CN213090912U - Liquid injection device - Google Patents

Abstract

The utility model provides a liquid injection device belongs to liquid level measurement equipment technical field. And obtaining the height difference between the target liquid level height and the current liquid level height. The liquid tank opening connecting sleeve extends into the opening of the liquid tank and is connected to the opening of the liquid tank, one end of a liquid injection hole of the liquid tank opening connecting sleeve is positioned outside the opening of the liquid tank, and the other end of the liquid injection hole of the liquid tank opening connecting sleeve is opposite to the liquid level of the liquid tank. The gas injection measuring pipe penetrates through the connecting sleeve of the opening of the liquid tank and the opening of the liquid tank to extend into the liquid tank, and gas is injected from the gas injection measuring pipe to expand the gas inflation expansion structure and then seal the gas injection measuring pipe. Liquid is continuously injected into the liquid tank from the liquid injection hole, the liquid level rises to push the inflation expansion structure and the gas injection measuring pipe to rise continuously until the distance of scale change of the gas injection measuring pipe is equal to the height difference. The liquid level height is measured while the liquid level height in the liquid tank is adjusted, the measuring rod does not need to be repeatedly stretched and pulled out and then liquid is poured, and the whole process of adjusting the liquid level height in the liquid tank is relatively simple.

Description

Liquid injection device

Technical Field

The disclosure relates to the technical field of liquid level measuring equipment, in particular to a liquid injection device.

Background

Liquid tanks are common containers for storing liquids. When some fluid reservoirs are used, opaque high-strength materials are needed to be used for manufacturing, and the fluid reservoirs are provided with smaller openings so as to ensure that the whole fluid reservoirs have higher pressure-bearing capacity.

When the liquid level in the liquid tank needs to be measured, the floating ball type measuring device is difficult to enter because the opening of the liquid tank is small, and the electronic liquid level measuring device is used, so that the safety problem can occur. Therefore, the liquid level in the liquid tank is generally determined by inserting the measuring rod from the opening of the liquid tank and determining the height of the liquid level in the liquid tank based on the liquid film formed on the measuring rod by the liquid in the liquid tank.

When the liquid level in the liquid tank is required to reach the target liquid level, the liquid level in the liquid tank is required to be measured by extending the measuring rod from the opening of the liquid tank, the measuring rod is drawn out after the measuring rod finishes measuring, and then liquid is poured into the liquid tank from the opening of the liquid tank according to the liquid level obtained by measuring the measuring rod. The operation of measuring the liquid level and pouring liquid by using the measuring rod is repeated until the liquid level in the liquid tank reaches the target liquid level, so that the process of enabling the liquid level in the liquid tank to reach the target liquid level is complicated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a liquid injection device, which can simplify the operation process of enabling the liquid level in a liquid tank to reach the target liquid level height. The technical scheme is as follows:

the embodiment of the disclosure provides a liquid injection device, which comprises a measuring component and an inflation and expansion component,

the measuring assembly comprises a liquid tank opening connecting sleeve and a gas injection measuring pipe, wherein a liquid injection hole and a measuring pipe mounting hole are formed in the liquid tank opening connecting sleeve, the gas injection measuring pipe is inserted into the measuring pipe mounting hole, scales arranged along the axial direction of the gas injection measuring pipe are arranged on the outer wall of the gas injection measuring pipe, and a gas injection port is formed in the first end of the gas injection measuring pipe;

the inflation expansion assembly comprises an inflation expansion structure, the inflation expansion structure is connected with the gas injection measuring pipe in a sealing mode, and the interior of the inflation expansion structure is communicated with the gas injection port.

Optionally, the end of the second end of the gas injection measurement pipe is closed, and the side wall of the gas injection measurement pipe is provided with a plurality of gas outlets, which are communicated with the gas injection port, and are located inside the inflation structure.

Optionally, the inflatable expansion structure is cylindrical, the inflatable expansion structure is coaxially sleeved on the gas injection measurement pipe, two ends of the inflatable expansion structure are hermetically connected with the outer peripheral wall of the gas injection measurement pipe, and the inner wall of the inflatable expansion structure covers the plurality of gas outlets.

Optionally, the gas injection survey buret includes coaxial coupling's measurement body and bracing piece, the gas injection mouth is located the measurement body is kept away from the one end of bracing piece, the bracing piece with aerify the expanded structure and connect.

Optionally, the measurement component further comprises a target liquid level identification ring, the target liquid level identification ring is coaxially sleeved on the gas injection measuring pipe, and the target liquid level identification ring is detachably connected with the gas injection measuring pipe.

Optionally, the measurement assembly further comprises an anti-dropping piece clamped at the mounting hole of the measurement pipe, and the anti-dropping piece is fixedly connected with the first end of the gas injection measurement pipe.

Optionally, the anti-drop piece is an annular plate, the annular plate is in threaded connection with the gas injection measuring pipe, and the outer diameter of the annular plate is larger than the aperture of the measuring pipe mounting hole.

Optionally, the measuring assembly further comprises a syringe, and one end of the syringe is communicated with one end of the liquid injection hole.

Optionally, the inflation expansion assembly further comprises a plug, and the plug is detachably connected with the gas injection port.

Optionally, the inflation assembly further comprises a tie, wherein the tie sealingly connects the inflation structure to the peripheral wall of the gas injection measurement tube.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

and obtaining the height difference between the target liquid level height and the liquid level height. And then connecting a liquid tank opening connecting sleeve in a measuring assembly of the liquid injection device at the opening of the liquid tank, wherein two ends of a liquid injection hole of the liquid tank opening connecting sleeve are respectively positioned outside the opening of the liquid tank and in the opening of the liquid tank. The gas injection measuring pipe penetrates through a measuring pipe mounting hole on a connecting sleeve of an opening of the liquid tank and extends into the liquid tank, and an inflation expansion structure connected with the outer peripheral wall of one end of the gas injection measuring pipe also extends into the liquid tank. The gas injection measuring pipe is positioned outside the liquid tank at one end with a gas injection port, gas is injected from the gas injection port to expand the inflatable expansion structure, and the gas injection port is sealed to keep the inflatable expansion structure inflated. After the inflated inflation structure is stabilized on the liquid level in the liquid tank, the scales of the gas injection measuring pipe at the measuring pipe mounting hole of the opening connecting sleeve of the liquid tank are observed. Continuously injecting liquid into the liquid tank from the liquid injection hole, enabling the liquid level to rise to push the inflation structure and the gas injection measuring pipe to rise continuously, observing the scale change of the gas injection measuring pipe in real time, and completing the adjustment of the liquid level in the liquid tank until the distance of the scale change of the gas injection measuring pipe at the measuring pipe mounting hole of the liquid tank opening connecting sleeve is equal to the height difference between the target liquid level and the liquid level. When the liquid level in the liquid tank is adjusted, the measuring rod does not need to be repeatedly stretched and drawn out and then liquid is poured in, and the whole process of adjusting the liquid level in the liquid tank is relatively simple.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic view of a measuring rod measuring a liquid level in the related art;

fig. 2 is a schematic view of a usage state of a liquid injection device provided by an embodiment of the disclosure;

fig. 3 is a schematic structural diagram of a liquid injection device provided in an embodiment of the present disclosure;

FIG. 4 is a schematic view of an inflatable assembly according to embodiments of the present disclosure;

FIG. 5 is a schematic view of another state of the inflatable assembly provided by embodiments of the present disclosure;

fig. 6 is a schematic structural diagram of a liquid tank opening connecting sleeve provided by the embodiment of the disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

To facilitate understanding of the present disclosure, fig. 1 is a schematic view of a measuring rod for measuring a liquid level in the related art, and referring to fig. 1, it can be seen that an opening 100a of the liquid tank 100 is small, and only the measuring rod 200 is allowed to extend into the opening 100a of the liquid tank 100, and after the measuring rod 200 extends into the opening 100a of the liquid tank 100, a space for allowing liquid to be injected into the opening 100a of the liquid tank 100 is small, so that it is difficult to measure the liquid level in the liquid tank 100 and inject liquid into the liquid tank 100 simultaneously by using the measuring rod 200.

Fig. 2 is a schematic view of a use state of the liquid injection device provided by the embodiment of the present disclosure, and as can be seen from fig. 2, the embodiment of the present disclosure provides a liquid injection device, which includes a measurement component 1 and an inflation component 2.

Fig. 3 is a schematic structural diagram of a liquid injection device provided in an embodiment of the present disclosure, and as can be seen from referring to fig. 3, the measurement component 1 includes a liquid tank opening connection sleeve 11 and a gas injection measurement pipe 12, the liquid tank opening connection sleeve 11 has a liquid injection hole 11a and a measurement pipe installation hole 11b, the gas injection measurement pipe 12 is inserted into the measurement pipe installation hole 11b, the outer wall of the gas injection measurement pipe 12 has a scale axially arranged along the gas injection measurement pipe 12, and the first end of the gas injection measurement pipe 12 has a gas injection port 12 a.

The inflation assembly 2 includes an inflation structure 21, the inflation structure 21 is connected to the air injection measurement pipe 12 in a sealing manner, and the interior of the inflation structure 21 communicates with the air injection port 12 a.

When the liquid level in the liquid tank 100 needs to be controlled to reach a certain target liquid level, the current liquid level of the liquid tank 100 can be measured first, and the height difference between the target liquid level and the liquid level can be obtained. Then, the liquid tank opening connecting sleeve 11 in the measuring component 1 of the liquid injection device is connected to the opening 100a of the liquid tank 100, and two ends of the liquid injection hole 11a of the liquid tank opening connecting sleeve 11 are respectively positioned outside the opening of the liquid tank 100 and inside the opening of the liquid tank 100. An inflatable structure 21 connected to the outer peripheral wall of the gas injection measurement pipe 12 also extends into the tank 100. The end of the gas injection measurement pipe 12 having the gas injection port 12a is located outside the tank 100, and gas injection from the gas injection port 12a inflates the inflatable structure 21, closing the gas injection port 12a, and keeping the inflatable structure 21 inflated. After the inflated structure 21 is stabilized on the liquid level in the tank 100, the scale of the gas injection measurement pipe 12 at the measurement pipe mounting hole 11b of the tank opening nipple 11 is observed. Liquid is continuously injected into the liquid tank 100 from the liquid injection hole 11a, the liquid level rises to push the inflation expansion structure 21 and the gas injection measuring pipe 12 to rise continuously, and the distance from the scale change of the gas injection measuring pipe 12 to the scale change of the gas injection measuring pipe 12 at the measuring pipe installation hole 11b of the liquid tank opening connecting sleeve 11 is observed in real time and is equal to the height difference between the target liquid level height and the liquid level height. The adjustment of the liquid level in the tank 100 is completed. After the liquid level in the liquid tank 100 is adjusted, the gas in the inflatable structure 21 can be discharged, and after the inflatable structure 21 is contracted, the gas injection measuring pipe 12 and the inflatable structure 21 can be taken out of the liquid tank 100 together. The liquid level height is measured while the liquid level height in the liquid tank 100 is adjusted, the measuring rod 200 does not need to be repeatedly stretched and drawn out and then liquid is poured, and the whole process of adjusting the liquid level height in the liquid tank 100 is relatively simple.

And for some liquid tanks 100 located at high places, it is inconvenient for the staff to measure the liquid level in the liquid tank 100 and add oil liquid into the liquid tank 100, and the structure in the disclosure can simplify the actions required by the staff and also can improve the safety of the staff working at high places.

Optionally, the measuring assembly 1 further comprises a release-preventing member 13 on the end surface of the tank opening connecting sleeve 11, the release-preventing member 13 being fixedly connected to the first end of the gas injection measuring pipe 12.

When needs were surveyed intraductal gas injection to the gas injection, can be connected anticreep spare 13 with gas injection survey buret 12, survey buret 12 with the gas injection and together block in surveying buret mounting hole 11b department, can guarantee going on steadily of gas injection. After the gas injection is completed, the retaining member 13 can be removed from the gas injection measurement pipe 12.

Alternatively, the retaining member 13 may be an annular plate fixedly connected to the gas injection measurement pipe 12, for example, screwed, and having an outer diameter larger than the diameter of the measurement pipe mounting hole 11 b.

The annular plate release prevention element 13 can be quickly connected to the gas injection measurement tube 12 and ensures that the gas injection measurement tube 12 does not fall out of the tank opening nipple 11 into the tank 100.

Optionally, the measurement assembly 1 may further include a target liquid level indicator ring 14, the target liquid level indicator ring 14 coaxially sleeved on the gas injection measurement pipe 12, and the target liquid level indicator ring 14 detachably connected to the gas injection measurement pipe 12.

When the measuring assembly 1 is used, the height of the liquid level in the liquid tank 100 can be measured firstly, and the height difference between the target liquid level and the liquid level in the liquid tank 100 is determined. After the inflatable structure 21 is inflated and stably located on the liquid level, the scales of the gas injection measurement pipe 12 at the measurement pipe mounting hole 11b of the tank opening connection sleeve 11 are observed, and the target liquid level identification ring 14 is moved downward from the scale corresponding to the measurement pipe mounting hole 11b by a distance equal to the height difference. Liquid is added to the tank 100 until the target level indicator ring 14 appears at the measurement pipe mounting hole 11b, at which time the liquid level in the tank 100 reaches the target liquid level. The target level indicator ring 14 is provided to facilitate observation of whether the liquid level in the tank 100 has reached a target level.

Alternatively, the target level indicating ring 14 may be an annular elastic band. The target level indicator ring 14 is fixed and moved on the gas injection measurement pipe 12.

Illustratively, the measuring assembly 1 may further include a syringe 15, and one end of the syringe 15 communicates with one end of the liquid injection hole 11 a.

The addition of the injection tube 15 facilitates the transportation of liquid through the pipeline and the introduction of liquid into the tank 100.

Referring to fig. 3, the gas injection measurement pipe 12 may include a measurement pipe body 121 and a support rod 122 coaxially connected, the gas injection port 12a is located at an end of the measurement pipe body 121 away from the support rod 122, and the support rod 122 is connected to the inflatable structure 21.

The gas injection measuring tube 12 is divided into a measuring tube body 121 and a supporting rod 122, the supporting rod 122 is connected with the inflation structure 21, when the inflation structure 21 needs to be replaced, the supporting rod 122 and the inflation structure 21 can be directly detached from the measuring tube body 121 together, and then the inflation structure 21 is replaced. Facilitating the replacement operation of the inflatable structure 21.

Alternatively, scales arranged along the axial direction may be distributed on the outer circumferential wall of the measuring tube body 121. But not the support rod 122. The degree of difficulty in processing the gas injection measurement pipe 12 is reduced.

Alternatively, the scale on the outer peripheral wall of the gas injection measurement pipe 12 may gradually increase from the end of the gas injection measurement pipe 12 having the gas injection port 12a to the other end of the gas injection measurement pipe 12. The staff can observe the scale conveniently in the process that the gas injection measuring pipe 12 rises along with the liquid level.

Illustratively, the 0 scale S on the outer peripheral wall of the gas injection measurement pipe 12 is aligned with the end of the gas injection measurement pipe 12 having the gas injection port 12 a.

Alternatively, the measuring tube 121 and the supporting rod 122 may be screwed. The quick assembly disassembly between the measuring tube body 121 and the supporting rod 122 is convenient to realize.

Referring to fig. 3, one end of the support rod 122 near the measuring tube 121 has a coaxial threaded hole 122a, and is screwed with one end of the measuring tube 121 having an external thread.

The threaded hole 122a of the support rod 122 can support the measuring tube 121 to a certain extent, so that the possibility of damage to the measuring tube 121 is reduced.

Referring to fig. 3, the second end of the gas injection measurement pipe 12 is closed at its end, and the gas injection measurement pipe 12 has a plurality of gas outlets 12b on its side wall, the plurality of gas outlets 12b each communicating with a gas injection port 12a, and the plurality of gas outlets 12b each located inside the inflatable structure 21.

The gas injection measurement pipe 12 has a plurality of gas outlets 12b on the sidewall thereof, so that the gas introduced from the gas injection ports 12a can be dispersed and introduced into the inflatable structure 21, thereby reducing the occurrence of damage to the inflatable structure 21 due to concentrated stress.

Referring to fig. 3, the plurality of air outlets 12b may be divided into a plurality of groups, the plurality of groups of air outlets 12b are arranged along the axial direction, and each group of air outlets 12b includes a plurality of air outlets 12b circumferentially spaced apart on the outer circumferential wall of the support rod 122. Each set of air outlets 12b illustratively includes two air outlets 12b symmetrically disposed about the axis of the support rod 122.

It is possible to ensure that the gas flowing in from the gas-injection port 12a flows out uniformly from the plurality of gas outlets 12b, ensure stable inflation and expansion of the inflatable structure 21, and reduce the possibility of damage to the inflatable structure 21 due to concentrated stress.

Referring to fig. 3, the inflatable structure 21 may be cylindrical, the inflatable structure 21 is coaxially sleeved on the gas injection measurement pipe 12, two ends of the inflatable structure 21 are hermetically connected to the outer circumferential wall of the gas injection measurement pipe 12, and the inner wall of the inflatable structure 21 covers the plurality of gas outlets 12 b.

The inflation structure 21 is cylindrical and coaxially sleeved on the gas injection measurement pipe 12, and the gas injection measurement pipe 12 can play a role in fixing and supporting the inflation structure 21, so that the possibility that the inflation structure 21 is burst is reduced. And both ends of the inflatable structure 21 are fixed on the gas injection measuring pipe 12, so that the possibility that the inflated structure 21 after being burst falls into the liquid tank 100 can be reduced.

Alternatively, the tubular inflatable structure 21 may be mounted on the support rod 122. Is convenient for disassembly and assembly.

In one implementation provided by the present disclosure, the inflatable structure 21 may be an integral elastic skin, or an air bag structure, which is not limited by the present disclosure.

Illustratively, the inflation assembly 2 may further include a tie 23, the tie 23 sealingly connecting the inflation structure 21 to the peripheral wall of the gas injection measurement tube 12. The cable ties 23 may facilitate the securing of the inflatable structures 21.

When the inflation assembly 2 is cylindrical, the two ends of the inflation assembly 2 can be fixed on the support rods 122 through the binding tapes 23.

Referring to fig. 3, the inflatable module 2 may further include a plug 22, and the plug 22 may be detachably coupled to the gas injection port 12 a. The plug 22 may close the gas-injection port 12a so that the state of the inflatable structure 21 is not changed.

Alternatively, the plug 22 may be a threaded plug. The mounting and dismounting between the plug 22 and the gas injection measuring pipe 12 are facilitated.

To facilitate understanding, fig. 4 and 5 may be provided herein, fig. 4 being a schematic view of a state of the inflatable assembly according to the embodiment of the disclosure, and fig. 5 being a schematic view of a state of the inflatable assembly according to the embodiment of the disclosure. The inflatable structure 21 of fig. 4 is not inflated and the inflatable structure 21 of fig. 5 is fully inflated. Referring to fig. 4 and 5, the inflatable structure 21 can be tightly attached to the outer peripheral wall of the support rods 122 when it is not inflated, and the inflatable structure 21 is inflated to maintain the volume of the inflated gas.

Fig. 6 is a schematic structural view of the liquid tank opening connecting sleeve provided in the embodiment of the present disclosure, and referring to fig. 6, it can be seen that both ends of the liquid filling hole 11a can be respectively located on the peripheral wall of the liquid tank opening connecting sleeve 11 and the end surface of the first end of the liquid tank opening connecting sleeve 11.

When in use, one end of the liquid injection hole 11a positioned on the peripheral wall of the liquid tank opening connecting sleeve 11 is used for communicating structures such as a liquid injector and the like, so that the liquid injection operation is convenient.

Alternatively, the tank opening connection sleeve 11 may have an annulus 11c therein, and the annulus 11c may extend to a first end of the tank opening connection sleeve 11.

The annular space 11c reduces the weight of the tank opening nipple 11 and also facilitates the flow of liquid from the tank opening nipple 11 into the tank 100.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims (10)

1. The liquid injection device is characterized by comprising a measuring component (1) and an inflatable expansion component (2),

the measuring assembly (1) comprises a liquid tank opening connecting sleeve (11) and a gas injection measuring pipe (12), wherein a liquid injection hole (11a) and a measuring pipe mounting hole (11b) are formed in the liquid tank opening connecting sleeve (11), the gas injection measuring pipe (12) is inserted into the measuring pipe mounting hole (11b), scales arranged along the axial direction of the gas injection measuring pipe (12) are arranged on the outer wall of the gas injection measuring pipe (12), and a gas injection port (12a) is formed in the first end of the gas injection measuring pipe (12);

the inflation and expansion assembly (2) comprises an inflation and expansion structure (21), the inflation and expansion structure (21) is connected with the gas injection measuring pipe (12) in a sealing mode, and the interior of the inflation and expansion structure (21) is communicated with the gas injection port (12 a).

2. The filling device according to claim 1, wherein the second end of the gas injection measurement pipe (12) is closed at its end, and the gas injection measurement pipe (12) has a plurality of gas outlets (12b) on its side wall, the plurality of gas outlets (12b) each communicating with the gas injection port (12a), the plurality of gas outlets (12b) each being located inside the gas-filled expansion structure (21).

3. The filling device according to claim 2, wherein the inflatable structure (21) is cylindrical, the inflatable structure (21) is coaxially sleeved on the gas injection measurement pipe (12), two ends of the inflatable structure (21) are hermetically connected with the outer peripheral wall of the gas injection measurement pipe (12), and the inner wall of the inflatable structure (21) covers the plurality of gas outlets (12 b).

4. The filling device according to claim 3, wherein the gas injection measurement pipe (12) comprises a measurement pipe body (121) and a support rod (122) which are coaxially connected, the gas injection port (12a) is located at one end of the measurement pipe body (121) far away from the support rod (122), and the support rod (122) is connected with the inflation expansion structure (21).

5. The filling device according to any one of claims 1 to 4, wherein the measurement assembly (1) further comprises a target liquid level identification ring (14), the target liquid level identification ring (14) is coaxially sleeved on the gas injection measurement pipe (12), and the target liquid level identification ring (14) is detachably connected with the gas injection measurement pipe (12).

6. The liquid injection device according to any one of claims 1 to 4, wherein the measurement assembly (1) further comprises a separation preventing member (13) for being clamped at the measurement pipe mounting hole (11b), and the separation preventing member (13) is fixedly connected with the first end of the gas injection measurement pipe (12).

7. The filling apparatus according to claim 6, wherein the detachment prevention member (13) is an annular plate, the annular plate is screwed with the gas injection measurement pipe (12), and an outer diameter of the annular plate is larger than a hole diameter of the measurement pipe mounting hole (11 b).

8. The liquid injection device according to any one of claims 1 to 4, wherein the measuring assembly (1) further comprises an injection tube (15), and one end of the injection tube (15) is communicated with one end of the liquid injection hole (11 a).

9. The injection device according to any one of claims 1 to 4, wherein the inflatable expansion assembly (2) further comprises a plug (22), and the plug (22) is detachably connected with the gas injection port (12 a).

10. The injection device according to any one of claims 1 to 4, wherein the inflatable expansion assembly (2) further comprises a binding tape (23), and the binding tape (23) is used for connecting the inflatable expansion structure (21) with the peripheral wall of the gas injection measurement pipe (12) in a sealing manner.

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