CN217302068U - Sealing element protection mechanism of quick connector - Google Patents
Sealing element protection mechanism of quick connector Download PDFInfo
- Publication number
- CN217302068U CN217302068U CN202220288656.8U CN202220288656U CN217302068U CN 217302068 U CN217302068 U CN 217302068U CN 202220288656 U CN202220288656 U CN 202220288656U CN 217302068 U CN217302068 U CN 217302068U
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- female
- male head
- head valve
- male
- wall
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- 238000007789 sealing Methods 0.000 title claims abstract description 101
- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 15
- 230000009471 action Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a sealing element protection mechanism of a quick joint, which comprises a male head and a female head; the male head comprises a male head body, a male head valve core, a male head valve sleeve and a first sealing ring, the first sealing ring is arranged on the outer wall of the male head valve core, the male head valve sleeve is sleeved on the male head valve core, the rear side of the male head valve sleeve is connected with a first return spring, and a second return spring is connected between the front end of the male head valve core and the inner wall of the male head valve sleeve; female head includes female head body, female head case, female head valve barrel, protective sheath and second sealing washer, and female head valve barrel suit is in female head case, and the rear side of female head valve barrel is connected with third reset spring, and the second sealing washer setting is on the inner wall of female head valve barrel, and the protective sheath suit is in female head case, and the rear side of protective sheath is connected with fourth reset spring. The utility model relates to a quick-operation joint's sealing member protection machanism can effectually protect the sealing washer, prevents the fluid contact sealing washer, simultaneously, can prevent that the sealing washer from receiving the fluid impact and deviating from in the seal groove.
Description
Technical Field
The utility model relates to a quick-operation joint's sealing member protection mechanism.
Background
The quick connector is a device for realizing quick disconnection or connection of pipelines, is mostly used in hydraulic pipelines, and is mostly provided with rubber hoses and quick connectors for realizing different hydraulic circuits and facilitating arrangement and connection of various elements. The traditional quick joint has no sealing element protection function, and fluid is in contact with the sealing element for a long time, so that the sealing element is accelerated to age, lose elasticity and lose the sealing function; if impurities and particles exist in the fluid, the impurities and the particles in the fluid continuously impact and rub the sealing element along with the rapid flow of the fluid, so that the sealing element is forced to be cracked and damaged, and finally the sealing function is lost. And, when the fluid flow rate is too high, the fluid can flush the seal from the mounting groove, causing the piping system to leak.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick-operation joint's sealing member protection machanism, its is rational in infrastructure, can effectually protect the sealing washer, prevents the fluid contact sealing washer, simultaneously, can prevent that the sealing washer from receiving the fluid impact and deviating from in the seal groove.
In order to achieve the purpose, the technical scheme of the utility model is to design a sealing element protection mechanism of a quick connector, which comprises a male head and a female head;
the male head comprises a male head fixing seat, a male head body, a male head valve core, a male head valve sleeve and a first sealing ring, the male head body is arranged inside the male head fixing seat, the male head valve core and the male head valve sleeve are movably arranged inside the male head body, a first sealing groove is formed in the outer wall of the front end of the male head valve core, the first sealing ring is arranged in the first sealing groove, the first sealing ring abuts against the inner wall of the male head body, the male head valve sleeve is sleeved on the male head valve core, the rear side of the male head valve sleeve is connected with a first reset spring, a second reset spring is connected between the front end of the male head valve core and the inner wall of the male head valve sleeve, the inner wall of the male head valve sleeve protrudes inwards to form a first limiting part, and the first limiting part is used for being matched with the front end of the male head valve core;
the female head comprises a female head fixing seat, a female head body, a female head valve core, a female head valve sleeve, a protective sleeve and a second sealing ring, the female head body is arranged in the female head fixing seat, the female head valve core is fixedly arranged in the female head body, the female head valve sleeve and the protective sleeve are movably arranged in the female head body, the female head valve sleeve is sleeved on the female head valve core, the rear side of the female head valve sleeve is connected with a third reset spring, the inner wall of the female head valve sleeve protrudes inwards to form a second limiting part, the inner wall of the second limiting part is provided with a second sealing groove, the second sealing ring is arranged in the second sealing groove, the second sealing ring is abutted against the outer wall of the female head valve core, the protective sleeve is sleeved on the female head valve core, the rear side of the protective sleeve is connected with a fourth reset spring, the outer wall of the protective sleeve protrudes outwards to form a third limiting part, and the third limiting part is positioned at the rear side of the second limiting part, and the third limiting part is used for being matched with the second limiting part. By adopting the scheme, when the male head is connected with the female head, the male head valve core is extruded by the female head valve core to drive the first sealing ring to retreat and compress the second reset spring, so that the first sealing ring is moved between the male head valve core and the male head valve sleeve, and then the front end of the male head valve core is contacted with the first limiting part and drives the male head valve sleeve to retreat and compress the first reset spring together; meanwhile, the female valve sleeve is extruded by the male valve body to drive the second sealing ring to retreat and compress the third reset spring, so that the second sealing ring is moved between the female valve sleeve and the protective sleeve, then the second limiting part of the female valve sleeve is contacted with the third limiting part of the protective sleeve, and the protective sleeve is driven to retreat together and compress the third reset spring and the fourth reset spring until the internal flow channel of the male valve body is communicated with the internal flow channel of the female valve body, so that the male valve is connected with the female valve; and, can protect each sealing washer in advance before the runner switches on to prevent that each sealing washer from receiving the fluid impact and deviating from in the seal groove.
Preferably, a leading-in inclined plane is arranged on the inner wall of the front end of the female head body. Through adopting above-mentioned scheme, when carrying out public head and female being connected, guide the male body's of inserting by leading-in inclined plane to make public head body and female accurate connection of body.
Preferably, a third sealing groove is formed in the inner wall of the front end of the female valve body, the third sealing groove is located on the rear side of the guide-in inclined plane, a third sealing ring is arranged in the third sealing groove, and the third sealing ring abuts against the outer wall of the female valve sleeve. By adopting the scheme, when the female head is not used, the sealing between the female head body and the female head valve sleeve is realized by the third sealing ring; when the male head and the female head are connected, the third sealing ring is abutted against the male head body, so that the sealing between the female head body and the male head body is realized.
Preferably, the elastic coefficient of the first return spring is greater than the elastic coefficient of the second return spring.
The utility model has the advantages and the beneficial effects that: the utility model provides a quick-operation joint's sealing member protection mechanism, its is rational in infrastructure, can effectually protect the sealing washer, prevents the fluid contact sealing washer, simultaneously, can prevent that the sealing washer from receiving fluid impact and deviating from in the seal groove.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1, a seal protection mechanism of a quick coupling includes a male head and a female head;
the male head comprises a male head fixing seat 1, a male head body 2, a male head valve core 3, a male head valve sleeve 4 and a first sealing ring 5, wherein the male head body 2 is arranged inside the male head fixing seat 1, the male head valve core 3 and the male head valve sleeve 4 are movably arranged inside the male head body 2, a first sealing groove is formed in the outer wall of the front end of the male head valve core 3, the first sealing ring 5 is arranged in the first sealing groove, the first sealing ring 5 abuts against the inner wall of the male head body 2, the male head valve sleeve 4 is sleeved on the male head valve core 3, the rear side of the male head valve sleeve 4 is connected with a first reset spring 6, a second reset spring 7 is connected between the front end of the male head valve core 3 and the inner wall of the male head valve sleeve 4, the inner wall of the male head valve sleeve 4 protrudes inwards to form a first limiting part 8, and the first limiting part 8 is used for being matched with the front end of the male head valve core 3;
the female joint comprises a female joint fixing seat 9, a female joint body 10, a female joint valve core 11, a female joint valve sleeve 12, a protective sleeve 13 and a second sealing ring 14, wherein the female joint body 10 is arranged inside the female joint fixing seat 9, the female joint valve core 11 is fixedly arranged inside the female joint body 10, the female joint valve sleeve 12 and the protective sleeve 13 are movably arranged inside the female joint body 10, the female joint valve sleeve 12 is sleeved on the female joint valve core 11, the rear side of the female joint valve sleeve 12 is connected with a third return spring 15, the inner wall of the female joint valve sleeve 12 protrudes inwards to form a second limiting part 16, the inner wall of the second limiting part 16 is provided with a second sealing groove, the second sealing ring 14 is arranged in the second sealing groove, the second sealing ring 14 abuts against the outer wall of the female joint valve core 11, the protective sleeve 13 is sleeved on the female joint valve core 11, the rear side of the protective sleeve 13 is connected with a fourth return spring 17, and the outer wall of the protective sleeve 13 protrudes outwards to form a third limiting part 18, the third position-limiting portion 18 is located at the rear side of the second position-limiting portion 16, and the third position-limiting portion 18 is used for matching with the second position-limiting portion 16.
The female body 10 is provided with a lead-in slope 19 on the inner wall of the front end thereof.
A third sealing groove is formed in the inner wall of the front end of the female valve body 10, the third sealing groove is located on the rear side of the guiding-in inclined surface 19, a third sealing ring 20 is arranged in the third sealing groove, and the third sealing ring 20 abuts against the outer wall of the female valve sleeve 12.
The elastic coefficient of the first return spring 6 is larger than that of the second return spring 7.
The utility model relates to a sealing member protection machanism's of quick-operation joint theory of operation: when the male head is connected with the female head, the male head valve core 3 is extruded by the female head valve core 11 to drive the first sealing ring 5 to retreat and compress the second reset spring 7, so that the first sealing ring 5 is moved between the male head valve core 3 and the male head valve sleeve 4, and then the front end of the male head valve core 3 is contacted with the first limiting part 8 and drives the male head valve sleeve 4 to retreat and compress the first reset spring 6 together; meanwhile, the female valve sleeve 12 is extruded by the male valve body 2 to drive the second sealing ring 14 to retreat and compress the third return spring 15, so that the second sealing ring 14 moves between the female valve sleeve 12 and the protective sleeve 13, then the second limiting part 16 of the female valve sleeve 12 is contacted with the third limiting part 18 of the protective sleeve 13 and drives the protective sleeve 13 to retreat together and compress the third return spring 15 and the fourth return spring 17 until the internal flow channel of the male valve body 2 is communicated with the internal flow channel of the female valve body 10, so that the connection between the male valve and the female valve is completed, and at the moment, the first sealing ring 5 is positioned between the male valve core 3 and the male valve sleeve 4, and the second sealing ring 14 is positioned between the female valve sleeve 12 and the protective sleeve 13, so that the first sealing ring 5 and the second sealing ring 14 can be protected, and the sealing rings are prevented from being damaged due to long-term contact with fluid; in addition, the sealing rings can be protected in advance before the flow channel is communicated, so that the sealing rings are prevented from being separated from the sealing grooves due to the impact of fluid.
When the male head is disconnected with the female head, the male valve sleeve 4 is reset under the action of the elastic restoring force of the first restoring spring 6, the male valve core 3 is reset under the action of the elastic restoring force of the second restoring spring 7, and the first sealing ring 5 is positioned between the male valve core 3 and the male valve body 2, so that external dust is prevented from entering the male valve body 2; meanwhile, the female valve sleeve 12 is reset under the action of the elastic restoring force of the third restoring spring 15, the protective sleeve 13 is reset under the action of the elastic restoring force of the fourth restoring spring 17, the second sealing ring 14 is located between the female valve sleeve 12 and the female valve element 11 at the moment, and the third sealing ring 20 is located between the female valve sleeve 12 and the female valve body 10, so that external dust is prevented from entering the female valve body 10.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A sealing element protection mechanism of a quick connector is characterized by comprising a male head and a female head;
the male head comprises a male head fixing seat, a male head body, a male head valve core, a male head valve sleeve and a first sealing ring, the male head body is arranged inside the male head fixing seat, the male head valve core and the male head valve sleeve are movably arranged inside the male head body, a first sealing groove is formed in the outer wall of the front end of the male head valve core, the first sealing ring is arranged in the first sealing groove, the first sealing ring abuts against the inner wall of the male head body, the male head valve sleeve is sleeved on the male head valve core, the rear side of the male head valve sleeve is connected with a first reset spring, a second reset spring is connected between the front end of the male head valve core and the inner wall of the male head valve sleeve, the inner wall of the male head valve sleeve protrudes inwards to form a first limiting part, and the first limiting part is used for being matched with the front end of the male head valve core;
the female head comprises a female head fixing seat, a female head body, a female head valve core, a female head valve sleeve, a protective sleeve and a second sealing ring, the female head body is arranged in the female head fixing seat, the female head valve core is fixedly arranged in the female head body, the female head valve sleeve and the protective sleeve are movably arranged in the female head body, the female head valve sleeve is sleeved on the female head valve core, the rear side of the female head valve sleeve is connected with a third reset spring, the inner wall of the female head valve sleeve protrudes inwards to form a second limiting part, the inner wall of the second limiting part is provided with a second sealing groove, the second sealing ring is arranged in the second sealing groove, the second sealing ring is abutted against the outer wall of the female head valve core, the protective sleeve is sleeved on the female head valve core, the rear side of the protective sleeve is connected with a fourth reset spring, the outer wall of the protective sleeve protrudes outwards to form a third limiting part, and the third limiting part is positioned at the rear side of the second limiting part, and the third limiting part is used for being matched with the second limiting part.
2. The seal protection mechanism for a quick connector according to claim 1, wherein a lead-in chamfer is provided on an inner wall of a front end of the female body.
3. The protection mechanism for the sealing member of the quick coupling according to claim 2, wherein a third sealing groove is formed on the inner wall of the front end of the female housing, the third sealing groove is located at the rear side of the guiding-in slope, a third sealing ring is disposed in the third sealing groove, and the third sealing ring abuts against the outer wall of the female housing.
4. The seal protection mechanism for a quick connector according to claim 1, wherein the spring constant of the first return spring is greater than the spring constant of the second return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288656.8U CN217302068U (en) | 2022-02-14 | 2022-02-14 | Sealing element protection mechanism of quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288656.8U CN217302068U (en) | 2022-02-14 | 2022-02-14 | Sealing element protection mechanism of quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217302068U true CN217302068U (en) | 2022-08-26 |
Family
ID=82928219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220288656.8U Active CN217302068U (en) | 2022-02-14 | 2022-02-14 | Sealing element protection mechanism of quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217302068U (en) |
-
2022
- 2022-02-14 CN CN202220288656.8U patent/CN217302068U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: No. 269 Xinfeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215100, 32 # 601 Patentee after: Nuotong (Suzhou) fluid system technology Co.,Ltd. Address before: 200000 No. 722, Mingxing village, Jinhui Town, Fengxian District, Shanghai Patentee before: Gao Fahua |