CN215429124U - Liquid-transfering gun in practical high-temperature environment - Google Patents

Abstract

The utility model discloses a practical high-temperature environment liquid-transfering gun, which comprises a shell, wherein the shell comprises a rectangular groove and a circular tube, an elastic air bag is arranged in the rectangular groove, the right side of the circular tube is in threaded connection with a protection device, the protection device comprises a rectangular connecting block, the connecting block is provided with a horizontal circular through hole I and a vertical through hole II, the upper part and the lower part of the through hole II are respectively provided with a pressure gauge and an electronic valve, the right side of the protection device is in threaded connection with a high-temperature-resistant and corrosion-resistant liquid-transfering tube so as to realize a practical high-temperature environment, through the matching of the pressure gauge of the protection device and the electronic valve, accidents caused by overhigh pressure in the tube can be prevented, the heat preservation of the sucked liquid can be carried out through the heat preservation layer of the liquid-transfering tube, the liquid-transfering gun is in threaded connection with the connecting block, the replacement and the cleaning are convenient, the cross infection is avoided, the hand-held liquid-transfering gun replaces the traditional liquid-transfering gun with a hand-held glue cap, not only saves labor, but also increases the stability of liquid taking during experiments, and is convenient for people to use.

Description

Liquid-transfering gun in practical high-temperature environment

Technical Field

The utility model relates to the technical field of biology and chemistry, in particular to a liquid-transfering gun in a practical high-temperature environment.

Background

The pipette is one kind of pipettor, is commonly used in the laboratory to the transfer of a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and the shape of different manufacturers' production is also slightly different, but theory of operation and operating method are unanimous basically, and the pipette belongs to precision instrument, uses and deposits all carefully, prevents to damage, avoids influencing its range.

Various liquid-transfering guns on the existing market can not practical high temperature environment, and it is harder to control the imbibition at the imbibition in-process with holding between the fingers rubber cap usually, lead to the laboratory technician at long-time imbibition process meeting hand fatigue and produce the shake, influence the experimental result, can not keep warm after the imbibition moreover, can lead to the experimental result inaccurate, and the intraductal high temperature makes internal pressure too big, there is the risk of occurence of failure, the pipette can not freely change inconvenient clearance and change in addition, very probably can lead to cross infection.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a liquid transfer gun in a practical high-temperature environment, the high-temperature environment can be realized by a high-temperature resistant and corrosion resistant liquid suction pipe, the heat preservation of the liquid suction pipe can be realized, the accident caused by overhigh pressure in the pipe can be prevented by the matching of a pressure gauge of a protection device and an electronic valve, the liquid suction pipe is in threaded connection with a connecting block, the replacement and the cleaning are convenient, the cross infection is avoided, the hand-held liquid transfer gun is used for replacing the traditional liquid transfer gun with a rubber cap held by hand, the labor is saved, the liquid taking stability in the experiment is improved, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a liquid-transfering gun of practical high temperature environment, which comprises a housin, the casing is the L type, the casing includes rectangular channel and circular duct, the inside left side of circular duct is equipped with the pivot, circular duct inside right side exit is equipped with the sealing washer, the inside elastic airbag that is equipped with of rectangular channel, the upper portion of elastic airbag right side surface is pasted and is had the hose, and the hose runs through the sealing washer, the lower part of elastic airbag right side surface is pasted and is had spring groove one, the inside of spring groove one is equipped with the spring, the casing lower right corner is equipped with the trigger groove, the trigger groove includes the trigger, the trigger runs through the circular duct lower part, and the trigger rotates with the pivot to be connected, trigger left surface is equipped with spring groove two, and the other end of spring passes the trigger groove and is connected with spring groove two, change the inside atmospheric pressure of elastic airbag in order to realize the imbibition through pulling the trigger, circular duct right side threaded connection protection device, protection device's right side threaded connection has high temperature resistant, Corrosion resistant pipettes may be used in high temperature environments.

Furthermore, the protection device comprises a rectangular connecting block, a first through hole in a horizontal circular shape and a second through hole in a vertical circular shape are formed in the connecting block, one end of the inner surface of the first through hole is in threaded connection with the outer side of the circular pipe, the other end of the inner surface of the first through hole is in threaded connection with the outer side of the liquid suction pipe, a pressure gauge and an electronic valve are arranged on the upper portion and the lower portion of the second through hole respectively, and accidents caused by overhigh pressure in the pipe can be prevented through the cooperation of the pressure gauge and the electronic valve.

Further, the pipette includes the heat preservation, the inner wall of heat preservation is equipped with the volume scale mark, can absorb the liquid that has certain volume according to the volume scale mark, the center of heat preservation is equipped with through-hole three, and the imbibition mouth department of heat preservation and through-hole three all is the toper, the inside of heat preservation is equipped with digital temperature sensor, digital temperature sensor can accurately show the temperature convenience test of liquid, can keep warm to the liquid of absorption through the heat preservation, pipette and connecting block threaded connection, be convenient for change and clearance, avoid cross infection.

Further, the lower surface of the rectangular channel of casing is pasted and is had the handle, and the surface of handle is equipped with anti-skidding line, replaces traditional hand to hold between the fingers the rubber cap through holding the handle, and both laborsaving stationarity of getting liquid when still having increased the experiment.

Compared with the prior art, the utility model has the beneficial effects that:

1. a high temperature environment can be put into practical use by a high temperature resistant, corrosion resistant pipette.

2. The heat preservation can be carried out to the liquid of absorbing through the heat preservation of pipette.

3. Through the cooperation of the pressure gauge of the protection device and the electronic valve, accidents caused by overhigh pressure in the pipe can be prevented.

4. The pipette is in threaded connection with the connecting block, so that the pipette is convenient to replace and clean, and cross infection is avoided.

5. The liquid-transfering gun through hand-held type replaces the liquid-transfering gun of the cap is glued to the hand with holding between the fingers to the tradition, both laborsaving stationarity of getting liquid when still having increased the experiment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the protection device.

In the figure: the device comprises a shell 1, a rectangular groove 1a, a circular tube 1b, an elastic air bag 11, a flexible tube 12, a spring groove I13, a spring 14, a rotating shaft 15, a sealing ring 16, a trigger groove 2, a trigger 21, a spring groove II 22, a protective device 3, a connecting block 31, a through hole I32, a through hole II 33, a pressure gauge 34, an electronic valve 35, a pipette 4, a heat-insulating layer 41, a through hole III 42, a digital temperature sensor 43 and volume scale marks 44.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a liquid-transfering gun used in high-temperature environment is composed of a casing 1 in L shape, a rectangular slot 1a and a circular tube 1b in said casing 1, a rotary axle 15 at left side of said circular tube 1b, a sealing ring 16 at right side of said circular tube 1b, an elastic air bag 11 in said rectangular slot 1a, a flexible tube 12 adhered to upper part of right surface of elastic air bag 11, a spring slot 13 adhered to lower part of right surface of elastic air bag 11, a spring 14 in said spring slot 13, a trigger slot 2 at lower right corner of casing 1, a trigger 21 in said trigger slot 2 and connected to said rotary axle 15, a spring slot two 22 at left surface of trigger 21, and a spring 14 at another end of spring 14 connected to spring slot two 22, and a liquid-transfering gun for sucking liquid, the right side of the round pipe 1b is in threaded connection with a protection device 3, the right side of the protection device 3 is in threaded connection with a high-temperature-resistant and corrosion-resistant pipette 4 which can be used in a high-temperature environment, the protection device 3 comprises a rectangular connecting block 31, the connecting block 31 is provided with a horizontal round through hole I32 and a vertical through hole II 33, one end of the inner surface of the through hole I32 is in threaded connection with the outer side of the round pipe 1b, the other end of the inner surface of the through hole I32 is in threaded connection with the outer side of the pipette 4, the upper part and the lower part of the through hole II 33 are respectively provided with a pressure gauge 34 and an electronic valve 35, accidents caused by overhigh pressure in the pipe can be prevented through the matching of the pressure gauge 34 and the electronic valve 35, the pipette 4 comprises a heat preservation layer 41, the inner wall of the heat preservation layer 41 is provided with volume scale marks 44 which can absorb liquid with a certain volume according to the volume scale marks 44, the center of the heat preservation layer 41 is provided with a through hole III 42, and the imbibition mouth department of heat preservation 41 and three 42 of through-hole all is the toper, and the inside of heat preservation 41 is equipped with digital temperature sensor 43, and digital temperature sensor 43 can accurately show the convenient experiment of temperature of liquid, can keep warm the liquid of absorption through heat preservation 41, and pipette 4 and connecting block 31 threaded connection are convenient for change and clear up, avoid cross infection, the lower surface paste of the rectangular channel 1a of casing 1 has handle 5, and the surface of handle 5 is equipped with anti-skidding line, and the cap is glued to the replacement traditional hand of holding between the fingers through holding handle 5, and the stationarity of getting liquid when both laborsaving has still increased the experiment then pulls trigger 21 again.

When in use: the whole shape of the liquid-transfering gun is exactly like a pistol, the handle 5 is held by hands, the outer surface of the handle 5 is provided with anti-skid lines, the handle 5 is held by hands to replace the traditional rubber cap which is pinched by hands, labor is saved, and the stability of liquid-fetching during experiments is increased, then the trigger 21 is pulled, the spring 14 is made to generate elastic deformation by the trigger 21 so as to press the elastic air bag 11, the elastic air bag 11 is squeezed and shriveled, the liquid-sucking port of the pipette 4 is put into liquid, if the volume requirement exists, a certain volume of liquid can be sucked according to the volume scale mark 44, the liquid is moved to the position to be tested, the trigger 21 is released to make the liquid flow out, in the whole process, the liquid-transfering gun is provided with the protection device 3, through the matching of the pressure gauge 34 and the electronic valve 35 of the protection device, when the pressure gauge 34 senses that the pressure in the pipe is too high, the internal air pressure can be reduced by opening the electronic valve 35, the accident caused by the pressure in the pipe can be prevented, the protective means 3 protects and when one liquid has been removed, the pipette 4 can be unscrewed in order to avoid cross-contamination and save time, and the procedure can be repeated for another pipette 4 to aspirate another liquid.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a liquid-transfering gun of practical high temperature environment, includes the casing, its characterized in that: the casing is the L type, the casing includes rectangular channel and circular duct, the inside left side of circular duct is equipped with the pivot, the inside right side exit of circular duct is equipped with the sealing washer, the inside elasticity gasbag that is equipped with of rectangular channel, the upper portion on elasticity gasbag right surface is pasted and is had the hose, and the hose runs through the sealing washer, the lower part on elasticity gasbag right surface is pasted and is had spring groove one, the inside of spring groove one is equipped with the spring, the casing lower right corner is equipped with the trigger groove, the trigger groove includes the trigger, the trigger runs through circular duct lower part, and the trigger rotates with the pivot to be connected, the trigger left surface is equipped with spring groove two, and the other end of spring passes the trigger groove and is connected with spring groove two, circular duct right side threaded connection protection device, protection device's right side threaded connection has high temperature resistant, corrosion-resistant pipette.

2. The pipette gun for practical use in high temperature environments of claim 1, wherein: the protection device comprises a rectangular connecting block, the connecting block is provided with a first horizontal circular through hole and a second vertical through hole, one end of the inner surface of the first through hole is in threaded connection with the outer side of the circular pipe, the other end of the inner surface of the first through hole is in threaded connection with the outer side of the liquid suction pipe, and the upper portion and the lower portion of the second through hole are respectively provided with a pressure gauge and an electronic valve.

3. The pipette gun for practical use in high temperature environments of claim 1, wherein: the pipette includes the heat preservation, and the inner wall of heat preservation is equipped with the volume scale mark, and the center of heat preservation is equipped with through-hole three, and the pipette department of heat preservation and through-hole three all is the toper, and the inside of heat preservation is equipped with digital temperature sensor.

4. The pipette gun for practical use in high temperature environments of claim 1, wherein: the lower surface of the rectangular groove of the shell is pasted with a handle, and the outer surface of the handle is provided with anti-skid grains.

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