CN215953168U

CN215953168U - Thermal desorption device of thermal desorption instrument

Info

Publication number: CN215953168U
Application number: CN202121969529.6U
Authority: CN
Inventors: 李国梁; 梁向辉
Original assignee: Guangzhou Osh China Safety Technology Co ltd
Current assignee: Guangzhou Osh China Safety Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-04
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a thermal desorption device of a thermal analyzer, which comprises a bottom plate, wherein a shell is arranged on the bottom plate, a turnover mechanism is arranged inside the shell, a clamping mechanism is arranged inside the shell, a plurality of heating barrels are fixedly connected to the upper surface of the bottom plate, and the plurality of heating barrels are positioned below the clamping mechanism. According to the test tube clamping device, through the arrangement of the clamping mechanism, when the test tube clamping device is used, the motor drives the bidirectional screw rod to rotate, the two ends of the clamping plate can be driven to slide in the sliding groove when the bidirectional screw rod rotates, the clamping ring can be driven to clamp different test tubes when the clamping plate moves, a certain buffering effect is achieved under the action of the buffering spring, the test tube clamping device is high in practicability and worthy of wide popularization and use, and through the arranged control buttons, good control can be conveniently carried out in the using process, so that convenience in use is improved, and time and labor are saved.

Description

Thermal desorption device of thermal desorption instrument

Technical Field

The utility model relates to the technical field of thermal desorption devices, in particular to a thermal desorption device of a thermal desorption instrument.

Background

The thermal desorption device is used for collecting an air or waste gas sample by using a sampling pipe, pollutants in the air or waste gas are adsorbed by an adsorbent in the sampling pipe, the sampling pipe is placed into a thermal analyzer, the thermal desorption device of the thermal analyzer heats a set part of the sampling pipe according to a set temperature and a set time, chemical substances to be analyzed adsorbed by the adsorbent in the sampling pipe are desorbed, the chemical substances to be analyzed are directly introduced into an analyzer for analysis, or the desorbed chemical substances to be analyzed are re-adsorbed by a cold trap of the thermal analyzer, then the cold trap is heated according to the set temperature and the set time, the chemical substances to be analyzed are desorbed again and introduced into the analyzer for analysis;

now relate to a thermal desorption device of thermal analysis appearance, among the current thermal desorption device, when the centre gripping of carrying out the test tube, only can carry out the centre gripping heating to the test tube of specific specification size, application scope is less, can't carry out certain upset simultaneously, when carrying out different gases and gathering the heating, the direction of locating is different, lead to unable quick heating of carrying out, efficiency is lower, can't satisfy in user's demand, in order to solve this difficult problem, consequently, provide a thermal desorption device of thermal analysis appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a thermal desorption device of a thermal analyzer.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a thermal desorption device of thermal analysis appearance, includes the bottom plate, be provided with the casing on the bottom plate, the inside of casing is provided with tilting mechanism, the inside of casing is provided with fixture, a plurality of cartridge heaters of fixedly connected with on the upper surface of bottom plate, it is a plurality of the cartridge heater is located fixture's below.

In order to better realize the utility model, the clamping mechanism comprises a frame, a motor is symmetrically arranged on one side of the frame, a bidirectional screw rod is fixedly connected to the output end of the motor, one end of the bidirectional screw rod is rotatably connected in the frame, a clamping plate is sleeved outside the bidirectional screw rod, sliding grooves are respectively formed in two sides inside the frame, two ends of the clamping plate are slidably connected in the sliding grooves, a plurality of connecting rods are fixedly connected to the clamping plate, a buffer spring is sleeved outside the connecting rods, one end of the buffer spring is fixedly connected with a clamping ring, for the arrangement of the clamping mechanism, when the clamping mechanism is used, the motor drives the bidirectional screw rod to rotate, when the bidirectional screw rod rotates, two ends of the clamping plate can be driven to slide in the sliding grooves, when the clamping plate moves, the clamping ring is driven to clamp different test tubes, and meanwhile, a certain buffering effect is achieved under the action of the buffer spring, the practicality is stronger, is worth extensive popularization and use.

In order to better realize the utility model, further, the turnover mechanism comprises a connecting block, a rack is arranged on the connecting block, the rack slides on the connecting block, the inner top of the shell is fixedly connected with a driving cylinder, the output end of the driving cylinder is fixedly connected with the top of the rack, the two sides of the interior of the shell are respectively provided with a rotating shaft which is rotatably connected on the inner side wall of the shell, a gear is fixedly connected to the outer part of one of the rotating shafts in a sleeved mode, the gear is meshed with the rack, for the arrangement of the turnover mechanism, when in use, the driving cylinder drives the rack to move, the rack is meshed with the gear, and then can drive the gear and rotate through the pivot, realize the effect of certain upset, when comparing the manual work and overturn, improved the efficiency of work, labour saving and time saving has certain practicality.

In order to better realize the utility model, a control panel is arranged on the outer surface of the shell, and control buttons are arranged on the control panel and are electrically connected with the driving cylinder and the motor, so that the control can be conveniently carried out, and the convenience in use is improved.

In order to better realize the utility model, the bottom of the bottom plate is symmetrically and fixedly connected with the base, so that a good supporting effect can be achieved, and a certain stabilizing effect can be improved in the using process.

In order to better realize the utility model, the clamping plate is symmetrically provided with threaded holes, the outer sleeves of the threaded holes are sleeved on the bidirectional screw rods in threaded rotating connection, so that the bidirectional screw rods can be conveniently and rotatably connected, the rotating process is stable, and the practicability is high.

In order to better realize the utility model, further, the outer surface of the shell is coated with the antirust coating, so that a certain good protection effect can be achieved, and a certain service life is prolonged.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. through fixture's setting, when using, the motor drives two-way screw rod and rotates, and two-way screw rod can drive the both ends of grip block when rotating and slide in the inside of spout, and the grip block drives the grip ring when removing and can carry out the centre gripping to different test tubes, plays certain buffering effect under the effect of buffering spring simultaneously, and the practicality is stronger.

2. Through tilting mechanism's setting, when using, drive actuating cylinder and drive the rack and remove, rack and the mutual meshing of gear, and then can drive the gear and rotate through the pivot, realize the effect of certain upset, when comparing the manual work and overturn, improved the efficiency of work, labour saving and time saving has certain practicality.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a perspective view of a thermal desorption apparatus of a thermal analyzer in accordance with the present invention;

FIG. 2 is a schematic view of the internal structure of a thermal desorption apparatus of a thermal analyzer according to the present invention;

fig. 3 is a schematic structural diagram of the clamping mechanism of the present invention.

Illustration of the drawings:

1. a control panel; 2. a base plate; 3. a control button; 4. a housing; 5. a heating cylinder; 6. a base; 7. a turnover mechanism; 701. a driving cylinder; 702. a gear; 703. connecting blocks; 704. a rack; 705. a rotating shaft; 8. a clamping mechanism; 801. a clamp ring; 802. a motor; 803. a buffer spring; 804. a frame; 805. a connecting rod; 806. a chute; 807. a threaded hole; 808. a bidirectional screw; 809. and (4) clamping the plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a thermal desorption device of a thermal analyzer comprises a bottom plate 2, a housing 4 is arranged on the bottom plate 2, a turnover mechanism 7 is arranged inside the housing 4, a clamping mechanism 8 is arranged inside the housing 4, a plurality of heating cartridges 5 are fixedly connected to the upper surface of the bottom plate 2, and the plurality of heating cartridges 5 are located below the clamping mechanism 8.

Referring to fig. 2, the turnover mechanism 7 includes a connection block 703, a rack 704 is disposed on the connection block 703, the rack 704 slides on the connection block 703, a driving cylinder 701 is fixedly connected to the inner top of the housing 4, an output end of the driving cylinder 701 is fixedly connected to the top of the rack 704, two sides of the interior of the housing 4 are both provided with a rotating shaft 705, the rotating shafts 705 are rotatably connected to the inner side wall of the housing 4, a gear 702 is fixedly connected to the exterior of one of the rotating shafts 705, and the gear 702 is engaged with the rack 704.

Bottom plate 2's bottom symmetry fixedly connected with base 6 is provided with control panel 1 on the surface of casing 4, the last control button 3 that is provided with of control panel 1, control button 3 all with drive actuating cylinder 701 and motor 802 electric connection, all scribble on the surface of casing 4 and be equipped with anti rust paint, the symmetry is provided with screw hole 807 on the grip block 809, the external cover of screw hole 807 is established and is connected on two-way screw rod 808 screw thread rotation.

Referring to fig. 3, the clamping mechanism 8 includes a frame 804, a motor 802 is symmetrically disposed on one side of the frame 804, a bidirectional screw 808 is fixedly connected to an output end of the motor 802, one end of the bidirectional screw 808 is rotatably connected in the frame 804, a clamping plate 809 is sleeved outside the bidirectional screw 808, sliding grooves 806 are formed in two sides of the inside of the frame 804, two ends of the clamping plate 809 are connected to the sliding grooves 806 in a sliding manner, a plurality of connecting rods 805 are fixedly connected to the clamping plate 809, a buffer spring 803 is sleeved outside the connecting rods 805, and a clamping ring 801 is fixedly connected to one end of the buffer spring 803.

When the novel tube clamp is used, the control button 3 on the control panel 1 is used for controlling, test tubes with different specifications can be installed in the clamping mechanism 8 for clamping, the motor 802 drives the bidirectional screw 808 to rotate, the bidirectional screw 808 can drive two ends of the clamping plate 809 to slide in the sliding groove 806 when rotating, the clamping plate 809 drives the clamping ring 801 to clamp different test tubes when moving, and simultaneously, a certain buffering effect is achieved under the action of the buffering spring 803, when different gases need to be heated, the different densities are different, the different directions need to be turned over, the driving cylinder 701 drives the rack 704 to move, the rack 704 is meshed with the gear 702, and then the gear 702 can be driven to rotate through the rotating shaft, the certain turning effect is achieved, compared with manual turning, the work efficiency is improved, the time and labor are saved 705, has certain practicability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a thermal desorption device of thermal analysis appearance, includes bottom plate (2), its characterized in that: the heating device is characterized in that a shell (4) is arranged on the bottom plate (2), a turnover mechanism (7) is arranged inside the shell (4), a clamping mechanism (8) is arranged inside the shell (4), a plurality of heating barrels (5) are fixedly connected to the upper surface of the bottom plate (2), and the heating barrels (5) are located below the clamping mechanism (8).

2. A thermal desorption apparatus for a thermal analyzer in accordance with claim 1, wherein: fixture (8) include frame (804), one side symmetry of frame (804) is provided with motor (802), the output fixedly connected with two-way screw rod (808) of motor (802), the one end of two-way screw rod (808) is at frame (804) internal rotation connection, the outside cover of two-way screw rod (808) is equipped with grip block (809), spout (806) have all been seted up to the inside both sides of frame (804), and the inside sliding connection of both ends at spout (806) of grip block (809), a plurality of connecting rods (805) of fixedly connected with on grip block (809), the outside cover of connecting rod (805) is equipped with buffering spring (803), the one end fixedly connected with grip ring (801) of buffering spring (803).

3. A thermal desorption apparatus for a thermal analyzer in accordance with claim 1, wherein: tilting mechanism (7) include connecting block (703), be provided with rack (704) on connecting block (703), and rack (704) slide on connecting block (703), the interior top fixedly connected with of casing (4) drives actuating cylinder (701), the top fixed connection who drives the output of actuating cylinder (701) and rack (704), the inside both sides of casing (4) all are provided with pivot (705), pivot (705) rotate on the inside wall of casing (4) and connect, fixedly connected with gear (702) is established to the outside cover of one of them pivot (705), gear (702) are connected with rack (704) intermeshing.

4. A thermal desorption apparatus for a thermal analyzer in accordance with claim 1, wherein: be provided with control panel (1) on the surface of casing (4), be provided with control button (3) on control panel (1), control button (3) all with drive actuating cylinder (701) and motor (802) electric connection.

5. A thermal desorption apparatus for a thermal analyzer in accordance with claim 1, wherein: the bottom of the bottom plate (2) is symmetrically and fixedly connected with a base (6).

6. A thermal desorption apparatus for a thermal analyzer in accordance with claim 2, wherein: threaded holes (807) are symmetrically formed in the clamping plate (809), and the outer portion of each threaded hole (807) is sleeved on the two-way screw (808) and is in threaded rotation connection.

7. A thermal desorption apparatus for a thermal analyzer in accordance with claim 1, wherein: and the outer surface of the shell (4) is coated with antirust paint.