Universal quick-change connector structure

Abstract

The utility model provides a universal quick-change connector structure, which relates to the technical field of quick-change connectors and comprises a female connector. An inward concave step section is arranged on the outer peripheral wall of the left part of the female joint along the circumferential direction; a locking chute is formed in the peripheral wall of the step section; the groove bottom of the locking chute is communicated with the inner cavity of the female joint; a locking rod is inserted into an opening of the locking chute in a sliding manner; the step section is sleeved with an elastic reset assembly, the right end of the elastic reset assembly abuts against the step face of the step section, the left end of the elastic reset assembly abuts against the two ends of the lock rod, and the lock rod abuts against the interior of the locking inclined groove through the elastic reset assembly. The left portion of the female connector is axially and slidably sleeved with a lock sleeve, and the lock sleeve is axially limited through a limiting part arranged on the female connector. The utility model has the advantages that the structure can realize locking and unlocking control on the lock rod through the axial movement of the lock sleeve, and the butt joint operation can be carried out by only one hand, so that the butt joint convenience and the butt joint efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quick-change joints, in particular to a universal quick-change joint structure. Background Art

[0002] As a common industrial product accessory, quick-change connectors are widely used in machinery manufacturing, construction, metallurgy, chemical industry and other fields because they generally do not require the use of tools to quickly and conveniently connect and separate pipe connectors. In addition, they have good sealing and interchangeability.

[0003] The existing quick connector includes a male connector and a female connector, and the male connector and the female connector are locked and connected by a locking mechanism. The existing locking mechanism usually uses locking methods such as thread locking, bayonet locking, and steel ball locking. When the quick connector using the above locking methods is locked and connected, it must be docked with both hands, and cannot be directly operated with one hand. The docking efficiency is low, which affects the overall user experience. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing quick-change connectors require two-handed docking operations, and the operating efficiency is low. In order to overcome the defects of the above-mentioned prior art, the utility model provides a method of axially moving the lock sleeve by one hand, and with the cooperation of the elastic reset component, the locking rod can be locked and unlocked, thereby realizing quick disassembly and assembly with one hand, improving convenience and docking efficiency, and achieving the effect of improving the overall user experience.

[0005] For the purpose of this utility model, the following technical solutions are adopted:

[0006] A universal quick-change connector structure, comprising a tubular female connector; an inwardly recessed step is circumferentially arranged on the outer peripheral wall of the left part of the female connector; a locking bevel is arranged on the outer peripheral wall of the step, and the locking bevel is inclined from right to left from outside to inside; the bottom of the locking bevel is connected to the inner cavity of the female connector; a locking rod is slidably inserted into the opening of the locking bevel, and the middle part of the locking rod is exposed in the inner cavity of the female connector, and both ends of the locking rod are exposed outside the locking bevel; an elastic reset component is sleeved on the step, and the elastic reset component is The right end of the elastic reset component is against the step surface of the stage, and the left end of the elastic reset component is against the two ends of the locking rod, and the locking rod is pressed against the locking bevel groove through the elastic reset component; the left axial sliding sleeve of the female joint is provided with a locking sleeve, and the locking sleeve is axially limited by the limiting part provided on the female joint; an unlocking convex ring protruding inward is circumferentially provided on the inner circumferential wall of the locking sleeve; when locking, the unlocking convex ring is pressed against the limiting part by the locking rod; when unlocking, the unlocking convex ring is pressed against the locking rod to the right, and the locking rod is driven away from the locking bevel groove. This structure can realize the locking and unlocking control of the locking rod through the axial movement of the locking sleeve. Under normal conditions, the locking rod can be pressed against the locking rod by the elastic reset component to ensure that the locking rod is always in the locking bevel groove to achieve locking. When unlocking, only one hand is needed to push the locking sleeve to move, and the locking rod can be rolled out along the locking bevel groove, thereby reaching the unlocking state, improving the convenience and efficiency of docking.

[0007] Preferably, the elastic reset assembly includes a reset spring and an annular spring seat; the reset spring and the annular spring seat are respectively sleeved on the stage, one end of the reset spring is against the step surface of the stage, the other end of the reset spring is against one side of the annular spring seat, the other side of the annular spring seat is against the lock rod, and the lock rod is pressed against the locking bevel groove. The reset spring can provide a force to ensure that the lock rod is always pressed against the locking bevel groove without external force, and it is also convenient to push the lock sleeve to unlock the lock rod, and then release the lock sleeve to move the lock sleeve to its original position through the reset spring.

[0008] Preferably, the limiting part is a retaining spring, and an annular retaining groove is provided on the stage in the circumferential direction; the retaining spring is sleeved on the annular retaining groove; when locked, the left side of the unlocking convex ring abuts against the right side of the retaining spring. The limiting part is used in the form of a retaining spring to facilitate the locking sleeve to be limited, so that it always abuts against the retaining spring under the action of the elastic reset component, thereby ensuring that the locking rod is always locked in the locking inclined groove without being subjected to external force.

[0009] Preferably, it also includes a male connector; the left part of the female connector and the right part of the male connector are plugged in and matched; an annular boss is circumferentially arranged on the outer peripheral wall of the right part of the male connector; the annular boss is used to push the locking rod when the female connector is inserted; a locking ring groove is circumferentially arranged on the outer peripheral wall of the right part of the male connector and located on the left side of the annular boss, and the locking ring groove is radially recessed inward; when locked, the middle part of the locking rod extends into the locking ring groove. The male connector cooperates with the female connector, and the annular boss facilitates the insertion of the male connector into the female connector, so that the locking rod can be pushed upward, and the annular boss exceeds the locking rod and then returns to its original position under the action of the elastic reset assembly, so that the locking rod falls into the locking ring groove, so that the male connector and the female connector can be locked and matched, and the operation is convenient, and only needs to be docked and inserted, and no other operations are required, which greatly improves the docking efficiency.

[0010] Preferably, a locking push inclined surface cooperating with the locking rod is provided on the right peripheral wall of the annular boss along the circumferential direction; the locking push inclined surface is inclined from left to right from outside to inside. The locking push inclined surface can further facilitate lifting the locking rod to unlock during connection, thereby facilitating the insertion of the annular boss.

[0011] Preferably, an unlocking push inclined surface cooperating with the locking rod is provided on the left peripheral wall of the annular boss along the circumferential direction; the unlocking push inclined surface is inclined from right to left from outside to inside. The unlocking push inclined surface facilitates lifting the locking rod after the lock sleeve is unlocked, so as to facilitate the annular boss to slide out.

[0012] Preferably, a male connector valve core assembly is elastically connected inside the male connector; a female connector valve core assembly is elastically connected inside the female connector; when connected, the male connector valve core assembly abuts against the female connector valve core assembly to achieve communication between the male connector and the female connector.

[0013] Preferably, the number of the locking bevel grooves is two, and the two locking bevel grooves are symmetrically arranged on both sides of the female connector. The above structure further improves the connection stability and convenience.

[0014] To sum up, the advantage of the utility model is that the structure can realize the locking and unlocking control of the locking rod through the axial movement of the locking sleeve. Under normal conditions, the locking rod is always pressed against the locking rod by the elastic reset component, which can ensure that the locking rod is always in the locking bevel groove to achieve locking; when connecting, the male connector can be directly inserted, so that the annular boss pushes the locking rod open and falls into the locking ring groove, and no other operations are required; when unlocking, only one hand is needed to push the locking sleeve to move, so that the locking rod can be rolled out along the locking bevel groove, thereby reaching the unlocked state, and the male connector can be directly taken out. The operation is convenient and quick, which greatly improves the convenience and efficiency of docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a structural schematic diagram of the universal quick-change joint structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the female connector (without locking sleeve) of the utility model.

[0017] Figure 3 It is a cross-sectional structural diagram of the female connector of the utility model.

[0018] Figure 4 It is a cross-sectional structural diagram of the male connector of the utility model.

[0019] Description of reference numerals:

[0020] 1. Female connector; 10. Step; 101. Step surface; 102. Annular groove; 11. Locking bevel groove; 13. Locking rod; 14. Female connector valve core assembly; 2. Male connector; 21. Annular boss; 211. Locking push bevel; 212. Unlocking push bevel; 22. Locking ring groove; 23. Male connector valve core assembly; 3. Locking sleeve; 30. Limiting portion; 31. Unlocking convex ring; 4. Accommodating chamber; 5. Elastic reset assembly; 51. Reset spring; 52. Annular spring seat. DETAILED DESCRIPTION

[0021] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0022] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0023] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figures 1 to 4 As shown, a universal quick-change connector structure comprises a female connector 1 and a male connector 2; the left part of the female connector 1 and the right part of the male connector 2 are plugged together; a radially inwardly recessed step 10 is circumferentially arranged on the outer peripheral wall of the left part of the female connector 1; two locking bevels 11 are symmetrically arranged on the outer peripheral wall of the step 10, and the locking bevels 11 are inclined from right to left from outside to inside, and the bottom of the locking bevel 11 is connected with the inner cavity of the female connector 1; a locking rod 13 is slidably inserted into the opening of the locking bevel 11, and the middle part of the locking rod 13 is exposed in the inner cavity of the female connector 1, and both ends of the locking rod 13 are exposed outside the locking bevel 11; thereby, it can cooperate with the male connector 2 for locking; the locking effect and connection stability can be further improved through the symmetrical structure of the two locking rods 13. The stage 10 is sleeved with an elastic reset assembly 5, the right end of the elastic reset assembly 5 abuts against the step surface 101 of the stage 10, the left end of the elastic reset assembly 5 abuts against the two ends of the lock rod 13, and the lock rod 13 is pressed into the locking bevel 11 through the elastic reset assembly 5. The left axial sliding sleeve of the female connector 1 is provided with a lock sleeve 3, and the lock sleeve 3 is axially limited by the limiting portion 30 provided on the female connector 1; it can ensure that the lock sleeve 3 moves, and at the same time, it can limit the lock sleeve 3 to prevent the lock sleeve 3 from moving axially at will. The lock sleeve 3 wraps the stage 10 inside, and the inner circumferential wall of the lock sleeve 3 is circumferentially provided with an unlocking convex ring 31 protruding inwardly; when locking, the unlocking convex ring 31 is abutted against the limiting portion 30 through the lock rod 13; when unlocking, the unlocking convex ring 31 is pressed to the right against the lock rod 13, and drives the lock rod 13 away from the locking bevel 11. The stage 10 and the unlocking convex ring 31 provide installation space, which facilitates the installation of the elastic reset component 5, and the axial cooperation between the elastic reset component 5, the locking rod 13 and the locking sleeve 3, thereby facilitating the control of locking and unlocking the locking rod 13. This structure can realize the locking and unlocking control of the locking rod 13 through the axial movement of the locking sleeve 3. Under normal conditions, the elastic reset component 5 pushes the locking rod 13 to ensure that the locking rod 13 is always in the locking bevel groove 11 to achieve locking. When unlocking, only one hand is needed to push the locking sleeve 3 to move, and the locking rod 13 can be rolled out along the locking bevel groove 11, thereby reaching the unlocked state, improving the convenience and efficiency of docking.

[0026] Figures 1 to 3As shown, the elastic reset assembly 5 includes a reset spring 51 and an annular spring seat 52; the reset spring 51 and the annular spring seat 52 are respectively sleeved on the stage 10, the right end of the reset spring 51 abuts against the step surface 101 of the stage 10, the left end of the reset spring 51 abuts against the right side of the annular spring seat 52, and the left side of the annular spring seat 52 abuts against the portion of the lock rod 13 that exceeds the locking bevel 11. The reset spring 51 can provide a force to ensure that the lock rod 13 is always pressed against the locking bevel 11 without external force, and it is also convenient to push the lock sleeve 3 to unlock the lock rod 13, and then release the lock sleeve 3 to move the lock sleeve 3 to its original position through the reset spring 51.

[0027] Figures 1 to 3 As shown, the limiting part 30 is a circumferential spring, and an annular groove 102 is provided on the stage 10 in the circumferential direction; the circumferential spring is sleeved on the annular groove 102; when locked, the unlocking convex ring 31 abuts between the circumferential spring and the locking rod 13. The limiting part 30 is conveniently used in the form of a circumferential spring to limit the lock sleeve 3, so that it always abuts on the circumferential spring under the action of the elastic reset component 5, thereby ensuring that the locking rod 13 is always locked in the locking inclined groove 11 without external force.

[0028] Figure 1 and Figure 4 As shown, an annular boss 21 is circumferentially arranged on the outer peripheral wall of the right part of the male connector 2; the annular boss 21 is used to push the locking rod 13 when inserting the female connector 1; a locking ring groove 22 is circumferentially arranged on the outer peripheral wall of the right part of the male connector 2 and located on the left side of the annular boss 21, and the locking ring groove 22 is radially recessed inward; when locked, the radial bottom of the locking rod 13 extends into the locking ring groove 22. Through the cooperation between the male connector 2 and the female connector 1, the annular boss 21 facilitates the insertion of the male connector 2 into the female connector 1, and the locking rod 13 can be pushed upward, and the annular boss 21 exceeds the locking rod 13 and then returns to its original position under the action of the elastic reset component 5, so that the locking rod 13 falls into the locking ring groove 22, so that the male connector 2 and the female connector 1 are locked and matched, and the operation is convenient, and only docking and insertion are required, and no other operations are required, which greatly improves the docking efficiency. A locking push-up inclined surface 211 cooperating with the locking rod 13 is provided on the right peripheral wall of the annular boss 21 in the circumferential direction; the locking push-up inclined surface 211 is inclined from left to right from outside to inside. The locking push-up inclined surface 211 can further facilitate the lifting of the locking rod 13 to unlock during connection, thereby facilitating the insertion of the annular boss 21. An unlocking push-up inclined surface 212 cooperating with the locking rod 13 is provided on the left peripheral wall of the annular boss 21 in the circumferential direction; the unlocking push-up inclined surface 212 is inclined from right to left from outside to inside. The unlocking push-up inclined surface 212 facilitates the lifting of the locking rod 13 after the lock sleeve 3 is unlocked, so that the annular boss 21 can slide out conveniently.

[0029] like Figure 1As shown, a male connector valve core assembly 23 is elastically connected to the male connector 2; a female connector valve core assembly 14 is elastically connected to the female connector 1; the male connector valve core assembly 23 and the female connector valve core assembly 14 are both conventional matching structures, and will not be described in detail here. When connected, the male connector valve core assembly 23 and the female connector valve core assembly 14 are abutted against each other, so that the male connector 2 and the female connector 1 are connected.

[0030] like Figure 1 As shown, when the structure is docked, the male connector 2 is directly docked and inserted into the female connector 1, and the locking push inclined surface 211 on the annular boss 21 on the male connector 2 is pressed against the locking rod 13, so that the locking rod 13 moves upward along the locking push inclined surface 211, so that the locking rod 13 is pushed upward along the locking inclined groove 11, and then the annular boss 21 is gradually pushed to the right, until the annular boss 21 exceeds the locking rod 13 to the right, and the locking rod is pressed against the annular spring seat 52 by the leftward force of the return spring 51, The annular spring seat 52 is used to press against the locking rod 13, so that the locking rod 13 falls obliquely downward to the radial lowest point of the locking oblique groove 11, and the locking rod 13 is located in the inner cavity of the female connector 1 and falls into the locking ring groove 22, so that the locking rod 13 is pressed against the left side of the annular boss 21, and the locking rod 13 is in a locked state to prevent the male connector 2 from being pulled out to the left, and finally the fixed docking of the male connector 2 and the female connector 1 is achieved. There is no need to rotate or align, and it can be directly inserted. The operation is convenient and quick, which greatly improves the convenience and efficiency of docking.

[0031] like Figure 1 When the locking sleeve 3 is in the state of being loosened, the locking sleeve 3 is released, and the locking sleeve 3 is pressed against the protruding parts of the locking rod 13 at both ends, so that the locking rod 13 is pushed out obliquely along the locking inclined groove 11. When the locking sleeve 3 is in the state of being loosened, the locking rod 13 is pushed out obliquely along the locking inclined groove 11.

[0032] In the description of the embodiments of the present application, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description, and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0033] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0034] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A universal quick-change joint structure, characterized in that: The invention comprises a tubular female connector (1); an inwardly recessed step (10) is arranged on the outer peripheral wall of the left part of the female connector (1) along the circumferential direction; a locking bevel groove (11) is arranged on the outer peripheral wall of the step (10), and the locking bevel groove (11) is inclined from the outside to the inside and from the right to the left; the bottom of the locking bevel groove (11) is connected to the inner cavity of the female connector (1); a locking rod (13) is slidably inserted into the opening of the locking bevel groove (11), and the middle part of the locking rod (13) is exposed in the inner cavity of the female connector (1), and both ends of the locking rod (13) are exposed outside the locking bevel groove (11); an elastic reset component (5) is sleeved on the step (10), and the right end of the elastic reset component (5) abuts against the step (11). On the step surface (101) of the female connector (10), the left end of the elastic reset component (5) abuts against the two ends of the locking rod (13), and the locking rod (13) is pressed against the locking bevel groove (11) through the elastic reset component (5); the left axial sliding sleeve of the female connector (1) is provided with a locking sleeve (3), and the locking sleeve (3) is axially limited by a limiting portion (30) provided on the female connector (1); an unlocking convex ring (31) protruding inwardly is circumferentially provided on the inner circumferential wall of the locking sleeve (3); when locking, the unlocking convex ring (31) is abutted against the limiting portion (30) by the locking rod (13); when unlocking, the unlocking convex ring (31) is pressed against the locking rod (13) to the right, and the locking rod (13) is driven away from the locking bevel groove (11).

2. The universal quick-change connector structure according to claim 1, characterized in that: The elastic return assembly (5) comprises a return spring (51) and an annular spring seat (52); the return spring (51) and the annular spring seat (52) are respectively sleeved on the stage (10), one end of the return spring (51) abuts against the step surface (101) of the stage (10), the other end of the return spring (51) abuts against one side of the annular spring seat (52), the other side of the annular spring seat (52) abuts against the locking rod (13), and the locking rod (13) abuts against the locking inclined groove (11).

3. The universal quick-change connector structure according to claim 1, characterized in that: The limiting portion (30) is a retaining spring, and an annular retaining groove (102) is circumferentially arranged on the stage (10); the retaining spring is sleeved on the annular retaining groove (102); when locking, the left side of the unlocking convex ring (31) abuts against the right side of the retaining spring.

4. The universal quick-change connector structure according to claim 1, characterized in that: It also includes a male connector (2); the left part of the female connector (1) and the right part of the male connector (2) are plugged into each other; an annular boss (21) is circumferentially arranged on the outer peripheral wall of the right part of the male connector (2); the annular boss (21) is used to push the locking rod (13) when the female connector (1) is inserted; a locking ring groove (22) is circumferentially arranged on the outer peripheral wall of the right part of the male connector (2) and located on the left side of the annular boss (21), and the locking ring groove (22) is radially recessed inward; when locked, the middle part of the locking rod (13) extends into the locking ring groove (22).

5. The universal quick-change connector structure according to claim 4, characterized in that: A locking push inclined surface (211) cooperating with the locking rod (13) is provided on the right outer peripheral wall of the annular boss (21) along the circumferential direction; the locking push inclined surface (211) is inclined from left to right from outside to inside.

6. The universal quick-change connector structure according to claim 5, characterized in that: An unlocking push-up inclined surface (212) cooperating with the locking rod (13) is arranged on the left outer peripheral wall of the annular boss (21) along the circumferential direction; the unlocking push-up inclined surface (212) is inclined from right to left from outside to inside.

7. The universal quick-change connector structure according to claim 4, characterized in that: A male connector valve core assembly (23) is elastically connected inside the male connector (2); a female connector valve core assembly (14) is elastically connected inside the female connector (1); when connected, the male connector valve core assembly (23) abuts against the female connector valve core assembly (14), thereby achieving communication between the male connector (2) and the female connector (1).

8. The universal quick-change connector structure according to claim 1, characterized in that: The number of the locking bevel grooves (11) is two, and the two locking bevel grooves (11) are symmetrically arranged on both sides of the female connector (1).

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