CN212691165U - Sealing valve core of self-locking quick connector - Google Patents
Sealing valve core of self-locking quick connector Download PDFInfo
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- CN212691165U CN212691165U CN202021480422.0U CN202021480422U CN212691165U CN 212691165 U CN212691165 U CN 212691165U CN 202021480422 U CN202021480422 U CN 202021480422U CN 212691165 U CN212691165 U CN 212691165U
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- sealing
- sealed
- rod
- valve core
- case body
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- 238000007789 sealing Methods 0.000 title claims description 94
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a self-locking quick-operation joint's sealed case, including the case body of rod and sealed external member, the outer end of the case body of rod is located to sealed external member cover, and the case spring sets up in case body of rod rear end, and sealed external member is including sealed piece and sealed the pad, and sealed piece has the connecting hole along the vertical opening in center, and the up end has seted up downwards with the coaxial seal groove in sealed piece center, is equipped with the inner seal circle in the seal groove, the medial surface of inner seal circle and the cooperation of case body of rod terminal. The utility model discloses the product is through improving the outside sealed external member of the case body of rod on prior art basis, and the setting is realized sealed protection to the case body of rod by sealed piece, inner seal circle and the combination of sealed pad collocation, and wherein inner seal circle and sealed direct butt joint case body of rod tip of filling up form sealedly, have effectively reduced the case body of rod and have directly impacted the effect to the sealed piece that is in upper portion, have slowed down sealed piece deformation failure time, and the cost has been saved extremely low to the change cost that the inner seal circle produced the inefficacy.
Description
Technical Field
The utility model relates to a pneumatic tool connects technical field of accessory specifically is a self-locking quick-operation joint's sealed case.
Background
The applicant is for solving when adopting the locking steel ball to connect the locating part as quick-operation joint maincenter, because it is less with quick-operation joint's area of contact because the volume is less, thereby can leave very obvious circular seal of a government organization in the long-time use on can making quick-operation joint's the contact surface, quick-operation joint's the life's of significantly reducing problem, the chinese utility model patent "a japanese auto-lock quick-operation joint" that the authorization bulletin number is CN203703456U has been proposed, can effectively solve above-mentioned technical problem, but the applicant is at many years application in-process, it produces reciprocating motion to discover that the case receives pneumatic action at maincenter originally internal, the sealing washer of case outer end easily receives the impact and produces damaged phenomenon, and the rubber band material of sealing washer also can produce the ageing problem of hardware at any time, thereby influence the sealed effect of case and maincenter body.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a auto-lock quick-operation joint's that can maintain sealed effect for a long time sealed case is provided.
In order to achieve the above object, the utility model provides a self-locking quick-operation joint's sealed case technical scheme does: a sealing valve core of a self-locking quick connector comprises a valve core rod body and a sealing sleeve member, wherein the valve core rod body and the sealing sleeve member are arranged in an inner cavity of the quick connector in a matched mode, the outer end face of the sealing sleeve member is matched with the end face of the inner cavity of the quick connector, the rear end of the valve core rod body is connected with a valve core spring, the sealing sleeve member comprises a sealing block and a sealing gasket which are arranged up and down, the sealing block is vertically provided with a connecting hole along the center, the upper end face of the sealing block is downwards provided with a sealing groove which is coaxial with the center of the sealing block, an inner sealing ring is arranged in the sealing groove, the inner end face of the inner sealing ring is matched with the end face of the valve core rod body, the sealing sleeve member which is provided with the sealing block and the sealing gasket which, the failure time of the sealing block is reduced, the sealing effect of the inner sealing ring can be achieved, and the replacement cost is extremely low after the inner sealing ring fails.
As a further scheme: the sealing block is made of hard plastic, the sealing block has better physical strength performance, friction loss between a rubber material and the valve core rod body is avoided at the matching end of the connecting hole, and the reciprocating action impact effect in the process of inflation and deflation of the valve core rod body is further reduced.
As a further scheme: the valve core rod body comprises a cylindrical valve rod part and a step-shaped connecting table part, a valve cavity is formed by an opening in the middle of the valve rod part, a plurality of valve holes are uniformly formed in the bottom end of the valve cavity along the center of the valve rod in the outward circumferential direction, a protruding column is arranged at the bottom end of the connecting table part, and the front end of the valve core spring abuts against the end face of the protruding column in the connecting table part in a surrounding mode.
As a further scheme: the inner seal ring is characterized in that a double-layer circular-arc ring surface is arranged on the inner side end face of the inner seal ring, the protruding end part of the circular-arc ring surface is in interference fit with the matching end of the valve core rod body, and the double-layer circular-arc ring surface is arranged, so that certain deformation space allowance can be achieved when positive and negative impact is received, and the damage of the inner seal ring caused by stress reduction in.
As a further scheme: the connecting hole is set to be a step connecting hole, the diameter of the upper end part of the connecting hole is larger than that of the lower end part of the connecting hole, the connecting hole is set to be in a step hole state, and the upper end part of the connecting hole is prevented from being directly attached and butted with the valve core rod body.
As a further scheme: and the upper end of the sealing block is provided with a limiting ring groove which can be matched with an inner cavity of the quick connector for limiting.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the product is through improving the outside sealed external member of the case body of rod on prior art basis, and the setting is realized sealed protection to the case body of rod by sealed piece, inner seal circle and the combination of sealed pad collocation, and wherein inner seal circle and sealed direct butt joint case body of rod tip of filling up form sealedly, have effectively reduced the case body of rod and have directly impacted the effect to the sealed piece that is in upper portion, have slowed down sealed piece deformation failure time, and the cost has been saved extremely low to the change cost that the inner seal circle produced the inefficacy.
Drawings
Fig. 1 is a schematic perspective view of a sealing valve element of the self-locking quick coupling according to the present invention.
Fig. 2 is an illustration of an explosion structure of the embodiment of the sealing valve core of the self-locking quick coupling of the present invention.
Fig. 3 is a schematic perspective view of the sealing block of the present invention.
Fig. 4 is a schematic view of a three-dimensional structure of the valve core rod body of the present invention.
Fig. 5 is a schematic sectional structure view of the inner seal ring of the present invention.
In fig. 1 to 5: the valve core comprises a valve core rod body 1, a valve core spring 2, a sealing block 3, a sealing gasket 4, an inner sealing ring 5, a valve rod part 11, a connecting table part 12, a protruding column 13, a valve cavity 14, a valve hole 15, a sealing groove 31, a connecting hole 32, a limiting ring groove 33 and a double-layer arc ring surface 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the embodiment of the present invention: a sealing valve core of a self-locking quick connector comprises a valve core rod body 1 and a sealing sleeve part, wherein the valve core rod body 1 and the sealing sleeve part are arranged in an inner cavity of the quick connector in a matched mode, the sealing sleeve part is sleeved at the outer end of the valve core rod body, the outer end face of the sealing sleeve part is matched with the end face of the inner cavity of the quick connector, a valve core spring 3 is connected and arranged at the rear end of the valve core rod body 1, the terminal sealing sleeve part comprises a sealing block 3 and a sealing gasket 4 which are arranged up and down, the sealing block is vertically provided with a connecting hole 31 along the center, the upper end face of the sealing block is downwards provided with a sealing groove 32 which is coaxial with the center of the sealing block, an inner sealing ring 5 is arranged in the sealing groove in a matched mode, the inner side face of the inner sealing ring is matched, the valve core rod body is provided with a valve cavity 14 through an opening at the middle part of the valve rod body, four valve holes 15 are uniformly formed at the bottom end of the valve cavity along the outward circumferential direction of the center of the valve rod, a raised column 13 is arranged at the bottom end of a connecting platform, the front end of a valve core spring 3 is abutted against the end surface of the raised column in a surrounding manner, the valve cavity 14 is abutted against the end part of a central body air hole of a quick connector, the valve holes 15 exhaust air, a sealing gasket 4 and an inner sealing ring 5 are both attached to the outer end of the valve rod part 11 in the valve core rod body 1, the sealing gasket 4 is arranged at the outer end part of the valve hole 15, the inner sealing ring 5 is arranged at the end part of the valve rod part 11, when the valve core rod body is pneumatically operated, the inner sealing ring 5 and the sealing gasket respectively form upper and lower part sealing, the sealing protection is realized on the valve core rod body through, the failure time of the sealing block 3 is slowed down, because the sealing block 3 is positioned at the end part which is directly butted with the main pivot body in the prior art, the impact of reciprocating action is easy to generate acting force on the sealing block made of rubber to form the influence of deformation, aging and failure, the sealing of the upper end part of the valve core rod body is realized by the inner sealing ring 5 at present, the end part of the inner sealing ring 5 is influenced mainly, the replacement cost of the inner sealing ring after the self failure is extremely low, and the maintenance cost can be greatly reduced, even if the inner sealing ring is in an aging deformation failure state, the combination of the sealing block and the sealing gasket can still maintain a certain sealing effect, the direct failure of the pneumatic tool is avoided, and the sealing block made of hard plastic has better physical strength performance, the friction loss between the rubber material and the valve core rod body is avoided at the matching end of the connecting hole, and the reciprocating action impact effect in the process of inflation and deflation of the valve core rod body is further reduced.
In addition, a double-layer circular arc ring surface 51 is arranged on the inner side end surface of the inner sealing ring in the embodiment, the protruding end part of the circular arc ring surface of the double-layer circular arc ring surface 51 is in interference fit with the matching end of the valve core rod body, and the double-layer circular arc ring surface is arranged, so that certain deformation space allowance can be achieved when positive and negative impact is received, and the damage of the inner sealing ring caused by stress reduction in the pneumatic process. In addition, the connecting hole 31 is set to be a step connecting hole, the diameter of the upper end of the connecting hole is larger than that of the lower end of the connecting hole, the connecting hole is set to be in a step hole state, the upper end of the connecting hole is prevented from being directly attached to and butted with the valve core rod body to reduce abrasion, in addition, gas flows out in a return stroke state of the valve core rod body, and the return stroke is prevented from being. In addition, the upper end of the sealing block is provided with a limiting ring groove 33 which can be matched with the inner cavity of the quick connector for limiting.
The principle of the utility model is that: the utility model discloses the product is through improving the outside sealed external member of the case body of rod on prior art basis, the setting is by sealed piece 3, the sealing washer 5 realizes sealed protection to the case body of rod 1 with sealed 4 collocation combinations that fill up, wherein the sealing washer 5 forms sealedly with sealed 4 direct butt joint case body of rod ends, has effectively reduced the case body of rod 1 and has directly impacted the effect to the sealed piece 3 that is in upper portion, has slowed down sealed 3 deformation failure times of piece, and the cost has been saved extremely low to the change cost that the sealing washer produced the inefficacy.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a self-locking quick-operation joint's sealed case, sets up in the case body of rod and the sealed external member of quick-operation joint inner chamber including the cooperation, the outer end of the body of rod is located to sealed external member cover, and outer terminal surface matches with quick-operation joint inner chamber terminal surface, the connection of case body of rod rear end is equipped with case spring, its characterized in that: the sealing sleeve piece comprises a sealing block and a sealing gasket which are arranged from top to bottom, the sealing block is vertically provided with a connecting hole along the center, the upper end face of the sealing block is downwards provided with a sealing groove coaxial with the center of the sealing block, an inner sealing ring is arranged in the sealing groove, and the inner end face of the inner sealing ring is matched with the end face of the valve core rod body.
2. The sealing valve core of the self-locking quick joint as claimed in claim 1, wherein: the sealing block is made of hard plastic.
3. The sealing valve core of the self-locking quick joint as claimed in claim 2, wherein: the valve core rod body comprises a cylindrical valve rod part and a step-shaped connecting table part, a valve cavity is formed by an opening in the middle of the valve rod part, a plurality of valve holes are uniformly formed in the bottom end of the valve cavity along the center of the valve rod in the outward circumferential direction, a protruding column is arranged at the bottom end of the connecting table part, and the front end of the valve core spring abuts against the end face of the protruding column in the connecting table part in a surrounding mode.
4. The sealing valve core of the self-locking quick joint according to any one of claims 1 to 3, characterized in that: the inner side end face of the inner sealing ring is provided with a double-layer circular arc ring surface, and the protruding end part of the circular arc ring surface is in interference fit with the matching end of the valve core rod body.
5. The sealing valve core of the self-locking quick joint according to any one of claims 1 to 3, characterized in that: the connecting hole is set to be a step connecting hole, and the diameter of the upper end part of the connecting hole is larger than that of the lower end part of the connecting hole.
6. The sealing valve core of the self-locking quick joint according to any one of claims 1 to 3, characterized in that: and the upper end of the sealing block is provided with a limiting ring groove which can be matched with an inner cavity of the quick connector for limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021480422.0U CN212691165U (en) | 2020-07-24 | 2020-07-24 | Sealing valve core of self-locking quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021480422.0U CN212691165U (en) | 2020-07-24 | 2020-07-24 | Sealing valve core of self-locking quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691165U true CN212691165U (en) | 2021-03-12 |
Family
ID=74899215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021480422.0U Active CN212691165U (en) | 2020-07-24 | 2020-07-24 | Sealing valve core of self-locking quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212691165U (en) |
-
2020
- 2020-07-24 CN CN202021480422.0U patent/CN212691165U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sealed valve core for a self-locking quick connector Effective date of registration: 20231123 Granted publication date: 20210312 Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd. Pledgor: Taizhou luqiaoziwei pneumatic tool factory Registration number: Y2023330002737 |