Push-pull self-locking structure of connector male end

Abstract

The utility model discloses a push-pull self-locking structure of a connector male end, the connector male end is also provided with a rear copper pipe, a pull ring and an elastic snap ring outside a housing, the end portion of a rear copper pipe sleeve is sleeved on the periphery of the housing in a matching manner, and the pull ring is sleeved on the periphery of the housing and the elastic snap ring. One end of the elastic clamping ring extends to the outer side of the pull ring, and a plurality of clamping protrusions matched with the female end are formed on the elastic clamping ring. According to the utility model, the elastic snap ring and the pull ring are sleeved outside the housing of the connector male end, the elastic snap ring extends to the end portion of the outer side of the pull ring to form the plurality of elastic arms, and the end portion of each elastic arm is provided with the clamping projection which can be matched with the connector female end. When in use, the pull ring is pressed to move along the axial direction, so that the male end can be clamped or separated from the female end of the connector while being inserted or pulled out, locking during insertion and unlocking during pulling out are realized, the structure is simple, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, especially relates to the push and pull self -locking structure of connector male end. BACKGROUND

[0002] The conventional industrial connector generally realizes the physical connection between the connectors through the thread locking and ensures the dustproof and waterproof function in the connecting state. The connector with the structure needs to lock the male and female threads after the male and female ends are inserted, and some need to use tools such as spanners to ensure the fastening and protection function. Before disassembling, the male and female threads need to be unlocked and then pulled out, so that the operation is complicated and time-consuming. UTILITY MODEL CONTENTS

[0003] In view of the above problems in the prior art, the utility model provides the push and pull self -locking structure of connector male end, and the male end can be clamped or separated from the female end of the connector while being inserted or pulled out by pressing and moving the pull ring along the axial direction in use, so that the male end is locked or unlocked when being inserted or pulled out, and the structure is simple and the operation is convenient.

[0004] To solve the above technical problems, the utility model adopts a technical scheme as follows:

[0005] The push and pull self -locking structure of connector male end, the connector male end includes the shell, the rubber core and the male needle matched and sleeved from outside to inside, one end of the male needle is connected with the cable, the cable is sleeved with the outer mode, the outer mode is fixedly connected with the shell, and the shell can be matched and sleeved on the inner side of the inner wall of the female end of the connector, and the rear copper pipe, the pull ring and the elastic clamping ring are further included.

[0006] The rear copper pipe is sleeved on the periphery of the cable and embedded on the inner wall of the outer mode, one end of the rear copper pipe extends to the axial outer side of the outer mode and is matched and sleeved on the periphery of the shell.

[0007] The pull ring is sleeved on the periphery of the shell, and one end of the pull ring extends to the periphery of the rear copper pipe.

[0008] The elastic clamping ring is embedded on the inner wall of the pull ring and sleeved on the periphery of the shell, one end of the elastic clamping ring extends to the axial outer side of the pull ring and is arranged on the radial outer side of the side wall of the shell, and a plurality of clamping protrusions matched with the inner wall of the female end of the connector are formed on the end wall of the elastic clamping ring.

[0009] As a further elaboration of the above technical scheme:

[0010] In the above technical scheme, the inner wall of the rear copper pipe is provided with a side limiting protrusion matched with the end of the shell.

[0011] In the technical scheme, the elastic clamping ring comprises a positioning end and a clamping end arranged along the axial direction; the outer wall of the positioning end is provided with a first clamping groove, and the inner wall is provided with a first protrusion; the clamping end is formed with a plurality of elastic arms arranged along the circumferential direction and extending along the axial direction; one end of each of the elastic arms extends to the outer side of the axial direction of the pull ring, and a clamping protrusion is formed on each of the elastic arms.

[0012] In the technical scheme, the inner wall of the pull ring is formed with a second protrusion matched with the first clamping groove.

[0013] In the technical scheme, the outer wall of the shell is sequentially formed with a third protrusion, a fourth protrusion and a fifth protrusion along the axial direction; one end of the third protrusion is arranged on the outer side of the axial direction of the rear copper pipe end, and the other end is matched and abuts against the end of the first protrusion facing the rear copper pipe; the fourth protrusion is arranged on the outer side of the axial direction of the other end of the first protrusion; and the fifth protrusion is arranged on the outer side of the axial direction of the elastic clamping ring.

[0014] In the technical scheme, a shoulder is further formed between the fifth protrusion and the end of the shell facing the female end of the connector, and the shoulder and / or the end of the shell can press the female end sealing ring against the inner wall of the female end of the connector.

[0015] In the technical scheme, the pull ring and the elastic clamping ring are integrally formed.

[0016] In the technical scheme, the outer wall of the pull ring is further formed with a plurality of anti-skid protrusions arranged along the axial direction.

[0017] Compared with the prior art, the beneficial effects of the utility model lie in that the elastic clamping ring and the pull ring are arranged on the outer sleeve of the male end of the connector, a plurality of elastic arms are formed on the end of the elastic clamping ring extending to the outer side of the pull ring, and a clamping protrusion matched with the female end of the connector is arranged on the end of each of the elastic arms; in use, the pull ring is pressed and moved along the axial direction to clamp or separate the male end from the female end of the connector when the male end is inserted or pulled out, so that the male end is locked or unlocked when inserted or pulled out, and the structure is simple and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of example one;

[0019] Figure 2 is an exploded structural schematic diagram of example one

[0020] Figure 3 is a sectional structural schematic diagram of example one;

[0021] Figure 4 is a matching structural schematic diagram of example one and the female end of the connector;

[0022] Figure 5is a schematic diagram of the exploded structure of example two.

[0023] In the figure: 10, shell; 11, third protrusion; 12, fourth protrusion; 13, fifth protrusion; 14, shoulder; 20, rubber core; 30, male needle; 40, outer mold; 50, rear copper pipe; 51, limiting protrusion; 60, pull ring; 61, second protrusion; 62, anti-skid protrusion; 70, elastic clamping ring; 71, clamping protrusion; 72, positioning end; 73, clamping end; 74, first clamping groove; 75, first protrusion; 76, elastic arm; 80, connector female end; 81, female end sealing ring. DETAILED DESCRIPTION

[0024] The utility model will be made further detailed description in combination with the drawings.

[0025] The embodiments described with reference to the drawings are exemplary and are intended to be used for explaining the present application and cannot be understood as a limitation of the present application. In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings and are only for the convenience of describing the present application and simplifying the description and cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature with respect to the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the "upper", "above" and "on" of the first feature with respect to the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "under" of the first feature with respect to the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0026] As Figures 1-2 shown, the push-pull self-locking structure of the connector male end includes an outer shell 10, a glue core 20 and a male needle 30 matched and fitted from the outside to the inside, one end of the male needle 30 is connected with a cable, the cable is sleeved with an outer mold 40, the outer mold 40 is fixedly connected with the outer shell 10, the outer shell 10 can be matched and fitted inside the inner wall of the connector female end; further comprising a rear copper pipe 50, a pull ring 60 and an elastic snap ring 70, wherein:

[0027] The rear copper tube 50 is sleeved on the outer periphery of the cable and embedded on the inner wall of the outer mold 40, and one end thereof extends to the axial outer side of the outer mold 40 and is matched and sleeved on the outer periphery of the shell 10;

[0028] The pull ring 60 is sleeved on the outer periphery of the shell 10, and one end thereof extends to the outer periphery of the rear copper tube 50;

[0029] The elastic snap ring 70 is embedded on the inner wall of the pull ring 60 and sleeved on the outer periphery of the shell 10, and one end thereof extends to the axial outer side of the pull ring 60 and is arranged on the radial outer side of the side wall of the shell 10, and a plurality of clamping protrusions 71 adapted to the inner wall of the female connector are formed on the end outer wall thereof.

[0030] As shown in Figures 2-3 , the inner wall of the rear copper tube 50 is provided with a side limiting protrusion 51 adapted to the end of the shell 10; the elastic snap ring 70 comprises a positioning end 72 and a clamping end 73 arranged in the axial direction: the outer wall of the positioning end 72 is provided with a first clamping groove 74, and the inner wall thereof is provided with a first protrusion 74; a plurality of elastic arms 76 arranged in the circumferential direction and extending in the axial direction are formed on the clamping end 73, one end of each elastic arm 76 extends to the axial outer side of the pull ring 60, and a clamping protrusion 71 is formed on the end thereof; and the inner wall of the pull ring 60 is formed with a second protrusion 61 adapted to the first clamping groove 74. In this embodiment, a plurality of anti-skid protrusions 62 arranged in the axial direction are also formed on the outer wall of the pull ring 60.

[0031] As shown in Figure 3 , the outer wall of the shell 10 is sequentially formed with a third protrusion 11, a fourth protrusion 12 and a fifth protrusion 13 in the axial direction: one end of the third protrusion 11 is arranged on the axial outer side of the end of the rear copper tube 50, and the other end thereof is matched and abuts against the end of the first protrusion 74 towards the rear copper tube 50; the fourth protrusion 12 is arranged on the axial outer side of the other end of the first protrusion 11; the fifth protrusion 13 is arranged on the axial outer side of the elastic snap ring 70; and a shoulder 14 is further formed between the fifth protrusion 13 and the end of the shell 10 towards the female connector 80, and the shoulder 14 and / or the end of the shell 10 can press the female end sealing ring 81 against the inner wall of the female connector 80.

[0032] It can be understood that the shoulder 14 on the end outer wall of the shell 10 and the end of the shell 10 can be matched with the sealing member in the female connector to ensure the sealing and waterproof effect of the connector.

[0033] Figure 4The utility model discloses a connector male end and female end locking structure, as shown in the assembly diagram of the connector female end, can see, in use handheld outer mode 40 or pull ring 60 push male into the connector female end 80, and the several clamping protrusions 71 of elastic snap ring 70 end portion are pressed and push several elastic arms 76 synchronous deformation and be clamped in female end inner wall, carry out the locking cooperation of male end and female end, if only pull wire or outer mode 40 or shell 10 in this state, pull ring 60 and the elastic snap ring 70 on it all will not be subjected to tension, therefore the connector keeps locking state and will not be separated, and when pulling, only need to pull pull ring 60 and pull out, can drive elastic snap ring 70 synchronous backward movement and make several clamping protrusions 71 separate female end, easily pull out shell 10 from the connector female end 80, realize and lock in inserting, and unlock in pulling out, convenient operation.

[0034] In the above embodiment, the pull ring 60 is a metal piece, and the elastic snap ring 70 is a metal piece or a plastic piece. In order to further simplify the assembly process, as shown in another embodiment of the utility model, the pull ring 60 and the elastic snap ring 70 are both plastic pieces and are integrally formed. Figure 5

[0035] The above is not any limitation on the technical range of the utility model, and any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.​

Claims

1. A push-pull self-locking structure of a male connector, the male connector comprising an outer shell, a rubber core and a male pin which are matched and sleeved from outside to inside, one end of the male pin being connected with a cable, the cable being sleeved with an outer mold, the outer mold being fixedly connected with the outer shell, the outer shell being capable of being matched and sleeved on the inner side of an inner wall of a female connector; characterized in that, It also comprises a rear copper tube, a pull ring and a elastic snap ring, wherein: The rear copper tube is sleeved on the outer periphery of the cable and embedded on the inner wall of the outer mold, and one end thereof extends to the axial outer side of the outer mold and is matched and sleeved on the outer periphery of the shell; The pull ring is sleeved on the outer periphery of the shell, and one end thereof extends to the outer periphery of the rear copper tube; The elastic snap ring is embedded on the inner wall of the pull ring and sleeved on the outer periphery of the shell, and one end thereof extends to the axial outer side of the pull ring and is arranged on the radial outer side of the side wall of the shell, and a plurality of clamping protrusions adapted to the inner wall of the female end of the connector are formed on the end outer wall thereof.

2. The push-pull self-locking structure of a male connector according to claim 1, wherein, The inner wall of the rear copper tube is provided with a side limiting protrusion adapted to the end of the shell.

3. The push-pull self-locking structure of a male connector according to claim 1, wherein, The elastic snap ring comprises a positioning end and a clamping end arranged in the axial direction: the outer wall of the positioning end is provided with a first clamping groove, and the inner wall thereof is provided with a first protrusion; a plurality of elastic arms arranged in the circumferential direction and extending in the axial direction are formed on the clamping end, and one end of each of the elastic arms extends to the axial outer side of the pull ring and is formed with a clamping protrusion thereon.

4. The push-pull self-locking structure of the connector male end according to claim 3, characterized in that, The inner wall of the pull ring is formed with a second protrusion adapted to the first clamping groove.

5. The push-pull self-locking structure of a male connector according to claim 3, wherein, The outer wall of the shell is sequentially formed with a third protrusion, a fourth protrusion and a fifth protrusion in the axial direction: one end of the third protrusion is arranged on the axial outer side of the end of the rear copper tube, and the other end thereof is matched and abuts against the end of the first protrusion towards the rear copper tube; the fourth protrusion is arranged on the axial outer side of the other end of the first protrusion; and the fifth protrusion is arranged on the axial outer side of the elastic snap ring.

6. The push-pull self-locking structure of a connector male end according to claim 5, wherein, A shoulder is further formed between the fifth protrusion and the end of the shell towards the female end of the connector, and the shoulder and / or the end of the shell can press the female end sealing ring against the inner wall of the female end of the connector.

7. The push-pull self-locking structure of a connector male end according to claim 1, wherein The pull ring and the elastic snap ring are integrally formed.

8. The push-pull self-locking structure of the male connector according to any one of claims 1-7, wherein, A plurality of anti-skid protrusions arranged in the axial direction are further formed on the outer wall of the pull ring.

Images