CN210292218U - Manual exhaust valve of fan-coil unit and air conditioner - Google Patents
Manual exhaust valve of fan-coil unit and air conditioner Download PDFInfo
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- CN210292218U CN210292218U CN201920819135.9U CN201920819135U CN210292218U CN 210292218 U CN210292218 U CN 210292218U CN 201920819135 U CN201920819135 U CN 201920819135U CN 210292218 U CN210292218 U CN 210292218U
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Abstract
The utility model provides a fan coil's manual discharge valve, fan coil unit and air conditioner, manual discharge valve set up in fan coil unit heat exchanger peak, manual discharge valve inlet end is connected with water collecting and dividing ware, and the valve is chewed and is provided with anti-disengaging structure for prevent that the air duct from following the valve is chewed and is come off. The manual exhaust valve is arranged at the highest point of the heat exchanger of the fan coil unit, so that air in the unit can be effectively emptied, and meanwhile, the anti-drop structure can avoid the phenomenon of unit water leakage caused by the fact that the air guide pipe is connected with the valve nozzle insecurely, and customer complaints and after-sale problems are reduced.
Description
Technical Field
The utility model relates to an air conditioning technology field particularly, relates to a fan-coil unit's manual discharge valve and air conditioner.
Background
A fan-coil unit is called a fan coil for short. It is one of the end devices of air conditioning system composed of small fan, motor and coil pipe (air heat exchanger). When chilled water or hot water flows through the coil pipes, heat is exchanged with air outside the pipes, so that the air is cooled, dehumidified or heated to adjust indoor air parameters.
Water flows in the heat exchanger of the fan coil unit, the water flows in the direction of downward flow and flows out of the heat exchanger, and the main purpose is to facilitate drainage of the unit (particularly in winter) and avoid freezing and cracking of a copper pipe caused by freezing of the water. Because the coil pipes of the unit and the water pipes on the engineering have a large amount of air accumulation when the unit is installed in the engineering, the unit must be emptied before use in order to avoid air lock of a water system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem promote fan-coil unit's evacuation effect to reduce the unit hidden danger of leaking.
In order to solve the problem, the utility model provides a fan-coil's manual discharge valve, manual discharge valve's inlet end connect in the peak of fan-coil unit's heat exchanger, valve are chewed and are provided with anti-disengaging structure for prevent that the air duct from following the valve is chewed and is come off.
Through set up manual discharge valve in fan-coil unit heat exchanger peak can effectively empty air in the unit, and anti-disengaging structure's setting can avoid simultaneously because air duct and the valve mouth insecure phenomenon that causes the unit to leak, reduces customer complaint and after sale problem.
Furthermore, the anti-dropping structure is at least one inverted structure, the inverted structure is formed on the periphery of the valve nozzle, and the diameter of the inverted structure is gradually reduced from the side close to the manual exhaust valve to the side far away from the manual exhaust valve. After setting up this back-off structure, the air duct is easily inserted the valve by the one end of minor diameter and is chewed, and inserts the back because with the one end block of the major diameter of back-off structure, consequently firm in connection is difficult for taking off, has stopped the unit hidden danger that leaks that the water guide trachea easily drops and cause.
Furthermore, the maximum outer diameter of the inverted buckle structure is larger than the inner diameter of the air duct, so that interference fit is realized. Because the air duct and the back-off structure adopt interference fit connection, the reliability of connection is further improved.
Further, the valve nozzle end is provided with an assembly guide structure. The assembly guide has a small diameter so that the assembly guide easily extends into the interior of the air duct.
Further, the diameter of the assembly guide structure is smaller than or equal to the minimum diameter of the anti-falling structure.
Furthermore, a sealing ring is arranged between the valve body and the valve core. Because the inside water of unit also can discharge when carminative, thereby it seals to increase sealed rubber ring and prevents that water from following the case and flowing out from the handle.
Furthermore, the valve mouth faces downwards after the manual exhaust valve is screwed down, and a preset included angle is formed between the manual exhaust valve and the vertical direction, so that the assembly of the water guide pipe is facilitated, and the discharged water is favorably guided to the lower water receiving tray.
Further, the predetermined included angle is 13-20 °.
Furthermore, the manual exhaust valve is in threaded connection with the water collecting and distributing device, the threaded assembly length is larger than a preset threshold value, and the manual exhaust valve is sealed by sealant after threaded connection, so that the sealing performance between the manual exhaust valve and the water collecting and distributing device is guaranteed, and water leakage is prevented.
Further, anti-disengaging structure still includes the clamp structure, the clamp structure is used for fastening being connected of air duct and valve nozzle, further prevents both break away from and causes and leak.
According to another aspect of the present invention, there is provided an air conditioner including the manual exhaust valve as described above.
Drawings
FIG. 1 is a schematic view of a fan-coil unit of the present embodiment of the present invention showing a position of a manual exhaust valve;
FIG. 2 is a schematic structural view of a fan-coil unit according to the embodiment of the present invention;
fig. 3 is a schematic view of a connection structure of the manual exhaust valve according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a manual exhaust valve of a fan coil according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a valve mouth of a horizontal air disk manual exhaust valve according to an embodiment of the present invention;
fig. 6 is a schematic view of another valve nozzle structure of the horizontal air disk manual exhaust valve of the embodiment of the present invention. Description of reference numerals:
1-manual exhaust valve, 2-heat exchanger, 3-water collecting and distributing device, 4-water collecting tray, 5-chassis, 6-volute assembly, 101-valve body, 102-valve core, 103-valve mouth, sealing rubber ring 104, 1031-back-off structure and 1032-assembly guide structure.
Detailed Description
The emptying effect of the existing manual exhaust valve is not ideal, and water can be carried in the exhaust of the exhaust valve, so that if the air duct falls off, the water leakage problem can occur in the unit. The existing valve nozzle structure is of a structure with a groove in the middle, and the air guide pipe cannot be inserted to the bottom due to the fact that the groove end is not provided with a guide structure and is difficult to assemble, so that the air guide pipe is easy to fall off. When the unit exhausts, water splashes around and cannot be normally guided into a water receiving tray below the unit, so that customers often complain about the problem of water leakage quality of the unit and need to maintain after sale.
The utility model provides a fan coil's manual discharge valve, manual discharge valve set up in fan coil unit heat exchanger peak, manual discharge valve inlet end is connected with water collecting and dividing ware, and the valve is chewed and is connected with the air duct for in the water collector of lower part is introduced to the water that mix with in the exhaust. In order to avoid the phenomenon of water leakage of the unit caused by the fact that the air guide pipe is not firmly connected with the valve nozzle, the valve nozzle is provided with an anti-falling structure for preventing the air guide pipe from falling off from the valve nozzle.
Specifically, the anti-disengaging structure may be at least one inverted structure, and the diameter of the inverted structure near one end of the manual exhaust valve is smaller, and the diameter of the inverted structure far away from one end of the manual exhaust valve is larger. The maximum outer diameter of the inverted structure is larger than the inner diameter of the air duct, so that interference fit is realized. After setting up this back-off structure, the air duct is easily inserted the valve by the one end of minor diameter and is chewed, and inserts the back because with the one end block of the major diameter of back-off structure, consequently firm in connection is difficult for taking off, has stopped the unit hidden danger that leaks that the water guide trachea easily drops and cause.
Further, the valve tip end portion may be provided with a fitting guide structure. The assembly guide has a small diameter so that the assembly guide easily extends into the interior of the air duct.
In order to further prevent the manual exhaust valve from leaking water, a sealing ring is arranged between the valve body and the valve core of the manual exhaust valve. The manual exhaust valve is in threaded connection with the water collecting and distributing device, the threaded assembly length is larger than a preset threshold value, and the manual exhaust valve is sealed by sealant after threaded connection, so that the sealing performance between the manual exhaust valve and the water collecting and distributing device is guaranteed, and water leakage is prevented.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In a first exemplary embodiment of the present disclosure, a manual vent valve for a horizontal fan coil is provided. FIG. 1 is a schematic view of a fan-coil unit with a manual exhaust valve according to an embodiment of the present invention. As shown in fig. 1, the fan-coil unit includes: the device comprises a manual exhaust valve 1, a heat exchanger 2, a water collecting and distributing device 3, a water receiving disc 4, a chassis 5 and a volute assembly 6. The manual exhaust valve 1 is connected to the heat exchanger 2 through the water collecting and distributing device 3 and is arranged at the highest point of the heat exchanger 2.
Fig. 2 is the utility model discloses fan-coil unit's schematic structure view. As shown in fig. 2, when the unit is used for debugging and pressure testing, gas in a system coil and an engineering pipeline can flow upwards along the pipeline and finally gathers at the highest point of the system, namely, at a manual exhaust valve 1 on a water collecting and distributing device; the gas in the unit is emptied through the manual exhaust valve 1, so that the air lock is avoided. Specifically, by unscrewing a handle connected with the valve core 102, a gap is generated at the contact position of the valve core 102 and the valve body 101, so that the lower part of the valve body 101 is communicated with a valve nozzle 103, and gas is discharged out of the unit through the valve nozzle 103. The valve mouth 103 of the manual exhaust valve 1 is tightly connected with the air duct, and the exhausted air with water is guided into a water receiving tray 4 arranged at the lower part of the fan coil unit.
The air inlet end of the manual exhaust valve 1 is in threaded connection with a water collecting and distributing device 3 on the heat exchanger 2. Fig. 3 is a schematic view of a connection structure of a manual exhaust valve according to an embodiment of the present invention. As shown in figure 3, the manual exhaust valve adopts external threads R1/8 to be matched with the internal thread hole of the water collecting and distributing device 3, in order to ensure the sealing property, the length of the exhaust valve thread needs to be larger than 7mm, and the assembly depth is ensured to be at least 7 mm. And the exhaust valve is connected with the water collecting and distributing device on the horizontal air disc and then sealed by high-temperature glue.
Fig. 4 is a schematic structural view of a manual exhaust valve of a fan coil according to an embodiment of the present invention. As shown in fig. 4, the exhaust valve structure includes a valve body 101, a valve core 102, a valve mouth 103 and a sealing rubber ring 104, wherein the valve core 102 and the valve mouth 103 are respectively connected with the valve body 101 by screw threads. The valve core 102 is disposed inside the valve body 101 and is used for communicating or sealing the area a and the area B. The valve nozzle 103 is communicated with the valve body 101 to form a region B; the lower part of the valve body 101 is provided with an external thread for connection with the water collecting and distributing device 3, this area being area a. The lower end of the valve core 102 is a conical structure, and when moving downwards, the conical structure can close the opening of the area a of the valve body 101, and when moving upwards, the conical structure can open the opening of the area a of the valve body 101. Specifically, the valve core 102 and the valve body 101 are connected through threads to realize longitudinal movement of the valve core 102, mainly in two states of screwing and unscrewing. When the valve core 102 moves upwards for a certain distance, the area A is communicated with the area B, and the gas at the position A can be discharged through the position B, so that the exhaust function is realized; because water in the machine set is discharged while exhausting, in order to avoid water flowing out of the handle along the valve core 102, in the embodiment, an additional sealing rubber ring is provided for sealing. After the valve core 102 is screwed with the valve body 101, the opening of the area A of the valve body 101 is closed, and the area A and the area B can be separated.
Because the manual exhaust valve exhausts and can clamp water, the manual exhaust valve is assembled on the valve nozzle 103 by adopting an air guide pipe, and the water is guided into the water receiving tray 4 at the lowest part of the whole machine. The air exhaust valve of the open-mounted fan coil is generally arranged externally, and if the air guide pipe falls off, water leakage complaints can be caused. Therefore, this embodiment has set up anti-disengaging structure on horizontal winddisk manual discharge valve's valve nozzle, prevents that the air duct from droing.
The horizontal manual discharge valve of wind dish of this embodiment is chewed through setting up the back-off structure as anti-disengaging structure to be provided with assembly guide structure, the air duct easily inserts, and firmly does not take off after inserting, has stopped the water guide trachea and has easily fallen the unit hidden danger that leaks that causes.
Fig. 5 is the structural schematic diagram of the horizontal air disk manual exhaust valve nozzle of the embodiment of the present invention. As shown in fig. 5, an inverted structure 1031 is formed on the outer periphery of the valve nozzle 103 on the horizontal type air disk manual exhaust valve 1, a thin assembly guide structure 1032 is arranged at the assembly port of the valve nozzle 103, and the diameter of the assembly guide structure 1032 is smaller than or equal to the minimum diameter of the inverted structure 1031, so that the guide air duct installation function is realized.
The outer diameter of valve nozzle 103 needs to be matched with the airway. Specifically, the air duct material is transparent PVC, and the size is: the external diameter phi 7 x (internal diameter) phi 5, the maximum external diameter phi 6.2 of the valve mouth reverse buckle structure 1031 is in interference fit with the internal diameter phi 5 of the PVC pipe, and the unilateral interference magnitude is 0.6mm (theory). Through the arrangement, the air guide pipe is easy to insert, and is firm and not loosened after being inserted, and when the unit exhausts, the water guide pipe can smoothly guide water into the water receiving tray on the lower side of the unit.
Fig. 6 is a schematic view of another valve nozzle structure of the horizontal air disk manual exhaust valve of the embodiment of the present invention. In some embodiments, as shown in fig. 6, the valve mouth is arranged to face downwards after the exhaust valve is screwed, and the angle a is a preset angle a with the vertical direction, preferably, the angle a is 13-20 degrees, so that the assembly of the water guide pipe can be further facilitated, and water can be guided to the lowest water pan 4 of the whole machine.
In a second exemplary embodiment of the present disclosure, a manual vent valve for a horizontal fan coil is provided. Unlike the first embodiment, the anti-separation structure of the manual exhaust valve includes a plurality of undercut structures arranged in series on the outer circumference of the valve nozzle structure. Through setting up these a plurality of back-off structures, can further improve the reliability that air duct and manual discharge valve are connected.
In a third exemplary embodiment of the present disclosure, a manual vent valve for a horizontal fan coil is provided. Different from the previous embodiment, the anti-dropping structure of the manual exhaust valve further comprises a hoop structure. The clamp structure is arranged outside the air guide pipe, and the air guide pipe and the valve nozzle are fastened relatively, so that water leakage caused by separation of the air guide pipe and the valve nozzle is further prevented.
In a fourth exemplary embodiment of the present disclosure, a fan coil unit is provided that includes a manual air bleed valve as described in any of the first through third exemplary embodiments above.
In a fifth exemplary embodiment of the present disclosure, an air conditioner is provided that includes the fan-coil unit of the fourth embodiment.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. The manual exhaust valve of the fan coil unit is characterized in that an air inlet end of the manual exhaust valve (1) is connected to the highest point of a heat exchanger (2) of the fan coil unit, and a valve nozzle (103) of the manual exhaust valve (1) is provided with an anti-falling structure for preventing an air guide pipe from falling off from the valve nozzle (103).
2. The manual exhaust valve according to claim 1, wherein the coming-off preventing structure is at least one reverse structure (1031), the reverse structure (1031) is formed on the outer circumference of the valve nozzle (103) and the diameter of the reverse structure is gradually reduced from a side close to the manual exhaust valve (1) to a side far from the manual exhaust valve (1).
3. Manual air vent valve according to claim 2, wherein the maximum outer diameter of the undercut (1031) is larger than the inner diameter of the air duct.
4. A manual air vent valve according to claim 1, wherein the end of the valve mouth (103) is provided with a fitting guide structure (1032).
5. A manual air vent valve according to claim 1, wherein the valve mouth (103) of the manual air vent valve (1) is oriented downwards after being tightened and at a predetermined angle to the vertical.
6. The manual purge valve of claim 5 wherein said predetermined included angle is 13-20 °.
7. A manual exhaust valve according to claim 1, characterized in that a sealing ring (104) is arranged between the valve body (101) and the valve core (102) of the manual exhaust valve (1).
8. A manual exhaust valve according to claim 1, characterized in that the inlet end of the manual exhaust valve (1) is in threaded connection with the water collecting and distributing device (3), the threaded assembly length is greater than a predetermined threshold value, and the threaded connection is sealed with a sealant.
9. A manual air vent valve according to claim 1, wherein the anti-release structure further comprises a clip structure for securing the air duct to the valve nozzle (103).
10. An air conditioner characterized by comprising a manual exhaust valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819135.9U CN210292218U (en) | 2019-05-31 | 2019-05-31 | Manual exhaust valve of fan-coil unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920819135.9U CN210292218U (en) | 2019-05-31 | 2019-05-31 | Manual exhaust valve of fan-coil unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210292218U true CN210292218U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920819135.9U Active CN210292218U (en) | 2019-05-31 | 2019-05-31 | Manual exhaust valve of fan-coil unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210292218U (en) |
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2019
- 2019-05-31 CN CN201920819135.9U patent/CN210292218U/en active Active
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