CN210404186U

CN210404186U - 2M bayonet joint

Info

Publication number: CN210404186U
Application number: CN201921868265.8U
Authority: CN
Inventors: 周启智; 王小蓓; 陈鹏; 谢兵
Original assignee: Huanglongtan Hydroelectric Power Plant Of State Grid Hubei Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Huanglongtan Hydroelectric Power Plant Of State Grid Hubei Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-04-24
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to a connector technical field, and a 2M bayonet socket connects is disclosed, the installation structure comprises a sleeve, sliding connection has the connecting pipe in the sleeve pipe, two fixture blocks of symmetry fixedly connected with on the pipe wall of connecting pipe, two draw-in grooves have been seted up along the symmetry in the sheathed tube lower extreme opening part, two draw-in grooves are carried on the back one side mutually and have all been seted up flutedly, and one side of recess has seted up the spacing groove, the fixture block is located the spacing inslot, the first rubber circle of upper end mouth of pipe border department fixedly connected with of connecting pipe, sheathed tube inner wall fixedly connected with fixed block, through round hole fixedly connected with contact pin on the fixed block, the upper end of first rubber circle and the lower extreme fixed. The utility model discloses, effectively improved the steadiness between installation back 2M line and the connector, the 2M line is difficult and connect when receiving external force and dragging and drops, and connector and 2M line junction have the waterproof nature of preferred moreover for the joint is difficult by the oxidation.

Description

2M bayonet joint

Technical Field

The utility model relates to a connector technical field especially relates to a 2M bayonet socket connects.

Background

2M, i.e., 2Mbps, SYV-type radio frequency coaxial cable is commonly called 2M line in the communications industry. Coaxial cables are divided into baseband coaxial cables and broadband coaxial cables (i.e., network coaxial cables and video coaxial cables) in terms of usage. Coaxial cables are classified into 50 Ω baseband cables and 75 Ω broadband cables. The baseband cable is divided into a thin coaxial cable and a thick coaxial cable. The baseband Cable is only used for digital transmission, the data rate can reach 10Mbps, and the Coaxial Cable (Coaxial Cable) is a Cable which is provided with two concentric conductors, and the conductor and the shielding layer share the same axis. Most common coaxial cables consist of copper conductors separated by an insulating material, outside of which is another layer of annular conductor and its insulation, and then the whole cable is surrounded by a sheath of polyvinyl chloride or teflon material, called 2M wire.

Among the prior art, a joint design for connecting 2M line is comparatively simple, uses the bolt directly to screw up although can be convenient for install, but the steadiness between installation back 2M line and the connector is relatively poor, and 2M line drops with the joint easily when receiving external force and dragging, causes the cable trouble, and it is relatively poor to be connected some waterproof nature moreover for joint department is easily by the oxidation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the steadiness between installation back 2M line and the connector is relatively poor, receive external force when dragging 2M line drop with connecting easily, cause the cable trouble, the waterproof nature of connector is relatively poor moreover for joint department is easily by the problem of oxidation, and the 2M bayonet joint that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a 2M bayonet socket connects, includes the sleeve pipe, intraductal sliding connection has the connecting pipe in the sleeve pipe, two fixture blocks of symmetry fixedly connected with on the pipe wall of connecting pipe, two draw-in grooves have been seted up along the symmetry in the sheathed tube lower extreme opening part, two the draw-in groove one side mutually the back of the body all seted up flutedly, and one side of recess has seted up the spacing groove, the fixture block is located the spacing inslot, the first rubber circle of fixedly connected with of upper end mouth of pipe border department of connecting pipe, sheathed tube inner wall fixedly connected with fixed block, through round hole fixedly connected with contact pin on the fixed block, the upper end of first rubber circle and the lower extreme fixed connection of fixed block, the lower extreme mouth of pipe department stamping forming of connecting pipe has the thin mouthful section.

Preferably, the pipe wall of the connecting pipe is sleeved with a sleeve, the inner wall of the sleeve is provided with an internal thread, the outer wall of the connecting pipe is provided with a first external thread, the internal thread is in threaded connection with the first external thread, an annular block is fixedly connected to the inner edge of the opening at the lower end of the sleeve and is in contact connection with the thin opening section, and an annular rubber block is fixedly connected to the position, corresponding to the thin opening section, of the inner wall of the connecting pipe.

Preferably, the opening edge of the upper end of the sleeve is fixedly connected with a second rubber ring, and the upper end of the second rubber ring is in contact connection with the edge of the lower-end pipe orifice of the sleeve.

Preferably, a strip-shaped groove is formed in the side wall of the contact pin, and a plurality of uniformly distributed through grooves are formed in two opposite sides of the strip-shaped groove.

Preferably, the pipe wall of the sleeve is provided with a first external thread.

Preferably, the material of the connecting pipe is polypropylene.

Compared with the prior art, the utility model provides a 2M bayonet socket connects possesses following beneficial effect:

1. this 2M bayonet joint, through setting up the fixture block on the connecting pipe on the recess, inject the fixture block in the draw-in groove, and press the first rubber circle of connecting pipe extrusion, the rotating connecting pipe makes the fixture block remove to the recess in simultaneously, remove to the recess in back release connecting pipe, the elasticity of first rubber circle promotes the connecting pipe and makes the fixture block remove to the spacing inslot, and then make connecting pipe and sleeve pipe stable connection, thereby can quick joint connect, convenient to use workman uses, twist the sleeve with the spanner, the annular piece removes when sleeve and first internal thread interact, the annular piece removes extrusion thin mouthful section shrink and extrudees fixedly to the 2M line, the thin mouthful section shrink is followed to the annular rubber piece simultaneously, the insulating layer of extrusion 2M line seals, effectual stability and waterproof performance when having improved the connection, make the sinle silk of 2M line be difficult for by the oxidation.

2. This 2M bayonet joint, be convenient for through the second external screw thread that sets up on the sleeve pipe with the 2M articulate on the digital equipment rack, penetrate the 2M line in the connecting tube from the thin mouthful section during connection, place the sinle silk of 2M line in the bar recess and use the tin soldering to weld, the logical groove that sets up on the contact pin can effectual increase the fastness between welding back contact pin and the 2M line, when screwing up the sleeve, sleeve extrusion second rubber circle warp, make and have good leakproofness between sleeve pipe and the sleeve.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, effectively improved the steadiness between installation back 2M line and the connector, the 2M line is difficult and connect when receiving external force and dragging and drops, and connector and 2M line junction have the waterproof nature of preferred moreover for the joint is difficult by the oxidation.

Drawings

Fig. 1 is a schematic structural view of a 2M bayonet joint provided by the present invention.

Fig. 2 is a right side sectional view (enlarged view) of a sleeve in a 2M bayonet joint according to the present invention.

Fig. 3 is a top view (enlarged view) of the sleeve and the connecting pipe in the 2M bayonet joint according to the present invention.

In the figure: the novel rubber pin comprises a sleeve 1, a pin 2, a fixing block 3, a first rubber ring 4, a clamping block 5, a second rubber ring 6, a sleeve 7, a connecting pipe 8, a thin opening section 9, an annular block 10, a strip-shaped groove 11, a clamping groove 12, a groove 13, a limiting groove 14 and an annular rubber block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a 2M bayonet joint comprises a sleeve 1, a connecting pipe 8 is slidably connected in the sleeve 1, two clamping blocks 5 are symmetrically and fixedly connected to the pipe wall of the connecting pipe 8, two clamping grooves 12 are symmetrically formed in the opening of the lower end of the sleeve 1, grooves 13 are formed in opposite sides of the two clamping grooves 12, the grooves 13 are oppositely arranged according to the rotating direction, a limiting groove 14 is formed in one side of each groove 13, the clamping blocks 5 are positioned in the limiting grooves 14, a first rubber ring 4 is fixedly connected to the edge of an upper end pipe orifice of the connecting pipe 8, a fixing block 3 is fixedly connected to the inner wall of the sleeve 1, a contact pin 2 is fixedly connected to the fixing block 3 through a round hole, the upper end of the first rubber ring 4 is fixedly connected to the lower end of the fixing block 3, a thin opening section 9 is formed at the lower end pipe orifice of the, the strip-shaped gap enables the thin opening section 9 to have enough contraction space to contract and clamp a 2M line tightly, the connecting pipe 8 is made of polypropylene, the sleeve 7 is sleeved on the pipe wall of the connecting pipe 8, an inner thread is arranged on the inner wall of the sleeve 7, a first outer thread is arranged on the outer wall of the connecting pipe 8, the inner thread is in threaded connection with the first outer thread, an annular block 10 is fixedly connected to the inner edge of the opening at the lower end of the sleeve 7, the annular block 10 is in contact connection with the thin opening section 9, an annular rubber block 15 is fixedly connected to the position, corresponding to the thin opening section 9, of the inner wall of the connecting pipe 8, a second rubber ring 6 is fixedly connected to the opening edge at the upper end of the sleeve 7, the upper end of the second rubber ring 6 is in contact connection with the opening edge at the lower end of the sleeve 1, the sealing performance between the sleeve 1 and the sleeve 7 can be improved, a strip, can be so that can with the firm connection of contact pin 2 during welding 2M line, seted up first external screw thread on the pipe wall of sleeve pipe 1, be convenient for with the 2M articulate on the digital distribution cabinet.

In the utility model, when in use, the second external thread on the sleeve 1 is connected with the 2M joint on the digital matching machine cabinet, when in connection, the 2M wire penetrates into the connecting pipe 8 from the thin opening section 9, the wire core of the 2M wire is placed in the strip-shaped groove 11 and is welded by tin soldering, when the sleeve 7 is screwed down, the sleeve 7 extrudes the second rubber ring 6 to deform, so that the sleeve 1 and the sleeve 7 have good sealing performance, the fixture block 5 is inserted into the clamping groove 12, the connecting pipe 8 is pressed to extrude the first rubber ring 4, simultaneously the connecting pipe 8 is rotated to move the fixture block 5 into the groove 13, the connecting pipe 8 is loosened after moving into the groove 13, the elastic force of the first rubber ring 4 pushes the connecting pipe 8 to move the fixture block 5 into the limiting groove 14, further, the connecting pipe 8 is stably connected with the sleeve 1, the sleeve 7 is screwed by a wrench, the annular block 10 moves when the sleeve 7 interacts with the first internal thread, the annular block 10 removes the shrink of extrusion thin mouthful of section 9 and extrudees fixedly to the 2M line, and annular rubber piece 15 follows the shrink of thin mouthful of section 9 simultaneously, and the insulating layer of extrusion 2M line seals, and stability and waterproof performance when effectual improvement is connected for the sinle silk of 2M line is difficult for being oxidized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A2M bayonet joint comprises a sleeve (1) and is characterized in that a connecting pipe (8) is connected in the sleeve (1) in a sliding manner, two clamping blocks (5) are symmetrically and fixedly connected to the pipe wall of the connecting pipe (8), two clamping grooves (12) are symmetrically formed in the opening of the lower end of the sleeve (1), a groove (13) is formed in each of two opposite sides of the clamping grooves (12), a limiting groove (14) is formed in one side of the groove (13), the clamping blocks (5) are located in the limiting grooves (14), a first rubber ring (4) is fixedly connected to the edge of an upper end pipe orifice of the connecting pipe (8), a fixing block (3) is fixedly connected to the inner wall of the sleeve (1), a contact pin (2) is fixedly connected to the fixing block (3) through a round hole, and the upper end of the first rubber ring (4) is fixedly connected to the lower end of the, the lower extreme mouth of pipe department stamping forming of connecting pipe (8) has thin mouthful of section (9), set up a plurality of evenly distributed's bar breach on thin mouthful of section (9).

2. The 2M bayonet joint according to claim 1, wherein a sleeve (7) is sleeved on a pipe wall of the connecting pipe (8), an inner thread is formed on an inner wall of the sleeve (7), a first outer thread is formed on an outer wall of the connecting pipe (8), the inner thread is in threaded connection with the first outer thread, an annular block (10) is fixedly connected to an inner edge of an opening at the lower end of the sleeve (7), the annular block (10) is in contact connection with the thin opening section (9), and an annular rubber block (15) is fixedly connected to a position, corresponding to the thin opening section (9), of the inner wall of the connecting pipe (8).

3. A 2M bayonet coupling according to claim 2, wherein a second rubber ring (6) is fixedly connected to the upper opening edge of the sleeve (7), and the upper end of the second rubber ring (6) is in contact connection with the lower nozzle edge of the sleeve (1).

4. A 2M bayonet coupling as claimed in claim 1, wherein the side wall of the pin (2) is formed with a strip-shaped groove (11), and both opposite sides of the strip-shaped groove (11) are formed with a plurality of through grooves distributed uniformly.

5. A 2M bayonet coupling according to claim 1, wherein the wall of the sleeve (1) is provided with a first external thread.

6. A 2M bayonet coupling according to claim 1, wherein the connecting tube (8) is of polypropylene.