CN220016217U - Water inlet and return valve assembly of fan coil - Google Patents
Water inlet and return valve assembly of fan coil Download PDFInfo
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- CN220016217U CN220016217U CN202222917092.2U CN202222917092U CN220016217U CN 220016217 U CN220016217 U CN 220016217U CN 202222917092 U CN202222917092 U CN 202222917092U CN 220016217 U CN220016217 U CN 220016217U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims description 60
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of water valve assemblies, and particularly relates to an inlet and return water valve assembly of a fan coil. The water valve solves the problems that the connection between the water valve and a pipeline or other parts is inconvenient to detach, and the water valve is inconvenient to unfold, maintain and repair. This fan coil's water valve subassembly that advances return water, including the ball valve, the ball valve both ends be equipped with first joint and second respectively, first joint on the cover be equipped with the union, the union be used for being greater than the external diameter that first joint was used for with the union link to each other the one end of first joint, first joint and union pass through sealed chucking structure circumference rotation and axial spacing connection. The ball valve and pipeline connecting structure has the advantages that the ball valve and pipeline connecting structure is convenient to assemble and disassemble, and the ball valve and pipeline connecting position overhauling and maintenance operations are convenient to achieve.
Description
Technical Field
The utility model belongs to the technical field of water valve assemblies, and particularly relates to an inlet and return water valve assembly of a fan coil.
Background
With the improvement of living standard, central air conditioning is more and more popular, and fan coil unit is central air conditioning system's terminal processing unit, and fan coil is connected with the water valve, and traditional connected mode is by threaded connection, welded connection etc. inconvenient dismantlement, often comparatively troublesome when the operation such as maintenance is changed to needs.
The utility model patent with the publication number of CN208382367U discloses a fan coil, which comprises a coil connected with a central air conditioner, wherein the coil comprises a cold water supply pipe, a cold water outlet pipe and a condensed water outlet pipe, ball valves are arranged on the cold water supply pipe and the cold water outlet pipe, an automatic air release valve is arranged on the cold water supply pipe, and an electric two-way valve is also arranged on the cold water supply pipe; the cold water outlet pipe is provided with a drain valve, and the outer peripheral walls of the cold water supply pipe and the cold water outlet pipe are respectively wrapped with an insulating layer
The fan coil and the water valve in the prior art are connected in a non-loose joint mode, the original connecting structure is required to be damaged during loading, unloading and maintenance, the operation is relatively troublesome, and the maintenance and replacement work is not facilitated at any time.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides an inlet water return valve assembly of a fan coil, which is convenient to assemble and disassemble.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a fan coil's water valve subassembly that advances that returns, includes the ball valve, the ball valve both ends be equipped with first joint and second respectively, first joint on the cover be equipped with the union, the union be used for being greater than the external diameter that first joint was used for with the union link to each other the one end of first joint, first joint and union pass through sealed chucking structure circumference rotation and axial spacing connection.
The movable joint is sleeved on the first joint of the ball valve and connected with the first joint through the sealing and clamping structure, the movable joint has axial rotation capacity and realizes axial limiting, and the sealing and clamping structure enables the movable joint to be convenient to install and detach.
In the water inlet and return valve assembly of the fan coil, the sealing and clamping structure comprises a first outer step arranged at the outer end of the first connector, a first inner step is arranged at the inner end of the movable connector, the diameter of the first outer step is smaller than the inner diameter of the first inner step, and an annular elastic sealing clamping piece is arranged between the first outer step and the first inner step.
The diameter of the first inner step is larger than that of the first outer step, so that the movable joint can be sleeved into the first joint from the end, the annular elastic sealing clamping piece can be clamped between the first outer step and the second inner step, a good axial limiting effect is achieved, and good sealing performance is achieved.
In the water inlet and return valve assembly of the fan coil, the annular clamping piece mounting groove is formed in the outer wall of the first connector at the inner end of the first outer step, the movable connector is provided with the second inner step located at the inner end of the first inner step, and the inner diameter of the second inner step is larger than that of the first inner step.
The clamping piece mounting groove is used for accommodating the annular elastic sealing clamping piece, the second inner step is used for accommodating the annular elastic sealing clamping piece, and the distance between the second inner step and the clamping piece mounting groove is just slightly larger than the diameter of the annular elastic sealing clamping piece, so that the annular elastic sealing clamping piece is prevented from being excessively and unnecessarily deviated, and good limiting effect and sealing effect are ensured.
In the water inlet and return valve assembly of the fan coil, the movable joint inner thread is arranged at the outer end of the movable joint, a third inner step is arranged between the movable joint inner thread and the second inner step, and the inner diameter of the third inner step is larger than that of the second inner step.
The movable joint is provided with movable joint internal threads at the outer end for connecting other parts, and a third internal step with a larger inner diameter is arranged in the second internal step and has a abdication effect, so that the annular elastic sealing clamping piece can be sleeved into the clamping piece mounting groove from the first external step position.
In the water inlet and return valve assembly of the fan coil, the annular elastic sealing clamping piece has the outer diameter: annular elastic sealing clip internal diameter: the first inner step has an inner diameter: the second inner step has an inner diameter: the third inner step has an inner diameter: the first outer step outer diameter: the proportion of the outer diameter of the clamping piece mounting groove comprises 24.9:21.3:23.2:25.1:26.4:23.1:21.3.
the inner diameters of the first inner step, the second inner step and the third inner step are increased in a step mode, the annular elastic sealing clamping piece is conveniently sleeved on the clamping piece mounting groove, the first outer step is slightly smaller than the first inner step, the movable joint can be sleeved in the first joint from the end, the outer diameter of the clamping piece mounting groove is equal to that of the annular elastic sealing clamping piece, excessive radial deflection of the annular elastic sealing clamping piece is avoided, and good stable sealing performance and limiting effect are guaranteed.
In the water inlet and outlet valve assembly of the fan coil, the width of the first inner step is as follows: second inner step width: third inner step width: the ratio of the diameters of the annular elastic sealing clamping pieces comprises 2:2:2.5:1.8.
the size design of the first inner step, the second inner step and the third inner step ensures that the annular elastic sealing clamping piece can be smoothly sleeved on the clamping piece mounting groove, and meanwhile, enough space is reserved in the movable joint for the first outer step, so that the movable joint internal thread cannot be damaged and interfered.
In the water inlet and outlet valve assembly of the fan coil, one end of the ball valve, which is used for being connected with the first joint, comprises a ball valve internal thread, the first joint is used for being connected with the ball valve, a first joint external thread is arranged on one end of the ball valve, the first joint external thread and the ball valve internal thread are matched with each other, a fixed protruding part is arranged on the first joint at the inner end of the first joint external thread, and the outer diameter of the fixed protruding part is as follows: the internal thread inner diameter of the ball valve is as follows: the ratio of the first outer step includes 32:28:23.1.
the tip of ball valve is equipped with ball valve internal thread, and first joint external screw thread cooperation with first joint can realize being connected, and the rethread bolt passes through fixed bellying and twists on the ball valve, has good fixed spacing effect, and the external diameter of first joint external screw thread end is greater than first outer step end, has distinguished the hookup location and the mode at both ends.
In the water inlet and return valve assembly of the fan coil, the movable joint can be connected with a pipeline through matching of the movable joint internal threads and other external thread movable joints or components.
The internal threads of the union provide for connection with other components.
In the water inlet and return valve assembly of the fan coil, the annular elastic sealing clamping piece comprises a rubber ring.
The annular elastic sealing clamping piece comprises a rubber ring, the rubber ring has good ageing-resistant effect, and the sealing and anti-clearance effect is good.
In the water inlet and return valve assembly of the fan coil, the ball valve comprises a manual ball valve and an electric ball valve.
The water valve assembly can be connected to water valves such as a manual ball valve and an electric ball valve in an adaptive manner, and has a wide application range.
Compared with the prior art:
1. in the water inlet and return valve assembly of the fan coil, the movable joint is in limit connection with the first joint through the sealing and clamping structure, so that the fan coil is convenient to install and detach and convenient to operate.
2. The third inner step with larger inner diameter is further arranged inside the second inner step, so that the annular elastic sealing clamping piece can be sleeved into the clamping piece mounting groove from the first outer step position.
3. The inner diameters of the first inner step, the second inner step and the third inner step are increased in a step mode, the annular elastic sealing clamping piece is conveniently sleeved on the clamping piece mounting groove, the outer diameter of the first outer step is slightly smaller than that of the first inner step, the movable joint can be sleeved into the first joint from the end, the outer diameter of the clamping piece mounting groove is equal to that of the annular elastic sealing clamping piece, excessive radial deflection of the annular elastic sealing clamping piece is avoided, and good stable sealing performance and good limiting effect are guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional view of the utility model as assembled;
FIG. 2 is a schematic cross-sectional view of a ball valve according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a first joint according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a movable joint according to an embodiment of the present utility model;
fig. 5 is a schematic cross-sectional view of the seal clamping structure mated with the union and the first joint.
In the figure, a ball valve 1, a ball valve internal thread 11, a first joint 2, a first external step 21, a clamping piece mounting groove 22, a first joint external thread 23, a fixing boss 24, a second joint 3, a movable joint 4, a first internal step 41, a second internal step 42, a third internal step 43, a movable joint internal thread 44, a first internal step 41, a sealing clamping structure 5, an annular elastic sealing clamping piece 51 and other external thread movable joints 6.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Specific embodiments are shown in fig. 1-5, the water inlet and return valve assembly of the fan coil comprises a ball valve 1, a first joint 2 and a second joint 3 are respectively arranged at two ends of the ball valve 1, a movable joint 4 is sleeved on the first joint 2, the inner diameter of one end of the movable joint 4 connected with the first joint 2 is larger than the outer diameter of the connecting end of the movable joint 4, which is used for the first joint 2, and the first joint 2 and the movable joint 4 are in circumferential rotation and axial limiting connection through a sealing clamping structure 5.
Specifically, the ball valve 1 is mainly composed of a valve rod, a ball body, a valve seat and the like, which are not specifically shown in the drawings, wherein the two ends of the ball valve are respectively provided with a first joint 2 and a second joint 3, the first joint 2 is sleeved with a movable joint 4, the inner diameter of one end of the movable joint 4 connected with the first joint 2 is larger than the outer diameter of the end of the first joint 2 connected with the movable joint 4, so that the movable joint 4 can be sleeved into the first joint 2 from the end, sealing and limiting are realized through a sealing and clamping structure 5, and the ball valve can rotate at the same time, thereby facilitating the other end to be screwed in and screwed out through a movable joint internal thread 44 and other parts, and facilitating assembly and disassembly.
As shown in fig. 1 and 5, the sealing and clamping structure 5 comprises a first outer step 21 arranged at the outer end of the first joint 2, a first inner step 41 is arranged at the inner end of the movable joint 4, the diameter of the first outer step 21 is smaller than the inner diameter of the first inner step 41, an annular elastic sealing clamping piece 51 is arranged between the first outer step 21 and the first inner step 41, an annular clamping piece mounting groove 22 is arranged on the outer wall of the first joint 2 at the inner end of the first outer step 21, a second inner step 42 positioned at the inner end of the first inner step 41 is arranged on the movable joint 4, the inner diameter of the second inner step 42 is larger than the diameter of the first inner step 41, a movable joint internal thread 44 is arranged at the outer end of the movable joint 4, a third inner step 43 is arranged between the movable joint internal thread 44 and the second inner step 42, and the inner diameter of the third inner step 43 is larger than the inner diameter of the second inner step 42.
Specifically, the diameter of the first inner step 41 is larger than that of the first outer step 21, so that the movable joint 4 can be sleeved into the first joint 2 from the end, and the annular elastic sealing clamping piece 51 can be clamped between the first outer step 21 and the second inner step 42, so that a good axial limiting effect is achieved, and good sealing performance is achieved. The clamping piece mounting groove 22 is used for accommodating the annular elastic sealing clamping piece 51, the second inner step 42 is used for accommodating the annular elastic sealing clamping piece 51, the distance between the second inner step 42 and the clamping piece mounting groove 22 is just slightly larger than the diameter of the annular elastic sealing clamping piece 51, the annular elastic sealing clamping piece 51 is prevented from being excessively and unnecessarily deflected, good limiting effect and sealing effect are ensured, the third inner step 43 with larger inner diameter and arranged inside the second inner step 42 has a yielding effect, the annular elastic sealing clamping piece 51 can be sleeved into the clamping piece mounting groove 22 from the first outer step 21, and the movable joint inner thread 44 is arranged at the outer end of the movable joint 4 and can be used for connecting other parts.
Optimally, the annular elastic sealing clip 51 has an outer diameter: annular elastic seal clip 51 inside diameter: the first inner step 41 has an inner diameter: second inner step 42 inner diameter: the third inner step 43 inner diameter: first outer step 21 outer diameter: the ratio of the outer diameters of the clip mounting grooves 22 includes 24.9:21.3:23.2:25.1:26.4:23.1:21.3.
in other words, the inner diameters of the first inner step 41, the second inner step 42 and the third inner step 43 are increased stepwise, so that the annular elastic sealing clamping piece 51 is sleeved on the clamping piece mounting groove 22, the first outer step 21 is slightly smaller than the first inner step 41, the movable joint 4 can be sleeved in the first joint 2 from the end, a certain axial limiting effect is achieved, the outer diameter of the clamping piece mounting groove 22 is equal to that of the annular elastic sealing clamping piece 51, excessive radial deflection of the annular elastic sealing clamping piece 51 is avoided, and good stable sealing performance and limiting effect are guaranteed.
Optimally, the first inner step 41 width: width of the second inner step 42: third inner step 43 width: the ratio of the diameters of the annular elastic sealing clips 51 includes 2:2:2.5:1.8.
in other words, the size design of the first inner step 41, the second inner step 42 and the third inner step 43 ensures that the annular elastic sealing clamping piece 51 can be smoothly sleeved on the clamping piece mounting groove 22, meanwhile, the space is reserved for the first outer step 21 in the movable joint 4, the movable joint internal thread 44 is not damaged and interfered, other parts can be propped against the first outer step 21 after being screwed in through the movable joint internal thread 44, and a pressure is applied to the first outer step 21, so that the annular elastic sealing clamping piece 51 can achieve a sealing effect better.
As shown in fig. 1 and 2, one end of the ball valve 1, which is used for being connected with the first joint 2, comprises a ball valve internal thread 11, the first joint 2 is used for being connected with the ball valve 1, a first joint external thread 23 is arranged on one end of the first joint 2, the first joint external thread 23 and the ball valve internal thread 11 are mutually matched, a fixing protruding part 24 is arranged on the first joint 2 at the inner end of the first joint external thread 23, and the outer diameter of the fixing protruding part 24 is as follows: ball valve internal thread 11 internal diameter: the proportion of the first outer step 21 comprises 32:28:23.1.
specifically, the end of the ball valve 1 is provided with the ball valve internal thread 11, the ball valve internal thread 11 is matched with the first joint external thread 23 of the first joint 2 to realize connection, the ball valve 1 is screwed on through the fixing convex part 24 by a bolt to prevent rotation, the ball valve has good fixing and limiting effects, the outer diameter of the first joint external thread 23 end is larger than that of the first external step 21 end, the connection positions and modes of the two ends are distinguished, and the ball valve is not easy to be misplaced during installation.
Preferably, the union 4 can be connected to the pipeline by the union internal thread 44 cooperating with the other external thread union 6.
In other words, the movable joint internal thread 44 can be matched with other external thread movable joints 6 and other parts to realize connection, and finally connection with a pipeline can be realized, and the movable joint 4 can rotate circumferentially because the movable joint 4 rotates circumferentially and is connected to the first joint 2 in an axial limiting manner, so that connection and detachment with other parts are facilitated.
Preferably, the annular elastic sealing clamping piece 51 comprises a rubber ring, the rubber ring has good ageing-resistant effect, and the sealing anti-clearance effect is good, so that the cost is low.
Preferably, the ball valve 1 comprises a manual ball valve 1 and an electric ball valve 1. The water valve assembly can be connected to water valves such as a manual ball valve 1 and an electric ball valve 1 in an adaptive manner, and is wide in application range.
The specific connection mode is as follows: the first joint 2 is screwed into the ball valve internal thread 11 of the ball valve 1 through the first joint external thread 23 to realize connection, after the first joint is completely screwed into the ball valve 1 through a fixing hole on a fixing protrusion, the other end of the first joint 2 is sleeved with the movable joint 4, the annular elastic sealing clamping piece 51 is sleeved into the clamping piece mounting groove 22 from the first external step 21 at the position of the third internal step 43, and other external thread movable joints 6 or other parts are screwed into the movable joint 4 through the movable joint internal thread 44 until the movable joint 4 is propped against the first external step 21 through rotating the movable joint 4, so that the annular elastic sealing clamping piece 51 forms good sealing between the first internal step 41 and the first external step 21.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a fan coil's water valve subassembly that advances back water, includes ball valve (1), ball valve (1) both ends be equipped with first joint (2) and second joint (3) respectively, its characterized in that, first joint (2) on the cover be equipped with loose joint (4), loose joint (4) be used for the internal diameter of the one end that links to each other with first joint (2) be greater than the external diameter that first joint (2) are used for with loose joint (4) link end, first joint (2) and loose joint (4) pass through seal chucking structure (5) circumference rotation and axial spacing connection, seal chucking structure (5) including setting up first outer step (21) on first joint (2) outer end, loose joint (4) on be equipped with first inner step (41) the diameter of first outer step (21) be less than the internal diameter of first inner step (41), first outer step (21) and first inner step (41) between be equipped with annular elastic seal fastener (51), first inner end (21) first inner step (42) are equipped with on the first inner step (42) of first joint (4) and are equipped with the inside diameter of first step (41) on the inner diameter of first joint (42), the ball valve (1) be used for the one end that is connected with first joint (2) including ball valve internal thread (11), first joint (2) be used for being equipped with first joint external screw thread (23) on the one end that links to each other with ball valve (1), first joint external screw thread (23) with ball valve internal screw thread (11) cooperate each other, first joint (2) of first joint external screw thread (23) inner on be equipped with fixed bellying (24), fixed bellying (24) external diameter: the inner diameter of the internal thread (11) of the ball valve is as follows: the ratio of the first outer step (21) comprises 32:28:23.1, the movable joint (4) can be matched with other external thread movable joints or other parts through the internal thread (44) of the movable joint to realize the connection with the pipeline.
2. The water inlet and outlet valve assembly of the fan coil according to claim 1, wherein a movable joint internal thread (44) is arranged at the outer end of the movable joint (4), a third internal step (43) is arranged between the movable joint internal thread (44) and the second internal step (42), and the inner diameter of the third internal step (43) is larger than the inner diameter of the second internal step (42).
3. The inlet and return water valve assembly of a fan coil as set forth in claim 2 wherein the annular elastomeric seal clip (51) has an outer diameter: inner diameter of the annular elastic sealing clamping piece (51): the inner diameter of the first inner step (41) is as follows: the second inner step (42) has an inner diameter of: the inner diameter of the third inner step (43): the outer diameter of the first outer step (21) is as follows: the proportion of the outer diameter of the clamping piece mounting groove (22) comprises 24.9:21.3:23.2:25.1:26.4:23.1:21.3.
4. the fan coil inlet and outlet water valve assembly of claim 2, wherein said first inner step (41) has a width: second inner step (42) width: third inner step (43) width: the ratio of the diameters of the annular elastic sealing clamp (51) comprises 2:2:2.5:1.8.
5. the water inlet and outlet valve assembly for a fan coil according to any one of claims 1-4, wherein the annular resilient seal clip (51) comprises a rubber ring.
6. The water inlet and return valve assembly of a fan coil according to any one of claims 1-4, wherein the ball valve (1) comprises a manual ball valve and an electric ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917092.2U CN220016217U (en) | 2022-10-31 | 2022-10-31 | Water inlet and return valve assembly of fan coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917092.2U CN220016217U (en) | 2022-10-31 | 2022-10-31 | Water inlet and return valve assembly of fan coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220016217U true CN220016217U (en) | 2023-11-14 |
Family
ID=88685566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222917092.2U Active CN220016217U (en) | 2022-10-31 | 2022-10-31 | Water inlet and return valve assembly of fan coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220016217U (en) |
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2022
- 2022-10-31 CN CN202222917092.2U patent/CN220016217U/en active Active
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