CN113819328B - Push type quick-change connector - Google Patents
Push type quick-change connector Download PDFInfo
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- CN113819328B CN113819328B CN202111080307.3A CN202111080307A CN113819328B CN 113819328 B CN113819328 B CN 113819328B CN 202111080307 A CN202111080307 A CN 202111080307A CN 113819328 B CN113819328 B CN 113819328B
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- sleeve
- head
- female head
- unlocking
- female
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of connectors, in particular to a push-type quick-change connector ， Comprises a female head and a male head, wherein the rear part of the female head is provided with a plurality of steel balls moving along the radial direction, the outer wall of the front part of the male head is provided with a locking groove, and the steel balls are blocked into the locking groove after the male head is inserted into the female headThe male head is connected with the female head, the front end of the male head is abutted against a sealing ring arranged in the female head to realize connection sealing, an unlocking sleeve which moves along the axial direction is arranged in the female head, an inner spring is arranged between the front end of the unlocking sleeve and the female head, the unlocking sleeve is pushed to move forwards to compress the inner spring after the male head is inserted, a locking sleeve which moves forwards and backwards along the axial direction is sleeved at the rear end of the female head, an outer spring is arranged between the front end of the locking sleeve and the female head, an unlocking groove is formed in the inner wall of the locking sleeve, the locking sleeve is pushed forwards, steel balls are blocked into the unlocking groove to realize connection unlocking of the male head and the female head, the inner spring pushes the unlocking sleeve to move backwards to enable the steel balls to be kept in the unlocking groove to enable the female head to be in an unlocking state, and the female head is connected and unlocking operation by one hand is realized.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a push-type quick-change connector.
Background
The quick connector comprises a hydraulic quick connector and various fluid quick connectors, and is a connecting device for quickly connecting or disconnecting pipelines and realizing quick disassembly. Because the quick connector has a two-way check function, the pipeline is disconnected without leakage, and therefore, the quick connector is widely applied to the fields of petroleum, metallurgy, hydropower, engineering machinery, ships, electromechanical equipment and the like. The quick connector connecting structure is the most important part of the quick connector, and the connection mode and the structure of the quick connector directly determine the convenience, the reliability and the product quality of the quick connector. The quick connector consists of a female part and a male part, the existing design is complex, both hands are required to operate, and the use is not convenient enough.
Disclosure of Invention
Aiming at the defects, the invention provides the push type quick-change connector, which realizes the operation of one-hand connection and unlocking, has reliable structure and convenient use.
The technical scheme adopted for solving the technical problems is as follows:
the push type quick-change connector comprises a female head and a male head, wherein a plurality of steel balls moving along the radial direction are arranged at the rear part of the female head, a locking groove is formed in the outer wall of the front part of the male head, the steel balls are clamped into the locking groove after the male head is inserted into the female head to realize connection locking of the male head and the female head, the front end of the male head is abutted against a sealing ring arranged in the female head to realize connection sealing, an unlocking sleeve moving along the axial direction is arranged in the female head, an inner spring is arranged between the front end of the unlocking sleeve and the female head, the male head is inserted into the female head to push the unlocking sleeve to move forward to compress the inner spring, a locking sleeve moving along the axial direction is sleeved at the rear end of the female head, an outer spring is arranged between the front end of the locking sleeve and the female head, an unlocking groove is arranged on the inner wall of the locking sleeve, the steel balls are clamped into the unlocking groove to realize connection unlocking of the male head and the female head, and the unlocking sleeve is pushed by the inner spring to move the unlocking sleeve backwards to enable the steel balls to be kept in the unlocking groove to be in an unlocking state.
Further, female head include female head body, cover establish at the outside female headgear of female head body rear end, cover establish at the outside overcoat of female headgear, female head body front end external diameter is less than female headgear internal diameter, unlocking sleeve and female headgear inner wall sliding fit, female head body rear end outer peripheral face and female headgear inner wall between form the spring groove that holds the inner spring, female headgear rear portion is equipped with the steel ball groove of a plurality of cooperation steel balls, female headgear rear end thickness is less than the steel ball external diameter, a plurality of steel ball grooves along circumference evenly distributed, locking sleeve and the outside sliding fit of female headgear rear end, locking sleeve outer wall and overcoat inner wall sliding fit, outer spring cover establish at female headgear rear end outside.
Further, the outer wall of the unlocking sleeve is provided with a convex shoulder, the rear end of the inner spring is abutted against the front end of the convex shoulder, a convex shoulder groove in sliding fit with the convex shoulder is arranged in the female head body, the rear end wall of the convex shoulder groove is abutted against the convex shoulder to limit the rear travel of the unlocking sleeve, and after unlocking, the locking sleeve body limits the radial position of the steel balls.
Further, the front part of the male head is in a step shape, the front part of the male head comprises a first step and a second step at the rear side of the first step, the locking groove is formed in the second step, the outer diameter of the first step is not larger than the inner diameter of the unlocking sleeve, the step surface between the first step and the second step is in contact with the rear end of the unlocking sleeve to push the unlocking sleeve to move forwards, and the locking groove is formed in the second step.
Furthermore, the unlocking groove and the locking groove are matched with the steel ball structure.
Further, female head body rear portion include with overcoat complex first mating portion, the second mating portion of first mating portion rear side, the third mating portion of second mating portion rear side, first mating portion external diameter is greater than second mating portion, second mating portion external diameter is greater than third mating portion, outer spring housing establish in second mating portion department, locking cover and third mating portion outer wall sliding fit, the step face conflict between locking cover front end and second mating portion, third mating component realizes that the locking cover moves forward spacingly.
Furthermore, the front end face of the male head is a conical surface, an inner conical surface matched with the rear part of the front end face of the male head is arranged at the joint of the female head and the front end face of the male head, the sealing ring is arranged at the front side of the inner conical surface, and an embedded groove matched with the sealing ring is arranged in the female head. After the male head and the female head are connected and locked, the front part of the front end face of the male head is abutted against and presses the sealing ring to realize connection sealing.
Further, the female head sleeve is in threaded fit with the female head body, and the outer sleeve is in threaded fit with the female head sleeve.
Furthermore, the axes of the female head and the male head are provided with penetrating inner channels with the same inner diameter.
The beneficial effects of the invention are as follows: by adopting the scheme, the device adopts the technical proposal,
simple structure, exquisite, realized single hand quick connect and unblock operation, the convenience is good, connects the locking back, and the locking is reliable, for current joint, this quick-operation joint's performance is showing the reinforcing, in addition, this joint's structure still is convenient for assemble, and production efficiency is high, has wide application prospect.
Drawings
The foregoing and other objects, features, and advantages of the invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic cross-sectional view of a female and male connector according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a female and male connection according to an embodiment of the present invention.
Wherein: 1 is a female head, 11 is a female head body, 12 is a female head sleeve, 13 is an outer sleeve, 2 is a male head, 21 is a first step, 22 is a second step, 3 is a steel ball, 4 is an unlocking sleeve, 5 is an inner spring, 6 is a sealing ring, 7 is a locking sleeve, 8 is an outer spring, 121 is a first matching part, 122 is a second matching part, 123 is a third matching part, 201 is a locking groove, and 701 is an unlocking groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the push type quick-change connector comprises a female head 1 and a male head 2, wherein the axle center of the female head 1 and the male head 2 is provided with a penetrating inner hole with the same inner diameter for fluid circulation after connection, in the embodiment, the female head side is used as the front direction, the male head side is used as the rear square, the rear end of the male head 2 is of a bamboo joint structure and is used for being connected with a pipeline, the rear part of the female head 1 is provided with a plurality of steel balls 3 which are uniformly distributed along the circumferential direction, the steel balls 3 can move in the radial direction, and the outer wall of the front part of the male head 2 is provided with a locking groove 201.
Connection operation: the male head 2 is held by one hand, the male head 2 is inserted into the rear part of the female head 1, and after the steel balls 3 are clamped into the locking grooves 201, the connection locking of the male head 2 and the female head 1 can be realized, so that the male head 2 and the female head 1 can be reliably connected.
An unlocking sleeve 4 which moves along the axial direction is arranged in the female head 1, an inner spring 5 is arranged between the front end of the unlocking sleeve 4 and the female head 1, the unlocking sleeve 4 is pushed to move forwards to compress the inner spring 5 after the male head 2 is inserted, the inner spring 5 accumulates potential, the inner spring 5 always applies a backward force to the unlocking sleeve 4, the unlocking sleeve 4 has a backward force to the male head 2, the male head 2 keeps a backward movement trend, a locking sleeve 7 which can move forwards and backwards along the axial direction is sleeved outside the rear end of the female head 1, an outer spring 8 is arranged between the front end of the locking sleeve 7 and the female head 1, an unlocking groove 701 which is matched with the steel ball 3 in structure is arranged on the inner wall of the locking sleeve 7, after the male head 2 is connected with the female head 1, the locking sleeve 7 is positioned at the rear side of the female head 1 under the action of the outer spring 8, the front part sleeve body of the locking sleeve 7 is positioned at the rear side of the female head 1, the front part sleeve inner wall of the locking sleeve 7 is tightly stuck at the rear end outer wall of the female head 1, the steel ball 3 is kept in the locking groove 201, and the effective locking state is kept.
Unlocking operation: when the unlocking groove 701 moves to the steel ball 3, the male head 3 extrudes the steel ball 3 to move into the unlocking groove 701 along the radial direction due to the action of the inner spring 5, and the male head 2 and the female head 1 realize unlocking, so that the male head 2 can smoothly deviate from the female head 1, meanwhile, the inner spring 5 enables the unlocking sleeve 4 to synchronously move backwards, the sleeve body of the unlocking sleeve 4 after the backward movement is attached to the inner wall of the front end of the female head, the front sleeve body of the unlocking sleeve 4 limits the steel ball 3 to move inwards along the radial direction, the female head keeps the unlocking state, when the male head 2 is connected again, the unlocking sleeve 4 is pushed to move forwards, the steel ball 3 moves into the locking groove 201 along the radial direction, the outer spring 8 acts on the locking sleeve 7, the front sleeve body of the locking sleeve 7 limits the outer movement along the radial direction again, and the quick and convenient connection and unlocking can be realized by a single hand.
Specifically, the female head 1 comprises a female head body 11, a female head sleeve 12 sleeved outside the front end of the female head body 11, a jacket 13 sleeved outside the female head sleeve 12, the outer diameter of the front end of the female head body 11 is smaller than the inner diameter of the female head sleeve 12,
the female head sleeve 12 is in threaded fit with the front end of the female head body 11, the outer sleeve 13 is in threaded fit with the front outer part of the female head sleeve 12, the rear end of the female head body 11 is provided with a sealing part, the outer diameter of the sealing part is smaller than the inner diameter of the female head sleeve 12, the inner spring 5 is sleeved at the sealing part, a spring groove for accommodating the inner spring 5 is formed between the outer peripheral surface of the sealing part and the inner wall of the female head sleeve 12, the rear end surface of the sealing part 11 is an inner conical surface, the front end surface of the male head 2 is a conical surface, the front side of the inner conical surface of the front end of the sealing part 11 is embedded with a sealing ring 6, correspondingly, an embedded groove for accommodating the sealing ring 6 is formed in the front half part of the conical surface of the front end of the male head 2 is abutted against and extruded with the sealing ring 6 after the male head 2 is connected and locked, and the rear half part of the front end conical surface of the male head 2 is matched with the inner conical surface of the sealing part 11 to form conical surface sealing, so that the connection tightness is effectively ensured.
The front portion of public head 2 is the step form, the front portion of public head 2 includes first step 21, the second step 22 of first step 21 rear side, during the connection, first step 21, second step 22 inserts female head 1, locking groove 201 sets up in second step 22 department, the inner wall of release sleeve 4 and the outer wall sliding fit of first step 21, the external diameter of first step 21 is unanimous with the internal diameter of release sleeve 4, the step face between first step 21 and second step 22 is contradicted the rear end of release sleeve 4, promote release sleeve 4 forward movement, after public head 1 is locked, the front end of release sleeve 4 is contradicted with the outer edge mouth of sealing part front end face just, this department has the effect of axial spacing, can avoid public head press-in volume too big, thereby realize locking at the first time, locking efficiency is high.
The unlocking sleeve 4 is in sliding fit with the inner wall of the mother sleeve 12, a plurality of steel ball grooves matched with steel balls are formed in the front portion of the mother sleeve 12, the thickness of the front end of the mother sleeve 12 is smaller than the outer diameter of the steel balls 3, the plurality of steel ball grooves 1201 are uniformly distributed along the circumferential direction, the locking force communicated with each other in the circumferential direction is kept, the connection and locking precision is improved, a shoulder 51 is arranged on the outer wall of the unlocking sleeve 4, the rear end of the inner spring 5 is abutted against the front end of the shoulder 51, a shoulder groove 121 in sliding fit with the shoulder 51 is formed in the inner wall of the mother sleeve 12, the rear end wall of the shoulder groove 121 limits the backward movement stroke of the unlocking sleeve 4, the unlocking sleeve 4 is kept in the mother head 2, and after unlocking, the rear end of the unlocking sleeve 4 is located in the mother head 1 and the radial position of the steel balls 3 can be effectively limited.
The rear part of the female head body 12 comprises a first matching part 121 matched with the outer sleeve 13, a second matching part 122 at the rear side of the first matching part 121 and a third matching part 123 at the rear side of the second matching part 122, the outer diameter of the first matching part 121 is larger than that of the second matching part 122, the outer diameter of the second matching part 122 is larger than that of the third matching part 123, the outer spring 8 is sleeved at the second matching part 122, the first matching part 121 is in threaded fit with the outer sleeve 13, the outer sleeve 13 is used for accommodating the inner spring 8 and the locking sleeve 7, the locking sleeve 7 is sleeved at the third matching part 123 and is in sliding fit with the outer wall of the third matching part 123, the outer wall of the locking sleeve 7 is in sliding fit with the inner wall of the outer sleeve 13, the front end of the locking sleeve 7 is in interference with the step surface between the second matching part 122 and the third matching part 123, and in unlocking operation, when the front end of the locking sleeve 7 is in interference with the step surface between the second matching part 122 and the third matching part 123, the unlocking position of the unlocking groove is just corresponding to the steel ball 3, and unlocking is achieved.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present invention falls within the scope of the present invention.
Claims (6)
1. Push type quick change joint, including female head, public head, its characterized in that: the rear part of the female head is provided with a plurality of steel balls moving along the radial direction, the outer wall of the front part of the male head is provided with a locking groove, the steel balls are clamped into the locking groove after the male head is inserted into the female head to realize the connection locking of the male head and the female head, the front end of the male head is abutted against a sealing ring arranged in the female head to realize the connection sealing, an unlocking sleeve moving along the axial direction is arranged in the female head, an inner spring is arranged between the front end of the unlocking sleeve and the female head, the front end of the male head is pushed to move forwards to compress the inner spring after the male head is inserted, the rear end of the female head is sleeved with a locking sleeve moving forwards along the axial direction, an outer spring is arranged between the front end of the locking sleeve and the female head, the inner wall of the locking sleeve is provided with an unlocking groove, the steel balls are clamped into the unlocking groove to realize the connection unlocking of the male head and the female head, and the inner spring pushes the unlocking sleeve to move backwards to keep the steel balls in the unlocking groove to keep the unlocking state;
connection operation: the male head is held by a single hand, the male head is inserted into the rear part of the female head, and after the steel balls are clamped into the locking grooves, the connection locking of the male head and the female head can be realized, so that the male head and the female head can be reliably connected;
unlocking operation: when the unlocking groove moves to the steel ball, the male head extrudes the steel ball to move into the unlocking groove along the radial direction due to the action of the inner spring, so that the male head and the female head are unlocked, the male head can be smoothly separated from the female head, meanwhile, the inner spring enables the unlocking sleeve to synchronously move backwards, the sleeve body of the unlocking sleeve after the backward movement is attached to the inner wall of the front end of the female head, and the front sleeve body of the unlocking sleeve limits the steel ball to move inwards along the radial direction, so that the female head is kept in an unlocking state;
the female head comprises a female head body, a female head sleeve sleeved outside the rear end of the female head body, and a jacket sleeved outside the female head sleeve, wherein the outer diameter of the front end of the female head body is smaller than the inner diameter of the female head sleeve, the unlocking sleeve is in sliding fit with the inner wall of the female head sleeve, a spring groove for accommodating an inner spring is formed between the outer peripheral surface of the rear end of the female head body and the inner wall of the female head sleeve, a plurality of steel ball grooves for accommodating steel balls are formed in the rear part of the female head sleeve, the thickness of the rear end of the female head sleeve is smaller than the outer diameter of the steel balls, the plurality of steel ball grooves are uniformly distributed along the circumferential direction, the locking sleeve is in sliding fit with the rear end of the female head sleeve, the outer wall of the locking sleeve is in sliding fit with the inner wall of the jacket, and the outer spring is sleeved outside the rear end of the female head sleeve;
the outer wall of the unlocking sleeve is provided with a convex shoulder, the rear end of the inner spring is abutted against the front end of the convex shoulder, a convex shoulder groove in sliding fit with the convex shoulder is arranged in the female head body, the rear end wall of the convex shoulder groove is abutted against the convex shoulder to limit the backward travel of the unlocking sleeve, and the radial position of the steel balls is limited by the locking sleeve body after unlocking;
the front part of the male head is in a step shape, the front part of the male head comprises a first step and a second step at the rear side of the first step, the locking groove is formed in the second step, the outer diameter of the first step is not larger than the inner diameter of the unlocking sleeve, the step surface between the first step and the second step is in contact with the rear end of the unlocking sleeve to push the unlocking sleeve to move forwards, and the locking groove is formed in the second step.
2. The push-to-quick connector of claim 1, wherein: the unlocking groove and the locking groove are matched with the steel ball structure.
3. The push-to-quick connector of claim 1, wherein: the female head body rear portion include with overcoat complex first cooperation portion, the second cooperation portion of first cooperation portion rear side, the third cooperation portion of second cooperation portion rear side, first cooperation portion external diameter is greater than second cooperation portion, second cooperation portion external diameter is greater than third cooperation portion, outer spring housing establish in second cooperation portion department, locking cover and third cooperation portion outer wall sliding fit, the step face conflict between locking cover front end and second cooperation portion, third cooperation part realizes that the locking cover moves forward spacingly.
4. The push-to-quick connector of claim 1, wherein: the front end face of the male head is a conical surface, an inner conical surface matched with the rear part of the front end face of the male head is arranged at the joint of the female head and the front end face of the male head, the sealing ring is arranged at the front side of the inner conical surface, and an embedded groove matched with the sealing ring is arranged in the female head; after the male head and the female head are connected and locked, the front part of the front end face of the male head is abutted against and presses the sealing ring to realize connection sealing.
5. A push-on quick connector as defined in claim 3, wherein: the female head sleeve is in threaded fit with the female head body, and the outer sleeve is in threaded fit with the female head sleeve.
6. The push-to-quick connector of claim 1, wherein: the axes of the female head and the male head are provided with penetrating inner channels with the same inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080307.3A CN113819328B (en) | 2021-09-15 | 2021-09-15 | Push type quick-change connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080307.3A CN113819328B (en) | 2021-09-15 | 2021-09-15 | Push type quick-change connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113819328A CN113819328A (en) | 2021-12-21 |
| CN113819328B true CN113819328B (en) | 2023-06-16 |
Family
ID=78922565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111080307.3A Active CN113819328B (en) | 2021-09-15 | 2021-09-15 | Push type quick-change connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113819328B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509695A (en) * | 1995-06-01 | 1996-04-23 | Pilot Industries, Inc. | Precocked quick connect fluid coupling having a v-shaped holding ring |
| CN201155643Y (en) * | 2007-05-21 | 2008-11-26 | 董超华 | Self locking fast joint |
| CN108879209A (en) * | 2017-09-05 | 2018-11-23 | 武汉市联华飞创科技有限公司 | A kind of fast-insertion self-locking RF connector |
| CN207796357U (en) * | 2017-12-21 | 2018-08-31 | 武汉钢铁有限公司 | A kind of double medium conveying quick couplings |
| CN208417892U (en) * | 2018-07-05 | 2019-01-22 | 东莞市冠腾气动液压配件有限公司 | A kind of quick special joint of logical ammonia, ammonium hydroxide |
| CN111048947A (en) * | 2019-11-25 | 2020-04-21 | 昆山先特电子科技有限公司 | Push-pull type self-locking connector |
-
2021
- 2021-09-15 CN CN202111080307.3A patent/CN113819328B/en active Active
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| Publication number | Publication date |
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| CN113819328A (en) | 2021-12-21 |
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