CN215490256U - Liquid level control device of expansion tank - Google Patents
Liquid level control device of expansion tank Download PDFInfo
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- CN215490256U CN215490256U CN202122185438.XU CN202122185438U CN215490256U CN 215490256 U CN215490256 U CN 215490256U CN 202122185438 U CN202122185438 U CN 202122185438U CN 215490256 U CN215490256 U CN 215490256U
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- expansion
- expansion tank
- liquid level
- tank
- level control
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Abstract
The utility model relates to the technical field of liquid level control of expansion water tanks, in particular to a liquid level control device of an expansion water tank. Including ball-cock assembly and inlet tube, the ball-cock assembly is equipped with the mounting hole that can supply the floater to pass through including the inside floater that is located expansion tank and the water intaking valve of setting on the inlet tube on expansion tank's the lateral wall, installs the detachable apron on the mounting hole, and the inlet tube is worn to establish and is fixed on the apron, and the floater is connected on the inlet tube. The expansion tank has the advantages of convenient disassembly, reduction of the workload of workers, no need of entering the expansion tank for operation by the workers, and no influence on the normal work of the expansion tank in the process of installation and disassembly.
Description
Technical Field
The utility model relates to the technical field of liquid level control of expansion water tanks, in particular to a liquid level control device of an expansion water tank.
Background
The ball-cock assembly that present expansion tank used roughly all is the floater, the connecting rod, connect an external screw thread joint and design one section nozzle stub by the shipyard, flange is matchd to its one termination, the other end is processed into the internal thread and is matchd with the external screw thread joint of ball-cock assembly, the nozzle stub is fixed at last trompil on the cabinet, can discover after such mode installation that the ball-cock assembly can't be torn open when damaging the needs maintenance, if need tear out the ball-cock assembly then need demolish the manhole cover on the cabinet, but this type of cabinet water level all can be in higher position usually, if need tear open the manhole cover then need with the water discharge in the cabinet to the water level be less than the manhole trompil interface just can open the manhole cover, and it is very loaded down with trivial details inconvenient to dismantle the manhole cover, even after opening the manhole, the people also need get into inside the cabinet, just can accomplish the tear-down of ball-cock assembly, the volume size of cabinet also has great requirement. In conclusion, in order to overhaul a ball float valve, the disassembly can be achieved through complicated procedures, and the working efficiency is greatly influenced.
For example chinese utility model patent CN 212777850U discloses a lead to warm closed expansion tank for air conditioning system, which comprises a tank body, a controller, the probe rod, the electron level gauge, the connecting rod, floater and inlet tube, jar body middle part is provided with the inner chamber, be provided with the gasbag in the inner chamber, the controller is installed at jar body front end, jar body left end, bottom and front end are provided with the warning pipe respectively, the outlet pipe, blow off pipe and circulating pipe, the warning pipe, the outlet pipe, blow off pipe and circulating pipe all communicate with the gasbag, warning pipe and outlet pipe intercommunication, jar body top is provided with the access hole, the probe rod is located the gasbag, the probe rod top is passed jar body and is connected with the electron level gauge bottom, jar body left end and inlet tube right-hand member intercommunication, inlet tube right-hand member and connecting rod left end rotatable coupling, the connecting rod right-hand member is provided with the floater, the floater is located liquid level top side. In this kind of structure, if the ball-cock assembly breaks down, need the maintenance to change, then can only get into the internal ball-cock assembly of dismantling, installing of jar by personnel from the access hole on top, just so very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid level control device of an expansion water tank, which can be installed and detached from the side wall of the expansion water tank, is simple to operate, and saves time and labor.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an expansion tank's liquid level control device, includes ball-cock assembly and inlet tube, the ball-cock assembly is including the inside floater that is located expansion tank and the water intaking valve of setting on the inlet tube, be equipped with the mounting hole that can supply the floater to pass through on expansion tank's the lateral wall, install the detachable apron on the mounting hole, the inlet tube is worn to establish and is fixed on the apron, the floater is connected on the inlet tube.
In a further improvement of the liquid level control device of the expansion water tank, the water inlet valve is an electromagnetic valve, a control switch is arranged at one end of the water inlet pipe, which is positioned in the expansion water tank, and the floating ball is connected with the control switch through a connecting rod.
In a further improvement of the liquid level control device of the expansion tank of the present invention, the water inlet valve is a mechanical valve, the mechanical valve is installed at an end of the water inlet pipe in the expansion tank, and the floating ball is connected to the mechanical valve through a connecting rod.
In a further improvement of the liquid level control device of the expansion water tank, a bottom plate is arranged on the side wall of the expansion water tank, and a through hole through which the floating ball can pass is formed in the middle of the bottom plate.
In a further improvement of the above-mentioned liquid level control device for an expansion tank of the present invention, the bottom plate and the cover plate are connected by bolts.
In a further improvement of the above liquid level control device for the expansion tank of the present invention, a gasket is disposed between the bottom plate and the cover plate.
Compared with the prior art, the utility model has the following beneficial effects.
According to the liquid level control device of the expansion water tank, the water inlet pipe penetrates through the cover plate, the floating ball is connected with the water inlet pipe, the floating ball can extend into or move out of the expansion water tank through the mounting hole in the side wall of the expansion water tank, and the cover plate is detachably mounted on the outer side of the mounting hole. When the installation and maintenance work are carried out, a worker can work outside the expansion water tank without entering the inner side through a manhole, water inside the expansion water tank does not need to be discharged, and the operation can be carried out under the condition that the equipment does not stop. The expansion tank has the advantages of convenient disassembly, reduction of the workload of workers, no need of entering the expansion tank for operation by the workers, and no influence on the normal work of the expansion tank in the process of installation and disassembly.
Drawings
FIG. 1 is a schematic view of the liquid level control apparatus of the present invention mounted on an expansion tank;
FIG. 2 is a schematic top view of the fluid level control apparatus of the present invention.
Description of reference numerals:
1-expansion water tank 2-water inlet pipe 3-floating ball 4-mechanical valve
5-mounting hole 6-cover plate 7-connecting rod 8-bottom plate
9-bolt 10-shim
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 and 2, the liquid level control device of the expansion tank of the present invention is installed on a side wall of the expansion tank 1, and includes a ball float valve and a water inlet pipe 2, the ball float valve is used for detecting a change in a water level and controlling the water inlet pipe 2 to inject water into the expansion tank 1, the ball float valve includes a ball float 3 and a water inlet valve, the ball float 3 floats on a water surface in the expansion tank 1, and the water inlet valve is installed on the water inlet pipe 2. The side wall of the expansion water tank 1 is provided with a mounting hole 5 for the floating ball 3 to pass through, and when the expansion water tank is mounted or overhauled, the floating ball 3 can be inserted into or removed from the expansion water tank 1 through the mounting hole 5. The mounting hole 5 is provided with a detachably mounted cover plate 6 for fixing the device on the expansion water tank 1 and preventing the mounting hole 5 from leaking water, the water inlet pipe 2 penetrates through and is fixed on the cover plate 6, and the floating ball 3 is connected with one end of the water inlet pipe 2, which is positioned inside the expansion water tank 1.
In one embodiment of the present invention, the water inlet valve is an electromagnetic valve, a control switch is disposed at one end of the water inlet pipe 2 located inside the expansion water tank 1, and the floating ball 3 is connected to the control switch through a connecting rod 7. In terms of mechanical structure, the floating ball 3 is indirectly connected to the water inlet pipe 2 through the connecting rod 7 and the control switch, so that when the lower cover plate 6 is detached and the water inlet pipe 2 is pulled outwards, the floating ball 3 can be pulled out from the interior of the expansion water tank 1 together, and the maintenance and the replacement of the floating ball 3 are facilitated; from the control relation, the control switch is electrically connected with the electromagnetic valve, when the floating ball 3 goes up and down along with the water level in the expansion water tank 1, the connecting rod 7 is driven to swing up and down, the control switch is triggered to act, and the control switch controls the electromagnetic valve to be opened or closed, so that whether the water inlet pipe 2 enters water or not is controlled.
In another embodiment of the present invention, the water inlet valve is a mechanical valve 4, the mechanical valve 4 is installed at the end of the water inlet pipe 2 in the expansion tank 1, and the floating ball 3 is connected with the mechanical valve 4 through a connecting rod 7. On one hand, the floating ball 3 is indirectly connected with the water inlet pipe 2 through the connecting rod 7 and the mechanical valve 4, so that when the lower cover plate 6 is disassembled and the water inlet pipe 2 is pulled outwards, the floating ball 3 can be pulled out from the interior of the expansion water tank 1 together, and the maintenance and the replacement of the floating ball 3 are convenient; on the other hand, when the floating ball 3 goes up and down along with the water level in the expansion tank 1, the connecting rod 7 is driven to swing up and down, and the mechanical valve 4 is triggered to act, so that whether the water inlet pipe 2 enters water or not is controlled.
According to the liquid level control device of the expansion water tank, a bottom plate 8 is arranged on the side wall, provided with the mounting hole 5, of the expansion water tank 1 and used for fixing the cover plate 6 on the expansion water tank 1, and a through hole for the floating ball 3 to pass through is formed in the middle of the bottom plate 8. The bottom plate 8 and the cover plate 6 are connected through bolts 9. In order to ensure a seal, a gasket 10 is provided between the base plate 8 and the cover plate 6. And a connecting flange is arranged at one end of the water inlet pipe 2 and is used for being connected with an external pipeline.
When the liquid level control device of the expansion water tank is installed, the bottom plate 8 can be welded on the outer side of the side wall installation hole 5 of the expansion water tank 1, the ball float valve extends into the expansion water tank 1, and the cover plate 6 is fixed on the bottom plate 8 through the bolt 9 and the gasket 10. When the device is overhauled, the bolt 9 is loosened, the cover plate 6 is taken down, the floating ball 3 is pulled out, and the device can be overhauled.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an expansion tank's liquid level control device, includes ball-cock assembly and inlet tube (2), the ball-cock assembly is including floater (3) that are located expansion tank (1) inside and the water intaking valve of setting on inlet tube (2), its characterized in that: the expansion tank is characterized in that a mounting hole (5) through which the floating ball (3) can pass is formed in the side wall of the expansion tank (1), a detachable cover plate (6) is mounted on the mounting hole (5), the water inlet pipe (2) penetrates through and is fixed on the cover plate (6), and the floating ball (3) is connected to the water inlet pipe (2).
2. The liquid level control apparatus of the expansion tank as claimed in claim 1, wherein: the water inlet valve is an electromagnetic valve, a control switch is arranged at one end of the water inlet pipe (2) positioned in the expansion water tank (1), and the floating ball (3) is connected with the control switch through a connecting rod (7).
3. The liquid level control apparatus of the expansion tank as claimed in claim 1, wherein: the water inlet valve is a mechanical valve (4), the mechanical valve (4) is arranged at the end part of the water inlet pipe (2) in the expansion water tank (1), and the floating ball (3) is connected with the mechanical valve (4) through a connecting rod (7).
4. The liquid level control apparatus of the expansion tank as claimed in claim 1, wherein: the side wall of the expansion water tank (1) is provided with a bottom plate (8), and the middle part of the bottom plate (8) is provided with a through hole through which the floating ball (3) can pass.
5. The liquid level control apparatus of the expansion tank as claimed in claim 4, wherein: the bottom plate (8) is connected with the cover plate (6) through bolts (9).
6. The liquid level control apparatus of the expansion tank as claimed in claim 4, wherein: and a gasket (10) is arranged between the bottom plate (8) and the cover plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122185438.XU CN215490256U (en) | 2021-09-09 | 2021-09-09 | Liquid level control device of expansion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122185438.XU CN215490256U (en) | 2021-09-09 | 2021-09-09 | Liquid level control device of expansion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215490256U true CN215490256U (en) | 2022-01-11 |
Family
ID=79768751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122185438.XU Active CN215490256U (en) | 2021-09-09 | 2021-09-09 | Liquid level control device of expansion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215490256U (en) |
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2021
- 2021-09-09 CN CN202122185438.XU patent/CN215490256U/en active Active
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