Novel quick connector structure

Abstract

The utility model discloses a novel quick connector structure, which relates to the field of quick connectors, and is characterized in that the novel quick connector structure comprises a quick male connector and a quick female connector, the quick male connector is provided with a first cavity, a sealing ring is arranged in the first cavity, an abutting block is arranged in the quick male connector, and the quick female connector is provided with a pressing block. A first annular limiting groove is formed in the side wall of the pressing block, a plurality of limiting balls are annularly arrayed on the quick-connection male head and correspond to the first annular limiting groove, a first elastic piece pushing the abutting block to slide towards the limiting balls is arranged in the quick-connection female head, and a limiting ring is arranged on one side of the quick-connection female head in a sliding mode. According to the utility model, the mounting sleeve is mounted on the quick-connection male head in a threaded manner, the mounting sleeve can limit the abutting block, and meanwhile, the quick-connection female head can limit the pressing block after being inserted, so that the second cavity of the quick-connection female head can be directly communicated with the first cavity of the quick-connection male head; and the sealing ring is used for sealing the joint of the quick-connection female head and the quick-connection male head.

Description

Technical Field

[0001] The utility model relates to the field of quick connectors, and more specifically, to a novel quick connector structure. Background Art

[0002] A quick connector is a connector that can connect or disconnect pipes without tools. During the high-pressure gas filling process, it is necessary to ensure that there is no leakage and to ensure uniform and stable filling to avoid accidents caused by excessive gas pressure and cause harm to operators. However, when using existing quick connectors, the quick connector male head and the quick connector female head are generally connected through multi-stage sealing, which leads to the loosening of the multi-stage sealing after the quick connector has been used for a long time, causing the quick connector to leak, and then resulting in poor sealing effect of the quick connector.

[0003] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a new quick connector structure, in which a mounting sleeve is threadedly installed on the quick connector male head, the mounting sleeve can limit the abutment block, and at the same time, after the quick connector female head is inserted, the pressure block can be limited, so that the second cavity of the quick connector female head can be directly connected to the first cavity of the quick connector male head, and the sealing ring seals the connection between the quick connector female head and the quick connector male head.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a novel quick connector structure, including a quick-connect male head and a quick-connect female head, the quick-connect male head is provided with a first cavity, a sealing ring is arranged in the first cavity, an abutment block that fits the sealing ring is arranged in the quick-connect male head, the quick-connect female head is provided with a pressure block inserted into the first cavity, a second cavity that penetrates the pressure block is arranged on the quick-connect female head, a first annular limiting groove is arranged on the side wall of the pressure block, a plurality of limiting balls are arranged in an annular array on the quick-connect male head, the limiting balls correspond to the first annular limiting groove, a first elastic member that pushes the abutment block to slide toward the limiting ball is arranged in the quick-connect female head, a limiting ring is slidingly arranged on one side of the quick-connect female head, and the limiting ring is arranged corresponding to the limiting ball.

[0006] The utility model is further configured as follows: the annular array of the limiting ring has a plurality of L-shaped limiting plates, a plurality of the limiting plates are provided with annular grooves, the side walls of the annular grooves are provided with chamfers, a second elastic member is provided on the quick-connect male head, and the second elastic member has elastic potential energy for pushing the limiting plate to slide so that the annular groove is away from the limiting ball.

[0007] The utility model is further configured as follows: a second annular limiting groove corresponding to the limiting ball is opened on one side of the abutting block, and a groove communicating with the second annular limiting groove is also formed on the abutting block.

[0008] The utility model is further configured as follows: a mounting sleeve is threadedly connected to the quick-connect male head, a base is provided on the mounting sleeve, a plurality of through grooves are provided in an annular array on the base, a plurality of the through grooves are respectively provided in one-to-one correspondence with a plurality of limiting plates, a plurality of spherical limiting grooves are provided in an annular array on the mounting sleeve, a plurality of the limiting balls are respectively arranged in the plurality of spherical limiting grooves, and a diameter of the limiting balls is smaller than a diameter of the ball center limiting groove.

[0009] The utility model is further configured as follows: abutment surfaces are arranged on a plurality of the limit plates, and one end of the limit plate away from the abutment surface is in contact with the second elastic member.

[0010] In summary, the utility model has the following beneficial effects:

[0011] When the quick-connect male head and the quick-connect female head need to be connected together, the staff pushes the limiting ring to make the limiting plate that fits the limiting ring and the limiting ball slide, and the annular groove on the limiting plate corresponds to the limiting ball. Then the pressing block of the quick-connect female head is inserted into the first cavity, and the pressing block squeezes the abutment block to slide, so that the abutment block moves away from the sealing ring, and the side wall of the pressing block fits the sealing ring. Then the limiting ring is loosened, so that the second elastic member pushes the limiting ring to slide, so that the limiting plate squeezes the limiting ball to contact the pressing block, until the limiting ball is set in the second annular limiting groove. , thereby achieving the direct connection between the quick-connect female head and the quick-connect male head through the sealing ring; when the joint needs to be disassembled, the limiting ring is pushed to loosen the limiting ball, the quick-connect female head is pulled out, and the limiting ring is loosened at the same time, so that the second elastic member pushes the limiting ring to slide, and the first elastic member pushes the abutment block to slide until the abutment block contacts the limiting ball, so that the limiting ball limits the abutment block, thereby achieving the disassembly effect, so that the quick-connect female head and the quick-connect male head can be directly connected, and the quick-connect female head and the quick-connect male head are sealed by the sealing member. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the quick-connect female connector of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the quick-connect male connector of the utility model;

[0016] Figure 5 It is an exploded view of the quick-connect male connector of the utility model.

[0017] In the figure: 1, quick-connect male connector; 2, quick-connect female connector; 3, first cavity; 4, sealing ring; 5, abutment block; 6, pressure block; 7, second cavity; 8, first annular limiting groove; 9, limiting ball; 10, first elastic member; 11, limiting ring; 12, limiting plate; 13, annular groove; 14, second elastic member; 15, second annular limiting groove; 16, groove; 17, mounting sleeve; 18, base; 19, through groove; 20, spherical limiting groove; 21, abutment surface. DETAILED DESCRIPTION

[0018] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] A new type of quick connector structure, such as Figures 1 to 5 As shown, it includes a quick-connect male head 1, a quick-connect female head 2, an abutment block 5, a mounting sleeve 17, a limiting ring 11, a first elastic member 10, a second elastic member 14 and a sealing ring 4.

[0020] refer to Figures 1 to 5 As shown: a female thread is provided on the quick-connect male head 1, a male thread corresponding to the female thread is provided on the installation sleeve 17, a base 18 is integrally formed on the installation sleeve 17, a plurality of through grooves 19 are provided in an annular manner on the base 18, an L-shaped limiting plate 12 corresponding to the plurality of through grooves 19 is integrally formed on the limiting ring 11, an annular groove 13 is provided on the plurality of limiting plates 12, a chamfer is provided on the side wall of the annular groove 13, a plurality of spherical limiting grooves 20 are provided in an annular array on the installation sleeve 17, a limiting ball 9 smaller than the diameter is provided in the plurality of spherical limiting grooves 20, a second elastic member 14 is provided in the installation sleeve 17, the second elastic member 14 is fitted with the limiting plate 12, and the second elastic member 14 is used to push the limiting ring 11 away from the quick-connect. The elastic potential energy of the male head 1, the quick-connect male head 1 is provided with a first cavity 3, the sealing ring 4 is clamped on the side wall of the first cavity 3, the abutment block 5 is slidably set in the first cavity 3 and is fitted with the sealing ring 4, the first elastic member 10 is set in the first cavity 3 to push the abutment block 5 to slide toward the limiting ball 9, one end of the quick-connect female head 2 is integrally formed with a pressure block 6, the quick-connect female head 2 is provided with a second cavity 7 that penetrates the pressure block 6, the pressure block 6 and the outer peripheral wall correspond to the side wall of the first cavity 3, one end of the abutment block 5 is provided with a second annular limiting groove 15 corresponding to the limiting ball 9, one end of the abutment block 5 is provided with a groove 16 connected to the first annular limiting groove 8, and the side wall of the pressure block 6 is provided with a first annular limiting groove 15 corresponding to the limiting ball 9.

[0021] In the above embodiment, by arranging the mounting sleeve 17 on the quick-connect male head 1, the limiting ball 9 on the mounting sleeve 17 can correspond to the first annular limiting groove 8 and the second annular limiting groove 15, so that the limiting ball 9 can limit the abutment block 5 from being away from the quick-connect male head 1. At the same time, when the pressure block 6 of the quick-connect female head 2 is inserted into the first cavity 3, the limiting ball 9 can be clamped in the second annular limiting groove 15 to limit the pressure block 6. The quick-connect male head 1 can be connected with the second cavity 7 of the pressure block 6 through the groove 16 of the abutment block 5, and the side wall of the pressure block 6 fits with the sealing ring 4, so that the quick-connect female head 2 can be directly connected with the quick-connect male head 1 and sealed by a sealing ring 4, thereby reducing the connection points of the joints and achieving a better sealing effect.

[0022] Working principle:

[0023] When it is necessary to connect the quick-connect male head 1 and the quick-connect female head 2 together, the staff pushes the limiting ring 11 to make the limiting plate 12 that fits the limiting ring 11 and the limiting ball 9 slide, and the annular groove 13 on the limiting plate 12 corresponds to the limiting ball 9, and then the pressing block 6 of the quick-connect female head 2 is inserted into the first cavity 3, and the pressing block 6 squeezes the abutment block 5 to slide, so that the abutment block 5 is away from the sealing ring 4, and the side wall of the pressing block 6 fits the sealing ring 4, and then the limiting ring 11 is loosened, so that the second elastic member 14 pushes the limiting ring 11 to slide, so that the limiting plate 12 squeezes the limiting ball 9 and contacts the pressing block 6 until the limiting ball 9 is set on the first ring shaped limiting groove 8, thereby achieving direct connection between the quick-connect female head 2 and the quick-connect male head 1 through the sealing ring 4; when the joint needs to be disassembled, the limiting ring 11 is pushed to loosen the limiting ball 9, and the quick-connect female head 2 is pulled out, and the limiting ring 11 is loosened at the same time, so that the second elastic member 14 pushes the limiting ring 11 to slide, and at the same time the first elastic member 10 pushes the abutment block 5 to slide until the abutment block 5 contacts the limiting ball 9, so that the limiting ball 9 limits the abutment block 5, thereby achieving the disassembly effect, so that the quick-connect female head 2 and the quick-connect male head 1 can be directly connected, and the quick-connect female head 2 and the quick-connect male head 1 are sealed by the sealing member.

[0024] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A new type of quick connector structure, characterized by: The invention comprises a quick-connect male head (1) and a quick-connect female head (2), wherein the quick-connect male head (1) is provided with a first cavity (3), a sealing ring (4) is arranged in the first cavity (3), an abutment block (5) which is fitted with the sealing ring (4) is arranged in the quick-connect male head (1), a pressure block (6) which is inserted into the first cavity (3), a second cavity (7) which penetrates the pressure block (6) is arranged on the quick-connect female head (2), a first annular limiting groove (8) is arranged on the side wall of the pressure block (6), a plurality of limiting balls (9) are arranged in an annular array on the quick-connect male head (1), the limiting balls (9) correspond to the first annular limiting groove (8), a first elastic member (10) which pushes the abutment block (5) to slide towards the limiting ball (9) is arranged in the quick-connect female head (2), a limiting ring (11) is slidably arranged on one side of the quick-connect female head (2), and the limiting ring (11) is arranged corresponding to the limiting ball (9).

2. The novel quick connector structure according to claim 1 is characterized in that: The limiting ring (11) has a plurality of L-shaped limiting plates (12) in an annular array, and a plurality of the limiting plates (12) are each provided with an annular groove (13), and a chamfer is provided on a side wall of the annular groove (13). The quick-connect male head (1) is provided with a second elastic member (14), and the second elastic member (14) has elastic potential energy for pushing the limiting plate (12) to slide so that the annular groove (13) is away from the limiting ball (9).

3. The novel quick connector structure according to claim 2 is characterized in that: A second annular limiting groove (15) corresponding to the limiting ball (9) is formed on one side of the abutment block (5), and a groove (16) communicating with the second annular limiting groove (15) is also formed on the abutment block (5).

4. The novel quick connector structure according to claim 3 is characterized in that: The quick-connect male head (1) is threadedly connected with a mounting sleeve (17), the mounting sleeve (17) is provided with a base (18), the base (18) has a plurality of through grooves (19) in an annular array, the plurality of through grooves (19) are respectively arranged in one-to-one correspondence with the plurality of limiting plates (12), the mounting sleeve (17) has a plurality of spherical limiting grooves (20) in an annular array, the plurality of limiting balls (9) are respectively arranged in the plurality of spherical limiting grooves (20), and the diameter of the limiting balls (9) is smaller than the diameter of the spherical center limiting groove.

5. The novel quick connector structure according to claim 4 is characterized in that: Abutment surfaces (21) are provided on a plurality of the limiting plates (12), and one end of the limiting plate (12) away from the abutment surface (21) is in contact with the second elastic member (14).

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