CN212718487U - With stop valve complex joint and idle call test system - Google Patents
With stop valve complex joint and idle call test system Download PDFInfo
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- CN212718487U CN212718487U CN202021412926.9U CN202021412926U CN212718487U CN 212718487 U CN212718487 U CN 212718487U CN 202021412926 U CN202021412926 U CN 202021412926U CN 212718487 U CN212718487 U CN 212718487U
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- stop valve
- valve
- sealing ring
- rod head
- nut
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Abstract
The utility model provides a connect and idle call test system with stop valve complex relates to air conditioner technical field to solve what exists among the prior art in the air conditioner test, be connected the joint of usefulness with the stop valve and have the damaged relatively faster technical problem of sealing washer. This connect includes the sealing washer, and wherein, be provided with the mating holes on the sealing washer, the stop valve can insert the inside wall in order to realize both sealed cooperation of mating holes and stop valve extrusion mating holes on the radial direction of sealing washer. The utility model is used for improve and connect the life of sealing washer with stop valve complex.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner technique and specifically relates to a connect and idle call test system with stop valve complex.
Background
In the air conditioner test at present, the joint that is connected the usefulness with the stop valve generally has the condition that the leakage rate is high, the sealing washer is damaged fast, and the life-span is only about 20 days, and the sealing washer piece after the damage easily gets into air conditioning system, influences the air conditioner quality.
Referring to the attached drawings, fig. 1 and fig. 2 show the structure of the existing joint, which mainly comprises a valve rod head, a nut, a sealing ring and other components, wherein the nut is screwed into the stop valve thread, and the sealing ring is in sealing fit with the chamfer structure (conical surface) of the stop valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a with stop valve complex joint and idle call test system to solve the air conditioner test that exists among the prior art, there is the damaged relatively very fast technical problem of sealing washer with the joint of stop valve connection usefulness. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of with stop valve complex joint, including the sealing washer, wherein, be provided with the mating holes on the sealing washer, the stop valve can insert the mating holes just the stop valve is followed the extrusion on the radial direction of sealing washer the inside wall of mating holes is in order to realize both sealed cooperation.
Further, the joint further comprises a valve rod head, the sealing ring is arranged on the valve rod head, and one end, extending into the matching hole, of the stop valve can be abutted to the valve rod head.
Further, be provided with the assembly groove on the terminal surface of valve rod head, the sealing washer is located in the assembly groove just the stop valve stretches into the one end ability butt of mating holes is in on the tank bottom surface of assembly groove.
Further, an internal channel communicated with the assembling groove is arranged on the valve rod head, and the diameter of one end, close to the assembling groove, of the internal channel is smaller than that of the matching hole.
Furthermore, the sealing ring is close to be provided with the location bellying on the circumference lateral surface of assembly groove tank bottom surface one side, set up on the circumference cell wall of assembly groove and put annular spacing groove, the location bellying is located annular spacing inslot.
Furthermore, a chamfer structure is arranged on one side, close to the end part of the valve rod head, of the inner ring of the sealing ring; when the stop valve is inserted into one end of the sealing ring and abuts against the valve rod head, the chamfer structure on the sealing ring is not in contact with the chamfer structure on the stop valve.
Furthermore, a chamfer structure is arranged on one side, close to the end part of the valve rod head, of the inner ring of the sealing ring; when the stop valve is inserted into one end of the sealing ring and abutted against the valve rod head, the chamfer structure on the sealing ring is in contact with the chamfer structure on the stop valve.
Further, the joint further comprises a valve rod head and a nut, the sealing ring is arranged on the valve rod head, the nut is sleeved outside the valve rod head and fixedly connected with the valve rod head, and the stop valve can be screwed into the nut and inserted into the sealing ring.
Furthermore, one end of the valve rod head is abutted against the inner end face of the nut, a check ring is mounted on the inner side face of the nut, and a fixed block between the nut and the valve rod head is limited between the check ring and the end face of the stepped part of the valve rod head.
The test system for the air conditioner comprises the joint matched with the stop valve.
The utility model provides a connect with stop valve complex, including the sealing washer, be provided with the mating holes on the sealing washer, the stop valve inserts when the mating holes in along the inside wall of the radial direction of sealing washer extrusion mating holes, that is to say, reasonable when the mating holes diameter sets up, make the stop valve body can inject reasonable within range to the compression ratio of sealing washer, even when the degree of depth that the stop valve twists is when deep relatively, the condition that surpasss sealing washer compression ratio allowable value can not exist during the stop valve compression sealing washer, in order to ensure the best performance of sealing washer, improve the life of sealing washer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic representation of a prior art fitting for mating with a shut off valve;
FIG. 2 is a schematic view of a prior art shut-off valve connected to a fitting;
fig. 3 is a schematic structural diagram of a joint engaged with a stop valve according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stop valve provided by the embodiment of the present invention connected to a connector;
fig. 5 is a partially enlarged view a of fig. 4.
In figure 1, a seal ring; 11. a mating hole; 12. a positioning boss; 2. a valve stem head; 21. an internal channel; 22. an annular limiting groove; 3. a nut; 4. a retainer ring; 5. a fixed block; 6. a stop valve body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a connect with stop valve complex, including sealing washer 1, wherein, be provided with mating holes 11 on the sealing washer 1, the stop valve can insert mating holes 11 and stop valve along the radial direction of sealing washer 1 on the inside wall of extrusion mating holes 11 in order to realize both sealed cooperation. Referring to the attached drawing, fig. 1 shows the structure of the existing joint, and fig. 2 shows the structural schematic diagram of the existing joint matching with the stop valve pipe body, and it can be seen from the diagram that the sealing ring is in sealing fit with the chamfer structure (conical surface) of the stop valve, when the stop valve is screwed in to a relatively deep depth, the condition exceeding the compression ratio allowable value of the sealing ring exists when the stop valve compresses the sealing ring, so that the sealing ring is damaged quickly; and the utility model provides a with stop valve complex connect, can see fig. 3-fig. 5, stop valve in the time of the stop valve inserts in the mating holes 11 along the inside wall of the radial direction of sealing washer 1 on the extrusion mating holes 11, that is to say, reasonable when 11 diameters of mating holes set up for stop valve body 6 can inject reasonable within range to the compression ratio of sealing washer 1, even when the degree of depth of stop valve twist is relatively when darker, can not exist during the stop valve compression sealing washer and surpass the circumstances that sealing washer compression ratio allowed value.
Referring to fig. 4 and 5, it can be seen that the fitting hole 11 is a cylindrical hole, the right section of the end face chamfer structure of the stop valve pipe body 6 is fitted with the fitting hole 11, and the position of the stop valve pipe body 6 in sealing fit with the sealing ring is changed and the sealing mode is changed by adjusting the structure of the joint; and because the matching hole 11 is a cylindrical hole, the compression ratio of the sealing ring can not be influenced by changing the depth of screwing the valve into the sealing ring 1. So as to ensure the best performance of the sealing ring and prolong the service life of the sealing ring.
As an alternative embodiment, the joint further comprises a valve rod head 2, the sealing ring 1 is arranged on the valve rod head 2, and one end of the stop valve extending into the matching hole 11 can abut on the valve rod head 2. Since the valve tip 2 is a rigid member, the shut-off valve body 6 cannot be screwed in any further when the shut-off valve body 6 comes into contact with the valve tip 2. The specific structure may be as follows: an assembly groove is formed in the end face of the valve rod head 2, the sealing ring 1 is located in the assembly groove, and one end, extending into the matching hole 11, of the stop valve can abut against the bottom face of the assembly groove; the valve rod head 2 is provided with an internal passage 21 communicated with the assembly groove, and the diameter of one end of the internal passage 21 close to the assembly groove is smaller than that of the matching hole 11. Referring to fig. 3, it is shown that the diameter of the end of the internal passage 21 near the fitting groove is smaller than the diameter of the fitting hole 11, and referring to fig. 4, the shut-off valve body 6 is shown abutting on the valve tip 2.
As an alternative embodiment, referring to fig. 3-5, a positioning protrusion 12 is provided on a circumferential outer side surface of the seal ring 1 on a side close to a bottom surface of the assembly groove, an annular limiting groove 22 is provided on a circumferential groove wall of the assembly groove, and the positioning protrusion 12 is located in the annular limiting groove 22. When the sealing ring 1 is arranged in an assembly groove on the valve rod head 1, the positioning lug boss 12 on the sealing ring 1 is positioned in the annular limiting groove 22 on the assembly groove, the annular limiting groove 22 is used for avoiding the positioning lug boss 12 on the sealing ring 1, and the sealing ring 1 is contacted with the bottom surface of the assembly groove, so that the positioning assembly of the sealing ring 1 is realized.
As an alternative embodiment, the inner ring of the sealing ring 1 is provided with a chamfer structure on one side close to the end part of the valve rod head 2; when the stop valve is inserted into one end of the sealing ring 1 and abuts against the valve rod head 2, the chamfer structure on the sealing ring 1 is not contacted with the chamfer structure on the stop valve. Referring to fig. 4 and 5, there is a chamfer structure on the right side of the section of the stop valve pipe body 6 in sealing fit with the seal ring 1, and when the stop valve pipe body 6 extends into contact with the valve rod head 2, at this moment, the corresponding chamfer structure on the stop valve pipe body 6 does not contact with the chamfer structure on the seal ring 1, namely, there is a space between the two chamfer structures.
Alternatively, when the shut-off valve is inserted into the seal ring 1 and the shut-off valve pipe body 6 is in contact with the valve rod head 2, the chamfer structure on the shut-off valve may be in contact with the chamfer structure on the seal ring 1, thereby further achieving sealing.
As an alternative embodiment, referring to fig. 3-4, the joint further comprises a valve rod head 2 and a nut 3, the sealing ring 1 is arranged on the valve rod head 2, the nut 3 is sleeved outside the valve rod head 2, the nut 3 is fixedly connected with the valve rod head 2, and the stop valve can be screwed into the nut 3 and inserted into the sealing ring 1. The specific fixing manner of the valve rod head 2 and the nut 3 can be as follows: one end of the valve rod head 2 is pressed against the inner end face of the nut 3, the check ring 4 is installed on the inner side face of the nut 3, and the fixing block 5 between the nut 3 and the valve rod head 2 is limited between the check ring 4 and the end face of the stepped part of the valve rod head 2, so that the valve rod head 2 is tightly clamped inside the nut 3. In addition, the left side of the valve rod head 2 is provided with threads, so that the valve rod head can be conveniently butted with other joints or an air conditioner outdoor unit. For the nut 3, the outer peripheral surface of the nut 3 is a regular hexagon, and other regular polygons can be set, so that the tightening use is convenient.
Example 1:
a joint matched with a stop valve comprises a sealing ring 1, wherein a matching hole 11 is formed in the sealing ring 1, the stop valve can be inserted into the matching hole 11, and the stop valve extrudes the inner side wall of the matching hole 11 along the radial direction of the sealing ring 1 so as to realize the sealing matching of the stop valve and the sealing hole;
an assembly groove is formed in the end face of the valve rod head 2, the sealing ring 1 is located in the assembly groove, an internal channel 21 communicated with the assembly groove is formed in the valve rod head 2, the diameter of one end, close to the assembly groove, of the internal channel 21 is smaller than that of the matching hole 11, and one end, extending into the matching hole 11, of the stop valve can abut against the valve rod head 2;
the inner ring of the sealing ring 1 is provided with a chamfer structure on one side close to the end part of the valve rod head 2, and when the stop valve is inserted into one end of the sealing ring 1 and is abutted against the valve rod head 2, the chamfer structure on the sealing ring 1 is not contacted with the chamfer structure on the stop valve.
Example 2:
an air conditioner test system comprising the fitting described in embodiment 1 fitted to a shutoff valve.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A joint matched with a stop valve is characterized by comprising a sealing ring (1), wherein,
be provided with mating holes (11) on sealing washer (1), the stop valve can insert mating holes (11) just the stop valve is followed the radial direction of sealing washer (1) is upwards extruded the inside wall of mating holes (11) is in order to realize both sealed cooperation.
2. A coupling for a shut-off valve according to claim 1, characterised in that the coupling further comprises a valve rod head (2), the sealing ring (1) being arranged on the valve rod head (2), the end of the shut-off valve projecting into the fitting hole (11) being able to abut against the valve rod head (2).
3. A joint for a stop valve according to claim 2, wherein the end face of the valve rod head (2) is provided with a fitting groove, the sealing ring (1) is located in the fitting groove, and the end of the stop valve extending into the fitting hole (11) can abut against the bottom surface of the fitting groove.
4. A coupling for a shut-off valve according to claim 3, characterised in that the valve head (2) is provided with an internal passage (21) communicating with the fitting groove, the diameter of the internal passage (21) near the fitting groove being smaller than the diameter of the fitting hole (11).
5. The joint matched with the stop valve according to claim 3, wherein a positioning lug boss (12) is arranged on the circumferential outer side surface of the sealing ring (1) close to one side of the bottom surface of the assembling groove, an annular limiting groove (22) is arranged on the circumferential groove wall of the assembling groove, and the positioning lug boss (12) is positioned in the annular limiting groove (22).
6. A joint for a stop valve according to any of claims 2-5, wherein the inner ring of the sealing ring (1) is provided with a chamfer structure on the side close to the end of the valve stem head (2); when the stop valve is inserted into one end of the sealing ring (1) and is abutted to the valve rod head (2), the chamfer structure on the sealing ring (1) is not contacted with the chamfer structure on the stop valve.
7. A joint for a stop valve according to any of claims 2-5, wherein the inner ring of the sealing ring (1) is provided with a chamfer structure on the side close to the end of the valve stem head (2); when the stop valve is inserted into one end of the sealing ring (1) and abutted to the valve rod head (2), the chamfer structure on the sealing ring (1) is in contact with the chamfer structure on the stop valve.
8. Joint to be fitted with a stop valve according to any one of claims 1 to 5, characterized in that it further comprises a valve stem head (2) and a nut (3), said nut (3) being fitted outside said valve stem head (2), said nut (3) being fixedly connected to said valve stem head (2), said stop valve being able to be screwed into said nut (3) and inserted into said sealing ring (1).
9. The joint matched with the stop valve according to claim 8, wherein one end of the valve rod head (2) is abutted against the inner end face of the nut (3), a retaining ring (4) is installed on the inner side face of the nut (3), and a fixing block (5) between the nut (3) and the valve rod head (2) is limited between the retaining ring (4) and the end face of the stepped portion of the valve rod head (2).
10. An air conditioning test system comprising the connector according to any one of claims 1 to 9 fitted to a shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412926.9U CN212718487U (en) | 2020-07-16 | 2020-07-16 | With stop valve complex joint and idle call test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412926.9U CN212718487U (en) | 2020-07-16 | 2020-07-16 | With stop valve complex joint and idle call test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718487U true CN212718487U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021412926.9U Active CN212718487U (en) | 2020-07-16 | 2020-07-16 | With stop valve complex joint and idle call test system |
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| Country | Link |
|---|---|
| CN (1) | CN212718487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828744A (en) * | 2020-07-16 | 2020-10-27 | 格力电器（武汉）有限公司 | With stop valve complex joint and idle call test system |
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2020
- 2020-07-16 CN CN202021412926.9U patent/CN212718487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828744A (en) * | 2020-07-16 | 2020-10-27 | 格力电器（武汉）有限公司 | With stop valve complex joint and idle call test system |
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