of sealing head, and keep the vacuum environment inside T type vacuum pipeline by vacuum pump, control simple, detection efficiency is high, there is the display screen and button on this gas chromatograph that exist and are exposed, are vulnerable to damage, so that the protection effect is not ideal. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a gas chromatograph with damping mechanism, which solves the problem that the display screen and button on the gas chromatograph are exposed and easily damaged, and the protection effect is not ideal.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a gas chromatograph with damping mechanism, comprising a chromatograph body, a control panel is arranged on the chromatograph body, a protection mechanism is arranged on one side of the control panel, and a damping mechanism is arranged at the bottom of the chromatograph body.

[0006] The protection mechanism comprises two guide sliding rails, sliding seats slidably connected to the two guide sliding rails, a connecting cross beam fixedly connected between the two sliding seats, a moving screw internally threadedly connected to the connecting cross beam, a moving motor fixedly connected to the end of the moving screw, two connecting seats fixedly connected to the connecting cross beam, connecting shafts rotatably connected to the interiors of the two connecting seats, connecting blocks fixedly connected to the connecting shafts, extension blocks fixedly connected to one end of the connecting blocks, reset springs arranged on one side of the extension blocks, and a protection cover fixedly connected between the two connecting blocks.

[0007] Preferably, the two guide sliding rails are fixedly installed on one side of the chromatograph body, and the cross-sectional shape of the two guide sliding rails is T-shaped, so that the movement of the protection cover can be guided by the guide sliding rails.

[0008] Preferably, a supporting seat is fixedly connected to the surface of one side of the chromatograph body, and the supporting seat is rotatably connected to the moving screw, so that the moving screw can be supported and rotated.

[0009] Preferably, the output shaft of the moving motor is connected to the moving screw through a shaft coupling, and the moving motor is fixedly installed on the supporting seat, so that the moving motor can drive the moving screw to rotate.

[0010] Preferably, the protection cover is made of transparent plastic material, and the protection cover is matched with the control panel, so that the control panel can be covered by the protection cover, thereby protecting the control panel.

[0011] Preferably, one end of the reset spring is fixedly connected to the extension block, and the other end of the reset spring is fixedly connected to the connecting cross beam, so that the extension block can be moved by the reset spring.

[0012] Preferably, the damping mechanism comprises a mounting plate, a rubber pad fixedly connected to the bottom end of the mounting plate, a damper fixedly connected to the top end of the mounting plate, a damping spring mounted on the damper, and a mounting ring fixedly connected to the top end of the damper, which can achieve good damping effect.

[0013] The utility model provides a gas chromatograph with damping mechanism compares with prior art has the following beneficial effects:

[0014] 1、 the gas chromatograph with damping mechanism, pushes the protection cover to the control panel through the moving motor, when the free end of the protection cover is separated from the guide sliding rail, the reset spring drives the extension block to rotate, the extension block drives the connecting block to rotate, the connecting block drives the protection cover to rotate, makes the protection cover carry out ninety degrees's rotation cover control panel, protects control panel, can effectively improve the protection effect.

[0015] 2. The gas chromatograph with damping mechanism, is fixed on the chromatograph body through the installation ring damper, the rubber pad can play certain antiskid and damping effect, and the damper and damping spring cooperation, can play good damping effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model.

[0017] Figure 2 It is the protective mechanism structure schematic view of the utility model.

[0018] Figure 3 It is the connecting structure schematic view between the connecting block and the connecting seat of the utility model.

[0019] Figure 4 It is the damping mechanism structure schematic view of the utility model.

[0020] In the drawing: 1, chromatograph body;2, protective mechanism;201, guide slide rail;202, sliding seat;203, connecting crossbeam;204, moving screw;205, moving motor;206, connecting seat;207, connecting shaft;208, connecting block;209, extension block;210, reset spring;211, protective cover;3, control panel;4, damping mechanism;401, mounting plate;402, rubber pad;403, damper;404, damping spring;405, installation ring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-3The utility model provides a technical scheme: a gas chromatograph with damping mechanism, including chromatograph body 1, chromatograph body 1 is with gas as mobile phase (carrier gas), when sample is injected into sample injector by microinjector, is carried into packed column or capillary chromatographic column by carrier gas, because of the difference of distribution or adsorption coefficient between mobile phase (gas phase) and stationary phase (liquid phase or solid phase) of each component in chromatographic column, under the flushing of carrier gas, each component is repeatedly distributed between two phases to make each component be separated in column, then according to the physical and chemical characteristics of component, each component is detected in order with the detector connected behind the column, control panel 3 is equipped on chromatograph body 1, and there is display screen and button on control panel 3, can conveniently control chromatograph body 1, and the side of control panel 3 is equipped with protection mechanism 2, and the bottom of chromatograph body 1 is equipped with damping mechanism 4, can protect control panel 3 through protection mechanism 2, to effectively improve the protection effect.

[0023] Protection mechanism 2 includes two guide slide rails 201, two guide slide rails 201 are fixedly installed on one side of chromatograph body 1, and the cross-sectional shape of two guide slide rails 201 is T-shaped, so that the movement of protection cover 211 can be guided by guide slide rail 201, two guide slide rails 201 are slidably connected with sliding seat 202, and connecting beam 203 is fixedly connected between two sliding seats 202, moving screw 204 is screw-connected in connecting beam 203, support seat is fixedly connected on one side surface of chromatograph body 1, and support seat is rotatably connected with moving screw 204, so that moving screw 204 can be supported to rotate, moving motor 205 is fixedly connected at the end of moving screw 204, the output shaft of moving motor 205 is connected with moving screw 204 through a shaft coupling, and moving motor 205 is fixedly installed on support seat, so that moving motor 205 can drive moving screw 204 to rotate, two connecting seats 206 are fixedly connected on connecting beam 203, connecting shaft 207 is rotatably connected in two connecting seats 206, connecting block 208 is fixedly connected on connecting shaft 207, extension block 209 is fixedly connected at one end of connecting block 208, reset spring 210 is arranged on one side of extension block 209, one end of reset spring 210 is fixedly connected with extension block 209, and the other end of reset spring 210 is fixedly connected with connecting beam 203, so that extension block 209 can be moved by reset spring 210, protection cover 211 is fixedly connected between two connecting blocks 208, protection cover 211 is made of transparent plastic material, and protection cover 211 is matched with control panel 3, so that control panel 3 can be covered by protection cover 211, and control panel 3 can be protected, and the end, away from connecting block 208, of protection cover 211 is a free end, so that protection cover 211 can rotate around connecting block 208 as the center.

[0024] Please refer toFigure 1 And Figure 4 The damping mechanism 4 comprises a mounting plate 401, the bottom end of the mounting plate 401 is fixedly connected with a rubber pad 402, the top end of the mounting plate 401 is fixedly connected with a damper 403, the damper 403 is installed with a damping spring 404, the top end of the damper 403 is fixedly connected with a mounting ring 405, the damper 403 can be fixed on the chromatograph body 1 through the mounting ring 405, the rubber pad 402 can play a certain anti-skid and damping effect, and the damper 403 and the damping spring 404 cooperate to play a good damping effect.

[0025] When working, the moving motor 205 drives the moving screw 204 to rotate, the moving screw 204 drives the connecting beam 203 to move along the guide slide rail 201, the connecting beam 203 drives the protective cover 211 to move, and the protective cover 211 is pushed to the control panel 3; when the free end of the protective cover 211 is separated from the guide slide rail 201, the reset spring 210 pushes the extension block 209 to rotate, the extension block 209 drives the connecting block 208 to rotate, the connecting block 208 drives the protective cover 211 to rotate, so that the protective cover 211 rotates by ninety degrees to cover the control panel 3, and the control panel 3 is protected, so that the protection effect can be effectively improved.

[0026] When needed, the moving motor 205 is reversed to pull back the protective cover 211, the protective cover 211 is reset to rotate under the limitation of the guide slide rail 201, and the control panel 3 can be opened for use.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A gas chromatograph with a damping mechanism, comprising a chromatograph body (1), characterized in that: The chromatograph body (1) is provided with a control panel (3), one side of the control panel (3) is provided with a protection mechanism (2), and the bottom of the chromatograph body (1) is provided with a damping mechanism (4). The protection mechanism (2) comprises two guide sliding rails (201), two sliding seats (202) are slidably connected to the guide sliding rails (201), a connecting beam (203) is fixedly connected between the sliding seats (202), a moving screw (204) is screw-connected to the inside of the connecting beam (203), a moving motor (205) is fixedly connected to the end of the moving screw (204), two connecting seats (206) are fixedly connected to the connecting beam (203), connecting shafts (207) are rotatably connected to the inside of the connecting seats (206), connecting blocks (208) are fixedly connected to the connecting shafts (207), extension blocks (209) are fixedly connected to one end of the connecting blocks (208), reset springs (210) are arranged on one side of the extension blocks (209), and a protection cover (211) is fixedly connected between the connecting blocks (208).

2. A gas chromatograph with a damping mechanism according to claim 1, characterized in that: The two guide sliding rails (201) are fixedly installed on one side of the chromatograph body (1), and the cross-sectional shape of the two guide sliding rails (201) is T-shaped.

3. A gas chromatograph with a damping mechanism according to claim 1, characterized in that: A supporting seat is fixedly connected to one side surface of the chromatograph body (1), and the supporting seat is rotatably connected with the moving screw (204).

4. A gas chromatograph with a damping mechanism according to claim 3, characterized in that: The output shaft of the moving motor (205) is connected with the moving screw (204) through a shaft coupling, and the moving motor (205) is fixedly installed on the supporting seat.

5. A gas chromatograph with a damping mechanism according to claim 1, characterized in that: The protection cover (211) is made of transparent plastic material, and the protection cover (211) is matched with the control panel (3).

6. A gas chromatograph with a damping mechanism according to claim 1, characterized in that: One end of the reset spring (210) is fixedly connected with the extension block (209), and the other end of the reset spring (210) is fixedly connected with the connecting beam (203).

7. A gas chromatograph with a damping mechanism according to claim 1, characterized in that: The damping mechanism (4) comprises a mounting plate (401), and the bottom end of the mounting plate (401) is fixedly connected with a rubber pad (402).

8. A gas chromatograph with a damping mechanism according to claim 7, characterized in that: A damper (403) is fixedly connected to the top end of the mounting plate (401), a damping spring (404) is mounted on the damper (403), and a mounting ring (405) is fixedly connected to the top end of the damper (403). The damping mechanism (4) comprises a mounting plate (401), and the bottom end of the mounting plate (401) is fixedly connected with a rubber pad (402).

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