CN217930556U - Spectrophotometer - Google Patents

Abstract

The utility model relates to a photometer field discloses a spectrophotometer, including the organism, be equipped with a holding tank on the organism, be equipped with in the holding tank and follow the sample holder of the vertical pull of organism, the notch periphery of holding tank is inserted and is equipped with round detachable closing plate, and the top of holding tank is equipped with sealed lid, sealed lid one end with the organism rotates to be connected, is equipped with the plug device that pulls out that is used for connecting sealed lid and closing plate on the other end of sealed lid, pulls out the output of plug device and passes sealed lid and insert in the closing plate, and the output of pulling out the plug device is connected with the mutual magnetism of closing plate. The utility model discloses a pull out and insert the device for can closely laminate between sealed lid and the closing plate, reduce space between the two, in avoiding the air admission organism, make the too fast ageing of part in the organism, when the experiment is measured to the photometer, can avoid during the outside air gets into the holding tank, avoid near the air velocity of light source too fast in the organism, influence measurement accuracy.

Description

Spectrophotometer

Technical Field

The utility model relates to a photometer field, in particular to spectrophotometer.

Background

Ultraviolet spectrophotometer is a spectral analysis instrument that utilizes the absorption of material to certain within range light and carries out qualitative analysis to the material, the precision of photometer receives the influence of many factors, wherein, humidity, instrument ageing and near light source air velocity are common influence factor in the experiment, because the solution in the sealed lid in to the sample frame that often needs to be opened in the experimentation changes, in order to facilitate opening sealed lid, the laminating design between current photometer sealed lid and organism is not very inseparable, often adopt the mode of pivot connection between sealed lid and the organism, this kind of connected mode has just led to sealing lid and organism to have certain space, need not to use the photometer when, moisture in the air gets into the photometer through the space very easily, lead to humidity increase in the photometer, increased the ageing speed of photometer inner part, and when doing the experiment, if external air velocity is great, also can get into the photometer along the space, make near light source air velocity grow, also can influence the precision of same.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem and provide a spectrophotometer, solve that the gas tightness is not good between the sealed lid of current photometer and organism, lead to the photometer inner part easily ageing, problem that the experiment precision is not high.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a spectrophotometer, includes the organism, be equipped with a holding tank on the organism, be equipped with in the holding tank and follow the sample frame of the vertical pull of organism, the notch periphery of holding tank is inserted and is equipped with round detachable closing plate, the top of holding tank is equipped with sealed lid, the one end of sealed lid with the organism rotates to be connected, be equipped with on the other end of sealed lid and be used for connecting sealed lid with the plugging and unplugging device of closing plate, the output of plugging and unplugging device passes sealed lid just inserts in the closing plate, just the output of plugging and unplugging device with the mutual magnetism of closing plate is connected.

Preferably, the plugging and unplugging device comprises a rotating assembly, a hollow shell and a column body, wherein the rotating assembly is movably arranged at one end of the shell, one end of the column body is inserted into the rotating assembly and is fixedly connected with the rotating assembly, and the other end of the column body is movably inserted into the shell.

Preferably, the rotating assembly comprises a rotating cover, a connecting block, a through hole and a plug pin piece, the connecting block is arranged on one side of the rotating cover, the through hole is formed in the middle of the connecting block, one end of the column is inserted into the through hole, the plug pin piece is inserted into one end of the connecting block, and the tip end of the plug pin piece is inserted into the column.

Preferably, one end of the shell is provided with a flange and a groove matched with the connecting block, the flanges are arranged on two sides of the groove, when the sealing cover is closed, the connecting block is arranged in the groove, and when the sealing cover needs to be opened, the connecting block is pulled out and rotated, so that the connecting block is abutted to the flange.

Preferably, the cylinder includes a main body and a magnetic plug, one end of the main body is inserted into the through hole and is fixedly connected with the plug pin piece, the other end of the main body is provided with the magnetic plug, and the length of the magnetic plug is consistent with the width of the sealing plate.

Preferably, the sealing plate is a quadrilateral sealing plate, four insertion holes matched with the magnetic plugs are arranged on the sealing plate, and the four insertion holes are symmetrically distributed on four side walls of the sealing plate.

Preferably, the machine body further comprises a pull rod, the pull rod is arranged on the front end face of the machine body, and one end of the pull rod is connected with the sample frame.

Preferably, the machine body further comprises an adjusting knob, and the adjusting knob is arranged at the top of the machine body and used for adjusting the required wavelength.

Preferably, the machine body further comprises a control panel, the control panel is arranged on the front end face of the machine body, and the control panel is used for recording and displaying measurement data of the photometer.

Preferably, the portable air conditioner further comprises a heat dissipation device, wherein the heat dissipation device is arranged on a rear panel of the machine body;

the heat dissipation device comprises an induced draft fan, heat dissipation windows and heat dissipation fins, wherein the induced draft fan is arranged on the rear panel of the machine body, and the heat dissipation windows and the heat dissipation fins for discharging heat in the machine body are respectively arranged on two sides of the induced draft fan.

One of the above technical solutions has the following advantages or beneficial effects: the utility model discloses a pull out and insert the device for can closely laminate between sealed lid and the closing plate, reduce space between the two, in avoiding the air admission organism, make too fast ageing of part in the organism, when the experiment is measured to the photometer, can avoid the outside air to get into the holding tank, avoid near the air flow velocity of light source too fast in the organism, influence measurement accuracy.

Drawings

FIG. 1 is a schematic view of the open sealing lid of the photometer of the present invention;

FIG. 2 is a schematic view of the sealing cover of the photometer of the present invention in a closed state and in a locked state;

fig. 3 is a schematic structural view of the plugging device of the present invention;

fig. 4 is a schematic structural view of the plugging device of the present invention in a locked state;

fig. 5 is a schematic structural diagram of the housing of the present invention;

FIG. 6 is a state diagram of the plugging device of the present invention inserted into the sealing plate;

FIG. 7 is a state diagram of the plugging device of the present invention when the sealing plate is pulled out;

fig. 8 is a schematic structural view of the heat dissipation device on the rear panel of the machine body of the present invention;

wherein: the device comprises a machine body 10, a pull rod 11, an adjusting knob 12 and a control panel 13;

a housing tank 20;

a sealing plate 30, a plug hole 31;

a sealing cover 40;

the plug-in device 50, the rotating component 51, the rotating cover 511, the connecting block 512, the through hole 513, the latch piece 514, the shell 52, the flange 521, the groove 522, the column 53, the main body 531 and the magnetic plug 532;

the heat dissipation device 60, the induced draft fan 61, the heat dissipation window 62 and the heat dissipation fins 63;

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, a spectrophotometer includes a body 10, a receiving groove 20 is provided on the body 10, a sample holder which can be longitudinally drawn and pulled along the body 10 is provided in the receiving groove 20, a detachable sealing plate 30 is inserted in the periphery of a notch of the receiving groove 20, a sealing cover 40 is provided above the receiving groove 20, one end of the sealing cover 40 is rotatably connected with the body 10, a plugging and unplugging device 50 for connecting the sealing cover 40 and the sealing plate 30 is provided at the other end of the sealing cover 40, an output end of the plugging and unplugging device 50 penetrates through the sealing cover 40 and is inserted into the sealing plate 30, and an output end of the plugging and unplugging device 50 is magnetically connected with the sealing plate 30.

The accommodating groove 20 is formed in the machine body 10, a sample holder (not shown in fig. 1) is arranged in the accommodating groove 20, a sample can be placed in the sample holder for spectral analysis, the accommodating groove is a component of a common photometer, a circle of sealing plate 30 is arranged on the periphery of the accommodating groove 20, the circle of sealing plate 30 is inserted into the machine body 10 (a corresponding insertion groove is formed in the machine body 10 for insertion), an insertion hole 31 is formed in each side edge of the sealing plate 30, the insertion hole 31 can be matched with the insertion device 50 on the sealing cover 40 for use, further, the sealing plate 30 is detachably inserted into the machine body 10, when the insertion hole 31 on one side of the sealing plate 30 matched with the insertion device is deformed or the inner diameter of the insertion hole 31 is increased, the magnetic plug 532 of the insertion device cannot be in close contact with the sealing plate 30, the sealing plate 30 cannot be in close contact with one end of the sealing cover 40, air leakage can occur, the sealing plate 30 can be pulled out, the sealing plate 30 is rotated, any insertion hole 31 in three other side walls is not matched with the insertion device 50, the sealing plate 30 can be replaced, and the whole sealing plate 30 can be used for a long time, and the use cost is saved.

A sealing cover 40 is disposed above the accommodating groove 20, one end of the sealing cover 40 is rotatably connected to the machine body 10 through a rotating shaft, so that one end of the sealing cover 40 can rotate around the rotating shaft, a plugging device 50 is disposed at one end of the sealing cover 40 close to a front panel of the machine body 10 (the machine body 10 is divided into a front panel and a rear panel, as seen in fig. 1, the front panel), the plugging device 50 is used for connecting the sealing cover 40 and the sealing plate 30, and the sealing cover 40 and the sealing plate 30 are in close contact with each other, so as to prevent a gap from occurring therebetween.

Specifically, the output end of the plugging device 50 is the magnetic plug 532, the magnetic plug 532 can pass through the sealing cover 40 and be inserted into the sealing plate 30 when the sealing cover 40 is closed (as shown in fig. 1, the sealing cover 40 is a concave structure, the concave structure of the sealing cover 40 is matched with the sealing plate 30, when the sealing cover 40 is closed, the inner side wall of the sealing cover 40 can contact with the outer side wall of the sealing plate 30), because the length of the magnetic plug 532 is set to be consistent with the thickness of the sealing plate 30, and a layer of iron powder is sprayed on the inner side wall of the plugging hole 31 of the sealing plate 30, the magnetic plug 532 can be well inserted into the plugging hole 31 and can attract the iron powder in the plugging hole 31, so that the sealing plate 30 and the magnetic plug 532 are tightly connected, the sealing plate 30 and one end of the sealing cover 40, on which the plugging device 50 is installed, can be tightly attached, no gap between the sealing plate 30 and the sealing plate can be ensured, the external moist air can be prevented from entering the machine body 10, the problem that the humidity in the machine body 10 is easy to age is avoided, and similarly, when a sample is measured, the accuracy of the air flow rate cannot be influenced by too much can be ensured.

The utility model discloses a pull out and insert device 50 for can closely laminate between sealed lid 40 and the closing plate 30, reduce space between the two, avoid in the air admission organism 10, make the too fast ageing of part in the organism 10, when the experiment is measured to the photometer, can avoid during the outside air gets into holding tank 20, avoid near the air flow rate of light source too fast in the organism 10, influence measurement accuracy.

As shown in fig. 4, the inserting and pulling device 50 includes a rotating assembly 51, a hollow housing 52 and a column 53, the rotating assembly 51 is movably disposed at one end of the housing 52, one end of the column 53 is inserted into the rotating assembly 51 and is fixedly connected to the rotating assembly 51, and the other end of the column 53 is movably inserted into the housing 52.

The rotating assembly 51, the hollow shell 52 and the column 53 form the plugging device 50, the shell 52 is plugged in the sealing cover 40, the rotating assembly 51 is arranged at one end (close to the user) of the shell 52, and the user can pull the rotating assembly 51 and drive the column 53 to move deeply in the hollow shell 52, so that two modes of closing and opening the sealing cover 40 are realized.

As shown in fig. 3, the rotating assembly 51 includes a rotating cover 511, a connecting block 512, a through hole 513 and a latch member 514, the connecting block 512 is disposed on one side of the rotating cover 511, the through hole 513 is disposed in the middle of the connecting block 512, one end of the cylinder 53 is inserted into the through hole 513, the latch member 514 is inserted into one end of the connecting block 512, and the tip of the latch member 514 is inserted into the cylinder 53.

The rotating cover 511 is externally leaked from the sealing cover 40, so that a user can pull and rotate the rotating cover 511, thereby realizing the locking and unlocking of the magnetic connection between the sealing cover 40 and the sealing plate 30, a connecting block 512 is arranged on one side of the rotating cover 511, the connecting block 512 is used for connecting and fixing the non-output end (namely, the main body 531) of the cylinder 53, the non-output end of the cylinder 53 is inserted into a through hole 513 in the middle of the connecting block 512, and then the bolt piece 514 is inserted from one end of the connecting block 512, so that the bolt piece 514 can be inserted into the cylinder 53, thereby connecting the cylinder 53 and the rotating assembly 51 into a whole, and when the rotating assembly 51 is pulled, the cylinder 53 is also driven to move in the shell 52.

As shown in fig. 5, one end of the housing 52 is provided with a flange 521 and a groove 522 matched with the connecting block 512, the flanges 521 are arranged on two sides of the groove 522, when the sealing cover 40 is closed, the connecting block 512 is arranged in the groove 522, and when the sealing cover 40 needs to be opened, the connecting block 512 is pulled out and rotated, so that the connecting block 512 abuts against the flanges 521.

As shown in fig. 6-7, a flange 521 and a groove 522 are provided at one end of the housing 52 and the rotating assembly 51, specifically, when the connecting block 512 in the rotating assembly 51 is placed in the groove 522, the output end of the cylinder 53 extends out of the housing 52, that is, the portion of the magnetic plug 532 extends out of the housing 52, the magnetic plug 532 can be engaged with the plug hole 31 in the sealing plate 30, so as to achieve tight engagement between the sealing cover 40 and the sealing plate 30, when the sealing cover 40 needs to be opened, the magnetic plug 532 needs to be drawn out of the plug hole 31, the plug hole 31 is drawn out by grasping the rotating cover 511, when the magnetic plug 532 is completely drawn out of the plug hole 31, the rotating cover 511 is rotated to 90 ° so that the connecting block 512 and the flange 521 are perpendicular to each other, the rotating cover 511 is released, at this time, the connecting block 512 abuts against the flange 521 (perpendicular to each other), so that the connecting block 512 cannot fall back into the groove 522, the magnetic plug 532 can keep the plug hole 31 of the cylinder 53 can be continuously withdrawn, and the plug 31 can be pushed back into the plug hole 31, and the sealing cover 40 can be rotated again, and the sealing cover 40 can be closed again, when the sealing cover 40 is required to be closed again, and the sealing cover 20 is pulled back.

As shown in fig. 3, the cylinder 53 includes a main body 531 and a magnetic plug 532, one end of the main body 531 is inserted into the through hole 513 and is fixedly connected to the latch member 514, the other end of the main body 531 is provided with the magnetic plug 532, and the length of the magnetic plug 532 is equal to the width of the sealing plate 30.

The sealing plate 30 is a quadrilateral sealing plate 30, four insertion holes 31 matched with the magnetic plugs 532 are arranged on the sealing plate 30, and the four insertion holes 31 are symmetrically distributed on four side walls of the sealing plate 30.

All set up spliced eye 31 on every lateral wall of closing plate 30, be for the convenience of follow-up change to spliced eye 31, because sealed lid 40 number of times of opening and shutting is comparatively frequent, spliced eye 31 can make the iron powder on its inside wall drop in long-time use, make its appeal to magnetic plug 532 weaken, it can not be very inseparable to lead to the connection between sealed lid 40 and the closing plate 30, through rotating closing plate 30, make all the other intact spliced eyes 31 and pull out insertion device 50 cooperation, the insecure problem of solution magnetism that can be fine connection.

As shown in fig. 1 and 2, the machine body 10 further includes a pull rod 11, the pull rod 11 is disposed on a front end surface of the machine body 10, and one end of the pull rod 11 is connected to the sample holder.

As shown in fig. 1 and 2, the body 10 further includes an adjusting knob 12, and the adjusting knob 12 is disposed at the top of the body 10 for adjusting a desired wavelength.

As shown in fig. 1 and 2, the machine body 10 further includes a control panel 13, the control panel 13 is disposed on a front end face of the machine body 10, and the control panel 13 is used for recording and displaying measurement data of the photometer.

As shown in fig. 8, the portable electronic device further includes a heat sink 60, wherein the heat sink 60 is disposed on the rear panel of the body 10;

heat abstractor 60 includes draught fan 61, radiator window 62 and radiating fin 63, draught fan 61 is located on the rear panel of organism 10, the both sides of draught fan 61 are equipped with respectively and are used for discharging heat radiator window 62 and radiating fin 63 in the organism 10.

Set up heat abstractor 60 on organism 10's rear panel, heat abstractor 60's main effect is the heat that looses in the organism 10, ensure that the photometer can work at suitable temperature range, heat abstractor 60 mainly comprises draught fan 61, heat dissipation window 62 and radiating fin 63, external cold air can be introduced to draught fan 61, replace organism 10 hot air, and discharge organism 10 with partial heat through heat dissipation window 62, radiating fin 63 has great heat dissipation specific surface area, it has great area of contact with the external air, can absorb the heat in the organism 10, and give off the heat to the external air in, thereby ensure that the temperature can not exceed standard in the organism 10, can not influence the normal use of photometer.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a spectrophotometer, includes the organism, be equipped with a holding tank on the organism, be equipped with in the holding tank and follow the sample frame of the vertical pull of organism, its characterized in that: the sealing device comprises a containing groove, wherein a circle of detachable sealing plate is inserted in the periphery of a notch of the containing groove, a sealing cover is arranged above the containing groove, one end of the sealing cover is rotatably connected with the machine body, a pulling and inserting device used for connecting the sealing cover with the sealing plate is arranged at the other end of the sealing cover, the output end of the pulling and inserting device penetrates through the sealing cover and is inserted into the sealing plate, and the output end of the pulling and inserting device is magnetically connected with the sealing plate.

2. A spectrophotometer as claimed in claim 1, wherein: the plug device comprises a rotating assembly, a hollow shell and a cylinder, wherein the rotating assembly is movably arranged at one end of the shell, one end of the cylinder is inserted into the rotating assembly and is fixedly connected with the rotating assembly, and the other end of the cylinder is movably inserted into the shell.

3. A spectrophotometer according to claim 2, wherein: the rotating assembly comprises a rotating cover, a connecting block, a through hole and a plug pin piece, the connecting block is arranged on one side of the rotating cover, the through hole is formed in the middle of the connecting block, one end of the column is inserted into the through hole, the plug pin piece is inserted into one end of the connecting block, and the tip end of the plug pin piece is inserted into the column.

4. A spectrophotometer as claimed in claim 3, wherein: one end of the shell is provided with a flange and a groove matched with the connecting block, the flange is arranged on two sides of the groove, when the sealing cover is closed, the connecting block is arranged in the groove, and when the sealing cover needs to be opened, the connecting block is pulled out and rotated, so that the connecting block is abutted to the flange.

5. A spectrophotometer as claimed in claim 3, wherein: the cylinder comprises a main body and a magnetic plug, one end of the main body is inserted into the through hole and is fixedly connected with the plug pin piece, the other end of the main body is provided with the magnetic plug, and the length of the magnetic plug is consistent with the width of the sealing plate.

6. A spectrophotometer according to claim 5, wherein: the sealing plate is a quadrilateral sealing plate, four insertion holes matched with the magnetic plugs are arranged on the sealing plate, and the four insertion holes are symmetrically distributed on four side walls of the sealing plate.

7. A spectrophotometer as claimed in claim 1, wherein: the machine body further comprises a pull rod, the pull rod is arranged on the front end face of the machine body, and one end of the pull rod is connected with the sample frame.

8. A spectrophotometer as claimed in claim 1, wherein: the machine body further comprises an adjusting knob, and the adjusting knob is arranged at the top of the machine body and used for adjusting the required wavelength.

9. A spectrophotometer as claimed in claim 1, wherein: the body still includes control panel, control panel locates on the preceding terminal surface of body, control panel is used for the record and shows the measured data of photometer.

10. A spectrophotometer as claimed in claim 1, wherein: the heat dissipation device is arranged on the rear panel of the machine body;

the heat dissipation device comprises an induced draft fan, heat dissipation windows and heat dissipation fins, wherein the induced draft fan is arranged on the rear panel of the machine body, and the heat dissipation windows and the heat dissipation fins for discharging heat in the machine body are respectively arranged on two sides of the induced draft fan.

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