CN217981398U - Concentration detection device for acetic anhydride finished product - Google Patents

Abstract

The utility model discloses a be used for off-the-shelf concentration detection device of acetic anhydride relates to concentration detection technical field. The utility model discloses an on-line measuring appearance and sample glass pipe, the upper surface of on-line measuring appearance is provided with the detection zone, and the last fixed surface of on-line measuring appearance is connected with the connecting cylinder, and the connecting cylinder be provided with sealed lid, the upper end fixedly connected with gomphosis pipe of sealed lid. The utility model discloses a connecting cylinder, sealed lid, the gomphosis pipe, the guide bar, a spring, the mounting, the semiarchway notch, sample glass pipe, the through-hole, the semicircle kicking block, the elasticity gasbag, sealing ring and rubber extrusion layer, it is carrying out the testing process to ethyl acetate to have solved current concentration detection device, the sealed effect of its testing process is relatively poor, and ethyl acetate is volatile, it is accurate to lead to concentration detection result easily, ethyl acetate is carrying out the in-process of taking a sample through the glass pipe, the relatively poor phenomenon of sealed effect exists equally, influence the problem of testing result precision.

Description

Concentration detection device for acetic anhydride finished product

Technical Field

The utility model belongs to the technical field of the concentration detection, especially, relate to a be used for off-the-shelf concentration detection device of acetic anhydride.

Background

Ethyl acetate is one of finished products prepared from acetic anhydride and ethanol, has low toxicity, sweet taste, pungent smell when the concentration is higher, is easy to volatilize, has excellent solubility and quick drying property, has wide application, and is an important organic chemical raw material and industrial solvent.

Current concentration detection device is carrying out the testing process to ethyl acetate, and its testing process is sealed the effect relatively poor, and ethyl acetate is volatile, leads to concentration detection result accurate easily, and ethyl acetate is carrying out the in-process of taking a sample through the glass pipe, has sealed the relatively poor phenomenon of effect equally, influences the testing result precision.

Therefore, the existing concentration detection device for acetic anhydride finished products cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for off-the-shelf concentration detection device of acetic anhydride, through the connecting cylinder, sealed lid, the gomphosis pipe, the guide bar, a spring, the mounting, the semi-arc notch, sample glass pipe, the through-hole, the semicircle kicking block, elastic air bag, sealing ring and rubber extrusion layer, it is carrying out the testing process to ethyl acetate to have solved current concentration detection device, the sealed effect of its testing process is relatively poor, and ethyl acetate is volatile, it is accurate to lead to the concentration detection result easily, ethyl acetate is carrying out the in-process of taking a sample through glass pipe, the relatively poor phenomenon of sealed effect exists equally, influence the problem of testing result precision.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a be used for off-the-shelf concentration detection device of acetic anhydride, including online detector and sampling glass pipe, the upper surface of online detector is provided with the detection zone, the last fixed surface of online detector is connected with the connecting cylinder, the connecting cylinder be provided with sealed lid, the upper end fixedly connected with gomphosis pipe of sealed lid, a pair of guide bar of lower extreme fixedly connected with of sealed lid, it is a pair of the equal fixedly connected with spring of inner wall of guide bar, the one end fixedly connected with mounting plate of spring, the semiarc-shaped notch has been seted up to the upper surface of mounting plate, looks gomphosis between the lower extreme of sampling glass pipe and the gomphosis pipe has solved current concentration detection device and has carried out the testing process to ethyl acetate through connecting cylinder, sealed lid, gomphosis pipe, guide bar, spring, mounting plate, semiarc-shaped notch, sampling glass pipe and semicircle kicking block, and it is relatively poor to have solved current concentration detection device, and the ethyl acetate is volatile, leads to the accurate problem of concentration detection result easily.

Further, the upper end fixedly connected with elasticity gasbag of sample glass pipe, the through-hole has been seted up to the outer periphery of sample glass pipe, the outer periphery cover of sample glass pipe is equipped with the sealing ring, the inner wall fixedly connected with rubber extrusion layer of sealing ring, the lower extreme fixedly connected with semicircle kicking block of sample glass pipe, semicircle kicking block and semiarc shape notch phase-match have solved ethyl acetate and have carried out the in-process of taking a sample through glass pipe through sample glass pipe, through-hole, elasticity gasbag sealing ring and rubber extrusion layer, have equally sealed relatively poor phenomenon of effect, influence the problem of testing result precision.

Further, the outer periphery of the elastic air bag is corrugated, the elastic air bag is longitudinally extruded, a person can clamp the sampling glass tube by using a thumb and a middle finger, and the elastic air bag is longitudinally pressed by using a forefinger, so that the elastic air bag is convenient for the person to operate and use.

Furthermore, spacing spout has been seted up to the inner wall of guide bar, the last fixed surface of mounting is connected with the slider, constitute sliding connection between slider and the spacing spout, carry on spacingly through spacing spout and slider to the removal of mounting, improve the stability of mounting at the removal in-process.

Further, be threaded connection between sealed lid and the connecting cylinder, be convenient for dismantle sealed lid, the maintenance is overhauld to each part of sealed covering to the convenience, is convenient for clean the clearance to the detection zone simultaneously.

Furthermore, the outer circumferential surface of the embedded pipe is fixedly connected with a rubber layer, the outer circumferential surface of the rubber layer is provided with anti-slip grains, a person can rotate the embedded pipe to detach the sealing cover, the rubber layer is matched with the anti-slip grains, friction between the embedded pipe and the hand of the person is improved, and the person can rotate the sealing cover conveniently.

The utility model discloses following beneficial effect has:

1. the utility model discloses a connecting cylinder, sealed lid, the gomphosis pipe, the guide bar, a spring, the mounting, the semi-arc shape notch, sample glass pipe and semicircle kicking block, it is carrying out the testing process to ethyl acetate to have solved current concentration detection device, the sealed effect of its testing process is relatively poor, and ethyl acetate is volatile, lead to the accurate problem of concentration detection result easily, inlay through the gomphosis pipe when establishing the inner chamber to the connecting cylinder when sample glass pipe, the semicircle kicking block of sample glass pipe lower extreme will with semi-arc shape notch looks gomphosis, and the kicking block mounting, thereby make the mounting separate to both sides, when instiling solution to the detection zone and taking sample glass pipe out, the spring will promote the mounting automatically, make between the mounting closed each other, thereby seal the lower extreme of gomphosis pipe, make solution be difficult for volatilizing at the in-process that detects, improve the precision of testing result.

2. The utility model discloses a sample glass pipe, the through-hole, elasticity gasbag sealing ring and rubber extrusion layer, the in-process of ethyl acetate carrying out the sample through glass pipe has been solved, the relatively poor phenomenon of sealed effect exists equally, influence the problem of testing result precision, after the sample glass pipe takes a sample to solution through the through-hole, remove the sealing ring, make rubber extrusion layer seal the through-hole, improve the inside sealed effect of sample glass pipe, further improve the precision of testing result, when sample glass pipe and gomphosis pipe looks gomphosis, the upper end of gomphosis pipe will promote the sealing ring rebound automatically, the personnel of being convenient for operate and use.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the on-line detector of the present invention;

fig. 3 is a schematic structural view of the sealing cover of the present invention;

FIG. 4 is a schematic view of the structure of the joint of the sealing sheet of the present invention;

fig. 5 is an enlarged view of a structure in fig. 4 according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

100. an online detector; 101. a detection zone; 200. a connecting cylinder; 300. a sealing cover; 301. a fitting tube; 3011. a rubber layer; 400. a guide bar; 401. a limiting chute; 500. a spring; 600. sealing a sheet; 601. a semi-arc notch; 602. a slider; 700. sampling a glass tube; 701. a through hole; 702. a semicircular top block; 800. an elastic air bag; 900. a seal ring; 901. a rubber extrusion layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-5, the utility model relates to a concentration detection device for acetic anhydride finished product, including on-line detector 100 and sampling glass tube 700, the upper surface of on-line detector 100 is provided with detection zone 101, the last fixed surface of on-line detector 100 is connected with connecting cylinder 200, connecting cylinder 200 is provided with sealed lid 300, the upper end fixedly connected with gomphosis pipe 301 of sealed lid 300, the lower extreme fixedly connected with of sealed lid 300 is a pair of guide bar 400, the equal fixedly connected with spring 500 of inner wall of a pair of guide bar 400, the one end fixedly connected with mounting 600 of spring 500, semi-arc notch 601 has been seted up to the upper surface of mounting 600, gomphosis between lower extreme and the gomphosis pipe 301 of sampling glass tube 700, when sampling glass tube 700 inlays through gomphosis pipe 301 and establishes to the inner chamber of connecting cylinder 200, semi-circle kicking block 702 of sampling glass tube 700 lower extreme will gomphosis with semi-arc notch 601 mutually, and kicking block mounting 600, thereby make mounting 600 separate to both sides, when dripping into solution to sampling glass tube 101 and taking out sampling glass tube 700, spring 500 will promote mounting 600, make mutual closure 301, thereby the lower extreme that gomphosis is difficult to detect in the detection zone volatilize process.

As shown in fig. 1, an elastic airbag 800 is fixedly connected to an upper end of a sampling glass tube 700, a through hole 701 is formed in an outer circumferential surface of the sampling glass tube 700, a sealing ring 900 is sleeved on the outer circumferential surface of the sampling glass tube 700, a rubber extrusion layer 901 is fixedly connected to an inner wall of the sealing ring 900, a semicircular top block 702 is fixedly connected to a lower end of the sampling glass tube 700, the semicircular top block 702 is matched with the semi-arc-shaped notch 601, after the sampling glass tube 700 samples a solution through the through hole 701, the sealing ring 900 is moved, the rubber extrusion layer 901 seals the through hole 701, the sealing effect inside the sampling glass tube 700 is improved, the accuracy of a detection result is further improved, when the sampling glass tube 700 is embedded into the embedded tube 301, the upper end of the embedded tube 301 automatically pushes the sealing ring 900 to move upwards, so that a person can conveniently operate and use, the outer circumferential surface of the elastic airbag 800 is corrugated, the elastic airbag 800 is longitudinally extruded, the person can clamp the sampling glass tube 700 with a thumb and a middle finger, and the elastic airbag 800 is longitudinally pressed by a forefinger, so that the person can conveniently operate and use.

As shown in fig. 5, the inner wall of the guide rod 400 is provided with a limiting sliding groove 401, the upper surface of the sealing piece 600 is fixedly connected with a sliding block 602, the sliding block 602 is in sliding connection with the limiting sliding groove 401, the movement of the sealing piece 600 is limited through the limiting sliding groove 401 and the sliding block 602, and the stability of the sealing piece 600 in the moving process is improved.

As shown in fig. 2-3, the sealing cover 300 is in threaded connection with the connecting cylinder 200, so that the sealing cover 300 can be conveniently detached, parts on the sealing cover 300 can be conveniently overhauled and maintained, the detection area 101 can be conveniently cleaned, the rubber layer 3011 is fixedly connected to the outer circumferential surface of the embedded pipe 301, anti-slip lines are arranged on the outer circumferential surface of the rubber layer 3011, a person can rotate the embedded pipe 301 to detach the sealing cover 300, the rubber layer 3011 is matched with the anti-slip lines, friction between the embedded pipe 301 and hands of the person is improved, and the person can rotate the sealing cover 300 conveniently.

One specific application of this embodiment is: when the sampling glass tube 700 is embedded into the inner cavity of the connecting cylinder 200 through the embedding tube 301, the semicircular top block 702 at the lower end of the sampling glass tube 700 is embedded with the semicircular notch 601, and the top block sealing piece 600 is arranged, so that the sealing piece 600 is separated towards two sides, when a solution is dripped into the detection area 101 and the sampling glass tube 700 is drawn out, the spring 500 automatically pushes the sealing piece 600, so that the sealing pieces 600 are mutually closed, thereby sealing the lower end of the embedding tube 301, so that the solution is not easy to volatilize in the detection process, after the sampling glass tube 700 samples the solution through the through hole 701, the sealing ring 900 is moved, so that the rubber extrusion layer 901 seals the through hole 701, the sealing effect inside the sampling glass tube 700 is improved, the accuracy of the detection result is further improved, when the sampling glass tube 700 is embedded with the embedding tube 301, the upper end of the embedding tube 301 automatically pushes the sealing ring 900 to move upwards, and the operation and use of personnel are facilitated.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a concentration detection device for acetic anhydride finished product, includes online detector (100) and sample glass pipe (700), its characterized in that: the detection device comprises an online detector (100), a detection area (101) is arranged on the upper surface of the online detector (100), a connecting cylinder (200) is fixedly connected to the upper surface of the online detector (100), a sealing cover (300) is arranged on the connecting cylinder (200), an embedded pipe (301) is fixedly connected to the upper end of the sealing cover (300), a pair of guide rods (400) is fixedly connected to the lower end of the sealing cover (300), springs (500) are fixedly connected to the inner walls of the pair of guide rods (400), a sealing sheet (600) is fixedly connected to one end of each spring (500), and a semi-arc-shaped notch (601) is formed in the upper surface of each sealing sheet (600);

the lower end of the sampling glass tube (700) is embedded with the embedding tube (301).

2. A concentration detecting device for a finished product of acetic anhydride according to claim 1, characterized in that: the upper end fixedly connected with elasticity gasbag (800) of sample glass pipe (700), through-hole (701) have been seted up to the outer periphery of sample glass pipe (700), the outer periphery cover of sample glass pipe (700) is equipped with sealing ring (900), the inner wall fixedly connected with rubber extrusion layer (901) of sealing ring (900), lower extreme fixedly connected with semicircle kicking block (702) of sample glass pipe (700), semicircle kicking block (702) and semiarcuation notch (601) phase-match.

3. A concentration detecting device for a finished product of acetic anhydride according to claim 2, characterized in that: the outer circumferential surface of the elastic air bag (800) is corrugated, and the elastic air bag (800) is longitudinally extruded.

4. A concentration detecting device for a finished product of acetic anhydride according to claim 1, characterized in that: spacing spout (401) have been seted up to the inner wall of guide bar (400), the last fixed surface of mounting (600) is connected with slider (602), constitute sliding connection between slider (602) and spacing spout (401).

5. A concentration detecting device for a finished product of acetic anhydride according to claim 1, characterized in that: the sealing cover (300) is in threaded connection with the connecting cylinder (200).

6. A concentration detecting device for a finished product of acetic anhydride according to claim 1, characterized in that: the outer circumferential surface of the embedded pipe (301) is fixedly connected with a rubber layer (3011), and the outer circumferential surface of the rubber layer (3011) is provided with anti-skidding grains.

Images