Chemical sampling bottle

Abstract

The utility model relates to the technical field of sampling bottles, in particular to a chemical sampling bottle. The chemical sampling bottle comprises a bottle body and a bottle cap assembly which are detachably matched, the bottle cap assembly comprises a bottle cap body and an injection pipe which are detachably matched, an opening in one side of the bottle cap body forms a first matching groove, a feeding hole and a discharging hole are formed in the bottom of the first matching groove at intervals, and a one-way valve is arranged at the discharging hole. A plugging mechanism is arranged on the side, close to the matching thread, of the feeding hole and comprises a mechanism shell, a second matching groove is formed in an opening in one end of the mechanism shell, a feeding pipe extending in the direction away from the bottom of the first matching groove is arranged at the bottom of the second matching groove, the injection pipe comprises an inserting part and a matching part which are detachably matched, and the inserting part is used for being matched with the feeding hole; the matching part is used for being connected with a hose, and a fan-shaped sealing cover is rotationally arranged at the end, away from the first matching groove, of the bottle cap shell. According to the chemical sampling device, air isolation in the chemical sampling process can be realized, and the chemicals are prevented from being polluted.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling bottle technical field, specifically, relate to a chemical sampling bottle. BACKGROUND

[0002] In the sampling process of chemicals, the sampling bottle is an indispensable tool, which aims to sample part of a large number of chemicals in order to facilitate subsequent analysis and detection. With the development of fine chemical industry, the requirements for sampling are also getting higher and higher. When collecting chemicals, moisture, dust and other impurities carried in the air may mix into the sample, increasing the risk of sample contamination and affecting the reliability of test results.

[0003] The existing chemical sampling bottle is generally used in the water tank to collect by drainage method or adopt negative pressure collection. However, it is difficult to collect chemicals with density greater than water by drainage method, and air is easily mixed in if the negative pressure method is not sealed tightly, which has certain defects. UTILITY MODEL CONTENT

[0004] The utility model provides a chemical sampling bottle, which can overcome some or some defects of the prior art.

[0005] According to the chemical sampling bottle of the utility model, the bottle body and the bottle cap assembly can be detachably matched, the bottle cap assembly comprises a bottle cap body and an injection pipe which can be detachably matched, a first matching groove is formed at one side of the bottle cap body, a matching thread is formed on the side wall of the first matching groove, a feed hole and a discharge hole are formed at the bottom of the first matching groove, a one-way valve is arranged at the discharge hole, a plugging mechanism is arranged at the side of the feed hole close to the matching thread, the plugging mechanism comprises a mechanism shell, a second matching groove is formed at one end of the mechanism shell, a feed pipe extending away from the bottom of the first matching groove is arranged at the bottom of the second matching groove, the injection pipe comprises a plug-in part and a matching part which can be detachably matched, the plug-in part is used for matching with the feed hole, the matching part is used for being connected with a hose, a sealing cover in the shape of a sector is rotatably arranged at one end of the bottle cap shell away from the first matching groove, and the sealing cover has a first state of abutting matching with the plug-in part and a second state of closing the feed hole and the discharge hole.

[0006] Preferably, a first plugging cover is slidably arranged in the second matching groove, at least two elastic strips are formed at the bottom of the second matching groove, the elastic strips are used for keeping the tendency of the first plugging cover abutting against the feed hole, a first matching boss is formed at the side of the first plugging cover close to the feed hole, the first matching boss is used for plug-in matching with the first matching hole, and a plurality of first through holes are formed at the outer periphery of the first matching boss.

[0007] As preferred, the one end of the plug-in part is opened to form a third matching groove, the sidewall of the third matching groove is circumferentially formed with a plurality of second through holes, a second blocking cover is slidably arranged in the third matching groove, the second blocking cover closes the plurality of second through holes when abutting against the bottom of the third matching groove, the bottom of the third matching groove is provided with a plug-in hole, the first plug-in pin is formed on the side of the second blocking cover close to the plug-in hole, the first plug-in pin is used for matching with the plug-in hole, the second plug-in pin is arranged at the first matching boss, and the second plug-in pin is used for matching with the plug-in hole after the plug-in part is inserted into the liquid hole.

[0008] As preferred, the sidewall of the sealing cover is formed with a clamping groove, the sidewall of the plug-in part is correspondingly formed with a matching ring, the installation groove is correspondingly arranged on the side of the feeding hole close to the sealing cover, the installation groove is used for matching with the matching ring, the second matching boss is further arranged on the side of the bottle cap body close to the sealing cover, the clamping groove is clamped and matched with the outer wall of the plug-in part when the sealing cover is in the first state, and the clamping groove is clamped and matched with the second matching boss when the sealing cover is in the second state.

[0009] As preferred, the one end of the matching part is opened to form a fourth matching groove, the connecting head is formed on the end of the matching part away from the fourth matching groove, the connecting head is used for matching with the hose, the connecting head is communicated with the fourth matching groove, and the end of the matching part away from the connecting head is threadedly matched with the plug-in part.

[0010] As preferred, the bottle body comprises a bottle mouth which is opened at one end, the outer wall of the bottle mouth is used for matching with the matching thread, the containing cavity is formed in the bottle body, and the containing cavity is used for storing chemicals.

[0011] Beneficial effects:

[0012] The utility model discloses a detachable injection pipe and bottle cap body, realize the air insulation in the chemical sampling process, thereby can preferably guarantee that the sampling chemical is not polluted by outside air.

[0013] Further, the sealing cover can not only be clamped and matched with the injection pipe to realize the fixed matching of the injection pipe and the bottle cap body, but also be used for closing the feeding hole and the discharging hole, preferably facilitating the operation of the user. DRAWINGS

[0014] Figure 1 It is the chemical sampling bottle axial measurement schematic diagram;

[0015] Figure 2 It is the chemical sampling bottle explosion schematic diagram;

[0016] Figure 3 It is the bottle cap assembly first state axial measurement schematic diagram;

[0017] Figure 4 It is the bottle cap assembly second state axial measurement schematic diagram;

[0018] Figure 5 is a schematic view of the bottle cap body in axial section;

[0019] Figure 6 is a schematic view of the bottle cap body in exploded section;

[0020] Figure 7 is a schematic view of the mechanism housing in axial section;

[0021] Figure 8 is a schematic view of the first blocking cap in axial section;

[0022] Figure 9 is a schematic view of the injection tube in axial section;

[0023] Figure 10 is a schematic view of the injection tube in exploded section;

[0024] Figure 11 is a schematic view of the second blocking cap in axial section;

[0025] Figure 12 is a schematic view of the mating portion in axial section. DETAILED DESCRIPTION

[0026] For further understanding of the present application, the application will be described in further detail with reference to the drawings. It should be understood that the following embodiments are only used to explain the present application and not to limit the present application.

[0027] As shown in Figures 1-12 The present embodiment provides a chemical sampling bottle 4, comprising a detachably-mated bottle body 9 and a bottle cap assembly 5, the bottle cap assembly 5 comprising a detachably-mated bottle cap body 51 and an injection tube 52, the bottle cap body 51 having a first mating groove 5121 formed on one side thereof, the side wall of the first mating groove 5121 having a mating thread 5122 formed thereon, the bottom of the first mating groove 5121 having a feed hole 5123 and a discharge hole 5124 formed thereon in a spaced-apart manner, a one-way valve being arranged at the discharge hole 5124, the feed hole 5123 being arranged close to one side of the mating thread 5122, the feed hole 5123 having a blocking mechanism arranged thereon, the blocking mechanism comprising a mechanism housing 513, the mechanism housing 513 having a second mating groove 5131 formed on one end thereof, the bottom of the second mating groove 5131 having a feed tube 5132 extending away from the bottom of the first mating groove 5121, the injection tube 52 comprising a plug-in portion 521 and a mating portion 522 which are detachably-mated, the plug-in portion 521 being arranged to mate with the feed hole 5123, the mating portion 522 being arranged to be connected with a hose, the bottle cap body having a sealing cap 511 arranged rotatably on one end thereof away from the first mating groove 5121, the sealing cap 511 having a first state of abutting against the plug-in portion 521 and a second state of closing the feed hole 5123 and the discharge hole 5124, the bottle body 9 comprising a bottle mouth 91 having an opening on one end thereof, the outer wall of the bottle mouth 91 being arranged to mate with the mating thread 5122, the bottle body 9 having a receiving cavity 92 formed therein, the receiving cavity 92 being arranged to store chemicals.

[0028] According to the scheme provided in the embodiment, the cooperation thread 5122 can be screwed with the bottle mouth 91 of the bottle body 9, so as to realize the installation of the bottle cap body 51, one end of the injection pipe 52 is connected with the second two-way valve 304, the other end is inserted into the feeding hole 5123 to fill the sampling bottle 4, and the discharging hole 5124 is used for discharging the liquid in the sampling bottle 4. By arranging the one-way valve at the discharging hole 5124, only gas and liquid can be discharged but not entered at the discharging hole 5124, so that the external air can be effectively prevented from mixing into the sampling bottle 4, and the sealing cover 511 can fix the injection pipe 52 at the bottle cap body 51, so as to facilitate the injection of liquid chemicals, and the feeding hole 5123 and the discharging hole 5124 can also be closed, thereby facilitating transportation and storage.

[0029] In the embodiment, the first plugging cover 514 is slidably arranged in the second cooperation groove 5131, at least two elastic strips 5133 are formed at the bottom of the second cooperation groove 5131, the elastic strips 5133 are used for keeping the first plugging cover 514 in contact with the feeding hole 5123, a first cooperation boss 5141 is formed on the side of the first plugging cover 514 close to the feeding hole 5123, the first cooperation boss 5141 is used for plug-in cooperation with the first cooperation hole, and a plurality of first through holes 5142 are formed in the outer periphery of the first plugging cover 514.

[0030] Further, the third cooperation groove 5211 is formed at one end of the plug-in part 521, a plurality of second through holes 5212 are formed in the side wall of the third cooperation groove 5211 in the circumferential direction, the second plugging cover 523 is slidably arranged in the third cooperation groove 5211, the second plugging cover 523 closes the plurality of second through holes 5212 when abutting against the bottom of the third cooperation groove 5211, the plug-in hole 5214 is arranged at the bottom of the third cooperation groove 5211, the first plug-in pin 5231 is arranged on the side of the second plugging cover 523 close to the plug-in hole 5214, the first plug-in pin 5231 is used for cooperation with the plug-in hole 5214, the second plug-in pin 5143 is arranged at the first cooperation boss 5141, the second plug-in pin 5143 is used for cooperation with the plug-in hole 5214 after the plug-in part 521 is inserted into the liquid inlet hole, and a plurality of third through holes 5232 are formed in the outer periphery of the second plugging cover 523.

[0031] In addition, the clamping groove 5111 is formed in the side wall of the sealing cover 511, the cooperation ring 5213 is correspondingly formed in the side wall of the plug-in part 521, the installation groove 5125 is correspondingly arranged on the side of the feeding hole 5123 close to the sealing cover 511, the installation groove 5125 is used for cooperation with the cooperation ring 5213, the second cooperation boss 5126 is further arranged on the side of the bottle cap body 51 close to the sealing cover 511, the clamping groove 5111 is clamped and cooperated with the outer wall of the plug-in part 521 when the sealing cover 511 is in the first state, and the clamping groove 5111 is clamped and cooperated with the second cooperation boss 5126 when the sealing cover 511 is in the second state.

[0032] Further, the fitting part 522 is open at one end to form a fourth fitting groove 5221, and the fitting part 522 is formed with a connecting head 5222 away from one end of the fourth fitting groove 5221, the connecting head 5222 is used for cooperating with the hose, the connecting head 5222 is communicated with the fourth fitting groove 5221, and the fitting part 522 is screwed with the plug-in part 521 away from the connecting head 5222.

[0033] Working principle:

[0034] That is, in use, the plug-in part 521 of the injection pipe 52 is inserted into the feed hole 5123, the fitting ring 5213 abuts against the installation groove 5125, the sealing cover 511 is rotated to make the clamping groove 5111 clamped with the plug-in part 521, and the injection pipe 52 is kept in a state of being connected with the bottle cap body 51, that is, the first state, at this time, the end of the plug-in part 521 enters the second fitting groove 5131, the second through hole 5212 is located in the second fitting groove 5131, under the action of the elastic piece, the first plugging cover 514 abuts against the end of the plug-in part 521, the second plug-in pin 5143 is inserted into the plug-in hole 5214 and presses the first plug-in pin 5231 of the second plugging cover 523, so that the second plugging cover 523 moves away from the plug-in hole 5214, and thus the second through hole 5212 is communicated, therefore, the liquid chemical can flow from the third through hole 5232, pass through the second through hole 5212 and the first through hole 5142, and finally pass through the feed pipe 5132 to enter the bottom of the sampling bottle 4, so that the replacement of water in the sampling bottle 4 is preferably realized, and the sampling bottle 4 is filled.

[0035] When the filling is completed, the sealing cover 511 is rotated to make the sealing cover 511 separated from the fitting ring 5213, at this time, under the action of the elastic piece, the first fitting boss 5141 of the first plugging cover 514 blocks the feed hole 5123, and the injection pipe 52 is pulled out to make the second plugging cover 523 block the second through hole 5212 and the plug-in hole 5214 under the action of gravity, and then the clamping groove 5111 is clamped with the second fitting boss 5126 by rotating the sealing cover 511, so that the feed hole 5123 and the discharge hole 5124 are sealed, and at this time, the sampling of the liquid chemical is completed.

[0036] In this process, the liquid chemical enters the sampling bottle 4 from the feed hole 5123, enters the bottom of the sampling bottle 4 along the feed pipe 5132, and discharges the pure water from the sampling bottle 4, in this process, the liquid chemical does not contact the external air, and the feed hole 5123 is immediately blocked by the elastic piece and the first plugging cover 514 after the injection pipe 52 is taken out, so as to avoid the mixing of air, the feed hole 5123 and the discharge hole 5124 are blocked by the sealing cover 511, and the air is isolated, which is convenient for transportation and storage.

[0037] It is easy to understand that the person skilled in the art can combine, split, recombine, etc. the embodiments of the present application on the basis of one or several embodiments provided by the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0038] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive. The embodiments shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the present application, without departing from the spirit of the present application, similar structural modes and embodiments can be designed without creativity, and all of them should belong to the protection scope of the present application.

Claims

1. A chemical sampling bottle characterized by, The application relates to a bottle body and a bottle cap assembly, the bottle cap assembly comprises a bottle cap body and an injection pipe which are detachably connected, the bottle cap body is provided with a first connecting groove on one side, the side wall of the first connecting groove is provided with a connecting thread, the bottom of the first connecting groove is provided with an inlet hole and an outlet hole, a one-way valve is arranged at the outlet hole, a blocking mechanism is arranged at the side of the inlet hole close to the connecting thread, the blocking mechanism comprises a mechanism shell, the mechanism shell is provided with a second connecting groove on one end, the bottom of the second connecting groove is provided with an inlet pipe which extends away from the bottom of the first connecting groove, the injection pipe comprises a plug-in part and a connecting part which are detachably connected, the plug-in part is used for being connected with the inlet hole, the connecting part is used for being connected with a hose, and a sealing cover in the shape of a sector is arranged at the end of the bottle cap shell away from the first connecting groove, the sealing cover has a first state of abutting against the plug-in part and a second state of closing the inlet hole and the outlet hole.

2. The chemical sampling bottle of claim 1, wherein, A first blocking cover is arranged in the second connecting groove, at least two elastic strips are arranged at the bottom of the second connecting groove, the elastic strips are used for keeping the first blocking cover abutting against the inlet hole, a first connecting boss is arranged at the side of the first blocking cover close to the inlet hole, the first connecting boss is used for being connected with the first connecting hole, and a plurality of first through holes are arranged at the outer periphery of the first connecting boss of the first blocking cover.

3. The chemical sampling bottle of claim 2, wherein, The end of the plug-in part is provided with a third connecting groove, a plurality of second through holes are arranged on the circumferential wall of the third connecting groove, a second blocking cover is arranged in the third connecting groove, the second blocking cover closes the plurality of second through holes when abutting against the bottom of the third connecting groove, the bottom of the third connecting groove is provided with a plug-in hole, a first plug-in pin is arranged at the side of the second blocking cover close to the plug-in hole, the first plug-in pin is used for being connected with the plug-in hole, a second plug-in pin is arranged at the first connecting boss, the second plug-in pin is used for being connected with the plug-in hole after the plug-in part is inserted into the inlet hole, and a plurality of third through holes are arranged at the outer periphery of the second blocking cover.

4. The chemical sampling bottle of claim 1, wherein, The circumferential wall of the sealing cover is provided with a clamping groove, the circumferential wall of the plug-in part is provided with a connecting ring, the side of the inlet hole close to the sealing cover is provided with a mounting groove, the mounting groove is used for being connected with the connecting ring, and the side of the bottle cap body close to the sealing cover is further provided with a second connecting boss, the clamping groove is clamped with the outer wall of the plug-in part when the sealing cover is in the first state, and the clamping groove is clamped with the second connecting boss when the sealing cover is in the second state.

5. The chemical sampling bottle of claim 1, wherein, The end of the connecting part is provided with a fourth connecting groove, a connecting head is arranged at the end of the connecting part away from the fourth connecting groove, the connecting head is used for being connected with the hose, the connecting head is communicated with the fourth connecting groove, and the end of the connecting part away from the connecting head is threadedly connected with the plug-in part.

6. The chemical sampling bottle of claim 1, wherein, The bottle body comprises a bottle opening, the outer wall of the bottle opening is used for being connected with the connecting thread, an accommodating cavity is arranged in the bottle body, and the accommodating cavity is used for storing chemicals.

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